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- # Copyright 2020-2022 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/>.
- # Test support for non-byte-sized integer base types.
- load_lib dwarf.exp
- # This test can only be run on targets which support DWARF-2 and use gas.
- if {![dwarf2_support]} {
- return 0
- }
- standard_testfile .c .S
- set executable ${testfile}
- set asm_file [standard_output_file ${srcfile2}]
- if [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] {
- return -1
- }
- # Create the DWARF.
- Dwarf::assemble ${asm_file} {
- cu {} {
- DW_TAG_compile_unit {
- {DW_AT_language @DW_LANG_C_plus_plus}
- } {
- declare_labels i7_type u1_type u17_type u31_type \
- u31_1_type u32_0_type u0_0_type be30_1_type
- i7_type: DW_TAG_base_type {
- {DW_AT_encoding @DW_ATE_signed}
- {DW_AT_endianity @DW_END_little}
- {DW_AT_name "i7"}
- {DW_AT_byte_size 2 DW_FORM_udata}
- {DW_AT_bit_size 7 DW_FORM_udata}
- }
- DW_TAG_variable {
- {DW_AT_name "v_i16_m1"}
- {DW_AT_type :${i7_type}}
- {DW_AT_external 1 DW_FORM_flag}
- {DW_AT_location {DW_OP_addr [gdb_target_symbol "i16_m1"]}
- SPECIAL_expr}
- }
- u1_type: DW_TAG_base_type {
- {DW_AT_encoding @DW_ATE_boolean}
- {DW_AT_endianity @DW_END_little}
- {DW_AT_name "u1"}
- {DW_AT_byte_size 2 DW_FORM_udata}
- {DW_AT_bit_size 1 DW_FORM_udata}
- {DW_AT_data_bit_offset 2 DW_FORM_udata}
- }
- DW_TAG_variable {
- {DW_AT_name "v_u16_1"}
- {DW_AT_type :${u1_type}}
- {DW_AT_external 1 DW_FORM_flag}
- {DW_AT_location {DW_OP_addr [gdb_target_symbol "u16_1"]}
- SPECIAL_expr}
- }
- u17_type: DW_TAG_base_type {
- {DW_AT_encoding @DW_ATE_signed}
- {DW_AT_endianity @DW_END_little}
- {DW_AT_name "u17"}
- {DW_AT_byte_size 4 DW_FORM_udata}
- {DW_AT_bit_size 17 DW_FORM_udata}
- }
- DW_TAG_variable {
- {DW_AT_name "v_u32_m2"}
- {DW_AT_type :${u17_type}}
- {DW_AT_external 1 DW_FORM_flag}
- {DW_AT_location {DW_OP_addr [gdb_target_symbol "u32_m2"]}
- SPECIAL_expr}
- }
- u31_type: DW_TAG_base_type {
- {DW_AT_encoding @DW_ATE_unsigned}
- {DW_AT_endianity @DW_END_little}
- {DW_AT_name "u31"}
- {DW_AT_byte_size 4 DW_FORM_udata}
- {DW_AT_bit_size 31 DW_FORM_udata}
- }
- DW_TAG_variable {
- {DW_AT_name "v_u32_1"}
- {DW_AT_type :${u31_type}}
- {DW_AT_external 1 DW_FORM_flag}
- {DW_AT_location {DW_OP_addr [gdb_target_symbol "u32_1"]}
- SPECIAL_expr}
- }
- u31_1_type: DW_TAG_base_type {
- {DW_AT_encoding @DW_ATE_unsigned}
- {DW_AT_endianity @DW_END_little}
- {DW_AT_name "u31_1"}
- {DW_AT_byte_size 4 DW_FORM_udata}
- {DW_AT_bit_size 31 DW_FORM_udata}
- {DW_AT_data_bit_offset 1 DW_FORM_udata}
- }
- DW_TAG_variable {
- {DW_AT_name "v_u32_1_off"}
- {DW_AT_type :${u31_1_type}}
- {DW_AT_external 1 DW_FORM_flag}
- {DW_AT_location {DW_OP_addr [gdb_target_symbol "u32_1_off"]}
- SPECIAL_expr}
- }
- be30_1_type: DW_TAG_base_type {
- {DW_AT_encoding @DW_ATE_unsigned}
- {DW_AT_endianity @DW_END_big}
- {DW_AT_name "be30_1"}
- {DW_AT_byte_size 4 DW_FORM_udata}
- {DW_AT_bit_size 30 DW_FORM_udata}
- {DW_AT_data_bit_offset 1 DW_FORM_udata}
- }
- DW_TAG_variable {
- {DW_AT_name "v_be30_1_off"}
- {DW_AT_type :${be30_1_type}}
- {DW_AT_external 1 DW_FORM_flag}
- {DW_AT_location {DW_OP_addr [gdb_target_symbol "be30_1_off"]}
- SPECIAL_expr}
- }
- u32_0_type: DW_TAG_base_type {
- {DW_AT_encoding @DW_ATE_unsigned}
- {DW_AT_endianity @DW_END_little}
- {DW_AT_name "u32_0"}
- {DW_AT_byte_size 4 DW_FORM_udata}
- {DW_AT_bit_size 0 DW_FORM_udata}
- }
- DW_TAG_variable {
- {DW_AT_name "v_u32_0"}
- {DW_AT_type :${u32_0_type}}
- {DW_AT_external 1 DW_FORM_flag}
- {DW_AT_location {DW_OP_addr [gdb_target_symbol "u32_0"]}
- SPECIAL_expr}
- }
- u0_0_type: DW_TAG_base_type {
- {DW_AT_encoding @DW_ATE_unsigned}
- {DW_AT_endianity @DW_END_little}
- {DW_AT_name "u0_0"}
- {DW_AT_byte_size 0 DW_FORM_udata}
- }
- DW_TAG_variable {
- {DW_AT_name "v_u0_0"}
- {DW_AT_type :${u0_0_type}}
- {DW_AT_external 1 DW_FORM_flag}
- {DW_AT_location {DW_OP_addr [gdb_target_symbol "u32_0"]}
- SPECIAL_expr}
- }
- }
- }
- }
- if {[prepare_for_testing "failed to prepare" ${executable} \
- [list ${asm_file} ${srcfile}] {}]} {
- return -1
- }
- if {![runto_main]} {
- return -1
- }
- gdb_test "print v_i16_m1" "= -1"
- gdb_test "print v_u16_1" "= true"
- gdb_test "print v_u32_m2" "= -2"
- gdb_test "print v_u32_1" "= 1"
- gdb_test "print v_u32_0" "= 0"
- gdb_test "print v_u0_0" "= 0"
- gdb_test "print v_i16_m1 = 7" "= 7"
- gdb_test "print v_i16_m1" "= 7" "print v_i16_m1 after assignment"
- gdb_test "print v_u32_1_off" "= 1"
- gdb_test "print v_u32_1_off = 7" " = 7"
- gdb_test "x/4xb &v_u32_1_off" ":\t0x0e\t0x00\t0x00\t0x00"
- gdb_test "print v_be30_1_off" "= 1"
- gdb_test "print v_be30_1_off = 7" " = 7"
- gdb_test "x/4xb &v_be30_1_off" ":\t0x00\t0x00\t0x00\t0x0e"
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