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| author | Alexandre Oliva <aoliva@redhat.com> | 2003-07-31 06:33:53 +0000 |
|---|---|---|
| committer | Alexandre Oliva <aoliva@redhat.com> | 2003-07-31 06:33:53 +0000 |
| commit | 87d254a7bf02b60e6cd0699ddca6105b3ea232c9 (patch) | |
| tree | 8a8121db8c86680e1a9d34acdc844f73f8962bcf /elf | |
| parent | e4a6507c4c50580521b80970bfae00df472a549c (diff) | |
| download | glibc-87d254a7bf02b60e6cd0699ddca6105b3ea232c9.tar.gz glibc-87d254a7bf02b60e6cd0699ddca6105b3ea232c9.tar.xz glibc-87d254a7bf02b60e6cd0699ddca6105b3ea232c9.zip | |
* elf/dynamic-link.h (elf_machine_rel, elf_machine_rela, elf_machine_rel_relative, elf_machine_rela_relative): Don't assume reloc_addr is aligned. * sysdeps/alpha/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust. * sysdeps/arm/dl-machine.h (elf_machine_rel, elf_machine_rela, elf_machine_rel_relative, elf_machine_rela_relative): Adjust. * sysdeps/cris/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust. * sysdeps/hppa/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust. * sysdeps/i386/dl-machine.h (elf_machine_rel, elf_machine_rela, elf_machine_rel_relative, elf_machine_rela_relative): Adjust. * sysdeps/ia64/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust. * sysdeps/m68k/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust. * sysdeps/mips/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust. * sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust. * sysdeps/powerpc/powerpc64/dl-machine.h (elf_machine_rela_relative, elf_machine_rela): Adjust. * sysdeps/s390/s390-32/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust. * sysdeps/s390/s390-64/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): * sysdeps/sh/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust. * sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust. * sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust. * sysdeps/x86_64/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust.
2003-07-31 Alexandre Oliva <aoliva@redhat.com> * elf/dynamic-link.h (elf_machine_rel, elf_machine_rela, elf_machine_rel_relative, elf_machine_rela_relative): Don't assume reloc_addr is aligned. * sysdeps/alpha/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust. * sysdeps/arm/dl-machine.h (elf_machine_rel, elf_machine_rela, elf_machine_rel_relative, elf_machine_rela_relative): Adjust. * sysdeps/cris/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust. * sysdeps/hppa/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust. * sysdeps/i386/dl-machine.h (elf_machine_rel, elf_machine_rela, elf_machine_rel_relative, elf_machine_rela_relative): Adjust. * sysdeps/ia64/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust. * sysdeps/m68k/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust. * sysdeps/mips/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust. * sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust. * sysdeps/powerpc/powerpc64/dl-machine.h (elf_machine_rela_relative, elf_machine_rela): Adjust. * sysdeps/s390/s390-32/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust. * sysdeps/s390/s390-64/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): * sysdeps/sh/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust. * sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust. * sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust. * sysdeps/x86_64/dl-machine.h (elf_machine_rela, elf_machine_rela_relative): Adjust.
Diffstat (limited to 'elf')
| -rw-r--r-- | elf/dynamic-link.h | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/elf/dynamic-link.h b/elf/dynamic-link.h index 5bf3f6f0f6..0179de3273 100644 --- a/elf/dynamic-link.h +++ b/elf/dynamic-link.h @@ -21,20 +21,30 @@ #include <assert.h> #ifdef RESOLVE +/* We pass reloc_addr as a pointer to void, as opposed to a pointer to + ElfW(Addr), because not all architectures can assume that the + relocated address is properly aligned, whereas the compiler is + entitled to assume that a pointer to a type is properly aligned for + the type. Even if we cast the pointer back to some other type with + less strict alignment requirements, the compiler might still + remember that the pointer was originally more aligned, thereby + optimizing away alignment tests or using word instructions for + copying memory, breaking the very code written to handle the + unaligned cases. */ auto void __attribute__((always_inline)) elf_machine_rel (struct link_map *map, const ElfW(Rel) *reloc, const ElfW(Sym) *sym, const struct r_found_version *version, - ElfW(Addr) *const reloc_addr); + void *const reloc_addr); auto void __attribute__((always_inline)) elf_machine_rela (struct link_map *map, const ElfW(Rela) *reloc, const ElfW(Sym) *sym, const struct r_found_version *version, - ElfW(Addr) *const reloc_addr); + void *const reloc_addr); auto void __attribute__((always_inline)) elf_machine_rel_relative (ElfW(Addr) l_addr, const ElfW(Rel) *reloc, - ElfW(Addr) *const reloc_addr); + void *const reloc_addr); auto void __attribute__((always_inline)) elf_machine_rela_relative (ElfW(Addr) l_addr, const ElfW(Rela) *reloc, - ElfW(Addr) *const reloc_addr); + void *const reloc_addr); # if ELF_MACHINE_NO_RELA || defined ELF_MACHINE_PLT_REL auto void __attribute__((always_inline)) elf_machine_lazy_rel (struct link_map *map, |