cosmopolitan/tool/viz/virtualquery.c
Justine Tunney bb06230f1e
Avoid linker conflicts on DescribeFoo symbols
These symbols belong to the user. It caused a confusing error for Blink.
2024-08-24 18:10:22 -07:00

86 lines
3.9 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/fmt/conv.h"
#include "libc/intrin/describeflags.h"
#include "libc/macros.h"
#include "libc/nt/enum/memflags.h"
#include "libc/nt/memory.h"
#include "libc/nt/struct/memorybasicinformation.h"
#include "libc/runtime/runtime.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
#if defined(__x86_64__) && SupportsWindows()
/**
* @fileoverview WIN32 Virtual Memory Layout Dump Utility
*/
static const struct DescribeFlags kNtMemState[] = {
{kNtMemCommit, "Commit"}, //
{kNtMemFree, "Free"}, //
{kNtMemReserve, "Reserve"}, //
};
const char *DescribeNtMemState(char buf[64], uint32_t x) {
return _DescribeFlags(buf, 64, kNtMemState, ARRAYLEN(kNtMemState), "kNtMem",
x);
}
static const struct DescribeFlags kNtMemType[] = {
{kNtMemImage, "Image"}, //
{kNtMemMapped, "Mapped"}, //
{kNtMemPrivate, "Private"}, //
};
const char *DescribeNtMemType(char buf[64], uint32_t x) {
return _DescribeFlags(buf, 64, kNtMemType, ARRAYLEN(kNtMemType), "kNtMem", x);
}
int main(int argc, char *argv[]) {
char *p, b[5][64];
struct NtMemoryBasicInformation mi;
if (!IsWindows()) {
fprintf(stderr, "error: %s is intended for windows\n",
program_invocation_short_name);
exit(1);
}
printf("%-12s %-12s %10s %16s %16s %32s %32s\n", "Allocation", "BaseAddress",
"RegionSize", "State", "Type", "AllocationProtect", "Protect");
for (p = 0;; p = (char *)mi.BaseAddress + mi.RegionSize) {
bzero(&mi, sizeof(mi));
if (!VirtualQuery(p, &mi, sizeof(mi)))
break;
sizefmt(b[0], mi.RegionSize, 1024);
printf("%.12lx %.12lx %10s %16s %16s %32s %32s\n", mi.AllocationBase,
mi.BaseAddress, b[0], DescribeNtMemState(b[1], mi.State),
DescribeNtMemType(b[2], mi.Type),
_DescribeNtPageFlags(b[3], mi.AllocationProtect),
_DescribeNtPageFlags(b[4], mi.Protect));
}
}
#else
int main(int argc, char *argv[]) {
fprintf(stderr,
"virtualquery not supported on this cpu arch or build config\n");
return 1;
}
#endif /* __x86_64__ && SupportsWindows() */