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Add dontthrow attribute to most libc functions

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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
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GPG key ID: BE714B4575D6E328
103 changed files with 1455 additions and 1456 deletions
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10
libc/intrin/cxaatexit.internal.h
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@ -13,15 +13,15 @@ struct CxaAtexitBlocks {
void *arg;
void *pred;
} p[32];
} * p, root;
} *p, root;
};
extern struct CxaAtexitBlocks __cxa_blocks;
void __cxa_lock(void);
void __cxa_unlock(void);
void __cxa_thread_finalize(void);
void __cxa_printexits(FILE *, void *);
void __cxa_lock(void) libcesque;
void __cxa_unlock(void) libcesque;
void __cxa_thread_finalize(void) libcesque;
void __cxa_printexits(FILE *, void *) libcesque;
int __cxa_thread_atexit_impl(void *, void *, void *);
COSMOPOLITAN_C_END_