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eeb20775d2
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.
28 lines
717 B
C
28 lines
717 B
C
#ifndef COSMOPOLITAN_LIBC_RUNTIME_CXAATEXIT_H_
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#define COSMOPOLITAN_LIBC_RUNTIME_CXAATEXIT_H_
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#include "libc/stdio/stdio.h"
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#include "libc/thread/tls.h"
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COSMOPOLITAN_C_START_
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struct CxaAtexitBlocks {
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struct CxaAtexitBlock {
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unsigned mask;
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struct CxaAtexitBlock *next;
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struct CxaAtexit {
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void *fp;
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void *arg;
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void *pred;
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} p[32];
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} *p, root;
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};
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extern struct CxaAtexitBlocks __cxa_blocks;
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void __cxa_lock(void) libcesque;
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void __cxa_unlock(void) libcesque;
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void __cxa_thread_finalize(void) libcesque;
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void __cxa_printexits(FILE *, void *) libcesque;
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int __cxa_thread_atexit_impl(void *, void *, void *);
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COSMOPOLITAN_C_END_
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#endif /* COSMOPOLITAN_LIBC_RUNTIME_CXAATEXIT_H_ */
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