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| author | Noah Goldstein <goldstein.w.n@gmail.com> | 2024-07-29 15:34:33 +0800 |
|---|---|---|
| committer | Noah Goldstein <goldstein.w.n@gmail.com> | 2024-07-31 14:26:00 +0800 |
| commit | e3b0b3484cac61f9eae373751ac6eaf816a2c9c3 (patch) | |
| tree | 4fbb1032095715666029a8659b8c92f88fcf5664 /stdlib/stdlib.h | |
| parent | 11ad033e1c09c8b8e7bbaa72420f41ab8bcf0f63 (diff) | |
| download | glibc-e3b0b3484cac61f9eae373751ac6eaf816a2c9c3.zip glibc-e3b0b3484cac61f9eae373751ac6eaf816a2c9c3.tar.gz glibc-e3b0b3484cac61f9eae373751ac6eaf816a2c9c3.tar.bz2 | |
stdlib: Mark `abort` as `cold`
This helps HotColdSplitting in GCC/LLVM.
Thought about doing `exit` as well since its only called once per
process, but since its easy to imagine a hot path leading into
`exit(0)`, its less clear if its profitable.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'stdlib/stdlib.h')
| -rw-r--r-- | stdlib/stdlib.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h index 901926e..17487c6 100644 --- a/stdlib/stdlib.h +++ b/stdlib/stdlib.h @@ -727,7 +727,7 @@ extern void *aligned_alloc (size_t __alignment, size_t __size) #endif /* Abort execution and generate a core-dump. */ -extern void abort (void) __THROW __attribute__ ((__noreturn__)); +extern void abort (void) __THROW __attribute__ ((__noreturn__)) __COLD; /* Register a function to be called when `exit' is called. */ |