/
dwp.s
261 lines (239 loc) · 11.6 KB
/
dwp.s
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# RUN: llvm-mc --filetype=obj --triple x86_64-pc-linux %s -o %t --defsym MAIN=0
# RUN: llvm-mc --filetype=obj --triple x86_64-pc-linux %s -o %t.dwp --defsym DWP=0
# RUN: %lldb %t -o "target variable A" -o "image lookup -v -n F1" -b | FileCheck %s
# RUN: lldb-test symbols %t | FileCheck %s --check-prefix=SYMBOLS
# CHECK-LABEL: target variable A
# CHECK: (INT0) A = 0
# CHECK: (INT1) A = 1
# CHECK: (INT2) A = 2
# CHECK: (INT3) A = 3
# CHECK-LABEL: image lookup -v -n F1
# CHECK: CompileUnit: id = {0x00000001}, file = "1.c", language = "<not loaded>"
# CHECK: Function: {{.*}}, name = "F1", range = [0x0000000000000001-0x0000000000000002)
# CHECK: Variable: {{.*}}, name = "x", type = "int", location = DW_OP_reg1 RDX
# SYMBOLS: Compile units:
# SYMBOLS-NEXT: CompileUnit{0x00000000}, language = "<not loaded>", file = '0.c'
# SYMBOLS-NEXT: Variable{{.*}}, name = "A", {{.*}}, location = DW_OP_GNU_addr_index 0x0
# SYMBOLS-NEXT: Function{{.*}}, demangled = F0
# SYMBOLS-NEXT: Block{{.*}}, ranges = [0x00000000-0x00000001)
# SYMBOLS-NEXT: Variable{{.*}}, name = "x", {{.*}}, location =
# SYMBOLS-NEXT: DW_LLE_startx_length (0x0000000000000001, 0x0000000000000001): DW_OP_reg0 RAX
# SYMBOLS-EMPTY:
# SYMBOLS-NEXT: CompileUnit{0x00000001}, language = "<not loaded>", file = '1.c'
# SYMBOLS-NEXT: Variable{{.*}}, name = "A", {{.*}}, location = DW_OP_GNU_addr_index 0x2
# SYMBOLS-NEXT: Function{{.*}}, demangled = F1
# SYMBOLS-NEXT: Block{{.*}}, ranges = [0x00000001-0x00000002)
# SYMBOLS-NEXT: Variable{{.*}}, name = "x", {{.*}}, location =
# SYMBOLS-NEXT: DW_LLE_startx_length (0x0000000000000003, 0x0000000000000001): DW_OP_reg1 RDX
# SYMBOLS-EMPTY:
# SYMBOLS-NEXT: CompileUnit{0x00000002}, language = "<not loaded>", file = '2.c'
# SYMBOLS-NEXT: Variable{{.*}}, name = "A", {{.*}}, location = DW_OP_GNU_addr_index 0x4
# SYMBOLS-NEXT: Function{{.*}}, demangled = F2
# SYMBOLS-NEXT: Block{{.*}}, ranges = [0x00000002-0x00000003)
# SYMBOLS-NEXT: Variable{{.*}}, name = "x", {{.*}}, location =
# SYMBOLS-NEXT: DW_LLE_startx_length (0x0000000000000005, 0x0000000000000001): DW_OP_reg2 RCX
# SYMBOLS-EMPTY:
# SYMBOLS-NEXT: CompileUnit{0x00000003}, language = "<not loaded>", file = '3.c'
# SYMBOLS-NEXT: Variable{{.*}}, name = "A", {{.*}}, location = DW_OP_GNU_addr_index 0x6
# SYMBOLS-NEXT: Function{{.*}}, demangled = F3
# SYMBOLS-NEXT: Block{{.*}}, ranges = [0x00000003-0x00000004)
# SYMBOLS-NEXT: Variable{{.*}}, name = "x", {{.*}}, location =
# SYMBOLS-NEXT: DW_LLE_startx_length (0x0000000000000007, 0x0000000000000001): DW_OP_reg3 RBX
# SYMBOLS-EMPTY:
# SYMBOLS-NEXT: CompileUnit{0x00000004}, language = "<not loaded>", file = ''
# SYMBOLS-EMPTY:
.section .debug_abbrev,"",@progbits
.byte 1 # Abbreviation Code
.byte 17 # DW_TAG_compile_unit
.byte 0 # DW_CHILDREN_no
.ascii "\260B" # DW_AT_GNU_dwo_name
.byte 8 # DW_FORM_string
.ascii "\261B" # DW_AT_GNU_dwo_id
.byte 7 # DW_FORM_data8
.ascii "\263B" # DW_AT_GNU_addr_base
.byte 23 # DW_FORM_sec_offset
.byte 85 # DW_AT_ranges
.byte 23 # DW_FORM_sec_offset
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 0 # EOM(3)
.ifdef MAIN
.irpc I,01234
.data
A\I:
.long \I
.text
F\I:
nop
.section .debug_info,"",@progbits
.Lcu_begin\I:
.long .Ldebug_info_end\I-.Ldebug_info_start\I # Length of Unit
.Ldebug_info_start\I:
.short 4 # DWARF version number
.long .debug_abbrev # Offset Into Abbrev. Section
.byte 8 # Address Size (in bytes)
.byte 1 # Abbrev [1] 0xb:0x25 DW_TAG_compile_unit
.asciz "A.dwo" # DW_AT_GNU_dwo_name
.quad \I # DW_AT_GNU_dwo_id
.long .debug_addr # DW_AT_GNU_addr_base
.long .Lranges\I # DW_AT_ranges
.Ldebug_info_end\I:
.section .debug_addr,"",@progbits
.quad A\I
.quad F\I
.section .debug_ranges,"",@progbits
.Lranges\I:
.quad F\I
.quad F\I+1
.quad 0
.quad 0
.endr
.endif
.ifdef DWP
# This deliberately excludes compile unit 4 to check test the case of a missing
# split unit.
.irpc I,0123
.section .debug_str.dwo,"MSe",@progbits,1
.Lstr\I:
.byte 'I', 'N', 'T', '0'+\I, 0
.section .debug_str_offsets.dwo,"e",@progbits
.Lstr_offsets\I:
.long .Lstr\I-.debug_str.dwo
.Lstr_offsets_end\I:
.section .debug_loc.dwo,"e",@progbits
.Lloc\I:
.byte 3 # DW_LLE_startx_length
.uleb128 \I*2+1
.long 1
.short 1 # Expression size
.byte 80+\I # super-register DW_OP_reg0+\I
.byte 0 # DW_LLE_end_of_list
.Lloc_end\I:
.section .debug_abbrev.dwo,"e",@progbits
.Labbrev\I:
.byte \I*10+1 # Abbreviation Code
.byte 17 # DW_TAG_compile_unit
.byte 1 # DW_CHILDREN_yes
.byte 37 # DW_AT_producer
.byte 8 # DW_FORM_string
.byte 3 # DW_AT_name
.byte 8 # DW_FORM_string
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte \I*10+2 # Abbreviation Code
.byte 52 # DW_TAG_variable
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 8 # DW_FORM_string
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 2 # DW_AT_location
.byte 24 # DW_FORM_exprloc
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte \I*10+3 # Abbreviation Code
.byte 36 # DW_TAG_base_type
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 8 # DW_FORM_string
.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 \I*10+4 # Abbreviation Code
.byte 22 # DW_TAG_typedef
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.uleb128 0x1f02 # DW_FORM_GNU_str_index
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte \I*10+5 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_CHILDREN_yes
.byte 17 # DW_AT_low_pc
.uleb128 0x1f01 # DW_FORM_GNU_addr_index
.byte 18 # DW_AT_high_pc
.byte 11 # DW_FORM_data1
.byte 3 # DW_AT_name
.byte 8 # DW_FORM_string
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte \I*10+6 # 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 0 # EOM(3)
.Labbrev_end\I:
.section .debug_info.dwo,"e",@progbits
.Lcu_begin\I:
.long .Ldebug_info_end\I-.Ldebug_info_start\I # Length of Unit
.Ldebug_info_start\I:
.short 4 # DWARF version number
.long 0 # Offset Into Abbrev. Section
.byte 8 # Address Size (in bytes)
.byte \I*10+1 # Abbrev DW_TAG_compile_unit
.asciz "Hand-written DWARF" # DW_AT_producer
.byte '0'+\I, '.', 'c', 0 # DW_AT_name
.byte \I*10+2 # Abbrev DW_TAG_variable
.asciz "A" # DW_AT_name
.long .Ltypedef\I-.Lcu_begin\I# DW_AT_type
.byte 2 # DW_AT_location
.byte 0xfb # DW_OP_GNU_addr_index
.byte \I*2
.Ltypedef\I:
.byte \I*10+4 # Abbrev DW_TAG_typedef
.byte 0 # DW_AT_name
.long .Ltype\I-.Lcu_begin\I # DW_AT_type
.Ltype\I:
.byte \I*10+3 # Abbrev DW_TAG_base_type
.asciz "int" # DW_AT_name
.byte 5 # DW_AT_encoding
.byte 4 # DW_AT_byte_size
.byte \I*10+5 # Abbrev DW_TAG_subprogram
.uleb128 \I*2+1 # DW_AT_low_pc
.byte 1 # DW_AT_high_pc
.byte 'F', '0'+\I, 0 # DW_AT_name
.byte \I*10+6 # Abbrev DW_TAG_formal_parameter
.long 0 # DW_AT_location
.asciz "x" # DW_AT_name
.long .Ltype\I-.Lcu_begin\I # DW_AT_type
.byte 0 # End Of Children Mark
.byte 0 # End Of Children Mark
.Ldebug_info_end\I:
.endr
.section .debug_cu_index,"",@progbits
.short 2 # DWARF version number
.short 0 # Reserved
.long 4 # Section count
.long 4 # Unit count
.long 8 # Slot count
.quad 0, 1, 2, 3, 0, 0, 0, 0 # Hash table
.long 1, 2, 3, 4, 0, 0, 0, 0 # Index table
.long 1 # DW_SECT_INFO
.long 3 # DW_SECT_ABBREV
.long 5 # DW_SECT_LOC
.long 6 # DW_SECT_STR_OFFSETS
.irpc I,0123
.long .Lcu_begin\I-.debug_info.dwo
.long .Labbrev\I-.debug_abbrev.dwo
.long .Lloc\I-.debug_loc.dwo
.long .Lstr_offsets\I-.debug_str_offsets.dwo
.endr
.irpc I,0123
.long .Ldebug_info_end\I-.Lcu_begin\I
.long .Labbrev_end\I-.Labbrev\I
.long .Lloc_end\I-.Lloc\I
.long .Lstr_offsets_end\I-.Lstr_offsets\I
.endr
.endif