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# REQUIRES: system-linux
# RUN: llvm-mc -dwarf-version=5 -filetype=obj -triple x86_64-unknown-linux %s -o %tmain.o
# RUN: %clang %cflags -dwarf-5 %tmain.o -o %t.exe -Wl,-q
# RUN: llvm-bolt %t.exe -o %t.bolt -update-debug-sections
# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.exe | FileCheck --check-prefix=PRECHECK %s
# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.bolt | FileCheck --check-prefix=POSTCHECK %s
# This test checks that we correctly encode new index into .debug_addr section
# from DW_AT_location [DW_FORM_exprloc] (DW_OP_addrx 0x#)
# PRECHECK: version = 0x0005
# PRECHECK: DW_TAG_variable
# PRECHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_addrx 0x0)
# PRECHECK: DW_TAG_variable
# PRECHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_addrx 0x1)
# PRECHECK-EMPTY:
# POSTCHECK: version = 0x0005
# POSTCHECK: DW_TAG_variable
# POSTCHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_addrx 0x3)
# POSTCHECK-EMPTY:
# POSTCHECK: DW_TAG_variable
# POSTCHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_addrx 0x4)
# POSTCHECK-EMPTY:
# clang++ main.cpp -g -O2
# void use(int * x, int * y) {
# *x += 4;
# *y -= 2;
# }
#
# int x = 0;
# int y = 1;
# int main(int argc, char *argv[]) {
# x = argc;
# y = argc + 3;
# use(&x, &y);
# return x + y;
# }
.text
.file "main.cpp"
.file 0 "/testLocExprLoc" "main.cpp" md5 0xd4fd79ce0087c4cefd089752bf2182c6
.globl _Z3usePiS_ # -- Begin function _Z3usePiS_
.p2align 4, 0x90
.type _Z3usePiS_,@function
_Z3usePiS_: # @_Z3usePiS_
.Lfunc_begin0:
.loc 0 1 0 # main.cpp:1:0
.cfi_startproc
# %bb.0: # %entry
#DEBUG_VALUE: use:x <- $rdi
#DEBUG_VALUE: use:y <- $rsi
.loc 0 2 4 prologue_end # main.cpp:2:4
addl $4, (%rdi)
.loc 0 3 4 # main.cpp:3:4
addl $-2, (%rsi)
.loc 0 4 1 # main.cpp:4:1
retq
.Ltmp0:
.Lfunc_end0:
.size _Z3usePiS_, .Lfunc_end0-_Z3usePiS_
.cfi_endproc
# -- End function
.globl main # -- Begin function main
.p2align 4, 0x90
.type main,@function
main: # @main
.Lfunc_begin1:
.loc 0 8 0 # main.cpp:8:0
.cfi_startproc
# %bb.0: # %entry
#DEBUG_VALUE: main:argc <- $edi
#DEBUG_VALUE: main:argv <- $rsi
# kill: def $edi killed $edi def $rdi
.loc 0 2 4 prologue_end # main.cpp:2:4
leal 4(%rdi), %eax
movl %eax, x(%rip)
.Ltmp1:
#DEBUG_VALUE: use:x <- undef
.loc 0 3 4 # main.cpp:3:4
leal 1(%rdi), %eax
movl %eax, y(%rip)
.Ltmp2:
#DEBUG_VALUE: use:y <- undef
.loc 0 12 13 # main.cpp:12:13
leal (%rdi,%rdi), %eax
addl $5, %eax
.loc 0 12 4 is_stmt 0 # main.cpp:12:4
retq
.Ltmp3:
.Lfunc_end1:
.size main, .Lfunc_end1-main
.cfi_endproc
# -- End function
.type x,@object # @x
.bss
.globl x
.p2align 2
x:
.long 0 # 0x0
.size x, 4
.type y,@object # @y
.data
.globl y
.p2align 2
y:
.long 1 # 0x1
.size y, 4
.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 37 # DW_FORM_strx1
.byte 19 # DW_AT_language
.byte 5 # DW_FORM_data2
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 114 # DW_AT_str_offsets_base
.byte 23 # DW_FORM_sec_offset
.byte 16 # DW_AT_stmt_list
.byte 23 # DW_FORM_sec_offset
.byte 27 # DW_AT_comp_dir
.byte 37 # DW_FORM_strx1
.byte 17 # DW_AT_low_pc
.byte 27 # DW_FORM_addrx
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 115 # DW_AT_addr_base
.byte 23 # DW_FORM_sec_offset
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 2 # Abbreviation Code
.byte 52 # DW_TAG_variable
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 63 # DW_AT_external
.byte 25 # DW_FORM_flag_present
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 2 # DW_AT_location
.byte 24 # DW_FORM_exprloc
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 3 # Abbreviation Code
.byte 36 # DW_TAG_base_type
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.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 4 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_CHILDREN_yes
.byte 17 # DW_AT_low_pc
.byte 27 # DW_FORM_addrx
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 64 # DW_AT_frame_base
.byte 24 # DW_FORM_exprloc
.byte 122 # DW_AT_call_all_calls
.byte 25 # DW_FORM_flag_present
.byte 49 # DW_AT_abstract_origin
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 5 # Abbreviation Code
.byte 5 # DW_TAG_formal_parameter
.byte 0 # DW_CHILDREN_no
.byte 2 # DW_AT_location
.byte 24 # DW_FORM_exprloc
.byte 49 # DW_AT_abstract_origin
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 6 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_CHILDREN_yes
.byte 110 # DW_AT_linkage_name
.byte 37 # DW_FORM_strx1
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 63 # DW_AT_external
.byte 25 # DW_FORM_flag_present
.byte 32 # DW_AT_inline
.byte 33 # DW_FORM_implicit_const
.byte 1
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 7 # Abbreviation Code
.byte 5 # DW_TAG_formal_parameter
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 8 # Abbreviation Code
.byte 15 # DW_TAG_pointer_type
.byte 0 # DW_CHILDREN_no
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 9 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_CHILDREN_yes
.byte 17 # DW_AT_low_pc
.byte 27 # DW_FORM_addrx
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 64 # DW_AT_frame_base
.byte 24 # DW_FORM_exprloc
.byte 122 # DW_AT_call_all_calls
.byte 25 # DW_FORM_flag_present
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 63 # DW_AT_external
.byte 25 # DW_FORM_flag_present
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 10 # Abbreviation Code
.byte 5 # DW_TAG_formal_parameter
.byte 0 # DW_CHILDREN_no
.byte 2 # DW_AT_location
.byte 24 # DW_FORM_exprloc
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 11 # Abbreviation Code
.byte 29 # DW_TAG_inlined_subroutine
.byte 0 # DW_CHILDREN_no
.byte 49 # DW_AT_abstract_origin
.byte 19 # DW_FORM_ref4
.byte 17 # DW_AT_low_pc
.byte 27 # DW_FORM_addrx
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 88 # DW_AT_call_file
.byte 11 # DW_FORM_data1
.byte 89 # DW_AT_call_line
.byte 11 # DW_FORM_data1
.byte 87 # DW_AT_call_column
.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:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
.byte 1 # Abbrev [1] 0xc:0xa7 DW_TAG_compile_unit
.byte 0 # DW_AT_producer
.short 33 # DW_AT_language
.byte 1 # DW_AT_name
.long .Lstr_offsets_base0 # DW_AT_str_offsets_base
.long .Lline_table_start0 # DW_AT_stmt_list
.byte 2 # DW_AT_comp_dir
.byte 2 # DW_AT_low_pc
.long .Lfunc_end1-.Lfunc_begin0 # DW_AT_high_pc
.long .Laddr_table_base0 # DW_AT_addr_base
.byte 2 # Abbrev [2] 0x23:0xb DW_TAG_variable
.byte 3 # DW_AT_name
.long 46 # DW_AT_type
# DW_AT_external
.byte 0 # DW_AT_decl_file
.byte 6 # DW_AT_decl_line
.byte 2 # DW_AT_location
.byte 161
.byte 0
.byte 3 # Abbrev [3] 0x2e:0x4 DW_TAG_base_type
.byte 4 # DW_AT_name
.byte 5 # DW_AT_encoding
.byte 4 # DW_AT_byte_size
.byte 2 # Abbrev [2] 0x32:0xb DW_TAG_variable
.byte 5 # DW_AT_name
.long 46 # DW_AT_type
# DW_AT_external
.byte 0 # DW_AT_decl_file
.byte 7 # DW_AT_decl_line
.byte 2 # DW_AT_location
.byte 161
.byte 1
.byte 4 # Abbrev [4] 0x3d:0x1b DW_TAG_subprogram
.byte 2 # DW_AT_low_pc
.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
.byte 1 # DW_AT_frame_base
.byte 87
# DW_AT_call_all_calls
.long 88 # DW_AT_abstract_origin
.byte 5 # Abbrev [5] 0x49:0x7 DW_TAG_formal_parameter
.byte 1 # DW_AT_location
.byte 85
.long 93 # DW_AT_abstract_origin
.byte 5 # Abbrev [5] 0x50:0x7 DW_TAG_formal_parameter
.byte 1 # DW_AT_location
.byte 84
.long 101 # DW_AT_abstract_origin
.byte 0 # End Of Children Mark
.byte 6 # Abbrev [6] 0x58:0x16 DW_TAG_subprogram
.byte 6 # DW_AT_linkage_name
.byte 7 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 1 # DW_AT_decl_line
# DW_AT_external
# DW_AT_inline
.byte 7 # Abbrev [7] 0x5d:0x8 DW_TAG_formal_parameter
.byte 3 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 1 # DW_AT_decl_line
.long 110 # DW_AT_type
.byte 7 # Abbrev [7] 0x65:0x8 DW_TAG_formal_parameter
.byte 5 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 1 # DW_AT_decl_line
.long 110 # DW_AT_type
.byte 0 # End Of Children Mark
.byte 8 # Abbrev [8] 0x6e:0x5 DW_TAG_pointer_type
.long 46 # DW_AT_type
.byte 9 # Abbrev [9] 0x73:0x31 DW_TAG_subprogram
.byte 3 # DW_AT_low_pc
.long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc
.byte 1 # DW_AT_frame_base
.byte 87
# DW_AT_call_all_calls
.byte 8 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 8 # DW_AT_decl_line
.long 46 # DW_AT_type
# DW_AT_external
.byte 10 # Abbrev [10] 0x82:0xa DW_TAG_formal_parameter
.byte 1 # DW_AT_location
.byte 85
.byte 9 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 8 # DW_AT_decl_line
.long 46 # DW_AT_type
.byte 10 # Abbrev [10] 0x8c:0xa DW_TAG_formal_parameter
.byte 1 # DW_AT_location
.byte 84
.byte 10 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 8 # DW_AT_decl_line
.long 164 # DW_AT_type
.byte 11 # Abbrev [11] 0x96:0xd DW_TAG_inlined_subroutine
.long 88 # DW_AT_abstract_origin
.byte 3 # DW_AT_low_pc
.long .Ltmp2-.Lfunc_begin1 # DW_AT_high_pc
.byte 0 # DW_AT_call_file
.byte 11 # DW_AT_call_line
.byte 4 # DW_AT_call_column
.byte 0 # End Of Children Mark
.byte 8 # Abbrev [8] 0xa4:0x5 DW_TAG_pointer_type
.long 169 # DW_AT_type
.byte 8 # Abbrev [8] 0xa9:0x5 DW_TAG_pointer_type
.long 174 # DW_AT_type
.byte 3 # Abbrev [3] 0xae:0x4 DW_TAG_base_type
.byte 11 # DW_AT_name
.byte 6 # DW_AT_encoding
.byte 1 # DW_AT_byte_size
.byte 0 # End Of Children Mark
.Ldebug_info_end0:
.section .debug_str_offsets,"",@progbits
.long 52 # Length of String Offsets Set
.short 5
.short 0
.Lstr_offsets_base0:
.section .debug_str,"MS",@progbits,1
.Linfo_string0:
.asciz "clang version 15.0.0" # string offset=0
.Linfo_string1:
.asciz "main.cpp" # string offset=134
.Linfo_string2:
.asciz "/testLocExprLoc" # string offset=143
.Linfo_string3:
.asciz "x" # string offset=195
.Linfo_string4:
.asciz "int" # string offset=197
.Linfo_string5:
.asciz "y" # string offset=201
.Linfo_string6:
.asciz "_Z3usePiS_" # string offset=203
.Linfo_string7:
.asciz "use" # string offset=214
.Linfo_string8:
.asciz "main" # string offset=218
.Linfo_string9:
.asciz "argc" # string offset=223
.Linfo_string10:
.asciz "argv" # string offset=228
.Linfo_string11:
.asciz "char" # string offset=233
.section .debug_str_offsets,"",@progbits
.long .Linfo_string0
.long .Linfo_string1
.long .Linfo_string2
.long .Linfo_string3
.long .Linfo_string4
.long .Linfo_string5
.long .Linfo_string6
.long .Linfo_string7
.long .Linfo_string8
.long .Linfo_string9
.long .Linfo_string10
.long .Linfo_string11
.section .debug_addr,"",@progbits
.long .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution
.Ldebug_addr_start0:
.short 5 # DWARF version number
.byte 8 # Address size
.byte 0 # Segment selector size
.Laddr_table_base0:
.quad x
.quad y
.quad .Lfunc_begin0
.quad .Lfunc_begin1
.Ldebug_addr_end0:
.ident "clang version 15.0.0"
.section ".note.GNU-stack","",@progbits
.addrsig
.section .debug_line,"",@progbits
.Lline_table_start0:
|
