diff options
Diffstat (limited to 'libc/unistd/abort.c')
-rw-r--r-- | libc/unistd/abort.c | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/libc/unistd/abort.c b/libc/unistd/abort.c index 8b8659b8b..a3f8c5423 100644 --- a/libc/unistd/abort.c +++ b/libc/unistd/abort.c @@ -102,29 +102,3 @@ abort(void) (void)kill(getpid(), SIGABRT); _exit(1); } - -#ifdef __arm__ -/* - * abort() does not return, which gcc interprets to mean that it doesn't - * need to preserve any of the callee-save registers. Unfortunately this - * includes the link register, so if LR is used there is no way to determine - * which function called abort(). - * - * We work around this by inserting a trivial stub that doesn't alter - * any of the "interesting" registers and thus doesn't need to save them. - * We can't just call __libc_android_abort from C because gcc uses "bl" - * without first saving LR, so we use an asm statement. This also has - * the side-effect of replacing abort() with __libc_android_abort() in - * the stack trace. - * - * Ideally __libc_android_abort would be static, but I haven't figured out - * how to tell gcc to call a static function from an asm statement. - */ -void -abort(void) -{ - asm ("b __libc_android_abort"); - _exit(1); /* suppress gcc noreturn warnings */ -} -#endif - |