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Add MODE=optlinux build mode (#141)

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This commit is contained in:
Justine Tunney 2021-10-14 19:36:49 -07:00
parent 226aaf3547
commit 67b5200a0b
111 changed files with 934 additions and 854 deletions
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9
libc/log/backtrace2.c
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@ -70,6 +70,9 @@ static noasan int PrintBacktraceUsingAddr2line(int fd,
garbage = weaken(__garbage);
gi = garbage ? garbage->i : 0;
for (frame = bp; frame && i < kBacktraceMaxFrames - 1; frame = frame->next) {
if (!IsValidStackFramePointer(frame)) {
return -1;
}
addr = frame->addr;
if (addr == weakaddr("__gc")) {
do {
@ -172,6 +175,7 @@ static noasan int PrintBacktrace(int fd, const struct StackFrame *bp) {
}
noasan void ShowBacktrace(int fd, const struct StackFrame *bp) {
#ifdef __FNO_OMIT_FRAME_POINTER__
/* asan runtime depends on this function */
static bool noreentry;
++g_ftrace;
@ -182,4 +186,9 @@ noasan void ShowBacktrace(int fd, const struct StackFrame *bp) {
noreentry = false;
}
--g_ftrace;
#else
__printf("ShowBacktrace() needs these flags to show C backtrace:\n"
"\t-D__FNO_OMIT_FRAME_POINTER__\n"
"\t-fno-omit-frame-pointer\n");
#endif
}