/*-*- 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/stdio/stdio.h" /* clang-format off */ /** * Prints list of deferred operations on shadow stack. */ void PrintGarbage(void) { size_t i; char name[19]; const char *symbol; kprintf("\n"); kprintf(" SHADOW STACK @ %p\n", __builtin_frame_address(0)); kprintf("garbage ent. parent frame original ret callback arg \n"); kprintf("------------ ------------ ------------------ ------------------ ------------------\n"); if (__garbage.i) { for (i = __garbage.i; i--;) { symbol = __get_symbol_by_addr(__garbage.p[i].ret); if (symbol) { ksnprintf(name, sizeof(name), "%s", symbol); } else { ksnprintf(name, sizeof(name), "%#014lx", __garbage.p[i].ret); } kprintf("%12lx %12lx %18s %18s %#18lx\n", __garbage.p + i, __garbage.p[i].frame, name, __get_symbol_by_addr(__garbage.p[i].fn), __garbage.p[i].arg); } } else { kprintf("%12s %12s %18s %18s %18s\n","empty","-","-","-","-"); } kprintf("\n"); }