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authorJan Kratochvil <jan.kratochvil@redhat.com>2012-08-27 16:55:39 +0000
committerJan Kratochvil <jan.kratochvil@redhat.com>2012-08-27 16:55:39 +0000
commit1c8cdcb14fe619a64accf1cc11d5d7009d76c748 (patch)
treebcb0239e74df36cba0c7f9f7a51874d565796709 /gdb
parente96877996081948d7f0f9ee2152b2e409781def3 (diff)
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* breakpoint.c (parse_breakpoint_sals) <(*address) == NULL>: New variable pc. Call find_pc_line instead of find_pc_overlay, restore original PC for it. gdb/testsuite/ * gdb.base/break-caller-line.c: New file. * gdb.base/break-caller-line.exp: New file.
Diffstat (limited to 'gdb')
-rw-r--r--gdb/ChangeLog6
-rw-r--r--gdb/breakpoint.c10
-rw-r--r--gdb/testsuite/ChangeLog5
-rw-r--r--gdb/testsuite/gdb.base/break-caller-line.c31
-rw-r--r--gdb/testsuite/gdb.base/break-caller-line.exp55
5 files changed, 105 insertions, 2 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 1b478ea..e20414b 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2012-08-27 Jan Kratochvil <jan.kratochvil@redhat.com>
+
+ * breakpoint.c (parse_breakpoint_sals) <(*address) == NULL>: New
+ variable pc. Call find_pc_line instead of find_pc_overlay, restore
+ original PC for it.
+
2012-08-27 Eli Zaretskii <eliz@gnu.org>
Jan Kratochvil <jan.kratochvil@redhat.com>
diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
index b2a00be..b074ecc 100644
--- a/gdb/breakpoint.c
+++ b/gdb/breakpoint.c
@@ -9126,21 +9126,27 @@ parse_breakpoint_sals (char **address,
{
struct linespec_sals lsal;
struct symtab_and_line sal;
+ CORE_ADDR pc;
init_sal (&sal); /* Initialize to zeroes. */
lsal.sals.sals = (struct symtab_and_line *)
xmalloc (sizeof (struct symtab_and_line));
/* Set sal's pspace, pc, symtab, and line to the values
- corresponding to the last call to print_frame_info. */
+ corresponding to the last call to print_frame_info.
+ Be sure to reinitialize LINE with NOTCURRENT == 0
+ as the breakpoint line number is inappropriate otherwise.
+ find_pc_line would adjust PC, re-set it back. */
get_last_displayed_sal (&sal);
- sal.section = find_pc_overlay (sal.pc);
+ pc = sal.pc;
+ sal = find_pc_line (pc, 0);
/* "break" without arguments is equivalent to "break *PC"
where PC is the last displayed codepoint's address. So
make sure to set sal.explicit_pc to prevent GDB from
trying to expand the list of sals to include all other
instances with the same symtab and line. */
+ sal.pc = pc;
sal.explicit_pc = 1;
lsal.sals.sals[0] = sal;
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 13937de..0a3d01a 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,5 +1,10 @@
2012-08-27 Jan Kratochvil <jan.kratochvil@redhat.com>
+ * gdb.base/break-caller-line.c: New file.
+ * gdb.base/break-caller-line.exp: New file.
+
+2012-08-27 Jan Kratochvil <jan.kratochvil@redhat.com>
+
* gdb.ada/rdv_wait.exp (set debug-file-directory): New command.
* gdb.arch/i386-cfi-notcurrent.S: New file.
* gdb.arch/i386-cfi-notcurrent.exp: New file.
diff --git a/gdb/testsuite/gdb.base/break-caller-line.c b/gdb/testsuite/gdb.base/break-caller-line.c
new file mode 100644
index 0000000..59d15ee
--- /dev/null
+++ b/gdb/testsuite/gdb.base/break-caller-line.c
@@ -0,0 +1,31 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2012 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/>. */
+
+static int v;
+
+static void
+callee (void)
+{
+ v++;
+}
+
+int
+main (void)
+{
+ callee ();
+ return 0;
+}
diff --git a/gdb/testsuite/gdb.base/break-caller-line.exp b/gdb/testsuite/gdb.base/break-caller-line.exp
new file mode 100644
index 0000000..45abe476
--- /dev/null
+++ b/gdb/testsuite/gdb.base/break-caller-line.exp
@@ -0,0 +1,55 @@
+# Copyright (C) 2012 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
+
+if { [prepare_for_testing ${testfile}.exp ${testfile}] } {
+ return -1
+}
+
+if ![runto callee] {
+ return 0
+}
+
+set test "up"
+gdb_test_multiple $test $test {
+ -re "\r\n(\[0-9\]+)\[ \t\]+callee \\(\\);\r\n$gdb_prompt $" {
+ set notcurrent $expect_out(1,string)
+ pass $test
+ }
+}
+
+set test {info line *$pc}
+gdb_test_multiple $test $test {
+ -re "\r\nLine (\[0-9\]+) of .*\r\n$gdb_prompt $" {
+ set current $expect_out(1,string)
+ pass $test
+ }
+}
+
+if {$notcurrent == $current} {
+ untested "target arch has an instruction after call as part of the caller line"
+ return 0
+}
+
+set test "break"
+gdb_test_multiple $test $test {
+ -re "\r\nBreakpoint \[0-9\]+ at .*, line $current\\.\r\n$gdb_prompt $" {
+ pass $test
+ }
+ -re "\r\nBreakpoint \[0-9\]+ at .*, line $notcurrent\\.\r\n$gdb_prompt $" {
+ fail "$test (caller line)"
+ }
+}