From 6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 18:29:51 +0200 Subject: Adding upstream version 2.06. Signed-off-by: Daniel Baumann --- grub-core/lib/backtrace.c | 70 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 grub-core/lib/backtrace.c (limited to 'grub-core/lib/backtrace.c') diff --git a/grub-core/lib/backtrace.c b/grub-core/lib/backtrace.c new file mode 100644 index 0000000..825a880 --- /dev/null +++ b/grub-core/lib/backtrace.c @@ -0,0 +1,70 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 Free Software Foundation, Inc. + * + * GRUB 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, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB 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 GRUB. If not, see . + */ + +#include +#include +#include +#include +#include +#include +#include + +GRUB_MOD_LICENSE ("GPLv3+"); + +void +grub_backtrace_print_address (void *addr) +{ + grub_dl_t mod; + + FOR_DL_MODULES (mod) + { + grub_dl_segment_t segment; + for (segment = mod->segment; segment; segment = segment->next) + if (segment->addr <= addr && (grub_uint8_t *) segment->addr + + segment->size > (grub_uint8_t *) addr) + { + grub_printf ("%s.%x+%" PRIxGRUB_SIZE, mod->name, segment->section, + (grub_size_t) ((grub_uint8_t *) addr - (grub_uint8_t *) segment->addr)); + return; + } + } + + grub_printf ("%p", addr); +} + +static grub_err_t +grub_cmd_backtrace (grub_command_t cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) +{ + grub_backtrace (); + return 0; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(backtrace) +{ + cmd = grub_register_command ("backtrace", grub_cmd_backtrace, + 0, N_("Print backtrace.")); +} + +GRUB_MOD_FINI(backtrace) +{ + grub_unregister_command (cmd); +} -- cgit v1.2.3