You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
151 lines
5.3 KiB
151 lines
5.3 KiB
New testcase for: |
|
https://bugzilla.redhat.com/show_bug.cgi?id=466222 |
|
(for the first / customer recommended fix) |
|
and the upstream fix: |
|
http://sourceware.org/ml/gdb-patches/2006-11/msg00253.html |
|
[rfc] Do not make up line information |
|
http://sourceware.org/ml/gdb-cvs/2006-11/msg00127.html |
|
|
|
--- /dev/null |
|
+++ b/gdb/testsuite/gdb.base/lineno-makeup-func.c |
|
@@ -0,0 +1,21 @@ |
|
+/* This testcase is part of GDB, the GNU debugger. |
|
+ |
|
+ Copyright 2009 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/>. */ |
|
+ |
|
+void |
|
+func (void) |
|
+{ |
|
+} |
|
--- /dev/null |
|
+++ b/gdb/testsuite/gdb.base/lineno-makeup.c |
|
@@ -0,0 +1,35 @@ |
|
+/* This testcase is part of GDB, the GNU debugger. |
|
+ |
|
+ Copyright 2009 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/>. */ |
|
+ |
|
+/* DW_AT_low_pc-DW_AT_high_pc should cover the function without line number |
|
+ information (.debug_line) so we cannot use an external object file. |
|
+ |
|
+ It must not be just a label as it would alias on the next function even for |
|
+ correct GDB. Therefore some stub data must be placed there. |
|
+ |
|
+ We need to provide a real stub function body as at least s390 |
|
+ (s390_analyze_prologue) would skip the whole body till reaching `main'. */ |
|
+ |
|
+extern void func (void); |
|
+asm ("func: .incbin \"gdb.base/lineno-makeup-func.bin\""); |
|
+ |
|
+int |
|
+main (void) |
|
+{ |
|
+ func (); |
|
+ return 0; |
|
+} |
|
--- /dev/null |
|
+++ b/gdb/testsuite/gdb.base/lineno-makeup.exp |
|
@@ -0,0 +1,78 @@ |
|
+# Copyright 2009 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 "lineno-makeup" |
|
+set srcfuncfile ${testfile}-func.c |
|
+set srcfile ${testfile}.c |
|
+set objfuncfile ${objdir}/${subdir}/${testfile}-func.o |
|
+set binfuncfile ${objdir}/${subdir}/${testfile}-func.bin |
|
+set binfile ${objdir}/${subdir}/${testfile} |
|
+ |
|
+if { [gdb_compile "${srcdir}/${subdir}/${srcfuncfile}" "${objfuncfile}" object {}] != "" } { |
|
+ gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
|
+} |
|
+ |
|
+set objcopy [catch "exec objcopy -O binary --only-section .text ${objfuncfile} ${binfuncfile}" output] |
|
+verbose -log "objcopy=$objcopy: $output" |
|
+if { $objcopy != 0 } { |
|
+ gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
|
+} |
|
+set binfuncfilesize [file size $binfuncfile] |
|
+verbose -log "file size $binfuncfile = $binfuncfilesize" |
|
+ |
|
+if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { |
|
+ gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
|
+} |
|
+ |
|
+gdb_exit |
|
+gdb_start |
|
+gdb_reinitialize_dir $srcdir/$subdir |
|
+gdb_load ${binfile} |
|
+ |
|
+set b_addr "" |
|
+set test "break func" |
|
+gdb_test_multiple $test $test { |
|
+ -re "Breakpoint \[0-9\]+ at (0x\[0-9a-f\]+)\r\n$gdb_prompt $" { |
|
+ set b_addr $expect_out(1,string) |
|
+ pass $test |
|
+ } |
|
+ -re "Breakpoint \[0-9\]+ at (0x\[0-9a-f\]+): .*\r\n$gdb_prompt $" { |
|
+ set b_addr $expect_out(1,string) |
|
+ fail $test |
|
+ } |
|
+} |
|
+verbose -log "b_addr=<$b_addr>" |
|
+ |
|
+set p_addr "" |
|
+set test "print func" |
|
+gdb_test_multiple $test $test { |
|
+ -re "\\$\[0-9\]+ = {<text variable, no debug info>} (0x\[0-9a-f\]+) <func>\r\n$gdb_prompt $" { |
|
+ set p_addr $expect_out(1,string) |
|
+ pass $test |
|
+ } |
|
+} |
|
+verbose -log "p_addr=<$p_addr>" |
|
+ |
|
+set test "break address belongs to func" |
|
+if {$b_addr == $p_addr} { |
|
+ pass "$test (exact match)" |
|
+} else { |
|
+ set skip [expr $b_addr - $p_addr] |
|
+ if {$skip > 0 && $skip < $binfuncfilesize} { |
|
+ pass "$test (prologue skip by $skip bytes)" |
|
+ } else { |
|
+ fail $test |
|
+ } |
|
+}
|
|
|