mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-01 03:53:33 +00:00
0e2b1bfeed
- You can now use _gc(malloc()) in multithreaded programs - This change fixes a bug where fork() on NT disabled TLS - Fixed TLS code morphing on XNU/NT, for R8-R15 registers
60 lines
3.1 KiB
C
60 lines
3.1 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 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/fmt/fmt.h"
|
|
#include "libc/intrin/kprintf.h"
|
|
#include "libc/log/log.h"
|
|
#include "libc/nexgen32e/gc.internal.h"
|
|
#include "libc/nexgen32e/gettls.h"
|
|
#include "libc/nexgen32e/threaded.h"
|
|
#include "libc/stdio/stdio.h"
|
|
#include "libc/thread/thread.h"
|
|
// clang-format off
|
|
|
|
/**
|
|
* Prints list of deferred operations on shadow stack.
|
|
*/
|
|
void PrintGarbage(void) {
|
|
size_t i;
|
|
char name[19];
|
|
const char *symbol;
|
|
struct Garbages *g;
|
|
kprintf("\n");
|
|
kprintf(" SHADOW STACK @ %p\n", __builtin_frame_address(0));
|
|
kprintf("garbage ent. parent frame original ret callback arg \n");
|
|
kprintf("------------ ------------ ------------------ ------------------ ------------------\n");
|
|
if ((g = __tls_enabled ? ((cthread_t)__get_tls())->garbages:0) && g->i) {
|
|
for (i = g->i; i--;) {
|
|
symbol = __get_symbol_by_addr(g->p[i].ret);
|
|
if (symbol) {
|
|
ksnprintf(name, sizeof(name), "%s", symbol);
|
|
} else {
|
|
ksnprintf(name, sizeof(name), "%#014lx", g->p[i].ret);
|
|
}
|
|
kprintf("%12lx %12lx %18s %18s %#18lx\n",
|
|
g->p + i,
|
|
g->p[i].frame,
|
|
name,
|
|
__get_symbol_by_addr(g->p[i].fn),
|
|
g->p[i].arg);
|
|
}
|
|
} else {
|
|
kprintf("%12s %12s %18s %18s %18s\n","empty","-","-","-","-");
|
|
}
|
|
kprintf("\n");
|
|
}
|