| # This tests that lldb is compatible with DWARF-4 entry values GNU extension |
| # with DW_TAG_GNU_call_site attributes order as produced by GCC: |
| # 0x000000b1: DW_TAG_GNU_call_site |
| # DW_AT_low_pc (0x000000000040111e) |
| # DW_AT_abstract_origin (0x000000cc "a") |
| # clang produces the attributes in opposite order: |
| # 0x00000064: DW_TAG_GNU_call_site |
| # DW_AT_abstract_origin (0x0000002a "a") |
| # DW_AT_low_pc (0x0000000000401146) |
| |
| # REQUIRES: target-x86_64, system-linux, lld |
| |
| # RUN: %clang_host -o %t %s |
| # RUN: %lldb %t -o r -o 'p p' -o exit | FileCheck %s |
| |
| # CHECK: (int) $0 = 1 |
| |
| # The DWARF has been produced and modified from: |
| # static __attribute__((noinline, noclone)) void b(int x) { |
| # asm(""); |
| # } |
| # static __attribute__((noinline, noclone)) void a(int p) { |
| # b(2); |
| # } |
| # int main() { |
| # a(1); |
| # return 0; |
| # } |
| |
| .text |
| .Ltext0: |
| .type b, @function |
| b: |
| .cfi_startproc |
| ret |
| .cfi_endproc |
| .size b, .-b |
| .type a, @function |
| a: |
| .LVL1: |
| .LFB1: |
| .cfi_startproc |
| movl $2, %edi |
| .LVL2: |
| call b |
| int3 |
| ret |
| .cfi_endproc |
| .LFE1: |
| .size a, .-a |
| .globl main |
| .type main, @function |
| main: |
| .LFB2: |
| .cfi_startproc |
| movl $1, %edi |
| call a |
| .LVL4: |
| movl $0, %eax |
| ret |
| .cfi_endproc |
| .LFE2: |
| .size main, .-main |
| .Letext0: |
| .section .debug_info,"",@progbits |
| .Ldebug_info0: |
| .long .Ldebuginfo_end - .Ldebuginfo_start # Length of Compilation Unit Info |
| .Ldebuginfo_start: |
| .value 0x4 # DWARF version number |
| .long .Ldebug_abbrev0 # Offset Into Abbrev. Section |
| .byte 0x8 # Pointer Size (in bytes) |
| .uleb128 0x1 # (DIE (0xb) DW_TAG_compile_unit) |
| .asciz "GNU C17 10.1.1 20200507 (Red Hat 10.1.1-1) -mtune=generic -march=x86-64 -g -Og" # DW_AT_producer: "GNU C17 10.1.1 20200507 (Red Hat 10.1.1-1) -mtune=generic -march=x86-64 -g -Og" |
| .byte 0xc # DW_AT_language |
| .asciz "DW_TAG_GNU_call_site-DW_AT_low_pc.c" # DW_AT_name |
| .asciz "" # DW_AT_comp_dir: "/home/jkratoch/t" |
| .quad .Ltext0 # DW_AT_low_pc |
| .quad .Letext0-.Ltext0 # DW_AT_high_pc |
| .uleb128 0x2 # (DIE (0x2d) DW_TAG_subprogram) |
| # DW_AT_external |
| .asciz "main" # DW_AT_name: "main" |
| .long .Ltype_int - .Ldebug_info0 # DW_AT_type |
| .quad .LFB2 # DW_AT_low_pc |
| .quad .LFE2-.LFB2 # DW_AT_high_pc |
| .uleb128 0x1 # DW_AT_frame_base |
| .byte 0x9c # DW_OP_call_frame_cfa |
| # DW_AT_GNU_all_call_sites |
| .uleb128 0x3 # (DIE (0x4f) DW_TAG_GNU_call_site) |
| .quad .LVL4 # DW_AT_low_pc |
| .long .Lfunc_a - .Ldebug_info0 # DW_AT_abstract_origin |
| .uleb128 0x4 # (DIE (0x5c) DW_TAG_GNU_call_site_parameter) |
| .uleb128 0x1 # DW_AT_location |
| .byte 0x55 # DW_OP_reg5 |
| .uleb128 0x1 # DW_AT_GNU_call_site_value |
| .byte 0x31 # DW_OP_lit1 |
| .byte 0 # end of children of DIE 0x4f |
| .byte 0 # end of children of DIE 0x2d |
| .Ltype_int: |
| .uleb128 0x5 # (DIE (0x63) DW_TAG_base_type) |
| .byte 0x4 # DW_AT_byte_size |
| .byte 0x5 # DW_AT_encoding |
| .asciz "int" # DW_AT_name |
| .Lfunc_a: |
| .uleb128 0x6 # (DIE (0x6a) DW_TAG_subprogram) |
| .asciz "a" # DW_AT_name |
| # DW_AT_prototyped |
| .quad .LFB1 # DW_AT_low_pc |
| .quad .LFE1-.LFB1 # DW_AT_high_pc |
| .uleb128 0x1 # DW_AT_frame_base |
| .byte 0x9c # DW_OP_call_frame_cfa |
| # DW_AT_GNU_all_call_sites |
| .uleb128 0x7 # (DIE (0x86) DW_TAG_formal_parameter) |
| .asciz "p" # DW_AT_name |
| .long .Ltype_int - .Ldebug_info0 # DW_AT_type |
| .long .LLST0 # DW_AT_location |
| .byte 0 # end of children of DIE 0x6a |
| .byte 0 # end of children of DIE 0xb |
| .Ldebuginfo_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) |
| .uleb128 0x1b # (DW_AT_comp_dir) |
| .uleb128 0x8 # (DW_FORM_string) |
| .uleb128 0x11 # (DW_AT_low_pc) |
| .uleb128 0x1 # (DW_FORM_addr) |
| .uleb128 0x12 # (DW_AT_high_pc) |
| .uleb128 0x7 # (DW_FORM_data8) |
| .byte 0 |
| .byte 0 |
| .uleb128 0x2 # (abbrev code) |
| .uleb128 0x2e # (TAG: DW_TAG_subprogram) |
| .byte 0x1 # DW_children_yes |
| .uleb128 0x3f # (DW_AT_external) |
| .uleb128 0x19 # (DW_FORM_flag_present) |
| .uleb128 0x3 # (DW_AT_name) |
| .uleb128 0x8 # (DW_FORM_string) |
| .uleb128 0x49 # (DW_AT_type) |
| .uleb128 0x13 # (DW_FORM_ref4) |
| .uleb128 0x11 # (DW_AT_low_pc) |
| .uleb128 0x1 # (DW_FORM_addr) |
| .uleb128 0x12 # (DW_AT_high_pc) |
| .uleb128 0x7 # (DW_FORM_data8) |
| .uleb128 0x40 # (DW_AT_frame_base) |
| .uleb128 0x18 # (DW_FORM_exprloc) |
| .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) |
| .uleb128 0x19 # (DW_FORM_flag_present) |
| .byte 0 |
| .byte 0 |
| .uleb128 0x3 # (abbrev code) |
| .uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site) |
| .byte 0x1 # DW_children_yes |
| .uleb128 0x11 # (DW_AT_low_pc) |
| .uleb128 0x1 # (DW_FORM_addr) |
| .uleb128 0x31 # (DW_AT_abstract_origin) |
| .uleb128 0x13 # (DW_FORM_ref4) |
| .byte 0 |
| .byte 0 |
| .uleb128 0x4 # (abbrev code) |
| .uleb128 0x410a # (TAG: DW_TAG_GNU_call_site_parameter) |
| .byte 0 # DW_children_no |
| .uleb128 0x2 # (DW_AT_location) |
| .uleb128 0x18 # (DW_FORM_exprloc) |
| .uleb128 0x2111 # (DW_AT_GNU_call_site_value) |
| .uleb128 0x18 # (DW_FORM_exprloc) |
| .byte 0 |
| .byte 0 |
| .uleb128 0x5 # (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 0x6 # (abbrev code) |
| .uleb128 0x2e # (TAG: DW_TAG_subprogram) |
| .byte 0x1 # DW_children_yes |
| .uleb128 0x3 # (DW_AT_name) |
| .uleb128 0x8 # (DW_FORM_string) |
| .uleb128 0x27 # (DW_AT_prototyped) |
| .uleb128 0x19 # (DW_FORM_flag_present) |
| .uleb128 0x11 # (DW_AT_low_pc) |
| .uleb128 0x1 # (DW_FORM_addr) |
| .uleb128 0x12 # (DW_AT_high_pc) |
| .uleb128 0x7 # (DW_FORM_data8) |
| .uleb128 0x40 # (DW_AT_frame_base) |
| .uleb128 0x18 # (DW_FORM_exprloc) |
| .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) |
| .uleb128 0x19 # (DW_FORM_flag_present) |
| .byte 0 |
| .byte 0 |
| .uleb128 0x7 # (abbrev code) |
| .uleb128 0x5 # (TAG: DW_TAG_formal_parameter) |
| .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 0x2 # (DW_AT_location) |
| .uleb128 0x17 # (DW_FORM_sec_offset) |
| .byte 0 |
| .byte 0 |
| .byte 0 |
| .section .debug_loc,"",@progbits |
| .LLST0: |
| .quad .LVL1-.Ltext0 # Location list begin address (*.LLST0) |
| .quad .LVL2-.Ltext0 # Location list end address (*.LLST0) |
| .value 0x1 # Location expression size |
| .byte 0x55 # DW_OP_reg5 |
| .quad .LVL2-.Ltext0 # Location list begin address (*.LLST0) |
| .quad .LFE1-.Ltext0 # Location list end address (*.LLST0) |
| .value 0x4 # Location expression size |
| .byte 0xf3 # DW_OP_GNU_entry_value |
| .uleb128 0x1 |
| .byte 0x55 # DW_OP_reg5 |
| .byte 0x9f # DW_OP_stack_value |
| .quad 0 # Location list terminator begin (*.LLST0) |
| .quad 0 # Location list terminator end (*.LLST0) |
| .section .note.GNU-stack,"",@progbits |
