50 lines
1.8 KiB
C
50 lines
1.8 KiB
C
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#if 0
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/*─────────────────────────────────────────────────────────────────╗
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│ To the extent possible under law, Justine Tunney has waived │
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│ all copyright and related or neighboring rights to this file, │
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│ as it is written in the following disclaimers: │
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│ • http://unlicense.org/ │
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│ • http://creativecommons.org/publicdomain/zero/1.0/ │
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╚─────────────────────────────────────────────────────────────────*/
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#endif
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#include "libc/bits/bits.h"
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#include "libc/calls/calls.h"
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#include "libc/macros.h"
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#include "libc/stdio/stdio.h"
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#include "libc/sysv/consts/map.h"
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#include "libc/sysv/consts/prot.h"
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/*
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OpenBSD
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00025ff61000 000000000000 65536
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00026cf1d000 00000cfbc000 65536
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000254d83000 ffffe7e66000 65536
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0002c7bde000 000072e5b000 65536
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000253ff9000 ffff8c41b000 65536
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0002e96f3000 0000956fa000 65536
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000236346000 ffff4cc53000 65536
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0002ce744000 0000983fe000 65536
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0002fe0b8000 00002f974000 65536
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000225cd7000 ffff27c1f000 65536
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*/
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struct Mapping {
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uint8_t *map;
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size_t mapsize;
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};
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int main(int argc, char *argv[]) {
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size_t i;
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struct Mapping m[10];
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for (i = 0; i < ARRAYLEN(m); ++i) {
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m[i].mapsize = FRAMESIZE;
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m[i].map = mmap(NULL, m[i].mapsize, PROT_READ | PROT_WRITE,
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MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
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}
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for (i = 0; i < ARRAYLEN(m); ++i) {
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printf("%p %p %zu\n", m[i].map, i ? m[i].map - m[i - 1].map : 0,
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m[i].mapsize);
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}
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return 0;
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}
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