fix #3910
[ghc-hetmet.git] / rts / ghc.mk
index bf110fa..55a11ba 100644 (file)
@@ -37,14 +37,13 @@ endif
 
 EXCLUDED_SRCS += rts/Main.c
 EXCLUDED_SRCS += rts/parallel/SysMan.c
-EXCLUDED_SRCS += rts/dyn-wrapper.c
 EXCLUDED_SRCS += $(wildcard rts/Vis*.c)
 
 rts_C_SRCS = $(filter-out $(EXCLUDED_SRCS),$(wildcard rts/*.c $(foreach dir,$(ALL_DIRS),rts/$(dir)/*.c)))
 rts_CMM_SRCS = $(wildcard rts/*.cmm)
 
 # Don't compile .S files when bootstrapping a new arch
-ifeq "$(TARGETPLATFORM)" "$(HOSTPLATFORM)"
+ifneq "$(PORTING_HOST)" "YES"
 ifneq "$(findstring $(TargetArch_CPP), powerpc powerpc64)" ""
 rts_S_SRCS += rts/AdjustorAsm.S
 else
@@ -158,7 +157,7 @@ rts_$1_CMM_OBJS = $$(patsubst rts/%.cmm,rts/dist/build/%.$$($1_osuf),$$(rts_CMM_
 
 rts_$1_OBJS = $$(rts_$1_C_OBJS) $$(rts_$1_S_OBJS) $$(rts_$1_CMM_OBJS)
 
-rts_dist_$1_CC_OPTS += -DRtsWay=$$(DQ)rts_$1$$(DQ)
+rts_dist_$1_CC_OPTS += -DRtsWay=\"rts_$1\"
 
 # Making a shared library for the RTS.
 ifneq "$$(findstring dyn, $1)" ""
@@ -167,15 +166,15 @@ $$(rts_$1_LIB) : $$(rts_$1_OBJS) $$(ALL_RTS_DEF_LIBS) rts/libs.depend
        "$$(RM)" $$(RM_OPTS) $$@
        "$$(rts_dist_HC)" -package-name rts -shared -dynamic -dynload deploy \
          -no-auto-link-packages `cat rts/libs.depend` $$(rts_$1_OBJS) $$(ALL_RTS_DEF_LIBS) -o $$@
-ifeq "$$(darwin_TARGET_OS)" "1"
-       # Ensure library's install name is correct before anyone links with it.
-       install_name_tool -id $(ghclibdir)/$$(rts_$1_LIB_NAME) $$@
-endif
 else
 $$(rts_$1_LIB) : $$(rts_$1_OBJS) rts/libs.depend
        "$$(RM)" $$(RM_OPTS) $$@
        "$$(rts_dist_HC)" -package-name rts -shared -dynamic -dynload deploy \
          -no-auto-link-packages `cat rts/libs.depend` $$(rts_$1_OBJS) -o $$@
+ifeq "$$(darwin_HOST_OS)" "1"
+       # Ensure library's install name is correct before anyone links with it.
+       install_name_tool -id $(ghclibdir)/$$(rts_$1_LIB_NAME) $$@
+endif
 endif
 else
 $$(rts_$1_LIB) : $$(rts_$1_OBJS)
@@ -252,11 +251,6 @@ rts_CC_OPTS += $(MACOSX_DEPLOYMENT_CC_OPTS)
 rts_HC_OPTS += $(addprefix -optc, $(MACOSX_DEPLOYMENT_CC_OPTS))
 rts_LD_OPTS += $(addprefix -optl, $(MACOSX_DEPLOYMENT_LD_OPTS))
 
-# Otherwise the stack-smash handler gets triggered.
-ifneq "$(findstring $(TargetOS_CPP), darwin openbsd)" ""
-rts_HC_OPTS += -optc-fno-stack-protector
-endif
-
 # We *want* type-checking of hand-written cmm.
 rts_HC_OPTS += -dcmm-lint 
 
@@ -277,35 +271,71 @@ endif
 #-----------------------------------------------------------------------------
 # Flags for compiling specific files
 
-# XXX DQ is now the same on all platforms, so get rid of it
-DQ = \"
-
 # If RtsMain.c is built with optimisation then the SEH exception stuff on
 # Windows gets confused.
 # This has to be in HC rather than CC opts, as otherwise there's a
 # -optc-O2 that comes after it.
 rts/RtsMain_HC_OPTS += -optc-O0
 
-rts/RtsMessages_CC_OPTS += -DProjectVersion=$(DQ)$(ProjectVersion)$(DQ)
-rts/RtsUtils_CC_OPTS += -DProjectVersion=$(DQ)$(ProjectVersion)$(DQ)
+rts/RtsMessages_CC_OPTS += -DProjectVersion=\"$(ProjectVersion)\"
+rts/RtsUtils_CC_OPTS += -DProjectVersion=\"$(ProjectVersion)\"
+#
+rts/RtsUtils_CC_OPTS += -DHostPlatform=\"$(HOSTPLATFORM)\"
+rts/RtsUtils_CC_OPTS += -DHostArch=\"$(HostArch_CPP)\"
+rts/RtsUtils_CC_OPTS += -DHostOS=\"$(HostOS_CPP)\"
+rts/RtsUtils_CC_OPTS += -DHostVendor=\"$(HostVendor_CPP)\"
 #
-rts/RtsUtils_CC_OPTS += -DHostPlatform=$(DQ)$(HOSTPLATFORM)$(DQ)
-rts/RtsUtils_CC_OPTS += -DHostArch=$(DQ)$(HostArch_CPP)$(DQ)
-rts/RtsUtils_CC_OPTS += -DHostOS=$(DQ)$(HostOS_CPP)$(DQ)
-rts/RtsUtils_CC_OPTS += -DHostVendor=$(DQ)$(HostVendor_CPP)$(DQ)
+rts/RtsUtils_CC_OPTS += -DBuildPlatform=\"$(BUILDPLATFORM)\"
+rts/RtsUtils_CC_OPTS += -DBuildArch=\"$(BuildArch_CPP)\"
+rts/RtsUtils_CC_OPTS += -DBuildOS=\"$(BuildOS_CPP)\"
+rts/RtsUtils_CC_OPTS += -DBuildVendor=\"$(BuildVendor_CPP)\"
 #
-rts/RtsUtils_CC_OPTS += -DBuildPlatform=$(DQ)$(BUILDPLATFORM)$(DQ)
-rts/RtsUtils_CC_OPTS += -DBuildArch=$(DQ)$(BuildArch_CPP)$(DQ)
-rts/RtsUtils_CC_OPTS += -DBuildOS=$(DQ)$(BuildOS_CPP)$(DQ)
-rts/RtsUtils_CC_OPTS += -DBuildVendor=$(DQ)$(BuildVendor_CPP)$(DQ)
+rts/RtsUtils_CC_OPTS += -DTargetPlatform=\"$(TARGETPLATFORM)\"
+rts/RtsUtils_CC_OPTS += -DTargetArch=\"$(TargetArch_CPP)\"
+rts/RtsUtils_CC_OPTS += -DTargetOS=\"$(TargetOS_CPP)\"
+rts/RtsUtils_CC_OPTS += -DTargetVendor=\"$(TargetVendor_CPP)\"
 #
-rts/RtsUtils_CC_OPTS += -DTargetPlatform=$(DQ)$(TARGETPLATFORM)$(DQ)
-rts/RtsUtils_CC_OPTS += -DTargetArch=$(DQ)$(TargetArch_CPP)$(DQ)
-rts/RtsUtils_CC_OPTS += -DTargetOS=$(DQ)$(TargetOS_CPP)$(DQ)
-rts/RtsUtils_CC_OPTS += -DTargetVendor=$(DQ)$(TargetVendor_CPP)$(DQ)
+rts/RtsUtils_CC_OPTS += -DGhcUnregisterised=\"$(GhcUnregisterised)\"
+rts/RtsUtils_CC_OPTS += -DGhcEnableTablesNextToCode=\"$(GhcEnableTablesNextToCode)\"
+
+# Compile various performance-critical pieces *without* -fPIC -dynamic
+# even when building a shared library.  If we don't do this, then the
+# GC runs about 50% slower on x86 due to the overheads of PIC.  The
+# cost of doing this is a little runtime linking and less sharing, but
+# not much.
 #
-rts/RtsUtils_CC_OPTS += -DGhcUnregisterised=$(DQ)$(GhcUnregisterised)$(DQ)
-rts/RtsUtils_CC_OPTS += -DGhcEnableTablesNextToCode=$(DQ)$(GhcEnableTablesNextToCode)$(DQ)
+# On x86_64 this doesn't work, because all objects in a shared library
+# must be compiled with -fPIC (since the 32-bit relocations generated
+# by the default small memory can't be resolved at runtime).  So we
+# only do this on i386.
+#
+# This apparently doesn't work on OS X (Darwin) where we get errors of
+# the form
+#
+#  ld: absolute addressing (perhaps -mdynamic-no-pic) used in _stg_ap_0_fast from rts/dist/build/Apply.dyn_o not allowed in slidable image
+#
+# and lots of these warnings:
+#
+#  ld: warning codegen in _stg_ap_pppv_fast (offset 0x0000005E) prevents image from loading in dyld shared cache
+#
+ifeq "$(TargetArch_CPP)" "i386"
+ifneq "$(TargetOS_CPP)" "darwin"
+rts/sm/Evac_HC_OPTS           += -fno-PIC
+rts/sm/Evac_thr_HC_OPTS       += -fno-PIC
+rts/sm/Scav_HC_OPTS           += -fno-PIC
+rts/sm/Scav_thr_HC_OPTS       += -fno-PIC
+rts/sm/Compact_HC_OPTS        += -fno-PIC
+rts/sm/GC_HC_OPTS             += -fno-PIC
+
+# -static is also necessary for these bits, otherwise the NCG
+# -generates dynamic references:
+rts/Updates_HC_OPTS += -fno-PIC -static
+rts/StgMiscClosures_HC_OPTS += -fno-PIC -static
+rts/PrimOps_HC_OPTS += -fno-PIC -static
+rts/Apply_HC_OPTS += -fno-PIC -static
+rts/dist/build/AutoApply_HC_OPTS += -fno-PIC -static
+endif
+endif
 
 # ffi.h triggers prototype warnings, so disable them here:
 rts/Interpreter_CC_OPTS += -Wno-strict-prototypes
@@ -404,14 +434,6 @@ rts_HSC2HS_OPTS += -Ilibffi/build/include
 rts_LD_OPTS     += -Llibffi/build/include
 
 # -----------------------------------------------------------------------------
-# compile generic patchable dyn-wrapper
-
-DYNWRAPPER_SRC = rts/dyn-wrapper.c
-DYNWRAPPER_PROG = rts/dyn-wrapper$(exeext)
-$(DYNWRAPPER_PROG): $(DYNWRAPPER_SRC)
-       "$(HC)" -cpp -optc-include -optcdyn-wrapper-patchable-behaviour.h $(INPLACE_EXTRA_FLAGS) $< -o $@
-
-# -----------------------------------------------------------------------------
 # compile dtrace probes if dtrace is supported
 
 ifeq "$(HaveDtrace)" "YES"
@@ -420,7 +442,7 @@ rts_CC_OPTS         += -DDTRACE
 rts_HC_OPTS            += -DDTRACE
 
 DTRACEPROBES_SRC = rts/RtsProbes.d
-$(DTRACEPROBES_H): $(DTRACEPROBES_SRC) | $(dir $@)/.
+$(DTRACEPROBES_H): $(DTRACEPROBES_SRC) includes/ghcplatform.h | $(dir $@)/.
        "$(DTRACE)" $(filter -I%,$(rts_CC_OPTS)) -C -h -o $@ -s $<
 
 endif
@@ -430,6 +452,7 @@ endif
 
 ifneq "$(BINDIST)" "YES"
 rts/dist/build/libHSrtsmain.a : rts/dist/build/Main.o
+       "$(RM)" $(RM_OPTS) $@
        "$(AR)" $(AR_OPTS) $(EXTRA_AR_ARGS) $@ $<
 endif