diff options
Diffstat (limited to 'hw/xfree86/loader/elfloader.c')
| -rw-r--r-- | hw/xfree86/loader/elfloader.c | 55 |
1 files changed, 38 insertions, 17 deletions
diff --git a/hw/xfree86/loader/elfloader.c b/hw/xfree86/loader/elfloader.c index 5ab8af62d..4d2a050f7 100644 --- a/hw/xfree86/loader/elfloader.c +++ b/hw/xfree86/loader/elfloader.c @@ -1,4 +1,5 @@ -/* $XFree86: xc/programs/Xserver/hw/xfree86/loader/elfloader.c,v 1.62 2003/11/06 18:38:13 tsi Exp $ */ +/* $XdotOrg$ */ +/* $XFree86: xc/programs/Xserver/hw/xfree86/loader/elfloader.c,v 1.61tsi Exp $ */ /* * @@ -137,7 +138,7 @@ # if !defined(linux) # error No MAP_ANON? # endif -# if !defined (__AMD64__) || !defined(__linux__) +# if !defined (__amd64__) || !defined(__linux__) # define MMAP_FLAGS (MAP_PRIVATE | MAP_ANON) # else # define MMAP_FLAGS (MAP_PRIVATE | MAP_ANON | MAP_32BIT) @@ -155,7 +156,7 @@ #if defined (__alpha__) || \ defined (__ia64__) || \ - defined (__AMD64__) || \ + defined (__amd64__) || \ (defined (__sparc__) && \ (defined (__arch64__) || \ defined (__sparcv9))) @@ -247,7 +248,7 @@ typedef Elf32_Word Elf_Word; defined(__alpha__) || \ defined(__sparc__) || \ defined(__ia64__) || \ - defined(__AMD64__) + defined(__amd64__) typedef Elf_Rela Elf_Rel_t; #else typedef Elf_Rel Elf_Rel_t; @@ -441,7 +442,7 @@ ElfDelayRelocation(ELFModulePtr elffile, Elf_Word secn, Elf_Rel_t *rel) defined(__alpha__) || \ defined(__sparc__) || \ defined(__ia64__) || \ - defined(__AMD64__) + defined(__amd64__) ELFDEBUG(", r_addend 0x%lx", rel->r_addend); # endif ELFDEBUG("\n"); @@ -476,7 +477,7 @@ ElfCOMMONSize(void) size += common->sym->st_size; #if defined(__alpha__) || \ defined(__ia64__) || \ - defined(__AMD64__) || \ + defined(__amd64__) || \ (defined(__sparc__) && \ (defined(__arch64__) || \ defined(__sparcv9))) @@ -500,7 +501,7 @@ ElfCreateCOMMON(ELFModulePtr elffile, LOOKUP *pLookup) size += common->sym->st_size; #if defined(__alpha__) || \ defined(__ia64__) || \ - defined(__AMD64__) || \ + defined(__amd64__) || \ (defined(__sparc__) && \ (defined(__arch64__) || \ defined(__sparcv9))) @@ -555,7 +556,7 @@ ElfCreateCOMMON(ELFModulePtr elffile, LOOKUP *pLookup) offset += common->sym->st_size; #if defined(__alpha__) || \ defined(__ia64__) || \ - defined(__AMD64__) || \ + defined(__amd64__) || \ (defined(__sparc__) && \ (defined(__arch64__) || \ defined(__sparcv9))) @@ -921,7 +922,7 @@ ELFCreateGOT(ELFModulePtr elffile, int maxalign) ErrorF("ELFCreateGOT() Unable to reallocate memory!!!!\n"); return FALSE; } -# if defined(linux) && defined(__ia64__) || defined(__OpenBSD__) +# if defined(linux) || defined(__OpenBSD__) { unsigned long page_size = getpagesize(); unsigned long round; @@ -1096,6 +1097,18 @@ ELFCreatePLT(ELFModulePtr elffile) ErrorF("ELFCreatePLT() Unable to allocate memory!!!!\n"); return; } +# if defined(linux) || defined(__OpenBSD__) + { + unsigned long page_size = getpagesize(); + unsigned long round; + + round = (unsigned long)elffile->plt & (page_size - 1); + mprotect(elffile->plt - round, + (elffile->pltsize + round + page_size - 1) & ~(page_size - 1), + PROT_READ | PROT_WRITE | PROT_EXEC); + } +# endif + elffile->sections[elffile->pltndx].sh_size = elffile->pltsize; # ifdef ELFDEBUG ELFDEBUG("ELFCreatePLT: PLT address %lx\n", elffile->plt); @@ -1216,7 +1229,7 @@ Elf_RelocateEntry(ELFModulePtr elffile, Elf_Word secn, Elf_Rel_t *rel, unsigned long *dest64; unsigned short *dest16; #endif -#if defined(__AMD64__) +#if defined(__amd64__) unsigned long *dest64; int *dest32s; #endif @@ -1234,7 +1247,7 @@ Elf_RelocateEntry(ELFModulePtr elffile, Elf_Word secn, Elf_Rel_t *rel, defined(__alpha__) || \ defined(__sparc__) || \ defined(__ia64__) || \ - defined(__AMD64__) + defined(__amd64__) ELFDEBUG("%lx", rel->r_addend); # endif ELFDEBUG("\n"); @@ -1293,7 +1306,7 @@ Elf_RelocateEntry(ELFModulePtr elffile, Elf_Word secn, Elf_Rel_t *rel, break; #endif /* i386 */ -#if defined(__AMD64__) +#if defined(__amd64__) case R_X86_64_32: dest32 = (unsigned int *)(secp + rel->r_offset); # ifdef ELFDEBUG @@ -1350,7 +1363,7 @@ Elf_RelocateEntry(ELFModulePtr elffile, Elf_Word secn, Elf_Rel_t *rel, ELFDEBUG("*dest64=%8.8lx\n", *dest64); # endif break; -#endif /* __AMD64__ */ +#endif /* __amd64__ */ #if defined(__alpha__) case R_ALPHA_NONE: case R_ALPHA_LITUSE: @@ -2696,6 +2709,8 @@ ELFCollectSections(ELFModulePtr elffile, int pass, int *totalsize, continue; if (!strcmp(name, ".stabstr")) /* ignore debug info */ continue; + if (!strcmp(name, ".stab.indexstr")) /* ignore more debug info */ + continue; case SHT_SYMTAB: if (pass) continue; @@ -2760,10 +2775,16 @@ ELFCollectSections(ELFModulePtr elffile, int pass, int *totalsize, elffile->lsection[j].size = SecSize(i); elffile->lsection[j].flags = flags; switch (SecType(i)) { -#ifdef __OpenBSD__ +#if defined(linux) || defined(__OpenBSD__) case SHT_PROGBITS: - mprotect(elffile->lsection[j].saddr, SecSize(i), - PROT_READ | PROT_WRITE | PROT_EXEC); + { + unsigned long page_size = getpagesize(); + unsigned long round; + + round = (unsigned long)elffile->lsection[j].saddr & (page_size -1); + mprotect( (char *)elffile->lsection[j].saddr - round, + SecSize(i) + round, PROT_READ | PROT_WRITE | PROT_EXEC); + } break; #endif case SHT_SYMTAB: @@ -2958,7 +2979,7 @@ ELFLoadModule(loaderPtr modrec, int elffd, LOOKUP **ppLookup) ErrorF("Unable to allocate ELF sections\n"); return NULL; } -# if defined(linux) && defined(__ia64__) || defined(__OpenBSD__) +# if defined(linux) || defined(__OpenBSD__) { unsigned long page_size = getpagesize(); unsigned long round; 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