Fix resolving of variables at locations lists in prelinked libs (BZ 466901).
Index: gdb-6.8.50.20090909/gdb/testsuite/gdb.dwarf2/dw2-loclist-prelinked.exp
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-6.8.50.20090909/gdb/testsuite/gdb.dwarf2/dw2-loclist-prelinked.exp 2009-09-09 20:10:35.000000000 +0200
@@ -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()"
Index: gdb-6.8.50.20090909/gdb/testsuite/gdb.dwarf2/dw2-loclist-prelinked-main.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-6.8.50.20090909/gdb/testsuite/gdb.dwarf2/dw2-loclist-prelinked-main.c 2009-09-09 20:10:35.000000000 +0200
@@ -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 . */
+
+/* dw2-loclist-prelinked-func.S */
+extern void func (void);
+
+int
+main (void)
+{
+ func ();
+ return 0;
+}
Index: gdb-6.8.50.20090909/gdb/testsuite/gdb.dwarf2/dw2-loclist-prelinked-func.S
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-6.8.50.20090909/gdb/testsuite/gdb.dwarf2/dw2-loclist-prelinked-func.S 2009-09-09 20:10:35.000000000 +0200
@@ -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 . */
+
+/*
+#include
+
+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