cosmopolitan/libc/runtime/printmemoryintervals.c

46 lines
2.7 KiB
C

/*-*- 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"
#include "libc/log/log.h"
#include "libc/runtime/memtrack.h"
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\r\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\r\n", "/* ", frames, " */");
}
frames = mm->p[i].y + 1 - mm->p[i].x;
maptally += frames;
(dprintf)(fd, "%s%3u%s0x%08x,0x%08x%s%,zd%s\r\n", "mm->p[", i, "]=={",
mm->p[i].x, mm->p[i].y, "}; /* ", frames, " */");
}
(dprintf)(fd, "%s%,zd%s%,zd%s\r\n\r\n", "/* ", maptally, " frames mapped w/ ",
gaptally, " frames gapped */");
}