Fix regression in _gclongjmp()

This commit is contained in:
Justine Tunney 2021-08-19 08:30:00 -07:00
parent da45c7c80b
commit 65f32fad52
12 changed files with 225 additions and 25 deletions

42
libc/log/printgarbage.c Normal file
View file

@ -0,0 +1,42 @@
/*-*- 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 2021 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/log/log.h"
#include "libc/nexgen32e/gc.internal.h"
#include "libc/stdio/stdio.h"
/* clang-format off */
/**
* Prints list of deferred operations on shadow stack.
*/
void PrintGarbage(FILE *f) {
size_t i;
f = stderr;
fprintf(f, "\n");
fprintf(f, " SHADOW STACK @ 0x%016lx\n", __builtin_frame_address(0));
fprintf(f, " garbage entry parent frame original ret callback arg \n");
fprintf(f, "-------------- -------------- ------------------ ------------------ ------------------\n");
for (i = __garbage.i; i--;) {
fprintf(f, "0x%012lx 0x%012lx %-18s %-18s 0x%016lx\n",
__garbage.p + i,
__garbage.p[i].frame,
GetSymbolByAddr(__garbage.p[i].ret-1),
GetSymbolByAddr(__garbage.p[i].fn),
__garbage.p[i].arg);
}
}