[project @ 2003-06-26 20:58:33 by panne]

[ghc-hetmet.git] / ghc / rts / Linker.c

diff --git a/ghc/rts/Linker.c b/ghc/rts/Linker.c
index c9578fe..64a367b 100644 (file)
--- a/ghc/rts/Linker.c
+++ b/ghc/rts/Linker.c
@@ -1,5 +1,5 @@
 /* -----------------------------------------------------------------------------
- * $Id: Linker.c,v 1.118 2003/03/31 14:02:32 simonmar Exp $
+ * $Id: Linker.c,v 1.124 2003/06/26 20:58:33 panne Exp $
  *
  * (c) The GHC Team, 2000-2003
  *
@@ -92,7 +92,7 @@ static int ocVerifyImage_MachO    ( ObjectCode* oc );
 static int ocGetNames_MachO       ( ObjectCode* oc );
 static int ocResolve_MachO        ( ObjectCode* oc );
 
-static void machoInitSymbolsWithoutUnderscore();
+static void machoInitSymbolsWithoutUnderscore( void );
 #endif
 
 /* -----------------------------------------------------------------------------
@@ -214,6 +214,15 @@ typedef struct _RtsSymbolVal {
 #define RTS_POSIX_ONLY_SYMBOLS  /**/
 #define RTS_CYGWIN_ONLY_SYMBOLS /**/
 
+/* Extra syms gen'ed by mingw-2's gcc-3.2: */
+#if __GNUC__>=3
+#define RTS_MINGW_EXTRA_SYMS                    \
+      Sym(_imp____mb_cur_max)                   \
+      Sym(_imp___pctype)            
+#else
+#define RTS_MINGW_EXTRA_SYMS
+#endif
+
 /* These are statically linked from the mingw libraries into the ghc
    executable, so we have to employ this hack. */
 #define RTS_MINGW_ONLY_SYMBOLS                  \
@@ -278,6 +287,7 @@ typedef struct _RtsSymbolVal {
       Sym(opendir)                              \
       Sym(readdir)                              \
       Sym(rewinddir)                            \
+      RTS_MINGW_EXTRA_SYMS                      \
       Sym(closedir)
 #endif
 
@@ -401,6 +411,7 @@ typedef struct _RtsSymbolVal {
       SymX(quotIntegerzh_fast)                 \
       SymX(quotRemIntegerzh_fast)              \
       SymX(raisezh_fast)                       \
+      SymX(raiseIOzh_fast)                     \
       SymX(remIntegerzh_fast)                  \
       SymX(resetNonBlockingFd)                 \
       SymX(resumeThread)                       \
@@ -543,32 +554,33 @@ typedef struct _RtsSymbolVal {
       Sym(__ashrdi3)                           \
       Sym(__lshrdi3)                           \
       Sym(__eprintf)
+#elif defined(ia64_TARGET_ARCH)
+#define RTS_LIBGCC_SYMBOLS                     \
+      Sym(__divdi3)                            \
+      Sym(__udivdi3)                            \
+      Sym(__moddi3)                            \
+      Sym(__umoddi3)                           \
+      Sym(__divsf3)                            \
+      Sym(__divdf3)
 #else
 #define RTS_LIBGCC_SYMBOLS
 #endif
 
-#ifdef ia64_TARGET_ARCH
-/* force these symbols to be present */
-#define RTS_EXTRA_SYMBOLS                      \
-      Sym(__divsf3)
-#elif defined(powerpc_TARGET_ARCH)
+#ifdef darwin_TARGET_OS
       // Symbols that don't have a leading underscore
       // on Mac OS X. They have to receive special treatment,
       // see machoInitSymbolsWithoutUnderscore()
 #define RTS_MACHO_NOUNDERLINE_SYMBOLS          \
       Sym(saveFP)                              \
       Sym(restFP)
-#else
-#define RTS_EXTRA_SYMBOLS /* nothing */
 #endif
 
 /* entirely bogus claims about types of these symbols */
-#define Sym(vvv)  extern void (vvv);
+#define Sym(vvv)  extern void vvv(void);
 #define SymX(vvv) /**/
 #define SymX_redirect(vvv,xxx) /**/
 RTS_SYMBOLS
 RTS_LONG_LONG_SYMS
-RTS_EXTRA_SYMBOLS
 RTS_POSIX_ONLY_SYMBOLS
 RTS_MINGW_ONLY_SYMBOLS
 RTS_CYGWIN_ONLY_SYMBOLS
@@ -596,7 +608,6 @@ RTS_LIBGCC_SYMBOLS
 static RtsSymbolVal rtsSyms[] = {
       RTS_SYMBOLS
       RTS_LONG_LONG_SYMS
-      RTS_EXTRA_SYMBOLS
       RTS_POSIX_ONLY_SYMBOLS
       RTS_MINGW_ONLY_SYMBOLS
       RTS_CYGWIN_ONLY_SYMBOLS
@@ -2031,11 +2042,19 @@ ocResolve_PEi386 ( ObjectCode* oc )
 #define Elf_Sym     Elf32_Sym
 #define Elf_Rel     Elf32_Rel
 #define Elf_Rela    Elf32_Rela
+#ifndef ELF_ST_TYPE
 #define ELF_ST_TYPE ELF32_ST_TYPE
+#endif
+#ifndef ELF_ST_BIND
 #define ELF_ST_BIND ELF32_ST_BIND
+#endif
+#ifndef ELF_R_TYPE
 #define ELF_R_TYPE  ELF32_R_TYPE
+#endif
+#ifndef ELF_R_SYM
 #define ELF_R_SYM   ELF32_R_SYM
 #endif
+#endif
 
 
 /*
@@ -2696,8 +2715,8 @@ do_Elf_Rela_relocations ( ObjectCode* oc, char* ehdrC,
 #ifdef ELF_FUNCTION_DESC
            /* If a function, already a function descriptor - we would
               have to copy it to add an offset. */
-            if (S && ELF_ST_TYPE(sym.st_info) == STT_FUNC)
-               assert(A == 0);
+            if (S && (ELF_ST_TYPE(sym.st_info) == STT_FUNC) && (A != 0))
+               belch("%s: function %s with addend %p", oc->fileName, symbol, (void *)A);
 #endif
         }
          if (!S) {
@@ -2756,6 +2775,9 @@ do_Elf_Rela_relocations ( ObjectCode* oc, char* ehdrC,
         case R_IA64_FPTR64LSB:
            *pP = value;
            break;
+        case R_IA64_PCREL64LSB:
+           *pP = value - P;
+           break;
         case R_IA64_SEGREL64LSB:
            addr = findElfSegment(ehdrC, value);
            *pP = value - addr;
@@ -2764,6 +2786,7 @@ do_Elf_Rela_relocations ( ObjectCode* oc, char* ehdrC,
            ia64_reloc_gprel22(P, value);
            break;
         case R_IA64_LTOFF22:
+        case R_IA64_LTOFF22X:
         case R_IA64_LTOFF_FPTR22:
            addr = allocateGOTEntry(value);
            ia64_reloc_gprel22(P, addr);
@@ -2771,6 +2794,10 @@ do_Elf_Rela_relocations ( ObjectCode* oc, char* ehdrC,
         case R_IA64_PCREL21B:
            ia64_reloc_pcrel21(P, S, oc);
            break;
+        case R_IA64_LDXMOV:
+           /* This goes with R_IA64_LTOFF22X and points to the load to
+            * convert into a move.  We don't implement relaxation. */
+           break;
 #        endif
          default:
             belch("%s: unhandled ELF relocation(RelA) type %d\n",