mirror of
https://github.com/darlinghq/darling-gdb.git
synced 2025-01-26 19:44:28 +00:00
* dwarf2read.c (signatured_type): Make "per_cu" member first.
(init_cutu_and_read_dies): Handle rereading a DWO CU while it's currently being read. Propagate DW_AT_comp_dir to DWO DIE. testsuite/ * gdb.dwarf2/fission-reread.S: New file. * gdb.dwarf2/fission-reread.exp: New file.
This commit is contained in:
Doug Evans
parent
fe7785c611
commit
42e7ad6c73
@ -1,3 +1,9 @@
|
||||
2012-06-30 Doug Evans <dje@google.com>
|
||||
|
||||
* dwarf2read.c (signatured_type): Make "per_cu" member first.
|
||||
(init_cutu_and_read_dies): Handle rereading a DWO CU while it's
|
||||
currently being read. Propagate DW_AT_comp_dir to DWO DIE.
|
||||
|
||||
2012-06-29 Doug Evans <dje@google.com>
|
||||
|
||||
* linespec.c: #include "stack.h".
|
||||
|
||||
@ -544,6 +544,11 @@ struct dwarf2_per_cu_data
|
||||
|
||||
struct signatured_type
|
||||
{
|
||||
/* The "per_cu" object of this type.
|
||||
N.B.: This is the first member so that it's easy to convert pointers
|
||||
between them. */
|
||||
struct dwarf2_per_cu_data per_cu;
|
||||
|
||||
/* The type's signature. */
|
||||
ULONGEST signature;
|
||||
|
||||
@ -557,9 +562,6 @@ struct signatured_type
|
||||
The value is zero until the actual value is known.
|
||||
Zero is otherwise not a valid section offset. */
|
||||
sect_offset type_offset_in_section;
|
||||
|
||||
/* The CU(/TU) of this type. */
|
||||
struct dwarf2_per_cu_data per_cu;
|
||||
};
|
||||
|
||||
/* These sections are what may appear in a "dwo" file. */
|
||||
@ -3851,6 +3853,8 @@ lookup_signatured_type (ULONGEST sig)
|
||||
entry = htab_find (dwarf2_per_objfile->signatured_types, &find_entry);
|
||||
return entry;
|
||||
}
|
||||
|
||||
/* Low level DIE reading support. */
|
||||
|
||||
/* Initialize a die_reader_specs struct from a dwarf2_cu struct. */
|
||||
|
||||
@ -3899,6 +3903,10 @@ init_cutu_and_read_dies (struct dwarf2_per_cu_data *this_cu,
|
||||
struct cleanup *cleanups, *free_cu_cleanup = NULL;
|
||||
struct signatured_type *sig_type = NULL;
|
||||
struct dwarf2_section_info *abbrev_section;
|
||||
/* Non-zero if CU currently points to a DWO file and we need to
|
||||
reread it. When this happens we need to reread the skeleton die
|
||||
before we can reread the DWO file. */
|
||||
int rereading_dwo_cu = 0;
|
||||
|
||||
if (use_existing_cu)
|
||||
gdb_assert (keep);
|
||||
@ -3914,7 +3922,15 @@ init_cutu_and_read_dies (struct dwarf2_per_cu_data *this_cu,
|
||||
if (use_existing_cu && this_cu->cu != NULL)
|
||||
{
|
||||
cu = this_cu->cu;
|
||||
info_ptr += cu->header.first_die_offset.cu_off;
|
||||
|
||||
/* If this CU is from a DWO file we need to start over, we need to
|
||||
refetch the attributes from the skeleton CU.
|
||||
This could be optimized by retrieving those attributes from when we
|
||||
were here the first time: the previous comp_unit_die was stored in
|
||||
comp_unit_obstack. But there's no data yet that we need this
|
||||
optimization. */
|
||||
if (cu->dwo_unit != NULL)
|
||||
rereading_dwo_cu = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
@ -3926,26 +3942,35 @@ init_cutu_and_read_dies (struct dwarf2_per_cu_data *this_cu,
|
||||
|
||||
/* If an error occurs while loading, release our storage. */
|
||||
free_cu_cleanup = make_cleanup (free_heap_comp_unit, cu);
|
||||
}
|
||||
|
||||
if (cu->header.first_die_offset.cu_off != 0 && ! rereading_dwo_cu)
|
||||
{
|
||||
/* We already have the header, there's no need to read it in again. */
|
||||
info_ptr += cu->header.first_die_offset.cu_off;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (this_cu->is_debug_types)
|
||||
{
|
||||
ULONGEST signature;
|
||||
cu_offset type_offset_in_tu;
|
||||
|
||||
info_ptr = read_and_check_type_unit_head (&cu->header, section,
|
||||
abbrev_section, info_ptr,
|
||||
&signature, NULL);
|
||||
&signature,
|
||||
&type_offset_in_tu);
|
||||
|
||||
/* There's no way to get from PER_CU to its containing
|
||||
struct signatured_type.
|
||||
But we have the signature so we can use that. */
|
||||
sig_type = lookup_signatured_type (signature);
|
||||
/* We've already scanned all the signatured types,
|
||||
this must succeed. */
|
||||
gdb_assert (sig_type != NULL);
|
||||
gdb_assert (&sig_type->per_cu == this_cu);
|
||||
/* Since per_cu is the first member of struct signatured_type,
|
||||
we can go from a pointer to one to a pointer to the other. */
|
||||
sig_type = (struct signatured_type *) this_cu;
|
||||
gdb_assert (sig_type->signature == signature);
|
||||
gdb_assert (sig_type->type_offset_in_tu.cu_off
|
||||
== type_offset_in_tu.cu_off);
|
||||
gdb_assert (this_cu->offset.sect_off == cu->header.offset.sect_off);
|
||||
|
||||
/* LENGTH has not been set yet for type units. */
|
||||
/* LENGTH has not been set yet for type units if we're
|
||||
using .gdb_index. */
|
||||
this_cu->length = get_cu_length (&cu->header);
|
||||
|
||||
/* Establish the type offset that can be used to lookup the type. */
|
||||
@ -3973,12 +3998,19 @@ init_cutu_and_read_dies (struct dwarf2_per_cu_data *this_cu,
|
||||
|
||||
/* If we don't have them yet, read the abbrevs for this compilation unit.
|
||||
And if we need to read them now, make sure they're freed when we're
|
||||
done. */
|
||||
done. Note that it's important that if the CU had an abbrev table
|
||||
on entry we don't free it when we're done: Somewhere up the call stack
|
||||
it may be in use. */
|
||||
if (cu->abbrev_table == NULL)
|
||||
{
|
||||
dwarf2_read_abbrevs (cu, abbrev_section);
|
||||
make_cleanup (dwarf2_free_abbrev_table, cu);
|
||||
}
|
||||
else if (rereading_dwo_cu)
|
||||
{
|
||||
dwarf2_free_abbrev_table (cu);
|
||||
dwarf2_read_abbrevs (cu, abbrev_section);
|
||||
}
|
||||
|
||||
/* Read the top level CU/TU die. */
|
||||
init_cu_die_reader (&reader, cu, section, NULL);
|
||||
@ -3991,10 +4023,10 @@ init_cutu_and_read_dies (struct dwarf2_per_cu_data *this_cu,
|
||||
if (attr)
|
||||
{
|
||||
char *dwo_name = DW_STRING (attr);
|
||||
const char *comp_dir;
|
||||
const char *comp_dir_string;
|
||||
struct dwo_unit *dwo_unit;
|
||||
ULONGEST signature; /* Or dwo_id. */
|
||||
struct attribute *stmt_list, *low_pc, *high_pc, *ranges;
|
||||
struct attribute *comp_dir, *stmt_list, *low_pc, *high_pc, *ranges;
|
||||
int i,num_extra_attrs;
|
||||
struct dwarf2_section_info *dwo_abbrev_section;
|
||||
|
||||
@ -4008,15 +4040,16 @@ init_cutu_and_read_dies (struct dwarf2_per_cu_data *this_cu,
|
||||
However, the attribute is found in the stub which we won't have later.
|
||||
In order to not impose this complication on the rest of the code,
|
||||
we read them here and copy them to the DWO CU/TU die. */
|
||||
stmt_list = low_pc = high_pc = ranges = NULL;
|
||||
|
||||
/* For TUs in DWO files, the DW_AT_stmt_list attribute lives in the
|
||||
DWO file. */
|
||||
stmt_list = NULL;
|
||||
if (! this_cu->is_debug_types)
|
||||
stmt_list = dwarf2_attr (comp_unit_die, DW_AT_stmt_list, cu);
|
||||
low_pc = dwarf2_attr (comp_unit_die, DW_AT_low_pc, cu);
|
||||
high_pc = dwarf2_attr (comp_unit_die, DW_AT_high_pc, cu);
|
||||
ranges = dwarf2_attr (comp_unit_die, DW_AT_ranges, cu);
|
||||
comp_dir = dwarf2_attr (comp_unit_die, DW_AT_comp_dir, cu);
|
||||
|
||||
/* There should be a DW_AT_addr_base attribute here (if needed).
|
||||
We need the value before we can process DW_FORM_GNU_addr_index. */
|
||||
@ -4047,15 +4080,14 @@ init_cutu_and_read_dies (struct dwarf2_per_cu_data *this_cu,
|
||||
}
|
||||
|
||||
/* We may need the comp_dir in order to find the DWO file. */
|
||||
comp_dir = NULL;
|
||||
attr = dwarf2_attr (comp_unit_die, DW_AT_comp_dir, cu);
|
||||
if (attr)
|
||||
comp_dir = DW_STRING (attr);
|
||||
comp_dir_string = NULL;
|
||||
if (comp_dir)
|
||||
comp_dir_string = DW_STRING (comp_dir);
|
||||
|
||||
if (this_cu->is_debug_types)
|
||||
dwo_unit = lookup_dwo_type_unit (sig_type, dwo_name, comp_dir);
|
||||
dwo_unit = lookup_dwo_type_unit (sig_type, dwo_name, comp_dir_string);
|
||||
else
|
||||
dwo_unit = lookup_dwo_comp_unit (this_cu, dwo_name, comp_dir,
|
||||
dwo_unit = lookup_dwo_comp_unit (this_cu, dwo_name, comp_dir_string,
|
||||
signature);
|
||||
|
||||
if (dwo_unit == NULL)
|
||||
@ -4110,7 +4142,8 @@ init_cutu_and_read_dies (struct dwarf2_per_cu_data *this_cu,
|
||||
num_extra_attrs = ((stmt_list != NULL)
|
||||
+ (low_pc != NULL)
|
||||
+ (high_pc != NULL)
|
||||
+ (ranges != NULL));
|
||||
+ (ranges != NULL)
|
||||
+ (comp_dir != NULL));
|
||||
info_ptr = read_full_die_1 (&reader, &comp_unit_die, info_ptr,
|
||||
&has_children, num_extra_attrs);
|
||||
|
||||
@ -4124,6 +4157,8 @@ init_cutu_and_read_dies (struct dwarf2_per_cu_data *this_cu,
|
||||
comp_unit_die->attrs[i++] = *high_pc;
|
||||
if (ranges != NULL)
|
||||
comp_unit_die->attrs[i++] = *ranges;
|
||||
if (comp_dir != NULL)
|
||||
comp_unit_die->attrs[i++] = *comp_dir;
|
||||
comp_unit_die->num_attrs += num_extra_attrs;
|
||||
|
||||
/* Skip dummy compilation units. */
|
||||
|
||||
@ -1,3 +1,8 @@
|
||||
2012-06-30 Doug Evans <dje@google.com>
|
||||
|
||||
* gdb.dwarf2/fission-reread.S: New file.
|
||||
* gdb.dwarf2/fission-reread.exp: New file.
|
||||
|
||||
2012-06-28 Stan Shebs <stan@codesourcery.com>
|
||||
|
||||
* gdb.mi/mi-logging.exp: New file.
|
||||
|
||||
459
gdb/testsuite/gdb.dwarf2/fission-reread.S
Normal file
459
gdb/testsuite/gdb.dwarf2/fission-reread.S
Normal file
@ -0,0 +1,459 @@
|
||||
/* Copyright 2012 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/>. */
|
||||
|
||||
/* Testcase to exercise the code path in bug 13961 for Fission.
|
||||
http://gcc.gnu.org/wiki/DebugFission
|
||||
|
||||
Compiled from:
|
||||
|
||||
class foo
|
||||
{
|
||||
public:
|
||||
int bar;
|
||||
};
|
||||
|
||||
foo baz;
|
||||
|
||||
int
|
||||
main ()
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
And then manually edited to insert the necessary DW_AT_specification
|
||||
entries to trigger the desired code path.
|
||||
There's no real need to make this architecture-specific, so it has been
|
||||
further hand-edited to support that.
|
||||
*/
|
||||
|
||||
.file "fission-reread.cc"
|
||||
|
||||
.globl baz
|
||||
.bss
|
||||
.align 4
|
||||
.type baz, @object
|
||||
.size baz, 4
|
||||
baz:
|
||||
.zero 4
|
||||
|
||||
.text
|
||||
.Ltext0:
|
||||
.globl main
|
||||
.type main, @function
|
||||
main:
|
||||
.LFB0:
|
||||
.file 1 "fission-reread.cc"
|
||||
.loc 1 11 0
|
||||
.4byte 0
|
||||
.LFE0:
|
||||
.size main, .-main
|
||||
.Letext0:
|
||||
|
||||
.section .debug_types.dwo,"G",@progbits,wt.198b7eaccef12290,comdat
|
||||
.Ltu_start_dwo:
|
||||
.4byte .Ltu_end_dwo - .Ltu_start_dwo - 4 # Length of Compilation Unit Info
|
||||
.2byte 0x4 # DWARF version number
|
||||
.4byte .Ldebug_abbrev0 # Offset Into Abbrev. Section
|
||||
.byte 0x8 # Pointer Size (in bytes)
|
||||
.byte 0x19 # Type Signature
|
||||
.byte 0x8b
|
||||
.byte 0x7e
|
||||
.byte 0xac
|
||||
.byte 0xce
|
||||
.byte 0xf1
|
||||
.byte 0x22
|
||||
.byte 0x90
|
||||
.4byte .Ltu_class_type - .Ltu_start_dwo # Offset to Type DIE
|
||||
.uleb128 0x1 # (DIE (0x17) DW_TAG_type_unit)
|
||||
.byte 0x4 # DW_AT_language
|
||||
.byte 0x73 # DW_AT_GNU_odr_signature
|
||||
.byte 0xea
|
||||
.byte 0x85
|
||||
.byte 0x23
|
||||
.byte 0x75
|
||||
.byte 0x8a
|
||||
.byte 0x7e
|
||||
.byte 0x87
|
||||
.4byte .Lskeleton_debug_line0 # DW_AT_stmt_list
|
||||
|
||||
/* Manually inserted to have a DW_AT_specification refering to
|
||||
something and appearing ahead of it. */
|
||||
.uleb128 0x8 /* DW_TAG_class_type */
|
||||
.4byte .Ltu_class_type - .Ltu_start_dwo
|
||||
/* End of manual insertion */
|
||||
|
||||
.Ltu_class_type:
|
||||
.uleb128 0x2 # (DIE (0x25) DW_TAG_class_type)
|
||||
.ascii "foo\0" # DW_AT_name
|
||||
.byte 0x4 # DW_AT_byte_size
|
||||
.byte 0x1 # DW_AT_decl_file (fission-reread.cc)
|
||||
.byte 0x1 # DW_AT_decl_line
|
||||
.4byte .Ltu_int # DW_AT_sibling
|
||||
.uleb128 0x3 # (DIE (0x31) DW_TAG_member)
|
||||
.ascii "bar\0" # DW_AT_name
|
||||
.byte 0x1 # DW_AT_decl_file (fission-reread.cc)
|
||||
.byte 0x4 # DW_AT_decl_line
|
||||
.4byte .Ltu_int # DW_AT_type
|
||||
.byte 0 # DW_AT_data_member_location
|
||||
.byte 0x1 # DW_AT_accessibility
|
||||
.byte 0 # end of children of DIE 0x25
|
||||
.Ltu_int:
|
||||
.uleb128 0x4 # (DIE (0x3f) DW_TAG_base_type)
|
||||
.byte 0x4 # DW_AT_byte_size
|
||||
.byte 0x5 # DW_AT_encoding
|
||||
.ascii "int\0" # DW_AT_name
|
||||
.byte 0 # end of children of DIE 0x17
|
||||
.Ltu_end_dwo:
|
||||
|
||||
.section .debug_types,"G",@progbits,wt.198b7eaccef12290,comdat
|
||||
.Ltu_start:
|
||||
.4byte .Ltu_end - .Ltu_start - 4 # Length of Type Unit Info
|
||||
.2byte 0x4 # DWARF version number
|
||||
.4byte .Lskeleton_debug_abbrev0 # Offset Into Abbrev. Section
|
||||
.byte 0x8 # Pointer Size (in bytes)
|
||||
.byte 0x19 # Type Signature
|
||||
.byte 0x8b
|
||||
.byte 0x7e
|
||||
.byte 0xac
|
||||
.byte 0xce
|
||||
.byte 0xf1
|
||||
.byte 0x22
|
||||
.byte 0x90
|
||||
.4byte 0 # Offset to Type DIE
|
||||
.uleb128 0x2 # (DIE (0) DW_TAG_type_unit)
|
||||
.ascii "/tmp/src/gdb/testsuite/gdb.dwarf2\0" # DW_AT_comp_dir
|
||||
# Normally dwo_name would be "fission-reread.dwo".
|
||||
# Simplification: Leave the DWO contents in the executable.
|
||||
.ascii "fission-reread\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
|
||||
.Ltu_end:
|
||||
|
||||
.section .debug_info.dwo,"",@progbits
|
||||
.Lcu_start_dwo:
|
||||
.4byte .Lcu_end_dwo - .Lcu_start_dwo - 4 # Length of Compilation Unit Info
|
||||
.2byte 0x4 # DWARF version number
|
||||
.4byte .Ldebug_abbrev0 # Offset Into Abbrev. Section
|
||||
.byte 0x8 # Pointer Size (in bytes)
|
||||
.uleb128 0x5 # (DIE (0xb) DW_TAG_compile_unit)
|
||||
.ascii "GNU C++ 4.6.x-fission\0" # DW_AT_producer
|
||||
.byte 0x4 # DW_AT_language
|
||||
.ascii "fission-reread.cc\0" # DW_AT_name
|
||||
.ascii "/tmp/src/gdb/testsuite/gdb.dwarf2\0" # DW_AT_comp_dir
|
||||
.byte 0 # DW_AT_GNU_dwo_id
|
||||
.byte 0
|
||||
.byte 0
|
||||
.byte 0
|
||||
.byte 0
|
||||
.byte 0
|
||||
.byte 0
|
||||
.byte 0
|
||||
.Lcu_int:
|
||||
.uleb128 0x4 # (DIE (0x7f) DW_TAG_base_type)
|
||||
.byte 0x4 # DW_AT_byte_size
|
||||
.byte 0x5 # DW_AT_encoding
|
||||
.ascii "int\0" # DW_AT_name
|
||||
.uleb128 0x6 # (DIE (0x86) DW_TAG_subprogram)
|
||||
# DW_AT_external
|
||||
.ascii "main\0" # DW_AT_name
|
||||
.byte 0x1 # DW_AT_decl_file (fission-reread.cc)
|
||||
.byte 0xa # DW_AT_decl_line
|
||||
.4byte .Lcu_int # DW_AT_type
|
||||
.uleb128 0 # DW_AT_low_pc
|
||||
.8byte .LFE0-.LFB0 # DW_AT_high_pc
|
||||
.uleb128 0x1 # DW_AT_frame_base
|
||||
.byte 0x9c # DW_OP_call_frame_cfa
|
||||
.uleb128 0x7 # (DIE (0x9d) DW_TAG_variable)
|
||||
.ascii "baz\0" # DW_AT_name
|
||||
.byte 0x1 # DW_AT_decl_file (fission-reread.cc)
|
||||
.byte 0x7 # DW_AT_decl_line
|
||||
.byte 0x19 # DW_AT_type
|
||||
.byte 0x8b
|
||||
.byte 0x7e
|
||||
.byte 0xac
|
||||
.byte 0xce
|
||||
.byte 0xf1
|
||||
.byte 0x22
|
||||
.byte 0x90
|
||||
# DW_AT_external
|
||||
.uleb128 0x2 # DW_AT_location
|
||||
.byte 0xfb # DW_OP_GNU_addr_index
|
||||
.uleb128 0x1 # (index into .debug_addr)
|
||||
.byte 0 # end of children of DIE 0xb
|
||||
.Lcu_end_dwo:
|
||||
|
||||
.section .debug_info,"",@progbits
|
||||
.Lskeleton_debug_info0:
|
||||
.Lcu_start:
|
||||
.4byte .Lcu_end - .Lcu_start - 4 # Length of Compilation Unit Info
|
||||
.2byte 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)
|
||||
.8byte .Ltext0 # DW_AT_low_pc
|
||||
.8byte .Letext0-.Ltext0 # DW_AT_high_pc
|
||||
.4byte .Ldebug_line0 # DW_AT_stmt_list
|
||||
.ascii "/tmp/src/gdb/testsuite/gdb.dwarf2\0" # DW_AT_comp_dir
|
||||
# Normally dwo_name would be "fission-reread.dwo".
|
||||
# Simplification: Leave the DWO contents in the executable.
|
||||
.ascii "fission-reread\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
|
||||
.byte 0 # DW_AT_GNU_dwo_id
|
||||
.byte 0
|
||||
.byte 0
|
||||
.byte 0
|
||||
.byte 0
|
||||
.byte 0
|
||||
.byte 0
|
||||
.byte 0
|
||||
.Lcu_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 0x11 # (DW_AT_low_pc)
|
||||
.uleb128 0x1 # (DW_FORM_addr)
|
||||
.uleb128 0x12 # (DW_AT_high_pc)
|
||||
.uleb128 0x7 # (DW_FORM_data8)
|
||||
.uleb128 0x10 # (DW_AT_stmt_list)
|
||||
.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)
|
||||
.uleb128 0x2131 # (DW_AT_GNU_dwo_id)
|
||||
.uleb128 0x7 # (DW_FORM_data8)
|
||||
.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 0x41 # (TAG: DW_TAG_type_unit)
|
||||
.byte 0x1 # DW_children_yes
|
||||
.uleb128 0x13 # (DW_AT_language)
|
||||
.uleb128 0xb # (DW_FORM_data1)
|
||||
.uleb128 0x210f # (DW_AT_GNU_odr_signature)
|
||||
.uleb128 0x7 # (DW_FORM_data8)
|
||||
.uleb128 0x10 # (DW_AT_stmt_list)
|
||||
.uleb128 0x17 # (DW_FORM_sec_offset)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x2 # (abbrev code)
|
||||
.uleb128 0x2 # (TAG: DW_TAG_class_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)
|
||||
.uleb128 0x3a # (DW_AT_decl_file)
|
||||
.uleb128 0xb # (DW_FORM_data1)
|
||||
.uleb128 0x3b # (DW_AT_decl_line)
|
||||
.uleb128 0xb # (DW_FORM_data1)
|
||||
.uleb128 0x1 # (DW_AT_sibling)
|
||||
.uleb128 0x13 # (DW_FORM_ref4)
|
||||
.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 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 0x38 # (DW_AT_data_member_location)
|
||||
.uleb128 0xb # (DW_FORM_data1)
|
||||
.uleb128 0x32 # (DW_AT_accessibility)
|
||||
.uleb128 0xb # (DW_FORM_data1)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x4 # (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 0x5 # (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 0x6 # (abbrev code)
|
||||
.uleb128 0x2e # (TAG: DW_TAG_subprogram)
|
||||
.byte 0 # DW_children_no
|
||||
.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 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)
|
||||
.byte 0
|
||||
.byte 0
|
||||
.uleb128 0x7 # (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 0x20 # (DW_FORM_ref_sig8)
|
||||
.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
|
||||
|
||||
/* Manually inserted. */
|
||||
.uleb128 0x8 /* abbrev code */
|
||||
.uleb128 0x2 /* DW_TAG_class_type */
|
||||
.byte 0x0 /* DW_has_children_no */
|
||||
.uleb128 0x47 /* DW_AT_specification */
|
||||
.uleb128 0x13 /* DW_FORM_ref4 */
|
||||
.byte 0x0 /* Terminator */
|
||||
.byte 0x0 /* Terminator */
|
||||
/* End of manual insertion. */
|
||||
|
||||
.byte 0
|
||||
.section .debug_pubnames,"",@progbits
|
||||
.Ldebug_pubnames0:
|
||||
.4byte 0x1f # Length of Public Names Info
|
||||
.2byte 0x2 # DWARF Version
|
||||
.4byte .Lskeleton_debug_info0 # Offset of Compilation Unit Info
|
||||
.4byte 0xb0 # Compilation Unit Length
|
||||
.4byte 0x86 # DIE offset
|
||||
.ascii "main\0" # external name
|
||||
.4byte 0x9d # DIE offset
|
||||
.ascii "baz\0" # external name
|
||||
.4byte 0
|
||||
.section .debug_pubtypes,"",@progbits
|
||||
.Ldebug_pubtypes0:
|
||||
.4byte 0x1e # Length of Public Type Names Info
|
||||
.2byte 0x2 # DWARF Version
|
||||
.4byte .Lskeleton_debug_info0 # Offset of Compilation Unit Info
|
||||
.4byte 0xb0 # Compilation Unit Length
|
||||
.4byte 0x7f # DIE offset
|
||||
.ascii "int\0" # external name
|
||||
.4byte 0x25 # DIE offset
|
||||
.ascii "foo\0" # external name
|
||||
.4byte 0
|
||||
.section .debug_aranges,"",@progbits
|
||||
.4byte 0x2c # Length of Address Ranges Info
|
||||
.2byte 0x2 # DWARF Version
|
||||
.4byte .Lskeleton_debug_info0 # Offset of Compilation Unit Info
|
||||
.byte 0x8 # Size of Address
|
||||
.byte 0 # Size of Segment Descriptor
|
||||
.2byte 0 # Pad to 16 byte boundary
|
||||
.2byte 0
|
||||
.8byte .Ltext0 # Address
|
||||
.8byte .Letext0-.Ltext0 # Length
|
||||
.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:
|
||||
.2byte 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 0xf5 # Line Range Value (Special Opcodes)
|
||||
.byte 0xa # 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 # End directory table
|
||||
.ascii "fission-reread.cc\0" # File Entry: 0x1
|
||||
.uleb128 0
|
||||
.uleb128 0
|
||||
.uleb128 0
|
||||
.byte 0 # End file name table
|
||||
.LELTP0:
|
||||
.LELT0:
|
||||
.section .debug_addr,"",@progbits
|
||||
.Ldebug_addr0:
|
||||
.8byte .LFB0 # DW_AT_low_pc
|
||||
.8byte baz # DW_AT_location
|
||||
|
||||
.section .note.GNU-stack,"",@progbits
|
||||
44
gdb/testsuite/gdb.dwarf2/fission-reread.exp
Normal file
44
gdb/testsuite/gdb.dwarf2/fission-reread.exp
Normal file
@ -0,0 +1,44 @@
|
||||
# Copyright 2012 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
|
||||
}
|
||||
|
||||
set basename "fission-reread"
|
||||
|
||||
standard_testfile .S
|
||||
|
||||
# IWBN to use prepare_for_testing here, but we need to set debug-file-directory
|
||||
# before we load the binary.
|
||||
|
||||
if { [build_executable "$testfile.exp" "$testfile" "$srcfile" {nodebug}] } {
|
||||
return -1
|
||||
}
|
||||
|
||||
gdb_exit
|
||||
gdb_start
|
||||
gdb_reinitialize_dir $srcdir/$subdir
|
||||
# Set debug-file-directory so we find the dwo file.
|
||||
gdb_test_no_output "set debug-file-directory $subdir"
|
||||
gdb_load [standard_output_file $testfile]
|
||||
|
||||
gdb_test "break main" "Breakpoint.*at.*"
|
||||
|
||||
# If we get this far gdb didn't crash, nor did an error occur.
|
||||
pass $testfile
|
||||
Loading…
x
Reference in New Issue
Block a user