diff options
Diffstat (limited to 'sysdeps')
-rw-r--r-- | sysdeps/aarch64/dl-machine.h | 1 | ||||
-rw-r--r-- | sysdeps/alpha/dl-machine.h | 5 | ||||
-rw-r--r-- | sysdeps/arm/dl-machine.h | 1 | ||||
-rw-r--r-- | sysdeps/generic/dl-machine.h | 7 | ||||
-rw-r--r-- | sysdeps/hppa/dl-machine.h | 5 | ||||
-rw-r--r-- | sysdeps/i386/dl-machine.h | 1 | ||||
-rw-r--r-- | sysdeps/ia64/dl-machine.h | 3 | ||||
-rw-r--r-- | sysdeps/m68k/dl-machine.h | 1 | ||||
-rw-r--r-- | sysdeps/microblaze/dl-machine.h | 1 | ||||
-rw-r--r-- | sysdeps/mips/dl-machine.h | 1 | ||||
-rw-r--r-- | sysdeps/nios2/dl-machine.h | 1 | ||||
-rw-r--r-- | sysdeps/powerpc/powerpc32/dl-machine.h | 1 | ||||
-rw-r--r-- | sysdeps/powerpc/powerpc64/dl-machine.c | 24 | ||||
-rw-r--r-- | sysdeps/powerpc/powerpc64/dl-machine.h | 54 | ||||
-rw-r--r-- | sysdeps/s390/s390-32/dl-machine.h | 1 | ||||
-rw-r--r-- | sysdeps/s390/s390-64/dl-machine.h | 1 | ||||
-rw-r--r-- | sysdeps/sh/dl-machine.h | 1 | ||||
-rw-r--r-- | sysdeps/sparc/sparc32/dl-machine.h | 1 | ||||
-rw-r--r-- | sysdeps/sparc/sparc64/dl-machine.h | 1 | ||||
-rw-r--r-- | sysdeps/tile/dl-machine.h | 3 | ||||
-rw-r--r-- | sysdeps/x86_64/dl-machine.h | 1 |
21 files changed, 80 insertions, 35 deletions
diff --git a/sysdeps/aarch64/dl-machine.h b/sysdeps/aarch64/dl-machine.h index 15d79a6961..02fab04f40 100644 --- a/sysdeps/aarch64/dl-machine.h +++ b/sysdeps/aarch64/dl-machine.h @@ -245,6 +245,7 @@ dl_platform_init (void) static inline ElfW(Addr) elf_machine_fixup_plt (struct link_map *map, lookup_t t, + const ElfW(Sym) *refsym, const ElfW(Sym) *sym, const ElfW(Rela) *reloc, ElfW(Addr) *reloc_addr, ElfW(Addr) value) diff --git a/sysdeps/alpha/dl-machine.h b/sysdeps/alpha/dl-machine.h index 7580cd29b6..7077796d2e 100644 --- a/sysdeps/alpha/dl-machine.h +++ b/sysdeps/alpha/dl-machine.h @@ -260,6 +260,7 @@ dl_platform_init (void) rather than the dynamic linker. */ static inline Elf64_Addr elf_machine_fixup_plt (struct link_map *map, lookup_t t, + const ElfW(Sym) *refsym, const ElfW(Sym) *sym, const Elf64_Rela *reloc, Elf64_Addr *got_addr, Elf64_Addr value) { @@ -434,11 +435,11 @@ elf_machine_rela (struct link_map *map, RESOLVE_CONFLICT_FIND_MAP (map, reloc_addr); reloc = ((const Elf64_Rela *) D_PTR (map, l_info[DT_JMPREL])) + (r_type >> 8); - elf_machine_fixup_plt (map, 0, reloc, reloc_addr, sym_value); + elf_machine_fixup_plt (map, 0, 0, 0, reloc, reloc_addr, sym_value); } #else else if (r_type == R_ALPHA_JMP_SLOT) - elf_machine_fixup_plt (map, 0, reloc, reloc_addr, sym_value); + elf_machine_fixup_plt (map, 0, 0, 0, reloc, reloc_addr, sym_value); #endif #ifndef RTLD_BOOTSTRAP else if (r_type == R_ALPHA_REFQUAD) diff --git a/sysdeps/arm/dl-machine.h b/sysdeps/arm/dl-machine.h index 2c72972bd2..7053ead16e 100644 --- a/sysdeps/arm/dl-machine.h +++ b/sysdeps/arm/dl-machine.h @@ -263,6 +263,7 @@ dl_platform_init (void) static inline Elf32_Addr elf_machine_fixup_plt (struct link_map *map, lookup_t t, + const ElfW(Sym) *refsym, const ElfW(Sym) *sym, const Elf32_Rel *reloc, Elf32_Addr *reloc_addr, Elf32_Addr value) { diff --git a/sysdeps/generic/dl-machine.h b/sysdeps/generic/dl-machine.h index 59749bd84f..41537601d2 100644 --- a/sysdeps/generic/dl-machine.h +++ b/sysdeps/generic/dl-machine.h @@ -51,10 +51,11 @@ elf_machine_load_address (void) /* Fixup a PLT entry to bounce directly to the function at VALUE. */ -static inline Elf32_Addr +static inline ElfW(Addr) elf_machine_fixup_plt (struct link_map *map, lookup_t t, - const Elf32_Rel *reloc, - Elf32_Addr *reloc_addr, Elf32_Addr value) + const ElfW(Sym) *refsym, const ElfW(Sym) *sym, + const ElfW(Rel) *reloc, + ElfW(Addr) *reloc_addr, ElfW(Addr) value) { return *reloc_addr = value; } diff --git a/sysdeps/hppa/dl-machine.h b/sysdeps/hppa/dl-machine.h index 787b95f502..b7bdf871f1 100644 --- a/sysdeps/hppa/dl-machine.h +++ b/sysdeps/hppa/dl-machine.h @@ -112,6 +112,7 @@ elf_machine_load_address (void) /* Fixup a PLT entry to bounce directly to the function at VALUE. */ static inline struct fdesc __attribute__ ((always_inline)) elf_machine_fixup_plt (struct link_map *map, lookup_t t, + const ElfW(Sym) *refsym, const ElfW(Sym) *sym, const Elf32_Rela *reloc, Elf32_Addr *reloc_addr, struct fdesc value) { @@ -652,13 +653,13 @@ elf_machine_rela (struct link_map *map, case R_PARISC_IPLT: if (__builtin_expect (sym_map != NULL, 1)) { - elf_machine_fixup_plt (NULL, sym_map, reloc, reloc_addr, + elf_machine_fixup_plt (NULL, sym_map, NULL, NULL reloc, reloc_addr, DL_FIXUP_MAKE_VALUE(sym_map, value)); } else { /* If we get here, it's a (weak) undefined sym. */ - elf_machine_fixup_plt (NULL, map, reloc, reloc_addr, + elf_machine_fixup_plt (NULL, map, NULL, NULL, reloc, reloc_addr, DL_FIXUP_MAKE_VALUE(map, value)); } return; diff --git a/sysdeps/i386/dl-machine.h b/sysdeps/i386/dl-machine.h index 57d4a0bdbd..9ee9d02c36 100644 --- a/sysdeps/i386/dl-machine.h +++ b/sysdeps/i386/dl-machine.h @@ -246,6 +246,7 @@ dl_platform_init (void) static inline Elf32_Addr elf_machine_fixup_plt (struct link_map *map, lookup_t t, + const ElfW(Sym) *refsym, const ElfW(Sym) *sym, const Elf32_Rel *reloc, Elf32_Addr *reloc_addr, Elf32_Addr value) { diff --git a/sysdeps/ia64/dl-machine.h b/sysdeps/ia64/dl-machine.h index 9c08161d65..8d0d3c97dd 100644 --- a/sysdeps/ia64/dl-machine.h +++ b/sysdeps/ia64/dl-machine.h @@ -333,6 +333,7 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile) /* Fixup a PLT entry to bounce directly to the function at VALUE. */ static inline struct fdesc __attribute__ ((always_inline)) elf_machine_fixup_plt (struct link_map *l, lookup_t t, + const ElfW(Sym) *refsym, const ElfW(Sym) *sym, const Elf64_Rela *reloc, Elf64_Addr *reloc_addr, struct fdesc value) { @@ -424,7 +425,7 @@ elf_machine_rela (struct link_map *map, ;/* No adjustment. */ else if (r_type == R_IA64_IPLTLSB) { - elf_machine_fixup_plt (NULL, NULL, reloc, reloc_addr, + elf_machine_fixup_plt (NULL, NULL, NULL, NULL, reloc, reloc_addr, DL_FIXUP_MAKE_VALUE (sym_map, value)); return; } diff --git a/sysdeps/m68k/dl-machine.h b/sysdeps/m68k/dl-machine.h index 8f457cea5a..fd8fb00103 100644 --- a/sysdeps/m68k/dl-machine.h +++ b/sysdeps/m68k/dl-machine.h @@ -182,6 +182,7 @@ _dl_start_user:\n\ static inline Elf32_Addr elf_machine_fixup_plt (struct link_map *map, lookup_t t, + const ElfW(Sym) *refsym, const ElfW(Sym) *sym, const Elf32_Rela *reloc, Elf32_Addr *reloc_addr, Elf32_Addr value) { diff --git a/sysdeps/microblaze/dl-machine.h b/sysdeps/microblaze/dl-machine.h index cc80b30868..9481ff1efa 100644 --- a/sysdeps/microblaze/dl-machine.h +++ b/sysdeps/microblaze/dl-machine.h @@ -174,6 +174,7 @@ _dl_start_user:\n\ static inline Elf32_Addr elf_machine_fixup_plt (struct link_map *map, lookup_t t, + const ElfW(Sym) *refsym, const ElfW(Sym) *sym, const Elf32_Rela *reloc, Elf32_Addr *reloc_addr, Elf32_Addr value) { diff --git a/sysdeps/mips/dl-machine.h b/sysdeps/mips/dl-machine.h index ed47513ccc..74ead7f524 100644 --- a/sysdeps/mips/dl-machine.h +++ b/sysdeps/mips/dl-machine.h @@ -453,6 +453,7 @@ dl_platform_init (void) the corresponding PLT entry instead. */ static inline ElfW(Addr) elf_machine_fixup_plt (struct link_map *map, lookup_t t, + const ElfW(Sym) *refsym, const ElfW(Sym) *sym, const ElfW(Rel) *reloc, ElfW(Addr) *reloc_addr, ElfW(Addr) value) { diff --git a/sysdeps/nios2/dl-machine.h b/sysdeps/nios2/dl-machine.h index 8d2b18de23..b5fdd9b2bd 100644 --- a/sysdeps/nios2/dl-machine.h +++ b/sysdeps/nios2/dl-machine.h @@ -207,6 +207,7 @@ _start:\n\ static inline Elf32_Addr elf_machine_fixup_plt (struct link_map *map, lookup_t t, + const ElfW(Sym) *refsym, const ElfW(Sym) *sym, const Elf32_Rela *reloc, Elf32_Addr *reloc_addr, Elf32_Addr value) { diff --git a/sysdeps/powerpc/powerpc32/dl-machine.h b/sysdeps/powerpc/powerpc32/dl-machine.h index 28eb50f92d..1f8437ed9c 100644 --- a/sysdeps/powerpc/powerpc32/dl-machine.h +++ b/sysdeps/powerpc/powerpc32/dl-machine.h @@ -235,6 +235,7 @@ extern Elf32_Addr __elf_machine_fixup_plt (struct link_map *map, static inline Elf32_Addr elf_machine_fixup_plt (struct link_map *map, lookup_t t, + const ElfW(Sym) *refsym, const ElfW(Sym) *sym, const Elf32_Rela *reloc, Elf32_Addr *reloc_addr, Elf64_Addr finaladdr) { diff --git a/sysdeps/powerpc/powerpc64/dl-machine.c b/sysdeps/powerpc/powerpc64/dl-machine.c index 0eccc6621a..2cfd43b21b 100644 --- a/sysdeps/powerpc/powerpc64/dl-machine.c +++ b/sysdeps/powerpc/powerpc64/dl-machine.c @@ -24,11 +24,11 @@ void _dl_reloc_overflow (struct link_map *map, - const char *name, - Elf64_Addr *const reloc_addr, - const Elf64_Sym *refsym) + const char *name, + Elf64_Addr *const reloc_addr, + const Elf64_Sym *refsym) { - char buffer[128]; + char buffer[1024]; char *t; t = stpcpy (buffer, name); t = stpcpy (t, " reloc at 0x"); @@ -45,3 +45,19 @@ _dl_reloc_overflow (struct link_map *map, t = stpcpy (t, " out of range"); _dl_signal_error (0, map->l_name, NULL, buffer); } + +#if _CALL_ELF == 2 +void +_dl_error_localentry (struct link_map *map, const Elf64_Sym *refsym) +{ + char buffer[1024]; + char *t; + const char *strtab; + + strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]); + t = stpcpy (buffer, "expected localentry:0 `"); + t = stpcpy (t, strtab + refsym->st_name); + t = stpcpy (t, "'"); + _dl_signal_error (0, map->l_name, NULL, buffer); +} +#endif diff --git a/sysdeps/powerpc/powerpc64/dl-machine.h b/sysdeps/powerpc/powerpc64/dl-machine.h index 6391b3a558..aeb91b8f69 100644 --- a/sysdeps/powerpc/powerpc64/dl-machine.h +++ b/sysdeps/powerpc/powerpc64/dl-machine.h @@ -440,20 +440,30 @@ elf_machine_runtime_setup (struct link_map *map, int lazy, int profile) } #if _CALL_ELF == 2 -/* If the PLT entry whose reloc is 'reloc' resolves to a function in - the same object, return the target function's local entry point - offset if usable. */ +extern void attribute_hidden _dl_error_localentry (struct link_map *map, + const Elf64_Sym *refsym); + +/* If the PLT entry resolves to a function in the same object, return + the target function's local entry point offset if usable. */ static inline Elf64_Addr __attribute__ ((always_inline)) ppc64_local_entry_offset (struct link_map *map, lookup_t sym_map, - const Elf64_Rela *reloc) + const ElfW(Sym) *refsym, const ElfW(Sym) *sym) { - const Elf64_Sym *symtab; - const Elf64_Sym *sym; - /* If the target function is in a different object, we cannot use the local entry point. */ if (sym_map != map) - return 0; + { + /* Check that optimized plt call stubs for localentry:0 functions + are not being satisfied by a non-zero localentry symbol. */ + if (map->l_info[DT_PPC64(OPT)] + && (map->l_info[DT_PPC64(OPT)]->d_un.d_val & PPC64_OPT_LOCALENTRY) != 0 + && refsym->st_info == ELFW(ST_INFO) (STB_GLOBAL, STT_FUNC) + && (STO_PPC64_LOCAL_MASK & refsym->st_other) == 0 + && (STO_PPC64_LOCAL_MASK & sym->st_other) != 0) + _dl_error_localentry (map, refsym); + + return 0; + } /* If the linker inserted multiple TOCs, we cannot use the local entry point. */ @@ -461,16 +471,13 @@ ppc64_local_entry_offset (struct link_map *map, lookup_t sym_map, && (map->l_info[DT_PPC64(OPT)]->d_un.d_val & PPC64_OPT_MULTI_TOC)) return 0; - /* Otherwise, we can use the local entry point. Retrieve its offset - from the symbol's ELF st_other field. */ - symtab = (const void *) D_PTR (map, l_info[DT_SYMTAB]); - sym = &symtab[ELFW(R_SYM) (reloc->r_info)]; - /* If the target function is an ifunc then the local entry offset is for the resolver, not the final destination. */ if (__builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC, 0)) return 0; + /* Otherwise, we can use the local entry point. Retrieve its offset + from the symbol's ELF st_other field. */ return PPC64_LOCAL_ENTRY_OFFSET (sym->st_other); } #endif @@ -479,6 +486,7 @@ ppc64_local_entry_offset (struct link_map *map, lookup_t sym_map, routine. */ static inline Elf64_Addr __attribute__ ((always_inline)) elf_machine_fixup_plt (struct link_map *map, lookup_t sym_map, + const ElfW(Sym) *refsym, const ElfW(Sym) *sym, const Elf64_Rela *reloc, Elf64_Addr *reloc_addr, Elf64_Addr finaladdr) { @@ -534,7 +542,7 @@ elf_machine_fixup_plt (struct link_map *map, lookup_t sym_map, PPC_DCBST (&plt->fd_func); PPC_ISYNC; #else - finaladdr += ppc64_local_entry_offset (map, sym_map, reloc); + finaladdr += ppc64_local_entry_offset (map, sym_map, refsym, sym); *reloc_addr = finaladdr; #endif @@ -543,6 +551,7 @@ elf_machine_fixup_plt (struct link_map *map, lookup_t sym_map, static inline void __attribute__ ((always_inline)) elf_machine_plt_conflict (struct link_map *map, lookup_t sym_map, + const ElfW(Sym) *refsym, const ElfW(Sym) *sym, const Elf64_Rela *reloc, Elf64_Addr *reloc_addr, Elf64_Addr finaladdr) { @@ -565,7 +574,7 @@ elf_machine_plt_conflict (struct link_map *map, lookup_t sym_map, PPC_DCBST (&plt->fd_toc); PPC_SYNC; #else - finaladdr += ppc64_local_entry_offset (map, sym_map, reloc); + finaladdr += ppc64_local_entry_offset (map, sym_map, refsym, sym); *reloc_addr = finaladdr; #endif } @@ -604,11 +613,10 @@ elf_machine_plt_value (struct link_map *map, const Elf64_Rela *reloc, #define dont_expect(X) __builtin_expect ((X), 0) -extern void _dl_reloc_overflow (struct link_map *map, - const char *name, - Elf64_Addr *const reloc_addr, - const Elf64_Sym *refsym) - attribute_hidden; +extern void attribute_hidden _dl_reloc_overflow (struct link_map *map, + const char *name, + Elf64_Addr *const reloc_addr, + const Elf64_Sym *refsym); auto inline void __attribute__ ((always_inline)) elf_machine_rela_relative (Elf64_Addr l_addr, const Elf64_Rela *reloc, @@ -728,9 +736,11 @@ elf_machine_rela (struct link_map *map, /* Fall thru */ case R_PPC64_JMP_SLOT: #ifdef RESOLVE_CONFLICT_FIND_MAP - elf_machine_plt_conflict (map, sym_map, reloc, reloc_addr, value); + elf_machine_plt_conflict (map, sym_map, refsym, sym, + reloc, reloc_addr, value); #else - elf_machine_fixup_plt (map, sym_map, reloc, reloc_addr, value); + elf_machine_fixup_plt (map, sym_map, refsym, sym, + reloc, reloc_addr, value); #endif return; diff --git a/sysdeps/s390/s390-32/dl-machine.h b/sysdeps/s390/s390-32/dl-machine.h index 2e3c77c58e..c302c9d2ce 100644 --- a/sysdeps/s390/s390-32/dl-machine.h +++ b/sysdeps/s390/s390-32/dl-machine.h @@ -294,6 +294,7 @@ dl_platform_init (void) static inline Elf32_Addr elf_machine_fixup_plt (struct link_map *map, lookup_t t, + const ElfW(Sym) *refsym, const ElfW(Sym) *sym, const Elf32_Rela *reloc, Elf32_Addr *reloc_addr, Elf32_Addr value) { diff --git a/sysdeps/s390/s390-64/dl-machine.h b/sysdeps/s390/s390-64/dl-machine.h index f2aeb1e78e..7513520417 100644 --- a/sysdeps/s390/s390-64/dl-machine.h +++ b/sysdeps/s390/s390-64/dl-machine.h @@ -242,6 +242,7 @@ dl_platform_init (void) static inline Elf64_Addr elf_machine_fixup_plt (struct link_map *map, lookup_t t, + const ElfW(Sym) *refsym, const ElfW(Sym) *sym, const Elf64_Rela *reloc, Elf64_Addr *reloc_addr, Elf64_Addr value) { diff --git a/sysdeps/sh/dl-machine.h b/sysdeps/sh/dl-machine.h index 2b468af6fa..7106afbdbd 100644 --- a/sysdeps/sh/dl-machine.h +++ b/sysdeps/sh/dl-machine.h @@ -230,6 +230,7 @@ dl_platform_init (void) static inline Elf32_Addr elf_machine_fixup_plt (struct link_map *map, lookup_t t, + const ElfW(Sym) *refsym, const ElfW(Sym) *sym, const Elf32_Rela *reloc, Elf32_Addr *reloc_addr, Elf32_Addr value) { diff --git a/sysdeps/sparc/sparc32/dl-machine.h b/sysdeps/sparc/sparc32/dl-machine.h index 95f673270e..436e4e6cc3 100644 --- a/sysdeps/sparc/sparc32/dl-machine.h +++ b/sysdeps/sparc/sparc32/dl-machine.h @@ -294,6 +294,7 @@ _dl_start_user:\n\ static inline Elf32_Addr elf_machine_fixup_plt (struct link_map *map, lookup_t t, + const ElfW(Sym) *refsym, const ElfW(Sym) *sym, const Elf32_Rela *reloc, Elf32_Addr *reloc_addr, Elf32_Addr value) { diff --git a/sysdeps/sparc/sparc64/dl-machine.h b/sysdeps/sparc/sparc64/dl-machine.h index 1b59d78a25..c2871dca3a 100644 --- a/sysdeps/sparc/sparc64/dl-machine.h +++ b/sysdeps/sparc/sparc64/dl-machine.h @@ -85,6 +85,7 @@ elf_machine_load_address (void) static inline Elf64_Addr __attribute__ ((always_inline)) elf_machine_fixup_plt (struct link_map *map, lookup_t t, + const ElfW(Sym) *refsym, const ElfW(Sym) *sym, const Elf64_Rela *reloc, Elf64_Addr *reloc_addr, Elf64_Addr value) { diff --git a/sysdeps/tile/dl-machine.h b/sysdeps/tile/dl-machine.h index c1d784548c..ae92673ac8 100644 --- a/sysdeps/tile/dl-machine.h +++ b/sysdeps/tile/dl-machine.h @@ -239,6 +239,7 @@ dl_platform_init (void) static inline ElfW(Addr) elf_machine_fixup_plt (struct link_map *map, lookup_t t, + const ElfW(Sym) *refsym, const ElfW(Sym) *sym, const ElfW(Rela) *reloc, ElfW(Addr) *reloc_addr, ElfW(Addr) value) { @@ -569,7 +570,7 @@ elf_machine_rela (struct link_map *map, const ElfW(Rela) *reloc, switch (r_type) { case R_TILE(JMP_SLOT): - elf_machine_fixup_plt (map, 0, reloc, reloc_addr, + elf_machine_fixup_plt (map, 0, 0, 0, reloc, reloc_addr, value + reloc->r_addend); return; diff --git a/sysdeps/x86_64/dl-machine.h b/sysdeps/x86_64/dl-machine.h index 0015db4d6a..6a04cbcdc9 100644 --- a/sysdeps/x86_64/dl-machine.h +++ b/sysdeps/x86_64/dl-machine.h @@ -253,6 +253,7 @@ dl_platform_init (void) static inline ElfW(Addr) elf_machine_fixup_plt (struct link_map *map, lookup_t t, + const ElfW(Sym) *refsym, const ElfW(Sym) *sym, const ElfW(Rela) *reloc, ElfW(Addr) *reloc_addr, ElfW(Addr) value) { |