mirror of
https://github.com/jart/cosmopolitan.git
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54 lines
2.8 KiB
C
54 lines
2.8 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 2020 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/fmt/conv.h"
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#include "libc/fmt/itoa.h"
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#include "libc/intrin/describeflags.h"
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#include "libc/intrin/kprintf.h"
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#include "libc/intrin/maps.h"
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#include "libc/macros.h"
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#include "libc/runtime/memtrack.internal.h"
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#include "libc/runtime/runtime.h"
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#include "libc/sysv/consts/auxv.h"
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/**
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* Prints memory mappings.
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*/
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void __print_maps(size_t limit) {
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char mappingbuf[8], sb[16];
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__maps_lock();
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for (struct Tree *e = tree_first(__maps.maps); e; e = tree_next(e)) {
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struct Map *map = MAP_TREE_CONTAINER(e);
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kprintf("%012lx-%012lx %!s", map->addr, map->addr + map->size,
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_DescribeMapping(mappingbuf, map->prot, map->flags));
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sizefmt(sb, map->size, 1024);
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kprintf(" %!sb", sb);
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if (map->hand && map->hand != -1)
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kprintf(" hand=%ld", map->hand);
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if (map->iscow)
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kprintf(" cow");
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if (map->readonlyfile)
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kprintf(" readonlyfile");
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kprintf("\n");
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if (!--limit)
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break;
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}
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kprintf("# %'zu bytes in %'zu mappings\n", __maps.pages * __pagesize,
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__maps.count);
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__maps_unlock();
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}
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