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Get --ftrace working on aarch64

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This change implements a new approach to function call logging, that's
based on the GCC flag: -fpatchable-function-entry. Read the commentary
in build/config.mk to learn how it works.
This commit is contained in:
Justine Tunney 2023-06-05 23:35:31 -07:00
parent 5b908bc756
commit eb40cb371d
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GPG key ID: BE714B4575D6E328
934 changed files with 2259 additions and 1268 deletions
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3
libc/intrin/assertfail.greg.c
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@ -26,6 +26,7 @@
#include "libc/intrin/weaken.h"
#include "libc/log/backtrace.internal.h"
#include "libc/log/internal.h"
#include "libc/runtime/internal.h"
#include "libc/runtime/runtime.h"
#include "libc/runtime/symbols.internal.h"
#include "libc/thread/thread.h"
@ -38,7 +39,7 @@ relegated void __assert_fail(const char *expr, const char *file, int line) {
strace_enabled(-1);
ftrace_enabled(-1);
owner = 0;
me = __tls_enabled ? __get_tls()->tib_tid : sys_gettid();
me = __tls_enabled ? __get_tls()->tib_tid : __pid;
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, 0);
kprintf("%s:%d: assert(%s) failed (tid %d) %m\n", file, line, expr, me);
if (__vforked ||