#if !defined (mingw32_HOST_OS)
#define RTS_POSIX_ONLY_SYMBOLS \
+ SymX(signal_handlers) \
SymX(stg_sig_install) \
Sym(nocldstop)
#endif
#if !defined(mingw32_HOST_OS)
#define RTS_USER_SIGNALS_SYMBOLS \
- SymX(startSignalHandler) \
SymX(setIOManagerPipe)
#else
#define RTS_USER_SIGNALS_SYMBOLS /* nothing */
SymX(rts_mkWord8) \
SymX(rts_unlock) \
SymX(rtsSupportsBoundThreads) \
- SymX(run_queue_hd) \
SymX(__hscore_get_saved_termios) \
SymX(__hscore_set_saved_termios) \
SymX(setProgArgv) \
// debugBelch("ghci_enquire: can't find %s\n", sym);
}
else if (addr-DELTA <= a && a <= addr+DELTA) {
- debugBelch("%p + %3d == `%s'\n", addr, a - addr, sym);
+ debugBelch("%p + %3d == `%s'\n", addr, (int)(a - addr), sym);
}
}
}
// reading the file, and then we misalign oc->image on purpose so
// that the actual sections end up aligned again.
misalignment = machoGetMisalignment(f);
+ oc->misalignment = misalignment;
#else
misalignment = 0;
#endif
int pagesize, n, m;
#endif
int aligned;
+ int misalignment = 0;
+#if darwin_HOST_OS
+ misalignment = oc->misalignment;
+#endif
if( count > 0 )
{
}
#else
+ oc->image -= misalignment;
oc->image = stgReallocBytes( oc->image,
+ misalignment +
aligned + sizeof (ppcJumpIsland) * count,
"ocAllocateJumpIslands" );
+ oc->image += misalignment;
#endif /* USE_MMAP */
oc->jump_islands = (ppcJumpIsland *) (oc->image + aligned);
/* Allocate space for any (local, anonymous) .bss sections. */
for (i = 0; i < hdr->NumberOfSections; i++) {
+ UInt32 bss_sz;
UChar* zspace;
COFF_section* sectab_i
= (COFF_section*)
myindex ( sizeof_COFF_section, sectab, i );
if (0 != strcmp(sectab_i->Name, ".bss")) continue;
- if (sectab_i->VirtualSize == 0) continue;
+ /* sof 10/05: the PE spec text isn't too clear regarding what
+ * the SizeOfRawData field is supposed to hold for object
+ * file sections containing just uninitialized data -- for executables,
+ * it is supposed to be zero; unclear what it's supposed to be
+ * for object files. However, VirtualSize is guaranteed to be
+ * zero for object files, which definitely suggests that SizeOfRawData
+ * will be non-zero (where else would the size of this .bss section be
+ * stored?) Looking at the COFF_section info for incoming object files,
+ * this certainly appears to be the case.
+ *
+ * => I suspect we've been incorrectly handling .bss sections in (relocatable)
+ * object files up until now. This turned out to bite us with ghc-6.4.1's use
+ * of gcc-3.4.x, which has started to emit initially-zeroed-out local 'static'
+ * variable decls into to the .bss section. (The specific function in Q which
+ * triggered this is libraries/base/cbits/dirUtils.c:__hscore_getFolderPath())
+ */
+ if (sectab_i->VirtualSize == 0 && sectab_i->SizeOfRawData == 0) continue;
/* This is a non-empty .bss section. Allocate zeroed space for
it, and set its PointerToRawData field such that oc->image +
PointerToRawData == addr_of_zeroed_space. */
- zspace = stgCallocBytes(1, sectab_i->VirtualSize,
- "ocGetNames_PEi386(anonymous bss)");
+ bss_sz = sectab_i->VirtualSize;
+ if ( bss_sz < sectab_i->SizeOfRawData) { bss_sz = sectab_i->SizeOfRawData; }
+ zspace = stgCallocBytes(1, bss_sz, "ocGetNames_PEi386(anonymous bss)");
sectab_i->PointerToRawData = ((UChar*)zspace) - ((UChar*)(oc->image));
- addProddableBlock(oc, zspace, sectab_i->VirtualSize);
+ addProddableBlock(oc, zspace, bss_sz);
/* debugBelch("BSS anon section at 0x%x\n", zspace); */
}
COFF_reloc* rel = (COFF_reloc*)
myindex ( sizeof_COFF_reloc, reltab, 0 );
noRelocs = rel->VirtualAddress;
+
+ /* 10/05: we now assume (and check for) a GNU ld that is capable
+ * of handling object files with (>2^16) of relocs.
+ */
+#if 0
debugBelch("WARNING: Overflown relocation field (# relocs found: %u)\n",
noRelocs);
+#endif
j = 1;
} else {
noRelocs = sectab_i->NumberOfRelocations;
}
IF_DEBUG(linker,debugBelch(
- "\nSection header table: start %d, n_entries %d, ent_size %d\n",
- ehdr->e_shoff, ehdr->e_shnum, ehdr->e_shentsize ));
+ "\nSection header table: start %ld, n_entries %d, ent_size %d\n",
+ (long)ehdr->e_shoff, ehdr->e_shnum, ehdr->e_shentsize ));
ASSERT (ehdr->e_shentsize == sizeof(Elf_Shdr));
nsymtabs++;
stab = (Elf_Sym*) (ehdrC + shdr[i].sh_offset);
nent = shdr[i].sh_size / sizeof(Elf_Sym);
- IF_DEBUG(linker,debugBelch( " number of entries is apparently %d (%d rem)\n",
+ IF_DEBUG(linker,debugBelch( " number of entries is apparently %d (%ld rem)\n",
nent,
- shdr[i].sh_size % sizeof(Elf_Sym)
+ (long)shdr[i].sh_size % sizeof(Elf_Sym)
));
if (0 != shdr[i].sh_size % sizeof(Elf_Sym)) {
errorBelch("%s: non-integral number of symbol table entries", oc->fileName);
case R_386_PC32: *pP = value - P; break;
# endif
default:
- errorBelch("%s: unhandled ELF relocation(Rel) type %d\n",
- oc->fileName, ELF_R_TYPE(info));
+ errorBelch("%s: unhandled ELF relocation(Rel) type %lu\n",
+ oc->fileName, (lnat)ELF_R_TYPE(info));
return 0;
}
Elf_Sym* stab, char* strtab )
{
int j;
- char *symbol;
+ char *symbol = NULL;
Elf_Addr targ;
Elf_Rela* rtab = (Elf_Rela*) (ehdrC + shdr[shnum].sh_offset);
int nent = shdr[shnum].sh_size / sizeof(Elf_Rela);
#endif
default:
- errorBelch("%s: unhandled ELF relocation(RelA) type %d\n",
- oc->fileName, ELF_R_TYPE(info));
+ errorBelch("%s: unhandled ELF relocation(RelA) type %lu\n",
+ oc->fileName, (lnat)ELF_R_TYPE(info));
return 0;
}