diff options
Diffstat (limited to 'sysdeps/generic/readelflib.c')
| -rw-r--r-- | sysdeps/generic/readelflib.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/sysdeps/generic/readelflib.c b/sysdeps/generic/readelflib.c index 2797c282f5..5354526a25 100644 --- a/sysdeps/generic/readelflib.c +++ b/sysdeps/generic/readelflib.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1999, 2000 Free Software Foundation, Inc. +/* Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Andreas Jaeger <aj@suse.de>, 1999 and Jakub Jelinek <jakub@redhat.com>, 1999. @@ -41,7 +41,8 @@ do \ /* Returns 0 if everything is ok, != 0 in case of error. */ int process_elf_file (const char *file_name, const char *lib, int *flag, - char **soname, void *file_contents, size_t file_length) + unsigned int *osversion, char **soname, void *file_contents, + size_t file_length) { int i; unsigned int j; @@ -56,6 +57,7 @@ process_elf_file (const char *file_name, const char *lib, int *flag, char *dynamic_strings; elf_header = (ElfW(Ehdr) *) file_contents; + *osversion = 0; if (elf_header->e_ident [EI_CLASS] != ElfW (CLASS)) { @@ -110,6 +112,7 @@ process_elf_file (const char *file_name, const char *lib, int *flag, dynamic_addr = segment->p_offset; dynamic_size = segment->p_filesz; break; + case PT_INTERP: program_interpreter = (char *) (file_contents + segment->p_offset); check_ptr (program_interpreter); @@ -123,6 +126,21 @@ process_elf_file (const char *file_name, const char *lib, int *flag, break; } break; + + case PT_NOTE: + if (!*osversion && segment->p_filesz == 32 && segment->p_align >= 4) + { + ElfW(Word) *abi_note = (ElfW(Word) *) (file_contents + + segment->p_offset); + if (abi_note [0] == 4 && abi_note [1] == 16 && abi_note [2] == 1 + && memcmp (abi_note + 3, "GNU", 4) == 0) + *osversion = (abi_note [4] << 24) | + ((abi_note [5] & 0xff) << 16) | + ((abi_note [6] & 0xff) << 8) | + (abi_note [7] & 0xff); + } + break; + default: break; } |