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Add support for symbol table in .com files

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This change fixes minor bugs and adds a feature, which lets us store the
ELF symbol table, inside the ZIP directory. We use the path /zip/.symtab
which can be safely removed using a zip editing tool, to make the binary
smaller after compilation. This supplements the existing method of using
a separate .com.dbg file, which is still supported. The intent is people
don't always know that it's a good idea to download the debug file. It's
not great having someone's first experience be a crash report, that only
has numbers rather than symbols. This will help fix that!
This commit is contained in:
Justine Tunney 2022-03-23 06:31:55 -07:00
parent 393ca4be40
commit 23b72eb617
61 changed files with 963 additions and 510 deletions
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22
libc/runtime/printargs.c
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@ -75,25 +75,24 @@ static const struct AuxiliaryValue *DescribeAuxv(unsigned long x) {
return NULL;
}
textstartup void __printargs(int argc, char **argv, char **envp,
intptr_t *auxv) {
textstartup void __printargs(void) {
#ifdef SYSDEBUG
long key;
char **env;
unsigned i;
intptr_t *auxp;
uintptr_t *auxp;
char path[PATH_MAX];
struct AuxiliaryValue *auxinfo;
STRACE("ARGUMENTS (%p)", argv);
for (i = 0; i < argc; ++i) {
STRACE(" ☼ %s", argv[i]);
STRACE("ARGUMENTS (%p)", __argv);
for (i = 0; i < __argc; ++i) {
STRACE(" ☼ %s", __argv[i]);
}
STRACE("ENVIRONMENT (%p)", envp);
for (env = envp; *env; ++env) {
STRACE("ENVIRONMENT (%p)", __envp);
for (env = __envp; *env; ++env) {
STRACE(" ☼ %s", *env);
}
STRACE("AUXILIARY (%p)", auxv);
for (auxp = auxv; *auxp; auxp += 2) {
STRACE("AUXILIARY (%p)", __auxv);
for (auxp = __auxv; *auxp; auxp += 2) {
if ((auxinfo = DescribeAuxv(auxp[0]))) {
ksnprintf(path, sizeof(path), auxinfo->fmt, auxp[1]);
STRACE(" ☼ %16s[%4ld] = %s", auxinfo->name, auxp[0], path);
@ -105,7 +104,8 @@ textstartup void __printargs(int argc, char **argv, char **envp,
STRACE(" ☼ %30s = %#s", "kTmpPath", kTmpPath);
STRACE(" ☼ %30s = %#s", "kNtSystemDirectory", kNtSystemDirectory);
STRACE(" ☼ %30s = %#s", "kNtWindowsDirectory", kNtWindowsDirectory);
STRACE(" ☼ %30s = %#s", "program_executable_name", program_executable_name);
STRACE(" ☼ %30s = %#s", "program_executable_name",
GetProgramExecutableName());
STRACE(" ☼ %30s = %#s", "GetInterpreterExecutableName()",
GetInterpreterExecutableName(path, sizeof(path)));
STRACE(" ☼ %30s = %p", "RSP", __builtin_frame_address(0));