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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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6
libc/thread/tls.h
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@ -45,8 +45,8 @@ extern int __threaded;
extern char __tls_morphed;
extern unsigned __tls_index;
char *_mktls(struct CosmoTib **);
void __bootstrap_tls(struct CosmoTib *, char *);
char *_mktls(struct CosmoTib **) libcesque;
void __bootstrap_tls(struct CosmoTib *, char *) libcesque;
#ifdef __x86_64__
extern char __tls_enabled;
@ -58,7 +58,7 @@ extern char __tls_enabled;
#error "unsupported architecture"
#endif
void __set_tls(struct CosmoTib *);
void __set_tls(struct CosmoTib *) libcesque;
/**
* Returns location of thread information block.