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* [Bug python/18073] New: gdb.Type.fields() throws an exception when called on a function type
@ 2015-03-02 19:01 pipcet at gmail dot com
2015-03-02 20:25 ` [Bug python/18073] " pipcet at gmail dot com
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: pipcet at gmail dot com @ 2015-03-02 19:01 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=18073
Bug ID: 18073
Summary: gdb.Type.fields() throws an exception when called on a
function type
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: python
Assignee: unassigned at sourceware dot org
Reporter: pipcet at gmail dot com
Created attachment 8160
--> https://sourceware.org/bugzilla/attachment.cgi?id=8160&action=edit
patch
I'd like to submit the following obvious patch. It makes the python
gdb.Type.fields function return fields for function types, rather than throwing
an exception.
I do not know enough about gdb types to know whether there are any other type
codes that .fields() might validly get called on. (I do know that both the
python and the guile interface to types appear to be broken right now, which is
an unfortunate coincidence.)
diff --git a/gdb/python/py-type.c b/gdb/python/py-type.c
index a3da678..aed6b03 100644
--- a/gdb/python/py-type.c
+++ b/gdb/python/py-type.c
@@ -486,10 +486,11 @@ typy_get_composite (struct type *type)
exception. */
if (TYPE_CODE (type) != TYPE_CODE_STRUCT
&& TYPE_CODE (type) != TYPE_CODE_UNION
- && TYPE_CODE (type) != TYPE_CODE_ENUM)
+ && TYPE_CODE (type) != TYPE_CODE_ENUM
+ && TYPE_CODE (type) != TYPE_CODE_FUNC)
{
PyErr_SetString (PyExc_TypeError,
- "Type is not a structure, union, or enum type.");
+ "Type is not a structure, union, enum, or function type.");
return NULL;
}
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* [Bug python/18073] gdb.Type.fields() throws an exception when called on a function type
2015-03-02 19:01 [Bug python/18073] New: gdb.Type.fields() throws an exception when called on a function type pipcet at gmail dot com
@ 2015-03-02 20:25 ` pipcet at gmail dot com
2015-09-30 18:41 ` munsal at nestlabs dot com
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: pipcet at gmail dot com @ 2015-03-02 20:25 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=18073
pipcet at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |pipcet at gmail dot com
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* [Bug python/18073] gdb.Type.fields() throws an exception when called on a function type
2015-03-02 19:01 [Bug python/18073] New: gdb.Type.fields() throws an exception when called on a function type pipcet at gmail dot com
2015-03-02 20:25 ` [Bug python/18073] " pipcet at gmail dot com
@ 2015-09-30 18:41 ` munsal at nestlabs dot com
2015-10-21 19:59 ` cvs-commit at gcc dot gnu.org
2015-10-21 20:03 ` simon.marchi at ericsson dot com
3 siblings, 0 replies; 5+ messages in thread
From: munsal at nestlabs dot com @ 2015-09-30 18:41 UTC (permalink / raw)
To: gdb-prs
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https://sourceware.org/bugzilla/show_bug.cgi?id=18073
Martin Ãnsal <munsal at nestlabs dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |munsal at nestlabs dot com
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>From gdb-prs-return-18653-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Sep 30 19:20:02 2015
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From: "oarias at knights dot ucf.edu" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/19033] New: [msp430-elf] Failure to read line numbers
Date: Wed, 30 Sep 2015 19:20:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id\x19033
Bug ID: 19033
Summary: [msp430-elf] Failure to read line numbers
Product: gdb
Version: 7.10
Status: NEW
Severity: normal
Priority: P2
Component: gdb
Assignee: unassigned at sourceware dot org
Reporter: oarias at knights dot ucf.edu
Target Milestone: ---
Created attachment 8654
--> https://sourceware.org/bugzilla/attachment.cgi?id54&actioníit
Source file
Greetings,
I have been experimenting with the msp430-elf port of GDB and I have run into
the situation where it is unable to read line numbers for some functions. Both
readelf and objdump are able to see the line numbers, however gdb does not
populate the necessary entries.
Attached to this report is the test source file, a compiled binary, the linker
script used and the gdb log with readelf information appended. The compiler
command issued was
$ msp430-elf-gcc -o test.elf -mmcu=msp430f2013 -O0 -g test.c
Using gcc 5.2.0, binutils 2.25.1 and newlib 2.2.0.20150824.
Please let me know if more information is needed. Thank you.
Cheers,
Orlando.
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* [Bug python/18073] gdb.Type.fields() throws an exception when called on a function type
2015-03-02 19:01 [Bug python/18073] New: gdb.Type.fields() throws an exception when called on a function type pipcet at gmail dot com
2015-03-02 20:25 ` [Bug python/18073] " pipcet at gmail dot com
2015-09-30 18:41 ` munsal at nestlabs dot com
@ 2015-10-21 19:59 ` cvs-commit at gcc dot gnu.org
2015-10-21 20:03 ` simon.marchi at ericsson dot com
3 siblings, 0 replies; 5+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2015-10-21 19:59 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=18073
--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Simon Marchi <simark@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=bed91f4da252b5f30d3cb4fd9f9febd61ad9560d
commit bed91f4da252b5f30d3cb4fd9f9febd61ad9560d
Author: Simon Marchi <simon.marchi@ericsson.com>
Date: Wed Oct 21 15:57:22 2015 -0400
Fix accessing a function's fields (parameters) from Python (PR 18073)
Since 7.4, gdb doesn't allow calling .fields() on a function type, even
though the documentation states it should return a list corresponding to
the function's parameters. This patch restores the intended behaviour
and adds a test for it.
Reg-tested on Arch Linux x86-64.
gdb/ChangeLog:
PR python/18073
* python/py-type.c (typy_get_composite): Allow returning a
function type.
gdb/testsuite/ChangeLog:
PR python/18073
* gdb.python/py-type.c (C::a_method): New.
(C::a_const_method): New.
(C::a_static_method): New.
(a_function): New.
* gdb.python/py-type.exp (test_fields): Test getting fields
from function and method.
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* [Bug python/18073] gdb.Type.fields() throws an exception when called on a function type
2015-03-02 19:01 [Bug python/18073] New: gdb.Type.fields() throws an exception when called on a function type pipcet at gmail dot com
` (2 preceding siblings ...)
2015-10-21 19:59 ` cvs-commit at gcc dot gnu.org
@ 2015-10-21 20:03 ` simon.marchi at ericsson dot com
3 siblings, 0 replies; 5+ messages in thread
From: simon.marchi at ericsson dot com @ 2015-10-21 20:03 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=18073
Simon Marchi <simon.marchi at ericsson dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |simon.marchi at ericsson dot com
Resolution|--- |FIXED
--- Comment #2 from Simon Marchi <simon.marchi at ericsson dot com> ---
This should be fixed in master. Thanks for reporting and providing the fix!
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2015-03-02 19:01 [Bug python/18073] New: gdb.Type.fields() throws an exception when called on a function type pipcet at gmail dot com
2015-03-02 20:25 ` [Bug python/18073] " pipcet at gmail dot com
2015-09-30 18:41 ` munsal at nestlabs dot com
2015-10-21 19:59 ` cvs-commit at gcc dot gnu.org
2015-10-21 20:03 ` simon.marchi at ericsson dot com
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