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stdlib: Mark abort as cold

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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>
This commit is contained in:
Noah Goldstein 2024-07-29 15:34:33 +08:00
parent 11ad033e1c
commit e3b0b3484c
1 changed files with 1 additions and 1 deletions
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stdlib/stdlib.h
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@ -727,7 +727,7 @@ extern void *aligned_alloc (size_t __alignment, size_t __size)
#endif #endif
/* Abort execution and generate a core-dump. */ /* 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. */ /* Register a function to be called when `exit' is called. */