gdb/gdb-bz606185-obstack-1of5.patch
2010-07-11 18:06:33 +00:00

215 lines
6.5 KiB
Diff

commit 78c144e8c3ae7bb36d632f6bfaaaad9c97199ce6
Author: cmoller <cmoller>
Date: Tue Apr 20 20:22:09 2010 +0000
PR 10867
* cp-valprint.c (global): Adding new static array recursion
detection obstack.
(cp_print_value_fields, cp_print_static_field): Added new static
array recursion detection code.
* gdb.cp/Makefile.in (EXECUTABLES): Added pr10687
* gdb.cp/pr10687.cc: New file.
* gdb.cp/pr10687.exp: New file
### a/gdb/ChangeLog
### b/gdb/ChangeLog
## -1,3 +1,12 @@
+2010-04-20 Chris Moller <cmoller@redhat.com>
+
+ PR 10867
+
+ * cp-valprint.c (global): Adding new static array recursion
+ detection obstack.
+ (cp_print_value_fields, cp_print_static_field): Added new static
+ array recursion detection code.
+
2010-04-20 Mark Kettenis <kettenis@gnu.org>
* i386-linux-tdep.c (i386_linux_regset_sections): Size of the
Index: gdb-7.1/gdb/cp-valprint.c
===================================================================
--- gdb-7.1.orig/gdb/cp-valprint.c 2010-02-08 19:04:16.000000000 +0100
+++ gdb-7.1/gdb/cp-valprint.c 2010-06-28 20:21:53.000000000 +0200
@@ -71,6 +71,7 @@ show_static_field_print (struct ui_file
static struct obstack dont_print_vb_obstack;
static struct obstack dont_print_statmem_obstack;
+static struct obstack dont_print_stat_array_obstack;
extern void _initialize_cp_valprint (void);
@@ -155,12 +156,17 @@ cp_print_value_fields (struct type *type
{
int i, len, n_baseclasses;
int fields_seen = 0;
+ static int last_set_recurse = -1;
CHECK_TYPEDEF (type);
- if (recurse == 0
- && obstack_object_size (&dont_print_statmem_obstack) > 0)
- obstack_free (&dont_print_statmem_obstack, NULL);
+ if (recurse == 0)
+ {
+ if (obstack_object_size (&dont_print_statmem_obstack) > 0)
+ obstack_free (&dont_print_statmem_obstack, NULL);
+ if (obstack_object_size (&dont_print_stat_array_obstack) > 0)
+ obstack_free (&dont_print_stat_array_obstack, NULL);
+ }
fprintf_filtered (stream, "{");
len = TYPE_NFIELDS (type);
@@ -181,12 +187,20 @@ cp_print_value_fields (struct type *type
else
{
void *statmem_obstack_top = NULL;
+ void *stat_array_obstack_top = NULL;
if (dont_print_statmem == 0)
{
/* Set the current printed-statics stack top. */
statmem_obstack_top
= obstack_next_free (&dont_print_statmem_obstack);
+
+ if (last_set_recurse != recurse)
+ {
+ stat_array_obstack_top
+ = obstack_next_free (&dont_print_stat_array_obstack);
+ last_set_recurse = recurse;
+ }
}
for (i = n_baseclasses; i < len; i++)
@@ -307,9 +321,16 @@ cp_print_value_fields (struct type *type
if (dont_print_statmem == 0)
{
- /* In effect, a pop of the printed-statics stack. */
if (obstack_object_size (&dont_print_statmem_obstack) > 0)
obstack_free (&dont_print_statmem_obstack, statmem_obstack_top);
+
+ if (last_set_recurse != recurse)
+ {
+ if (obstack_object_size (&dont_print_stat_array_obstack) > 0)
+ obstack_free (&dont_print_stat_array_obstack,
+ stat_array_obstack_top);
+ last_set_recurse = -1;
+ }
}
if (options->pretty)
@@ -508,6 +529,7 @@ cp_print_static_field (struct type *type
const struct value_print_options *options)
{
struct value_print_options opts;
+
if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
{
CORE_ADDR *first_dont_print;
@@ -542,6 +564,32 @@ cp_print_static_field (struct type *type
return;
}
+ if (TYPE_CODE (type) == TYPE_CODE_ARRAY)
+ {
+ struct type **first_dont_print;
+ int i;
+ struct type *target_type = TYPE_TARGET_TYPE (type);
+
+ first_dont_print
+ = (struct type **) obstack_base (&dont_print_stat_array_obstack);
+ i = obstack_object_size (&dont_print_stat_array_obstack)
+ / sizeof (CORE_ADDR);
+
+ while (--i >= 0)
+ {
+ if (target_type == first_dont_print[i])
+ {
+ fputs_filtered ("<same as static member of an already"
+ " seen type>",
+ stream);
+ return;
+ }
+ }
+
+ obstack_grow (&dont_print_stat_array_obstack, (char *) &target_type,
+ sizeof (struct type *));
+ }
+
opts = *options;
opts.deref_ref = 0;
val_print (type, value_contents_all (val),
@@ -672,6 +720,7 @@ Show printing of object's derived type b
show_objectprint,
&setprintlist, &showprintlist);
+ obstack_begin (&dont_print_stat_array_obstack, 32 * sizeof (CORE_ADDR));
obstack_begin (&dont_print_statmem_obstack, 32 * sizeof (CORE_ADDR));
obstack_begin (&dont_print_vb_obstack, 32 * sizeof (struct type *));
}
Index: gdb-7.1/gdb/testsuite/gdb.cp/pr10687.cc
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-7.1/gdb/testsuite/gdb.cp/pr10687.cc 2010-06-28 20:21:53.000000000 +0200
@@ -0,0 +1,24 @@
+class vec2
+{
+ public:
+ vec2() { _v[0] = _v[1] = 0; }
+ vec2(int x, int y) { _v[0] = x; _v[1] = y; }
+ static vec2 axis[2];
+ static vec2 axis6[6];
+ private:
+ int _v[2];
+};
+
+vec2 vec2::axis[2] = { vec2(1,0), vec2(0,1) };
+vec2 vec2::axis6[6] = {
+ vec2(1,0), vec2(0,1),
+ vec2(2,0), vec2(0,2),
+ vec2(3,0), vec2(0,3)
+};
+
+int main(int argc, char*argv[])
+{
+ vec2 a;
+
+ return 0; // marker
+}
Index: gdb-7.1/gdb/testsuite/gdb.cp/pr10687.exp
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-7.1/gdb/testsuite/gdb.cp/pr10687.exp 2010-06-28 20:21:53.000000000 +0200
@@ -0,0 +1,31 @@
+#Copyright 2010 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/>.
+
+set testfile pr10687
+set srcfile ${testfile}.cc
+if [prepare_for_testing $testfile.exp $testfile $srcfile {debug c++}] {
+ return -1
+}
+
+if ![runto_main] then {
+ fail "Can't run to main"
+ return
+}
+
+gdb_breakpoint [gdb_get_line_number "marker"]
+gdb_continue_to_breakpoint "marker"
+
+gdb_test "p a" "{static axis = {{static axis = <same as static member of an already.*"
+