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| author | Ulrich Drepper <drepper@redhat.com> | 2010-03-15 11:44:58 -0700 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2010-03-15 11:44:58 -0700 |
| commit | 92ad15a8f1d3e65f20fda3265c04ff26a642a2d0 (patch) | |
| tree | 93c8c2a25e18b5d8fe583b0a1f0679278ce481ca /elf | |
| parent | 94db8db8e80d8b7fe094dee92660c158bf62d732 (diff) | |
| download | glibc-92ad15a8f1d3e65f20fda3265c04ff26a642a2d0.tar.gz glibc-92ad15a8f1d3e65f20fda3265c04ff26a642a2d0.tar.xz glibc-92ad15a8f1d3e65f20fda3265c04ff26a642a2d0.zip | |
Implement handling of libc ABI in ELF header.
Diffstat (limited to 'elf')
| -rw-r--r-- | elf/dl-load.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/elf/dl-load.c b/elf/dl-load.c index e8c7be55f7..1cfab353d0 100644 --- a/elf/dl-load.c +++ b/elf/dl-load.c @@ -1569,7 +1569,7 @@ open_verify (const char *name, struct filebuf *fbp, struct link_map *loader, #ifndef VALID_ELF_HEADER # define VALID_ELF_HEADER(hdr,exp,size) (memcmp (hdr, exp, size) == 0) # define VALID_ELF_OSABI(osabi) (osabi == ELFOSABI_SYSV) -# define VALID_ELF_ABIVERSION(ver) (ver == 0) +# define VALID_ELF_ABIVERSION(ver) (ver < LIBC_ABI_MAX) #elif defined MORE_ELF_HEADER_DATA MORE_ELF_HEADER_DATA; #endif @@ -1655,7 +1655,9 @@ open_verify (const char *name, struct filebuf *fbp, struct link_map *loader, /* See whether the ELF header is what we expect. */ if (__builtin_expect (! VALID_ELF_HEADER (ehdr->e_ident, expected, - EI_PAD), 0)) + EI_ABIVERSION) + || !VALID_ELF_ABIVERSION (ehdr->e_ident[EI_ABIVERSION]), + 0)) { /* Something is wrong. */ const Elf32_Word *magp = (const void *) ehdr->e_ident; |