mirror of
https://github.com/jart/cosmopolitan.git
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98 lines
3.6 KiB
C
98 lines
3.6 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2022 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/calls.h"
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#include "libc/errno.h"
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#include "libc/runtime/runtime.h"
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#include "libc/runtime/symbols.internal.h"
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#include "libc/stdio/stdio.h"
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#include "libc/sysv/consts/ex.h"
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#include "libc/sysv/consts/exit.h"
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#include "libc/sysv/consts/o.h"
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#include "third_party/getopt/getopt.internal.h"
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/**
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* @fileoverview elf to symbol table file dump tool
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*/
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void PrintUsage(FILE *f) {
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fprintf(f, "%s%s%s\n", "usage: ", program_invocation_name,
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" [-?h] -o PATH COMDBG");
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}
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int main(int argc, char *argv[]) {
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int fd, opt;
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const char *outpath;
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struct SymbolTable *tab;
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outpath = 0;
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while ((opt = getopt(argc, argv, "?ho:")) != -1) {
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switch (opt) {
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case 'o':
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outpath = optarg;
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break;
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case '?':
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case 'h':
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PrintUsage(stdout);
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return 0;
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default:
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PrintUsage(stderr);
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return EX_USAGE;
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}
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}
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if (!outpath) {
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fprintf(stderr, "error: need output path\n");
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PrintUsage(stderr);
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return 1;
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}
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if (optind + 1 != argc) {
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fprintf(stderr, "error: need exactly one input path\n");
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PrintUsage(stderr);
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return 2;
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}
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if (!(tab = OpenSymbolTable(argv[optind]))) {
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fprintf(stderr, "error: %s(%`'s) failed %m\n", "OpenSymbolTable",
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argv[optind]);
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return 3;
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}
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tab->names = 0;
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tab->name_base = 0;
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if ((fd = open(outpath, O_WRONLY | O_CREAT | O_TRUNC, 0644)) == -1) {
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fprintf(stderr, "error: %s(%`'s) failed %m\n", "open", outpath);
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return 4;
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}
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if (write(fd, (const char *)tab, tab->size) != tab->size) {
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fprintf(stderr, "error: %s(%`'s) failed %m\n", "write", outpath);
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return 5;
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}
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if (close(fd) == -1) {
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fprintf(stderr, "error: %s(%`'s) failed %m\n", "close", outpath);
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return 6;
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}
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CloseSymbolTable(&tab);
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return 0;
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}
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