public inbox for gdb-cvs@sourceware.org
help / color / mirror / Atom feed
* [binutils-gdb] gdbserver: Add assert in find_register_by_number
@ 2023-02-01 21:33 Thiago Bauermann
0 siblings, 0 replies; only message in thread
From: Thiago Bauermann @ 2023-02-01 21:33 UTC (permalink / raw)
To: gdb-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=cbd02f9fa521a6cb21c04b15ee7671c8bb4be55b
commit cbd02f9fa521a6cb21c04b15ee7671c8bb4be55b
Author: Thiago Jung Bauermann <thiago.bauermann@linaro.org>
Date: Tue Aug 16 17:18:47 2022 +0000
gdbserver: Add assert in find_register_by_number
It helped me during development, catching bugs closer to when they actually
happened.
Also remove the equivalent gdb_assert in regcache_raw_read_unsigned, since
it's checking the same condition a few frames above.
Suggested-By: Simon Marchi <simon.marchi@efficios.com>
Approved-By: Simon Marchi <simon.marchi@efficios.com>
Diff:
---
gdbserver/regcache.cc | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/gdbserver/regcache.cc b/gdbserver/regcache.cc
index 3aeefcc79a3..0b1141662ac 100644
--- a/gdbserver/regcache.cc
+++ b/gdbserver/regcache.cc
@@ -199,6 +199,9 @@ regcache_cpy (struct regcache *dst, struct regcache *src)
static const struct gdb::reg &
find_register_by_number (const struct target_desc *tdesc, int n)
{
+ gdb_assert (n >= 0);
+ gdb_assert (n < tdesc->reg_defs.size ());
+
return tdesc->reg_defs[n];
}
@@ -440,8 +443,6 @@ regcache_raw_read_unsigned (struct regcache *regcache, int regnum,
int size;
gdb_assert (regcache != NULL);
- gdb_assert (regnum >= 0
- && regnum < regcache->tdesc->reg_defs.size ());
size = register_size (regcache->tdesc, regnum);
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2023-02-01 21:33 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-02-01 21:33 [binutils-gdb] gdbserver: Add assert in find_register_by_number Thiago Bauermann
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).