| # Test location list handling, including the cases of invalid input. The exact |
| # behavior in the invalid cases is not particularly important, but it should be |
| # "reasonable". |
| |
| # REQUIRES: x86 |
| # UNSUPPORTED: lldb-repro |
| |
| # RUN: llvm-mc -triple=x86_64-pc-linux -filetype=obj %s --defsym LOC=0 > %t |
| # RUN: %lldb %t -o "image lookup -v -a 0" -o "image lookup -v -a 2" \ |
| # RUN: -o "image dump symfile" -o exit | FileCheck %s |
| |
| # RUN: llvm-mc -triple=x86_64-pc-linux -filetype=obj %s --defsym LOCLISTS=0 > %t |
| # RUN: %lldb %t -o "image lookup -v -a 0" -o "image lookup -v -a 2" \ |
| # RUN: -o "image dump symfile" -o exit | FileCheck %s --check-prefix=CHECK --check-prefix=LOCLISTS |
| |
| # CHECK-LABEL: image lookup -v -a 0 |
| # CHECK: Variable: {{.*}}, name = "x0", type = "int", location = DW_OP_reg5 RDI, |
| # CHECK: Variable: {{.*}}, name = "x1", type = "int", location = , |
| |
| # CHECK-LABEL: image lookup -v -a 2 |
| # CHECK: Variable: {{.*}}, name = "x0", type = "int", location = DW_OP_reg0 RAX, |
| # CHECK: Variable: {{.*}}, name = "x1", type = "int", location = , |
| # CHECK: Variable: {{.*}}, name = "x3", type = "int", location = DW_OP_reg1 RDX, |
| |
| # CHECK-LABEL: image dump symfile |
| # CHECK: CompileUnit{0x00000000} |
| # CHECK: Function{ |
| # CHECK: Variable{{.*}}, name = "x0", {{.*}}, scope = parameter, location = |
| # CHECK-NEXT: [0x0000000000000000, 0x0000000000000001): DW_OP_reg5 RDI |
| # CHECK-NEXT: [0x0000000000000001, 0x0000000000000006): DW_OP_reg0 RAX |
| # CHECK: Variable{{.*}}, name = "x1", {{.*}}, scope = parameter |
| # CHECK: Variable{{.*}}, name = "x2", {{.*}}, scope = parameter, location = 0x00000000: error: unexpected end of data |
| # CHECK: Variable{{.*}}, name = "x3", {{.*}}, scope = parameter, location = |
| # CHECK-NEXT: [0x0000000000000002, 0x0000000000000003): DW_OP_reg1 RDX |
| # LOCLISTS: Variable{{.*}}, name = "x4", {{.*}}, scope = parameter, location = |
| # LOCLISTS-NEXT: DW_LLE_startx_length (0x000000000000dead, 0x0000000000000001): DW_OP_reg2 RCX |
| |
| .ifdef LOC |
| .macro OFFSET_PAIR lo hi |
| .quad \lo |
| .quad \hi |
| .endm |
| |
| .macro BASE_ADDRESS base |
| .quad -1 |
| .quad \base |
| .endm |
| |
| .macro EXPR_SIZE sz |
| .short \sz |
| .endm |
| |
| .macro END_OF_LIST |
| .quad 0 |
| .quad 0 |
| .endm |
| .endif |
| |
| .ifdef LOCLISTS |
| .macro OFFSET_PAIR lo hi |
| .byte 4 # DW_LLE_offset_pair |
| .uleb128 \lo |
| .uleb128 \hi |
| .endm |
| |
| .macro BASE_ADDRESS base |
| .byte 6 # DW_LLE_base_address |
| .quad \base |
| .endm |
| |
| .macro EXPR_SIZE sz |
| .uleb128 \sz |
| .endm |
| |
| .macro END_OF_LIST |
| .byte 0 # DW_LLE_end_of_list |
| .endm |
| .endif |
| |
| .type f,@function |
| f: # @f |
| .Lfunc_begin0: |
| nop |
| .Ltmp0: |
| nop |
| .Ltmp1: |
| nop |
| .Ltmp2: |
| nop |
| .Ltmp3: |
| nop |
| .Ltmp4: |
| nop |
| .Lfunc_end0: |
| .size f, .Lfunc_end0-f |
| |
| .section .debug_str,"MS",@progbits,1 |
| .Linfo_string0: |
| .asciz "Hand-written DWARF" |
| .Linfo_string3: |
| .asciz "f" |
| .Linfo_string4: |
| .asciz "int" |
| |
| .ifdef LOC |
| .section .debug_loc,"",@progbits |
| .endif |
| .ifdef LOCLISTS |
| .section .debug_loclists,"",@progbits |
| .long .Ldebug_loclist_table_end0-.Ldebug_loclist_table_start0 # Length |
| .Ldebug_loclist_table_start0: |
| .short 5 # Version |
| .byte 8 # Address size |
| .byte 0 # Segment selector size |
| .long 0 # Offset entry count |
| .endif |
| .Ldebug_loc0: |
| OFFSET_PAIR .Lfunc_begin0-.Lfunc_begin0, .Ltmp0-.Lfunc_begin0 |
| EXPR_SIZE 1 |
| .byte 85 # super-register DW_OP_reg5 |
| OFFSET_PAIR .Ltmp0-.Lfunc_begin0, .Lfunc_end0-.Lfunc_begin0 |
| EXPR_SIZE 1 |
| .byte 80 # super-register DW_OP_reg0 |
| END_OF_LIST |
| |
| .Ldebug_loc3: |
| BASE_ADDRESS .Ltmp1 |
| OFFSET_PAIR .Ltmp1-.Ltmp1, .Ltmp2-.Ltmp1 |
| EXPR_SIZE 1 |
| .byte 81 # super-register DW_OP_reg1 |
| END_OF_LIST |
| |
| .ifdef LOCLISTS |
| .Ldebug_loc4: |
| .byte 3 # DW_LLE_startx_length |
| .uleb128 0xdead |
| .uleb128 1 |
| EXPR_SIZE 1 |
| .byte 82 # super-register DW_OP_reg2 |
| END_OF_LIST |
| .endif |
| |
| .Ldebug_loc2: |
| OFFSET_PAIR .Lfunc_begin0-.Lfunc_begin0, .Lfunc_end0-.Lfunc_begin0 |
| EXPR_SIZE 0xdead |
| .Ldebug_loclist_table_end0: |
| |
| .section .debug_abbrev,"",@progbits |
| .byte 1 # Abbreviation Code |
| .byte 17 # DW_TAG_compile_unit |
| .byte 1 # DW_CHILDREN_yes |
| .byte 37 # DW_AT_producer |
| .byte 14 # DW_FORM_strp |
| .byte 19 # DW_AT_language |
| .byte 5 # DW_FORM_data2 |
| .byte 17 # DW_AT_low_pc |
| .byte 1 # DW_FORM_addr |
| .byte 18 # DW_AT_high_pc |
| .byte 6 # DW_FORM_data4 |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 2 # Abbreviation Code |
| .byte 46 # DW_TAG_subprogram |
| .byte 1 # DW_CHILDREN_yes |
| .byte 17 # DW_AT_low_pc |
| .byte 1 # DW_FORM_addr |
| .byte 18 # DW_AT_high_pc |
| .byte 6 # DW_FORM_data4 |
| .byte 3 # DW_AT_name |
| .byte 14 # DW_FORM_strp |
| .byte 73 # DW_AT_type |
| .byte 19 # DW_FORM_ref4 |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 3 # Abbreviation Code |
| .byte 5 # DW_TAG_formal_parameter |
| .byte 0 # DW_CHILDREN_no |
| .byte 2 # DW_AT_location |
| .byte 23 # DW_FORM_sec_offset |
| .byte 3 # DW_AT_name |
| .byte 8 # DW_FORM_string |
| .byte 73 # DW_AT_type |
| .byte 19 # DW_FORM_ref4 |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 4 # Abbreviation Code |
| .byte 36 # DW_TAG_base_type |
| .byte 0 # DW_CHILDREN_no |
| .byte 3 # DW_AT_name |
| .byte 14 # DW_FORM_strp |
| .byte 62 # DW_AT_encoding |
| .byte 11 # DW_FORM_data1 |
| .byte 11 # DW_AT_byte_size |
| .byte 11 # DW_FORM_data1 |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 0 # EOM(3) |
| |
| .section .debug_info,"",@progbits |
| .Lcu_begin0: |
| .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit |
| .Ldebug_info_start0: |
| .ifdef LOC |
| .short 4 # DWARF version number |
| .long .debug_abbrev # Offset Into Abbrev. Section |
| .byte 8 # Address Size (in bytes) |
| .endif |
| .ifdef LOCLISTS |
| .short 5 # DWARF version number |
| .byte 1 # DWARF Unit Type |
| .byte 8 # Address Size (in bytes) |
| .long .debug_abbrev # Offset Into Abbrev. Section |
| .endif |
| .byte 1 # Abbrev [1] 0xb:0x50 DW_TAG_compile_unit |
| .long .Linfo_string0 # DW_AT_producer |
| .short 12 # DW_AT_language |
| .quad .Lfunc_begin0 # DW_AT_low_pc |
| .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc |
| .byte 2 # Abbrev [2] 0x2a:0x29 DW_TAG_subprogram |
| .quad .Lfunc_begin0 # DW_AT_low_pc |
| .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc |
| .long .Linfo_string3 # DW_AT_name |
| .long .Lint # DW_AT_type |
| .byte 3 # Abbrev [3] DW_TAG_formal_parameter |
| .long .Ldebug_loc0 # DW_AT_location |
| .asciz "x0" # DW_AT_name |
| .long .Lint-.Lcu_begin0 # DW_AT_type |
| .byte 3 # Abbrev [3] DW_TAG_formal_parameter |
| .long 0xdeadbeef # DW_AT_location |
| .asciz "x1" # DW_AT_name |
| .long .Lint-.Lcu_begin0 # DW_AT_type |
| .byte 3 # Abbrev [3] DW_TAG_formal_parameter |
| .long .Ldebug_loc2 # DW_AT_location |
| .asciz "x2" # DW_AT_name |
| .long .Lint-.Lcu_begin0 # DW_AT_type |
| .byte 3 # Abbrev [3] DW_TAG_formal_parameter |
| .long .Ldebug_loc3 # DW_AT_location |
| .asciz "x3" # DW_AT_name |
| .long .Lint-.Lcu_begin0 # DW_AT_type |
| .ifdef LOCLISTS |
| .byte 3 # Abbrev [3] DW_TAG_formal_parameter |
| .long .Ldebug_loc4 # DW_AT_location |
| .asciz "x4" # DW_AT_name |
| .long .Lint-.Lcu_begin0 # DW_AT_type |
| .endif |
| .byte 0 # End Of Children Mark |
| .Lint: |
| .byte 4 # Abbrev [4] 0x53:0x7 DW_TAG_base_type |
| .long .Linfo_string4 # DW_AT_name |
| .byte 5 # DW_AT_encoding |
| .byte 4 # DW_AT_byte_size |
| .byte 0 # End Of Children Mark |
| .Ldebug_info_end0: |
