cosmopolitan/libc/runtime/printmemoryintervals.c

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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi
Copyright 2020 Justine Alexandra Roberts Tunney
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
#include "libc/calls/calls.h"
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#include "libc/log/log.h"
#include "libc/runtime/memtrack.h"
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STATIC_YOINK("ntoa");
STATIC_YOINK("stoa");
void PrintMemoryIntervals(int fd, const struct MemoryIntervals *mm) {
int i, frames, maptally, gaptally;
maptally = 0;
gaptally = 0;
(dprintf)(fd, "%s%zd%s\n", "mm->i == ", mm->i, ";");
for (i = 0; i < mm->i; ++i) {
if (i && mm->p[i].x != mm->p[i - 1].y + 1) {
frames = mm->p[i].x - mm->p[i - 1].y - 1;
gaptally += frames;
(dprintf)(fd, "%s%,zd%s\n", "/* ", frames, " */");
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}
frames = mm->p[i].y + 1 - mm->p[i].x;
maptally += frames;
(dprintf)(fd, "%s%3u%s0x%08x,0x%08x%s%,zd%s\n", "mm->p[", i, "]=={",
mm->p[i].x, mm->p[i].y, "}; /* ", frames, " */");
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}
(dprintf)(fd, "%s%,zd%s%,zd%s\n\n", "/* ", maptally, " frames mapped w/ ",
gaptally, " frames gapped */");
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}