aalexandre
66 linhas
2.1 KiB
C++
66 linhas
2.1 KiB
C++
/*
|
|
+----------------------------------------------------------------------+
|
|
| HipHop for PHP |
|
|
+----------------------------------------------------------------------+
|
|
| Copyright (c) 2010- Facebook, Inc. (http://www.facebook.com) |
|
|
+----------------------------------------------------------------------+
|
|
| This source file is subject to version 3.01 of the PHP license, |
|
|
| that is bundled with this package in the file LICENSE, and is |
|
|
| available through the world-wide-web at the following url: |
|
|
| http://www.php.net/license/3_01.txt |
|
|
| If you did not receive a copy of the PHP license and are unable to |
|
|
| obtain it through the world-wide-web, please send a note to |
|
|
| license@php.net so we can mail you a copy immediately. |
|
|
+----------------------------------------------------------------------+
|
|
*/
|
|
|
|
#include <libelf.h>
|
|
#include <gelf.h>
|
|
#include <stdio.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <string.h>
|
|
|
|
#include <runtime/vm/embedded_repo.h>
|
|
#include <util/embedded_vfs.h>
|
|
|
|
namespace HPHP {
|
|
|
|
std::string get_embedded_repo() {
|
|
GElf_Shdr shdr;
|
|
size_t shstrndx;
|
|
char *name;
|
|
Elf_Scn *scn;
|
|
|
|
if (elf_version(EV_CURRENT) == EV_NONE) return "";
|
|
|
|
int fd = open("/proc/self/exe", O_RDONLY, 0);
|
|
if (fd < 0) return "";
|
|
Elf* e = elf_begin(fd, ELF_C_READ, nullptr);
|
|
|
|
if (!e ||
|
|
elf_kind(e) != ELF_K_ELF ||
|
|
!elf_getshstrndx(e, &shstrndx)) {
|
|
return "";
|
|
}
|
|
scn = nullptr;
|
|
while ((scn = elf_nextscn(e, scn)) != nullptr) {
|
|
if (gelf_getshdr(scn, &shdr) != &shdr ||
|
|
!(name = elf_strptr(e, shstrndx , shdr.sh_name))) {
|
|
return "";
|
|
}
|
|
if (!strcmp("repo", name)) {
|
|
GElf_Shdr ghdr;
|
|
if (gelf_getshdr(scn, &ghdr) != &ghdr) return "";
|
|
char buf[512];
|
|
sprintf(buf, "/proc/self/exe:%lu:%lu", ghdr.sh_offset, ghdr.sh_size);
|
|
sqlite3_embedded_initialize(nullptr, true);
|
|
return buf;
|
|
}
|
|
}
|
|
return "";
|
|
}
|
|
|
|
}
|