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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:29:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:29:51 +0000
commit6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e (patch)
tree32451fa3cdd9321fb2591fada9891b2cb70a9cd1 /grub-core/lib/backtrace.c
parentInitial commit. (diff)
downloadgrub2-6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e.tar.xz
grub2-6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e.zip
Adding upstream version 2.06.upstream/2.06upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'grub-core/lib/backtrace.c')
-rw-r--r--grub-core/lib/backtrace.c70
1 files changed, 70 insertions, 0 deletions
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 <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/misc.h>
+#include <grub/command.h>
+#include <grub/err.h>
+#include <grub/dl.h>
+#include <grub/mm.h>
+#include <grub/term.h>
+#include <grub/backtrace.h>
+
+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);
+}