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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.
140 lines
3.5 KiB
Plaintext
140 lines
3.5 KiB
Plaintext
# Copyright 2021-2022 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 support for DW_LLE_start_end (PR symtab/27999).
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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 func1 and func2.
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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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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 is_64
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# The CU uses the DW_FORM_loclistx form to refer to the .debug_loclists
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# section.
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cu {
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version 5
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is_64 $is_64
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} {
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declare_labels int_type
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DW_TAG_compile_unit {
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{DW_AT_loclists_base cu_table DW_FORM_sec_offset}
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} {
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int_type: DW_TAG_base_type {
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{DW_AT_byte_size 4 DW_FORM_data1}
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{DW_AT_encoding @DW_ATE_signed}
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{DW_AT_name "int"}
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}
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DW_TAG_variable {
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{DW_AT_name "foo"}
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{DW_AT_location 1 DW_FORM_loclistx}
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{DW_AT_type :$int_type}
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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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loclists {is-64 $is_64} {
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# This table is unused, but exists so that the used table is not at
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# the beginning of the section.
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table {} {
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list_ {
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start_end 0x1000 0x2000 { DW_OP_addr 0x100000 }
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}
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}
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# The lists in this table are accessed by index (DW_FORM_rnglistx).
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table {post-header-label cu_table} {
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# This list is unused, but exists to offset the next ones.
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list_ {
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start_end 0x1000 0x2000 { DW_OP_addr 0x100000 }
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}
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# For variable foo.
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list_ {
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# This should not affect the following addresses.
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base_address 0xffff
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# When in func1.
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start_end $func1_addr "$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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# When in func2.
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start_end $func2_addr "$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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}
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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_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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}
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