mirror of
https://sourceware.org/git/binutils-gdb.git
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4a94e36819
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
261 lines
6.5 KiB
Plaintext
261 lines
6.5 KiB
Plaintext
# Copyright 2020-2022 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Test DW_AT_location attributes referencing the .debug_loclists section using
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# the DW_FORM_sec_offset form.
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load_lib dwarf.exp
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if {![dwarf2_support]} {
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return 0
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}
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# Test with 32-bit and 64-bit DWARF.
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foreach_with_prefix is_64 {false true} {
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if { $is_64 } {
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standard_testfile .c -dw64.S
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set testfile ${testfile}-dw64
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} else {
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standard_testfile .c -dw32.S
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set testfile ${testfile}-dw32
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}
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# Get the addresses / lengths of functions.
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lassign [function_range func1 $srcdir/$subdir/$srcfile] func1_addr func1_len
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lassign [function_range func2 $srcdir/$subdir/$srcfile] func2_addr func2_len
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lassign [function_range func3 $srcdir/$subdir/$srcfile] func3_addr func3_len
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lassign [function_range func4 $srcdir/$subdir/$srcfile] func4_addr func4_len
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lassign [function_range func5 $srcdir/$subdir/$srcfile] func5_addr func5_len
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lassign [function_range func6 $srcdir/$subdir/$srcfile] func6_addr func6_len
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set asm_file [standard_output_file $srcfile2]
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Dwarf::assemble $asm_file {
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global func1_addr func1_len
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global func2_addr func2_len
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global func3_addr func3_len
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global func4_addr func4_len
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global func5_addr func5_len
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global func6_addr func6_len
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global is_64
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declare_labels cu_range_list foo_range_list
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# This CU uses the DW_FORM_sec_offset form to refer to the .debug_rnglists
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# section.
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cu {
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version 5
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is_64 $is_64
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} {
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declare_labels int_type1
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declare_labels int_type2
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declare_labels int_type3
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declare_labels foo_location_list
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declare_labels bar_location_list
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declare_labels baz_location_list
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DW_TAG_compile_unit {
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} {
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int_type1: DW_TAG_base_type {
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{DW_AT_byte_size 4 DW_FORM_data1}
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{DW_AT_encoding @DW_ATE_signed}
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{DW_AT_name "int"}
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}
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DW_TAG_variable {
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{DW_AT_name "foo"}
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{DW_AT_location $foo_location_list DW_FORM_sec_offset}
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{DW_AT_type :$int_type1}
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}
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DW_TAG_subprogram {
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{DW_AT_name "func1"}
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{DW_AT_low_pc $func1_addr}
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{DW_AT_high_pc $func1_len DW_FORM_udata}
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}
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DW_TAG_subprogram {
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{DW_AT_name "func2"}
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{DW_AT_low_pc $func2_addr}
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{DW_AT_high_pc $func2_len DW_FORM_udata}
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}
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}
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}
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# This CU uses the DW_FORM_sec_offset form to refer to the
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# .debug_loclists section, but also has the DW_AT_loclists_base
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# attribute present. The DW_AT_loclists_base is not used to interpret
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# the DW_AT_location value, but it should also do no harm.
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cu {
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version 5
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is_64 $is_64
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} {
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DW_TAG_compile_unit {
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{DW_AT_loclists_base cu2_table DW_FORM_sec_offset}
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} {
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int_type2: DW_TAG_base_type {
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{DW_AT_byte_size 4 DW_FORM_data1}
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{DW_AT_encoding @DW_ATE_signed}
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{DW_AT_name "int"}
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}
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DW_TAG_variable {
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{DW_AT_name "bar"}
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{DW_AT_location $bar_location_list DW_FORM_sec_offset}
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{DW_AT_type :$int_type2}
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}
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DW_TAG_subprogram {
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{DW_AT_name "func3"}
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{DW_AT_low_pc $func3_addr}
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{DW_AT_high_pc $func3_len DW_FORM_udata}
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}
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DW_TAG_subprogram {
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{DW_AT_name "func4"}
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{DW_AT_low_pc $func4_addr}
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{DW_AT_high_pc $func4_len DW_FORM_udata}
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}
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}
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}
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# This CU uses the DW_FORM_sec_offset form to refer to the
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# .debug_loclists section. The corresponding contribution in the
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# .debug_loclists section has no offset array.
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cu {
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version 5
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is_64 $is_64
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} {
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DW_TAG_compile_unit {
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} {
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int_type3: DW_TAG_base_type {
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{DW_AT_byte_size 4 DW_FORM_data1}
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{DW_AT_encoding @DW_ATE_signed}
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{DW_AT_name "int"}
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}
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DW_TAG_variable {
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{DW_AT_name "baz"}
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{DW_AT_location $baz_location_list DW_FORM_sec_offset}
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{DW_AT_type :$int_type3}
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}
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DW_TAG_subprogram {
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{DW_AT_name "func5"}
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{DW_AT_low_pc $func5_addr}
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{DW_AT_high_pc $func5_len DW_FORM_udata}
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}
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DW_TAG_subprogram {
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{DW_AT_name "func6"}
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{DW_AT_low_pc $func6_addr}
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{DW_AT_high_pc $func6_len DW_FORM_udata}
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}
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}
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}
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loclists {is-64 $is_64} {
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# The lists in this table are accessed by direct offset
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# (DW_FORM_sec_offset).
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table {} {
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foo_location_list: list_ {
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start_length $func1_addr $func1_len {
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DW_OP_constu 0x123456
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DW_OP_stack_value
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}
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start_length $func2_addr $func2_len {
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DW_OP_constu 0x234567
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DW_OP_stack_value
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}
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}
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}
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table {post-header-label cu2_table} {
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bar_location_list: list_ {
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start_length $func3_addr $func3_len {
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DW_OP_constu 0x345678
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DW_OP_stack_value
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}
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start_length $func4_addr $func4_len {
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DW_OP_constu 0x456789
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DW_OP_stack_value
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}
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}
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}
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table {with-offset-array false} {
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baz_location_list: list_ {
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start_length $func5_addr $func5_len {
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DW_OP_constu 0x567890
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DW_OP_stack_value
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}
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start_length $func6_addr $func6_len {
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DW_OP_constu 0x678901
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DW_OP_stack_value
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}
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}
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}
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}
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}
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if { [prepare_for_testing "failed to prepare" ${testfile} \
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[list $srcfile $asm_file] {nodebug}] } {
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return -1
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}
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if { ![runto_main] } {
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return
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}
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gdb_breakpoint "func1"
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gdb_breakpoint "func2"
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gdb_breakpoint "func3"
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gdb_breakpoint "func4"
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gdb_breakpoint "func5"
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gdb_breakpoint "func6"
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gdb_continue_to_breakpoint "func1"
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with_test_prefix "at func1" {
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gdb_test "print /x foo" " = 0x123456"
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}
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gdb_continue_to_breakpoint "func2"
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with_test_prefix "at func2" {
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gdb_test "print /x foo" " = 0x234567"
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}
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gdb_continue_to_breakpoint "func3"
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with_test_prefix "at func3" {
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gdb_test "print /x bar" " = 0x345678"
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}
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gdb_continue_to_breakpoint "func4"
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with_test_prefix "at func4" {
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gdb_test "print /x bar" " = 0x456789"
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}
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gdb_continue_to_breakpoint "func5"
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with_test_prefix "at func5" {
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gdb_test "print /x baz" " = 0x567890"
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}
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gdb_continue_to_breakpoint "func6"
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with_test_prefix "at func6" {
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gdb_test "print /x baz" " = 0x678901"
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}
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}
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