Use Dwarf::assemble in implptr-optimized-out.exp

This patch is to use dwarf::assemble to generate debug information, and
remove implptr-optimized-out.S as a result.

gdb/testsuite:

2014-11-14  Yao Qi  <yao@codesourcery.com>

	* gdb.dwarf2/implptr-optimized-out.exp: Use Dwarf::assemble to
	produce debug information.
	* gdb.dwarf2/implptr-optimized-out.S: Removed.
This commit is contained in:
Yao Qi 2014-11-14 08:53:08 +08:00
parent 0f6e71e32f
commit f166b54272
3 changed files with 66 additions and 169 deletions

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@ -1,3 +1,9 @@
2014-11-14 Yao Qi <yao@codesourcery.com>
* gdb.dwarf2/implptr-optimized-out.exp: Use Dwarf::assemble to
produce debug information.
* gdb.dwarf2/implptr-optimized-out.S: Removed.
2014-11-14 Yao Qi <yao@codesourcery.com>
* gdb.dwarf2/dwz.exp: Remove the code to compile main.c to

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@ -1,166 +0,0 @@
/* Copyright 2010-2014 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/>. */
.section .debug_info
d:
.4byte debug_end - 1f /* Length of Compilation Unit Info */
1:
.2byte 0x3 /* DWARF version number */
.4byte .Ldebug_abbrev0 /* Offset Into Abbrev. Section */
.byte 0x4 /* Pointer Size (in bytes) */
.uleb128 0x1 /* (DIE (0xb) DW_TAG_compile_unit) */
.ascii "GNU C 4.4.3\0" /* DW_AT_producer */
.byte 0x1 /* DW_AT_language */
.ascii "1.c\0" /* DW_AT_name */
.Ltype_int:
.uleb128 0x7 /* DW_TAG_base_type */
.byte 0x4 /* DW_AT_byte_size */
.byte 0x5 /* DW_AT_encoding */
.ascii "int\0" /* DW_AT_name */
.Ltype_struct:
.uleb128 0x2 /* DW_TAG_structure_type */
.ascii "s\0" /* DW_AT_name */
.byte 4 /* DW_AT_byte_size */
.uleb128 0x3 /* DW_TAG_member */
.ascii "f\0" /* DW_AT_name */
.4byte .Ltype_int - d /* DW_AT_type */
.byte 0 /* DW_AT_data_member_location */
.byte 0x0 /* end of children of DW_TAG_structure_type */
.uleb128 6 /* Abbrev: DW_TAG_subprogram */
.ascii "main\0" /* DW_AT_name */
.4byte main /* DW_AT_low_pc */
.4byte main + 0x100 /* DW_AT_high_pc */
.4byte .Ltype_int - d /* DW_AT_type */
.byte 1 /* DW_AT_external */
.Ltype_structptr:
.uleb128 0x5 /* DW_TAG_pointer_type */
.byte 0x4 /* DW_AT_byte_size */
.4byte .Ltype_struct - d /* DW_AT_type */
.Lvar_out:
.uleb128 0x4 /* (DW_TAG_variable) */
.ascii "v\0" /* DW_AT_name */
.byte 0 /* DW_AT_location: DW_FORM_block1 */
.4byte .Ltype_struct - d /* DW_AT_type */
.uleb128 0x4 /* (DW_TAG_variable) */
.ascii "p\0" /* DW_AT_name */
.byte 2f - 1f /* DW_AT_location: DW_FORM_block1 */
1:
.byte 0xf2 /* DW_OP_GNU_implicit_pointer */
.4byte .Lvar_out /* referenced DIE, section-relative! */
.sleb128 0 /* offset */
2:
.4byte .Ltype_structptr - d /* DW_AT_type */
.byte 0x0 /* end of children of main */
.byte 0x0 /* end of children of CU */
debug_end:
.section .debug_abbrev
.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) */
.byte 0x0
.byte 0x0
.uleb128 0x2 /* (abbrev code) */
.uleb128 0x13 /* (TAG: DW_TAG_structure_type) */
.byte 0x1 /* DW_children_yes */
.uleb128 0x3 /* (DW_AT_name) */
.uleb128 0x8 /* (DW_FORM_string) */
.uleb128 0xb /* (DW_AT_byte_size) */
.uleb128 0xb /* (DW_FORM_data1) */
.byte 0
.byte 0
.uleb128 0x3 /* (abbrev code) */
.uleb128 0xd /* (TAG: DW_TAG_member) */
.byte 0 /* DW_children_no */
.uleb128 0x3 /* (DW_AT_name) */
.uleb128 0x8 /* (DW_FORM_string) */
.uleb128 0x49 /* (DW_AT_type) */
.uleb128 0x13 /* (DW_FORM_ref4) */
.uleb128 0x38 /* (DW_AT_data_member_location) */
.uleb128 0xb /* (DW_FORM_data1) */
.byte 0
.byte 0
.uleb128 0x4 /* (abbrev code) */
.uleb128 0x34 /* (TAG: DW_TAG_variable) */
.byte 0x0 /* DW_children_yes */
.uleb128 0x3 /* (DW_AT_name) */
.uleb128 0x8 /* (DW_FORM_string) */
.uleb128 0x02 /* (DW_AT_location) */
.uleb128 0xa /* (DW_FORM_block1) */
.uleb128 0x49 /* (DW_AT_type) */
.uleb128 0x13 /* (DW_FORM_ref4) */
.byte 0x0
.byte 0x0
.uleb128 0x5 /* (abbrev code) */
.uleb128 0xf /* (TAG: DW_TAG_pointer_type) */
.byte 0x0 /* 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 0x0
.byte 0x0
.uleb128 6 /* Abbrev code */
.uleb128 0x2e /* DW_TAG_subprogram */
.byte 1 /* has_children */
.uleb128 0x3 /* DW_AT_name */
.uleb128 0x8 /* DW_FORM_string */
.uleb128 0x11 /* DW_AT_low_pc */
.uleb128 0x1 /* DW_FORM_addr */
.uleb128 0x12 /* DW_AT_high_pc */
.uleb128 0x1 /* DW_FORM_addr */
.uleb128 0x49 /* DW_AT_type */
.uleb128 0x13 /* DW_FORM_ref4 */
.uleb128 0x3f /* DW_AT_external */
.uleb128 0xc /* DW_FORM_flag */
.byte 0x0 /* Terminator */
.byte 0x0 /* Terminator */
.uleb128 0x7 /* (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
.byte 0x0

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@ -19,11 +19,68 @@ if {![dwarf2_support]} {
return 0
}
standard_testfile .S
set mainfile main.c
standard_testfile main.c .S
set executable ${testfile}
if [prepare_for_testing ${testfile}.exp $executable "${srcfile} ${mainfile}" {}] {
# Create the DWARF.
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
cu { version 3 addr_size 4 } {
compile_unit {
{producer "GNU C 4.4.3"}
{language @DW_LANG_C89}
{name 1.c}
} {
declare_labels int_label struct_label pointer_label variable_label
int_label: base_type {
{byte_size 4 sdata}
{encoding @DW_ATE_signed}
{name int}
}
struct_label: structure_type {
{name s}
{byte_size 4 sdata}
} {
member {
{name f}
{type :$int_label}
{data_member_location 0 data1}
}
}
subprogram {
{name main}
{low_pc main addr}
{high_pc main+0x100 addr}
{type :$int_label}
{external 1 flag}
} {
pointer_label: pointer_type {
{byte_size 4 sdata}
{type :$struct_label}
}
variable_label: DW_TAG_variable {
{name v}
{location {} DW_FORM_block1}
{type :$struct_label}
}
DW_TAG_variable {
{name p}
{location {
GNU_implicit_pointer $variable_label 0
} SPECIAL_expr}
{type :$pointer_label}
}
}
}
}
}
if [prepare_for_testing ${testfile}.exp $executable "${asm_file} ${srcfile}" {}] {
return -1
}