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* [Bug python/11036] New: Python: provide access to "hidden" variables
@ 2009-11-30 17:33 andre dot poenitz at nokia dot com
2010-01-19 14:16 ` [Bug python/11036] " pmuldoon at redhat dot com
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: andre dot poenitz at nokia dot com @ 2009-11-30 17:33 UTC (permalink / raw)
To: gdb-prs
It is possible to iterate over most local variables that are in scope using
while not block.function is None:
for symbol in block:
value = frame.read_var(symbol.print_name) [...]
block = block.superblock
but that misses "hidden" variables (i.e. that are defined in multiple scopes)
as "read_var" always finds the innermost.
--
Summary: Python: provide access to "hidden" variables
Product: gdb
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: python
AssignedTo: unassigned at sourceware dot org
ReportedBy: andre dot poenitz at nokia dot com
CC: gdb-prs at sourceware dot org
GCC build triplet: i486-linux-gnu
GCC host triplet: i486-linux-gnu
GCC target triplet: i486-linux-gnu
http://sourceware.org/bugzilla/show_bug.cgi?id=11036
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* [Bug python/11036] Python: provide access to "hidden" variables
2009-11-30 17:33 [Bug python/11036] New: Python: provide access to "hidden" variables andre dot poenitz at nokia dot com
@ 2010-01-19 14:16 ` pmuldoon at redhat dot com
2010-01-19 14:29 ` pmuldoon at redhat dot com
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: pmuldoon at redhat dot com @ 2010-01-19 14:16 UTC (permalink / raw)
To: gdb-prs
------- Additional Comments From pmuldoon at redhat dot com 2010-01-19 14:16 -------
I chatted with andre on irc and we came up with this reproducer:
simple.c ----------
#include <stdio.h>
int main()
{
int i = 0;
{
double i = 1.0;
double f = 2.0;
{
const char *i = "stuff";
const char *f = "foo";
const char *b = "bar";
printf ("break");
}
}
return 0;
}
symbol.py -----------------
frame = gdb.selected_frame()
block = frame.block()
count = 0
while True:
if block is None:
warn("UNEXPECTED 'None' BLOCK")
break
print "Block: ", count
for symbol in block:
name = symbol.print_name
try:
item = frame.read_var(name)
except RuntimeError:
continue
print name," (",item.type,") =",item
if not block.function is None:
break
block = block.superblock
count = count + 1
GDB output:
./gdb ./simple -ex 'b 13' -ex 'run' -ex 'python execfile("./symbol.py")'
Breakpoint 1 at 0x400507: file ../../frame/simple.c, line 13.
Breakpoint 1, main () at ../../frame/simple.c:13
13 printf ("break");
Block: 0
i ( const char * ) = 0x400618 "stuff"
f ( const char * ) = 0x40061e "foo"
b ( const char * ) = 0x400622 "bar"
Block: 1
i ( const char * ) = 0x400618 "stuff"
f ( const char * ) = 0x40061e "foo"
Block: 2
i ( const char * ) = 0x400618 "stuff"
--
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed| |1
http://sourceware.org/bugzilla/show_bug.cgi?id=11036
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* [Bug python/11036] Python: provide access to "hidden" variables
2009-11-30 17:33 [Bug python/11036] New: Python: provide access to "hidden" variables andre dot poenitz at nokia dot com
2010-01-19 14:16 ` [Bug python/11036] " pmuldoon at redhat dot com
@ 2010-01-19 14:29 ` pmuldoon at redhat dot com
2010-01-20 13:20 ` pmuldoon at redhat dot com
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: pmuldoon at redhat dot com @ 2010-01-19 14:29 UTC (permalink / raw)
To: gdb-prs
--
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at sourceware dot|pmuldoon at redhat dot com
|org |
Status|NEW |ASSIGNED
http://sourceware.org/bugzilla/show_bug.cgi?id=11036
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* [Bug python/11036] Python: provide access to "hidden" variables
2009-11-30 17:33 [Bug python/11036] New: Python: provide access to "hidden" variables andre dot poenitz at nokia dot com
2010-01-19 14:16 ` [Bug python/11036] " pmuldoon at redhat dot com
2010-01-19 14:29 ` pmuldoon at redhat dot com
@ 2010-01-20 13:20 ` pmuldoon at redhat dot com
2010-02-24 22:07 ` pmuldoon at redhat dot com
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: pmuldoon at redhat dot com @ 2010-01-20 13:20 UTC (permalink / raw)
To: gdb-prs
--
What |Removed |Added
----------------------------------------------------------------------------
BugsThisDependsOn| |11069
http://sourceware.org/bugzilla/show_bug.cgi?id=11036
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* [Bug python/11036] Python: provide access to "hidden" variables
2009-11-30 17:33 [Bug python/11036] New: Python: provide access to "hidden" variables andre dot poenitz at nokia dot com
` (2 preceding siblings ...)
2010-01-20 13:20 ` pmuldoon at redhat dot com
@ 2010-02-24 22:07 ` pmuldoon at redhat dot com
2010-02-28 21:57 ` cvs-commit at gcc dot gnu dot org
2010-02-28 21:59 ` pmuldoon at redhat dot com
5 siblings, 0 replies; 7+ messages in thread
From: pmuldoon at redhat dot com @ 2010-02-24 22:07 UTC (permalink / raw)
To: gdb-prs
--
Bug 11036 depends on bug 11069, which changed state.
Bug 11069 Summary: Port gdb.Block and gdb.Symbol and gdb.Symtab_and_line from archer-tromey-python
http://sourceware.org/bugzilla/show_bug.cgi?id=11069
What |Old Value |New Value
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
http://sourceware.org/bugzilla/show_bug.cgi?id=11036
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* [Bug python/11036] Python: provide access to "hidden" variables
2009-11-30 17:33 [Bug python/11036] New: Python: provide access to "hidden" variables andre dot poenitz at nokia dot com
` (3 preceding siblings ...)
2010-02-24 22:07 ` pmuldoon at redhat dot com
@ 2010-02-28 21:57 ` cvs-commit at gcc dot gnu dot org
2010-02-28 21:59 ` pmuldoon at redhat dot com
5 siblings, 0 replies; 7+ messages in thread
From: cvs-commit at gcc dot gnu dot org @ 2010-02-28 21:57 UTC (permalink / raw)
To: gdb-prs
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2010-02-28 21:57 -------
Subject: Bug 11036
CVSROOT: /cvs/src
Module name: src
Changes by: pmuldoon@sourceware.org 2010-02-28 21:56:51
Modified files:
gdb : ChangeLog
gdb/doc : ChangeLog gdb.texinfo
gdb/python : py-frame.c
gdb/testsuite : ChangeLog
gdb/testsuite/gdb.python: py-frame.c py-frame.exp
Log message:
2010-02-28 Phil Muldoon <pmuldoon@redhat.com>
PR python/11036
* python/py-frame.c (frapy_read_var): Add block argument and logic
to cope with user provided blocks.
2010-02-28 Phil Muldoon <pmuldoon@redhat.com>
* gdb.texinfo (Frames In Python): Add block parameter and
description to read_var text.
2010-02-28 Phil Muldoon <pmuldoon@redhat.com>
* gdb.python/py-frame.exp: Add read_var block tests.
* gdb.python/py-frame.c (block): New function.
Patches:
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/gdb/ChangeLog.diff?cvsroot=src&r1=1.11407&r2=1.11408
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/gdb/doc/ChangeLog.diff?cvsroot=src&r1=1.1015&r2=1.1016
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/gdb/doc/gdb.texinfo.diff?cvsroot=src&r1=1.674&r2=1.675
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/gdb/python/py-frame.c.diff?cvsroot=src&r1=1.3&r2=1.4
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/gdb/testsuite/ChangeLog.diff?cvsroot=src&r1=1.2155&r2=1.2156
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/gdb/testsuite/gdb.python/py-frame.c.diff?cvsroot=src&r1=1.1&r2=1.2
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/gdb/testsuite/gdb.python/py-frame.exp.diff?cvsroot=src&r1=1.3&r2=1.4
--
http://sourceware.org/bugzilla/show_bug.cgi?id=11036
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* [Bug python/11036] Python: provide access to "hidden" variables
2009-11-30 17:33 [Bug python/11036] New: Python: provide access to "hidden" variables andre dot poenitz at nokia dot com
` (4 preceding siblings ...)
2010-02-28 21:57 ` cvs-commit at gcc dot gnu dot org
@ 2010-02-28 21:59 ` pmuldoon at redhat dot com
5 siblings, 0 replies; 7+ messages in thread
From: pmuldoon at redhat dot com @ 2010-02-28 21:59 UTC (permalink / raw)
To: gdb-prs
------- Additional Comments From pmuldoon at redhat dot com 2010-02-28 21:59 -------
Fixed by the commit in comment #2
--
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
http://sourceware.org/bugzilla/show_bug.cgi?id=11036
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2009-11-30 17:33 [Bug python/11036] New: Python: provide access to "hidden" variables andre dot poenitz at nokia dot com
2010-01-19 14:16 ` [Bug python/11036] " pmuldoon at redhat dot com
2010-01-19 14:29 ` pmuldoon at redhat dot com
2010-01-20 13:20 ` pmuldoon at redhat dot com
2010-02-24 22:07 ` pmuldoon at redhat dot com
2010-02-28 21:57 ` cvs-commit at gcc dot gnu dot org
2010-02-28 21:59 ` pmuldoon at redhat dot com
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