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authorDoug Evans <dje@google.com>2013-01-28 18:02:48 +0000
committerDoug Evans <dje@google.com>2013-01-28 18:02:48 +0000
commitbed911e5410fd997b9b8ad9ec25a942dd5bba7bc (patch)
tree77fc9a5f03a8be6f45abc99de3aba17bc4902107 /gdb/testsuite
parentaa1707204662f78a2ef55e65430bc3b3a239e2b1 (diff)
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* dwarf2loc.c (dwarf2_find_location_expression): Don't add base address
to addresses from dwo files. testsuite/ * gdb.dwarf2/fission-loclists.exp: New file. * gdb.dwarf2/fission-loclists.S: New file.
Diffstat (limited to 'gdb/testsuite')
-rw-r--r--gdb/testsuite/ChangeLog5
-rw-r--r--gdb/testsuite/gdb.dwarf2/fission-loclists.S554
-rw-r--r--gdb/testsuite/gdb.dwarf2/fission-loclists.exp42
3 files changed, 601 insertions, 0 deletions
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 47ea814..745c9ba 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2013-01-28 Doug Evans <dje@google.com>
+
+ * gdb.dwarf2/fission-loclists.exp: New file.
+ * gdb.dwarf2/fission-loclists.S: New file.
+
2013-01-26 Jan Kratochvil <jan.kratochvil@redhat.com>
Code cleanup.
diff --git a/gdb/testsuite/gdb.dwarf2/fission-loclists.S b/gdb/testsuite/gdb.dwarf2/fission-loclists.S
new file mode 100644
index 0000000..33fd8fa
--- /dev/null
+++ b/gdb/testsuite/gdb.dwarf2/fission-loclists.S
@@ -0,0 +1,554 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2013 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/>.
+
+ This file was created by doing:
+ gcc -O2 -gdwarf-4 -gsplit-debug -S -dA fission-loclists.c
+ and then massaging the output.
+
+ fission-loclists.c:
+
+ volatile v;
+
+ __attribute__ ((noinline)) void foo (int* x) { v = *x; }
+
+ int
+ main (int argc, char *argv[])
+ {
+ foo (&argc);
+ return 0;
+ }
+*/
+
+ .file "fission-loclists.c"
+ .text
+.Ltext0:
+ .p2align 4,,15
+ .globl foo
+ .type foo, @function
+foo:
+.LFB0:
+ .file 1 "fission-loclists.c"
+ # fission-loclists.c:3
+ .loc 1 3 0
+ .cfi_startproc
+.LVL0:
+# BLOCK 2 freq:10000 seq:0
+# PRED: ENTRY [100.0%] (fallthru)
+ # fission-loclists.c:3
+ .loc 1 3 0
+ movl (%rdi), %eax
+ movl %eax, v(%rip)
+# SUCC: EXIT [100.0%]
+ ret
+ .cfi_endproc
+.LFE0:
+ .size foo, .-foo
+ .text # was .section .text.startup,"ax",@progbits
+ .p2align 4,,15
+ .globl main
+ .type main, @function
+main:
+.LFB1:
+ # fission-loclists.c:7
+ .loc 1 7 0
+ .cfi_startproc
+.LVL1:
+# BLOCK 2 freq:10000 seq:0
+# PRED: ENTRY [100.0%] (fallthru)
+ subq $8, %rsp
+ .cfi_def_cfa_offset 16
+ # fission-loclists.c:7
+ .loc 1 7 0
+ movl %edi, 4(%rsp)
+ # fission-loclists.c:8
+ .loc 1 8 0
+ leaq 4(%rsp), %rdi
+.LVL2:
+ call foo
+.LVL3:
+ # fission-loclists.c:10
+ .loc 1 10 0
+ xorl %eax, %eax
+ addq $8, %rsp
+ .cfi_def_cfa_offset 8
+# SUCC: EXIT [100.0%]
+ ret
+ .cfi_endproc
+.LFE1:
+ .size main, .-main
+ .comm v,4,4
+ .text
+.Letext0:
+ .section .debug_addr,"",@progbits
+.Ldebug_addr0:
+ .8byte .LVL1 # 0x0
+ .8byte v # 0x1
+ .8byte .LVL3 # 0x2
+ .8byte .LFB0 # 0x3
+ .8byte .LFB1 # 0x4
+ .8byte .LVL3-1 # 0x5
+ .8byte .LVL2 # 0x6
+ .section .debug_info.dwo,"",@progbits
+.Ldebug_info0:
+ .4byte .Ldebug_info0_end - .Ldebug_info0 - 4 # Length of Compilation Unit Info
+ .value 0x4 # DWARF version number
+ .4byte .Ldebug_abbrev0 # Offset Into Abbrev. Section
+ .byte 0x8 # Pointer Size (in bytes)
+ .uleb128 0x1 # (DIE (0xb) DW_TAG_compile_unit)
+ .ascii "GNU C 4.7.x-fission\0" # DW_AT_producer
+ .byte 0x1 # DW_AT_language
+ .ascii "fission-loclists.c\0" # DW_AT_name
+ .ascii "/tmp\0" # DW_AT_comp_dir
+ .byte 0xcb # DW_AT_GNU_dwo_id
+ .byte 0x64
+ .byte 0x3e
+ .byte 0x34
+ .byte 0x1b
+ .byte 0x8a
+ .byte 0xd6
+ .byte 0x5
+.Lfoo_func:
+ .uleb128 0x2 # (DIE (0x5c) DW_TAG_subprogram)
+ # DW_AT_external
+ .ascii "foo\0" # DW_AT_name
+ .byte 0x1 # DW_AT_decl_file (fission-loclists.c)
+ .byte 0x3 # DW_AT_decl_line
+ # DW_AT_prototyped
+ .uleb128 0x3 # DW_AT_low_pc
+ .8byte .LFE0-.LFB0 # DW_AT_high_pc
+ .uleb128 0x1 # DW_AT_frame_base
+ .byte 0x9c # DW_OP_call_frame_cfa
+ # DW_AT_GNU_all_call_sites
+ .4byte .Lint_ptr_type - .Ldebug_info0 # DW_AT_sibling
+ .uleb128 0x3 # (DIE (0x72) DW_TAG_formal_parameter)
+ .ascii "x\0" # DW_AT_name
+ .byte 0x1 # DW_AT_decl_file (fission-loclists.c)
+ .byte 0x3 # DW_AT_decl_line
+ .4byte .Lint_ptr_type - .Ldebug_info0 # DW_AT_type
+ .uleb128 0x1 # DW_AT_location
+ .byte 0x55 # DW_OP_reg5
+ .byte 0 # end of children of DIE 0x5c
+.Lint_ptr_type:
+ .uleb128 0x4 # (DIE (0x7e) DW_TAG_pointer_type)
+ .byte 0x8 # DW_AT_byte_size
+ .4byte .Lint_type - .Ldebug_info0 # DW_AT_type
+.Lint_type:
+ .uleb128 0x5 # (DIE (0x84) DW_TAG_base_type)
+ .byte 0x4 # DW_AT_byte_size
+ .byte 0x5 # DW_AT_encoding
+ .ascii "int\0" # DW_AT_name
+ .uleb128 0x6 # (DIE (0x8b) DW_TAG_subprogram)
+ # DW_AT_external
+ .ascii "main\0" # DW_AT_name
+ .byte 0x1 # DW_AT_decl_file (fission-loclists.c)
+ .byte 0x6 # DW_AT_decl_line
+ # DW_AT_prototyped
+ .4byte .Lint_type - .Ldebug_info0 # DW_AT_type
+ .uleb128 0x4 # DW_AT_low_pc
+ .8byte .LFE1-.LFB1 # DW_AT_high_pc
+ .uleb128 0x1 # DW_AT_frame_base
+ .byte 0x9c # DW_OP_call_frame_cfa
+ # DW_AT_GNU_all_call_sites
+ .4byte .Lchar_ptr_ptr_type - .Ldebug_info0 # DW_AT_sibling
+ .uleb128 0x7 # (DIE (0xa6) DW_TAG_formal_parameter)
+ .ascii "argc\0" # DW_AT_name
+ .byte 0x1 # DW_AT_decl_file (fission-loclists.c)
+ .byte 0x6 # DW_AT_decl_line
+ .4byte .Lint_type - .Ldebug_info0 # DW_AT_type
+ .4byte .LLST0-.Ldebug_loc0 # DW_AT_location
+ .uleb128 0x7 # (DIE (0xb6) DW_TAG_formal_parameter)
+ .ascii "argv\0" # DW_AT_name
+ .byte 0x1 # DW_AT_decl_file (fission-loclists.c)
+ .byte 0x6 # DW_AT_decl_line
+ .4byte .Lchar_ptr_ptr_type - .Ldebug_info0 # DW_AT_type
+ .4byte .LLST1-.Ldebug_loc0 # DW_AT_location
+ .uleb128 0x8 # (DIE (0xc6) DW_TAG_GNU_call_site)
+ .uleb128 0x2 # DW_AT_low_pc
+ .4byte .Lfoo_func - .Ldebug_info0 # DW_AT_abstract_origin
+ .uleb128 0x9 # (DIE (0xcc) DW_TAG_GNU_call_site_parameter)
+ .uleb128 0x1 # DW_AT_location
+ .byte 0x55 # DW_OP_reg5
+ .uleb128 0x2 # DW_AT_GNU_call_site_value
+ .byte 0x91 # DW_OP_fbreg
+ .sleb128 -12
+ .byte 0 # end of children of DIE 0xc6
+ .byte 0 # end of children of DIE 0x8b
+.Lchar_ptr_ptr_type:
+ .uleb128 0x4 # (DIE (0xd4) DW_TAG_pointer_type)
+ .byte 0x8 # DW_AT_byte_size
+ .4byte .Lchar_ptr_type - .Ldebug_info0 # DW_AT_type
+.Lchar_ptr_type:
+ .uleb128 0x4 # (DIE (0xda) DW_TAG_pointer_type)
+ .byte 0x8 # DW_AT_byte_size
+ .4byte .Lchar_type - .Ldebug_info0 # DW_AT_type
+.Lchar_type:
+ .uleb128 0x5 # (DIE (0xe0) DW_TAG_base_type)
+ .byte 0x1 # DW_AT_byte_size
+ .byte 0x6 # DW_AT_encoding
+ .ascii "char\0" # DW_AT_name
+ .uleb128 0xa # (DIE (0xe8) DW_TAG_variable)
+ .ascii "v\0" # DW_AT_name
+ .byte 0x1 # DW_AT_decl_file (fission-loclists.c)
+ .byte 0x1 # DW_AT_decl_line
+ .4byte .Lvolatile_int_type - .Ldebug_info0 # DW_AT_type
+ # DW_AT_external
+ .uleb128 0x2 # DW_AT_location
+ .byte 0xfb # DW_OP_GNU_addr_index
+ .uleb128 0x1 # (index into .debug_addr)
+.Lvolatile_int_type:
+ .uleb128 0xb # (DIE (0xf4) DW_TAG_volatile_type)
+ .4byte .Lint_type - .Ldebug_info0 # DW_AT_type
+ .byte 0 # end of children of DIE 0xb
+.Ldebug_info0_end:
+ .section .debug_info,"",@progbits
+.Lskeleton_debug_info0:
+ .4byte .Lskeleton_debug_info0_end - .Lskeleton_debug_info0 - 4 # Length of Compilation Unit Info
+ .value 0x4 # DWARF version number
+ .4byte .Lskeleton_debug_abbrev0 # Offset Into Abbrev. Section
+ .byte 0x8 # Pointer Size (in bytes)
+ .uleb128 0x1 # (DIE (0) DW_TAG_compile_unit)
+ .4byte .Ldebug_ranges0+0 # DW_AT_ranges
+ # This next line is the core of the test.
+ # We want a non-zero value for low_pc to verify gdb is *not* using it
+ # (the initial base address) when evaluating location list addresses in
+ # .debug_loc.dwo.
+ # Note: Setting a non-zero value here means we had to adjust the
+ # values in .debug_ranges.
+ .8byte .Ltext0 # DW_AT_low_pc
+ .4byte .Ldebug_line0 # DW_AT_stmt_list
+ .byte 0xcb # DW_AT_GNU_dwo_id
+ .byte 0x64
+ .byte 0x3e
+ .byte 0x34
+ .byte 0x1b
+ .byte 0x8a
+ .byte 0xd6
+ .byte 0x5
+ .4byte .Ldebug_ranges0 # DW_AT_GNU_ranges_base
+ .ascii "/tmp\0" # DW_AT_comp_dir
+ # Normally dwo_name would be "fission-loclists.dwo".
+ # Simplification: Leave the DWO contents in the executable.
+ # "gdb.dwarf2/" is included so that gdb can load the file without
+ # having to set "debug-file-directory". This is useful when
+ # testing with cc-with-tweaks.sh -i.
+ .ascii "gdb.dwarf2/fission-loclists\0" # DW_AT_GNU_dwo_name
+ .4byte .Ldebug_pubnames0 # DW_AT_GNU_pubnames
+ .4byte .Ldebug_pubtypes0 # DW_AT_GNU_pubtypes
+ .4byte .Ldebug_addr0 # DW_AT_GNU_addr_base
+.Lskeleton_debug_info0_end:
+ .section .debug_abbrev,"",@progbits
+.Lskeleton_debug_abbrev0:
+ .uleb128 0x1 # (abbrev code)
+ .uleb128 0x11 # (TAG: DW_TAG_compile_unit)
+ .byte 0 # DW_children_no
+ .uleb128 0x55 # (DW_AT_ranges)
+ .uleb128 0x17 # (DW_FORM_sec_offset)
+ .uleb128 0x11 # (DW_AT_low_pc)
+ .uleb128 0x1 # (DW_FORM_addr)
+ .uleb128 0x10 # (DW_AT_stmt_list)
+ .uleb128 0x17 # (DW_FORM_sec_offset)
+ .uleb128 0x2131 # (DW_AT_GNU_dwo_id)
+ .uleb128 0x7 # (DW_FORM_data8)
+ .uleb128 0x2132 # (DW_AT_GNU_ranges_base)
+ .uleb128 0x17 # (DW_FORM_sec_offset)
+ .uleb128 0x1b # (DW_AT_comp_dir)
+ .uleb128 0x8 # (DW_FORM_string)
+ .uleb128 0x2130 # (DW_AT_GNU_dwo_name)
+ .uleb128 0x8 # (DW_FORM_string)
+ .uleb128 0x2134 # (DW_AT_GNU_pubnames)
+ .uleb128 0x17 # (DW_FORM_sec_offset)
+ .uleb128 0x2135 # (DW_AT_GNU_pubtypes)
+ .uleb128 0x17 # (DW_FORM_sec_offset)
+ .uleb128 0x2133 # (DW_AT_GNU_addr_base)
+ .uleb128 0x17 # (DW_FORM_sec_offset)
+ .byte 0
+ .byte 0
+ .uleb128 0x2 # (abbrev code)
+ .uleb128 0x41 # (TAG: DW_TAG_type_unit)
+ .byte 0 # DW_children_no
+ .uleb128 0x1b # (DW_AT_comp_dir)
+ .uleb128 0x8 # (DW_FORM_string)
+ .uleb128 0x2130 # (DW_AT_GNU_dwo_name)
+ .uleb128 0x8 # (DW_FORM_string)
+ .uleb128 0x2134 # (DW_AT_GNU_pubnames)
+ .uleb128 0x17 # (DW_FORM_sec_offset)
+ .uleb128 0x2135 # (DW_AT_GNU_pubtypes)
+ .uleb128 0x17 # (DW_FORM_sec_offset)
+ .uleb128 0x2133 # (DW_AT_GNU_addr_base)
+ .uleb128 0x17 # (DW_FORM_sec_offset)
+ .byte 0
+ .byte 0
+ .byte 0 # end of skeleton .debug_abbrev
+ .section .debug_abbrev.dwo,"",@progbits
+.Ldebug_abbrev0:
+ .uleb128 0x1 # (abbrev code)
+ .uleb128 0x11 # (TAG: DW_TAG_compile_unit)
+ .byte 0x1 # DW_children_yes
+ .uleb128 0x25 # (DW_AT_producer)
+ .uleb128 0x8 # (DW_FORM_string)
+ .uleb128 0x13 # (DW_AT_language)
+ .uleb128 0xb # (DW_FORM_data1)
+ .uleb128 0x3 # (DW_AT_name)
+ .uleb128 0x8 # (DW_FORM_string)
+ .uleb128 0x1b # (DW_AT_comp_dir)
+ .uleb128 0x8 # (DW_FORM_string)
+ .uleb128 0x2131 # (DW_AT_GNU_dwo_id)
+ .uleb128 0x7 # (DW_FORM_data8)
+ .byte 0
+ .byte 0
+ .uleb128 0x2 # (abbrev code)
+ .uleb128 0x2e # (TAG: DW_TAG_subprogram)
+ .byte 0x1 # DW_children_yes
+ .uleb128 0x3f # (DW_AT_external)
+ .uleb128 0x19 # (DW_FORM_flag_present)
+ .uleb128 0x3 # (DW_AT_name)
+ .uleb128 0x8 # (DW_FORM_string)
+ .uleb128 0x3a # (DW_AT_decl_file)
+ .uleb128 0xb # (DW_FORM_data1)
+ .uleb128 0x3b # (DW_AT_decl_line)
+ .uleb128 0xb # (DW_FORM_data1)
+ .uleb128 0x27 # (DW_AT_prototyped)
+ .uleb128 0x19 # (DW_FORM_flag_present)
+ .uleb128 0x11 # (DW_AT_low_pc)
+ .uleb128 0x1f01 # (DW_FORM_GNU_addr_index)
+ .uleb128 0x12 # (DW_AT_high_pc)
+ .uleb128 0x7 # (DW_FORM_data8)
+ .uleb128 0x40 # (DW_AT_frame_base)
+ .uleb128 0x18 # (DW_FORM_exprloc)
+ .uleb128 0x2117 # (DW_AT_GNU_all_call_sites)
+ .uleb128 0x19 # (DW_FORM_flag_present)
+ .uleb128 0x1 # (DW_AT_sibling)
+ .uleb128 0x13 # (DW_FORM_ref4)
+ .byte 0
+ .byte 0
+ .uleb128 0x3 # (abbrev code)
+ .uleb128 0x5 # (TAG: DW_TAG_formal_parameter)
+ .byte 0 # DW_children_no
+ .uleb128 0x3 # (DW_AT_name)
+ .uleb128 0x8 # (DW_FORM_string)
+ .uleb128 0x3a # (DW_AT_decl_file)
+ .uleb128 0xb # (DW_FORM_data1)
+ .uleb128 0x3b # (DW_AT_decl_line)
+ .uleb128 0xb # (DW_FORM_data1)
+ .uleb128 0x49 # (DW_AT_type)
+ .uleb128 0x13 # (DW_FORM_ref4)
+ .uleb128 0x2 # (DW_AT_location)
+ .uleb128 0x18 # (DW_FORM_exprloc)
+ .byte 0
+ .byte 0
+ .uleb128 0x4 # (abbrev code)
+ .uleb128 0xf # (TAG: DW_TAG_pointer_type)
+ .byte 0 # DW_children_no
+ .uleb128 0xb # (DW_AT_byte_size)
+ .uleb128 0xb # (DW_FORM_data1)
+ .uleb128 0x49 # (DW_AT_type)
+ .uleb128 0x13 # (DW_FORM_ref4)
+ .byte 0
+ .byte 0
+ .uleb128 0x5 # (abbrev code)
+ .uleb128 0x24 # (TAG: DW_TAG_base_type)
+ .byte 0 # DW_children_no
+ .uleb128 0xb # (DW_AT_byte_size)
+ .uleb128 0xb # (DW_FORM_data1)
+ .uleb128 0x3e # (DW_AT_encoding)
+ .uleb128 0xb # (DW_FORM_data1)
+ .uleb128 0x3 # (DW_AT_name)
+ .uleb128 0x8 # (DW_FORM_string)
+ .byte 0
+ .byte 0
+ .uleb128 0x6 # (abbrev code)
+ .uleb128 0x2e # (TAG: DW_TAG_subprogram)
+ .byte 0x1 # DW_children_yes
+ .uleb128 0x3f # (DW_AT_external)
+ .uleb128 0x19 # (DW_FORM_flag_present)
+ .uleb128 0x3 # (DW_AT_name)
+ .uleb128 0x8 # (DW_FORM_string)
+ .uleb128 0x3a # (DW_AT_decl_file)
+ .uleb128 0xb # (DW_FORM_data1)
+ .uleb128 0x3b # (DW_AT_decl_line)
+ .uleb128 0xb # (DW_FORM_data1)
+ .uleb128 0x27 # (DW_AT_prototyped)
+ .uleb128 0x19 # (DW_FORM_flag_present)
+ .uleb128 0x49 # (DW_AT_type)
+ .uleb128 0x13 # (DW_FORM_ref4)
+ .uleb128 0x11 # (DW_AT_low_pc)
+ .uleb128 0x1f01 # (DW_FORM_GNU_addr_index)
+ .uleb128 0x12 # (DW_AT_high_pc)
+ .uleb128 0x7 # (DW_FORM_data8)
+ .uleb128 0x40 # (DW_AT_frame_base)
+ .uleb128 0x18 # (DW_FORM_exprloc)
+ .uleb128 0x2117 # (DW_AT_GNU_all_call_sites)
+ .uleb128 0x19 # (DW_FORM_flag_present)
+ .uleb128 0x1 # (DW_AT_sibling)
+ .uleb128 0x13 # (DW_FORM_ref4)
+ .byte 0
+ .byte 0
+ .uleb128 0x7 # (abbrev code)
+ .uleb128 0x5 # (TAG: DW_TAG_formal_parameter)
+ .byte 0 # DW_children_no
+ .uleb128 0x3 # (DW_AT_name)
+ .uleb128 0x8 # (DW_FORM_string)
+ .uleb128 0x3a # (DW_AT_decl_file)
+ .uleb128 0xb # (DW_FORM_data1)
+ .uleb128 0x3b # (DW_AT_decl_line)
+ .uleb128 0xb # (DW_FORM_data1)
+ .uleb128 0x49 # (DW_AT_type)
+ .uleb128 0x13 # (DW_FORM_ref4)
+ .uleb128 0x2 # (DW_AT_location)
+ .uleb128 0x17 # (DW_FORM_sec_offset)
+ .byte 0
+ .byte 0
+ .uleb128 0x8 # (abbrev code)
+ .uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site)
+ .byte 0x1 # DW_children_yes
+ .uleb128 0x11 # (DW_AT_low_pc)
+ .uleb128 0x1f01 # (DW_FORM_GNU_addr_index)
+ .uleb128 0x31 # (DW_AT_abstract_origin)
+ .uleb128 0x13 # (DW_FORM_ref4)
+ .byte 0
+ .byte 0
+ .uleb128 0x9 # (abbrev code)
+ .uleb128 0x410a # (TAG: DW_TAG_GNU_call_site_parameter)
+ .byte 0 # DW_children_no
+ .uleb128 0x2 # (DW_AT_location)
+ .uleb128 0x18 # (DW_FORM_exprloc)
+ .uleb128 0x2111 # (DW_AT_GNU_call_site_value)
+ .uleb128 0x18 # (DW_FORM_exprloc)
+ .byte 0
+ .byte 0
+ .uleb128 0xa # (abbrev code)
+ .uleb128 0x34 # (TAG: DW_TAG_variable)
+ .byte 0 # DW_children_no
+ .uleb128 0x3 # (DW_AT_name)
+ .uleb128 0x8 # (DW_FORM_string)
+ .uleb128 0x3a # (DW_AT_decl_file)
+ .uleb128 0xb # (DW_FORM_data1)
+ .uleb128 0x3b # (DW_AT_decl_line)
+ .uleb128 0xb # (DW_FORM_data1)
+ .uleb128 0x49 # (DW_AT_type)
+ .uleb128 0x13 # (DW_FORM_ref4)
+ .uleb128 0x3f # (DW_AT_external)
+ .uleb128 0x19 # (DW_FORM_flag_present)
+ .uleb128 0x2 # (DW_AT_location)
+ .uleb128 0x18 # (DW_FORM_exprloc)
+ .byte 0
+ .byte 0
+ .uleb128 0xb # (abbrev code)
+ .uleb128 0x35 # (TAG: DW_TAG_volatile_type)
+ .byte 0 # DW_children_no
+ .uleb128 0x49 # (DW_AT_type)
+ .uleb128 0x13 # (DW_FORM_ref4)
+ .byte 0
+ .byte 0
+ .byte 0
+ .section .debug_loc.dwo,"",@progbits
+.Ldebug_loc0:
+.LLST0:
+ .byte 0x3 # Location list start/length entry (*.LLST0)
+ .uleb128 0 # Location list range start index (*.LVL1)
+ .4byte .LVL2-.LVL1 # Location list range length (*.LLST0)
+ .value 0x1 # Location expression size
+ .byte 0x55 # DW_OP_reg5
+ .byte 0x3 # Location list start/length entry (*.LLST0)
+ .uleb128 0x6 # Location list range start index (*.LVL2)
+ .4byte .LFE1-.LVL2 # Location list range length (*.LLST0)
+ .value 0x2 # Location expression size
+ .byte 0x91 # DW_OP_fbreg
+ .sleb128 -12
+ .byte 0 # Location list terminator (*.LLST0)
+.LLST1:
+ .byte 0x3 # Location list start/length entry (*.LLST1)
+ .uleb128 0 # Location list range start index (*.LVL1)
+ .4byte .LVL3-1-.LVL1 # Location list range length (*.LLST1)
+ .value 0x1 # Location expression size
+ .byte 0x54 # DW_OP_reg4
+ .byte 0x3 # Location list start/length entry (*.LLST1)
+ .uleb128 0x5 # Location list range start index (*.LVL3-1)
+ .4byte .LFE1-.LVL3-1 # Location list range length (*.LLST1)
+ .value 0x4 # Location expression size
+ .byte 0xf3 # DW_OP_GNU_entry_value
+ .uleb128 0x1
+ .byte 0x54 # DW_OP_reg4
+ .byte 0x9f # DW_OP_stack_value
+ .byte 0 # Location list terminator (*.LLST1)
+ .section .debug_gnu_pubnames,"",@progbits
+.Ldebug_pubnames0:
+ .4byte 0
+ .section .debug_gnu_pubtypes,"",@progbits
+.Ldebug_pubtypes0:
+ .4byte 0
+ .section .debug_aranges,"",@progbits
+ .4byte 0x3c # Length of Address Ranges Info
+ .value 0x2 # DWARF Version
+ .4byte .Lskeleton_debug_info0 # Offset of Compilation Unit Info
+ .byte 0x8 # Size of Address
+ .byte 0 # Size of Segment Descriptor
+ .value 0 # Pad to 16 byte boundary
+ .value 0
+ .8byte .Ltext0 # Address
+ .8byte .Letext0-.Ltext0 # Length
+ .8byte .LFB1 # Address
+ .8byte .LFE1-.LFB1 # Length
+ .8byte 0
+ .8byte 0
+ .section .debug_ranges,"",@progbits
+.Ldebug_ranges0:
+ .8byte .Ltext0 - .Ltext0 # Offset 0
+ .8byte .Letext0 - .Ltext0
+ .8byte .LFB1 - .Ltext0 # Offset 0x10
+ .8byte .LFE1 - .Ltext0
+ .8byte 0
+ .8byte 0
+ .section .debug_line,"",@progbits
+.Ldebug_line0:
+ .section .debug_line.dwo,"",@progbits
+.Lskeleton_debug_line0:
+ .4byte .LELT0-.LSLT0 # Length of Source Line Info
+.LSLT0:
+ .value 0x4 # DWARF Version
+ .4byte .LELTP0-.LASLTP0 # Prolog Length
+.LASLTP0:
+ .byte 0x1 # Minimum Instruction Length
+ .byte 0x1 # Maximum Operations Per Instruction
+ .byte 0x1 # Default is_stmt_start flag
+ .byte 0xf6 # Line Base Value (Special Opcodes)
+ .byte 0xf2 # Line Range Value (Special Opcodes)
+ .byte 0xd # Special Opcode Base
+ .byte 0 # opcode: 0x1 has 0 args
+ .byte 0x1 # opcode: 0x2 has 1 args
+ .byte 0x1 # opcode: 0x3 has 1 args
+ .byte 0x1 # opcode: 0x4 has 1 args
+ .byte 0x1 # opcode: 0x5 has 1 args
+ .byte 0 # opcode: 0x6 has 0 args
+ .byte 0 # opcode: 0x7 has 0 args
+ .byte 0 # opcode: 0x8 has 0 args
+ .byte 0x1 # opcode: 0x9 has 1 args
+ .byte 0 # opcode: 0xa has 0 args
+ .byte 0 # opcode: 0xb has 0 args
+ .byte 0x1 # opcode: 0xc has 1 args
+ .byte 0 # End directory table
+ .ascii "fission-loclists.c\0" # File Entry: 0x1
+ .uleb128 0
+ .uleb128 0
+ .uleb128 0
+ .byte 0 # End file name table
+.LELTP0:
+.LELT0:
+ .section .debug_str_offsets.dwo,"",@progbits
+ .section .debug_str.dwo,"",@progbits
+ .ident "GCC: 4.7.x-fission"
+ .section .note.GNU-stack,"",@progbits
diff --git a/gdb/testsuite/gdb.dwarf2/fission-loclists.exp b/gdb/testsuite/gdb.dwarf2/fission-loclists.exp
new file mode 100644
index 0000000..1151fad
--- /dev/null
+++ b/gdb/testsuite/gdb.dwarf2/fission-loclists.exp
@@ -0,0 +1,42 @@
+# Copyright 2013 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/>.
+
+load_lib dwarf.exp
+
+# This test can only be run on targets which support DWARF-2 and use gas.
+if ![dwarf2_support] {
+ return 0
+}
+
+# This test can only be run on x86-64 targets.
+if {![istarget x86_64-*] || ![is_lp64_target]} {
+ return 0
+}
+
+set basename "fission-loclists"
+
+standard_testfile .S
+
+if { [prepare_for_testing "$testfile.exp" "$testfile" "$srcfile" {nodebug}] } {
+ return -1
+}
+
+if ![runto_main] {
+ return -1
+}
+
+# Verify gdb can find argc.
+
+gdb_test "p argc" " = 1"