| # Test handling of DWARF5 DW_FORM_implicit_const as used by GCC. |
| |
| # RUN: llvm-mc -filetype=obj -o %t -triple x86_64-pc-linux %s |
| # RUN: %lldb %t -o "expression -T -- variable_implicit_const" \ |
| # RUN: -o exit | FileCheck %s |
| |
| # Failing case was: |
| # error: need to add support for DW_TAG_base_type 'int' encoded with DW_ATE = 0x5, bit_size = 0 |
| # CHECK: (int) $0 = 0 |
| |
| .bss |
| .globl variable_implicit_const |
| .type variable_implicit_const, @object |
| .size variable_implicit_const, 4 |
| variable_implicit_const: |
| .long 0 |
| .Lvariable_implicit_const_end: |
| .section .debug_info,"",@progbits |
| .Ldebug_info0: |
| .long .Ldebug_info0_end - .Ldebug_info0_start # Length of Compilation Unit Info |
| .Ldebug_info0_start: |
| .value 0x5 # DWARF version number |
| .byte 0x1 # DW_UT_compile |
| .byte 0x8 # Pointer Size (in bytes) |
| .long .Ldebug_abbrev0 # Offset Into Abbrev. Section |
| .uleb128 0x1 # (DIE DW_TAG_compile_unit) |
| # DW_AT_producer |
| .string "GNU C17 11.0.0 20210210 (Red Hat 11.0.0-0) -mtune=generic -march=x86-64 -g" |
| .byte 0x1d # DW_AT_language |
| # DW_AT_name |
| .string "var4.c" |
| .uleb128 0x2 # (DIE DW_TAG_variable) |
| # DW_AT_name |
| .string "variable_implicit_const" |
| .long .Ltype_int - .Ldebug_info0 # DW_AT_type |
| # DW_AT_external |
| .uleb128 0x9 # DW_AT_location |
| .byte 0x3 # DW_OP_addr |
| .quad variable_implicit_const |
| .Ltype_int: |
| .uleb128 0x3 # (DIE DW_TAG_base_type) |
| # DW_AT_byte_size |
| .byte 0x5 # DW_AT_encoding |
| .ascii "int\0" # DW_AT_name |
| .byte 0 # end of children of DIE DW_TAG_compile_unit |
| .Ldebug_info0_end: |
| .section .debug_abbrev,"",@progbits |
| .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 0 |
| .byte 0 |
| .uleb128 0x2 # (abbrev code) |
| .uleb128 0x34 # (TAG: DW_TAG_variable) |
| .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 0x3f # (DW_AT_external) |
| .uleb128 0x19 # (DW_FORM_flag_present) |
| .uleb128 0x2 # (DW_AT_location) |
| .uleb128 0x18 # (DW_FORM_exprloc) |
| .byte 0 |
| .byte 0 |
| .uleb128 0x3 # (abbrev code) |
| .uleb128 0x24 # (TAG: DW_TAG_base_type) |
| .byte 0 # DW_children_no |
| .uleb128 0xb # (DW_AT_byte_size) |
| .uleb128 0x21 # (DW_FORM_implicit_const) |
| .sleb128 .Lvariable_implicit_const_end - variable_implicit_const |
| .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 0 |
