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clang-p2996/lldb/test/Shell/SymbolFile/DWARF/x86/debug_loc.s
Zequan Wu b74a01a80b Reland "[LLDB][NFC] Decouple dwarf location table from DWARFExpression." 
This reland 227dffd0b6 and
562c3467a6 with failed api tests fixed by keeping
function base file addres in DWARFExpressionList.
2022-07-12 10:54:24 -07:00

265 lines
11 KiB
ArmAsm
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# 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".
# 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: %lldb %t -o "image lookup -v -a 0 -show-variable-ranges" -o \
# RUN: "image lookup -v -a 2 -show-variable-ranges" \
# RUN: -o exit | FileCheck %s --check-prefix=ALL-RANGES
# 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
# ALL-RANGES-LABEL: image lookup -v -a 0 -show-variable-ranges
# ALL-RANGES: Variable: id = {{.*}}, name = "x0", type = "int", valid ranges = <block>, location = [0x0000000000000000, 0x0000000000000001) -> DW_OP_reg5 RDI, [0x0000000000000001, 0x0000000000000006) -> DW_OP_reg0 RAX
# ALL-RANGES: Variable: id = {{.*}}, name = "x1", type = "int", valid ranges = <block>, location = <empty>
# ALL-RANGES-LABEL: image lookup -v -a 2 -show-variable-ranges
# ALL-RANGES: Variable: id = {{.*}}, name = "x0", type = "int", valid ranges = <block>, location = [0x0000000000000000, 0x0000000000000001) -> DW_OP_reg5 RDI, [0x0000000000000001, 0x0000000000000006) -> DW_OP_reg0 RAX
# ALL-RANGES: Variable: id = {{.*}}, name = "x1", type = "int", valid ranges = <block>, location = <empty>
# ALL-RANGES: Variable: id = {{.*}}, name = "x3", type = "int", valid ranges = <block>, location = [0x0000000000000002, 0x0000000000000003) -> DW_OP_reg1 RDX
# CHECK-LABEL: image lookup -v -a 0
# CHECK: Variable: {{.*}}, name = "x0", type = "int", valid ranges = <block>, location = [0x0000000000000000, 0x0000000000000001) -> DW_OP_reg5 RDI
# CHECK: Variable: {{.*}}, name = "x1", type = "int", valid ranges = <block>, location = <empty>,
# CHECK-LABEL: image lookup -v -a 2
# CHECK: Variable: {{.*}}, name = "x0", type = "int", valid ranges = <block>, location = [0x0000000000000001, 0x0000000000000006) -> DW_OP_reg0 RAX
# CHECK: Variable: {{.*}}, name = "x1", type = "int", valid ranges = <block>, location = <empty>,
# CHECK: Variable: {{.*}}, name = "x3", type = "int", valid ranges = <block>, location = [0x0000000000000002, 0x0000000000000003) -> 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
# CHECK: Variable{{.*}}, name = "x3", {{.*}}, scope = parameter, location =
# CHECK-NEXT: [0x0000000000000002, 0x0000000000000003): DW_OP_reg1 RDX
# LOCLISTS: Variable{{.*}}, name = "x4", {{.*}}, scope = parameter
# LOCLISTS-EMPTY:
.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:
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