* [PATCH][gdb] Fix 'not in executable format' error message
@ 2021-08-18 7:14 tdevries
2021-08-18 7:45 ` Philippe Waroquiers
2021-08-18 8:50 ` Andreas Schwab
0 siblings, 2 replies; 4+ messages in thread
From: tdevries @ 2021-08-18 7:14 UTC (permalink / raw)
To: gdb-patches
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Any comments?
Thanks,
- Tom
[-- Attachment #2: 0001-gdb-Fix-not-in-executable-format-error-message.patch --]
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[gdb] Fix 'not in executable format' error message
With trying to load a non-executable file into gdb, we run into:
...
$ gdb -q -batch test.c
"0x7ffc87bfc8d0s": not in executable format: \
file format not recognized
...
The problem is caused by using %ps in combination with the error function
(note that confusingly, it does work in combination with the warning
function).
Fix this by using plain "%s" instead.
Tested on x86_64-linux.
---
gdb/exec.c | 8 +++-----
gdb/testsuite/gdb.base/non-executable.exp | 32 +++++++++++++++++++++++++++++++
2 files changed, 35 insertions(+), 5 deletions(-)
diff --git a/gdb/exec.c b/gdb/exec.c
index 6f936c9403f..1be51474b4a 100644
--- a/gdb/exec.c
+++ b/gdb/exec.c
@@ -453,9 +453,8 @@ exec_file_attach (const char *filename, int from_tty)
if (!current_program_space->exec_bfd ())
{
- error (_("\"%ps\": could not open as an executable file: %s."),
- styled_string (file_name_style.style (), scratch_pathname),
- bfd_errmsg (bfd_get_error ()));
+ error (_("\"%s\": could not open as an executable file: %s."),
+ scratch_pathname, bfd_errmsg (bfd_get_error ()));
}
/* gdb_realpath_keepfile resolves symlinks on the local
@@ -475,8 +474,7 @@ exec_file_attach (const char *filename, int from_tty)
/* Make sure to close exec_bfd, or else "run" might try to use
it. */
current_program_space->exec_close ();
- error (_("\"%ps\": not in executable format: %s"),
- styled_string (file_name_style.style (), scratch_pathname),
+ error (_("\"%s\": not in executable format: %s"), scratch_pathname,
gdb_bfd_errmsg (bfd_get_error (), matching).c_str ());
}
diff --git a/gdb/testsuite/gdb.base/non-executable.exp b/gdb/testsuite/gdb.base/non-executable.exp
new file mode 100644
index 00000000000..4ae123a2cb2
--- /dev/null
+++ b/gdb/testsuite/gdb.base/non-executable.exp
@@ -0,0 +1,32 @@
+# Copyright 2021 Free Software Foundation, Inc.
+
+# This program 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.
+#
+# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
+
+# Check that loading an existing but non-executable file
+# results in the correct error message.
+
+set binfile "$srcdir/$subdir/$gdb_test_file_name.exp"
+
+clean_restart
+
+set re \
+ [list \
+ "\"[string_to_regexp $binfile]\"" \
+ "not in executable format" \
+ "file format not recognized"]
+set re [join $re ": "]
+
+# Using gdb_load will generate a dejagnu ERROR, so use
+# plain file command instead.
+gdb_test "file $binfile" $re "error message"
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH][gdb] Fix 'not in executable format' error message
2021-08-18 7:14 [PATCH][gdb] Fix 'not in executable format' error message tdevries
@ 2021-08-18 7:45 ` Philippe Waroquiers
2021-08-18 8:50 ` Andreas Schwab
1 sibling, 0 replies; 4+ messages in thread
From: Philippe Waroquiers @ 2021-08-18 7:45 UTC (permalink / raw)
To: tdevries, gdb-patches
On Wed, 2021-08-18 at 07:14 +0000, tdevries via Gdb-patches wrote:
> Any comments?
Patch looks fine for me.
Thanks
Philippe
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH][gdb] Fix 'not in executable format' error message
2021-08-18 7:14 [PATCH][gdb] Fix 'not in executable format' error message tdevries
2021-08-18 7:45 ` Philippe Waroquiers
@ 2021-08-18 8:50 ` Andreas Schwab
2021-08-18 9:24 ` tdevries
1 sibling, 1 reply; 4+ messages in thread
From: Andreas Schwab @ 2021-08-18 8:50 UTC (permalink / raw)
To: tdevries via Gdb-patches
On Aug 18 2021, tdevries via Gdb-patches wrote:
> The problem is caused by using %ps in combination with the error function
Why does it not support it?
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1
"And now for something completely different."
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH][gdb] Fix 'not in executable format' error message
2021-08-18 8:50 ` Andreas Schwab
@ 2021-08-18 9:24 ` tdevries
0 siblings, 0 replies; 4+ messages in thread
From: tdevries @ 2021-08-18 9:24 UTC (permalink / raw)
To: Andreas Schwab; +Cc: tdevries via Gdb-patches
On 2021-08-18 08:50, Andreas Schwab wrote:
> On Aug 18 2021, tdevries via Gdb-patches wrote:
>
>> The problem is caused by using %ps in combination with the error
>> function
>
> Why does it not support it?
>
Because it hasn't been implemented. There's a discussion about
implementing this in the corresponding PR (
https://sourceware.org/bugzilla/show_bug.cgi?id=26880 ).
Thanks,
- Tom
> Andreas.
^ permalink raw reply [flat|nested] 4+ messages in thread
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2021-08-18 7:14 [PATCH][gdb] Fix 'not in executable format' error message tdevries
2021-08-18 7:45 ` Philippe Waroquiers
2021-08-18 8:50 ` Andreas Schwab
2021-08-18 9:24 ` tdevries
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