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From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
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From: Fedora GDB patches <invalid@email.com>
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Date: Fri, 27 Oct 2017 21:07:50 +0200
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Subject: gdb-lineno-makeup-test.patch
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;; Testcase for "Do not make up line information" fix by Daniel Jacobowitz.
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;;=fedoratest
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New testcase for:
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https://bugzilla.redhat.com/show_bug.cgi?id=466222
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(for the first / customer recommended fix)
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and the upstream fix:
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http://sourceware.org/ml/gdb-patches/2006-11/msg00253.html
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[rfc] Do not make up line information
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http://sourceware.org/ml/gdb-cvs/2006-11/msg00127.html
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diff --git a/gdb/testsuite/gdb.base/lineno-makeup-func.c b/gdb/testsuite/gdb.base/lineno-makeup-func.c
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new file mode 100644
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--- /dev/null
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+++ b/gdb/testsuite/gdb.base/lineno-makeup-func.c
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@@ -0,0 +1,21 @@
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+/* This testcase is part of GDB, the GNU debugger.
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+
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+ Copyright 2009 Free Software Foundation, Inc.
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+
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+ This program is free software; you can redistribute it and/or modify
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+ it under the terms of the GNU General Public License as published by
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+ the Free Software Foundation; either version 3 of the License, or
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+ (at your option) any later version.
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+
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+ This program is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ GNU General Public License for more details.
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+
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+ You should have received a copy of the GNU General Public License
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+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
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+
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+void
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+func (void)
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+{
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+}
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diff --git a/gdb/testsuite/gdb.base/lineno-makeup.c b/gdb/testsuite/gdb.base/lineno-makeup.c
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new file mode 100644
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--- /dev/null
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+++ b/gdb/testsuite/gdb.base/lineno-makeup.c
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@@ -0,0 +1,35 @@
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+/* This testcase is part of GDB, the GNU debugger.
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+
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+ Copyright 2009 Free Software Foundation, Inc.
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+
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+ This program is free software; you can redistribute it and/or modify
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+ it under the terms of the GNU General Public License as published by
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+ the Free Software Foundation; either version 3 of the License, or
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+ (at your option) any later version.
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+
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+ This program is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ GNU General Public License for more details.
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+
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+ You should have received a copy of the GNU General Public License
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+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
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+
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+/* DW_AT_low_pc-DW_AT_high_pc should cover the function without line number
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+ information (.debug_line) so we cannot use an external object file.
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+
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+ It must not be just a label as it would alias on the next function even for
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+ correct GDB. Therefore some stub data must be placed there.
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+
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+ We need to provide a real stub function body as at least s390
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+ (s390_analyze_prologue) would skip the whole body till reaching `main'. */
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+
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+extern void func (void);
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+asm ("func: .incbin \"" BINFILENAME "\"");
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+
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+int
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+main (void)
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+{
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+ func ();
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+ return 0;
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+}
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diff --git a/gdb/testsuite/gdb.base/lineno-makeup.exp b/gdb/testsuite/gdb.base/lineno-makeup.exp
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new file mode 100644
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--- /dev/null
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+++ b/gdb/testsuite/gdb.base/lineno-makeup.exp
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@@ -0,0 +1,78 @@
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+# Copyright 2009 Free Software Foundation, Inc.
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+
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+# This program is free software; you can redistribute it and/or modify
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+# it under the terms of the GNU General Public License as published by
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+# the Free Software Foundation; either version 3 of the License, or
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+# (at your option) any later version.
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+#
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+# This program is distributed in the hope that it will be useful,
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+# but WITHOUT ANY WARRANTY; without even the implied warranty of
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+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+# GNU General Public License for more details.
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+#
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+# You should have received a copy of the GNU General Public License
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+# along with this program. If not, see <http://www.gnu.org/licenses/>.
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+
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+set testfile "lineno-makeup"
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+set srcfuncfile ${testfile}-func.c
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+set srcfile ${testfile}.c
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+set objfuncfile [standard_output_file ${testfile}-func.o]
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+set binfuncfile [standard_output_file ${testfile}-func.bin]
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+set binfile [standard_output_file ${testfile}]
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+
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+if { [gdb_compile "${srcdir}/${subdir}/${srcfuncfile}" "${objfuncfile}" object {}] != "" } {
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+ gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
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+}
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+
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+set objcopy [catch "exec objcopy -O binary --only-section .text ${objfuncfile} ${binfuncfile}" output]
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+verbose -log "objcopy=$objcopy: $output"
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+if { $objcopy != 0 } {
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+ gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
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+}
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+set binfuncfilesize [file size $binfuncfile]
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+verbose -log "file size $binfuncfile = $binfuncfilesize"
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+
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+if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug additional_flags=-DBINFILENAME=\"$binfuncfile\"]] != "" } {
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+ gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
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+}
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+
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+gdb_exit
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+gdb_start
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+gdb_reinitialize_dir $srcdir/$subdir
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+gdb_load ${binfile}
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+
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+set b_addr ""
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+set test "break func"
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+gdb_test_multiple $test $test {
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+ -re "Breakpoint \[0-9\]+ at (0x\[0-9a-f\]+)\r\n$gdb_prompt $" {
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+ set b_addr $expect_out(1,string)
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+ pass $test
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+ }
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+ -re "Breakpoint \[0-9\]+ at (0x\[0-9a-f\]+): .*\r\n$gdb_prompt $" {
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+ set b_addr $expect_out(1,string)
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+ fail $test
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+ }
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+}
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+verbose -log "b_addr=<$b_addr>"
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+
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+set p_addr ""
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+set test "print func"
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+gdb_test_multiple $test $test {
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+ -re "\\$\[0-9\]+ = {<text variable, no debug info>} (0x\[0-9a-f\]+) <func>\r\n$gdb_prompt $" {
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+ set p_addr $expect_out(1,string)
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+ pass $test
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+ }
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+}
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+verbose -log "p_addr=<$p_addr>"
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+
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+set test "break address belongs to func"
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+if {$b_addr == $p_addr} {
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+ pass "$test (exact match)"
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+} else {
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+ set skip [expr $b_addr - $p_addr]
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+ if {$skip > 0 && $skip < $binfuncfilesize} {
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+ pass "$test (prologue skip by $skip bytes)"
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+ } else {
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+ fail $test
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+ }
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+}
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