* [Bug ada/17854] Nothing sets pspace_data->sym_cache?
2015-01-18 4:45 [Bug ada/17854] New: Nothing sets pspace_data->sym_cache? xdje42 at gmail dot com
@ 2015-01-18 4:47 ` xdje42 at gmail dot com
2015-01-18 4:54 ` xdje42 at gmail dot com
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From: xdje42 at gmail dot com @ 2015-01-18 4:47 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=17854
Doug Evans <xdje42 at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |brobecker at adacore dot com
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* [Bug ada/17854] Nothing sets pspace_data->sym_cache?
2015-01-18 4:45 [Bug ada/17854] New: Nothing sets pspace_data->sym_cache? xdje42 at gmail dot com
2015-01-18 4:47 ` [Bug ada/17854] " xdje42 at gmail dot com
@ 2015-01-18 4:54 ` xdje42 at gmail dot com
2015-01-18 5:04 ` xdje42 at gmail dot com
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From: xdje42 at gmail dot com @ 2015-01-18 4:54 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=17854
--- Comment #1 from Doug Evans <xdje42 at gmail dot com> ---
PR 17855 describes the cache invalidation bug.
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* [Bug ada/17854] Nothing sets pspace_data->sym_cache?
2015-01-18 4:45 [Bug ada/17854] New: Nothing sets pspace_data->sym_cache? xdje42 at gmail dot com
2015-01-18 4:47 ` [Bug ada/17854] " xdje42 at gmail dot com
2015-01-18 4:54 ` xdje42 at gmail dot com
@ 2015-01-18 5:04 ` xdje42 at gmail dot com
2015-01-18 7:25 ` xdje42 at gmail dot com
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From: xdje42 at gmail dot com @ 2015-01-18 5:04 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=17854
--- Comment #2 from Doug Evans <xdje42 at gmail dot com> ---
While we're fixing this,
ada_clear_symbol_cache could first check whether there is a cache.
This would save creating one when debugging non-ada programs.
Plus, after fixing this bug I see ada_clear_symbol_cache create
the cache only to free it and recreate it.
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* [Bug ada/17854] Nothing sets pspace_data->sym_cache?
2015-01-18 4:45 [Bug ada/17854] New: Nothing sets pspace_data->sym_cache? xdje42 at gmail dot com
` (2 preceding siblings ...)
2015-01-18 5:04 ` xdje42 at gmail dot com
@ 2015-01-18 7:25 ` xdje42 at gmail dot com
2015-02-02 3:32 ` cvs-commit at gcc dot gnu.org
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From: xdje42 at gmail dot com @ 2015-01-18 7:25 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=17854
--- Comment #3 from Doug Evans <xdje42 at gmail dot com> ---
*** Bug 17853 has been marked as a duplicate of this bug. ***
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* [Bug ada/17854] Nothing sets pspace_data->sym_cache?
2015-01-18 4:45 [Bug ada/17854] New: Nothing sets pspace_data->sym_cache? xdje42 at gmail dot com
` (3 preceding siblings ...)
2015-01-18 7:25 ` xdje42 at gmail dot com
@ 2015-02-02 3:32 ` cvs-commit at gcc dot gnu.org
2015-02-02 3:40 ` cvs-commit at gcc dot gnu.org
2015-02-02 17:36 ` brobecker at gnat dot com
6 siblings, 0 replies; 8+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2015-02-02 3:32 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=17854
--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Joel Brobecker <brobecke@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=66c168ae56fa2d67f821ccae774fd25c695fd9ce
commit 66c168ae56fa2d67f821ccae774fd25c695fd9ce
Author: Joel Brobecker <brobecker@adacore.com>
Date: Mon Feb 2 07:20:58 2015 +0400
[Ada] pspace_data->sym_cache is always NULL
The Ada symbol cache has been designed to have one instance of that
of that cache per program space, and for each instance to be created
on-demand. ada_get_symbol_cache is the function responsible for both
lookup and creation on demand.
Unfortunately, ada_get_symbol_cache forgot to store the reference
to newly created caches, thus causing it to:
- Leak old caches;
- Allocate a new cache each time the cache is being searched or
a new entry is to be inserted.
This patch fixes the issue by avoiding the use of the local variable,
which indirectly allowed the bug to happen. We manipulate the reference
in the program-space data instead.
gdb/ChangeLog:
PR gdb/17854:
* ada-lang.c (ada_get_symbol_cache): Set pspace_data->sym_cache
when allocating a new one.
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* [Bug ada/17854] Nothing sets pspace_data->sym_cache?
2015-01-18 4:45 [Bug ada/17854] New: Nothing sets pspace_data->sym_cache? xdje42 at gmail dot com
` (4 preceding siblings ...)
2015-02-02 3:32 ` cvs-commit at gcc dot gnu.org
@ 2015-02-02 3:40 ` cvs-commit at gcc dot gnu.org
2015-02-02 17:36 ` brobecker at gnat dot com
6 siblings, 0 replies; 8+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2015-02-02 3:40 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=17854
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The gdb-7.9-branch branch has been updated by Joel Brobecker
<brobecke@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=19a5737950b966d0ff3e50c01bb43742a870bb9e
commit 19a5737950b966d0ff3e50c01bb43742a870bb9e
Author: Joel Brobecker <brobecker@adacore.com>
Date: Mon Feb 2 07:20:58 2015 +0400
[Ada] pspace_data->sym_cache is always NULL
The Ada symbol cache has been designed to have one instance of that
of that cache per program space, and for each instance to be created
on-demand. ada_get_symbol_cache is the function responsible for both
lookup and creation on demand.
Unfortunately, ada_get_symbol_cache forgot to store the reference
to newly created caches, thus causing it to:
- Leak old caches;
- Allocate a new cache each time the cache is being searched or
a new entry is to be inserted.
This patch fixes the issue by avoiding the use of the local variable,
which indirectly allowed the bug to happen. We manipulate the reference
in the program-space data instead.
gdb/ChangeLog:
PR gdb/17854:
* ada-lang.c (ada_get_symbol_cache): Set pspace_data->sym_cache
when allocating a new one.
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* [Bug ada/17854] Nothing sets pspace_data->sym_cache?
2015-01-18 4:45 [Bug ada/17854] New: Nothing sets pspace_data->sym_cache? xdje42 at gmail dot com
` (5 preceding siblings ...)
2015-02-02 3:40 ` cvs-commit at gcc dot gnu.org
@ 2015-02-02 17:36 ` brobecker at gnat dot com
6 siblings, 0 replies; 8+ messages in thread
From: brobecker at gnat dot com @ 2015-02-02 17:36 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=17854
Joel Brobecker <brobecker at gnat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |brobecker at gnat dot com
Resolution|--- |FIXED
--- Comment #6 from Joel Brobecker <brobecker at gnat dot com> ---
Fixed.
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