mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 19:43:32 +00:00
35 lines
2.3 KiB
C
35 lines
2.3 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2020 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ Permission to use, copy, modify, and/or distribute this software for │
|
|
│ any purpose with or without fee is hereby granted, provided that the │
|
|
│ above copyright notice and this permission notice appear in all copies. │
|
|
│ │
|
|
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
|
|
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
|
|
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
|
|
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
|
|
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
|
|
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
|
|
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
|
|
│ PERFORMANCE OF THIS SOFTWARE. │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/elf/def.h"
|
|
#include "libc/elf/elf.h"
|
|
|
|
Elf64_Sym *GetElfSymbolTable(const Elf64_Ehdr *elf, size_t mapsize,
|
|
Elf64_Xword *out_count) {
|
|
Elf64_Half i;
|
|
Elf64_Shdr *shdr;
|
|
for (i = elf->e_shnum; i > 0; --i) {
|
|
shdr = GetElfSectionHeaderAddress(elf, mapsize, i - 1);
|
|
if (shdr->sh_type == SHT_SYMTAB) {
|
|
if (shdr->sh_entsize != sizeof(Elf64_Sym)) continue;
|
|
if (out_count) *out_count = shdr->sh_size / shdr->sh_entsize;
|
|
return GetElfSectionAddress(elf, mapsize, shdr);
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|