From FEDORA_PATCHES Mon Sep 17 00:00:00 2001

From: Fedora GDB patches <invalid@email.com>

Date: Fri, 27 Oct 2017 21:07:50 +0200

Subject: gdb-6.8-bz466901-backtrace-full-prelinked.patch

;; Fix resolving of variables at locations lists in prelinked libs (BZ 466901).

;;=fedoratest

Fix resolving of variables at locations lists in prelinked libs (BZ 466901).

diff --git a/gdb/testsuite/gdb.dwarf2/dw2-loclist-prelinked-func.S b/gdb/testsuite/gdb.dwarf2/dw2-loclist-prelinked-func.S

new file mode 100644

--- /dev/null

+++ b/gdb/testsuite/gdb.dwarf2/dw2-loclist-prelinked-func.S

@@ -0,0 +1,328 @@

+/* This testcase is part of GDB, the GNU debugger.

+

+   Copyright 2008 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/>.  */

+

+/*

+#include <stdlib.h>

+

+void

+func (void)

+{

+  int i;

+

+  abort ();

+}

+*/

+	.file	"dw2-loclist-prelinked.c"

+	.section	.debug_abbrev,"",@progbits

+.Ldebug_abbrev0:

+	.section	.debug_info,"",@progbits

+.Ldebug_info0:

+	.section	.debug_line,"",@progbits

+.Ldebug_line0:

+	.text

+.Ltext0:

+.globl func

+	.type	func, @function

+func:

+.LFB2:

+	.file 1 "dw2-loclist-prelinked.c"

+	.loc 1 5 0

+	pushl	%ebp

+.LCFI0:

+	movl	%esp, %ebp

+.LCFI1:

+	subl	$24, %esp

+.LCFI2:

+	.loc 1 8 0

+	call	abort

+.LFE2:

+	.size	func, .-func

+	.section	.debug_frame,"",@progbits

+.Lframe0:

+	.long	.LECIE0-.LSCIE0

+.LSCIE0:

+	.long	0xffffffff

+	.byte	0x1

+	.string	""

+	.uleb128 0x1

+	.sleb128 -4

+	.byte	0x8

+	.byte	0xc

+	.uleb128 0x4

+	.uleb128 0x4

+	.byte	0x88

+	.uleb128 0x1

+	.align 4

+.LECIE0:

+.LSFDE0:

+	.long	.LEFDE0-.LASFDE0

+.LASFDE0:

+	.long	.Lframe0

+	.long	.LFB2

+	.long	.LFE2-.LFB2

+	.byte	0x4

+	.long	.LCFI0-.LFB2

+	.byte	0xe

+	.uleb128 0x8

+	.byte	0x85

+	.uleb128 0x2

+	.byte	0x4

+	.long	.LCFI1-.LCFI0

+	.byte	0xd

+	.uleb128 0x5

+	.align 4

+.LEFDE0:

+	.text

+.Letext0:

+	.section	.debug_loc,"",@progbits

+.Ldebug_loc0:

+.LLST0:

+	.long	.LFB2-.Ltext0

+	.long	.LCFI0-.Ltext0

+	.value	0x2

+	.byte	0x74

+	.sleb128 4

+	.long	.LCFI0-.Ltext0

+	.long	.LCFI1-.Ltext0

+	.value	0x2

+	.byte	0x74

+	.sleb128 8

+	.long	.LCFI1-.Ltext0

+	.long	.LFE2-.Ltext0

+	.value	0x2

+	.byte	0x75

+	.sleb128 8

+	.long	0x0

+	.long	0x0

+	.section	.debug_info

+	.long	0x94

+	.value	0x2

+	.long	.Ldebug_abbrev0

+	.byte	0x4

+	.uleb128 0x1

+	.long	.LASF10

+	.byte	0x1

+	.long	.LASF11

+	.long	.LASF12

+	.long	.Ltext0

+	.long	.Letext0

+	.long	.Ldebug_line0

+	.uleb128 0x2

+	.byte	0x4

+	.byte	0x7

+	.long	.LASF0

+	.uleb128 0x3

+	.byte	0x4

+	.byte	0x5

+	.string	"int"

+	.uleb128 0x2

+	.byte	0x4

+	.byte	0x5

+	.long	.LASF1

+	.uleb128 0x2

+	.byte	0x1

+	.byte	0x8

+	.long	.LASF2

+	.uleb128 0x2

+	.byte	0x2

+	.byte	0x7

+	.long	.LASF3

+	.uleb128 0x2

+	.byte	0x4

+	.byte	0x7

+	.long	.LASF4

+	.uleb128 0x2

+	.byte	0x1

+	.byte	0x6

+	.long	.LASF5

+	.uleb128 0x2

+	.byte	0x2

+	.byte	0x5

+	.long	.LASF6

+	.uleb128 0x2

+	.byte	0x8

+	.byte	0x5

+	.long	.LASF7

+	.uleb128 0x2

+	.byte	0x8

+	.byte	0x7

+	.long	.LASF8

+	.uleb128 0x4

+	.byte	0x4

+	.byte	0x7

+	.uleb128 0x2

+	.byte	0x1

+	.byte	0x6

+	.long	.LASF9

+	.uleb128 0x5

+	.byte	0x1

+	.long	.LASF13

+	.byte	0x1

+	.byte	0x5

+	.byte	0x1

+	.long	.LFB2

+	.long	.LFE2

+	.long	.LLST0

+	.uleb128 0x6

+	.string	"i"

+	.byte	0x1

+	.byte	0x6

+	.long	0x2c

+	.byte	0x2

+	.byte	0x91

+	.sleb128 -12

+	.byte	0x0

+	.byte	0x0

+	.section	.debug_abbrev

+	.uleb128 0x1

+	.uleb128 0x11

+	.byte	0x1

+	.uleb128 0x25

+	.uleb128 0xe

+	.uleb128 0x13

+	.uleb128 0xb

+	.uleb128 0x3

+	.uleb128 0xe

+	.uleb128 0x1b

+	.uleb128 0xe

+	.uleb128 0x11

+	.uleb128 0x1

+	.uleb128 0x12

+	.uleb128 0x1

+	.uleb128 0x10

+	.uleb128 0x6

+	.byte	0x0

+	.byte	0x0

+	.uleb128 0x2

+	.uleb128 0x24

+	.byte	0x0

+	.uleb128 0xb

+	.uleb128 0xb

+	.uleb128 0x3e

+	.uleb128 0xb

+	.uleb128 0x3

+	.uleb128 0xe

+	.byte	0x0

+	.byte	0x0

+	.uleb128 0x3

+	.uleb128 0x24

+	.byte	0x0

+	.uleb128 0xb

+	.uleb128 0xb

+	.uleb128 0x3e

+	.uleb128 0xb

+	.uleb128 0x3

+	.uleb128 0x8

+	.byte	0x0

+	.byte	0x0

+	.uleb128 0x4

+	.uleb128 0x24

+	.byte	0x0

+	.uleb128 0xb

+	.uleb128 0xb

+	.uleb128 0x3e

+	.uleb128 0xb

+	.byte	0x0

+	.byte	0x0

+	.uleb128 0x5

+	.uleb128 0x2e

+	.byte	0x1

+	.uleb128 0x3f

+	.uleb128 0xc

+	.uleb128 0x3

+	.uleb128 0xe

+	.uleb128 0x3a

+	.uleb128 0xb

+	.uleb128 0x3b

+	.uleb128 0xb

+	.uleb128 0x27

+	.uleb128 0xc

+	.uleb128 0x11

+	.uleb128 0x1

+	.uleb128 0x12

+	.uleb128 0x1

+	.uleb128 0x40

+	.uleb128 0x6

+	.byte	0x0

+	.byte	0x0

+	.uleb128 0x6

+	.uleb128 0x34

+	.byte	0x0

+	.uleb128 0x3

+	.uleb128 0x8

+	.uleb128 0x3a

+	.uleb128 0xb

+	.uleb128 0x3b

+	.uleb128 0xb

+	.uleb128 0x49

+	.uleb128 0x13

+	.uleb128 0x2

+	.uleb128 0xa

+	.byte	0x0

+	.byte	0x0

+	.byte	0x0

+	.section	.debug_pubnames,"",@progbits

+	.long	0x17

+	.value	0x2

+	.long	.Ldebug_info0

+	.long	0x98

+	.long	0x75

+	.string	"func"

+	.long	0x0

+	.section	.debug_aranges,"",@progbits

+	.long	0x1c

+	.value	0x2

+	.long	.Ldebug_info0

+	.byte	0x4

+	.byte	0x0

+	.value	0x0

+	.value	0x0

+	.long	.Ltext0

+	.long	.Letext0-.Ltext0

+	.long	0x0

+	.long	0x0

+	.section	.debug_str,"MS",@progbits,1

+.LASF7:

+	.string	"long long int"

+.LASF0:

+	.string	"unsigned int"

+.LASF11:

+	.string	"dw2-loclist-prelinked.c"

+.LASF12:

+	.string	"gdb-6.8/gdb/testsuite/gdb.dwarf2"

+.LASF4:

+	.string	"long unsigned int"

+.LASF8:

+	.string	"long long unsigned int"

+.LASF2:

+	.string	"unsigned char"

+.LASF9:

+	.string	"char"

+.LASF1:

+	.string	"long int"

+.LASF3:

+	.string	"short unsigned int"

+.LASF5:

+	.string	"signed char"

+.LASF10:

+	.string	"GNU C 4.3.2 20081007 (Red Hat 4.3.2-6)"

+.LASF13:

+	.string	"func"

+.LASF6:

+	.string	"short int"

+	.ident	"GCC: (GNU) 4.3.2 20081007 (Red Hat 4.3.2-6)"

+	.section	.note.GNU-stack,"",@progbits

diff --git a/gdb/testsuite/gdb.dwarf2/dw2-loclist-prelinked-main.c b/gdb/testsuite/gdb.dwarf2/dw2-loclist-prelinked-main.c

new file mode 100644

--- /dev/null

+++ b/gdb/testsuite/gdb.dwarf2/dw2-loclist-prelinked-main.c

@@ -0,0 +1,26 @@

+/* This testcase is part of GDB, the GNU debugger.

+

+   Copyright 2008 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/>.  */

+

+/* dw2-loclist-prelinked-func.S */

+extern void func (void);

+

+int

+main (void)

+{

+  func ();

+  return 0;

+}

diff --git a/gdb/testsuite/gdb.dwarf2/dw2-loclist-prelinked.exp b/gdb/testsuite/gdb.dwarf2/dw2-loclist-prelinked.exp

new file mode 100644

--- /dev/null

+++ b/gdb/testsuite/gdb.dwarf2/dw2-loclist-prelinked.exp

@@ -0,0 +1,102 @@

+# Copyright 2008 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 2 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, write to the Free Software

+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

+

+# Minimal DWARF-2 unit test

+

+# This test can only be run on i386/x86_64 targets which support DWARF-2.

+# For now pick a sampling of likely targets.

+if {(![istarget *-*-linux*]

+     && ![istarget *-*-gnu*]

+     && ![istarget *-*-elf*]

+     && ![istarget *-*-openbsd*])

+    || (![istarget "i?86-*-*"] && ![istarget "x86_64-*-*"])} {

+    return 0

+}

+

+set testfile "dw2-loclist-prelinked"

+set srcfuncfile ${testfile}-func.S

+set binsharedfuncfile [standard_output_file ${testfile}.so]

+set srcmainfile ${testfile}-main.c

+set binfile [standard_output_file ${testfile}]

+

+remote_exec build "rm -f ${binfile}"

+

+# get the value of gcc_compiled

+if [get_compiler_info ${binfile}] {

+    return -1

+}

+

+# This test can only be run on gcc as we use additional_flags=FIXME

+if {$gcc_compiled == 0} {

+    return 0

+}

+

+if  { [gdb_compile_shlib "${srcdir}/${subdir}/${srcfuncfile}" "${binsharedfuncfile}" {debug additional_flags=-m32}] != "" } {

+    untested "Couldn't compile test library"

+    return -1

+}

+

+# The new separate debug info file will be stored in the .debug subdirectory.

+

+if [gdb_gnu_strip_debug ${binsharedfuncfile}] {

+    # check that you have a recent version of strip and objcopy installed

+    unsupported "cannot produce separate debug info files"

+    return -1

+}

+

+if {[catch "system \"/usr/sbin/prelink -qNR --no-exec-shield ${binsharedfuncfile}\""] != 0} {

+    # Maybe we don't have prelink.

+    return -1

+}

+

+if  { [gdb_compile "${srcdir}/${subdir}/${srcmainfile}" \

+		   "${binfile}" executable [list debug additional_flags=-m32 shlib=${binsharedfuncfile}]] != "" } {

+    return -1

+}

+

+gdb_exit

+gdb_start

+gdb_reinitialize_dir $srcdir/$subdir

+gdb_load ${binfile}

+

+gdb_run_cmd

+

+gdb_test "" "Program received signal SIGABRT, Aborted..*" "Enter abort()"

+

+# Incorrect:

+# #0  0x00110430 in __kernel_vsyscall ()

+# No symbol table info available.

+# #1  0x003d44c0 in raise () from /lib/libc.so.6

+# No symbol table info available.

+# #2  0x003d5e88 in abort () from /lib/libc.so.6

+# No symbol table info available.

+# #3  0x44f10437 in func () at dw2-loclist-prelinked.c:8

+# 	i = Could not find the frame base for "func".

+

+# Correct:

+# #0  0x00110430 in __kernel_vsyscall ()

+# No symbol table info available.

+# #1  0x003d44c0 in raise () from /lib/libc.so.6

+# No symbol table info available.

+# #2  0x003d5e88 in abort () from /lib/libc.so.6

+# No symbol table info available.

+# #3  0x4ae36437 in func () at dw2-loclist-prelinked.c:8

+# 	i = 3827288

+# #4  0x0804851a in main () at ../../../gdb/testsuite/gdb.dwarf2/dw2-loclist-prelinked-main.c:24

+# No locals.

+

+# `abort' can get expressed as `*__GI_abort'.

+gdb_test "bt full" "in \[^ \]*abort \\(.*in func \\(.*\r\n\[\t \]+i = -?\[0-9\].*in main \\(.*" "Backtrace after abort()"