mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 19:43:32 +00:00
b45d50b690
- Fix build flakes - Polyfill SIGWINCH on Windows - Fix an execve issue on Windows - Make strerror show more information - Improve cmd.exe setup/teardown on Windows - Support bracketed paste mode in Blinkenlights - Show keyboard shortcuts in Blinkenlights status bar - Fixed copy_file_range() and copyfile() w/ zip filesystem - Size optimize GetDosArgv() to keep life.com 12kb in size - Improve Blinkenlights ability to load weird ELF executables - Fix program_executable_name and add GetInterpreterExecutableName - Make Python in tiny mode fail better if docstrings are requested - Update Python test exclusions in tiny* modes such as tinylinux - Add bulletproof unbreakable kprintf() troubleshooting function - Remove "oldskool" keyword from ape.S for virus scanners - Fix issue that caused backtraces to not print sometimes - Improve Blinkenlights serial uart character i/o - Make clock_gettime() not clobber errno on xnu - Improve sha256 cpuid check for old computers - Integrate some bestline linenoise fixes - Show runit process names better in htop - Remove SIGPIPE from ShowCrashReports() - Make realpath() not clobber errno - Avoid attaching GDB on non-Linux - Improve img.com example
60 lines
3.3 KiB
C
60 lines
3.3 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 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/itoa.h"
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#include "libc/intrin/kprintf.h"
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#include "libc/macros.internal.h"
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#include "libc/runtime/memtrack.internal.h"
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#define ADDR(x) ((intptr_t)((int64_t)((uint64_t)(x) << 32) >> 16))
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static bool IsNoteworthyHole(unsigned i, const struct MemoryIntervals *mm) {
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// gaps between shadow frames aren't interesting
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// the chasm from heap to stack ruins statistics
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return !(
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(IsArenaFrame(mm->p[i].y) && !IsArenaFrame(mm->p[i + 1].x)) ||
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(IsShadowFrame(mm->p[i].y) || IsShadowFrame(mm->p[i + 1].x)) ||
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(!IsStaticStackFrame(mm->p[i].y) && IsStaticStackFrame(mm->p[i + 1].x)));
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}
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void PrintMemoryIntervals(int fd, const struct MemoryIntervals *mm) {
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char *p, mode[8];
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long i, w, frames, maptally = 0, gaptally = 0;
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for (w = i = 0; i < mm->i; ++i) {
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w = MAX(w, LengthInt64Thousands(mm->p[i].y + 1 - mm->p[i].x));
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}
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for (i = 0; i < mm->i; ++i) {
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frames = mm->p[i].y + 1 - mm->p[i].x;
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maptally += frames;
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kprintf("%012lx-%012lx %s %'*ldx%s", ADDR(mm->p[i].x), ADDR(mm->p[i].y + 1),
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DescribeMapping(mm->p[i].prot, mm->p[i].flags, mode), w, frames,
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DescribeFrame(mm->p[i].x));
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if (i + 1 < _mmi.i) {
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frames = mm->p[i + 1].x - mm->p[i].y - 1;
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if (frames && IsNoteworthyHole(i, mm)) {
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gaptally += frames;
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kprintf(" w/ %'ld frame hole", frames);
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}
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}
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if (mm->p[i].h != -1) {
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kprintf(" h=%ld", mm->p[i].h);
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}
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kprintf("%n");
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}
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kprintf("# %ld frames mapped w/ %'ld frames gapped%n", maptally, gaptally);
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}
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