Add dontthrow attribute to most libc functions

This will help C++ code that uses exceptions to be tinier. For example,
this change shaves away 1000 lines of assembly code from LLVM's libcxx,
which is 0.7% of all assembly instructions in the entire library.
This commit is contained in:
Justine Tunney 2024-01-09 01:26:03 -08:00
parent cb19e172da
commit eeb20775d2
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
103 changed files with 1455 additions and 1456 deletions

View file

@ -3,9 +3,9 @@
#ifdef _COSMO_SOURCE
COSMOPOLITAN_C_START_
void _gc_free(void *) libcesque;
void __defer(void *, void *, void *) libcesque;
void gclongjmp(void *, int) libcesque wontreturn;
libcesque void _gc_free(void *);
libcesque void __defer(void *, void *, void *);
libcesque void gclongjmp(void *, int) wontreturn;
#define gc(THING) defer((void *)_gc_free, (void *)(THING))
#define _gc(THING) defer((void *)_gc_free, (void *)(THING))
#define defer(FN, ARG) \