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84 lines
4 KiB
C
84 lines
4 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2023 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/intrin/describeflags.internal.h"
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#include "libc/intrin/kprintf.h"
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#include "libc/log/log.h"
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#include "libc/macros.internal.h"
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#include "libc/nt/enum/memflags.h"
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#include "libc/nt/memory.h"
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#include "libc/nt/struct/memorybasicinformation.h"
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#include "libc/str/str.h"
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static const struct DescribeFlags kNtMemState[] = {
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{kNtMemCommit, "Commit"}, //
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{kNtMemFree, "Free"}, //
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{kNtMemReserve, "Reserve"}, //
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};
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static const char *DescribeNtMemState(char buf[64], uint32_t x) {
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return DescribeFlags(buf, 64, kNtMemState, ARRAYLEN(kNtMemState), "kNtMem",
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x);
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}
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static const struct DescribeFlags kNtMemType[] = {
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{kNtMemImage, "Image"}, //
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{kNtMemMapped, "Mapped"}, //
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{kNtMemPrivate, "Private"}, //
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};
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static const char *DescribeNtMemType(char buf[64], uint32_t x) {
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return DescribeFlags(buf, 64, kNtMemType, ARRAYLEN(kNtMemType), "kNtMem", x);
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}
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/**
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* Prints to stderr all memory mappings that exist according to WIN32.
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*
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* The `high` and `size` parameters may optionally be specified so that
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* memory mappings which overlap `[high,high+size)` will get printed in
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* ANSI bold red text.
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*/
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void PrintWindowsMemory(const char *high, size_t size) {
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char *p, b[5][64];
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const char *start, *stop;
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struct NtMemoryBasicInformation mi;
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kprintf("%-12s %-12s %10s %16s %16s %32s %32s\n", "Allocation", "BaseAddress",
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"RegionSize", "State", "Type", "AllocationProtect", "Protect");
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for (p = 0;; p = (char *)mi.BaseAddress + mi.RegionSize) {
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const char *start, *stop;
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bzero(&mi, sizeof(mi));
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if (!VirtualQuery(p, &mi, sizeof(mi))) break;
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sizefmt(b[0], mi.RegionSize, 1024);
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if (MAX(high, (char *)mi.BaseAddress) <
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MIN(high + size, (char *)mi.BaseAddress + mi.RegionSize)) {
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start = "\e[1;31m";
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stop = "\e[0m";
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} else {
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start = "";
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stop = "";
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}
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kprintf("%s%.12lx %.12lx %10s %16s %16s %32s %32s%s\n", start,
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mi.AllocationBase, mi.BaseAddress, b[0],
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DescribeNtMemState(b[1], mi.State),
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DescribeNtMemType(b[2], mi.Type),
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(DescribeNtPageFlags)(b[3], mi.AllocationProtect),
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(DescribeNtPageFlags)(b[4], mi.Protect), stop);
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}
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}
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