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Support merging many .a files into one .a file

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Justine Tunney 2024-09-05 19:28:14 -07:00
parent df04ab846a
commit 1e9902af8b
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GPG key ID: BE714B4575D6E328
6 changed files with 422 additions and 141 deletions
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1
tool/decode/BUILD.mk
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@ -40,6 +40,7 @@ TOOL_DECODE_DIRECTDEPS = \
THIRD_PARTY_MUSL \
THIRD_PARTY_TZ \
THIRD_PARTY_XED \
TOOL_BUILD_LIB \
TOOL_DECODE_LIB
TOOL_DECODE_DEPS := \

3
tool/decode/ar.c
View file

@ -110,9 +110,8 @@ static void Print(void) {
printf("\n");
printf("\t.long\t%-*.u# %s\n", 35, entries, "symbol table entries");
table = 8 + 60 + 4;
for (i = 0; i < entries; ++i) {
for (i = 0; i < entries; ++i)
printf("\t.long\t%#-*.x# %u\n", 35, READ32BE(data + table + i * 4), i);
}
symbols = table + entries * 4;
symbolslen = arsize - (entries + 1) * 4;
for (i = o = 0; o < symbolslen; ++i, o += n + 1) {

41
tool/decode/ar2.c Normal file
View file

@ -0,0 +1,41 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2024 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/elf.h"
#include "libc/stdio/stdio.h"
#include "tool/build/lib/ar.h"
void ProcessFile(const char *path) {
struct Ar ar;
struct ArFile arf;
openar(&ar, path);
while (readar(&ar, &arf)) {
printf("%s: %s", path, arf.name);
if (IsElf64Binary(arf.data, arf.size))
printf(" is elf");
else
printf(" is not elf!!");
printf("\n");
}
closear(&ar);
}
int main(int argc, char *argv[]) {
for (int i = 1; i < argc; ++i)
ProcessFile(argv[i]);
}