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/*!A cross-platform build utility based on Lua
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Copyright (C) 2015-present, Xmake Open Source Community.
*
* @author ruki
* @file deplibs.c
*
*/
/* //////////////////////////////////////////////////////////////////////////////////////
* trace
*/
#define TB_TRACE_MODULE_NAME "deplibs"
#define TB_TRACE_MODULE_DEBUG (0)
/* //////////////////////////////////////////////////////////////////////////////////////
* includes
*/
#include "prefix.h"
#include "coff/prefix.h"
#include "elf/prefix.h"
#include "macho/prefix.h"
/* //////////////////////////////////////////////////////////////////////////////////////
* forward declarations
*/
extern tb_bool_t xm_binutils_coff_deplibs(tb_stream_ref_t istream, tb_hize_t base_offset, lua_State *lua);
extern tb_bool_t xm_binutils_elf_deplibs(tb_stream_ref_t istream, tb_hize_t base_offset, lua_State *lua);
extern tb_bool_t xm_binutils_macho_deplibs(tb_stream_ref_t istream, tb_hize_t base_offset, lua_State *lua);
/* //////////////////////////////////////////////////////////////////////////////////////
* implementation
*/
/* get dependent libraries from binary file (auto-detect format)
*
* @param lua the lua state
* @return 1 on success (table on stack), 2 on failure (with error message on stack)
*/
tb_int_t xm_binutils_deplibs(lua_State *lua) {
tb_assert_and_check_return_val(lua, 0);
// get the binary file path
tb_char_t const *binaryfile = luaL_checkstring(lua, 1);
tb_check_return_val(binaryfile, 0);
// open file
tb_stream_ref_t istream = tb_stream_init_from_file(binaryfile, TB_FILE_MODE_RO);
if (!istream) {
lua_pushboolean(lua, tb_false);
lua_pushfstring(lua, "open %s failed", binaryfile);
return 2;
}
tb_bool_t ok = tb_false;
do {
if (!tb_stream_open(istream)) {
lua_pushboolean(lua, tb_false);
lua_pushfstring(lua, "open %s failed", binaryfile);
break;
}
// detect format
tb_int_t format = xm_binutils_format_detect(istream);
if (format < 0) {
lua_pushboolean(lua, tb_false);
lua_pushfstring(lua, "cannot detect file format for %s", binaryfile);
break;
}
// create result list
lua_newtable(lua);
// get dependents based on format
if (format == XM_BINUTILS_FORMAT_COFF) {
if (!xm_binutils_coff_deplibs(istream, 0, lua)) {
lua_pop(lua, 1); // pop table
lua_pushboolean(lua, tb_false);
lua_pushfstring(lua, "failed to parse COFF for %s", binaryfile);
break;
}
} else if (format == XM_BINUTILS_FORMAT_PE) {
// seek to e_lfanew
if (!tb_stream_seek(istream, 0x3c)) {
lua_pop(lua, 1); // pop table
lua_pushboolean(lua, tb_false);
lua_pushfstring(lua, "failed to seek to e_lfanew for %s", binaryfile);
break;
}
// read e_lfanew
tb_uint32_t e_lfanew = 0;
if (!tb_stream_bread(istream, (tb_byte_t*)&e_lfanew, 4)) {
lua_pop(lua, 1); // pop table
lua_pushboolean(lua, tb_false);
lua_pushfstring(lua, "failed to read e_lfanew for %s", binaryfile);
break;
}
// e_lfanew is little endian
e_lfanew = tb_bits_le_to_ne_u32(e_lfanew);
// call coff deplibs with offset = e_lfanew + 4 (skip PE signature)
if (!xm_binutils_coff_deplibs(istream, e_lfanew + 4, lua)) {
lua_pop(lua, 1); // pop table
lua_pushboolean(lua, tb_false);
lua_pushfstring(lua, "failed to parse PE/COFF for %s", binaryfile);
break;
}
} else if (format == XM_BINUTILS_FORMAT_MACHO) {
if (!xm_binutils_macho_deplibs(istream, 0, lua)) {
lua_pop(lua, 1); // pop table
lua_pushboolean(lua, tb_false);
lua_pushfstring(lua, "failed to parse Mach-O for %s", binaryfile);
break;
}
} else if (format == XM_BINUTILS_FORMAT_ELF) {
if (!xm_binutils_elf_deplibs(istream, 0, lua)) {
lua_pop(lua, 1); // pop table
lua_pushboolean(lua, tb_false);
lua_pushfstring(lua, "failed to parse ELF for %s", binaryfile);
break;
}
} else if (format == XM_BINUTILS_FORMAT_WASM) {
} else {
lua_pop(lua, 1); // pop table
lua_pushboolean(lua, tb_false);
lua_pushfstring(lua, "unsupported format %d for %s", format, binaryfile);
break;
}
ok = tb_true;
} while (0);
if (istream) {
tb_stream_exit(istream);
}
return ok ? 1 : 2;
}
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