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Rebase to 7.8.1.20141228 for a performance fix (PR binutils/17677).

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This commit is contained in:
Jan Kratochvil 2014-12-28 13:55:09 +01:00
parent b132e8a8fd
commit 1445be5574
4 changed files with 8 additions and 312 deletions
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2
.gitignore vendored
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@ -1,2 +1,2 @@
/gdb-libstdc++-v3-python-r155978.tar.bz2
/gdb-7.8.1.tar.xz
/gdb-7.8.1.20141228.tar.xz

307
gdb-upstream.patch
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@ -65,310 +65,3 @@ index 0e0202d..d849b4c 100644
# gdbserver does not have this issue.
if ![is_remote target] {
setup_kfail "*-*-*" gdb/15934
commit cac9b138f75c94c1256d054cbafdf208b8963ce1
Author: Jan Kratochvil <jan.kratochvil@redhat.com>
Date: Mon Nov 24 18:05:04 2014 +0100
Reindent code (resolve_dynamic_type_internal).
gdb/ChangeLog
2014-11-24 Jan Kratochvil <jan.kratochvil@redhat.com>
* gdbtypes.c (resolve_dynamic_type_internal): Reindent the code.
### a/gdb/ChangeLog
### b/gdb/ChangeLog
## -1,3 +1,7 @@
+2014-11-24 Jan Kratochvil <jan.kratochvil@redhat.com>
+
+ * gdbtypes.c (resolve_dynamic_type_internal): Reindent the code.
+
2014-11-24 Samuel Thibault <samuel.thibault@ens-lyon.org>
Pushed by Joel Brobecker <brobecker@adacore.com>
--- a/gdb/gdbtypes.c
+++ b/gdb/gdbtypes.c
@@ -1877,31 +1877,31 @@ resolve_dynamic_type_internal (struct type *type, CORE_ADDR addr,
switch (TYPE_CODE (type))
{
- case TYPE_CODE_TYPEDEF:
+ case TYPE_CODE_TYPEDEF:
+ resolved_type = copy_type (type);
+ TYPE_TARGET_TYPE (resolved_type)
+ = resolve_dynamic_type_internal (TYPE_TARGET_TYPE (type), addr,
+ top_level);
+ break;
+
+ case TYPE_CODE_REF:
+ {
+ CORE_ADDR target_addr = read_memory_typed_address (addr, type);
+
resolved_type = copy_type (type);
TYPE_TARGET_TYPE (resolved_type)
- = resolve_dynamic_type_internal (TYPE_TARGET_TYPE (type), addr,
- top_level);
+ = resolve_dynamic_type_internal (TYPE_TARGET_TYPE (type),
+ target_addr, top_level);
break;
+ }
- case TYPE_CODE_REF:
- {
- CORE_ADDR target_addr = read_memory_typed_address (addr, type);
-
- resolved_type = copy_type (type);
- TYPE_TARGET_TYPE (resolved_type)
- = resolve_dynamic_type_internal (TYPE_TARGET_TYPE (type),
- target_addr, top_level);
- break;
- }
-
- case TYPE_CODE_ARRAY:
- resolved_type = resolve_dynamic_array (type);
- break;
+ case TYPE_CODE_ARRAY:
+ resolved_type = resolve_dynamic_array (type);
+ break;
- case TYPE_CODE_RANGE:
- resolved_type = resolve_dynamic_range (type);
- break;
+ case TYPE_CODE_RANGE:
+ resolved_type = resolve_dynamic_range (type);
+ break;
case TYPE_CODE_UNION:
resolved_type = resolve_dynamic_union (type, addr);
commit 5537b577695dd5cd72395590d7ebd7aa92ee856a
Author: Jan Kratochvil <jan.kratochvil@redhat.com>
Date: Sat Dec 13 15:31:59 2014 +0100
Fix 7.8 regression: resolve_dynamic_struct: Assertion `TYPE_NFIELDS (type) > 0' (PR 17642)
https://sourceware.org/bugzilla/show_bug.cgi?id=17642
Regression since:
commit 012370f6818657a816df1463ee71ca4e4ee40b33
Author: Tom Tromey <tromey@redhat.com>
Date: Thu May 8 11:26:44 2014 -0600
handle VLA in a struct or union
Bugreport:
Regression with gdb scripts for Linux kernel
https://sourceware.org/ml/gdb/2014-08/msg00127.html
That big change after "else" is just reindentation.
gdb/ChangeLog
2014-12-13 Jan Kratochvil <jan.kratochvil@redhat.com>
PR symtab/17642
* gdbtypes.c (resolve_dynamic_type_internal): Apply check_typedef to
TYPE if not TYPE_CODE_TYPEDEF.
gdb/testsuite/ChangeLog
2014-12-13 Jan Kratochvil <jan.kratochvil@redhat.com>
PR symtab/17642
* gdb.base/vla-stub-define.c: New file.
* gdb.base/vla-stub.c: New file.
* gdb.base/vla-stub.exp: New file.
### a/gdb/ChangeLog
### b/gdb/ChangeLog
## -1,3 +1,9 @@
+2014-12-13 Jan Kratochvil <jan.kratochvil@redhat.com>
+
+ PR symtab/17642
+ * gdbtypes.c (resolve_dynamic_type_internal): Apply check_typedef to
+ TYPE if not TYPE_CODE_TYPEDEF.
+
2014-12-12 Doug Evans <xdje42@gmail.com>
* valops.c (value_maybe_namespace_elt): Remove unnecessary test of
--- a/gdb/gdbtypes.c
+++ b/gdb/gdbtypes.c
@@ -1888,41 +1888,47 @@ resolve_dynamic_type_internal (struct type *type, CORE_ADDR addr,
if (!is_dynamic_type_internal (real_type, top_level))
return type;
- switch (TYPE_CODE (type))
+ if (TYPE_CODE (type) == TYPE_CODE_TYPEDEF)
{
- case TYPE_CODE_TYPEDEF:
resolved_type = copy_type (type);
TYPE_TARGET_TYPE (resolved_type)
= resolve_dynamic_type_internal (TYPE_TARGET_TYPE (type), addr,
top_level);
- break;
+ }
+ else
+ {
+ /* Before trying to resolve TYPE, make sure it is not a stub. */
+ type = real_type;
- case TYPE_CODE_REF:
- {
- CORE_ADDR target_addr = read_memory_typed_address (addr, type);
+ switch (TYPE_CODE (type))
+ {
+ case TYPE_CODE_REF:
+ {
+ CORE_ADDR target_addr = read_memory_typed_address (addr, type);
- resolved_type = copy_type (type);
- TYPE_TARGET_TYPE (resolved_type)
- = resolve_dynamic_type_internal (TYPE_TARGET_TYPE (type),
- target_addr, top_level);
- break;
- }
+ resolved_type = copy_type (type);
+ TYPE_TARGET_TYPE (resolved_type)
+ = resolve_dynamic_type_internal (TYPE_TARGET_TYPE (type),
+ target_addr, top_level);
+ break;
+ }
- case TYPE_CODE_ARRAY:
- resolved_type = resolve_dynamic_array (type);
- break;
+ case TYPE_CODE_ARRAY:
+ resolved_type = resolve_dynamic_array (type);
+ break;
- case TYPE_CODE_RANGE:
- resolved_type = resolve_dynamic_range (type);
- break;
+ case TYPE_CODE_RANGE:
+ resolved_type = resolve_dynamic_range (type);
+ break;
- case TYPE_CODE_UNION:
- resolved_type = resolve_dynamic_union (type, addr);
- break;
+ case TYPE_CODE_UNION:
+ resolved_type = resolve_dynamic_union (type, addr);
+ break;
- case TYPE_CODE_STRUCT:
- resolved_type = resolve_dynamic_struct (type, addr);
- break;
+ case TYPE_CODE_STRUCT:
+ resolved_type = resolve_dynamic_struct (type, addr);
+ break;
+ }
}
return resolved_type;
### a/gdb/testsuite/ChangeLog
### b/gdb/testsuite/ChangeLog
## -1,3 +1,10 @@
+2014-12-13 Jan Kratochvil <jan.kratochvil@redhat.com>
+
+ PR symtab/17642
+ * gdb.base/vla-stub-define.c: New file.
+ * gdb.base/vla-stub.c: New file.
+ * gdb.base/vla-stub.exp: New file.
+
2014-12-12 Phil Muldoon <pmuldoon@redhat.com>
Jan Kratochvil <jan.kratochvil@redhat.com>
Tom Tromey <tromey@redhat.com>
--- /dev/null
+++ b/gdb/testsuite/gdb.base/vla-stub-define.c
@@ -0,0 +1,21 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2014 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/>. */
+
+struct dynamic_struct
+{
+ int dynamic_field[0];
+} use_dynamic_struct;
--- /dev/null
+++ b/gdb/testsuite/gdb.base/vla-stub.c
@@ -0,0 +1,37 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2014 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/>. */
+
+struct dynamic_struct;
+typedef struct dynamic_struct dynamic_struct_t;
+
+struct static_struct
+{
+ int field;
+};
+typedef struct static_struct static_struct_t;
+
+struct local_struct
+{
+ static_struct_t here;
+ dynamic_struct_t *ptr;
+} local_struct;
+
+int
+main (void)
+{
+ return 0;
+}
--- /dev/null
+++ b/gdb/testsuite/gdb.base/vla-stub.exp
@@ -0,0 +1,25 @@
+# Copyright 2014 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/>.
+
+standard_testfile .c vla-stub-define.c
+if { [prepare_for_testing "failed to prepare for vla-stub.exp" \
+ ${testfile} [list ${srcfile} ${srcfile2}]] } {
+ return -1
+}
+
+gdb_test "p *local_struct.ptr" { = {dynamic_field = 0x0}}
+
+gdb_test "whatis local_struct.here" "type = static_struct_t"
+gdb_test "whatis *local_struct.ptr" "type = dynamic_struct_t"

9
gdb.spec
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@ -21,18 +21,18 @@ Name: %{?scl_prefix}gdb
%global snapsrc 20140611
# See timestamp of source gnulib installed into gdb/gnulib/ .
%global snapgnulib 20121213
%global tarname gdb-%{version}
%global tarname gdb-%{version}.20141228
Version: 7.8.1
# The release always contains a leading reserved number, start it at 1.
# `upstream' is not a part of `name' to stay fully rpm dependencies compatible for the testing.
Release: 35%{?dist}
Release: 36%{?dist}
License: GPLv3+ and GPLv3+ with exceptions and GPLv2+ and GPLv2+ with exceptions and GPL+ and LGPLv2+ and BSD and Public Domain and GFDL
Group: Development/Debuggers
# Do not provide URL for snapshots as the file lasts there only for 2 days.
# ftp://sourceware.org/pub/gdb/releases/gdb-%{version}.tar.xz
Source: ftp://sourceware.org/pub/gdb/releases/%{tarname}.tar.xz
Source: %{tarname}.tar.xz
Buildroot: %(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX)
URL: http://gnu.org/software/gdb/
@ -1334,6 +1334,9 @@ then
fi
%changelog
* Sun Dec 28 2014 Jan Kratochvil <jan.kratochvil@redhat.com> - 7.8.1-36.fc21
- Rebase to 7.8.1.20141228 for a performance fix (PR binutils/17677).
* Sat Dec 13 2014 Jan Kratochvil <jan.kratochvil@redhat.com> - 7.8.1-35.fc21
- Fix resolve_dynamic_struct: Assertion `TYPE_NFIELDS (type) > 0' (PR 17642).

2
sources
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@ -1,2 +1,2 @@
4981307aa9619bbec5b73261e4e41c8d gdb-libstdc++-v3-python-r155978.tar.bz2
8072be87a94be0936bc3b4b6941b0862 gdb-7.8.1.tar.xz
4c1769b40a602ce196f76323b2a95a9b gdb-7.8.1.20141228.tar.xz