# 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 # 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 = # CHECK-NEXT: 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 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 .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: