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Trim down MODE= linkage slightly

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This commit is contained in:
Justine Tunney 2022-04-12 08:05:22 -07:00
parent 046c7ebd4a
commit c95c9d9508
13 changed files with 315 additions and 283 deletions
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31
libc/log/oncrash.c
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@ -41,6 +41,7 @@
*/
STATIC_YOINK("strerror_r"); /* for kprintf %m */
STATIC_YOINK("strsignal"); /* for kprintf %G */
static const char kGregOrder[17] forcealign(1) = {
13, 11, 8, 14, 12, 9, 10, 15, 16, 0, 1, 2, 3, 4, 5, 6, 7,
@ -54,29 +55,8 @@ static const char kGregNames[17][4] forcealign(1) = {
static const char kCpuFlags[12] forcealign(1) = "CVPRAKZSTIDO";
static const char kFpuExceptions[6] forcealign(1) = "IDZOUP";
/* <SYNC-LIST>: showcrashreports.c, oncrashthunks.S, oncrash.c */
int kCrashSigs[7];
struct sigaction g_oldcrashacts[7];
static const char kCrashSigNames[7][5] forcealign(1) = {
"QUIT", //
"FPE", //
"ILL", //
"SEGV", //
"TRAP", //
"ABRT", //
"BUS", //
};
/* </SYNC-LIST>: showcrashreports.c, oncrashthunks.S, oncrash.c */
static relegated noinstrument const char *TinyStrSignal(int sig) {
size_t i;
for (i = 0; i < ARRAYLEN(kCrashSigs); ++i) {
if (kCrashSigs[i] && sig == kCrashSigs[i]) {
return kCrashSigNames[i];
}
}
return "???";
}
relegated static void ShowFunctionCalls(ucontext_t *ctx) {
struct StackFrame *bp;
@ -222,12 +202,11 @@ relegated void ShowCrashReport(int err, int sig, struct siginfo *si,
uname(&names);
p = buf;
errno = err;
kprintf("%n%serror%s: Uncaught SIG%s (%s) on %s pid %d%n"
kprintf("%n%serror%s: Uncaught %G (%s) on %s pid %d%n"
" %s%n"
" %m%n"
" %s %s %s %s%n",
!__nocolor ? "\e[30;101m" : "", !__nocolor ? "\e[0m" : "",
TinyStrSignal(sig),
!__nocolor ? "\e[30;101m" : "", !__nocolor ? "\e[0m" : "", sig,
(ctx && (ctx->uc_mcontext.rsp >= GetStaticStackAddr(0) &&
ctx->uc_mcontext.rsp <= GetStaticStackAddr(0) + PAGESIZE))
? "Stack Overflow"
@ -269,13 +248,13 @@ static wontreturn relegated noinstrument void __minicrash(int sig,
const char *kind) {
kprintf("%n"
"%n"
"CRASHED %s WITH SIG%s%n"
"CRASHED %s WITH %G%n"
"%s%n"
"RIP %x%n"
"RSP %x%n"
"RBP %x%n"
"%n",
kind, TinyStrSignal(sig), __argv[0], ctx ? ctx->uc_mcontext.rip : 0,
kind, sig, __argv[0], ctx ? ctx->uc_mcontext.rip : 0,
ctx ? ctx->uc_mcontext.rsp : 0, ctx ? ctx->uc_mcontext.rbp : 0);
__restorewintty();
_Exit(119);