diff options
Diffstat (limited to 'elf')
| -rw-r--r-- | elf/dl-reloc.c | 9 | ||||
| -rw-r--r-- | elf/dynamic-link.h | 20 | ||||
| -rw-r--r-- | elf/elf.h | 6 | ||||
| -rw-r--r-- | elf/link.h | 9 |
4 files changed, 28 insertions, 16 deletions
diff --git a/elf/dl-reloc.c b/elf/dl-reloc.c index 7e4f4992a7..b7d484d2df 100644 --- a/elf/dl-reloc.c +++ b/elf/dl-reloc.c @@ -1,5 +1,5 @@ /* Relocate a shared object and resolve its references to other loaded objects. -Copyright (C) 1995 Free Software Foundation, Inc. +Copyright (C) 1995, 1996 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -93,10 +93,9 @@ _dl_relocate_object (struct link_map *l, int lazy) l->l_prev->l_next = l; } - if (l->l_info[DT_JMPREL] && lazy) - /* Set up the PLT so its unrelocated entries will - jump to _dl_runtime_resolve, which will relocate them. */ - elf_machine_runtime_setup (l); + /* Set up the PLT so its unrelocated entries will + jump to _dl_runtime_resolve, which will relocate them. */ + elf_machine_runtime_setup (l, lazy); l->l_relocated = 1; diff --git a/elf/dynamic-link.h b/elf/dynamic-link.h index 84d440ec5b..0c4e99d2b6 100644 --- a/elf/dynamic-link.h +++ b/elf/dynamic-link.h @@ -25,11 +25,11 @@ Cambridge, MA 02139, USA. */ /* Read the dynamic section at DYN and fill in INFO with indices DT_*. */ static inline void -elf_get_dynamic_info (Elf32_Dyn *dyn, Elf32_Dyn *info[DT_NUM]) +elf_get_dynamic_info (Elf32_Dyn *dyn, Elf32_Dyn *info[DT_NUM + DT_PROCNUM]) { unsigned int i; - for (i = 0; i < DT_NUM; ++i) + for (i = 0; i < DT_NUM + DT_PROCNUM; ++i) info[i] = NULL; if (! dyn) @@ -37,8 +37,14 @@ elf_get_dynamic_info (Elf32_Dyn *dyn, Elf32_Dyn *info[DT_NUM]) while (dyn->d_tag != DT_NULL) { - assert (dyn->d_tag < DT_NUM); - info[dyn->d_tag] = dyn++; + if (dyn->d_tag < DT_NUM) + info[dyn->d_tag] = dyn; + else if (dyn->d_tag >= DT_LOPROC && + dyn->d_tag < DT_LOPROC + DT_PROCNUM) + info[dyn->d_tag - DT_LOPROC + DT_NUM] = dyn; + else + assert (! "bad dynamic tag"); + dyn++; } if (info[DT_RELA]) @@ -60,7 +66,8 @@ elf_get_dynamic_info (Elf32_Dyn *dyn, Elf32_Dyn *info[DT_NUM]) #define ELF_DYNAMIC_DO_REL(map, lazy, resolve) \ if ((map)->l_info[DT_REL]) \ elf_dynamic_do_rel ((map), DT_REL, DT_RELSZ, (resolve), 0); \ - if ((map)->l_info[DT_PLTREL]->d_un.d_val == DT_REL) \ + if ((map)->l_info[DT_PLTREL] && \ + (map)->l_info[DT_PLTREL]->d_un.d_val == DT_REL) \ elf_dynamic_do_rel ((map), DT_JMPREL, DT_PLTRELSZ, (resolve), (lazy)); #else #define ELF_DYNAMIC_DO_RELA(map, lazy, resolve) /* Nothing to do. */ @@ -72,7 +79,8 @@ elf_get_dynamic_info (Elf32_Dyn *dyn, Elf32_Dyn *info[DT_NUM]) #define ELF_DYNAMIC_DO_RELA(map, lazy, resolve) \ if ((map)->l_info[DT_RELA]) \ elf_dynamic_do_rela ((map), DT_RELA, DT_RELASZ, (resolve), 0); \ - if ((map)->l_info[DT_PLTREL]->d_un.d_val == DT_RELA) \ + if ((map)->l_info[DT_PLTREL] && \ + (map)->l_info[DT_PLTREL]->d_un.d_val == DT_RELA) \ elf_dynamic_do_rela ((map), DT_JMPREL, DT_PLTRELSZ, (resolve), (lazy)); #else #define ELF_DYNAMIC_DO_RELA(map, lazy, resolve) /* Nothing to do. */ diff --git a/elf/elf.h b/elf/elf.h index 85c992cf16..6eaf31fc08 100644 --- a/elf/elf.h +++ b/elf/elf.h @@ -1,5 +1,5 @@ /* This file defines standard ELF types, structures, and macros. -Copyright (C) 1995 Free Software Foundation, Inc. +Copyright (C) 1995, 1996 Free Software Foundation, Inc. Contributed by Ian Lance Taylor (ian@cygnus.com). This file is part of the GNU C Library. @@ -326,9 +326,10 @@ typedef struct #define DT_DEBUG 21 /* For debugging; unspecified */ #define DT_TEXTREL 22 /* Reloc might modify .text */ #define DT_JMPREL 23 /* Address of PLT relocs */ -#define DT_NUM 24 /* Number used. */ +#define DT_NUM 24 /* Number used */ #define DT_LOPROC 0x70000000 /* Start of processor-specific */ #define DT_HIPROC 0x7fffffff /* End of processor-specific */ +#define DT_PROCNUM DT_MIPS_NUM /* Most used by any processor */ /* Standard 64 bit ELF types. */ @@ -573,6 +574,7 @@ typedef struct #define DT_MIPS_UNREFEXTNO 0x70000012 /* First external DYNSYM */ #define DT_MIPS_GOTSYM 0x70000013 /* First GOT entry in DYNSYM */ #define DT_MIPS_HIPAGENO 0x70000014 /* Number of GOT page table entries */ +#define DT_MIPS_NUM 0x15 /* Legal values for DT_MIPS_FLAG Elf32_Dyn entry. */ diff --git a/elf/link.h b/elf/link.h index 4848f4b99b..bdcfcf27f4 100644 --- a/elf/link.h +++ b/elf/link.h @@ -1,5 +1,5 @@ /* Run-time dynamic linker data structures for loaded ELF shared objects. -Copyright (C) 1995 Free Software Foundation, Inc. +Copyright (C) 1995, 1996 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -82,7 +82,10 @@ struct link_map They may change without notice. */ const char *l_libname; /* Name requested (before search). */ - Elf32_Dyn *l_info[DT_NUM]; /* Indexed pointers to dynamic section. */ + /* Indexed pointers to dynamic section. + [0,DT_NUM) are indexed by the processor-independent tags. + [DT_NUM,DT_NUM+DT_PROCNUM] are indexed by the tag minus DT_LOPROC. */ + Elf32_Dyn *l_info[DT_NUM + DT_PROCNUM]; const Elf32_Phdr *l_phdr; /* Pointer to program header table in core. */ Elf32_Word l_phnum; /* Number of program header entries. */ Elf32_Addr l_entry; /* Entry point location. */ @@ -141,7 +144,7 @@ extern int _dl_secure; zero; OBJECT is the name of the problematical shared object, or null if it is a general problem; ERRSTRING is a string describing the specific problem. */ - + extern void _dl_signal_error (int errcode, const char *object, const char *errstring) |