+++ /dev/null
-Only in ld/: CVS
-diff -rub ld/Makefile ld/Makefile
---- ld/Makefile Fri Sep 6 18:27:43 2002
-+++ ld/Makefile Sat Sep 6 20:17:46 2003
-@@ -9,10 +9,10 @@
- -DKERNEL -DKERNEL_PRIVATE -DAPPLE -DNeXT -DLIBSA_PRIVATE
-
-
--MIG = $(NEXT_ROOT)/usr/bin/mig
-+MIG = mig
-
- ifeq "macos" "$(RC_OS)"
-- X_CFLAGS := $(shell if [ "$(RC_RELEASE)" != "Beaker" ] && \
-+ X_CFLAGS := $(shell if [ `uname` != "Linux" ] && [ "$(RC_RELEASE)" != "Beaker" ] && \
- [ "$(RC_RELEASE)" != "Bunsen" ] && \
- [ "$(RC_RELEASE)" != "Gonzo" ] && \
- [ "$(RC_RELEASE)" != "Kodiak" ]; then \
-@@ -21,10 +21,19 @@
- endif
-
- ifneq "mwccppc" "$(notdir $(CC))"
-- GCC_FLAGS = -Wall -Wno-precomp $(X_CFLAGS)
-+ ifeq "Linux" "$(shell uname)"
-+ GCC_FLAGS = -Wall $(X_CFLAGS) -D__LITTLE_ENDIAN__ -U__BIG_ENDIAN__ -D__ppc__ -I/usr/include -I../../../macosx-include
-+ else
-+ GCC_FLAGS = -Wall $(X_CFLAGS)
-+ endif
- endif
-
--USE_DEPENDENCY_FILE := $(shell if [ "$(notdir $(CC))" != "mwccppc" ]; then \
-+# Hack: Add ../misc to the path because it contains seg_hack and ver_string
-+ifneq ($(findstring ../misc,$(PATH)),../misc)
-+ PATH:=../misc:../../misc:$(PATH)
-+endif
-+
-+USE_DEPENDENCY_FILE := $(shell if [ `uname` != "Linux" ] && [ "$(notdir $(CC))" != "mwccppc" ]; then \
- echo YES ; else echo NO ; \
- fi; )
-
-@@ -78,7 +87,7 @@
- fvmlibs.c layout.c specs.c pass2.c generic_reloc.c rld.c sets.c \
- 4byte_literals.c 8byte_literals.c literal_pointers.c dylibs.c \
- indirect_sections.c mod_sections.c i860_reloc.c ppc_reloc.c \
-- m88k_reloc.c hppa_reloc.c sparc_reloc.c coalesced_sections.c
-+ m88k_reloc.c hppa_reloc.c sparc_reloc.c coalesced_sections.c fake-mach.c
- OBJS = $(CFILES:.c=.o)
- INSTALL_FILES = $(CFILES) $(HFILES) Makefile notes \
- make.defs make_defs.h librld.ofileList
-@@ -107,12 +116,12 @@
- OFILE_DIR=. SRCROOT=.. RC_CFLAGS="$(RC_CFLAGS)" \
- LIBSTUFF="-L../../libstuff -lstuff" \
- VERS_STRING_FLAGS="$(VERS_STRING_FLAGS)" \
-- MAKEINCDIR=`pwd` COPTS="-DDEBUG" CC="$(CC)"; \
-+ MAKEINCDIR="`pwd`" COPTS="-DDEBUG" CC="$(CC)"; \
- else \
- cd $(OBJROOT)/ld_dir; $(MAKE) -f $(SRCROOT)/Makefile ld.NEW \
- VPATH=$(SRCROOT) OFILE_DIR=$(OBJROOT)/ld_dir \
- SYMROOT=$(SYMROOT)/ld_dir SRCROOT=$(SRCROOT) \
-- MAKEINCDIR=`pwd` COPTS="-DDEBUG" \
-+ MAKEINCDIR="`pwd`" COPTS="-DDEBUG" \
- LIBSTUFF="-L$(SYMROOT)/../libstuff -lstuff" \
- VERS_STRING_FLAGS="$(VERS_STRING_FLAGS)" \
- RC_CFLAGS="$(RC_CFLAGS)" CC="$(CC)"; \
-@@ -120,19 +129,19 @@
-
- ld_g_build: ld_g_dir
- cd ld_g_dir; $(MAKE) -f ../Makefile ld_g.NEW VPATH=.. OFILE_DIR=. \
-- SRCROOT=.. MAKEINCDIR=`pwd` COPTS="-DDEBUG" OFLAG="" \
-+ SRCROOT=.. MAKEINCDIR="`pwd`" COPTS="-DDEBUG" OFLAG="" \
- LIBSTUFF="-L../../libstuff -lstuff"
-
- ld_p_build: ld_p_dir
- cd ld_p_dir; $(MAKE) -f ../Makefile ld.NEW VPATH=.. OFILE_DIR=. \
-- SRCROOT=.. MAKEINCDIR=`pwd` COPTS="-pg -DDEBUG" \
-+ SRCROOT=.. MAKEINCDIR="`pwd`" COPTS="-pg -DDEBUG" \
- LIBSTUFF="-L../../libstuff -lstuff_p"
-
- shlib_ofiles: $(OBJROOT)/shlib_obj $(SYMROOT)/ld_dir
- @if [ $(SRCROOT) = . ]; \
- then \
- (cd shlib_obj; $(MAKE) -f ../Makefile librld.o VPATH=.. \
-- MAKEINCDIR=`pwd` OFILE_DIR=. SRCROOT=.. \
-+ MAKEINCDIR="`pwd`" OFILE_DIR=. SRCROOT=.. \
- COPTS="-static -DRLD -DSHLIB -I/LocalDeveloper/Headers/libsys" \
- LIBSTUFF="-L../../libstuff -lstuff_s" \
- VERS_STRING_FLAGS="$(VERS_STRING_FLAGS)" CC="$(CC)" \
-@@ -147,7 +156,7 @@
- COPTS="-static -DRLD -DSHLIB -I/LocalDeveloper/Headers/libsys" \
- LIBSTUFF="-L$(SYMROOT)/../libstuff -lstuff_s" \
- VERS_STRING_FLAGS="$(VERS_STRING_FLAGS)" \
-- MAKEINCDIR=`pwd` RC_ARCHS="$(RC_ARCHS)"); \
-+ MAKEINCDIR="`pwd`" RC_ARCHS="$(RC_ARCHS)"); \
- rm -f $(OBJROOT)/shlib_obj/librld.ofileList; \
- cp librld.ofileList $(OBJROOT)/shlib_obj; \
- fi
-@@ -156,7 +165,7 @@
- @if [ $(SRCROOT) = . ]; \
- then \
- (cd ptmp_obj; $(MAKE) -f ../Makefile librld_pg.a VPATH=.. \
-- MAKEINCDIR=`pwd` OFILE_DIR=. SRCROOT=.. \
-+ MAKEINCDIR="`pwd`" OFILE_DIR=. SRCROOT=.. \
- LIBSTUFF="-L../../libstuff -lstuff_p" \
- VERS_STRING_FLAGS="$(VERS_STRING_FLAGS)" CC="$(CC)" \
- RC_CFLAGS="$(RC_CFLAGS)" COPTS="-dynamic -DRLD -pg"); \
-@@ -173,7 +182,7 @@
- RC_CFLAGS="$(RC_CFLAGS)" CC="$(CC)" \
- LIBSTUFF="-L$(SYMROOT)/../libstuff -lstuff_p" \
- VERS_STRING_FLAGS="$(VERS_STRING_FLAGS)" \
-- MAKEINCDIR=`pwd` COPTS="-dynamic -DRLD -pg"); \
-+ MAKEINCDIR="`pwd`" COPTS="-dynamic -DRLD -pg"); \
- rm -f $(OBJROOT)/profile_obj/librld.o; \
- rm -f $(OBJROOT)/profile_obj/librld.ofileList; \
- cp $(OBJROOT)/ptmp_obj/librld.o $(OBJROOT)/profile_obj/librld.o; \
-@@ -186,7 +195,7 @@
- @if [ $(SRCROOT) = . ]; \
- then \
- (cd otmp_obj; $(MAKE) -f ../Makefile librld_static.a VPATH=.. \
-- MAKEINCDIR=`pwd` OFILE_DIR=. SRCROOT=.. \
-+ MAKEINCDIR="`pwd`" OFILE_DIR=. SRCROOT=.. \
- LIBSTUFF="-L../../libstuff -lstuff" CC="$(CC)" \
- VERS_STRING_FLAGS="$(VERS_STRING_FLAGS)" \
- RC_CFLAGS="$(RC_CFLAGS)" COPTS="-static -DRLD"); \
-@@ -204,7 +213,7 @@
- RC_CFLAGS="$(RC_CFLAGS)" CC="$(CC)" \
- LIBSTUFF="-L$(SYMROOT)/../libstuff -lstuff" \
- VERS_STRING_FLAGS="$(VERS_STRING_FLAGS)" \
-- MAKEINCDIR=`pwd` COPTS="-static -DRLD"); \
-+ MAKEINCDIR="`pwd`" COPTS="-static -DRLD"); \
- rm -f $(OBJROOT)/optimized_obj/librld.o; \
- rm -f $(OBJROOT)/optimized_obj/librld.ofileList; \
- cp $(OBJROOT)/otmp_obj/librld.o $(OBJROOT)/optimized_obj/librld.o;\
-@@ -217,7 +226,7 @@
- @if [ $(SRCROOT) = . ]; \
- then \
- (cd dtmp_obj; $(MAKE) -f ../Makefile librld.a VPATH=.. \
-- MAKEINCDIR=`pwd` OFILE_DIR=. SRCROOT=.. \
-+ MAKEINCDIR="`pwd`" OFILE_DIR=. SRCROOT=.. \
- LIBSTUFF="-L../../libstuff -lstuff" CC="$(CC)" \
- VERS_STRING_FLAGS="$(VERS_STRING_FLAGS)" \
- RC_CFLAGS="$(RC_CFLAGS)" COPTS="-dynamic -DRLD"); \
-@@ -232,7 +241,7 @@
- RC_CFLAGS="$(RC_CFLAGS)" CC="$(CC)" \
- LIBSTUFF="-L$(SYMROOT)/../libstuff -lstuff" \
- VERS_STRING_FLAGS="$(VERS_STRING_FLAGS)" \
-- MAKEINCDIR=`pwd` COPTS="-dynamic -DRLD"); \
-+ MAKEINCDIR="`pwd`" COPTS="-dynamic -DRLD"); \
- rm -f $(OBJROOT)/dynamic_obj/librld.o; \
- rm -f $(OBJROOT)/dynamic_obj/librld.ofileList; \
- cp $(OBJROOT)/dtmp_obj/librld.o $(OBJROOT)/dynamic_obj/librld.o;\
-@@ -243,7 +252,7 @@
- @if [ $(SRCROOT) = . ]; \
- then \
- cd sarld_dir; $(MAKE) -f ../Makefile libsarld.a VPATH=.. \
-- MAKEINCDIR=`pwd` OFILE_DIR=. SRCROOT=.. \
-+ MAKEINCDIR="`pwd`" OFILE_DIR=. SRCROOT=.. \
- COPTS="-static -DRLD -DSA_RLD" CC="$(CC)" \
- LIBSTUFF="-L../../libstuff -lstuff" \
- VERS_STRING_FLAGS="$(VERS_STRING_FLAGS)" \
-@@ -255,14 +264,14 @@
- COPTS="-static -DRLD -DSA_RLD" RC_CFLAGS="$(RC_CFLAGS)" \
- LIBSTUFF="-L$(SYMROOT)/../libstuff -lstuff" \
- VERS_STRING_FLAGS="$(VERS_STRING_FLAGS)" \
-- MAKEINCDIR=`pwd` RC_ARCHS="$(RC_ARCHS)"; \
-+ MAKEINCDIR="`pwd`" RC_ARCHS="$(RC_ARCHS)"; \
- fi
-
- kld_build: $(OBJROOT)/dynamic_kld $(OBJROOT)/static_kld $(SYMROOT)/ld_dir
- @if [ $(SRCROOT) = . ]; \
- then \
- cd dynamic_kld; $(MAKE) -f ../Makefile libkld.dylib VPATH=.. \
-- MAKEINCDIR=`pwd` OFILE_DIR=. SRCROOT=.. \
-+ MAKEINCDIR="`pwd`" OFILE_DIR=. SRCROOT=.. \
- COPTS="-DRLD -DKLD" CC="$(CC)" \
- LIBSTUFF="-L../../libstuff -lstuff" \
- VERS_STRING_FLAGS="$(VERS_STRING_FLAGS)" \
-@@ -274,12 +283,12 @@
- COPTS="-DRLD -DKLD" RC_CFLAGS="$(RC_CFLAGS)" \
- LIBSTUFF="-L$(SYMROOT)/../libstuff -lstuff" \
- VERS_STRING_FLAGS="$(VERS_STRING_FLAGS)" \
-- MAKEINCDIR=`pwd` RC_ARCHS="$(RC_ARCHS)"; \
-+ MAKEINCDIR="`pwd`" RC_ARCHS="$(RC_ARCHS)"; \
- fi
- @if [ $(SRCROOT) = . ]; \
- then \
- cd static_kld; $(MAKE) -f ../Makefile libkld.a VPATH=.. \
-- MAKEINCDIR=`pwd` OFILE_DIR=. SRCROOT=.. \
-+ MAKEINCDIR="`pwd`" OFILE_DIR=. SRCROOT=.. \
- COPTS="-static -DRLD -DKLD $(KERN)" CC="$(CC)" \
- LIBSTUFF="-L../../libstuff -lstuff" PRIVATE_IFLAG="" \
- LIBMACHO="-L../../libmacho/otmp_obj -lmacho_static" \
-@@ -293,7 +302,7 @@
- LIBSTUFF="-L$(SYMROOT)/../libstuff -lstuff" \
- LIBMACHO="-L$(SYMROOT)/../libmacho -lmacho_static" \
- VERS_STRING_FLAGS="$(VERS_STRING_FLAGS)" PRIVATE_IFLAG="" \
-- MAKEINCDIR=`pwd` RC_ARCHS="$(RC_ARCHS)"; \
-+ MAKEINCDIR="`pwd`" RC_ARCHS="$(RC_ARCHS)"; \
- fi
-
- ld.NEW: $(OBJS) ld_vers.o makeUser.o
-@@ -341,8 +350,9 @@
- makeUser.c ld.c: make.h
-
- make.h makeUser.c: make.defs
-- $(MIG) $(MIG_FLAGS) $(SRCROOT)/make.defs
-- rm -f makeServer.c
-+ #~ $(MIG) $(MIG_FLAGS) $(SRCROOT)/make.defs
-+ #~ rm -f makeServer.c
-+ cp $(SRCROOT)/makeUser.c .
-
- ld_vers.o: ld_vers.c
- ifeq "mwccppc" "$(notdir $(CC))"
-diff -rub ld/coalesced_sections.c ld/coalesced_sections.c
---- ld/coalesced_sections.c Tue Jan 14 23:35:24 2003
-+++ ld/coalesced_sections.c Mon Aug 25 22:11:47 2003
-@@ -579,15 +579,15 @@
- /*
- * The number of relocation entries in the output file is based
- * on one of three different cases:
-- * The output file is a dynamic shared library file
-+ * The output file is a multi module dynamic shared library
- * The output file has a dynamic linker load command
- * The output does not have a dynamic linker load command
- */
-- if(filetype == MH_DYLIB){
-+ if(filetype == MH_DYLIB && multi_module_dylib == TRUE){
- /*
-- * For dynamic shared library files the modules are kept
-- * separate so external relocation entries on input will be
-- * external relocation entries on output. For local
-+ * For a multi module dynamic shared library the modules are
-+ * kept separate so external relocation entries on input
-+ * will be external relocation entries on output. For local
- * relocation entries only non-position-independent local
- * relocation entries are kept. Modules of dylibs are not
- * linked together and can only be slid keeping all sections
-Only in ld/: dtmp_obj
-diff -rub ld/dylibs.c ld/dylibs.c
---- ld/dylibs.c Fri Sep 6 18:27:43 2002
-+++ ld/dylibs.c Mon Aug 25 22:11:47 2003
-@@ -116,7 +116,8 @@
- */
- __private_extern__
- void
--merge_dylibs(void)
-+merge_dylibs(
-+enum bool force_weak)
- {
- unsigned long i;
- struct mach_header *mh;
-@@ -142,7 +143,9 @@
- * file. Only record the library itself.
- */
- if((lc->cmd != LC_LOAD_DYLIB &&
-- lc->cmd != LC_LOAD_WEAK_DYLIB) || mh->filetype != MH_DYLIB){
-+ lc->cmd != LC_LOAD_WEAK_DYLIB) ||
-+ (mh->filetype != MH_DYLIB &&
-+ mh->filetype != MH_DYLIB_STUB) ){
- dl = (struct dylib_command *)lc;
- mdl = lookup_merged_dylib(dl);
- if(filetype == MH_DYLIB && dylib_install_name != NULL &&
-@@ -151,6 +154,7 @@
- "same install_name (%s) as the output",
- dylib_install_name);
- p = add_dynamic_lib(DYLIB, dl, cur_obj);
-+ p->force_weak_dylib = force_weak;
- mdl->dynamic_library = p;
- }
- }
-diff -rub ld/dylibs.h ld/dylibs.h
---- ld/dylibs.h Fri Sep 6 18:27:43 2002
-+++ ld/dylibs.h Mon Aug 25 12:12:28 2003
-@@ -55,7 +55,7 @@
- __private_extern__ void create_dylib_id_command(
- void);
- __private_extern__ void merge_dylibs(
-- void);
-+ enum bool force_weak);
- __private_extern__ void add_dylib_segment(
- struct segment_command *sg,
- char *dylib_name,
-Only in ld/: dynamic_kld
-Only in ld/: dynamic_obj
-Only in ld/: dynamic_profile_obj
-Only in ld/: fake-mach.c
-diff -rub ld/generic_reloc.c ld/generic_reloc.c
---- ld/generic_reloc.c Tue Jan 14 23:35:24 2003
-+++ ld/generic_reloc.c Mon Aug 25 22:11:47 2003
-@@ -351,13 +351,13 @@
- /*
- * If the symbol is undefined (or common) or a global coalesced
- * symbol where we need to force an external relocation entry
-- * and we are not prebinding no relocation is done.
-- * Or if the output file is MH_DYLIB no relocation is done
-+ * and we are not prebinding no relocation is done. Or if the
-+ * output file is a multi module MH_DYLIB no relocation is done
- * unless the symbol is a private extern or we are prebinding.
- */
- if(((merged_symbol->nlist.n_type & N_TYPE) == N_UNDF) ||
- (force_extern_reloc == TRUE && prebinding == FALSE) ||
-- (filetype == MH_DYLIB &&
-+ ((filetype == MH_DYLIB && multi_module_dylib == TRUE) &&
- (((merged_symbol->nlist.n_type & N_PEXT) != N_PEXT) &&
- prebinding == FALSE) ) )
- value = 0;
-@@ -728,18 +728,19 @@
- * For external relocation entries that the symbol is
- * defined (not undefined or common) but not when we are
- * forcing an external relocation entry for a global
-- * coalesced symbol and if the output file is not MH_DYLIB
-- * or the symbol is a private extern it is changed to a
-- * local relocation entry using the section that symbol is
-- * defined in. If still undefined or forcing an external
-- * relocation entry for a global coalesced symbol then the
-- * index of the symbol in the output file is set into
-- * r_symbolnum.
-+ * coalesced symbol and if the output file is not a multi
-+ * module MH_DYLIB or the symbol is a private extern, it is
-+ * changed to a local relocation entry using the section
-+ * that symbol is defined in. If still undefined or forcing
-+ * an external relocation entry for a global coalesced
-+ * symbol, then the index of the symbol in the output file
-+ * is set into r_symbolnum.
- */
- else if((merged_symbol->nlist.n_type & N_TYPE) != N_UNDF &&
- (merged_symbol->nlist.n_type & N_TYPE) != N_PBUD &&
- force_extern_reloc == FALSE &&
-- (filetype != MH_DYLIB ||
-+ ((filetype != MH_DYLIB ||
-+ multi_module_dylib == FALSE) ||
- (merged_symbol->nlist.n_type & N_PEXT) == N_PEXT)){
- reloc->r_extern = 0;
- /*
-diff -rub ld/hppa_reloc.c ld/hppa_reloc.c
---- ld/hppa_reloc.c Tue Jan 14 23:35:24 2003
-+++ ld/hppa_reloc.c Mon Aug 25 22:11:47 2003
-@@ -384,13 +384,13 @@
- /*
- * If the symbol is undefined (or common) or a global coalesced
- * symbol where we need to force an external relocation entry
-- * and we are not prebinding no relocation is done.
-- * Or if the output file is MH_DYLIB no relocation is done
-+ * and we are not prebinding no relocation is done. Or if the
-+ * output file is a multi module MH_DYLIB no relocation is done
- * unless the symbol is a private extern or we are prebinding.
- */
- if(((merged_symbol->nlist.n_type & N_TYPE) == N_UNDF) ||
- (force_extern_reloc == TRUE && prebinding == FALSE) ||
-- (filetype == MH_DYLIB &&
-+ ((filetype == MH_DYLIB && multi_module_dylib == TRUE) &&
- (((merged_symbol->nlist.n_type & N_PEXT) != N_PEXT) &&
- prebinding == FALSE) ) )
- value = 0;
-@@ -807,7 +807,9 @@
- section_map, r_address) +
- 8;
- if(save_reloc == 0 &&
-- (filetype != MH_DYLIB || (r_extern == 1 &&
-+ ((filetype != MH_DYLIB ||
-+ multi_module_dylib == FALSE) ||
-+ (r_extern == 1 &&
- (merged_symbol->nlist.n_type & N_PEXT) ==
- N_PEXT)) &&
- (output_for_dyld == FALSE || r_extern == 0 ||
-@@ -1001,7 +1003,8 @@
- r_address) +
- 8);
- if(save_reloc == 0 &&
-- (filetype != MH_DYLIB || (r_extern == 1 &&
-+ ((filetype != MH_DYLIB || multi_module_dylib == FALSE) ||
-+ (r_extern == 1 &&
- (merged_symbol->nlist.n_type & N_PEXT) == N_PEXT)) &&
- (output_for_dyld == FALSE || r_extern == 0 ||
- (merged_symbol->nlist.n_type & N_TYPE) != N_UNDF) &&
-@@ -1054,18 +1057,19 @@
- * For external relocation entries that the symbol is
- * defined (not undefined or common) but not when we are
- * forcing an external relocation entry for a global
-- * coalesced symbol and if the output file is not MH_DYLIB
-- * or the symbol is a private extern it is changed to a
-- * local relocation entry using the section that symbol is
-- * defined in. If still undefined or forcing an external
-- * relocation entry for a global coalesced symbol then the
-- * index of the symbol in the output file is set into
-- * r_symbolnum.
-+ * coalesced symbol and if the output file is not a multi
-+ * module MH_DYLIB or the symbol is a private extern, it is
-+ * changed to a local relocation entry using the section
-+ * that symbol is defined in. If still undefined or forcing
-+ * an external relocation entry for a global coalesced
-+ * symbol, then the index of the symbol in the output file
-+ * is set into r_symbolnum.
- */
- else if((merged_symbol->nlist.n_type & N_TYPE) != N_UNDF &&
- (merged_symbol->nlist.n_type & N_TYPE) != N_PBUD &&
- force_extern_reloc == FALSE &&
-- (filetype != MH_DYLIB ||
-+ ((filetype != MH_DYLIB ||
-+ multi_module_dylib == FALSE) ||
- (merged_symbol->nlist.n_type & N_PEXT) == N_PEXT)){
- reloc->r_extern = 0;
- /*
-diff -rub ld/i860_reloc.c ld/i860_reloc.c
---- ld/i860_reloc.c Tue Jan 14 23:35:24 2003
-+++ ld/i860_reloc.c Mon Aug 25 22:11:47 2003
-@@ -370,13 +370,13 @@
- /*
- * If the symbol is undefined (or common) or a global coalesced
- * symbol where we need to force an external relocation entry
-- * and we are not prebinding no relocation is done.
-- * Or if the output file is MH_DYLIB no relocation is done
-+ * and we are not prebinding no relocation is done. Or if the
-+ * output file is a multi module MH_DYLIB no relocation is done
- * unless the symbol is a private extern or we are prebinding.
- */
- if(((merged_symbol->nlist.n_type & N_TYPE) == N_UNDF) ||
- (force_extern_reloc == TRUE && prebinding == FALSE) ||
-- (filetype == MH_DYLIB &&
-+ ((filetype == MH_DYLIB && multi_module_dylib == TRUE) &&
- (((merged_symbol->nlist.n_type & N_PEXT) != N_PEXT) &&
- prebinding == FALSE) ) )
- value = 0;
-@@ -762,19 +762,21 @@
- * For external relocation entries that the symbol is
- * defined (not undefined or common) but not when we are
- * forcing an external relocation entry for a global
-- * coalesced symbol and if the output file is not MH_DYLIB
-- * or the symbol is a private extern it is changed to a
-- * local relocation entry using the section that symbol is
-- * defined in. If still undefined or forcing an external
-- * relocation entry for a global coalesced symbol then the
-- * index of the symbol in the output file is set into
-- * r_symbolnum.
-+ * coalesced symbol and if the output file is not a multi
-+ * module MH_DYLIB or the symbol is a private extern, it is
-+ * changed to a local relocation entry using the section
-+ * that symbol is defined in. If still undefined or forcing
-+ * an external relocation entry for a global coalesced
-+ * symbol, then the index of the symbol in the output file
-+ * is set into r_symbolnum.
- */
- if((merged_symbol->nlist.n_type & N_TYPE) != N_UNDF &&
- (merged_symbol->nlist.n_type & N_TYPE) != N_PBUD &&
- force_extern_reloc == FALSE &&
-- (filetype != MH_DYLIB ||
-+ ((filetype != MH_DYLIB ||
-+ multi_module_dylib == FALSE) ||
- (merged_symbol->nlist.n_type & N_PEXT) == N_PEXT)){
-+ reloc->r_extern = 0;
- reloc->r_extern = 0;
- /*
- * If this symbol was in the base file then no futher
-diff -rub ld/indirect_sections.c ld/indirect_sections.c
---- ld/indirect_sections.c Tue Jan 14 23:35:24 2003
-+++ ld/indirect_sections.c Mon Aug 25 22:11:47 2003
-@@ -370,11 +370,13 @@
- (merged_symbol->definition_object->section_maps[
- merged_symbol->nlist.n_sect - 1].
- s->flags & SECTION_TYPE) == S_COALESCED){
-- if(output_for_dyld && has_dynamic_linker_command &&
-+ if((output_for_dyld && has_dynamic_linker_command &&
- (((merged_symbol->nlist.n_desc & N_WEAK_DEF) !=
- N_WEAK_DEF) ||
- ((merged_symbol->nlist.n_type & N_PEXT) == N_PEXT &&
-- keep_private_externs == FALSE) ) )
-+ keep_private_externs == FALSE) ) ) ||
-+ (filetype == MH_DYLIB && multi_module_dylib == FALSE &&
-+ (merged_symbol->nlist.n_type & N_PEXT) == N_PEXT) )
- fine_relocs[i].indirect_defined = TRUE;
- else
- fine_relocs[i].indirect_defined = FALSE;
-@@ -386,7 +388,7 @@
- if((merged_symbol->nlist.n_type & N_TYPE) == N_ABS)
- section_map->absolute_indirect_defineds = TRUE;
-
-- if(filetype == MH_DYLIB ||
-+ if((filetype == MH_DYLIB && multi_module_dylib == TRUE) ||
- section_type == S_NON_LAZY_SYMBOL_POINTERS ||
- fine_relocs[i].indirect_defined == FALSE){
- fine_relocs[i].output_offset = lookup_indirect_item(
-@@ -685,15 +687,16 @@
- merged_symbol = (struct merged_symbol *)
- merged_symbol->nlist.n_value;
- /*
-- * For dynamic shared library format files the merged sections
-- * that could have had external relocation entries must be
-- * resolved to private extern symbols. This is because for
-- * MH_DYLIB files all modules share the merged sections and the
-- * entire section gets relocated when the library is mapped in.
-- * So the above restriction assures the merged section will get
-- * relocated properly and can be shared amoung library modules.
-+ * For multi module dynamic shared library format files the
-+ * merged sections that could have had external relocation
-+ * entries must be resolved to private extern symbols. This is
-+ * because for multi module MH_DYLIB files all modules share the
-+ * merged sections and the entire section gets relocated when
-+ * the library is mapped in. So the above restriction assures
-+ * the merged section will get relocated properly and can be
-+ * shared amoung library modules.
- */
-- if(filetype == MH_DYLIB){
-+ if(filetype == MH_DYLIB && multi_module_dylib == TRUE){
- /*
- * If the symbol is undefined or not a private extern it is
- * an error for in this section for a MH_DYLIB file.
-@@ -704,19 +707,20 @@
- merged_symbol->defined_in_dylib == TRUE)){
- if(merged_symbol->error_flagged_for_dylib == 0){
- error_with_cur_obj("illegal undefined reference "
-- "for MH_DYLIB output file to symbol: %s from "
-- "section (%.16s,%.16s) relocation entry: %lu",
-- merged_symbol->nlist.n_un.n_name,
-- s->segname, s->sectname, i);
-+ "for multi module MH_DYLIB output file to "
-+ "symbol: %s from section (%.16s,%.16s) "
-+ "relocation entry: %lu",
-+ merged_symbol->nlist.n_un.n_name, s->segname,
-+ s->sectname, i);
- merged_symbol->error_flagged_for_dylib = 1;
- }
- }
- else if((merged_symbol->nlist.n_type & N_PEXT) != N_PEXT){
- if(merged_symbol->error_flagged_for_dylib == 0){
- error_with_cur_obj("illegal external reference for "
-- "MH_DYLIB output file to symbol: %s (not a "
-- "private extern symbol) from section (%.16s,"
-- "%.16s) relocation entry: %lu",
-+ "multi module MH_DYLIB output file to symbol: "
-+ "%s (not a private extern symbol) from section "
-+ "(%.16s,%.16s) relocation entry: %lu",
- merged_symbol->nlist.n_un.n_name,
- s->segname, s->sectname, i);
- merged_symbol->error_flagged_for_dylib = 1;
-@@ -760,18 +764,19 @@
- /*
- * The number of relocation entries in the output file is based
- * on one of three different cases:
-- * The output file is a dynamic shared library file
-+ * The output file is a multi module dynamic shared library
- * The output file has a dynamic linker load command
- * The output does not have a dynamic linker load command
- */
-- if(filetype == MH_DYLIB){
-+ if(filetype == MH_DYLIB && multi_module_dylib == TRUE){
- /*
-- * For dynamic shared library files there are no external
-- * relocation entries that will be left as external as
-- * checked above. Only non-position-independent local
-- * relocation entries are kept. Modules of dylibs are not
-- * linked together and can only be slid keeping all sections
-- * relative to each other the same.
-+ * For multi module dynamic shared library files there are
-+ * no external relocation entries that will be left as
-+ * external as checked above. Only non-position-independent
-+ * local relocation entries are kept. Modules of multi
-+ * module dylibs are not linked together and can only be
-+ * slid keeping all sections relative to each other the
-+ * same.
- */
- if(pic == FALSE)
- ms->nlocrel += 1 + pair;
-@@ -884,7 +889,7 @@
- #if defined(DEBUG) && defined(PROBE_COUNT)
- data->nprobes++;
- #endif
-- hashval = ((long)merged_symbol) % INDIRECT_SECTION_HASHSIZE;
-+ hashval = ((unsigned long)merged_symbol) % INDIRECT_SECTION_HASHSIZE;
- for(bp = data->hashtable[hashval]; bp; bp = bp->next){
- #if defined(DEBUG) && defined(PROBE_COUNT)
- data->nprobes++;
-@@ -1296,7 +1301,7 @@
- if(nindirectsyms == 0)
- return;
- if(strip_level == STRIP_ALL)
-- fatal("can't use -s with input files containg indirect symbols "
-+ fatal("can't use -s with input files containing indirect symbols "
- "(output file must contain at least global symbols, for "
- "maximum stripping use -x)");
- indirect_symbols = (unsigned long *)(output_addr +
-diff -rub ld/layout.c ld/layout.c
---- ld/layout.c Tue Jan 14 23:35:24 2003
-+++ ld/layout.c Mon Aug 25 23:22:05 2003
-@@ -42,18 +42,22 @@
- #include "stuff/openstep_mach.h"
- #include <mach-o/fat.h>
- #include <mach-o/loader.h>
--#import <mach/m68k/thread_status.h>
--#import <mach/ppc/thread_status.h>
--#import <mach/m88k/thread_status.h>
--#import <mach/i860/thread_status.h>
--#import <mach/i386/thread_status.h>
--#import <mach/hppa/thread_status.h>
--#import <mach/sparc/thread_status.h>
-+#include <mach/m68k/thread_status.h>
-+#include <mach/ppc/thread_status.h>
-+#include <mach/m88k/thread_status.h>
-+#include <mach/i860/thread_status.h>
-+#include <mach/i386/thread_status.h>
-+#include <mach/hppa/thread_status.h>
-+#include <mach/sparc/thread_status.h>
- #include <mach-o/nlist.h>
- #include <mach-o/reloc.h>
-+
-+#include <mach/kern_return.h>
-+
- #if defined(RLD) && !defined(SA_RLD) && !(defined(KLD) && defined(__STATIC__))
-+typedef void NXStream;
- #include <mach-o/rld.h>
--#include <streams/streams.h>
-+//~ #include <streams/streams.h>
- #endif /* defined(RLD) && !defined(SA_RLD) &&
- !(defined(KLD) && defined(__STATIC__)) */
- #include "stuff/arch.h"
-@@ -73,6 +77,15 @@
- #include "mach-o/sarld.h"
- #include "indirect_sections.h"
-
-+#if ( defined(__MWERKS__) && !defined(__private_extern__) )
-+#define __private_extern__ __declspec(private_extern)
-+#elif ( defined(__linux__) && !defined(__private_extern__) )
-+#define __private_extern__ extern
-+#endif
-+
-+/** gcc on Linux defines powerpc, if we are compiling on a powerpc. */
-+#undef powerpc
-+
- #ifdef RLD
- __private_extern__ long RLD_DEBUG_OUTPUT_FILENAME_flag;
- #endif
-@@ -213,8 +226,11 @@
- if(filetype == MH_EXECUTE ||
- filetype == MH_BUNDLE ||
- filetype == MH_DYLIB ||
-- filetype == MH_DYLINKER)
-+ filetype == MH_DYLINKER){
- setup_link_editor_symbols();
-+ if(undefined_flag == UNDEFINED_DEFINE_A_WAY)
-+ define_undefined_symbols_a_way();
-+ }
- if(filetype == MH_PRELOAD)
- define_link_editor_preload_symbols(TRUE);
- #endif /* !defined(RLD) */
-@@ -644,6 +660,7 @@
- if(strip_level != STRIP_ALL)
- linkedit_segment.sg.filesize +=
- (nmerged_symbols
-+ - nstripped_merged_symbols
- + nlocal_symbols
- - nmerged_symbols_referenced_only_from_dylibs) *
- sizeof(struct nlist) +
-@@ -998,6 +1015,7 @@
- if(strip_level != STRIP_ALL){
- output_symtab_info.symtab_command.nsyms =
- nmerged_symbols
-+ - nstripped_merged_symbols
- + nlocal_symbols
- - nmerged_symbols_referenced_only_from_dylibs;
- output_symtab_info.symtab_command.strsize =
-@@ -1301,20 +1319,21 @@
-
- #ifdef RLD
- /*
-- * For rld() the output format is MH_OBJECT and only the contents of the
-- * segment (the entire vmsize not just the filesize) without headers is
-- * allocated and the address the segment is linked to is the address of
-- * this memory.
-+ * For rld() the output format is MH_OBJECT and the contents of the
-+ * first segment (the entire vmsize not just the filesize), if it exists,
-+ * plus headers are allocated and the address the segment is linked to
-+ * is the address of this memory.
- */
- output_size = 0;
-- if(first_msg != NULL){
- #ifndef SA_RLD
- kern_return_t r;
- #endif
- unsigned long allocate_size;
-
- headers_size = round(headers_size, max_align);
-- output_size = headers_size + first_msg->sg.vmsize;
-+ output_size = headers_size;
-+ if(first_msg != NULL)
-+ output_size += first_msg->sg.vmsize;
- allocate_size = output_size;
- if(strip_level != STRIP_ALL)
- allocate_size += output_symtab_info.symtab_command.nsyms *
-@@ -1346,6 +1365,8 @@
- #endif /* RLD_VM_ALLOC_DEBUG */
- sets[cur_set].output_addr = output_addr;
- sets[cur_set].output_size = output_size;
-+
-+ if(first_msg != NULL){
- if(address_func != NULL){
- if(RLD_DEBUG_OUTPUT_FILENAME_flag)
- first_msg->sg.vmaddr =
-@@ -2194,12 +2215,18 @@
- (unsigned int)(ms->s.addr +
- fine_relocs[k].output_offset),
- (unsigned int)
-- (k == object_file->section_maps[j].
-- nfine_relocs - 1 ?
-- object_file->section_maps[j].s->size -
-- fine_relocs[k].input_offset :
-- fine_relocs[k + 1].input_offset -
-- fine_relocs[k].input_offset));
-+ (k == (unsigned int)
-+ ((object_file->section_maps[j].
-+ nfine_relocs) -
-+ (unsigned int)1) ?
-+ (unsigned int)
-+ (object_file->section_maps[j].s->size) -
-+ (unsigned int)(fine_relocs[k].
-+ input_offset) :
-+ (unsigned int)(fine_relocs[k + 1].
-+ input_offset) -
-+ (unsigned int)(fine_relocs[k].
-+ input_offset)));
- print_obj_name(object_file);
- print("\n");
- }
-diff -rub ld/ld.c ld/ld.c
---- ld/ld.c Tue Jan 14 23:35:24 2003
-+++ ld/ld.c Mon Aug 25 22:11:47 2003
-@@ -50,6 +50,9 @@
- #include <mach/mach.h>
- #include <mach/mach_error.h>
- #include "stuff/seg_addr_table.h"
-+#ifndef RLD
-+#include "stuff/symbol_list.h"
-+#endif
- #include "make.h"
- #include <mach/mach_init.h>
- #if defined(__OPENSTEP__) || defined(__GONZO_BUNSEN_BEAKER__)
-@@ -91,8 +94,11 @@
- __private_extern__ char *outputfile = NULL;
- /* type of output file */
- __private_extern__ unsigned long filetype = MH_EXECUTE;
-+/* multi or single module dylib output */
-+__private_extern__ enum bool multi_module_dylib = TRUE;
- #ifndef RLD
- static enum bool filetype_specified = FALSE;
-+static enum bool moduletype_specified = FALSE;
- /* if the -A flag is specified use to set the object file type */
- static enum bool Aflag_specified = FALSE;
- #endif /* !defined(RLD) */
-@@ -190,6 +196,19 @@
- /* Strip the base file symbols (the -A argument's symbols) */
- __private_extern__ enum bool strip_base_symbols = FALSE;
-
-+#ifndef RLD
-+/*
-+ * Data structures to perform selective exporting of global symbols.
-+ * save_symbols is the names of the symbols from -exported_symbols_list
-+ * remove_symbols is the names of the symbols from -unexported_symbols_list
-+ */
-+__private_extern__ struct symbol_list *save_symbols = NULL;
-+__private_extern__ unsigned long nsave_symbols = 0;
-+__private_extern__ struct symbol_list *remove_symbols = NULL;
-+__private_extern__ unsigned long nremove_symbols = 0;
-+#endif /* RLD */
-+
-+
- /* The list of symbols to be traced */
- __private_extern__ char **trace_syms = NULL;
- __private_extern__ unsigned long ntrace_syms = 0;
-@@ -251,6 +270,7 @@
- static enum bool read_only_reloc_flag_specified = FALSE;
- static enum bool sect_diff_reloc_flag_specified = FALSE;
- static enum bool weak_reference_mismatches_specified = FALSE;
-+static enum bool prebind_all_twolevel_modules_specified = FALSE;
- #endif
-
- /* True if -m is specified to allow multiply symbols, as a warning */
-@@ -418,7 +438,8 @@
- char *argv[],
- char *envp[])
- {
-- unsigned long i, j, symbols_created, objects_specified, sections_created;
-+ int i;
-+ unsigned long j, symbols_created, objects_specified, sections_created;
- unsigned long table_size;
- int fd;
- char *p, *symbol_name, *indr_symbol_name, *endp, *file_name;
-@@ -438,11 +459,16 @@
- enum weak_reference_mismatches_handling new_weak_reference_mismatches;
- enum bool is_framework;
- char *has_suffix;
-+ struct symbol_list *sp;
-+ char *exported_symbols_list, *unexported_symbols_list;
-+ enum bool missing_syms;
-
- #ifdef __MWERKS__
- char **dummy;
- dummy = envp;
- #endif
-+ exported_symbols_list = NULL;
-+ unexported_symbols_list = NULL;
-
- progname = argv[0];
- #ifndef BINARY_COMPARE
-@@ -487,6 +513,8 @@
- p = &(argv[i][1]);
- switch(*p){
- case 'l':
-+ if(p[1] == '\0')
-+ fatal("-l: argument missing");
- /* path searched abbrevated file name, processed in the
- next pass of parsing arguments */
- break;
-@@ -559,7 +587,13 @@
- prebind_allow_overlap = TRUE;
- }
- else if(strcmp(p, "prebind_all_twolevel_modules") == 0){
-+ if(prebind_all_twolevel_modules_specified == TRUE &&
-+ prebind_all_twolevel_modules == FALSE)
-+ fatal("both -prebind_all_twolevel_modules and "
-+ "-noprebind_all_twolevel_modules can't be "
-+ "specified");
- prebind_all_twolevel_modules = TRUE;
-+ prebind_all_twolevel_modules_specified = TRUE;
- }
- else if(strcmp(p, "private_bundle") == 0){
- private_bundle = TRUE;
-@@ -808,6 +842,15 @@
- else if(strcmp(p, "nomultidefs") == 0){
- nomultidefs = TRUE;
- }
-+ else if(strcmp(p, "noprebind_all_twolevel_modules") == 0){
-+ if(prebind_all_twolevel_modules_specified == TRUE &&
-+ prebind_all_twolevel_modules == TRUE)
-+ fatal("both -prebind_all_twolevel_modules and "
-+ "-noprebind_all_twolevel_modules can't be "
-+ "specified");
-+ prebind_all_twolevel_modules = FALSE;
-+ prebind_all_twolevel_modules_specified = TRUE;
-+ }
- else
- goto unknown_flag;
- break;
-@@ -882,6 +925,9 @@
- static_specified = TRUE;
- twolevel_namespace = FALSE;
- }
-+ else if(strcmp(p, "search_paths_first") == 0){
-+ search_paths_first = TRUE;
-+ }
- /*
- * Flags for specifing information about sections.
- */
-@@ -1225,6 +1271,15 @@
- sub_librarys[nsub_librarys++] = argv[i+1];
- i += 1;
- }
-+ /* -single_module for MH_DYLIB output */
-+ else if(strcmp(p, "single_module") == 0){
-+ if(moduletype_specified == TRUE &&
-+ multi_module_dylib == TRUE)
-+ fatal("can't specify both -single_module and "
-+ "-multi_module");
-+ moduletype_specified = TRUE;
-+ multi_module_dylib = FALSE;
-+ }
- else
- goto unknown_flag;
- break;
-@@ -1409,6 +1464,16 @@
- new_multiply_defined_unused_flag;
- break;
- }
-+ /* -multi_module for MH_DYLIB output */
-+ else if(strcmp(p, "multi_module") == 0){
-+ if(moduletype_specified == TRUE &&
-+ multi_module_dylib == FALSE)
-+ fatal("can't specify both -single_module and "
-+ "-multi_module");
-+ moduletype_specified = TRUE;
-+ multi_module_dylib = TRUE;
-+ break;
-+ }
- /* treat multiply defined symbols as a warning not a
- hard error */
- if(p[1] != '\0')
-@@ -1426,6 +1491,10 @@
- new_undefined_flag = UNDEFINED_WARNING;
- else if(strcmp(argv[i], "suppress") == 0)
- new_undefined_flag = UNDEFINED_SUPPRESS;
-+ else if(strcmp(argv[i], "dynamic_lookup") == 0)
-+ new_undefined_flag = UNDEFINED_DYNAMIC_LOOKUP;
-+ else if(strcmp(argv[i], "define_a_way") == 0)
-+ new_undefined_flag = UNDEFINED_DEFINE_A_WAY;
- else{
- fatal("-undefined: unknown argument: %s", argv[i]);
- new_undefined_flag = UNDEFINED_ERROR;
-@@ -1450,6 +1519,17 @@
- i += 1;
- break;
- }
-+ else if(strcmp(p, "unexported_symbols_list") == 0){
-+ if(i + 1 >= argc)
-+ fatal("%s: argument missing", argv[i]);
-+ if(remove_symbols != NULL)
-+ fatal("%s: multiply specified", argv[i]);
-+ setup_symbol_list(argv[i+1], &remove_symbols,
-+ &nremove_symbols);
-+ unexported_symbols_list = argv[i+1];
-+ i += 1;
-+ break;
-+ }
- if(p[1] != '\0')
- goto unknown_flag;
- /* cause the specified symbol name to be undefined */
-@@ -1467,6 +1547,17 @@
- filetype = MH_EXECUTE;
- break;
- }
-+ else if(strcmp(p, "exported_symbols_list") == 0){
-+ if(i + 1 >= argc)
-+ fatal("%s: argument missing", argv[i]);
-+ if(save_symbols != NULL)
-+ fatal("%s: multiply specified", argv[i]);
-+ setup_symbol_list(argv[i+1], &save_symbols,
-+ &nsave_symbols);
-+ exported_symbols_list = argv[i+1];
-+ i += 1;
-+ break;
-+ }
- /* specify the entry point, the symbol who's value to be
- used as the program counter in the unix thread */
- if(p[1] != '\0')
-@@ -1526,6 +1617,26 @@
- new_weak_reference_mismatches;
- break;
- }
-+ else if(strcmp(p, "weak_library") == 0){
-+ if(i + 1 >= argc)
-+ fatal("-weak_library: argument missing");
-+ /* object file argv[i] processed in the next pass of
-+ parsing arguments */
-+ i += 1;
-+ }
-+ else if(strncmp(p, "weak-l", sizeof("weak-l") - 1) == 0){
-+ if(p[sizeof("weak-l") - 1] == '\0')
-+ fatal("-weak-l: argument missing");
-+ /* path searched abbrevated file name, processed in the
-+ next pass of parsing arguments */
-+ }
-+ else if(strcmp(p, "weak_framework") == 0){
-+ if(i + 1 >= argc)
-+ fatal("-weak_framework: argument missing");
-+ /* path searched abbrevated framework name, processed
-+ in the next pass of parsing arguments */
-+ i += 1;
-+ }
- else
- goto unknown_flag;
- break;
-@@ -1664,7 +1775,7 @@
- rc_trace_dylibs = TRUE;
- if(getenv("RC_TRACE_PREBINDING_DISABLED") != NULL)
- rc_trace_prebinding_disabled = TRUE;
-- if(getenv("XBS_TRACE_BUNDLE_LOADER") != NULL &&
-+ if(getenv("LD_TRACE_BUNDLE_LOADER") != NULL &&
- bundle_loader != NULL)
- print("[Logging for XBS] Referenced bundle loader: %s\n",
- bundle_loader);
-@@ -1702,7 +1813,8 @@
- }
- if(getenv("LD_PREBIND_ALLOW_OVERLAP") != NULL)
- prebind_allow_overlap = TRUE;
-- if(getenv("LD_PREBIND_ALL_TWOLEVEL_MODULES") != NULL)
-+ if(prebind_all_twolevel_modules_specified == FALSE &&
-+ getenv("LD_PREBIND_ALL_TWOLEVEL_MODULES") != NULL)
- prebind_all_twolevel_modules = TRUE;
-
- /*
-@@ -1765,6 +1877,31 @@
- if(save_reloc && strip_base_symbols == TRUE)
- fatal("can't use -b with -r (resulting file would not be "
- "relocatable)");
-+ if(keep_private_externs == TRUE){
-+ if(save_symbols != NULL)
-+ fatal("can't use both -keep_private_externs and "
-+ "-exported_symbols_list");
-+ if(remove_symbols != NULL)
-+ fatal("can't use both -keep_private_externs and "
-+ "-unexported_symbols_list");
-+ }
-+ if(save_symbols != NULL && remove_symbols != NULL){
-+ for(j = 0; j < nremove_symbols ; j++){
-+ sp = bsearch(remove_symbols[j].name,
-+ save_symbols, nsave_symbols,
-+ sizeof(struct symbol_list),
-+ (int (*)(const void *, const void *))
-+ symbol_list_bsearch);
-+ if(sp != NULL){
-+ error("symbol name: %s is listed in both "
-+ "-exported_symbols_list and -unexported_symbols_list "
-+ "(can't be both exported and unexported)",
-+ remove_symbols[j].name);
-+ }
-+ }
-+ if(errors != 0)
-+ ld_exit(1);
-+ }
- if(filetype_specified == TRUE && filetype == MH_OBJECT){
- if(dynamic == TRUE)
- fatal("incompatible to specifiy -object when -dynamic is used "
-@@ -2032,6 +2169,9 @@
- if(nallowable_clients != 0)
- fatal("-allowable_client flags can only be used when -dylib "
- "is also specified");
-+ if(moduletype_specified == TRUE)
-+ fatal("-single_module or -multi_module flags can only be used "
-+ "when -dylib is also specified");
- }
- if(filetype == MH_BUNDLE){
- if(dynamic == FALSE)
-@@ -2094,9 +2234,26 @@
- warning("flag: -init %s ignored (-dylib was not specified",
- init_name);
- }
-- if(twolevel_namespace == TRUE && undefined_flag != UNDEFINED_ERROR){
-- fatal("-undefined error must be used when -twolevel_namespace is "
-- "in effect");
-+ if(twolevel_namespace == TRUE &&
-+ undefined_flag != UNDEFINED_ERROR &&
-+ undefined_flag != UNDEFINED_DYNAMIC_LOOKUP &&
-+ undefined_flag != UNDEFINED_DEFINE_A_WAY){
-+ if(macosx_deployment_target >=MACOSX_DEPLOYMENT_TARGET_10_3)
-+ fatal("-undefined error, -undefined dynamic_lookup or "
-+ "-undefined define_a_way must be used when "
-+ "-twolevel_namespace is in effect");
-+ else
-+ fatal("-undefined error or -undefined define_a_way must be "
-+ "used when -twolevel_namespace is in effect");
-+ }
-+ if(undefined_flag == UNDEFINED_DYNAMIC_LOOKUP){
-+ if(dynamic == FALSE)
-+ fatal("incompatible flag -undefined dynamic_lookup used (must "
-+ "specify \"-dynamic\" to be used)");
-+ if(macosx_deployment_target < MACOSX_DEPLOYMENT_TARGET_10_3)
-+ fatal("flag: -undefined dynamic_lookup can't be used with "
-+ "MACOSX_DEPLOYMENT_TARGET environment variable set to: "
-+ "%s", macosx_deployment_target_name);
- }
- if(twolevel_namespace == TRUE && nundef_syms != 0){
- fatal("can't use -U flags when -twolevel_namespace is in effect");
-@@ -2181,10 +2338,9 @@
- * can have one.
- */
- if(seglinkedit_specified == FALSE){
-- if((filetype == MH_EXECUTE || filetype == MH_BUNDLE ||
-+ if(filetype == MH_EXECUTE || filetype == MH_BUNDLE ||
- filetype == MH_FVMLIB ||
-- filetype == MH_DYLIB || filetype == MH_DYLINKER) &&
-- strip_level != STRIP_ALL)
-+ filetype == MH_DYLIB || filetype == MH_DYLINKER)
- seglinkedit = TRUE;
- else
- seglinkedit = FALSE;
-@@ -2215,12 +2371,12 @@
- * output force the bundle_loader to be loaded first.
- */
- if(bundle_loader != NULL && twolevel_namespace == FALSE){
-- pass1(bundle_loader, FALSE, FALSE, FALSE, TRUE);
-+ pass1(bundle_loader, FALSE, FALSE, FALSE, TRUE, FALSE);
- }
- for(i = 1 ; i < argc ; i++){
- if(*argv[i] != '-'){
- /* just a normal object file name */
-- pass1(argv[i], FALSE, FALSE, FALSE, FALSE);
-+ pass1(argv[i], FALSE, FALSE, FALSE, FALSE, FALSE);
- objects_specified++;
- }
- else{
-@@ -2234,20 +2390,20 @@
- * loaded first above.
- */
- if(twolevel_namespace == TRUE)
-- pass1(argv[i+1], FALSE, FALSE, FALSE, TRUE);
-+ pass1(argv[i+1], FALSE, FALSE, FALSE, TRUE, FALSE);
- i++;
- break;
- }
- break;
- case 'l':
- /* path searched abbrevated file name */
-- pass1(argv[i], TRUE, FALSE, FALSE, FALSE);
-+ pass1(argv[i], TRUE, FALSE, FALSE, FALSE, FALSE);
- objects_specified++;
- break;
- case 'A':
- if(base_obj != NULL)
- fatal("only one -A argument can be specified");
-- pass1(argv[++i], FALSE, TRUE, FALSE, FALSE);
-+ pass1(argv[++i], FALSE, TRUE, FALSE, FALSE, FALSE);
- objects_specified++;
- break;
- case 'f':
-@@ -2255,7 +2411,7 @@
- if(dynamic == FALSE)
- fatal("incompatible flag -framework used (must "
- "specify \"-dynamic\" to be used)");
-- pass1(argv[++i], FALSE, FALSE, TRUE, FALSE);
-+ pass1(argv[++i], FALSE, FALSE, TRUE, FALSE, FALSE);
- objects_specified++;
- }
- if(strcmp(p, "filelist") == 0){
-@@ -2296,7 +2452,8 @@
- file_name = mkstr(dirname, "/",
- file_name, NULL);
- }
-- pass1(file_name, FALSE, FALSE, FALSE, FALSE);
-+ pass1(file_name, FALSE, FALSE, FALSE, FALSE,
-+ FALSE);
- objects_specified++;
- file_name = addr + j + 1;
- }
-@@ -2314,7 +2471,8 @@
- break;
- case 'u':
- if(strcmp(p, "undefined") == 0 ||
-- strcmp(p, "umbrella") == 0){
-+ strcmp(p, "umbrella") == 0 ||
-+ strcmp(p, "unexported_symbols_list") == 0){
- i++;
- break;
- }
-@@ -2421,6 +2579,23 @@
- case 'w':
- if(strcmp(p, "weak_reference_mismatches") == 0)
- i++;
-+ else if(strcmp(p, "weak_library") == 0){
-+ pass1(argv[++i], FALSE, FALSE, FALSE, FALSE, TRUE);
-+ objects_specified++;
-+ }
-+ else if(strncmp(p, "weak-l", sizeof("weak-l") - 1) == 0){
-+ /* path searched abbrevated file name */
-+ pass1(argv[i] + sizeof("weak"), TRUE, FALSE, FALSE,
-+ FALSE, TRUE);
-+ objects_specified++;
-+ }
-+ else if(strcmp(p, "weak_framework") == 0){
-+ if(dynamic == FALSE)
-+ fatal("incompatible flag -weak_framework used (must"
-+ " specify \"-dynamic\" to be used)");
-+ pass1(argv[++i], FALSE, FALSE, TRUE, FALSE, TRUE);
-+ objects_specified++;
-+ }
- break;
- }
- }
-@@ -2511,6 +2686,38 @@
- layout();
-
- /*
-+ * Check to that the exported or unexported symbols listed were seen.
-+ */
-+ if(save_symbols != NULL){
-+ missing_syms = FALSE;
-+ for(j = 0; j < nsave_symbols ; j++){
-+ if(save_symbols[j].seen == FALSE){
-+ if(missing_syms == FALSE){
-+ error("symbols names listed in "
-+ "-exported_symbols_list: %s not in linked "
-+ "objects", exported_symbols_list);
-+ missing_syms = TRUE;
-+ }
-+ printf("%s\n", save_symbols[j].name);
-+ }
-+ }
-+ }
-+ if(remove_symbols != NULL){
-+ missing_syms = FALSE;
-+ for(j = 0; j < nremove_symbols ; j++){
-+ if(remove_symbols[j].seen == FALSE){
-+ if(missing_syms == FALSE){
-+ error("symbols names listed in "
-+ "-unexported_symbols_list: %s not in linked "
-+ "objects", unexported_symbols_list);
-+ missing_syms = TRUE;
-+ }
-+ printf("%s\n", remove_symbols[j].name);
-+ }
-+ }
-+ }
-+
-+ /*
- * If there were any errors from layout() then don't continue.
- */
- if(errors != 0)
-@@ -2718,7 +2925,9 @@
- int dummy;
- dummy = sig;
- #endif
-- cleanup();
-+ if(output_addr != NULL)
-+ unlink(outputfile);
-+ _exit(1);
- }
-
- /*
-diff -rub ld/ld.h ld/ld.h
---- ld/ld.h Tue Jan 14 23:35:24 2003
-+++ ld/ld.h Mon Aug 25 12:12:29 2003
-@@ -41,6 +41,7 @@
- STRIP_L_SYMBOLS,
- STRIP_DEBUG,
- STRIP_NONGLOBALS,
-+ STRIP_DYNAMIC_EXECUTABLE,
- STRIP_ALL
- };
-
-@@ -48,7 +49,9 @@
- enum undefined_check_level {
- UNDEFINED_ERROR,
- UNDEFINED_WARNING,
-- UNDEFINED_SUPPRESS
-+ UNDEFINED_SUPPRESS,
-+ UNDEFINED_DYNAMIC_LOOKUP,
-+ UNDEFINED_DEFINE_A_WAY
- };
-
- /* The error level check for (twolevel namespace) multiply defined symbols */
-@@ -96,6 +99,8 @@
- __private_extern__ char *outputfile;
- /* type of output file */
- __private_extern__ unsigned long filetype;
-+/* multi or single module dylib output */
-+__private_extern__ enum bool multi_module_dylib;
-
- /*
- * The architecture of the output file as specified by -arch and the cputype
-@@ -161,6 +166,18 @@
- __private_extern__ enum strip_levels strip_level;
- /* Strip the base file symbols (the -A argument's symbols) */
- __private_extern__ enum bool strip_base_symbols;
-+
-+#ifndef RLD
-+/*
-+ * Data structures to perform selective exporting of global symbols.
-+ * save_symbols is the names of the symbols from -exported_symbols_list
-+ * remove_symbols is the names of the symbols from -unexported_symbols_list
-+ */
-+__private_extern__ struct symbol_list *save_symbols;
-+__private_extern__ unsigned long nsave_symbols;
-+__private_extern__ struct symbol_list *remove_symbols;
-+__private_extern__ unsigned long nremove_symbols;
-+#endif /* RLD */
-
- /* The list of symbols to be traced */
- __private_extern__ char **trace_syms;
-Only in ld/: ld_dir
-diff -rub ld/literal_pointers.c ld/literal_pointers.c
---- ld/literal_pointers.c Tue Jan 14 23:35:25 2003
-+++ ld/literal_pointers.c Mon Aug 25 22:11:47 2003
-@@ -149,8 +149,8 @@
- */
- fine_relocs = allocate(nliterals * sizeof(struct fine_reloc));
- memset(fine_relocs, '\0', nliterals * sizeof(struct fine_reloc));
-- for(i = 0; i < nliterals; i++){
-- fine_relocs[i].output_offset = -1;
-+ for(j = 0; j < nliterals; j++){
-+ fine_relocs[j].output_offset = -1;
- }
- section_map->fine_relocs = fine_relocs;
- section_map->nfine_relocs = nliterals;
-@@ -374,15 +374,16 @@
- continue;
- }
- /*
-- * For dynamic shared library format files the merged sections that
-- * could have had external relocation entries must be resolved to
-- * private extern symbols. This is because for MH_DYLIB files all
-- * modules share the merged sections and the entire section gets
-- * relocated when the library is mapped in. So the above
-- * restriction assures the merged section will get relocated
-- * properly and can be shared amoung library modules.
-+ * For multi module dynamic shared library format files the
-+ * merged sections that could have had external relocation
-+ * entries must be resolved to private extern symbols. This is
-+ * because for multi module MH_DYLIB files all modules share the
-+ * merged sections and the entire section gets relocated when
-+ * the library is mapped in. So the above restriction assures
-+ * the merged section will get relocated properly and can be
-+ * shared amoung library modules.
- */
-- if(filetype == MH_DYLIB){
-+ if(filetype == MH_DYLIB && multi_module_dylib == TRUE){
- /*
- * If the symbol is undefined or not a private extern it is an
- * error for in this section for a MH_DYLIB file.
-@@ -390,21 +391,22 @@
- if(merged_symbol->nlist.n_type == (N_EXT | N_UNDF)){
- if(merged_symbol->error_flagged_for_dylib == 0){
- error_with_cur_obj("illegal undefined reference for "
-- "MH_DYLIB output file to symbol: %s from a literal "
-- "pointer section (section (%.16s,%.16s) relocation "
-- "entry: %lu)", merged_symbol->nlist.n_un.n_name,
-- s->segname, s->sectname, i);
-+ "multi module MH_DYLIB output file to symbol: %s "
-+ "from a literal pointer section (section (%.16s,"
-+ "%.16s) relocation entry: %lu)",
-+ merged_symbol->nlist.n_un.n_name, s->segname,
-+ s->sectname, i);
- merged_symbol->error_flagged_for_dylib = 1;
- }
- }
- else if((merged_symbol->nlist.n_type & N_PEXT) != N_PEXT){
- if(merged_symbol->error_flagged_for_dylib == 0){
- error_with_cur_obj("illegal external reference for "
-- "MH_DYLIB output file to symbol: %s (not a private "
-- "extern symbol) from a literal pointer section "
-- "(section (%.16s,%.16s) relocation entry: %lu)",
-- merged_symbol->nlist.n_un.n_name, s->segname,
-- s->sectname, i);
-+ "multi module MH_DYLIB output file to symbol: %s "
-+ "(not a private extern symbol) from a literal "
-+ "pointer section (section (%.16s,%.16s) relocation "
-+ "entry: %lu)", merged_symbol->nlist.n_un.n_name,
-+ s->segname, s->sectname, i);
- merged_symbol->error_flagged_for_dylib = 1;
- }
- }
-@@ -567,7 +569,7 @@
- * for this literal does not have an output_offset of -1 it is an error
- * because we have seen it before.
- */
-- if(fine_relocs[r_address/4].output_offset != -1){
-+ if((int)(fine_relocs[r_address/4].output_offset) != -1){
- error_with_cur_obj("more than one relocation entry for literal "
- "pointer at address 0x%x (r_address 0x%x) in section "
- "(%.16s,%.16s)", (unsigned int)(s->addr + r_address),
-@@ -606,16 +608,16 @@
- /*
- * The number of relocation entries in the output file is based
- * on one of three different cases:
-- * The output file is a dynamic shared library file
-+ * The output file is a multi module dynamic shared library
- * The output file has a dynamic linker load command
- * The output does not have a dynamic linker load command
- */
-- if(filetype == MH_DYLIB){
-+ if(filetype == MH_DYLIB && multi_module_dylib == TRUE){
- /*
-- * For dynamic shared library files there are no external
-- * relocation entries that will be left as external as
-- * checked above. Only non-sectdiff local relocation
-- * entries are kept. Modules of dylibs are not linked
-+ * For a multi module dynamic shared library there are no
-+ * external relocation entries that will be left as external as
-+ * checked above. Only non-sectdiff local relocation entries
-+ * are kept. Modules of multi module dylibs are not linked
- * together and can only be slid keeping all sections
- * relative to each other the same.
- */
-diff -rub ld/m88k_reloc.c ld/m88k_reloc.c
---- ld/m88k_reloc.c Tue Jan 14 23:35:25 2003
-+++ ld/m88k_reloc.c Mon Aug 25 22:11:47 2003
-@@ -373,13 +373,13 @@
- /*
- * If the symbol is undefined (or common) or a global coalesced
- * symbol where we need to force an external relocation entry
-- * and we are not prebinding no relocation is done.
-- * Or if the output file is MH_DYLIB no relocation is done
-+ * and we are not prebinding no relocation is done. Or if the
-+ * output file is a multi module MH_DYLIB no relocation is done
- * unless the symbol is a private extern or we are prebinding.
- */
- if(((merged_symbol->nlist.n_type & N_TYPE) == N_UNDF) ||
- (force_extern_reloc == TRUE && prebinding == FALSE) ||
-- (filetype == MH_DYLIB &&
-+ ((filetype == MH_DYLIB && multi_module_dylib == TRUE) &&
- (((merged_symbol->nlist.n_type & N_PEXT) != N_PEXT) &&
- prebinding == FALSE) ) )
- value = 0;
-@@ -910,18 +910,19 @@
- * For external relocation entries that the symbol is
- * defined (not undefined or common) but not when we are
- * forcing an external relocation entry for a global
-- * coalesced symbol and if the output file is not MH_DYLIB
-- * or the symbol is a private extern it is changed to a
-- * local relocation entry using the section that symbol is
-- * defined in. If still undefined or forcing an external
-- * relocation entry for a global coalesced symbol then the
-- * index of the symbol in the output file is set into
-- * r_symbolnum.
-+ * coalesced symbol and if the output file is not a multi
-+ * module MH_DYLIB or the symbol is a private extern, it is
-+ * changed to a local relocation entry using the section
-+ * that symbol is defined in. If still undefined or forcing
-+ * an external relocation entry for a global coalesced
-+ * symbol, then the index of the symbol in the output file
-+ * is set into r_symbolnum.
- */
- else if((merged_symbol->nlist.n_type & N_TYPE) != N_UNDF &&
- (merged_symbol->nlist.n_type & N_TYPE) != N_PBUD &&
- force_extern_reloc == FALSE &&
-- (filetype != MH_DYLIB ||
-+ ((filetype != MH_DYLIB ||
-+ multi_module_dylib == FALSE) ||
- (merged_symbol->nlist.n_type & N_PEXT) == N_PEXT)){
- reloc->r_extern = 0;
- /*
-Only in ld/: make.h
-Only in ld/: makeUser.c
-diff -rub ld/mod_sections.c ld/mod_sections.c
---- ld/mod_sections.c Tue Jan 14 23:35:25 2003
-+++ ld/mod_sections.c Mon Aug 25 22:11:47 2003
-@@ -56,8 +56,8 @@
- */
- static struct merged_section *dylib_ms_init = NULL;
- static struct merged_section *dylib_ms_term = NULL;
--static unsigned long ninit = 0;
--static unsigned long nterm = 0;
-+__private_extern__ unsigned long ninit = 0;
-+__private_extern__ unsigned long nterm = 0;
- #endif /* !defined(RLD) */
-
- /*
-diff -rub ld/mod_sections.h ld/mod_sections.h
---- ld/mod_sections.h Tue Apr 30 00:37:20 2002
-+++ ld/mod_sections.h Mon Aug 25 12:12:29 2003
-@@ -28,6 +28,8 @@
- /*
- * Global types, variables and routines declared in the file modinit_sections.c.
- */
-+__private_extern__ unsigned long ninit;
-+__private_extern__ unsigned long nterm;
-
- __private_extern__ void mod_section_merge(
- void *data,
-diff -rub ld/notes ld/notes
---- ld/notes Tue Jan 14 23:35:25 2003
-+++ ld/notes Mon Aug 25 12:12:29 2003
-@@ -23,6 +23,420 @@
- - For m68k builds -finline-functions crashes the compiler (used in the Makefile
- on the ld_build target).
-
-+Changes for the 5.12 release (the cctools-477 release):
-+- Picked up changes to kld interfaces. Changes in rld.c and layout.c .
-+ Radar bug #3270588.
-+
-+Changes for the 5.12 release (the cctools-473 release):
-+- Fixed a bug with the use of a modulus operator on a signed value which caused
-+ a crash. The fix was to cast to unsigned long not long. The problem was in
-+ lookup_indirect_item() in indirect_sections.c when it used the modulus
-+ operator to come up with a hash value. Radar bug #3255992.
-+
-+Changes for the 5.12 release (the cctools-472 release):
-+- Moved the #ifndef RLD in output_local_symbols() in symbols.c down so that
-+ the call to swap_nlist() is not ifdef'ed out. This allows cross building of
-+ a kernel's symbol file with kld. Radar bug #3251273.
-+
-+Changes for the 5.12 release (the cctools-471 release):
-+- Backed out the change to call to _exit() in ld_exit() in ld.c in Radar bug
-+ #3237013 as it does not flush the stdio buffers. Then changed the handler()
-+ routine in ld.c used for signals to not call ld_exit() and instead unlink(2)
-+ the output file if one was created and call _exit(1). Radar bug #3245341.
-+- Fixed a problem in the kld libraries where the code that was not ignoring the
-+ alignment of non-regular non-zerofill sections from the base file. A missing
-+ #ifdef KLD and test of the base file was needed on one more place in
-+ merge_sections() in sections.c . Radar bug #3245534.
-+
-+Changes for the 5.12 release (the cctools-470 release):
-+- Changed the call to exit() in ld_exit() in ld.c to _exit as it was causing a
-+ hang in dyld when used with signal handlers. Radar bug #3237013.
-+- Added the flag -search_paths_first to cause -lx flags to search each path
-+ for .dylib then .a before searching next path. Radar bug #3176974.
-+ - Added the enum bool variable search_paths_first to pass1.c and pass1.h and
-+ code to parse out the option and set variable in main() in ld.c .
-+ - The new static routines search_paths_for_lname() and search_path_for_lname()
-+ were added to pass1.c .
-+ - In pass1() in pass1.c a test of the new search_paths_first variable is done
-+ and if TRUE then search_paths_for_lname() is called.
-+
-+Changes for the 5.12 release (the cctools-468 release):
-+- Added support to force a dynamic library to be marked weak in the output.
-+ This can be done using these three flags:
-+ -weak_framework Foo
-+ -weak-lx
-+ -weak_library library_filename
-+ Radar bug #3069758.
-+ - Added parsing out "-weak_framework", "-weak-lx"and "-weak_library" to
-+ ld.c and calling pass1() with the force_weak parameter as TRUE.
-+ - Added the new boolean parameter force_weak to pass1() in pass1.c and
-+ pass1.h . Changed the existing calls to pass1() in ld.c to pass the new
-+ boolean parameter force_weak as FALSE.
-+ - Added the new boolean parameter force_weak to pass1_fat(), pass1_archive()
-+ and pass1_object() in pass1.c . Propagated the passing of this new
-+ parameter down through the calls. And passed it as FALSE in call to
-+ pass1_fat() and pass1_object() from open_dylib().
-+ - Added the new boolean parameter force_weak to merge() in pass1.c . And
-+ passed this as the parameter force_weak parameter or FALSE in the existing
-+ calls.
-+ - Added the new boolean parameter force_weak to merge_dylibs() in dylibs.c and
-+ dylibs.h . After the call to add_dynamic_lib() the parameter force_weak is
-+ set into the field force_weak_dylib in the dynamic_library struct.
-+ - Added the boolean field force_weak_dylib to the dynamic_library structure
-+ in pass1.h .
-+ - Changed merge_dylib_module_symbols() in symbols.c to test the
-+ force_weak_dylib field of the dynamic_library structure and if TRUE set the
-+ N_WEAK_REF bit on the merged symbol to mark the symbol as a weak reference.
-+
-+Changes for the 5.12 release (the cctools-468 release):
-+- Added support for the new use of the previously unused value 3 for r_length
-+ to mean that the conditional branch was predicted using the Y-bit and the
-+ sign of the displacement and opcode. Radar bug #3223045.
-+ - Changed ppc_reloc() in ppc_reloc.c to correctly flip the Y-bit for
-+ PPC_RELOC_BR14 r_types with an r_length value of 3 for branch conditions
-+ that are not branch always and the sign of the displacement is different
-+ after relocation.
-+- Fixed a problem when linking against stub libraries that the dependencies of
-+ the stub libraries were getting recored in the output file. This caused them
-+ to have LC_LOAD_DYLIB load commands which inturn messed up the recorded
-+ library ordinals. The fix is in merge_dylibs() in dylibs.c to add a check
-+ that the object's file type was not MH_DYLIB_STUB. Radar bug #3220772.
-+
-+Changes for the 5.12 release (the cctools-467 release):
-+- Added support for the PPC_RELOC_LO14_SECTDIFF relocation type used with
-+ double word load/store instructions. Radar bug #3218027.
-+ - Changed ppc_reloc() in ppc_reloc.c treat a PPC_RELOC_LO14_SECTDIFF as it
-+ other PowerPC section difference relocation entries and expect it to have
-+ a pair. And added cases for PPC_RELOC_LO14_SECTDIFF to relocate it as it
-+ would for PPC_RELOC_LO14.
-+
-+Changes for the 5.12 release (the cctools-466 release):
-+- Added the new treatment of "-undefined define_a_way" to define all undefined
-+ symbols as private extern symbols. This is a temporary work around to not
-+ having dead-code stripping that also strips the undefined references from
-+ dead code. Radar bug 3216770.
-+ - Added the undefined_check_level enum UNDEFINED_DEFINE_A_WAY to ld.h .
-+ - Added parsing out "-undefined define_a_way" in main() in ld.c and modified
-+ checks to allow its use with -twolevel_namespace.
-+ - Added the define_a_way bit field in the merged_symbol struct in symbols.h .
-+ - Added the define_undefined_symbols_a_way() routine to symbols.c and
-+ symbols.h . This routines sets up the undefined symbols to be defined and
-+ sets the define_a_way bit field in the merged_symbol.
-+ - Added code at the end of define_link_editor_dylib_symbols() in symbols.c to
-+ loop through the symbol table and set the address of the symbols with the
-+ define_a_way bit field set.
-+ - In layout() in layout.c after it sets up the link editor defined symbols
-+ a check of the undefined_flag for UNDEFINED_DEFINE_A_WAY is made and if so
-+ a call to define_undefined_symbols_a_way() is made.
-+- Fixed the incorrect casts on the comparison of the nlist struct's n_strx field
-+ where the value being compared to was casted to a long. The correct fix was
-+ to cast n_strx to an unsigned long.
-+- Added the "-undefined dynamic_lookup" option for use in two-level namespace
-+ images to all undefined symbols to be looked up dynamically with flat
-+ namespace semantics. Radar bug #3210803.
-+ - Added the undefined_check_level enum UNDEFINED_DYNAMIC_LOOKUP to ld.h .
-+ - Added parsing out "-undefined dynamic_lookup" in main() in ld.c and modified
-+ checks to allow its use with -twolevel_namespace. Also added checks when
-+ "-undefined dynamic_lookup" is not allowed for -static and when
-+ MACOSX_DEPLOYMENT_TARGET is less than 10.3 .
-+ - Changed process_undefineds() in symbols.c to changed its check of
-+ undefined_flag != UNDEFINED_SUPPRESS
-+ to
-+ (undefined_flag == UNDEFINED_ERROR ||
-+ undefined_flag == UNDEFINED_WARNING)
-+ and added an else cause to that if to check if undefined_flag is
-+ UNDEFINED_DYNAMIC_LOOKUP and then set the library ordinal to
-+ DYNAMIC_LOOKUP_ORDINAL if -r is not used and two-level namespace is in
-+ effect.
-+ - Changed check_symbol() in symbols.c to not treat a symbol with the library
-+ ordinal DYNAMIC_LOOKUP_ORDINAL as an error.
-+ - Changed merge_dylib_module_symbols() in symbols.c in the second loop that
-+ loops through the symbols referenced by the dylib module when it is doing
-+ symbol tracing to check the library_ordinal for DYNAMIC_LOOKUP_ORDINAL.
-+ And if it is DYNAMIC_LOOKUP_ORDINAL not use it as a library ordinal and
-+ let it just get printed as an unbounded reference.
-+ - Changed merge_dylib_module_symbols() in symbols.c in the second loop where
-+ it resolves the undefined references and changed the logic where it selects
-+ how to resolve the symbol. It now sets a new boolean, resolve_flat, based
-+ on the old logic plus looking at library_ordinal for DYNAMIC_LOOKUP_ORDINAL.
-+ - Changed search_dynamic_libs() in pass1.c when it is has an undefined symbol
-+ from a two-level namespace image to check the library ordinal for
-+ DYNAMIC_LOOKUP_ORDINAL and if so treat it an internal error. Since the
-+ above change to merge_dylib_module_symbols() should never let this happen.
-+ - Also added this same check as above and internal error message to
-+ process_undefineds() in symbols.c in two places. Also added a missing
-+ check in the loop looking for previous undefined two-level namespace symbols
-+ that did not check the twolevel_reference field before using the
-+ library_ordinal. And added a check for DYNAMIC_LOOKUP_ORDINAL in the
-+ loop the prints the references in the -Y loop.
-+
-+Changes for the 5.12 release (the cctools-464 release):
-+- Changed the they way N_BINCL stabs with non-zero n_value fields are handled so
-+ the n_value is not changed. Radar bug #3201935.
-+ - Added field input_N_BINCL_n_value to the struct localsym_block in symbols.h
-+ - In merged_symbols() in symbols.c when a new N_BINCL is found the n_value
-+ of the N_BINCL nlist is saved in the input_N_BINCL_n_value field. And if
-+ not zero the variable sum is set to that value. Later when a new symbol in
-+ the group in encountered if input_N_BINCL_n_value is not zero then the
-+ string for that symbol is not sum'ed.
-+
-+Changes for the 5.12 release (the cctools-464 release):
-+- Made changes to build cleanly with gcc3.3
-+ - Removed -Wno-precomp from the Makefile
-+ - Fixed warnings for "comparison between signed and unsigned" in ld.c,
-+ layout.c, pass2.c, literal_pointers.c, pass1.c, rld.c and sets.c .
-+
-+Changes for the 5.12 release (the cctools-463 release):
-+- Added support for linking against MH_DYLIB_STUB libraries. Radar bug #3193744.
-+ - Added a check for the MH_DYLIB_STUB filetype along with MH_DYLIB in
-+ merge_symbols() in symbols.c .
-+ - Added the testing of the filetype not being MH_DYLIB_STUB along with
-+ testing of the section type not being S_ZEROFILL before checking the size
-+ and offset of the section contents in check_cur_obj() in pass1.c .
-+ - Added the testing for MH_DYLIB_STUB along with MH_DYLIB in a few places
-+ in check_cur_obj() in pass1.c for various error checks.
-+ - Changed the setting of cur_obj->dylib in check_cur_obj() in pass1.c to
-+ include the MH_DYLIB_STUB filetype.
-+
-+Changes for the 5.12 release (the cctools-462 release):
-+- Fixed a bug in the displacement overflow checking of a PPC_RELOC_BR14
-+ relocation entry. The mask that was used was 0xfffe0000 which should
-+ have been 0xffff8000 in the PPC_RELOC_BR14 cases in ppc_reloc.c .
-+ Radar bug #3190434.
-+
-+Changes for the 5.12 release (the cctools-457 release):
-+- For the -single_module dylib case the symbol stubs for coalesced private
-+ extern symbols were not being removed when they could be. The change is in
-+ indirect_section_merge() in indirect_sections.c after the test if the
-+ merged symbol is a coalesced symbol the if statement on line 373. An
-+ additional case was added to the if expression such that if the output file
-+ is a dylib and not multi-module and the symbol is private extern then the
-+ expression is TRUE and indirect_defined is set to TRUE. Radar bug #3163714.
-+
-+Changes for the 5.12 release (the cctools-456 release):
-+- Changed XBS_TRACE_BUNDLE_LOADER to LD_TRACE_BUNDLE_LOADER in ld.c. Radar bug
-+ #3152604.
-+
-+Changes for the 5.12 release (the cctools-454 release):
-+- Fixed a bug when using the -m flag and having a multiple definition of a
-+ private extern symbol. The problem was in merge_symbols the counts of
-+ private exterals are first incremented. Then after multiply_defined() is
-+ called a check was needed to see if allow_multiply_defined_symbols is TRUE
-+ (the -m flag specified) and the counts for private exterals needed to be
-+ decremented. Radar bug #3143764.
-+- Fixed a bug when creating an indirect symbol when the referenced symbol is
-+ a private extern symbol that causes an internal overlap error. Radar bug
-+ #3134759.
-+ - Added code in reduce_indr_symbols() in symbols.c so the N_PEXT bit is
-+ checked and then the counts of private exterals (nmerged_private_symbols)
-+ and the object's count (nprivatesym) are incremented.
-+ - Changed assign_output_symbol_indexes() in symbols.c to check the N_PEXT
-+ bit of the indirect symbol if the symbol is N_INDR to correctly determine
-+ if the symbol is a private extern symbol in the two places it checks this
-+ bit.
-+
-+Changes for the 5.12 release (the cctools-450 release):
-+- Added some double quotes in the Makefile around uses of `pwd` to be "`pwd`" so
-+ if this were in a directory with a space it would work. Radar bug #3114622.
-+- Changed is_output_local_symbol() in symbols.c to strip symbols in sections
-+ with the S_ATTR_STRIP_STATIC_SYMS attribute. To do this n_ssect and the
-+ object struct that the symbol came from is passed to is_output_local_symbol().
-+ Radar bug #3114458.
-+- Changed the -x flag to strip private externs that will be local symbols in the
-+ output file. Radar bug #3114182.
-+ - Changed is_output_local_symbol() in symbols.c for the STRIP_NONGLOBALS case
-+ (the -x flag) to return FALSE causing all local symbols to be stripped.
-+ This strips private externs that were local symbols in the input object
-+ files.
-+ - Changed assign_output_symbol_indexes() in symbols.c to rebuild the merged
-+ string table if we are stripping non-globals and we are not keeping private
-+ externs and we have some private externs in the merged symbol table, and the
-+ output is not a multi-module dylib. Then if this is the case the number of
-+ private externs in each object is added to nstripped_merged_symbols so those
-+ symbols are not counted.
-+ - Changed output_merged_symbols() in symbols.c to check the strip_level for
-+ STRIP_NONGLOBALS, and the output is not a multi-module dylib and not put ou
-+ private externs in this case.
-+
-+Changes for the 5.12 release (the cctools-447 release):
-+- Fixed a problem with -x not stripping STABS with the P_EXT bit on them. The
-+ odd stab:
-+ 00000000 - 00 0000 3c gcc2_compiled.
-+ was not stripped because of a bug in is_output_local_symbol() in symbols.c in
-+ the STRIP_NONGLOBALS because it did not first check for N_STAB bits in n_type.
-+ Radar bug #3104019.
-+- Added the -noprebind_all_twolevel_modules flag that overrides the setting
-+ of the environment variable LD_PREBIND_ALL_TWOLEVEL_MODULES. The changes are
-+ in ld.c . Radar bug #3055372.
-+- Fixed a bug that was causing dynamic libraries that had nothing referenced in
-+ them that also were used indirectly that did have symbols indirectly
-+ referenced in them to be LC_LOAD_WEAK_DYLIB. The problem was that references
-+ from dylibs that were were causing the some_symbols_referenced field to be
-+ set for the dylib. The fix was to merge_dylib_module_symbols() symbols.c
-+ where it sets some_symbols_referenced. Radar bug #3094497.
-+- Removed the const off of link_edit_common_object in symbols.[ch] to get rid
-+ of warnings and since it is now written on.
-+
-+Changes for the 5.11 release (the cctools-446 release):
-+- Changed it so that when -s is used on a dynamic dynamic executable it rebuilds
-+ the string table in assign_output_symbol_indexes() in symbols.c so that the
-+ symbol names for the discarded symbols don't end up in the string table.
-+ Radar bug #3089997.
-+- Fixed a bug when using an export list and not listing a common symbol would
-+ cause an internal overlap error. Radar bug #3088916.
-+ - Changed define_common_symbols() in symbols.c right after
-+ exports_list_processing() is called to check the N_PEXT bit and increment
-+ the counts of private exterals. Both the object's count (nprivatesym) and
-+ the global count (nmerged_private_symbols).
-+ - Changed assign_output_symbol_indexes() in symbols.c to add the
-+ link_edit_common_object object to the list of objects before counting
-+ and assigning indexes to private extern symbols. Then at the end of the
-+ loop copying back the updated object and taking it back off the list.
-+
-+Changes for the 5.11 release (the cctools-445 release):
-+- Changed the semantics of -s on dynamic executables to do the same stripping
-+ as strip(1) with no arguments. That is only save undefined symbols and
-+ global symbols marked referenced dynamically. Radar bug #2545288.
-+ - Added the STRIP_DYNAMIC_EXECUTABLE enum value to strip_levels in ld.h .
-+ - Added the variable nstripped_merged_symbols to symbols.c and symbols.h to
-+ set to the number of merged symbol being stripped out. This is non-zero
-+ when the strip_level is STRIP_DYNAMIC_EXECUTABLE.
-+ - Changed assign_output_symbol_indexes() in symbols.c so that if strip_level
-+ is STRIP_ALL and has_dynamic_linker_command is set to change strip_level
-+ to STRIP_DYNAMIC_EXECUTABLE;
-+ - Changed assign_output_symbol_indexes() to assign indexes to only undefined
-+ symbols and global symbols marked referenced dynamically and add up the
-+ number of merged symbol being stripped out into nstripped_merged_symbols.
-+ - Added the case label for STRIP_DYNAMIC_EXECUTABLE in
-+ is_output_local_symbol() in symbols.c to also return FALSE.
-+ - Changed output_merged_symbols() in symbols.c to check the strip_level for
-+ STRIP_DYNAMIC_EXECUTABLE and the REFERENCED_DYNAMICALLY of the symbol
-+ and not put out those symbols in that case.
-+ - Changed layout_segments() in layout.c when setting the
-+ linkedit_segment.sg.filesize and output_symtab_info.symtab_command.nsyms
-+ to subtract nstripped_merged_symbols.
-+ - Fixed a typo in an error message in output_indirect_symbols() in
-+ indirect_sections.c (changed "containg" to "containing").
-+
-+Changes for the 5.11 release (the cctools-444 release):
-+- Added the -exported_symbols_list and -unexported_symbols_list flags. Radar
-+ bug #3083844.
-+ - Changes in ld.c and ld.h for adding the save_symbols and remove_symbols
-+ variables and parsing and checking the flags. As well as checking to see
-+ that the symbols were seen after pass1.
-+ - Changed merge_symbol() in symbols.c to check if the symbol is on the
-+ save_symbols or remove_symbols list and set the N_PEXT bit as needed.
-+- Fixed a problem with ppc JSR's and doing an ld -r where the JBSR has an
-+ external relocation entry and the symbol is not defined in the output.
-+ The code in ppc_reloc.c was:
-+ if(r_extern){
-+ value += offset;
-+ other_half = value;
-+ }
-+ else{
-+ value += other_half;
-+ other_half = value;
-+ }
-+ And in the case of an external relocation entry where the symbol was
-+ undefined 'offset' was not set. For JBSR external relocation entries the
-+ offset part of "symbol+offset" is stored in the PAIR relocation entry in
-+ 'other_half'. This is because the displacement of the bl instruction is for
-+ the branch island. So the correct code works out to be the same as the
-+ non-extern case and was changed to just this:
-+ value += other_half;
-+ other_half = value;
-+ Radar bug #3054747.
-+
-+Changes for the 5.11 release (the cctools-443 release):
-+- Added the -single_module and -multi_module flags. Radar bug #3080780.
-+ - Changes in ld.c and ld.h for adding the boolean multi_module_dylib and
-+ parsing and checking the flags.
-+ - Changed one place in coalesced_sections.c in coalesced_section_merge()
-+ where the number of relocation is determined. The MH_DYLIB case was changed
-+ to include multi_module_dylib == TRUE.
-+ - Changed two places in the relocation routines in generic_reloc.c,
-+ i860_reloc.c, m88k_reloc.c, sparc_reloc.c, hppa_reloc.c and ppc_reloc.c.
-+ For external relocation entries where the symbol is defined, if the output
-+ file is a multi_module dylib no relocation is done unless the symbol is a
-+ private extern or we are prebinding. In this case the relocation entry is
-+ left as extern. For single_module dylibs the relocation is done and the
-+ relocation entry turned into a local relocation entry.
-+ - Changed two places in the relocation routines in hppa_reloc.c and
-+ ppc_reloc.c for JBSR relocations. The JBSR relocation code does not do
-+ relocation if multi_module dylib. but will do it for a single_module dylib.
-+ - Changed indirect_sections.c in indirect_section_merge() in three places:
-+ - The fine relocation entry for defined external symbols are kept in dylibs
-+ if it is a multi_module dylib (not kept for single_module dylibs).
-+ - The check external relocation entries resolving to private extern being is
-+ flagged as an error is only done for multi_module dylibs.
-+ - The code that counts up the relocation entries, was changed in the dylib
-+ case to include multi_module_dylib == TRUE.
-+ - Changed literal_pointers.c in two places:
-+ - In literal_pointer_merge() the check external relocation entries resolving
-+ to private extern being is flagged as an error is only done for
-+ multi_module dylibs.
-+ - In the static count_reloc() routine where the number of relocation is
-+ determined, the MH_DYLIB case was changed to include
-+ multi_module_dylib == TRUE.
-+ - Changed objects.c in three places:
-+ - In object_index() zero is returned when multi_module_dylib == FALSE.
-+ - In fine_reloc_output_address() if the reloc is in a symbol stub section
-+ and the symbol is defined and it is not in a multi_module dylib then
-+ the merge symbol value from the fine_reloc is used.
-+ - In fine_reloc_output_sectnum() if the reloc is in a symbol stub section
-+ and the symbol is defined and it is not in a multi_module dylib then
-+ the merge symbol section number from the fine_reloc is used.
-+ - Changed sections.c in three places:
-+ - In layout_relocs_for_dyld() the check that merged sections don't have
-+ any external relocation entries in dylibs had multi_module_dylib == TRUE
-+ added to it.
-+ - In count_relocs() the dylib case for the code counting the number of
-+ relocation entries had multi_module_dylib == TRUE added to it.
-+ - In reloc_output_for_dyld() a matching change for the above change to
-+ count_relocs() was made for the dylib case addin multi_module_dylib ==TRUE
-+ to it.
-+ - Changed many places in symbols.c:
-+ - In the routine merge_symbols()
-+ - The number of defined externals is now only counted in the multi
-+ module dylib case (need to be able allocate the reference maps).
-+ - For a merged symbol that is a weak definition that is discarded, the
-+ symbol counts for the reference map are adjusted and the reference
-+ flags are updated only in the multi_module dylib case.
-+ - The reference map flags are only set in the multi_module dylib case.
-+ - In the routine command_line_symbol() and command_line_indr_symbol() the
-+ reference map flags are set only in the multi_module dylib case.
-+ - In the routine merge_dylib_module_symbols() and
-+ merge_bundle_loader_symbols() for a merged symbol that is a weak
-+ definition that is discarded, the symbol counts for the reference map are
-+ adjusted and the reference flags are updated only in the multi_module
-+ dylib case.
-+ - In define_common_symbols() a check for multi_module dylib is made and
-+ it is an error if there is a common symbol to define. Also the traceing
-+ of commons is not done in dylib if multi_module_dylib == TRUE.
-+ - In setup_link_editor_symbols() the code is not changed for the one place
-+ that MH_DYLIB is used. As the reference table will be ignored and
-+ output_dysymtab_info.dysymtab_command.nextrefsyms will be reset
-+ layout_dylib_tables() for single module dylibs.
-+ - In output_merged_symbols() the N_INDR symbols are set to the defining
-+ symbol if it is a multi_module dylib and defined in the same object or
-+ in a single module dylib.
-+ - In layout_dylib_tables() the existing code for the reference table and
-+ module table where placed in if statements with multi_module_dylib == TRUE
-+ and new code was added for the single module case. For the reference
-+ table its size is reset based on the defined and undefined merged symbols.
-+ The module table size is one and a variable, dylib_single_module_name, was
-+ added to save the pointer to the module name in the merged symbol table.
-+ - In output_dylib_tables() the existing code for the reference table and
-+ module table where placed in if statements with multi_module_dylib == TRUE
-+ and new code was added for the single module case. For the reference
-+ table its is built from the merged symbol table's defined and undefined
-+ symbols. The one module table entry is built from the a variable,
-+ dylib_single_module_name, which is a pointer to the module name in the
-+ merged symbol table and the values in output_dysymtab_info.
-+ -Changed mod_sections.c and mod_sections.h so that ninit and nterm were
-+ __private_extern__ so that output_dylib_tables() in symbols.c could use
-+ them for the single module dylib module table entry.
-+
- Changes for the 5.11 release (the cctools-440 release):
- - Fixed the warnings about extra tokens at end of #endif directive in
- 4byte_literals.c, 8byte_literals.c, coalesced_sections.c, cstring_literals.c,
-diff -rub ld/objects.c ld/objects.c
---- ld/objects.c Tue Jan 14 23:35:25 2003
-+++ ld/objects.c Mon Aug 25 22:11:47 2003
-@@ -110,7 +110,7 @@
- /*
- * object_index() returns the index into the module table for a object file
- * structure. It is only used in the creation of the table of contents entries
-- * in a MH_DYLIB file.
-+ * in a multi module MH_DYLIB file.
- */
- __private_extern__
- unsigned long
-@@ -121,6 +121,8 @@
- struct object_list *object_list, **p;
- struct object_file *cmp_obj;
-
-+ if(multi_module_dylib == FALSE)
-+ return(0);
- index = 0;
- for(p = &objects; *p; p = &(object_list->next)){
- object_list = *p;
-@@ -417,6 +419,7 @@
- else if((map->s->flags & SECTION_TYPE) == S_SYMBOL_STUBS &&
- fine_reloc->indirect_defined == TRUE){
- if(filetype != MH_DYLIB ||
-+ (filetype == MH_DYLIB && multi_module_dylib == FALSE) ||
- (cur_obj == fine_reloc->merged_symbol->definition_object &&
- input_offset - fine_reloc->input_offset == 0)){
- if(cur_obj == fine_reloc->merged_symbol->definition_object)
-@@ -559,7 +562,7 @@
- }
- else if((map->s->flags & SECTION_TYPE) == S_SYMBOL_STUBS &&
- fine_reloc->indirect_defined == TRUE &&
-- filetype != MH_DYLIB){
-+ (filetype != MH_DYLIB || multi_module_dylib == FALSE)){
- merged_symbol = (struct merged_symbol *)fine_reloc->output_offset;
- if((merged_symbol->nlist.n_type & N_TYPE) == N_INDR)
- merged_symbol = (struct merged_symbol *)
-Only in ld/: optimized_obj
-Only in ld/: otmp_obj
-diff -rub ld/pass1.c ld/pass1.c
---- ld/pass1.c Tue Jan 14 23:35:25 2003
-+++ ld/pass1.c Mon Aug 25 22:11:47 2003
-@@ -71,6 +71,9 @@
- #include "sets.h"
-
- #ifndef RLD
-+/* TRUE if -search_paths_first was specified */
-+__private_extern__ enum bool search_paths_first = FALSE;
-+
- /* the user specified directories to search for -lx names, and the number
- of them */
- __private_extern__ char **search_dirs = NULL;
-@@ -156,6 +159,15 @@
- char *name,
- char **file_name,
- int *fd);
-+static void search_paths_for_lname(
-+ const char *lname_argument,
-+ char **file_name,
-+ int *fd);
-+static void search_path_for_lname(
-+ const char *dir,
-+ const char *lname_argument,
-+ char **file_name,
-+ int *fd);
- #endif /* !defined(RLD) */
-
- static void pass1_fat(
-@@ -164,7 +176,8 @@
- unsigned long file_size,
- enum bool base_name,
- enum bool dylib_only,
-- enum bool bundle_loader);
-+ enum bool bundle_loader,
-+ enum bool force_weak);
-
- static void pass1_archive(
- char *file_name,
-@@ -172,7 +185,8 @@
- unsigned long file_size,
- enum bool base_name,
- enum bool from_fat_file,
-- enum bool bundle_loader);
-+ enum bool bundle_loader,
-+ enum bool force_weak);
-
- static enum bool check_archive_arch(
- char *file_name,
-@@ -192,7 +206,8 @@
- enum bool base_name,
- enum bool from_fat_file,
- enum bool dylib_only,
-- enum bool bundle_loader);
-+ enum bool bundle_loader,
-+ enum bool force_weak);
-
- #ifndef RLD
- static void load_init_dylib_module(
-@@ -295,7 +310,8 @@
- enum bool lname,
- enum bool base_name,
- enum bool framework_name,
--enum bool bundle_loader)
-+enum bool bundle_loader,
-+enum bool force_weak)
- {
- int fd;
- char *file_name;
-@@ -335,13 +351,22 @@
- }
- else{
- if(dynamic == TRUE){
-+ if(search_paths_first == TRUE){
-+ search_paths_for_lname(&name[2], &file_name, &fd);
-+ }
-+ else{
- p = mkstr("lib", &name[2], ".dylib", NULL);
- search_for_file(p, &file_name, &fd);
-- }
- if(fd == -1){
- p = mkstr("lib", &name[2], ".a", NULL);
- search_for_file(p, &file_name, &fd);
- }
-+ }
-+ }
-+ else{
-+ p = mkstr("lib", &name[2], ".a", NULL);
-+ search_for_file(p, &file_name, &fd);
-+ }
- if(fd == -1)
- fatal("can't locate file for: %s", name);
- free(p);
-@@ -444,15 +469,15 @@
- new_archive_or_fat(file_name, file_addr, file_size);
- #endif /* RLD */
- pass1_fat(file_name, file_addr, file_size, base_name, FALSE,
-- bundle_loader);
-+ bundle_loader, force_weak);
- }
- else if(file_size >= SARMAG && strncmp(file_addr, ARMAG, SARMAG) == 0){
- pass1_archive(file_name, file_addr, file_size, base_name, FALSE,
-- bundle_loader);
-+ bundle_loader, force_weak);
- }
- else{
- pass1_object(file_name, file_addr, file_size, base_name, FALSE,
-- FALSE, bundle_loader);
-+ FALSE, bundle_loader, force_weak);
- }
- #ifdef VM_SYNC_DEACTIVATE
- vm_msync(mach_task_self(), (vm_address_t)file_addr,
-@@ -524,6 +549,65 @@
- }
- }
- }
-+
-+/*
-+ * search_paths_for_lname() takes the argument to a -lx option and and trys to
-+ * open a file with the name libx.dylib or libx.a. This routine is only used
-+ * when the -search_paths_first option is specified and -dynamic is in effect.
-+ * And looks for a file name ending in .dylib then .a in each directory before
-+ * looking in the next directory. The list of the -L search directories and in
-+ * the standard directories are searched in that order. If this is sucessful
-+ * it returns a pointer to the file name indirectly through file_name and the
-+ * open file descriptor indirectly through fd.
-+ */
-+static
-+void
-+search_paths_for_lname(
-+const char *lname_argument,
-+char **file_name,
-+int *fd)
-+{
-+ unsigned long i;
-+
-+ *fd = -1;
-+ for(i = 0; i < nsearch_dirs ; i++){
-+ search_path_for_lname(search_dirs[i], lname_argument, file_name,fd);
-+ if(*fd != -1)
-+ return;
-+ }
-+ for(i = 0; standard_dirs[i] != NULL ; i++){
-+ search_path_for_lname(standard_dirs[i],lname_argument,file_name,fd);
-+ if(*fd != -1)
-+ return;
-+ }
-+}
-+
-+/*
-+ * search_path_for_lname() takes the argument to a -lx option and and trys to
-+ * open a file with the name libx.dylib then libx.a in the specified directory
-+ * name. This routine is only used when the -search_paths_first option is
-+ * specified and -dynamic is in effect. If this is sucessful it returns a
-+ * pointer to the file name indirectly through file_name and the open file
-+ * descriptor indirectly through fd.
-+ */
-+static
-+void
-+search_path_for_lname(
-+const char *dir,
-+const char *lname_argument,
-+char **file_name,
-+int *fd)
-+{
-+ *file_name = mkstr(dir, "/", "lib", lname_argument, ".dylib", NULL);
-+ if((*fd = open(*file_name, O_RDONLY)) != -1)
-+ return;
-+ free(*file_name);
-+
-+ *file_name = mkstr(dir, "/", "lib", lname_argument, ".a", NULL);
-+ if((*fd = open(*file_name, O_RDONLY)) != -1)
-+ return;
-+ free(*file_name);
-+}
- #endif /* !defined(RLD) */
-
- #ifndef RLD
-@@ -549,7 +633,8 @@
- unsigned long file_size,
- enum bool base_name,
- enum bool dylib_only,
--enum bool bundle_loader)
-+enum bool bundle_loader,
-+enum bool force_weak)
- {
- struct fat_header *fat_header;
- #ifdef __LITTLE_ENDIAN__
-@@ -671,11 +756,11 @@
- goto pass1_fat_return;
- }
- pass1_archive(file_name, arch_addr, arch_size,
-- base_name, TRUE, bundle_loader);
-+ base_name, TRUE, bundle_loader, force_weak);
- }
- else{
- pass1_object(file_name, arch_addr, arch_size, base_name, TRUE,
-- dylib_only, bundle_loader);
-+ dylib_only, bundle_loader, force_weak);
- }
- goto pass1_fat_return;
- }
-@@ -697,11 +782,11 @@
- goto pass1_fat_return;
- }
- pass1_archive(file_name, arch_addr, arch_size, base_name, TRUE,
-- bundle_loader);
-+ bundle_loader, force_weak);
- }
- else{
- pass1_object(file_name, arch_addr, arch_size, base_name, TRUE,
-- dylib_only, bundle_loader);
-+ dylib_only, bundle_loader, force_weak);
- }
- goto pass1_fat_return;
- }
-@@ -729,11 +814,11 @@
- goto pass1_fat_return;
- }
- pass1_archive(file_name, arch_addr, arch_size,
-- base_name, TRUE, bundle_loader);
-+ base_name, TRUE, bundle_loader, force_weak);
- }
- else{
- pass1_object(file_name, arch_addr, arch_size, base_name, TRUE,
-- dylib_only, bundle_loader);
-+ dylib_only, bundle_loader, force_weak);
- }
- goto pass1_fat_return;
- }
-@@ -867,7 +952,8 @@
- unsigned long file_size,
- enum bool base_name,
- enum bool from_fat_file,
--enum bool bundle_loader)
-+enum bool bundle_loader,
-+enum bool force_weak)
- {
- unsigned long i, j, offset;
- #ifndef RLD
-@@ -1153,7 +1239,7 @@
- print_obj_name(cur_obj);
- print("loaded because of -all_load flag\n");
- }
-- merge(FALSE, FALSE);
-+ merge(FALSE, FALSE, force_weak);
- length = round(ar_size + ar_name_size, sizeof(short));
- offset = (offset - ar_name_size) + length;
- }
-@@ -1271,7 +1357,7 @@
- if(toc_byte_sex != host_byte_sex)
- swap_ranlib(ranlibs, nranlibs, host_byte_sex);
- for(i = 0; i < nranlibs; i++){
-- if(ranlibs[i].ran_un.ran_strx >= (long)string_size){
-+ if(ranlibs[i].ran_un.ran_strx >= string_size){
- error("malformed table of contents in: %s (ranlib struct %lu "
- "has bad string index, can't load from it)", file_name,i);
- return;
-@@ -1383,7 +1469,7 @@
- print("loaded because of -ObjC flag to get symbol: %s\n",
- bsearch_strings + ranlibs[i].ran_un.ran_strx);
- }
-- merge(FALSE, FALSE);
-+ merge(FALSE, FALSE, force_weak);
- }
- free(loaded_offsets);
- }
-@@ -1515,7 +1601,7 @@
- undefined->merged_symbol->nlist.n_un.n_name);
- }
-
-- merge(FALSE, FALSE);
-+ merge(FALSE, FALSE, force_weak);
-
- /* make sure this symbol got defined */
- if(errors == 0 &&
-@@ -1613,7 +1699,7 @@
- merged_symbol->nlist.n_un.n_name);
- }
-
-- merge(FALSE, FALSE);
-+ merge(FALSE, FALSE, force_weak);
-
- /* make sure this symbol got defined */
- if(errors == 0 &&
-@@ -1829,7 +1915,8 @@
- enum bool base_name,
- enum bool from_fat_file,
- enum bool dylib_only,
--enum bool bundle_loader)
-+enum bool bundle_loader,
-+enum bool force_weak)
- {
- #ifdef __MWERKS__
- enum bool dummy;
-@@ -1855,7 +1942,7 @@
- base_obj = cur_obj;
- #endif /* !defined(RLD) */
-
-- merge(dylib_only, bundle_loader);
-+ merge(dylib_only, bundle_loader, force_weak);
-
- #ifndef RLD
- /*
-@@ -2349,6 +2436,18 @@
- undefined->merged_symbol->nlist.n_desc);
- if(library_ordinal == SELF_LIBRARY_ORDINAL)
- p = undefined->merged_symbol->referencing_library;
-+ /*
-+ * Note that if library_ordinal was DYNAMIC_LOOKUP_ORDINAL then
-+ * merge_dylib_module_symbols() in symbols.c would not have
-+ * set the twolevel_reference field to TRUE in the merged_symbol
-+ * and if we get here it with this it is an internal error.
-+ */
-+ else if(library_ordinal == DYNAMIC_LOOKUP_ORDINAL)
-+ fatal("internal error: search_dynamic_libs() with a "
-+ "merged_symbol (%s) on the undefined list with "
-+ "twolevel_reference == TRUE and library_ordinal == "
-+ "DYNAMIC_LOOKUP_ORDINAL", undefined->merged_symbol->
-+ nlist.n_un.n_name);
- else
- p = undefined->merged_symbol->referencing_library->
- dependent_images[library_ordinal - 1];
-@@ -2615,7 +2714,7 @@
- undefined->merged_symbol->nlist.n_un.n_name);
- }
-
-- merge(FALSE, FALSE);
-+ merge(FALSE, FALSE, FALSE);
-
- /* make sure this symbol got defined */
- if(errors == 0 &&
-@@ -2688,7 +2787,7 @@
- undefined->merged_symbol->nlist.n_un.n_name);
- }
-
-- merge(FALSE, FALSE);
-+ merge(FALSE, FALSE, FALSE);
-
- /* make sure this symbol got defined */
- if(errors == 0 &&
-@@ -3464,11 +3563,12 @@
- if(fat_header->magic == SWAP_LONG(FAT_MAGIC))
- #endif /* __LITTLE_ENDIAN__ */
- {
-- pass1_fat(file_name, file_addr, file_size, FALSE, TRUE, FALSE);
-+ pass1_fat(file_name, file_addr, file_size, FALSE, TRUE, FALSE,
-+ FALSE);
- }
- else{
- pass1_object(file_name, file_addr, file_size, FALSE, FALSE, TRUE,
-- FALSE);
-+ FALSE, FALSE);
- }
- if(errors)
- return(FALSE);
-@@ -3800,7 +3900,8 @@
- void
- merge(
- enum bool dylib_only,
--enum bool bundle_loader)
-+enum bool bundle_loader,
-+enum bool force_weak)
- {
- unsigned long previous_errors;
-
-@@ -3857,7 +3958,7 @@
- /* if this object has any dynamic shared library stuff merge it */
- if(cur_obj->dylib_stuff){
- #ifndef RLD
-- merge_dylibs();
-+ merge_dylibs(force_weak);
- if(errors)
- goto merge_return;
- if(cur_obj->dylib)
-@@ -3898,9 +3999,9 @@
- * the dysymtab field, the section_maps and nsection_maps fields (this routine
- * allocates the section_map structures and fills them in too), the fvmlib_
- * stuff field is set if any SG_FVMLIB segments or LC_LOADFVMLIB commands are
-- * seen and the dylib_stuff field is set if the file is a MH_DYLIB type and
-- * has a LC_ID_DYLIB command or a LC_LOAD_DYLIB or LC_LOAD_WEAK_DLIB command is
-- * seen.
-+ * seen and the dylib_stuff field is set if the file is a MH_DYLIB or
-+ * MH_DYLIB_STUB type and has a LC_ID_DYLIB command or a LC_LOAD_DYLIB or
-+ * LC_LOAD_WEAK_DLIB command is seen.
- */
- static
- void
-@@ -4161,17 +4262,20 @@
- return;
- }
- if((mh->flags & MH_DYLDLINK) != 0 &&
-- (mh->filetype != MH_DYLIB && mh->filetype != MH_DYLINKER) &&
-+ (mh->filetype != MH_DYLIB &&
-+ mh->filetype != MH_DYLIB_STUB &&
-+ mh->filetype != MH_DYLINKER) &&
- bundle_loader == FALSE){
- error_with_cur_obj("is input for the dynamic link editor, is not "
- "relocatable by the static link editor again");
- return;
- }
- /*
-- * If this is a MH_DYLIB file then a single LC_ID_DYLIB command must be
-- * seen to identify the library.
-+ * If this is a MH_DYLIB or MH_DYLIB_STUB file then a single LC_ID_DYLIB
-+ * command must be seen to identify the library.
- */
-- cur_obj->dylib = (enum bool)(mh->filetype == MH_DYLIB);
-+ cur_obj->dylib = (enum bool)(mh->filetype == MH_DYLIB ||
-+ mh->filetype == MH_DYLIB_STUB);
- dlid = NULL;
- dylib_id_name = NULL;
- if(cur_obj->dylib == TRUE && dynamic == FALSE){
-@@ -4348,7 +4452,8 @@
- return;
- }
- /* check the size and offset of the contents if it has any*/
-- if(section_type != S_ZEROFILL){
-+ if(mh->filetype != MH_DYLIB_STUB &&
-+ section_type != S_ZEROFILL){
- check_size_offset_sect(s->size, s->offset, sizeof(char),
- "size", "offset", i, j, s->segname, s->sectname);
- if(errors)
-@@ -4569,14 +4674,16 @@
- filetype == MH_FVMLIB ? "MH_FVMLIB" : "MH_DYLINKER");
- return;
- }
-- if(mh->filetype != MH_DYLIB){
-+ if(mh->filetype != MH_DYLIB && mh->filetype != MH_DYLIB_STUB){
- error_with_cur_obj("LC_ID_DYLIB load command in non-"
-- "MH_DYLIB filetype");
-+ "%s filetype", mh->filetype == MH_DYLIB ? "MH_DYLIB" :
-+ "MH_DYLIB_STUB");
- return;
- }
- if(dlid != NULL){
- error_with_cur_obj("malformed object (more than one "
-- "LC_ID_DYLIB load command in MH_DYLIB file)");
-+ "LC_ID_DYLIB load command in %s file)", mh->filetype ==
-+ MH_DYLIB ? "MH_DYLIB" : "MH_DYLIB_STUB");
- return;
- }
- dl = (struct dylib_command *)lc;
-@@ -4655,14 +4762,17 @@
- filetype == MH_FVMLIB ? "MH_FVMLIB" : "MH_DYLINKER");
- return;
- }
-- if(mh->filetype != MH_DYLIB){
-+ if(mh->filetype != MH_DYLIB && mh->filetype != MH_DYLIB_STUB){
- error_with_cur_obj("LC_SUB_FRAMEWORK load command in non-"
-- "MH_DYLIB filetype");
-+ "%s filetype", mh->filetype == MH_DYLIB ? "MH_DYLIB" :
-+ "MH_DYLIB_STUB");
- return;
- }
- if(sub != NULL){
- error_with_cur_obj("malformed object (more than one "
-- "LC_SUB_FRAMEWORK load command in MH_DYLIB file)");
-+ "LC_SUB_FRAMEWORK load command in %s file)",
-+ mh->filetype == MH_DYLIB ? "MH_DYLIB" :
-+ "MH_DYLIB_STUB");
- return;
- }
- sub = (struct sub_framework_command *)lc;
-@@ -4699,9 +4809,10 @@
- filetype == MH_FVMLIB ? "MH_FVMLIB" : "MH_DYLINKER");
- return;
- }
-- if(mh->filetype != MH_DYLIB){
-+ if(mh->filetype != MH_DYLIB && mh->filetype != MH_DYLIB_STUB){
- error_with_cur_obj("LC_SUB_UMBRELLA load command in non-"
-- "MH_DYLIB filetype");
-+ "%s filetype", mh->filetype == MH_DYLIB ? "MH_DYLIB" :
-+ "MH_DYLIB_STUB");
- return;
- }
- usub = (struct sub_umbrella_command *)lc;
-@@ -4738,9 +4849,10 @@
- filetype == MH_FVMLIB ? "MH_FVMLIB" : "MH_DYLINKER");
- return;
- }
-- if(mh->filetype != MH_DYLIB){
-+ if(mh->filetype != MH_DYLIB && mh->filetype != MH_DYLIB_STUB){
- error_with_cur_obj("LC_SUB_LIBRARY load command in non-"
-- "MH_DYLIB filetype");
-+ "%s filetype", mh->filetype == MH_DYLIB ? "MH_DYLIB" :
-+ "MH_DYLIB_STUB");
- return;
- }
- lsub = (struct sub_library_command *)lc;
-@@ -4777,9 +4889,10 @@
- filetype == MH_FVMLIB ? "MH_FVMLIB" : "MH_DYLINKER");
- return;
- }
-- if(mh->filetype != MH_DYLIB){
-+ if(mh->filetype != MH_DYLIB && mh->filetype != MH_DYLIB_STUB){
- error_with_cur_obj("LC_SUB_CLIENT load command in non-"
-- "MH_DYLIB filetype");
-+ "%s filetype", mh->filetype == MH_DYLIB ? "MH_DYLIB" :
-+ "MH_DYLIB_STUB");
- return;
- }
- csub = (struct sub_client_command *)lc;
-@@ -5092,12 +5205,14 @@
- }
- }
- /*
-- * If this is a MH_DYLIB file then a single LC_ID_DYLIB command must be
-- * seen to identify the library.
-+ * If this is a MH_DYLIB or MH_DYLIB_STUB file then a single
-+ * LC_ID_DYLIB command must be seen to identify the library.
- */
-- if(mh->filetype == MH_DYLIB && dlid == NULL){
-+ if((mh->filetype == MH_DYLIB || mh->filetype == MH_DYLIB_STUB) &&
-+ dlid == NULL){
- error_with_cur_obj("malformed object (no LC_ID_DYLIB load command "
-- "in MH_DYLIB file)");
-+ "in %s file)", mh->filetype == MH_DYLIB ?
-+ "MH_DYLIB" : "MH_DYLIB_STUB");
- return;
- }
- /*
-diff -rub ld/pass1.h ld/pass1.h
---- ld/pass1.h Tue Jan 14 23:35:25 2003
-+++ ld/pass1.h Mon Aug 25 12:12:29 2003
-@@ -33,6 +33,9 @@
- */
-
- #ifndef RLD
-+/* TRUE if -search_paths_first was specified */
-+__private_extern__ enum bool search_paths_first;
-+
- /* the user specified directories to search for -lx filenames, and the number
- of them */
- __private_extern__ char **search_dirs;
-@@ -84,6 +87,7 @@
- enum bool indirect_twolevel_ref_flagged;
- enum bool some_non_weak_refs;
- enum bool some_symbols_referenced;
-+ enum bool force_weak_dylib;
- struct object_file *definition_obj;
- char *dylib_file; /* argument to -dylib_file "install_name:file_name" */
- struct dylib_table_of_contents *tocs;
-@@ -125,10 +129,12 @@
- enum bool lname,
- enum bool base_name,
- enum bool framework_name,
-- enum bool bundle_loader);
-+ enum bool bundle_loader,
-+ enum bool force_weak);
- __private_extern__ void merge(
- enum bool dylib_only,
-- enum bool bundle_loader);
-+ enum bool bundle_loader,
-+ enum bool force_weak);
- __private_extern__ void check_fat(
- char *file_name,
- unsigned long file_size,
-diff -rub ld/pass2.c ld/pass2.c
---- ld/pass2.c Tue Jan 14 23:35:25 2003
-+++ ld/pass2.c Mon Aug 25 22:11:47 2003
-@@ -336,7 +336,7 @@
- /*
- * Write the entire object file.
- */
-- if(write(fd, output_addr, output_size) != output_size)
-+ if(write(fd, output_addr, output_size) != (int)output_size)
- system_fatal("can't write output file");
-
- if((r = vm_deallocate(mach_task_self(), (vm_address_t)output_addr,
-@@ -858,7 +858,8 @@
- write_offset, write_size);
- #endif /* DEBUG */
- lseek(fd, write_offset, L_SET);
-- if(write(fd, output_addr + write_offset, write_size) != write_size)
-+ if(write(fd, output_addr + write_offset, write_size) !=
-+ (int)write_size)
- system_fatal("can't write to output file");
- if((r = vm_deallocate(mach_task_self(), (vm_address_t)(output_addr +
- write_offset), write_size)) != KERN_SUCCESS)
-@@ -919,7 +920,8 @@
- write_offset, write_size);
- #endif /* DEBUG */
- lseek(fd, write_offset, L_SET);
-- if(write(fd, output_addr + write_offset, write_size) != write_size)
-+ if(write(fd, output_addr + write_offset, write_size) !=
-+ (int)write_size)
- system_fatal("can't write to output file");
- if((r = vm_deallocate(mach_task_self(), (vm_address_t)(output_addr +
- write_offset), write_size)) != KERN_SUCCESS)
-diff -rub ld/ppc_reloc.c ld/ppc_reloc.c
---- ld/ppc_reloc.c Tue Jan 14 23:35:25 2003
-+++ ld/ppc_reloc.c Mon Aug 25 22:11:47 2003
-@@ -242,6 +242,7 @@
- else if(r_type == PPC_RELOC_SECTDIFF ||
- r_type == PPC_RELOC_HI16_SECTDIFF ||
- r_type == PPC_RELOC_LO16_SECTDIFF ||
-+ r_type == PPC_RELOC_LO14_SECTDIFF ||
- r_type == PPC_RELOC_HA16_SECTDIFF){
- if(r_scattered != 1){
- error_with_cur_obj("relocation entry (%lu) in section "
-@@ -390,13 +391,13 @@
- /*
- * If the symbol is undefined (or common) or a global coalesced
- * symbol where we need to force an external relocation entry
-- * and we are not prebinding no relocation is done.
-- * Or if the output file is MH_DYLIB no relocation is done
-+ * and we are not prebinding no relocation is done. Or if the
-+ * output file is a multi module MH_DYLIB no relocation is done
- * unless the symbol is a private extern or we are prebinding.
- */
- if(((merged_symbol->nlist.n_type & N_TYPE) == N_UNDF) ||
- (force_extern_reloc == TRUE && prebinding == FALSE) ||
-- (filetype == MH_DYLIB &&
-+ ((filetype == MH_DYLIB && multi_module_dylib == TRUE) &&
- (((merged_symbol->nlist.n_type & N_PEXT) != N_PEXT) &&
- prebinding == FALSE) ) )
- value = 0;
-@@ -512,6 +513,7 @@
- if(r_type == PPC_RELOC_SECTDIFF ||
- r_type == PPC_RELOC_HI16_SECTDIFF ||
- r_type == PPC_RELOC_LO16_SECTDIFF ||
-+ r_type == PPC_RELOC_LO14_SECTDIFF ||
- r_type == PPC_RELOC_HA16_SECTDIFF){
- pair_local_map =
- &(cur_obj->section_maps[pair_r_symbolnum - 1]);
-@@ -523,6 +525,7 @@
- if(r_type == PPC_RELOC_SECTDIFF ||
- r_type == PPC_RELOC_HI16_SECTDIFF ||
- r_type == PPC_RELOC_LO16_SECTDIFF ||
-+ r_type == PPC_RELOC_LO14_SECTDIFF ||
- r_type == PPC_RELOC_HA16_SECTDIFF){
- value = - local_map->s->addr
- + (local_map->output_section->s.addr +
-@@ -609,6 +612,7 @@
- other_half;
- break;
- case PPC_RELOC_LO14:
-+ case PPC_RELOC_LO14_SECTDIFF:
- value = (other_half << 16) |
- (instruction & 0xfffc);
- break;
-@@ -634,6 +638,7 @@
- if(r_type == PPC_RELOC_SECTDIFF ||
- r_type == PPC_RELOC_HI16_SECTDIFF ||
- r_type == PPC_RELOC_LO16_SECTDIFF ||
-+ r_type == PPC_RELOC_LO14_SECTDIFF ||
- r_type == PPC_RELOC_HA16_SECTDIFF){
- /*
- * For PPC_RELOC_SECTDIFF's the item to be
-@@ -788,6 +793,7 @@
- ((value >> 16) & 0xffff);
- break;
- case PPC_RELOC_LO14:
-+ case PPC_RELOC_LO14_SECTDIFF:
- if((value & 0x3) != 0)
- error_with_cur_obj("relocation error "
- "for relocation entry %lu in section "
-@@ -808,8 +814,8 @@
- "multiple of 4 bytes)", i,
- section_map->s->segname,
- section_map->s->sectname);
-- if((value & 0xfffe0000) != 0xfffe0000 &&
-- (value & 0xfffe0000) != 0x00000000)
-+ if((value & 0xffff8000) != 0xffff8000 &&
-+ (value & 0xffff8000) != 0x00000000)
- error_with_cur_obj("relocation overflow "
- "for relocation entry %lu in section "
- "(%.16s,%.16s) (displacement too large)"
-@@ -817,6 +823,19 @@
- section_map->s->sectname);
- instruction = (instruction & 0xffff0003) |
- (value & 0xfffc);
-+ /*
-+ * If this is a predicted branch conditional
-+ * (r_length is 3) where the branch condition
-+ * is not branch always and the sign of the
-+ * displacement is different after relocation
-+ * then flip the Y-bit to preserve the sense of
-+ * the branch prediction.
-+ */
-+ if(r_length == 3 &&
-+ (instruction & 0xfc000000) == 0x40000000 &&
-+ (instruction & 0x03e00000) != 0x02800000 &&
-+ (instruction & 0x00008000) != br14_disp_sign)
-+ instruction ^= (1 << 21);
- break;
- case PPC_RELOC_BR24:
- if((value & 0x3) != 0)
-@@ -847,7 +866,9 @@
- + fine_reloc_output_offset(
- section_map, r_address);
- if(save_reloc == 0 &&
-- (filetype != MH_DYLIB || (r_extern == 1 &&
-+ ((filetype != MH_DYLIB ||
-+ multi_module_dylib == FALSE) ||
-+ (r_extern == 1 &&
- (merged_symbol->nlist.n_type & N_PEXT) ==
- N_PEXT)) &&
- (output_for_dyld == FALSE || r_extern == 0 ||
-@@ -968,6 +989,7 @@
- other_half = immediate & 0xffff;
- break;
- case PPC_RELOC_LO14:
-+ case PPC_RELOC_LO14_SECTDIFF:
- immediate = (other_half << 16) |
- (instruction & 0xfffc);
- immediate += value;
-@@ -991,14 +1013,28 @@
- "entry %lu in section (%.16s,%.16s) (displacement "
- "not a multiple of 4 bytes)", i,
- section_map->s->segname, section_map->s->sectname);
-- if((immediate & 0xfffe0000) != 0xfffe0000 &&
-- (immediate & 0xfffe0000) != 0x00000000)
-+ if((immediate & 0xffff8000) != 0xffff8000 &&
-+ (immediate & 0xffff8000) != 0x00000000)
- error_with_cur_obj("relocation overflow for relocation "
- "entry %lu in section (%.16s,%.16s) (displacement "
- "too large)", i, section_map->s->segname,
- section_map->s->sectname);
- instruction = (instruction & 0xffff0003) |
- (immediate & 0xfffc);
-+ /*
-+ * If this is a predicted branch conditional
-+ * (r_length is 3) where the branch condition
-+ * is not branch always and the sign of the
-+ * displacement is different after relocation
-+ * then flip the Y-bit to preserve the sense of
-+ * the branch prediction.
-+ */
-+ if(r_length == 3 &&
-+ (instruction & 0xfc000000) == 0x40000000 &&
-+ (instruction & 0x03e00000) != 0x02800000 &&
-+ (instruction & 0x00008000) != br14_disp_sign)
-+ instruction ^= (1 << 21);
-+ break;
- break;
- case PPC_RELOC_BR24:
- immediate = instruction & 0x03fffffc;
-@@ -1020,14 +1056,8 @@
- (immediate & 0x03fffffc);
- break;
- case PPC_RELOC_JBSR:
-- if(r_extern){
-- value += offset;
-- other_half = value;
-- }
-- else{
- value += other_half;
- other_half = value;
-- }
- if(section_map->nfine_relocs == 0)
- value += - (section_map->output_section->s.addr +
- section_map->offset + r_address);
-@@ -1036,7 +1066,8 @@
- fine_reloc_output_offset(section_map,
- r_address));
- if(save_reloc == 0 &&
-- (filetype != MH_DYLIB || (r_extern == 1 &&
-+ ((filetype != MH_DYLIB || multi_module_dylib == FALSE) ||
-+ (r_extern == 1 &&
- (merged_symbol->nlist.n_type & N_PEXT) == N_PEXT)) &&
- (output_for_dyld == FALSE || r_extern == 0 ||
- (merged_symbol->nlist.n_type & N_TYPE) != N_UNDF) &&
-@@ -1087,18 +1118,19 @@
- * For external relocation entries that the symbol is
- * defined (not undefined or common) but not when we are
- * forcing an external relocation entry for a global
-- * coalesced symbol and if the output file is not MH_DYLIB
-- * or the symbol is a private extern it is changed to a
-- * local relocation entry using the section that symbol is
-- * defined in. If still undefined or forcing an external
-- * relocation entry for a global coalesced symbol then the
-- * index of the symbol in the output file is set into
-- * r_symbolnum.
-+ * coalesced symbol and if the output file is not a multi
-+ * module MH_DYLIB or the symbol is a private extern, it is
-+ * changed to a local relocation entry using the section
-+ * that symbol is defined in. If still undefined or forcing
-+ * an external relocation entry for a global coalesced
-+ * symbol, then the index of the symbol in the output file
-+ * is set into r_symbolnum.
- */
- else if((merged_symbol->nlist.n_type & N_TYPE) != N_UNDF &&
- (merged_symbol->nlist.n_type & N_TYPE) != N_PBUD &&
- force_extern_reloc == FALSE &&
-- (filetype != MH_DYLIB ||
-+ ((filetype != MH_DYLIB ||
-+ multi_module_dylib == FALSE) ||
- (merged_symbol->nlist.n_type & N_PEXT) == N_PEXT)){
- reloc->r_extern = 0;
- /*
-@@ -1251,6 +1283,7 @@
- if(r_type == PPC_RELOC_SECTDIFF ||
- r_type == PPC_RELOC_HI16_SECTDIFF ||
- r_type == PPC_RELOC_LO16_SECTDIFF ||
-+ r_type == PPC_RELOC_LO14_SECTDIFF ||
- r_type == PPC_RELOC_HA16_SECTDIFF){
- /*
- * For PPC_RELOC_SECTDIFF relocation entries (which
-@@ -1269,6 +1302,7 @@
- pair_local_map->output_section->s.addr);
- if(r_type == PPC_RELOC_HI16_SECTDIFF ||
- r_type == PPC_RELOC_LO16_SECTDIFF ||
-+ r_type == PPC_RELOC_LO14_SECTDIFF ||
- r_type == PPC_RELOC_HA16_SECTDIFF)
- spair_reloc->r_address = other_half;
- }
-Only in ld/: profile_obj
-Only in ld/: ptmp_obj
-diff -rub ld/rld.c ld/rld.c
---- ld/rld.c Tue Jan 14 23:35:25 2003
-+++ ld/rld.c Mon Aug 25 22:11:47 2003
-@@ -56,11 +56,13 @@
- #include "stuff/openstep_mach.h"
- #include <mach-o/fat.h>
- #include <mach-o/nlist.h>
--#ifdef KLD
-+//~ #ifdef KLD
- #include <mach-o/kld.h>
--#else /* !defined(KLD) */
-+#ifndef KLD
-+//~ #else /* !defined(KLD) */
-+typedef void NXStream;
- #include <mach-o/rld.h>
--#include <streams/streams.h>
-+//~ #include <streams/streams.h>
- #include <objc/zone.h>
- #endif /* KLD */
- #include <mach-o/rld_state.h>
-@@ -104,6 +106,9 @@
- unsigned long (*address_func)(unsigned long size, unsigned long headers_size) =
- NULL;
-
-+static
-+enum strip_levels kld_requested_strip_level = STRIP_ALL;
-+
- #if !defined(SA_RLD) && !(defined(KLD) && defined(__STATIC__))
- /*
- * The function pointer passed to moninitrld() to do profiling of rld loaded
-@@ -198,12 +203,12 @@
- long base_size);
- #endif /* !defined(SA_RLD) && !defined(KLD) */
-
--#if defined(KLD) && !defined(__STATIC__)
-+#if defined(KLD)
- static long internal_kld_load_basefile(
- const char *base_filename,
- char *base_addr,
- long base_size);
--#endif /* defined(KLD) && !defined(__STATIC__) */
-+#endif /* defined(KLD) */
-
- #if !defined(SA_RLD) && !defined(KLD)
- /*
-@@ -413,7 +418,7 @@
- if(output_filename != NULL)
- strip_level = STRIP_NONE;
- else
-- strip_level = STRIP_ALL;
-+ strip_level = kld_requested_strip_level;
-
- /* This must be cleared for each call to rld() */
- errors = 0;
-@@ -522,7 +527,8 @@
- #if !defined(SA_RLD) && !(defined(KLD) && defined(__STATIC__))
- if(file_name == NULL){
- for(i = 0; object_filenames[i] != NULL; i++)
-- pass1((char *)object_filenames[i], FALSE, FALSE, FALSE, FALSE);
-+ pass1((char *)object_filenames[i], FALSE, FALSE, FALSE, FALSE,
-+ FALSE);
- }
- else
- #endif /* !defined(SA_RLD) && !(defined(KLD) && defined(__STATIC__)) */
-@@ -533,7 +539,7 @@
- cur_obj->user_obj_addr = TRUE;
- cur_obj->obj_addr = (char *)obj_addr;
- cur_obj->obj_size = obj_size;
-- merge(FALSE, FALSE);
-+ merge(FALSE, FALSE, FALSE);
- }
-
- if(errors){
-@@ -612,7 +618,7 @@
- * Write the entire output file.
- */
- if(write(fd, output_addr, output_size + symbol_size) !=
-- output_size + symbol_size){
-+ (int)(output_size + symbol_size)){
- system_error("can't write output file: %s",output_filename);
- #ifdef KLD
- internal_kld_unload(TRUE);
-@@ -635,8 +641,14 @@
- * Deallocate the pages of memory for the symbol table if there are
- * any whole pages.
- */
-+ if (strip_level == STRIP_ALL)
- deallocate_size = round(output_size + symbol_size, host_pagesize) -
- round(output_size, host_pagesize);
-+ else {
-+ deallocate_size = 0;
-+ sets[cur_set].output_size += symbol_size;
-+ }
-+
- if(deallocate_size > 0){
- if((r = vm_deallocate(mach_task_self(),
- (vm_address_t)(output_addr +
-@@ -777,18 +789,20 @@
- return(1);
- }
-
--#if !defined(SA_RLD) && !(defined(KLD) && defined(__STATIC__))
-+#if !defined(SA_RLD)
- /*
- * rld_load_basefile() loads a base file from an object file rather than just
- * picking up the link edit segment from this program.
- */
- #if defined(KLD)
-+#if !defined(__STATIC__)
- long
- kld_load_basefile(
- const char *base_filename)
- {
- return(internal_kld_load_basefile(base_filename, NULL, 0));
- }
-+#endif /* !defined(__STATIC__) */
-
- long
- kld_load_basefile_from_memory(
-@@ -824,7 +838,8 @@
- char *base_addr,
- long base_size)
- {
-- long size;
-+#if !(defined(KLD) && defined(__STATIC__))
-+ unsigned long size;
- char *addr;
- int fd;
- struct stat stat_buf;
-@@ -834,13 +849,14 @@
- struct fat_header struct_fat_header;
- #endif /* __LITTLE_ENDIAN__ */
- struct fat_arch *fat_archs, *best_fat_arch;
--#if !(defined(KLD) && defined(__STATIC__))
- struct arch_flag host_arch_flag;
--#endif /* !(defined(KLD) && defined(__STATIC__)) */
- enum bool from_fat_file;
-
- size = 0;
- from_fat_file = FALSE;
-+
-+#endif /* !(defined(KLD) && defined(__STATIC__)) */
-+
- #ifndef KLD
- error_stream = stream;
- #endif /* !defined(KLD) */
-@@ -898,6 +914,8 @@
- base_name = allocate(strlen(base_filename) + 1);
- strcpy(base_name, base_filename);
-
-+#if !(defined(KLD) && defined(__STATIC__))
-+
- /*
- * If there is to be an output file then save the symbols. Only the
- * symbols from the current set will be placed in the output file. The
-@@ -976,7 +994,7 @@
- #endif /* __LITTLE_ENDIAN__ */
-
- if(sizeof(struct fat_header) + fat_header->nfat_arch *
-- sizeof(struct fat_arch) > size){
-+ sizeof(struct fat_arch) > (unsigned long)size){
- error("fat file: %s truncated or malformed (fat_arch "
- "structs would extend past the end of the file)",
- base_name);
-@@ -1042,7 +1060,9 @@
- base_obj = cur_obj;
- }
- }
-- else{
-+ else
-+#endif /* !(defined(KLD) && defined(__STATIC__)) */
-+ {
- cur_obj = new_object_file();
- cur_obj->file_name = base_name;
- cur_obj->obj_addr = base_addr;
-@@ -1054,7 +1074,7 @@
- /*
- * Now that the file is mapped in merge it as the base file.
- */
-- merge(FALSE, FALSE);
-+ merge(FALSE, FALSE, FALSE);
-
- if(errors){
- #ifdef KLD
-@@ -1071,6 +1091,7 @@
- */
- clean_objects();
- clean_archives_and_fats();
-+#if !(defined(KLD) && defined(__STATIC__))
- if(from_fat_file == TRUE){
- if((r = vm_deallocate(mach_task_self(), (vm_address_t)addr,
- (vm_size_t)size)) != KERN_SUCCESS)
-@@ -1088,8 +1109,11 @@
- */
- rld_maintain_states = FALSE;
-
-+#endif /* !(defined(KLD) && defined(__STATIC__)) */
-+
- return(1);
-
-+#if !(defined(KLD) && defined(__STATIC__))
- rld_load_basefile_error_return:
- if((r = vm_deallocate(mach_task_self(), (vm_address_t)addr,
- (vm_size_t)size)) != KERN_SUCCESS)
-@@ -1106,6 +1130,7 @@
- free(fat_archs);
- #endif /* __LITTLE_ENDIAN__ */
- return(0);
-+#endif /* !(defined(KLD) && defined(__STATIC__)) */
- }
-
- #ifndef KLD
-@@ -1638,7 +1663,7 @@
- * Write the entire output file.
- */
- if(write(fd, output_addr, output_size + symbol_size) !=
-- output_size + symbol_size){
-+ (int)(output_size + symbol_size)){
- system_error("can't write output file: %s",output_filename);
- (void)unlink(output_filename);
- return_value = 0;
-@@ -1768,6 +1793,23 @@
- {
- address_func = func;
- }
-+
-+/*
-+ * kld_set_link_options() .
-+ */
-+void
-+#ifdef KLD
-+kld_set_link_options(
-+#else /* !defined(KLD) */
-+rld_set_link_options(
-+#endif /* KLD */
-+unsigned long link_options)
-+{
-+ if(KLD_STRIP_NONE & link_options)
-+ kld_requested_strip_level = STRIP_NONE;
-+ else
-+ kld_requested_strip_level = STRIP_ALL;
-+}
- #endif /* !defined(SA_RLD) */
-
- /*
-@@ -1793,6 +1835,7 @@
- {
- if(error_stream != NULL)
- NXVPrintf(error_stream, format, ap);
-+NXVPrintf(error_stream, format, ap);
- }
- #endif /* !defined(SA_RLD) && !defined(KLD) */
-
-Only in ld/: sarld_dir
-diff -rub ld/sections.c ld/sections.c
---- ld/sections.c Tue Jan 14 23:35:25 2003
-+++ ld/sections.c Mon Aug 25 22:11:47 2003
-@@ -324,6 +324,13 @@
- error_with_cur_obj("literal section (%.16s,%.16s) "
- "not allowed in I860 cputype objects",
- ms->s.segname, ms->s.sectname);
-+#ifdef KLD
-+ /*
-+ * For KLD the section's alignment from the base file is NOT
-+ * picked up.
-+ */
-+ if(cur_obj != base_obj)
-+#endif /* KLD */
- if(s->align > ms->s.align)
- ms->s.align = s->align;
- if(dynamic != TRUE)
-@@ -2724,16 +2731,16 @@
- /*
- * It is an error if one of these types of merged sections
- * has an external relocation entry and the output is a
-- * dynamic library. As no library module will "own" it and
-- * it will never get used by the dynamic linker and the
-- * item relocated.
-+ * multi module dynamic library. As in a multi module dylib
-+ * no library module will "own" it and it will never get
-+ * used by the dynamic linker and the item relocated.
- */
- if(ms->nextrel != 0){
-- if(filetype == MH_DYLIB)
-+ if(filetype == MH_DYLIB && multi_module_dylib == TRUE)
- fatal("internal error: layout_relocs_for_dyld() "
- "called with external relocation entries for "
-- "merged section (%.16s,%.16s) for MH_DYLIB "
-- "output", ms->s.segname, ms->s.sectname);
-+ "merged section (%.16s,%.16s) for multi module "
-+ "MH_DYLIB output", ms->s.segname, ms->s.sectname);
- /* TODO: can this ever get here? even if not MH_DYLIB? */
- ms->iextrel = nextrel;
- nextrel += ms->nextrel;
-@@ -3036,18 +3043,19 @@
- /*
- * The number of relocation entries in the output file is based on
- * one of three different cases:
-- * The output file is a dynamic shared library file
-+ * The output file is a multi module dynamic shared library
- * The output file has a dynamic linker load command
- * The output does not have a dynamic linker load command
- */
-- if(filetype == MH_DYLIB){
-+ if(filetype == MH_DYLIB && multi_module_dylib == TRUE){
- /*
-- * For dynamic shared library files all external relocations are
-- * kept as external relocation entries except for references to
-- * private externs (which are kept as locals) and all non-
-- * position-independent local relocation entries are kept.
-- * Modules of dylibs are not linked together and can only be
-- * slid keeping all sections relative to each other the same.
-+ * For multi module dynamic shared library files all external
-+ * relocations are kept as external relocation entries except
-+ * for references to private externs (which are kept as locals)
-+ * and all non-position-independent local relocation entries
-+ * are kept. Modules of multi module dylibs are not linked
-+ * together and can only be slid keeping all sections relative
-+ * to each other the same.
- */
- if(r_extern && (merged_symbol->nlist.n_type & N_PEXT) == 0){
- (*nextrel) += 1 + pair;
-@@ -3953,19 +3961,19 @@
- /*
- * The relocation entries in the output file is based on one of
- * three different cases:
-- * The output file is a dynamic shared library file
-+ * The output file is a multi module dynamic shared library
- * The output file has a dynamic linker load command
- * The output does not have a dynamic linker load command
- */
-- if(filetype == MH_DYLIB){
-+ if(filetype == MH_DYLIB && multi_module_dylib == TRUE){
- /*
-- * For dynamic shared library files all external relocations are
-- * kept as external relocation entries except for references to
-- * private externs (which are have been turned into locals and
-- * kept as locals) and all non-position-independent local
-- * relocation entrie are kept. Modules of dylibs are not linked
-- * together and can only be slid keeping all sections relative
-- * to each other the same.
-+ * For multi module dynamic shared library files all external
-+ * relocations are kept as external relocation entries except
-+ * for references to private externs (which are have been turned
-+ * into locals and kept as locals) and all non-position-
-+ * independent local relocation entrie are kept. Modules of
-+ * multi module dylibs are not linked together and can only be
-+ * slid keeping all sections relative to each other the same.
- */
- if(r_extern){
- reloc->r_address += addr_adjust;
-diff -rub ld/sets.c ld/sets.c
---- ld/sets.c Tue Jan 14 23:35:25 2003
-+++ ld/sets.c Mon Aug 25 22:11:47 2003
-@@ -134,7 +134,7 @@
- clean_archives_and_fats(void)
- {
- #ifndef SA_RLD
-- long i;
-+ unsigned long i;
- kern_return_t r;
- char *file_addr, *file_name;
- long file_size;
-Only in ld/: shlib_obj
-diff -rub ld/sparc_reloc.c ld/sparc_reloc.c
---- ld/sparc_reloc.c Tue Jan 14 23:35:25 2003
-+++ ld/sparc_reloc.c Mon Aug 25 22:11:47 2003
-@@ -385,13 +385,13 @@
- /*
- * If the symbol is undefined (or common) or a global coalesced
- * symbol where we need to force an external relocation entry
-- * and we are not prebinding no relocation is done.
-- * Or if the output file is MH_DYLIB no relocation is done
-+ * and we are not prebinding no relocation is done. Or if the
-+ * output file is a multi module MH_DYLIB no relocation is done
- * unless the symbol is a private extern or we are prebinding.
- */
- if(((merged_symbol->nlist.n_type & N_TYPE) == N_UNDF) ||
- (force_extern_reloc == TRUE && prebinding == FALSE) ||
-- (filetype == MH_DYLIB &&
-+ ((filetype == MH_DYLIB && multi_module_dylib == TRUE) &&
- (((merged_symbol->nlist.n_type & N_PEXT) != N_PEXT) &&
- prebinding == FALSE) ) )
- value = 0;
-@@ -915,18 +915,19 @@
- * For external relocation entries that the symbol is
- * defined (not undefined or common) but not when we are
- * forcing an external relocation entry for a global
-- * coalesced symbol and if the output file is not MH_DYLIB
-- * or the symbol is a private extern it is changed to a
-- * local relocation entry using the section that symbol is
-- * defined in. If still undefined or forcing an external
-- * relocation entry for a global coalesced symbol then the
-- * index of the symbol in the output file is set into
-- * r_symbolnum.
-+ * coalesced symbol and if the output file is not a multi
-+ * module MH_DYLIB or the symbol is a private extern, it is
-+ * changed to a local relocation entry using the section
-+ * that symbol is defined in. If still undefined or forcing
-+ * an external relocation entry for a global coalesced
-+ * symbol, then the index of the symbol in the output file
-+ * is set into r_symbolnum.
- */
- else if((merged_symbol->nlist.n_type & N_TYPE) != N_UNDF &&
- (merged_symbol->nlist.n_type & N_TYPE) != N_PBUD &&
- force_extern_reloc == FALSE &&
-- (filetype != MH_DYLIB ||
-+ ((filetype != MH_DYLIB ||
-+ multi_module_dylib == FALSE) ||
- (merged_symbol->nlist.n_type & N_PEXT) == N_PEXT)){
- reloc->r_extern = 0;
- /*
-Only in ld/: static_kld
-diff -rub ld/symbols.c ld/symbols.c
---- ld/symbols.c Tue Jan 14 23:35:25 2003
-+++ ld/symbols.c Mon Aug 25 22:11:47 2003
-@@ -47,6 +47,9 @@
- #include "stuff/bool.h"
- #include "stuff/bytesex.h"
- #include "stuff/macosx_deployment_target.h"
-+#ifndef RLD
-+#include "stuff/symbol_list.h"
-+#endif
-
- #include "ld.h"
- #include "specs.h"
-@@ -59,6 +62,7 @@
- #include "sets.h"
- #include "hash_string.h"
- #include "dylibs.h"
-+#include "mod_sections.h"
-
- #ifdef RLD
- __private_extern__ char *base_name;
-@@ -77,6 +81,12 @@
- __private_extern__ unsigned long nmerged_symbols_referenced_only_from_dylibs =0;
-
- /*
-+ * nstripped_merged_symbols is set to the number of merged symbol being stripped
-+ * out when the strip_level is STRIP_DYNAMIC_EXECUTABLE.
-+ */
-+__private_extern__ unsigned long nstripped_merged_symbols = 0;
-+
-+/*
- * This is set by lookup_symbol() and used by enter_symbol(). When a symbol
- * is not found in the symbol_list by lookup_symbol() it returns a pointer
- * to a hash_table entry in a merged_symbol_list. The merged_symbol_list that
-@@ -205,6 +215,10 @@
- static struct object_file *link_edit_symbols_object = NULL;
- static void setup_link_edit_symbols_object(
- void);
-+
-+static void exports_list_processing(
-+ char *symbol_name,
-+ struct nlist *symbol);
- #endif /* !defined(RLD) */
-
- /*
-@@ -263,9 +277,6 @@
- #endif /* !defined(RLD) */
-
- __private_extern__
--#if defined(RLD) && !defined(__DYNAMIC__)
--const
--#endif
- struct object_file link_edit_common_object = {
- "\"link editor\"", /* file_name */
- 0, /* obj_addr */
-@@ -408,7 +419,7 @@
-
- /* check the n_strx field of this symbol */
- if(symbol->n_un.n_strx < 0 ||
-- symbol->n_un.n_strx >= (long)(cur_obj->symtab->strsize)){
-+ (unsigned long)symbol->n_un.n_strx >= cur_obj->symtab->strsize){
- error_with_cur_obj("bad string table index (%ld) for symbol %lu",
- symbol->n_un.n_strx, index);
- return;
-@@ -440,6 +451,8 @@
- ((struct mach_header *)(cur_obj->obj_addr))->filetype !=
- MH_BUNDLE) ||
- (library_ordinal != SELF_LIBRARY_ORDINAL &&
-+ (library_ordinal != DYNAMIC_LOOKUP_ORDINAL ||
-+ cur_obj->nload_dylibs != DYNAMIC_LOOKUP_ORDINAL) &&
- library_ordinal-1 >= cur_obj->nload_dylibs) ){
- error_with_cur_obj("undefined symbol %lu (%s) has bad "
- "library oridinal %lu", index,
-@@ -835,7 +848,9 @@
- cur_obj->symtab->symoff);
- object_strings = (char *)(cur_obj->obj_addr + cur_obj->symtab->stroff);
- if(cur_obj->swapped &&
-- ((struct mach_header *)cur_obj->obj_addr)->filetype != MH_DYLIB)
-+ (((struct mach_header *)cur_obj->obj_addr)->filetype != MH_DYLIB ||
-+ ((struct mach_header *)cur_obj->obj_addr)->filetype !=
-+ MH_DYLIB_STUB))
- swap_nlist(object_symbols, cur_obj->symtab->nsyms, host_byte_sex);
-
-
-@@ -867,6 +882,18 @@
- object_undefineds++;
- /* TODO coalesce symbols may need to be accounted for depending on how they are
- referenced */
-+#ifndef RLD
-+ /*
-+ * If we have an -export_symbols_list or -unexport_symbol_list
-+ * option set the private extern bit on symbols that are not to
-+ * be exported for global symbols that are not undefined.
-+ */
-+ if((object_symbols[i].n_type & N_EXT) == N_EXT &&
-+ object_symbols[i].n_type != (N_EXT | N_UNDF))
-+ exports_list_processing(object_strings +
-+ object_symbols[i].n_un.n_strx,
-+ object_symbols + i);
-+#endif /* !defined(RLD) */
- /*
- * If this is a private external increment the count of
- * private exterals for this object and the total in the
-@@ -887,12 +914,12 @@
-
- #ifndef RLD
- /*
-- * If the output file type is a dynamic shared library then count the
-- * number of defined externals. And using this count, the count of
-- * undefined symbols and the count of private externs the reference map,
-- * to build the reference table, is allocated.
-+ * If the output file type is a multi module dynamic shared library then
-+ * count the number of defined externals. And using this count, the
-+ * count of undefined symbols and the count of private externs then
-+ * reference map, to build the reference table, is allocated.
- */
-- if(filetype == MH_DYLIB){
-+ if(filetype == MH_DYLIB && multi_module_dylib == TRUE){
- /* TODO coalesce symbols that are discarded need to be accounted for as
- undefined references */
- for(i = 0; i < cur_obj->symtab->nsyms; i++){
-@@ -1205,11 +1232,12 @@
- }
- #ifndef RLD
- /*
-- * If the output file is a MH_DYLIB type reset the
-- * reference map for the merged external symbol that
-- * is being discarded.
-+ * If the output file is a multi module MH_DYLIB type
-+ * reset the reference map for the merged external
-+ * symbol that is being discarded.
- */
- if(filetype == MH_DYLIB &&
-+ multi_module_dylib == TRUE &&
- merged_symbol->defined_in_dylib == FALSE){
- /*
- * Discared coalesced symbols are referenced as
-@@ -1292,9 +1320,24 @@
- printf("symbol: %s is coalesced\n", merged_symbol->nlist.n_un.n_name);
- #endif
- }
-- else
-+ else{
- multiply_defined(merged_symbol, &(object_symbols[i]),
- object_strings);
-+ if(allow_multiply_defined_symbols == TRUE){
-+ /*
-+ * If this is a private external then decrement
-+ * the previous incremented the count of private
-+ * exterals for this object and the total in the
-+ * output file since we are going to ignore this
-+ * this multiply defined symbol.
-+ */
-+ if((object_symbols[i].n_type & N_EXT) &&
-+ (object_symbols[i].n_type & N_PEXT)){
-+ cur_obj->nprivatesym--;
-+ nmerged_private_symbols--;
-+ }
-+ }
-+ }
- }
- /*
- * If this symbol was undefined or a common in this object
-@@ -1313,10 +1356,10 @@
- }
- #ifndef RLD
- /*
-- * If the output file is a MH_DYLIB type set the reference map
-- * for this external symbol.
-+ * If the output file is a multi module MH_DYLIB type set the
-+ * reference map for this external symbol.
- */
-- if(filetype == MH_DYLIB){
-+ if(filetype == MH_DYLIB && multi_module_dylib == TRUE){
- cur_obj->reference_maps[nrefsym].merged_symbol =
- merged_symbol;
- /*
-@@ -1353,6 +1396,7 @@
- }
- else if(strip_level != STRIP_DUP_INCLS &&
- is_output_local_symbol(object_symbols[i].n_type,
-+ object_symbols[i].n_sect, cur_obj,
- object_symbols[i].n_un.n_strx == 0 ? "" :
- object_strings + object_symbols[i].n_un.n_strx)){
- cur_obj->nlocalsym++;
-@@ -1427,6 +1471,10 @@
- localsym_block->index = i;
- localsym_block->state = PARSE_SYMBOLS;
- localsym_block->count = 1;
-+ localsym_block->input_N_BINCL_n_value =
-+ object_symbols[i].n_value;
-+ if(localsym_block->input_N_BINCL_n_value != 0)
-+ sum = localsym_block->input_N_BINCL_n_value;
-
- /* insert the first block in the list */
- localsym_block->next = *next_localsym_block;
-@@ -1506,7 +1554,8 @@
- if((object_symbols[j].n_type & N_STAB) != 0){
- cur_localsym_block->count++;
-
-- if(object_symbols[j].n_un.n_strx != 0){
-+ if(localsym_block->input_N_BINCL_n_value == 0 &&
-+ object_symbols[j].n_un.n_strx != 0){
- stab_string = object_strings +
- object_symbols[j].n_un.n_strx;
- for( ; *stab_string != '\0'; stab_string++){
-@@ -1687,6 +1736,55 @@
-
- #ifndef RLD
- /*
-+ * exports_list_processing() takes a symbol_name and a defined symbol from an
-+ * object file and sets the private extern bit is it is not to be exported. And
-+ * also marks the symbol in the list as seen.
-+ */
-+static
-+void
-+exports_list_processing(
-+char *symbol_name,
-+struct nlist *symbol)
-+{
-+ struct symbol_list *sp;
-+
-+ if(save_symbols != NULL){
-+ sp = bsearch(symbol_name, save_symbols, nsave_symbols,
-+ sizeof(struct symbol_list),
-+ (int (*)(const void *, const void *))
-+ symbol_list_bsearch);
-+ if(sp != NULL){
-+ sp->seen = TRUE;
-+ }
-+ else{
-+ if(symbol->n_desc & REFERENCED_DYNAMICALLY){
-+ warning("symbol: %s referenced dynamically and must be "
-+ "exported", symbol_name);
-+ }
-+ else{
-+ symbol->n_type |= N_PEXT;
-+ }
-+ }
-+ }
-+ if(remove_symbols != NULL){
-+ sp = bsearch(symbol_name, remove_symbols, nremove_symbols,
-+ sizeof(struct symbol_list),
-+ (int (*)(const void *, const void *))
-+ symbol_list_bsearch);
-+ if(sp != NULL){
-+ sp->seen = TRUE;
-+ if(symbol->n_desc & REFERENCED_DYNAMICALLY){
-+ warning("symbol: %s referenced dynamically and must be "
-+ "exported", symbol_name);
-+ }
-+ else{
-+ symbol->n_type |= N_PEXT;
-+ }
-+ }
-+ }
-+}
-+
-+/*
- * command_line_symbol() looks up a symbol name that comes from a command line
- * argument (like -u symbol_name) and returns a pointer to the merged symbol
- * table entry for it. If the symbol doesn't exist it enters an undefined
-@@ -1725,7 +1823,7 @@
- */
- merged_symbol = enter_symbol(hash_pointer, &(undefined_symbol),
- symbol_name, command_line_object);
-- if(filetype == MH_DYLIB){
-+ if(filetype == MH_DYLIB && multi_module_dylib == TRUE){
- command_line_object->reference_maps =
- reallocate(command_line_object->reference_maps,
- (command_line_object->nrefsym + 1) *
-@@ -1910,7 +2008,7 @@
- }
- merged_symbol->nlist.n_value = (unsigned long)merged_indr_symbol;
-
-- if(filetype == MH_DYLIB){
-+ if(filetype == MH_DYLIB && multi_module_dylib == TRUE){
- command_line_object->nextdefsym = 1;
- command_line_object->reference_maps =
- reallocate(command_line_object->reference_maps,
-@@ -1951,7 +2049,7 @@
- struct nlist *symbols, *fake_trace_symbol;
- struct dylib_reference *refs;
- unsigned long flags;
-- enum bool was_traced;
-+ enum bool was_traced, resolve_flat;
- struct merged_symbol **hash_pointer, *merged_symbol;
- struct object_file *obj;
- struct dylib_table_of_contents *toc;
-@@ -2031,11 +2129,12 @@
- }
- }
- /*
-- * If the output file is a MH_DYLIB type reset the
-- * reference map for the merged external symbol that
-+ * If the output file is a multi module MH_DYLIB type reset
-+ * the reference map for the merged external symbol that
- * is being discarded.
- */
- if(filetype == MH_DYLIB &&
-+ multi_module_dylib == TRUE &&
- merged_symbol->defined_in_dylib == FALSE){
- /*
- * Discared coalesced symbols are referenced as
-@@ -2208,6 +2307,13 @@
- merged_symbol->defined_in_dylib = TRUE;
- merged_symbol->definition_library = dynamic_library;
- /*
-+ * If this shared library is being forced to be weak linked then
-+ * set N_WEAK_REF to make this symbol a weak reference.
-+ */
-+ if(dynamic_library->force_weak_dylib &&
-+ merged_symbol->referenced_in_non_dylib == TRUE)
-+ merged_symbol->nlist.n_desc |= N_WEAK_REF;
-+ /*
- * If the merged symbol we are resolving is not a weak reference
- * and it is referenced from a non-dylib then set
- * some_non_weak_refs to TRUE.
-@@ -2215,6 +2321,7 @@
- if((merged_symbol->nlist.n_desc & N_WEAK_REF) == 0 &&
- merged_symbol->referenced_in_non_dylib == TRUE)
- dynamic_library->some_non_weak_refs = TRUE;
-+ if(merged_symbol->referenced_in_non_dylib == TRUE)
- dynamic_library->some_symbols_referenced = TRUE;
- if((symbols[j].n_type & N_TYPE) == N_INDR){
- merged_symbol->nlist.n_type = N_INDR | N_EXT;
-@@ -2295,7 +2402,8 @@
- print_obj_name(cur_obj);
- library_ordinal = GET_LIBRARY_ORDINAL(symbols[
- refs[j].isym].n_desc);
-- if(library_ordinal != 0){
-+ if(library_ordinal != 0 &&
-+ library_ordinal != DYNAMIC_LOOKUP_ORDINAL){
- dep = dynamic_library->dependent_images[
- library_ordinal - 1];
- if(dep->umbrella_name != NULL)
-@@ -2316,13 +2424,32 @@
- }
- }
- /*
-- * If -force_flat_namespace is TRUE or this dylib is not a
-- * two-level namespace dylib then use flat semantics to resolve
-- * the undefined symbols from this dylib module.
-+ * Determine how this reference will be resolved. If
-+ * -force_flat_namespace is TRUE it will be resolved flat.
-+ * If this dylib is not a two-level namespace dylib it will
-+ * also be resolved flat. It it is a two-level dylib then
-+ * if the library_ordinal is DYNAMIC_LOOKUP_ORDINAL it will be
-+ * resolved flat. If it is a two-level namespace dylib and
-+ * the library_ordinal is not DYNAMIC_LOOKUP_ORDINAL it will
-+ * be resolved with two-level namespace semantics.
- */
-- if(force_flat_namespace == TRUE ||
-- (((struct mach_header *)(cur_obj->obj_addr))->flags &
-- MH_TWOLEVEL) != MH_TWOLEVEL){
-+ if(force_flat_namespace == TRUE)
-+ resolve_flat = TRUE;
-+ else{
-+ if((((struct mach_header *)(cur_obj->obj_addr))->
-+ flags & MH_TWOLEVEL) == MH_TWOLEVEL){
-+ library_ordinal = GET_LIBRARY_ORDINAL(
-+ symbols[refs[j].isym].n_desc);
-+ if(library_ordinal == DYNAMIC_LOOKUP_ORDINAL)
-+ resolve_flat = TRUE;
-+ else
-+ resolve_flat = FALSE;
-+ }
-+ else{
-+ resolve_flat = TRUE;
-+ }
-+ }
-+ if(resolve_flat == TRUE){
- /* lookup the symbol and see if it has already been seen */
- hash_pointer = lookup_symbol(symbol_name);
- if(*hash_pointer == NULL){
-@@ -2505,11 +2632,12 @@
- }
- }
- /*
-- * If the output file is a MH_DYLIB type reset the
-- * reference map for the merged external symbol that
-+ * If the output file is a multi module MH_DYLIB type reset
-+ * the reference map for the merged external symbol that
- * is being discarded.
- */
- if(filetype == MH_DYLIB &&
-+ multi_module_dylib == TRUE &&
- merged_symbol->defined_in_dylib == FALSE){
- /*
- * Discared coalesced symbols are referenced as
-@@ -2686,13 +2814,17 @@
-
- /*
- * is_output_local_symbol() returns TRUE or FALSE depending if the local symbol
-- * type and name passed to it will be in the output file's symbol table based
-- * on the level of symbol stripping.
-+ * type, section, object and name passed to it will be in the output file's
-+ * symbol table based on the level of symbol stripping. The obj passed must be
-+ * be the object this symbol came from so that the the section can be checked
-+ * for the S_ATTR_STRIP_STATIC_SYMS attribute flag.
- */
- __private_extern__
- enum bool
- is_output_local_symbol(
- unsigned char n_type,
-+unsigned char n_sect,
-+struct object_file *obj,
- char *symbol_name)
- {
- switch(strip_level){
-@@ -2700,14 +2832,15 @@
- case STRIP_DUP_INCLS:
- return(TRUE);
- case STRIP_ALL:
-- return(FALSE);
-+ case STRIP_DYNAMIC_EXECUTABLE:
- case STRIP_NONGLOBALS:
-- if(n_type & N_PEXT)
-- return(TRUE);
- return(FALSE);
- case STRIP_DEBUG:
- if(n_type & N_STAB ||
-- (*symbol_name == 'L' && (n_type & N_STAB) == 0))
-+ (*symbol_name == 'L' && (n_type & N_STAB) == 0) ||
-+ ((n_type & N_TYPE) == N_SECT &&
-+ (obj->section_maps[n_sect - 1].s->flags &
-+ S_ATTR_STRIP_STATIC_SYMS) == S_ATTR_STRIP_STATIC_SYMS))
- return(FALSE);
- else
- return(TRUE);
-@@ -3340,13 +3473,12 @@
- error("common symbols not allowed with MH_FVMLIB "
- "output format");
- /*
-- * If the output format is MH_DYLIB then commons are not
-- * allowed because each symbol can only be defined in at
-- * most one module.
-+ * If the output format is multi module MH_DYLIB then * commons are not allowed because each symbol can only be
-+ * defined in at most one module.
- */
-- if(filetype == MH_DYLIB)
-+ if(filetype == MH_DYLIB && multi_module_dylib == TRUE)
- error("common symbols not allowed with MH_DYLIB "
-- "output format");
-+ "output format with the -multi_module option");
- commons_exist = TRUE;
- #ifndef RLD
- if(sect_spec != NULL && sect_spec->order_filename != NULL){
-@@ -3461,7 +3593,8 @@
- * formats so trace each one. An error message for this
- * has been printed above.
- */
-- if(filetype == MH_FVMLIB || filetype == MH_DYLIB)
-+ if(filetype == MH_FVMLIB ||
-+ (filetype == MH_DYLIB && multi_module_dylib == TRUE))
- trace_merged_symbol(merged_symbol);
- /* determine the alignment of this symbol */
- common_size = merged_symbol->nlist.n_value;
-@@ -3497,6 +3630,22 @@
- &link_edit_common_object;
- /* Create the space for this symbol */
- link_edit_common_section.size += common_size;
-+ /*
-+ * If we have an -export_symbols_list or
-+ * -unexport_symbol_list option set the private extern bit
-+ * on the symbol if it is not to be exported.
-+ */
-+ exports_list_processing(merged_symbol->nlist.n_un.n_name,
-+ &(merged_symbol->nlist));
-+ /*
-+ * If this common symbol got made into a private extern with
-+ * the processing of the exports list increment the count of
-+ * private exterals.
-+ */
-+ if((merged_symbol->nlist.n_type & N_PEXT) == N_PEXT){
-+ link_edit_common_object.nprivatesym++;
-+ nmerged_private_symbols++;
-+ }
- #endif /* RLD */
- /*
- * Do the trace of this symbol if specified now that it has
-@@ -3557,6 +3706,58 @@
- }
-
- #ifndef RLD
-+/*
-+ * define_undefined_symbols_a_way() is called to setup defining all remaining
-+ * undefined symbols as private externs. Their final value gets set by
-+ * define_link_editor_dylib_symbols().
-+ */
-+__private_extern__
-+void
-+define_undefined_symbols_a_way(
-+void)
-+{
-+ unsigned long i;
-+ struct merged_symbol_list **p, *merged_symbol_list;
-+ struct merged_symbol *merged_symbol;
-+
-+ for(p = &merged_symbol_lists; *p; p = &(merged_symbol_list->next)){
-+ merged_symbol_list = *p;
-+ for(i = 0; i < merged_symbol_list->used; i++){
-+ merged_symbol = &(merged_symbol_list->merged_symbols[i]);
-+ if(merged_symbol->nlist.n_type == (N_EXT | N_UNDF) &&
-+ merged_symbol->nlist.n_value == 0){
-+ if(dynamic == TRUE &&
-+ filetype != MH_EXECUTE &&
-+ merged_segments != NULL){
-+ define_link_editor_symbol(
-+ merged_symbol->nlist.n_un.n_name,
-+ N_SECT | N_PEXT | N_EXT, /* n_type */
-+ 1, /* n_sect */
-+ 0, /* n_desc */
-+ 0); /* n_value */
-+ }
-+ else{
-+ define_link_editor_symbol(
-+ merged_symbol->nlist.n_un.n_name,
-+ N_ABS | N_PEXT | N_EXT, /* n_type */
-+ NO_SECT, /* n_sect */
-+ 0, /* n_desc */
-+ 0); /* n_value */
-+ }
-+ /*
-+ * This symbol got made into a private extern so increment
-+ * the count of private exterals.
-+ */
-+ if((merged_symbol->nlist.n_type & N_PEXT) == N_PEXT){
-+ link_edit_symbols_object->nprivatesym++;
-+ nmerged_private_symbols++;
-+ }
-+ merged_symbol->define_a_way = 1;
-+ }
-+ }
-+ }
-+}
-+
- static
- void
- setup_link_edit_symbols_object(
-@@ -3741,6 +3942,8 @@
- {
- char *symbol_name;
- struct merged_symbol *merged_symbol;
-+ struct merged_symbol_list **p, *merged_symbol_list;
-+ unsigned long i;
-
- if(filetype == MH_BUNDLE)
- symbol_name = _MH_BUNDLE_SYM;
-@@ -3762,6 +3965,24 @@
- else
- merged_symbol->nlist.n_value = header_address -
- link_edit_symbols_object->section_maps[0].output_section->s.addr;
-+
-+ /* set the correct values of the undefined symbols defined a way */
-+ if(undefined_flag == UNDEFINED_DEFINE_A_WAY){
-+ for(p = &merged_symbol_lists; *p; p = &(merged_symbol_list->next)){
-+ merged_symbol_list = *p;
-+ for(i = 0; i < merged_symbol_list->used; i++){
-+ merged_symbol = &(merged_symbol_list->merged_symbols[i]);
-+ if(merged_symbol->define_a_way == 1){
-+ if(merged_symbol->nlist.n_sect == NO_SECT)
-+ merged_symbol->nlist.n_value = header_address;
-+ else
-+ merged_symbol->nlist.n_value = header_address -
-+ link_edit_symbols_object->section_maps[0].
-+ output_section->s.addr;
-+ }
-+ }
-+ }
-+ }
- }
- #endif /* !defined(RLD) */
-
-@@ -3942,6 +4163,16 @@
- merged_symbol->nlist.n_value = value;
- merged_symbol->definition_object = link_edit_symbols_object;
-
-+#ifndef RLD
-+ /*
-+ * If we have an -export_symbols_list or
-+ * -unexport_symbol_list option set the private extern bit
-+ * on the symbol if it is not to be exported.
-+ */
-+ exports_list_processing(merged_symbol->nlist.n_un.n_name,
-+ &(merged_symbol->nlist));
-+#endif
-+
- /*
- * Do the trace of this symbol if specified now that it has
- * been defined.
-@@ -4057,6 +4288,16 @@
- for(j = 0; j < indr_depth; j++){
- indr_symbols[j]->nlist.n_value =
- (unsigned long)indr_symbol;
-+ /*
-+ * If this indirect symbol is pointing to a
-+ * private extern then increment the count of
-+ * private exterals.
-+ */
-+ if((indr_symbol->nlist.n_type & N_PEXT) == N_PEXT){
-+ indr_symbols[j]->definition_object->
-+ nprivatesym++;
-+ nmerged_private_symbols++;
-+ }
- }
- }
- }
-@@ -4142,6 +4383,7 @@
- object_symbols[i].n_sect == nsect &&
- (strip_level == STRIP_NONE ||
- is_output_local_symbol(object_symbols[i].n_type,
-+ object_symbols[i].n_sect, cur_obj,
- object_symbols[i].n_un.n_strx == 0 ? "" :
- object_strings +
- object_symbols[i].n_un.n_strx))){
-@@ -4383,6 +4625,7 @@
- if((object_symbols[i].n_type & N_EXT) == 0 &&
- (strip_level == STRIP_NONE || strip_level == STRIP_DUP_INCLS ||
- is_output_local_symbol(object_symbols[i].n_type,
-+ object_symbols[i].n_sect, cur_obj,
- object_symbols[i].n_un.n_strx == 0 ? "" :
- object_strings + object_symbols[i].n_un.n_strx))){
-
-@@ -4433,11 +4676,11 @@
- cur_obj->symtab->strsize);
- output_symtab_info.output_local_strsize += cur_obj->symtab->strsize;
- }
--#ifndef RLD
- if(host_byte_sex != target_byte_sex){
- nlist = (struct nlist *)(output_addr + flush_symbol_offset);
- swap_nlist(nlist, output_nsyms, target_byte_sex);
- }
-+#ifndef RLD
- output_flush(flush_symbol_offset, output_nsyms * sizeof(struct nlist));
- output_flush(flush_string_offset, output_symtab_info.
- output_local_strsize -
-@@ -4503,6 +4746,7 @@
- if((object_symbols[i].n_type & N_EXT) == 0 &&
- (strip_level == STRIP_NONE ||
- is_output_local_symbol(object_symbols[i].n_type,
-+ object_symbols[i].n_sect, obj,
- object_symbols[i].n_un.n_strx == 0 ? "" :
- object_strings + object_symbols[i].n_un.n_strx))){
-
-@@ -4609,6 +4853,7 @@
- if(indr_symbol->nlist.n_type != (N_EXT | N_UNDF) &&
- indr_symbol->nlist.n_type != (N_EXT | N_PBUD) &&
- (filetype != MH_DYLIB ||
-+ (filetype == MH_DYLIB && multi_module_dylib == FALSE) ||
- merged_symbol->definition_object ==
- indr_symbol->definition_object)){
- merged_symbol->nlist.n_type = indr_symbol->nlist.n_type;
-@@ -4640,7 +4885,10 @@
- * the output file is the private externs if they are not to be kept
- * (that is they are to be made static and not kept as global symbols).
- */
-- if(nmerged_private_symbols != 0 && keep_private_externs == FALSE){
-+ if(nmerged_private_symbols != 0 &&
-+ keep_private_externs == FALSE &&
-+ (strip_level != STRIP_NONGLOBALS ||
-+ (filetype == MH_DYLIB && multi_module_dylib == TRUE)) ){
- for(p = &merged_symbol_lists; *p; p = &(merged_symbol_list->next)){
- merged_symbol_list = *p;
- for(i = 0; i < merged_symbol_list->used; i++){
-@@ -4654,6 +4902,11 @@
- if(merged_symbol->definition_object->set_num != cur_set)
- continue;
- #endif /* RLD */
-+ if(strip_level == STRIP_DYNAMIC_EXECUTABLE &&
-+ (merged_symbol->nlist.n_desc & REFERENCED_DYNAMICALLY) !=
-+ REFERENCED_DYNAMICALLY)
-+ continue;
-+
- if(merged_symbol->nlist.n_type & N_PEXT){
- /*
- * Place this symbol with the local symbols for the
-@@ -5020,7 +5273,8 @@
- if(allowed_undef == FALSE)
- noundefs = FALSE;
- if(save_reloc == FALSE &&
-- undefined_flag != UNDEFINED_SUPPRESS){
-+ (undefined_flag == UNDEFINED_ERROR ||
-+ undefined_flag == UNDEFINED_WARNING)){
- if(allowed_undef == FALSE || prebound_undef == TRUE){
- if(printed_undef == FALSE){
- if(undefined_flag == UNDEFINED_WARNING)
-@@ -5047,6 +5301,12 @@
- print("%s\n", merged_symbol->nlist.n_un.n_name);
- }
- }
-+ else if(save_reloc == FALSE &&
-+ undefined_flag == UNDEFINED_DYNAMIC_LOOKUP &&
-+ twolevel_namespace == TRUE){
-+ SET_LIBRARY_ORDINAL(merged_symbol->nlist.n_desc,
-+ DYNAMIC_LOOKUP_ORDINAL);
-+ }
- }
- #ifndef RLD
- else {
-@@ -5177,6 +5437,8 @@
- }
-
- #ifndef RLD
-+ lib = NULL;
-+ prev_lib = NULL;
- /*
- * There can be two-level references left on the undefined list. These
- * are "fake" merged symbols as they are not entered in the symbol
-@@ -5198,6 +5460,18 @@
- undefined->merged_symbol->nlist.n_desc);
- if(library_ordinal == SELF_LIBRARY_ORDINAL)
- lib = undefined->merged_symbol->referencing_library;
-+ /*
-+ * Note that if library_ordinal was DYNAMIC_LOOKUP_ORDINAL then
-+ * merge_dylib_module_symbols() in symbols.c would not have
-+ * set the twolevel_reference field to TRUE in the merged_symbol
-+ * and if we get here it with this it is an internal error.
-+ */
-+ else if(library_ordinal == DYNAMIC_LOOKUP_ORDINAL)
-+ fatal("internal error: process_undefineds() 1 with a "
-+ "merged_symbol (%s) on the undefined list with "
-+ "twolevel_reference == TRUE and library_ordinal == "
-+ "DYNAMIC_LOOKUP_ORDINAL", undefined->merged_symbol->
-+ nlist.n_un.n_name);
- else
- lib = undefined->merged_symbol->referencing_library->
- dependent_images[library_ordinal - 1];
-@@ -5205,10 +5479,25 @@
- for(prevs = undefined_list.next;
- prevs != undefined;
- prevs = prevs->next){
-+ if(prevs->merged_symbol->twolevel_reference == FALSE)
-+ continue;
- library_ordinal = GET_LIBRARY_ORDINAL(
- prevs->merged_symbol->nlist.n_desc);
- if(library_ordinal == SELF_LIBRARY_ORDINAL)
- prev_lib = prevs->merged_symbol->referencing_library;
-+ /*
-+ * Note that if library_ordinal was DYNAMIC_LOOKUP_ORDINAL
-+ * then merge_dylib_module_symbols() in symbols.c would not
-+ * have set the twolevel_reference field to TRUE in the
-+ * merged_symbol and if we get here it with this it is an
-+ * internal error.
-+ */
-+ else if(library_ordinal == DYNAMIC_LOOKUP_ORDINAL)
-+ fatal("internal error: process_undefineds() 2 with a "
-+ "merged_symbol (%s) on the undefined list with "
-+ "twolevel_reference == TRUE and library_ordinal "
-+ "== DYNAMIC_LOOKUP_ORDINAL",
-+ prevs->merged_symbol->nlist.n_un.n_name);
- else
- prev_lib = prevs->merged_symbol->referencing_library->
- dependent_images[library_ordinal - 1];
-@@ -5277,9 +5566,10 @@
- "weak " : "",
- merged_symbol->nlist.n_un.n_name);
- #ifndef RLD
-- if(merged_symbol->twolevel_reference == TRUE){
- library_ordinal = GET_LIBRARY_ORDINAL(
- merged_symbol->nlist.n_desc);
-+ if(merged_symbol->twolevel_reference == TRUE &&
-+ library_ordinal != DYNAMIC_LOOKUP_ORDINAL){
- if(library_ordinal == SELF_LIBRARY_ORDINAL)
- lib = merged_symbol->referencing_library;
- else
-@@ -5419,13 +5709,54 @@
- assign_output_symbol_indexes(
- void)
- {
-- unsigned long index, i, nextdefsym, nundefsym;
-+ unsigned long index, i, nextdefsym, nundefsym, n_pext;
- struct merged_symbol_list **p, *merged_symbol_list;
-- struct merged_symbol *merged_symbol;
-+ struct merged_symbol *merged_symbol, *indr_symbol;
- struct object_list *object_list, **q;
-+ struct object_file *last_object;
-+ enum bool rebuild_merged_string_table;
-
-- if(strip_level == STRIP_ALL)
-+ rebuild_merged_string_table = FALSE;
-+ if(strip_level == STRIP_ALL){
-+ if(has_dynamic_linker_command){
-+ strip_level = STRIP_DYNAMIC_EXECUTABLE;
-+ /*
-+ * In order to not put out strings for merged symbols that will
-+ * be discared we need to rebuild the merged string table for
-+ * only the symbols not stripped.
-+ */
-+ merged_string_blocks = NULL;
-+ merged_string_size = 0;
-+ rebuild_merged_string_table = TRUE;
-+ }
-+ else{
-+ seglinkedit = FALSE;
- return;
-+ }
-+ }
-+ /*
-+ * If we are stripping non-globals and we are not keeping private
-+ * externs and we have some private externs in the merged symbol table,
-+ * and the output is not a multi-module dylib, then in order to not put
-+ * out strings for them we also need to rebuild the merged string table
-+ * without these symbols.
-+ */
-+ else if(strip_level == STRIP_NONGLOBALS &&
-+ keep_private_externs == FALSE &&
-+ nmerged_private_symbols != 0 &&
-+ (filetype != MH_DYLIB || multi_module_dylib == FALSE)){
-+ merged_string_blocks = NULL;
-+ merged_string_size = 0;
-+ rebuild_merged_string_table = TRUE;
-+ }
-+
-+ /*
-+ * Add a copy of the object file for the common symbols that the link
-+ * editor allocated into the object file list. Since it is possible
-+ * that some of the common symbols are not on the export list they could
-+ * have been made into private externs.
-+ */
-+ last_object = add_last_object_file(&link_edit_common_object);
-
- /*
- * Private exterals are always kept when any symbols are kept. The
-@@ -5467,7 +5798,12 @@
- if(keep_private_externs == FALSE){
- cur_obj->iprivatesym = index;
- cur_obj->cprivatesym = index;
-+ if(strip_level != STRIP_DYNAMIC_EXECUTABLE &&
-+ (strip_level != STRIP_NONGLOBALS ||
-+ (filetype == MH_DYLIB && multi_module_dylib == TRUE)))
- index += cur_obj->nprivatesym;
-+ else
-+ nstripped_merged_symbols += cur_obj->nprivatesym;
- }
- }
- }
-@@ -5476,12 +5812,21 @@
- */
- if((keep_private_externs == TRUE && index != nlocal_symbols) ||
- (keep_private_externs == FALSE && index != nlocal_symbols +
-- nmerged_private_symbols))
-+ nmerged_private_symbols - nstripped_merged_symbols))
- fatal("internal error: assign_output_symbol_indexes() "
- "inconsistent local symbol counts");
- output_dysymtab_info.dysymtab_command.nlocalsym = index;
-
- /*
-+ * Copy the values that got set in the above loop back into the
-+ * object file for the the common symbols. Then remove the copy of
-+ * the object file from the object file list.
-+ */
-+ link_edit_common_object = *last_object;
-+ remove_last_object_file(last_object);
-+
-+
-+ /*
- * Count the number of undefined symbols and defined external symbols.
- * Private exterals are counted as defined externals if
- * keep_private_externs is TRUE.
-@@ -5504,11 +5849,36 @@
- if(merged_symbol->nlist.n_type == (N_EXT | N_UNDF) ||
- merged_symbol->nlist.n_type == (N_EXT | N_PBUD) ||
- (merged_symbol->nlist.n_type == (N_EXT | N_INDR) &&
-- merged_symbol->defined_in_dylib == TRUE))
-+ merged_symbol->defined_in_dylib == TRUE)){
- nundefsym++;
-- else if(keep_private_externs == TRUE ||
-- (merged_symbol->nlist.n_type & N_PEXT) == 0)
-+ if(rebuild_merged_string_table == TRUE)
-+ merged_symbol->nlist.n_un.n_name =
-+ enter_string(merged_symbol->nlist.n_un.n_name);
-+ }
-+ else{
-+ if(merged_symbol->nlist.n_type == (N_EXT | N_INDR)){
-+ indr_symbol = (struct merged_symbol *)
-+ (merged_symbol->nlist.n_value);
-+ n_pext = indr_symbol->nlist.n_type & N_PEXT;
-+ }
-+ else{
-+ n_pext = merged_symbol->nlist.n_type & N_PEXT;
-+ }
-+ if(keep_private_externs == TRUE || n_pext == 0){
-+ if(strip_level != STRIP_DYNAMIC_EXECUTABLE ||
-+ (merged_symbol->nlist.n_desc &
-+ REFERENCED_DYNAMICALLY) == REFERENCED_DYNAMICALLY){
- nextdefsym++;
-+ if(rebuild_merged_string_table == TRUE)
-+ merged_symbol->nlist.n_un.n_name =
-+ enter_string(merged_symbol->
-+ nlist.n_un.n_name);
-+ }
-+ else{
-+ nstripped_merged_symbols++;
-+ }
-+ }
-+ }
- }
- }
-
-@@ -5543,11 +5913,25 @@
- (merged_symbol->nlist.n_type == (N_EXT | N_INDR) &&
- merged_symbol->defined_in_dylib == TRUE))
- undefsyms_order[nundefsym++] = merged_symbol;
-- else if(keep_private_externs == TRUE ||
-- (merged_symbol->nlist.n_type & N_PEXT) == 0)
-+ else{
-+ if(merged_symbol->nlist.n_type == (N_EXT | N_INDR)){
-+ indr_symbol = (struct merged_symbol *)
-+ (merged_symbol->nlist.n_value);
-+ n_pext = indr_symbol->nlist.n_type & N_PEXT;
-+ }
-+ else{
-+ n_pext = merged_symbol->nlist.n_type & N_PEXT;
-+ }
-+ if(keep_private_externs == TRUE || n_pext == 0){
-+ if(strip_level != STRIP_DYNAMIC_EXECUTABLE ||
-+ (merged_symbol->nlist.n_desc &
-+ REFERENCED_DYNAMICALLY) == REFERENCED_DYNAMICALLY){
- extdefsyms_order[nextdefsym++] = merged_symbol;
- }
- }
-+ }
-+ }
-+ }
- #ifndef SA_RLD
- /*
- * Sort the defined symbols by module for MH_DYLIB formats and by
-@@ -5688,6 +6072,12 @@
-
- #ifndef RLD
- /*
-+ * This is a pointer to the module name saved in the merged string table for
-+ * the one module table entry for a single module dylib.
-+ */
-+char *dylib_single_module_name;
-+
-+/*
- * layout_dylib_tables() sizes and readys the tables for a dynamic library file.
- * The merged symbol indexes have already been assigned before this is called.
- * There are three tables:
-@@ -5705,10 +6095,12 @@
- struct object_list *object_list, **q;
- char *p;
-
-+ if(multi_module_dylib == TRUE){
- /*
-- * The reference table was sized as the symbols were merged. All that
-- * is left to do for the reference table is to adjust the flags for
-- * undefined references that ended up referencing private externs.
-+ * For multi module dylibs the reference table was sized as the
-+ * symbols were merged. All that is left to do for the reference
-+ * table is to adjust the flags for undefined references that ended
-+ * up referencing private externs.
- */
- for(q = &objects; *q; q = &(object_list->next)){
- object_list = *q;
-@@ -5721,7 +6113,8 @@
- if(cur_obj->dylinker)
- continue;
- for(j = 0; j < cur_obj->nrefsym; j++){
-- merged_symbol = cur_obj->reference_maps[j].merged_symbol;
-+ merged_symbol =
-+ cur_obj->reference_maps[j].merged_symbol;
- if(merged_symbol->nlist.n_type & N_PEXT){
- flags = cur_obj->reference_maps[j].flags;
- if(flags == REFERENCE_FLAG_UNDEFINED_NON_LAZY)
-@@ -5735,27 +6128,43 @@
- /*
- * The merged symbol is not a private extern. So it
- * might be a non-weak symbol that is being used and
-- * some weak private externs refs were discarded. If
-- * so we need to make the refs non-weak.
-+ * some weak private externs refs were discarded.
-+ * If so we need to make the refs non-weak.
- */
- flags = cur_obj->reference_maps[j].flags;
-- if(flags == REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY)
-+ if(flags ==
-+ REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY)
- cur_obj->reference_maps[j].flags =
- REFERENCE_FLAG_UNDEFINED_NON_LAZY;
-- else if(flags == REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY)
-+ else if(flags ==
-+ REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY)
- cur_obj->reference_maps[j].flags =
- REFERENCE_FLAG_UNDEFINED_LAZY;
- }
- }
- }
- }
--
-+ }
-+ else{
- /*
-- * The module table is sized from the number of modules loaded. The
-- * module_name of each module in the dynamic shared library is set from
-- * base name or archive member name of the object loaded. The string
-- * for the module_name is then saved with the merged strings so that it
-- * can be converted to a string table index on output.
-+ * For single module dylibs the reference table size is reset here
-+ * from the defined and undefined merged symbols. The contents of
-+ * the reference table for single module dylibs will be filled in
-+ * output_dylib_tables() from the merged symbol table.
-+ */
-+ output_dysymtab_info.dysymtab_command.nextrefsyms =
-+ output_dysymtab_info.dysymtab_command.nextdefsym +
-+ output_dysymtab_info.dysymtab_command.nundefsym;
-+ }
-+
-+ if(multi_module_dylib == TRUE){
-+ /*
-+ * For multi module dylibs the module table is sized from the number
-+ * of modules loaded. The module_name of each module in the dynamic
-+ * shared library is set from base name or archive member name of
-+ * the object loaded. The string for the module_name is then saved
-+ * with the merged strings so that it can be converted to a string
-+ * table index on output.
- */
- output_dysymtab_info.dysymtab_command.nmodtab = 0;
- for(q = &objects; *q; q = &(object_list->next)){
-@@ -5786,6 +6195,17 @@
- }
- }
- }
-+ }
-+ else{
-+ /*
-+ * For single module dylibs there is one module table entry.
-+ * The module_name is set to "single module". The string for the
-+ * module_name is then saved with the merged strings so that it can
-+ * be converted to a string table index on output.
-+ */
-+ output_dysymtab_info.dysymtab_command.nmodtab = 1;
-+ dylib_single_module_name = enter_string("single module");
-+ }
-
- /*
- * The table of contents is sized from the number of defined external
-@@ -5815,6 +6235,7 @@
- struct merged_symbol_list **p, *merged_symbol_list;
- struct merged_symbol *merged_symbol;
- struct dylib_table_of_contents *tocs, *toc;
-+ struct merged_section *ms;
-
- /*
- * Output the reference table.
-@@ -5822,6 +6243,11 @@
- flush_offset = output_dysymtab_info.dysymtab_command.extrefsymoff;
- refs = (struct dylib_reference *)(output_addr + flush_offset);
- ref = refs;
-+ if(multi_module_dylib == TRUE){
-+ /*
-+ * For multi module dylibs there is a reference table for each
-+ * object loaded built from the reference_maps.
-+ */
- for(q = &objects; *q; q = &(object_list->next)){
- object_list = *q;
- for(i = 0; i < object_list->used; i++){
-@@ -5840,6 +6266,35 @@
- }
- }
- }
-+ }
-+ else{
-+ /*
-+ * For single module dylibs there is one reference table and it is
-+ * built from the merged symbol table.
-+ */
-+ for(p = &merged_symbol_lists; *p; p = &(merged_symbol_list->next)){
-+ merged_symbol_list = *p;
-+ for(i = 0; i < merged_symbol_list->used; i++){
-+ merged_symbol = &(merged_symbol_list->merged_symbols[i]);
-+ if(merged_symbol->referenced_in_non_dylib == FALSE)
-+ continue;
-+ if(merged_symbol->nlist.n_type == (N_EXT | N_UNDF) ||
-+ merged_symbol->nlist.n_type == (N_EXT | N_PBUD) ||
-+ (merged_symbol->nlist.n_type == (N_EXT | N_INDR) &&
-+ merged_symbol->defined_in_dylib == TRUE)){
-+ ref->isym = merged_symbol_output_index(merged_symbol);
-+ ref->flags = merged_symbol->nlist.n_desc &
-+ REFERENCE_TYPE;
-+ ref++;
-+ }
-+ else if((merged_symbol->nlist.n_type & N_PEXT) == 0){
-+ ref->isym = merged_symbol_output_index(merged_symbol);
-+ ref->flags = REFERENCE_FLAG_DEFINED;
-+ ref++;
-+ }
-+ }
-+ }
-+ }
- if(host_byte_sex != target_byte_sex){
- swap_dylib_reference(refs,
- output_dysymtab_info.dysymtab_command.nextrefsyms,
-@@ -5855,6 +6310,11 @@
- flush_offset = output_dysymtab_info.dysymtab_command.modtaboff;
- mods = (struct dylib_module *)(output_addr + flush_offset);
- mod = mods;
-+ if(multi_module_dylib == TRUE){
-+ /*
-+ * For multi module dylibs there is a module table for each
-+ * object loaded built from the info saved in the object struct.
-+ */
- for(q = &objects; *q; q = &(object_list->next)){
- object_list = *q;
- for(i = 0; i < object_list->used; i++){
-@@ -5873,7 +6333,7 @@
- mod->nlocalsym = cur_obj->nlocalsym + cur_obj->nprivatesym;
- mod->iextrel = cur_obj->iextrel;
- mod->nextrel = cur_obj->nextrel;
-- mod->iinit_iterm = (cur_obj->iterm << 16) | cur_obj->iinit ;
-+ mod->iinit_iterm = (cur_obj->iterm << 16) | cur_obj->iinit;
- mod->ninit_nterm = (cur_obj->nterm << 16) | cur_obj->ninit;
- if(cur_obj->objc_module_info != NULL){
- mod->objc_module_info_addr =
-@@ -5887,6 +6347,39 @@
- mod->objc_module_info_size = 0;
- }
- mod++;
-+ }
-+ }
-+ }
-+ else{
-+ /*
-+ * For single module dylibs there is one module table entry.
-+ */
-+ mod->module_name = STRING_SIZE_OFFSET +
-+ merged_symbol_string_index(dylib_single_module_name);
-+ mod->iextdefsym =
-+ output_dysymtab_info.dysymtab_command.iextdefsym;
-+ mod->nextdefsym =
-+ output_dysymtab_info.dysymtab_command.nextdefsym;
-+ mod->irefsym = 0;
-+ mod->nrefsym =
-+ output_dysymtab_info.dysymtab_command.nextrefsyms;
-+ mod->ilocalsym =
-+ output_dysymtab_info.dysymtab_command.ilocalsym;
-+ mod->nlocalsym =
-+ output_dysymtab_info.dysymtab_command.nlocalsym;
-+ mod->iextrel = 0;
-+ mod->nextrel =
-+ output_dysymtab_info.dysymtab_command.nextrel;
-+ mod->iinit_iterm = 0;
-+ mod->ninit_nterm = (nterm << 16) | ninit;
-+ ms = lookup_merged_section(SEG_OBJC, SECT_OBJC_MODULES);
-+ if(ms != NULL){
-+ mod->objc_module_info_addr = ms->s.addr;
-+ mod->objc_module_info_size = ms->s.size;
-+ }
-+ else{
-+ mod->objc_module_info_addr = 0;
-+ mod->objc_module_info_size = 0;
- }
- }
- if(host_byte_sex != target_byte_sex){
-diff -rub ld/symbols.h ld/symbols.h
---- ld/symbols.h Tue Jan 14 23:35:25 2003
-+++ ld/symbols.h Mon Aug 25 12:12:29 2003
-@@ -78,7 +78,8 @@
- /* only in the undefined list as a two- */
- /* level namespace reference from a dylib.*/
- weak_reference_mismatch:1, /* seen both a weak and non-weak reference */
-- reserved:1,
-+ define_a_way:1, /* set if this symbol was defined as a */
-+ /* result of -undefined define_a_way */
- output_index:23; /* the symbol table index this symbol will */
- /* have in the output file. */
- int undef_order; /* if the symbol was undefined the order it */
-@@ -184,6 +185,12 @@
- __private_extern__ unsigned long nmerged_symbols_referenced_only_from_dylibs;
-
- /*
-+ * nstripped_merged_symbols is set to the number of merged symbol being stripped
-+ * out when the strip_level is STRIP_DYNAMIC_EXECUTABLE.
-+ */
-+__private_extern__ unsigned long nstripped_merged_symbols;
-+
-+/*
- * The head of the list of the blocks that store the strings for the merged
- * symbols and the total size of all the strings. The size of the strings for
- * the private externals is included in the the merge string size.
-@@ -210,9 +217,6 @@
- * The object file that is created for the common symbols to be allocated in.
- */
- __private_extern__
--#if defined(RLD) && !defined(__DYNAMIC__)
--const
--#endif
- struct object_file link_edit_common_object;
-
- /*
-@@ -255,6 +259,7 @@
- unsigned long index;
- unsigned long count;
- enum localsym_block_state state;
-+ unsigned long input_N_BINCL_n_value;
- unsigned long sum;
- struct localsym_block *next;
- };
-@@ -323,6 +328,8 @@
- void);
- __private_extern__ void define_common_symbols(
- void);
-+__private_extern__ void define_undefined_symbols_a_way(
-+ void);
- __private_extern__ void define_link_editor_execute_symbols(
- unsigned long header_address);
- __private_extern__ void setup_link_editor_symbols(
-@@ -369,6 +376,8 @@
- #endif /* defined(RLD) && !defined(SA_RLD) */
- __private_extern__ enum bool is_output_local_symbol(
- unsigned char n_type,
-+ unsigned char n_sect,
-+ struct object_file *obj,
- char *symbol_name);
- __private_extern__ unsigned long merged_symbol_output_index(
- struct merged_symbol *merged_symbol);
projects / org.ibex.core.git / blobdiff