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https://github.com/jart/cosmopolitan.git
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8bfd56b59e
Now that these functions are behind _COSMO_SOURCE there's no reason for having the ugly underscore anymore. To use these functions, you need to pass -mcosmo to cosmocc.
62 lines
3.1 KiB
C
62 lines
3.1 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/intrin/bsf.h"
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#include "libc/intrin/cxaatexit.internal.h"
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#include "libc/log/log.h"
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#include "libc/runtime/runtime.h"
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#include "libc/stdio/stdio.h"
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/**
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* Prints global destructors.
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*
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* @param pred can be null to match all
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*/
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void __cxa_printexits(FILE *f, void *pred) {
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char name[23];
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unsigned i, mask;
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const char *symbol;
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struct CxaAtexitBlock *b;
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fprintf(f, "\n");
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fprintf(f, " GLOBAL DESTRUCTORS \n");
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fprintf(f, " callback arg pred \n");
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fprintf(f, "---------------------- ------------------ ------------------\n");
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__cxa_lock();
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if ((b = __cxa_blocks.p)) {
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do {
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mask = b->mask;
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while (mask) {
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i = bsf(mask);
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mask &= ~(1u << i);
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if (!pred || pred == b->p[i].pred) {
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symbol = GetSymbolByAddr((intptr_t)b->p[i].fp);
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if (symbol) {
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snprintf(name, sizeof(name), "%s", symbol);
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} else {
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snprintf(name, sizeof(name), "0x%016lx", (unsigned long)b->p[i].fp);
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}
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fprintf(f, "%-22s 0x%016lx 0x%016lx\n", name,
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(unsigned long)b->p[i].arg, (unsigned long)b->p[i].pred);
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}
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}
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} while ((b = b->next));
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}
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__cxa_unlock();
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fprintf(f, "\n");
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}
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