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[BOLT][DWARF] Fix setting DW_AT_ranges offset of Skeleton CU

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Fixed a bug where when Skelton CU had DW_AT_ranges, it the output CU DW_AT_ranges
 offset was relative, and not absolute.

Reviewed By: maksfb

Differential Revision: https://reviews.llvm.org/D156958
This commit is contained in:
Alexander Yermolovich 2023-08-03 10:34:21 -07:00
parent efb8a1c906
commit e1ceae4b60
5 changed files with 1566 additions and 2 deletions
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8
bolt/lib/Rewrite/DWARFRewriter.cpp
View File

@ -1244,8 +1244,12 @@ void DWARFRewriter::updateDWARFObjectAddressRanges(
NeedConverted = true;
uint64_t CurRangeBase = 0;
if (std::optional<uint64_t> DWOId = Unit.getDWOId()) {
CurRangeBase = getDwoRangesBase(*DWOId);
if (Unit.isDWOUnit()) {
if (std::optional<uint64_t> DWOId = Unit.getDWOId())
CurRangeBase = getDwoRangesBase(*DWOId);
else
errs() << "BOLT-WARNING: [internal-dwarf-error]: DWOId is not found "
"for DWO Unit.";
}
if (NeedConverted || RangesAttrInfo.getForm() == dwarf::DW_FORM_rnglistx)
DIEBldr.replaceValue(&Die, dwarf::DW_AT_ranges, dwarf::DW_FORM_rnglistx,

705
bolt/test/X86/Inputs/dwarf4-df-input-lowpc-ranges-main.s Normal file
View File

@ -0,0 +1,705 @@
# clang++ -fbasic-block-sections=all -ffunction-sections -g2 -gdwarf-4 -gsplit-dwarf
# __attribute__((always_inline))
# int doStuff(int val) {
# if (val)
# ++val;
# return val;
# }
# __attribute__((always_inline))
# int doStuff2(int val) {
# int foo = 3;
# return val + foo;
# }
#
#
# int main(int argc, const char** argv) {
# return doStuff(argc) + doStuff2(argc);;
# }
.text
.file "main.cpp"
.section .text._Z7doStuffi,"ax",@progbits
.globl _Z7doStuffi # -- Begin function _Z7doStuffi
.p2align 4, 0x90
.type _Z7doStuffi,@function
_Z7doStuffi: # @_Z7doStuffi
.Lfunc_begin0:
.file 1 "." "main.cpp"
.loc 1 2 0 # main.cpp:2:0
.cfi_startproc
# %bb.0: # %entry
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset %rbp, -16
movq %rsp, %rbp
.cfi_def_cfa_register %rbp
movl %edi, -4(%rbp)
.Ltmp0:
.loc 1 3 7 prologue_end # main.cpp:3:7
cmpl $0, -4(%rbp)
.Ltmp1:
.loc 1 3 7 is_stmt 0 # main.cpp:3:7
je _Z7doStuffi.__part.2
jmp _Z7doStuffi.__part.1
.LBB_END0_0:
.cfi_endproc
.section .text._Z7doStuffi,"ax",@progbits,unique,1
_Z7doStuffi.__part.1: # %if.then
.cfi_startproc
.cfi_def_cfa %rbp, 16
.cfi_offset %rbp, -16
.loc 1 4 5 is_stmt 1 # main.cpp:4:5
movl -4(%rbp), %eax
addl $1, %eax
movl %eax, -4(%rbp)
jmp _Z7doStuffi.__part.2
.LBB_END0_1:
.size _Z7doStuffi.__part.1, .LBB_END0_1-_Z7doStuffi.__part.1
.cfi_endproc
.section .text._Z7doStuffi,"ax",@progbits,unique,2
_Z7doStuffi.__part.2: # %if.end
.cfi_startproc
.cfi_def_cfa %rbp, 16
.cfi_offset %rbp, -16
.loc 1 5 10 # main.cpp:5:10
movl -4(%rbp), %eax
.loc 1 5 3 epilogue_begin is_stmt 0 # main.cpp:5:3
popq %rbp
.cfi_def_cfa %rsp, 8
retq
.LBB_END0_2:
.size _Z7doStuffi.__part.2, .LBB_END0_2-_Z7doStuffi.__part.2
.cfi_endproc
.section .text._Z7doStuffi,"ax",@progbits
.Lfunc_end0:
.size _Z7doStuffi, .Lfunc_end0-_Z7doStuffi
# -- End function
.section .text._Z8doStuff2i,"ax",@progbits
.globl _Z8doStuff2i # -- Begin function _Z8doStuff2i
.p2align 4, 0x90
.type _Z8doStuff2i,@function
_Z8doStuff2i: # @_Z8doStuff2i
.Lfunc_begin1:
.loc 1 8 0 is_stmt 1 # main.cpp:8:0
.cfi_startproc
# %bb.0: # %entry
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset %rbp, -16
movq %rsp, %rbp
.cfi_def_cfa_register %rbp
movl %edi, -4(%rbp)
.Ltmp2:
.loc 1 9 7 prologue_end # main.cpp:9:7
movl $3, -8(%rbp)
.loc 1 10 10 # main.cpp:10:10
movl -4(%rbp), %eax
.loc 1 10 14 is_stmt 0 # main.cpp:10:14
addl -8(%rbp), %eax
.loc 1 10 3 epilogue_begin # main.cpp:10:3
popq %rbp
.cfi_def_cfa %rsp, 8
retq
.LBB_END1_0:
.cfi_endproc
.Lfunc_end1:
.size _Z8doStuff2i, .Lfunc_end1-_Z8doStuff2i
# -- End function
.section .text.main,"ax",@progbits
.globl main # -- Begin function main
.p2align 4, 0x90
.type main,@function
main: # @main
.Lfunc_begin2:
.loc 1 14 0 is_stmt 1 # main.cpp:14:0
.cfi_startproc
# %bb.0: # %entry
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset %rbp, -16
movq %rsp, %rbp
.cfi_def_cfa_register %rbp
movl $0, -16(%rbp)
movl %edi, -20(%rbp)
movq %rsi, -32(%rbp)
.Ltmp3:
.loc 1 15 21 prologue_end # main.cpp:15:21
movl -20(%rbp), %eax
movl %eax, -12(%rbp)
.Ltmp4:
.loc 1 3 7 # main.cpp:3:7
cmpl $0, -12(%rbp)
.Ltmp5:
.loc 1 3 7 is_stmt 0 # main.cpp:3:7
je main.__part.2
jmp main.__part.1
.LBB_END2_0:
.cfi_endproc
.section .text.main,"ax",@progbits,unique,3
main.__part.1: # %if.then.i
.cfi_startproc
.cfi_def_cfa %rbp, 16
.cfi_offset %rbp, -16
.loc 1 4 5 is_stmt 1 # main.cpp:4:5
movl -12(%rbp), %eax
addl $1, %eax
movl %eax, -12(%rbp)
jmp main.__part.2
.LBB_END2_1:
.size main.__part.1, .LBB_END2_1-main.__part.1
.cfi_endproc
.section .text.main,"ax",@progbits,unique,4
main.__part.2: # %_Z7doStuffi.exit
.cfi_startproc
.cfi_def_cfa %rbp, 16
.cfi_offset %rbp, -16
.loc 1 5 10 # main.cpp:5:10
movl -12(%rbp), %eax
.Ltmp6:
.loc 1 15 38 # main.cpp:15:38
movl -20(%rbp), %ecx
movl %ecx, -4(%rbp)
.Ltmp7:
.loc 1 9 7 # main.cpp:9:7
movl $3, -8(%rbp)
.loc 1 10 10 # main.cpp:10:10
movl -4(%rbp), %ecx
.loc 1 10 14 is_stmt 0 # main.cpp:10:14
addl -8(%rbp), %ecx
.Ltmp8:
.loc 1 15 27 is_stmt 1 # main.cpp:15:27
addl %ecx, %eax
.loc 1 15 5 epilogue_begin is_stmt 0 # main.cpp:15:5
popq %rbp
.cfi_def_cfa %rsp, 8
retq
.LBB_END2_2:
.size main.__part.2, .LBB_END2_2-main.__part.2
.cfi_endproc
.section .text.main,"ax",@progbits
.Lfunc_end2:
.size main, .Lfunc_end2-main
# -- End function
.section .debug_abbrev,"",@progbits
.byte 1 # Abbreviation Code
.byte 17 # DW_TAG_compile_unit
.byte 0 # DW_CHILDREN_no
.byte 16 # DW_AT_stmt_list
.byte 23 # DW_FORM_sec_offset
.byte 27 # DW_AT_comp_dir
.byte 14 # DW_FORM_strp
.ascii "\264B" # DW_AT_GNU_pubnames
.byte 25 # DW_FORM_flag_present
.ascii "\260B" # DW_AT_GNU_dwo_name
.byte 14 # DW_FORM_strp
.ascii "\261B" # DW_AT_GNU_dwo_id
.byte 7 # DW_FORM_data8
.ascii "\262B" # DW_AT_GNU_ranges_base
.byte 23 # DW_FORM_sec_offset
.byte 17 # DW_AT_low_pc
.byte 1 # DW_FORM_addr
.byte 85 # DW_AT_ranges
.byte 23 # DW_FORM_sec_offset
.ascii "\263B" # DW_AT_GNU_addr_base
.byte 23 # DW_FORM_sec_offset
.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 4 # DWARF version number
.long .debug_abbrev # Offset Into Abbrev. Section
.byte 8 # Address Size (in bytes)
.byte 1 # Abbrev [1] 0xb:0x29 DW_TAG_compile_unit
.long .Lline_table_start0 # DW_AT_stmt_list
.long .Lskel_string0 # DW_AT_comp_dir
# DW_AT_GNU_pubnames
.long .Lskel_string1 # DW_AT_GNU_dwo_name
.quad 1354107878901449185 # DW_AT_GNU_dwo_id
.long .debug_ranges # DW_AT_GNU_ranges_base
.quad 0 # DW_AT_low_pc
.long .Ldebug_ranges3 # DW_AT_ranges
.long .Laddr_table_base0 # DW_AT_GNU_addr_base
.Ldebug_info_end0:
.section .debug_ranges,"",@progbits
.Ldebug_ranges0:
.quad _Z7doStuffi.__part.1
.quad .LBB_END0_1
.quad _Z7doStuffi.__part.2
.quad .LBB_END0_2
.quad .Lfunc_begin0
.quad .Lfunc_end0
.quad 0
.quad 0
.Ldebug_ranges1:
.quad main.__part.1
.quad .LBB_END2_1
.quad main.__part.2
.quad .LBB_END2_2
.quad .Lfunc_begin2
.quad .Lfunc_end2
.quad 0
.quad 0
.Ldebug_ranges2:
.quad .Ltmp4
.quad .Lfunc_end2
.quad main.__part.1
.quad .LBB_END2_1
.quad main.__part.2
.quad .Ltmp6
.quad 0
.quad 0
.Ldebug_ranges3:
.quad _Z7doStuffi.__part.1
.quad .LBB_END0_1
.quad _Z7doStuffi.__part.2
.quad .LBB_END0_2
.quad .Lfunc_begin0
.quad .Lfunc_end0
.quad .Lfunc_begin1
.quad .Lfunc_end1
.quad main.__part.1
.quad .LBB_END2_1
.quad main.__part.2
.quad .LBB_END2_2
.quad .Lfunc_begin2
.quad .Lfunc_end2
.quad 0
.quad 0
.section .debug_str,"MS",@progbits,1
.Lskel_string0:
.asciz "." # string offset=0
.Lskel_string1:
.asciz "main.dwo" # string offset=38
.section .debug_str.dwo,"eMS",@progbits,1
.Linfo_string0:
.asciz "_Z7doStuffi" # string offset=0
.Linfo_string1:
.asciz "doStuff" # string offset=12
.Linfo_string2:
.asciz "int" # string offset=20
.Linfo_string3:
.asciz "val" # string offset=24
.Linfo_string4:
.asciz "_Z8doStuff2i" # string offset=28
.Linfo_string5:
.asciz "doStuff2" # string offset=41
.Linfo_string6:
.asciz "foo" # string offset=50
.Linfo_string7:
.asciz "main" # string offset=54
.Linfo_string8:
.asciz "argc" # string offset=59
.Linfo_string9:
.asciz "argv" # string offset=64
.Linfo_string10:
.asciz "char" # string offset=69
.Linfo_string11:
.asciz "clang version 18.0.0 (git@github.com:llvm/llvm-project.git 3a8db0f4bfb57348f49d9603119fa157114bbf8e)" # string offset=74
.Linfo_string12:
.asciz "main.cpp" # string offset=175
.Linfo_string13:
.asciz "main.dwo" # string offset=184
.section .debug_str_offsets.dwo,"e",@progbits
.long 0
.long 12
.long 20
.long 24
.long 28
.long 41
.long 50
.long 54
.long 59
.long 64
.long 69
.long 74
.long 175
.long 184
.section .debug_info.dwo,"e",@progbits
.long .Ldebug_info_dwo_end0-.Ldebug_info_dwo_start0 # Length of Unit
.Ldebug_info_dwo_start0:
.short 4 # DWARF version number
.long 0 # Offset Into Abbrev. Section
.byte 8 # Address Size (in bytes)
.byte 1 # Abbrev [1] 0xb:0xdd DW_TAG_compile_unit
.byte 11 # DW_AT_producer
.short 33 # DW_AT_language
.byte 12 # DW_AT_name
.byte 13 # DW_AT_GNU_dwo_name
.quad 1354107878901449185 # DW_AT_GNU_dwo_id
.byte 2 # Abbrev [2] 0x19:0x14 DW_TAG_subprogram
.long .Ldebug_ranges0-.debug_ranges # DW_AT_ranges
.byte 1 # DW_AT_frame_base
.byte 86
.long 74 # DW_AT_abstract_origin
.byte 3 # Abbrev [3] 0x24:0x8 DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 124
.long 84 # DW_AT_abstract_origin
.byte 0 # End Of Children Mark
.byte 4 # Abbrev [4] 0x2d:0x1d 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 86
.long 97 # DW_AT_abstract_origin
.byte 3 # Abbrev [3] 0x39:0x8 DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 124
.long 107 # DW_AT_abstract_origin
.byte 5 # Abbrev [5] 0x41:0x8 DW_TAG_variable
.byte 2 # DW_AT_location
.byte 145
.byte 120
.long 115 # DW_AT_abstract_origin
.byte 0 # End Of Children Mark
.byte 6 # Abbrev [6] 0x4a:0x13 DW_TAG_subprogram
.byte 0 # DW_AT_linkage_name
.byte 1 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 2 # DW_AT_decl_line
.long 93 # DW_AT_type
# DW_AT_external
.byte 1 # DW_AT_inline
.byte 7 # Abbrev [7] 0x54:0x8 DW_TAG_formal_parameter
.byte 3 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 2 # DW_AT_decl_line
.long 93 # DW_AT_type
.byte 0 # End Of Children Mark
.byte 8 # Abbrev [8] 0x5d:0x4 DW_TAG_base_type
.byte 2 # DW_AT_name
.byte 5 # DW_AT_encoding
.byte 4 # DW_AT_byte_size
.byte 6 # Abbrev [6] 0x61:0x1b DW_TAG_subprogram
.byte 4 # DW_AT_linkage_name
.byte 5 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 8 # DW_AT_decl_line
.long 93 # DW_AT_type
# DW_AT_external
.byte 1 # DW_AT_inline
.byte 7 # Abbrev [7] 0x6b:0x8 DW_TAG_formal_parameter
.byte 3 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 8 # DW_AT_decl_line
.long 93 # DW_AT_type
.byte 9 # Abbrev [9] 0x73:0x8 DW_TAG_variable
.byte 6 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 9 # DW_AT_decl_line
.long 93 # DW_AT_type
.byte 0 # End Of Children Mark
.byte 10 # Abbrev [10] 0x7c:0x58 DW_TAG_subprogram
.long .Ldebug_ranges1-.debug_ranges # DW_AT_ranges
.byte 1 # DW_AT_frame_base
.byte 86
.byte 7 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 14 # DW_AT_decl_line
.long 93 # DW_AT_type
# DW_AT_external
.byte 11 # Abbrev [11] 0x8a:0xb DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 108
.byte 8 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 14 # DW_AT_decl_line
.long 93 # DW_AT_type
.byte 11 # Abbrev [11] 0x95:0xb DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 96
.byte 9 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 14 # DW_AT_decl_line
.long 212 # DW_AT_type
.byte 12 # Abbrev [12] 0xa0:0x15 DW_TAG_inlined_subroutine
.long 74 # DW_AT_abstract_origin
.long .Ldebug_ranges2-.debug_ranges # DW_AT_ranges
.byte 1 # DW_AT_call_file
.byte 15 # DW_AT_call_line
.byte 13 # DW_AT_call_column
.byte 3 # Abbrev [3] 0xac:0x8 DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 116
.long 84 # DW_AT_abstract_origin
.byte 0 # End Of Children Mark
.byte 13 # Abbrev [13] 0xb5:0x1e DW_TAG_inlined_subroutine
.long 97 # DW_AT_abstract_origin
.byte 7 # DW_AT_low_pc
.long .Ltmp8-.Ltmp7 # DW_AT_high_pc
.byte 1 # DW_AT_call_file
.byte 15 # DW_AT_call_line
.byte 29 # DW_AT_call_column
.byte 3 # Abbrev [3] 0xc2:0x8 DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 124
.long 107 # DW_AT_abstract_origin
.byte 5 # Abbrev [5] 0xca:0x8 DW_TAG_variable
.byte 2 # DW_AT_location
.byte 145
.byte 120
.long 115 # DW_AT_abstract_origin
.byte 0 # End Of Children Mark
.byte 0 # End Of Children Mark
.byte 14 # Abbrev [14] 0xd4:0x5 DW_TAG_pointer_type
.long 217 # DW_AT_type
.byte 14 # Abbrev [14] 0xd9:0x5 DW_TAG_pointer_type
.long 222 # DW_AT_type
.byte 15 # Abbrev [15] 0xde:0x5 DW_TAG_const_type
.long 227 # DW_AT_type
.byte 8 # Abbrev [8] 0xe3:0x4 DW_TAG_base_type
.byte 10 # DW_AT_name
.byte 6 # DW_AT_encoding
.byte 1 # DW_AT_byte_size
.byte 0 # End Of Children Mark
.Ldebug_info_dwo_end0:
.section .debug_abbrev.dwo,"e",@progbits
.byte 1 # Abbreviation Code
.byte 17 # DW_TAG_compile_unit
.byte 1 # DW_CHILDREN_yes
.byte 37 # DW_AT_producer
.ascii "\202>" # DW_FORM_GNU_str_index
.byte 19 # DW_AT_language
.byte 5 # DW_FORM_data2
.byte 3 # DW_AT_name
.ascii "\202>" # DW_FORM_GNU_str_index
.ascii "\260B" # DW_AT_GNU_dwo_name
.ascii "\202>" # DW_FORM_GNU_str_index
.ascii "\261B" # DW_AT_GNU_dwo_id
.byte 7 # DW_FORM_data8
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 2 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_CHILDREN_yes
.byte 85 # DW_AT_ranges
.byte 23 # DW_FORM_sec_offset
.byte 64 # DW_AT_frame_base
.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 3 # 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 4 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_CHILDREN_yes
.byte 17 # DW_AT_low_pc
.ascii "\201>" # DW_FORM_GNU_addr_index
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 64 # DW_AT_frame_base
.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 5 # Abbreviation Code
.byte 52 # DW_TAG_variable
.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
.ascii "\202>" # DW_FORM_GNU_str_index
.byte 3 # DW_AT_name
.ascii "\202>" # DW_FORM_GNU_str_index
.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 32 # DW_AT_inline
.byte 11 # DW_FORM_data1
.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
.ascii "\202>" # DW_FORM_GNU_str_index
.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 36 # DW_TAG_base_type
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.ascii "\202>" # DW_FORM_GNU_str_index
.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 9 # Abbreviation Code
.byte 52 # DW_TAG_variable
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.ascii "\202>" # DW_FORM_GNU_str_index
.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 10 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_CHILDREN_yes
.byte 85 # DW_AT_ranges
.byte 23 # DW_FORM_sec_offset
.byte 64 # DW_AT_frame_base
.byte 24 # DW_FORM_exprloc
.byte 3 # DW_AT_name
.ascii "\202>" # DW_FORM_GNU_str_index
.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 11 # 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
.ascii "\202>" # DW_FORM_GNU_str_index
.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 12 # Abbreviation Code
.byte 29 # DW_TAG_inlined_subroutine
.byte 1 # DW_CHILDREN_yes
.byte 49 # DW_AT_abstract_origin
.byte 19 # DW_FORM_ref4
.byte 85 # DW_AT_ranges
.byte 23 # DW_FORM_sec_offset
.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 13 # Abbreviation Code
.byte 29 # DW_TAG_inlined_subroutine
.byte 1 # DW_CHILDREN_yes
.byte 49 # DW_AT_abstract_origin
.byte 19 # DW_FORM_ref4
.byte 17 # DW_AT_low_pc
.ascii "\201>" # DW_FORM_GNU_addr_index
.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 14 # 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 15 # Abbreviation Code
.byte 38 # DW_TAG_const_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 0 # EOM(3)
.section .debug_addr,"",@progbits
.Laddr_table_base0:
.quad _Z7doStuffi.__part.1
.quad _Z7doStuffi.__part.2
.quad .Lfunc_begin0
.quad .Lfunc_begin1
.quad main.__part.1
.quad main.__part.2
.quad .Lfunc_begin2
.quad .Ltmp7
.section .debug_gnu_pubnames,"",@progbits
.long .LpubNames_end0-.LpubNames_start0 # Length of Public Names Info
.LpubNames_start0:
.short 2 # DWARF Version
.long .Lcu_begin0 # Offset of Compilation Unit Info
.long 52 # Compilation Unit Length
.long 74 # DIE offset
.byte 48 # Attributes: FUNCTION, EXTERNAL
.asciz "doStuff" # External Name
.long 97 # DIE offset
.byte 48 # Attributes: FUNCTION, EXTERNAL
.asciz "doStuff2" # External Name
.long 124 # DIE offset
.byte 48 # Attributes: FUNCTION, EXTERNAL
.asciz "main" # External Name
.long 0 # End Mark
.LpubNames_end0:
.section .debug_gnu_pubtypes,"",@progbits
.long .LpubTypes_end0-.LpubTypes_start0 # Length of Public Types Info
.LpubTypes_start0:
.short 2 # DWARF Version
.long .Lcu_begin0 # Offset of Compilation Unit Info
.long 52 # Compilation Unit Length
.long 93 # DIE offset
.byte 144 # Attributes: TYPE, STATIC
.asciz "int" # External Name
.long 227 # DIE offset
.byte 144 # Attributes: TYPE, STATIC
.asciz "char" # External Name
.long 0 # End Mark
.LpubTypes_end0:
.ident "clang version 18.0.0 (git@github.com:llvm/llvm-project.git 3a8db0f4bfb57348f49d9603119fa157114bbf8e)"
.section ".note.GNU-stack","",@progbits
.addrsig
.section .debug_line,"",@progbits
.Lline_table_start0:

748
bolt/test/X86/Inputs/dwarf5-df-input-lowpc-ranges-main.s Normal file
View File

@ -0,0 +1,748 @@
# clang++ -fbasic-block-sections=all -ffunction-sections -g2 -gdwarf-5 -gsplit-dwarf
# __attribute__((always_inline))
# int doStuff(int val) {
# if (val)
# ++val;
# return val;
# }
# __attribute__((always_inline))
# int doStuff2(int val) {
# int foo = 3;
# return val + foo;
# }
#
#
# int main(int argc, const char** argv) {
# return doStuff(argc) + doStuff2(argc);;
# }
.text
.file "main.cpp"
.section .text._Z7doStuffi,"ax",@progbits
.globl _Z7doStuffi # -- Begin function _Z7doStuffi
.p2align 4, 0x90
.type _Z7doStuffi,@function
_Z7doStuffi: # @_Z7doStuffi
.Lfunc_begin0:
.file 0 "." "main.cpp" md5 0x69a746524dda095f8ea37f5a26dd1e9b
.loc 0 2 0 # main.cpp:2:0
.cfi_startproc
# %bb.0: # %entry
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset %rbp, -16
movq %rsp, %rbp
.cfi_def_cfa_register %rbp
movl %edi, -4(%rbp)
.Ltmp0:
.loc 0 3 7 prologue_end # main.cpp:3:7
cmpl $0, -4(%rbp)
.Ltmp1:
.loc 0 3 7 is_stmt 0 # main.cpp:3:7
je _Z7doStuffi.__part.2
jmp _Z7doStuffi.__part.1
.LBB_END0_0:
.cfi_endproc
.section .text._Z7doStuffi,"ax",@progbits,unique,1
_Z7doStuffi.__part.1: # %if.then
.cfi_startproc
.cfi_def_cfa %rbp, 16
.cfi_offset %rbp, -16
.loc 0 4 5 is_stmt 1 # main.cpp:4:5
movl -4(%rbp), %eax
addl $1, %eax
movl %eax, -4(%rbp)
jmp _Z7doStuffi.__part.2
.LBB_END0_1:
.size _Z7doStuffi.__part.1, .LBB_END0_1-_Z7doStuffi.__part.1
.cfi_endproc
.section .text._Z7doStuffi,"ax",@progbits,unique,2
_Z7doStuffi.__part.2: # %if.end
.cfi_startproc
.cfi_def_cfa %rbp, 16
.cfi_offset %rbp, -16
.loc 0 5 10 # main.cpp:5:10
movl -4(%rbp), %eax
.loc 0 5 3 epilogue_begin is_stmt 0 # main.cpp:5:3
popq %rbp
.cfi_def_cfa %rsp, 8
retq
.LBB_END0_2:
.size _Z7doStuffi.__part.2, .LBB_END0_2-_Z7doStuffi.__part.2
.cfi_endproc
.section .text._Z7doStuffi,"ax",@progbits
.Lfunc_end0:
.size _Z7doStuffi, .Lfunc_end0-_Z7doStuffi
# -- End function
.section .text._Z8doStuff2i,"ax",@progbits
.globl _Z8doStuff2i # -- Begin function _Z8doStuff2i
.p2align 4, 0x90
.type _Z8doStuff2i,@function
_Z8doStuff2i: # @_Z8doStuff2i
.Lfunc_begin1:
.loc 0 8 0 is_stmt 1 # main.cpp:8:0
.cfi_startproc
# %bb.0: # %entry
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset %rbp, -16
movq %rsp, %rbp
.cfi_def_cfa_register %rbp
movl %edi, -4(%rbp)
.Ltmp2:
.loc 0 9 7 prologue_end # main.cpp:9:7
movl $3, -8(%rbp)
.loc 0 10 10 # main.cpp:10:10
movl -4(%rbp), %eax
.loc 0 10 14 is_stmt 0 # main.cpp:10:14
addl -8(%rbp), %eax
.loc 0 10 3 epilogue_begin # main.cpp:10:3
popq %rbp
.cfi_def_cfa %rsp, 8
retq
.LBB_END1_0:
.cfi_endproc
.Lfunc_end1:
.size _Z8doStuff2i, .Lfunc_end1-_Z8doStuff2i
# -- End function
.section .text.main,"ax",@progbits
.globl main # -- Begin function main
.p2align 4, 0x90
.type main,@function
main: # @main
.Lfunc_begin2:
.loc 0 14 0 is_stmt 1 # main.cpp:14:0
.cfi_startproc
# %bb.0: # %entry
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset %rbp, -16
movq %rsp, %rbp
.cfi_def_cfa_register %rbp
movl $0, -16(%rbp)
movl %edi, -20(%rbp)
movq %rsi, -32(%rbp)
.Ltmp3:
.loc 0 15 21 prologue_end # main.cpp:15:21
movl -20(%rbp), %eax
movl %eax, -12(%rbp)
.Ltmp4:
.loc 0 3 7 # main.cpp:3:7
cmpl $0, -12(%rbp)
.Ltmp5:
.loc 0 3 7 is_stmt 0 # main.cpp:3:7
je main.__part.2
jmp main.__part.1
.LBB_END2_0:
.cfi_endproc
.section .text.main,"ax",@progbits,unique,3
main.__part.1: # %if.then.i
.cfi_startproc
.cfi_def_cfa %rbp, 16
.cfi_offset %rbp, -16
.loc 0 4 5 is_stmt 1 # main.cpp:4:5
movl -12(%rbp), %eax
addl $1, %eax
movl %eax, -12(%rbp)
jmp main.__part.2
.LBB_END2_1:
.size main.__part.1, .LBB_END2_1-main.__part.1
.cfi_endproc
.section .text.main,"ax",@progbits,unique,4
main.__part.2: # %_Z7doStuffi.exit
.cfi_startproc
.cfi_def_cfa %rbp, 16
.cfi_offset %rbp, -16
.loc 0 5 10 # main.cpp:5:10
movl -12(%rbp), %eax
.Ltmp6:
.loc 0 15 38 # main.cpp:15:38
movl -20(%rbp), %ecx
movl %ecx, -4(%rbp)
.Ltmp7:
.loc 0 9 7 # main.cpp:9:7
movl $3, -8(%rbp)
.loc 0 10 10 # main.cpp:10:10
movl -4(%rbp), %ecx
.loc 0 10 14 is_stmt 0 # main.cpp:10:14
addl -8(%rbp), %ecx
.Ltmp8:
.loc 0 15 27 is_stmt 1 # main.cpp:15:27
addl %ecx, %eax
.loc 0 15 5 epilogue_begin is_stmt 0 # main.cpp:15:5
popq %rbp
.cfi_def_cfa %rsp, 8
retq
.LBB_END2_2:
.size main.__part.2, .LBB_END2_2-main.__part.2
.cfi_endproc
.section .text.main,"ax",@progbits
.Lfunc_end2:
.size main, .Lfunc_end2-main
# -- End function
.section .debug_abbrev,"",@progbits
.byte 1 # Abbreviation Code
.byte 74 # DW_TAG_skeleton_unit
.byte 0 # DW_CHILDREN_no
.byte 16 # DW_AT_stmt_list
.byte 23 # DW_FORM_sec_offset
.byte 114 # DW_AT_str_offsets_base
.byte 23 # DW_FORM_sec_offset
.byte 27 # DW_AT_comp_dir
.byte 37 # DW_FORM_strx1
.ascii "\264B" # DW_AT_GNU_pubnames
.byte 25 # DW_FORM_flag_present
.byte 118 # DW_AT_dwo_name
.byte 37 # DW_FORM_strx1
.byte 17 # DW_AT_low_pc
.byte 1 # DW_FORM_addr
.byte 85 # DW_AT_ranges
.byte 35 # DW_FORM_rnglistx
.byte 115 # DW_AT_addr_base
.byte 23 # DW_FORM_sec_offset
.byte 116 # DW_AT_rnglists_base
.byte 23 # DW_FORM_sec_offset
.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 4 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
.quad 1354107878901449185
.byte 1 # Abbrev [1] 0x14:0x1c DW_TAG_skeleton_unit
.long .Lline_table_start0 # DW_AT_stmt_list
.long .Lstr_offsets_base0 # DW_AT_str_offsets_base
.byte 0 # DW_AT_comp_dir
# DW_AT_GNU_pubnames
.byte 1 # DW_AT_dwo_name
.quad 0 # DW_AT_low_pc
.byte 0 # DW_AT_ranges
.long .Laddr_table_base0 # DW_AT_addr_base
.long .Lrnglists_table_base0 # DW_AT_rnglists_base
.Ldebug_info_end0:
.section .debug_rnglists,"",@progbits
.long .Ldebug_list_header_end0-.Ldebug_list_header_start0 # Length
.Ldebug_list_header_start0:
.short 5 # Version
.byte 8 # Address size
.byte 0 # Segment selector size
.long 1 # Offset entry count
.Lrnglists_table_base0:
.long .Ldebug_ranges4-.Lrnglists_table_base0
.Ldebug_ranges4:
.byte 3 # DW_RLE_startx_length
.byte 0 # start index
.uleb128 .LBB_END0_1-_Z7doStuffi.__part.1 # length
.byte 3 # DW_RLE_startx_length
.byte 1 # start index
.uleb128 .LBB_END0_2-_Z7doStuffi.__part.2 # length
.byte 3 # DW_RLE_startx_length
.byte 2 # start index
.uleb128 .Lfunc_end0-.Lfunc_begin0 # length
.byte 3 # DW_RLE_startx_length
.byte 3 # start index
.uleb128 .Lfunc_end1-.Lfunc_begin1 # length
.byte 3 # DW_RLE_startx_length
.byte 4 # start index
.uleb128 .LBB_END2_1-main.__part.1 # length
.byte 3 # DW_RLE_startx_length
.byte 5 # start index
.uleb128 .LBB_END2_2-main.__part.2 # length
.byte 3 # DW_RLE_startx_length
.byte 6 # start index
.uleb128 .Lfunc_end2-.Lfunc_begin2 # length
.byte 0 # DW_RLE_end_of_list
.Ldebug_list_header_end0:
.section .debug_str_offsets,"",@progbits
.long 12 # Length of String Offsets Set
.short 5
.short 0
.Lstr_offsets_base0:
.section .debug_str,"MS",@progbits,1
.Lskel_string0:
.asciz "." # string offset=0
.Lskel_string1:
.asciz "main.dwo" # string offset=38
.section .debug_str_offsets,"",@progbits
.long .Lskel_string0
.long .Lskel_string1
.section .debug_str_offsets.dwo,"e",@progbits
.long 60 # Length of String Offsets Set
.short 5
.short 0
.section .debug_str.dwo,"eMS",@progbits,1
.Linfo_string0:
.asciz "_Z7doStuffi" # string offset=0
.Linfo_string1:
.asciz "doStuff" # string offset=12
.Linfo_string2:
.asciz "int" # string offset=20
.Linfo_string3:
.asciz "val" # string offset=24
.Linfo_string4:
.asciz "_Z8doStuff2i" # string offset=28
.Linfo_string5:
.asciz "doStuff2" # string offset=41
.Linfo_string6:
.asciz "foo" # string offset=50
.Linfo_string7:
.asciz "main" # string offset=54
.Linfo_string8:
.asciz "argc" # string offset=59
.Linfo_string9:
.asciz "argv" # string offset=64
.Linfo_string10:
.asciz "char" # string offset=69
.Linfo_string11:
.asciz "clang version 18.0.0 (git@github.com:llvm/llvm-project.git 3a8db0f4bfb57348f49d9603119fa157114bbf8e)" # string offset=74
.Linfo_string12:
.asciz "main.cpp" # string offset=175
.Linfo_string13:
.asciz "main.dwo" # string offset=184
.section .debug_str_offsets.dwo,"e",@progbits
.long 0
.long 12
.long 20
.long 24
.long 28
.long 41
.long 50
.long 54
.long 59
.long 64
.long 69
.long 74
.long 175
.long 184
.section .debug_info.dwo,"e",@progbits
.long .Ldebug_info_dwo_end0-.Ldebug_info_dwo_start0 # Length of Unit
.Ldebug_info_dwo_start0:
.short 5 # DWARF version number
.byte 5 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long 0 # Offset Into Abbrev. Section
.quad 1354107878901449185
.byte 1 # Abbrev [1] 0x14:0xc6 DW_TAG_compile_unit
.byte 11 # DW_AT_producer
.short 33 # DW_AT_language
.byte 12 # DW_AT_name
.byte 13 # DW_AT_dwo_name
.byte 2 # Abbrev [2] 0x1a:0x11 DW_TAG_subprogram
.byte 0 # DW_AT_ranges
.byte 1 # DW_AT_frame_base
.byte 86
.long 72 # DW_AT_abstract_origin
.byte 3 # Abbrev [3] 0x22:0x8 DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 124
.long 81 # DW_AT_abstract_origin
.byte 0 # End Of Children Mark
.byte 4 # Abbrev [4] 0x2b:0x1d 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 86
.long 94 # DW_AT_abstract_origin
.byte 3 # Abbrev [3] 0x37:0x8 DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 124
.long 103 # DW_AT_abstract_origin
.byte 5 # Abbrev [5] 0x3f:0x8 DW_TAG_variable
.byte 2 # DW_AT_location
.byte 145
.byte 120
.long 111 # DW_AT_abstract_origin
.byte 0 # End Of Children Mark
.byte 6 # Abbrev [6] 0x48:0x12 DW_TAG_subprogram
.byte 0 # DW_AT_linkage_name
.byte 1 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 2 # DW_AT_decl_line
.long 90 # DW_AT_type
# DW_AT_external
# DW_AT_inline
.byte 7 # Abbrev [7] 0x51:0x8 DW_TAG_formal_parameter
.byte 3 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 2 # DW_AT_decl_line
.long 90 # DW_AT_type
.byte 0 # End Of Children Mark
.byte 8 # Abbrev [8] 0x5a:0x4 DW_TAG_base_type
.byte 2 # DW_AT_name
.byte 5 # DW_AT_encoding
.byte 4 # DW_AT_byte_size
.byte 6 # Abbrev [6] 0x5e:0x1a DW_TAG_subprogram
.byte 4 # DW_AT_linkage_name
.byte 5 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 8 # DW_AT_decl_line
.long 90 # DW_AT_type
# DW_AT_external
# DW_AT_inline
.byte 7 # Abbrev [7] 0x67:0x8 DW_TAG_formal_parameter
.byte 3 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 8 # DW_AT_decl_line
.long 90 # DW_AT_type
.byte 9 # Abbrev [9] 0x6f:0x8 DW_TAG_variable
.byte 6 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 9 # DW_AT_decl_line
.long 90 # DW_AT_type
.byte 0 # End Of Children Mark
.byte 10 # Abbrev [10] 0x78:0x4e DW_TAG_subprogram
.byte 1 # DW_AT_ranges
.byte 1 # DW_AT_frame_base
.byte 86
.byte 7 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 14 # DW_AT_decl_line
.long 90 # DW_AT_type
# DW_AT_external
.byte 11 # Abbrev [11] 0x83:0xb DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 108
.byte 8 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 14 # DW_AT_decl_line
.long 90 # DW_AT_type
.byte 11 # Abbrev [11] 0x8e:0xb DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 96
.byte 9 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 14 # DW_AT_decl_line
.long 198 # DW_AT_type
.byte 12 # Abbrev [12] 0x99:0x12 DW_TAG_inlined_subroutine
.long 72 # DW_AT_abstract_origin
.byte 2 # DW_AT_ranges
.byte 0 # DW_AT_call_file
.byte 15 # DW_AT_call_line
.byte 13 # DW_AT_call_column
.byte 3 # Abbrev [3] 0xa2:0x8 DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 116
.long 81 # DW_AT_abstract_origin
.byte 0 # End Of Children Mark
.byte 12 # Abbrev [12] 0xab:0x1a DW_TAG_inlined_subroutine
.long 94 # DW_AT_abstract_origin
.byte 3 # DW_AT_ranges
.byte 0 # DW_AT_call_file
.byte 15 # DW_AT_call_line
.byte 29 # DW_AT_call_column
.byte 3 # Abbrev [3] 0xb4:0x8 DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 124
.long 103 # DW_AT_abstract_origin
.byte 5 # Abbrev [5] 0xbc:0x8 DW_TAG_variable
.byte 2 # DW_AT_location
.byte 145
.byte 120
.long 111 # DW_AT_abstract_origin
.byte 0 # End Of Children Mark
.byte 0 # End Of Children Mark
.byte 13 # Abbrev [13] 0xc6:0x5 DW_TAG_pointer_type
.long 203 # DW_AT_type
.byte 13 # Abbrev [13] 0xcb:0x5 DW_TAG_pointer_type
.long 208 # DW_AT_type
.byte 14 # Abbrev [14] 0xd0:0x5 DW_TAG_const_type
.long 213 # DW_AT_type
.byte 8 # Abbrev [8] 0xd5:0x4 DW_TAG_base_type
.byte 10 # DW_AT_name
.byte 6 # DW_AT_encoding
.byte 1 # DW_AT_byte_size
.byte 0 # End Of Children Mark
.Ldebug_info_dwo_end0:
.section .debug_abbrev.dwo,"e",@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 118 # DW_AT_dwo_name
.byte 37 # DW_FORM_strx1
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 2 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_CHILDREN_yes
.byte 85 # DW_AT_ranges
.byte 35 # DW_FORM_rnglistx
.byte 64 # DW_AT_frame_base
.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 3 # 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 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 49 # DW_AT_abstract_origin
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 5 # Abbreviation Code
.byte 52 # DW_TAG_variable
.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 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.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 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 9 # Abbreviation Code
.byte 52 # DW_TAG_variable
.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 10 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_CHILDREN_yes
.byte 85 # DW_AT_ranges
.byte 35 # DW_FORM_rnglistx
.byte 64 # DW_AT_frame_base
.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 63 # DW_AT_external
.byte 25 # DW_FORM_flag_present
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 11 # 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 12 # Abbreviation Code
.byte 29 # DW_TAG_inlined_subroutine
.byte 1 # DW_CHILDREN_yes
.byte 49 # DW_AT_abstract_origin
.byte 19 # DW_FORM_ref4
.byte 85 # DW_AT_ranges
.byte 35 # DW_FORM_rnglistx
.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 13 # 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 14 # Abbreviation Code
.byte 38 # DW_TAG_const_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 0 # EOM(3)
.section .debug_rnglists.dwo,"e",@progbits
.long .Ldebug_list_header_end1-.Ldebug_list_header_start1 # Length
.Ldebug_list_header_start1:
.short 5 # Version
.byte 8 # Address size
.byte 0 # Segment selector size
.long 4 # Offset entry count
.Lrnglists_dwo_table_base0:
.long .Ldebug_ranges0-.Lrnglists_dwo_table_base0
.long .Ldebug_ranges1-.Lrnglists_dwo_table_base0
.long .Ldebug_ranges2-.Lrnglists_dwo_table_base0
.long .Ldebug_ranges3-.Lrnglists_dwo_table_base0
.Ldebug_ranges0:
.byte 3 # DW_RLE_startx_length
.byte 0 # start index
.uleb128 .LBB_END0_1-_Z7doStuffi.__part.1 # length
.byte 3 # DW_RLE_startx_length
.byte 1 # start index
.uleb128 .LBB_END0_2-_Z7doStuffi.__part.2 # length
.byte 3 # DW_RLE_startx_length
.byte 2 # start index
.uleb128 .Lfunc_end0-.Lfunc_begin0 # length
.byte 0 # DW_RLE_end_of_list
.Ldebug_ranges1:
.byte 3 # DW_RLE_startx_length
.byte 4 # start index
.uleb128 .LBB_END2_1-main.__part.1 # length
.byte 3 # DW_RLE_startx_length
.byte 5 # start index
.uleb128 .LBB_END2_2-main.__part.2 # length
.byte 3 # DW_RLE_startx_length
.byte 6 # start index
.uleb128 .Lfunc_end2-.Lfunc_begin2 # length
.byte 0 # DW_RLE_end_of_list
.Ldebug_ranges2:
.byte 1 # DW_RLE_base_addressx
.byte 6 # base address index
.byte 4 # DW_RLE_offset_pair
.uleb128 .Ltmp4-.Lfunc_begin2 # starting offset
.uleb128 .Lfunc_end2-.Lfunc_begin2 # ending offset
.byte 3 # DW_RLE_startx_length
.byte 4 # start index
.uleb128 .LBB_END2_1-main.__part.1 # length
.byte 3 # DW_RLE_startx_length
.byte 5 # start index
.uleb128 .Ltmp6-main.__part.2 # length
.byte 0 # DW_RLE_end_of_list
.Ldebug_ranges3:
.byte 1 # DW_RLE_base_addressx
.byte 5 # base address index
.byte 4 # DW_RLE_offset_pair
.uleb128 .Ltmp7-main.__part.2 # starting offset
.uleb128 .Ltmp8-main.__part.2 # ending offset
.byte 0 # DW_RLE_end_of_list
.Ldebug_list_header_end1:
.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 _Z7doStuffi.__part.1
.quad _Z7doStuffi.__part.2
.quad .Lfunc_begin0
.quad .Lfunc_begin1
.quad main.__part.1
.quad main.__part.2
.quad .Lfunc_begin2
.Ldebug_addr_end0:
.section .debug_gnu_pubnames,"",@progbits
.long .LpubNames_end0-.LpubNames_start0 # Length of Public Names Info
.LpubNames_start0:
.short 2 # DWARF Version
.long .Lcu_begin0 # Offset of Compilation Unit Info
.long 48 # Compilation Unit Length
.long 72 # DIE offset
.byte 48 # Attributes: FUNCTION, EXTERNAL
.asciz "doStuff" # External Name
.long 94 # DIE offset
.byte 48 # Attributes: FUNCTION, EXTERNAL
.asciz "doStuff2" # External Name
.long 120 # DIE offset
.byte 48 # Attributes: FUNCTION, EXTERNAL
.asciz "main" # External Name
.long 0 # End Mark
.LpubNames_end0:
.section .debug_gnu_pubtypes,"",@progbits
.long .LpubTypes_end0-.LpubTypes_start0 # Length of Public Types Info
.LpubTypes_start0:
.short 2 # DWARF Version
.long .Lcu_begin0 # Offset of Compilation Unit Info
.long 48 # Compilation Unit Length
.long 90 # DIE offset
.byte 144 # Attributes: TYPE, STATIC
.asciz "int" # External Name
.long 213 # DIE offset
.byte 144 # Attributes: TYPE, STATIC
.asciz "char" # External Name
.long 0 # End Mark
.LpubTypes_end0:
.ident "clang version 18.0.0 (git@github.com:llvm/llvm-project.git 3a8db0f4bfb57348f49d9603119fa157114bbf8e)"
.section ".note.GNU-stack","",@progbits
.addrsig
.section .debug_line,"",@progbits
.Lline_table_start0:

56
bolt/test/X86/dwarf4-df-input-lowpc-ranges.test Normal file
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; RUN: rm -rf %t
; RUN: mkdir %t
; RUN: cd %t
;; RUN: llvm-mc -dwarf-version=4 -filetype=obj -triple x86_64-unknown-linux %p/Inputs/dwarf4-df-input-lowpc-ranges-main.s \
; RUN: -split-dwarf-file=main.dwo -o main.o
; RUN: %clang %cflags -gdwarf-4 -gsplit-dwarf=split main.o -o main.exe
; RUN: llvm-bolt main.exe -o main.exe.bolt --update-debug-sections
; RUN: llvm-dwarfdump --show-form --verbose --debug-ranges main.exe.bolt &> %t/foo.txt
; RUN: llvm-dwarfdump --show-form --verbose --debug-info main.exe.bolt >> %t/foo.txt
; RUN: cat %t/foo.txt | FileCheck -check-prefix=BOLT %s
; RUN: not llvm-dwarfdump --show-form --verbose --debug-info main.dwo.dwo &> %t/mainddwodwo.txt
; RUN: cat %t/mainddwodwo.txt | FileCheck -check-prefix=BOLT-DWO-MAIN %s
; Tests BOLT handles correctly Skeleton CU which has DW_AT_low_pc/DW_AT_ranges as input.
; BOLT: .debug_ranges
; BOLT-NEXT: 00000000 <End of list>
; BOLT-NEXT: 00000010
; BOLT-NEXT: 00000010
; BOLT-NEXT: 00000010
; BOLT-NEXT: 00000010 <End of list>
; BOLT-NEXT: 00000050
; BOLT-NEXT: 00000050
; BOLT-NEXT: 00000050
; BOLT-NEXT: 00000050 <End of list>
; BOLT-NEXT: 00000090 [[#%.16x,ADDR1:]] [[#%.16x,ADDRB1:]]
; BOLT-NEXT: 00000090 [[#%.16x,ADDR2:]] [[#%.16x,ADDRB2:]]
; BOLT-NEXT: 00000090 [[#%.16x,ADDR3:]] [[#%.16x,ADDRB3:]]
; BOLT-NEXT: 00000090 [[#%.16x,ADDR4:]] [[#%.16x,ADDRB4:]]
; BOLT-NEXT: 00000090 [[#%.16x,ADDR5:]] [[#%.16x,ADDRB5:]]
; BOLT-NEXT: 00000090 [[#%.16x,ADDR6:]] [[#%.16x,ADDRB6:]]
; BOLT-NEXT: 00000090 [[#%.16x,ADDR7:]] [[#%.16x,ADDRB7:]]
; BOLT-NEXT: 00000090 <End of list>
; BOLT: DW_TAG_compile_unit
; BOLT: DW_AT_GNU_dwo_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-fA-F]+}}] = "main.dwo.dwo")
; BOLT-NEXT: DW_AT_GNU_dwo_id
; BOLT-NEXT: DW_AT_GNU_ranges_base [DW_FORM_sec_offset] (0x00000010)
; BOLT-NEXT: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000000)
; BOLT-NEXT: DW_AT_ranges [DW_FORM_sec_offset] (0x00000090
; BOLT-NEXT: [0x[[#ADDR1]], 0x[[#ADDRB1]])
; BOLT-NEXT: [0x[[#ADDR2]], 0x[[#ADDRB2]])
; BOLT-NEXT: [0x[[#ADDR3]], 0x[[#ADDRB3]])
; BOLT-NEXT: [0x[[#ADDR4]], 0x[[#ADDRB4]])
; BOLT-NEXT: [0x[[#ADDR5]], 0x[[#ADDRB5]])
; BOLT-NEXT: [0x[[#ADDR6]], 0x[[#ADDRB6]])
; BOLT-NEXT: [0x[[#ADDR7]], 0x[[#ADDRB7]])
; BOLT-NEXT: DW_AT_GNU_addr_base [DW_FORM_sec_offset] (0x00000000)
; BOLT-DWO-MAIN: DW_TAG_subprogram
; BOLT-DWO-MAIN-NEXT: DW_AT_ranges [DW_FORM_sec_offset] (0x00000000
; BOLT-DWO-MAIN: DW_TAG_subprogram
; BOLT-DWO-MAIN: DW_TAG_subprogram
; BOLT-DWO-MAIN: DW_TAG_subprogram
; BOLT-DWO-MAIN: DW_TAG_subprogram
; BOLT-DWO-MAIN-NEXT: DW_AT_ranges [DW_FORM_sec_offset] (0x00000040

51
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; RUN: rm -rf %t
; RUN: mkdir %t
; RUN: cd %t
;; RUN: llvm-mc -dwarf-version=5 -filetype=obj -triple x86_64-unknown-linux %p/Inputs/dwarf5-df-input-lowpc-ranges-main.s \
; RUN: -split-dwarf-file=main.dwo -o main.o
; RUN: %clang %cflags -gdwarf-4 -gsplit-dwarf=split main.o -o main.exe
; RUN: llvm-bolt main.exe -o main.exe.bolt --update-debug-sections
; RUN: llvm-dwarfdump --show-form --verbose --debug-rnglists main.exe.bolt &> %t/foo.txt
; RUN: llvm-dwarfdump --show-form --verbose --debug-addr main.exe.bolt >> %t/foo.txt
; RUN: llvm-dwarfdump --show-form --verbose --debug-info main.exe.bolt >> %t/foo.txt
; RUN: cat %t/foo.txt | FileCheck -check-prefix=BOLT %s
; RUN: llvm-dwarfdump --show-form --verbose --debug-info main.dwo.dwo &> %t/mainddwodwo.txt
; RUN: cat %t/mainddwodwo.txt | FileCheck -check-prefix=BOLT-DWO-MAIN %s
; Tests BOLT handles correctly Skeleton CU which has DW_AT_low_pc/DW_AT_ranges as input.
; BOLT: Addrs: [
; BOLT-NEXT: 0x[[#%.16x,ADDR1:]]
; BOLT-NEXT: 0x[[#%.16x,ADDR2:]]
; BOLT-NEXT: 0x[[#%.16x,ADDR3:]]
; BOLT-NEXT: 0x[[#%.16x,ADDR4:]]
; BOLT-NEXT: 0x[[#%.16x,ADDR5:]]
; BOLT: DW_TAG_skeleton_unit
; BOLT: DW_AT_dwo_name [DW_FORM_strx1] (indexed (00000001) string = "main.dwo.dwo")
; BOLT-NEXT: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000000)
; BOLT-NEXT: DW_AT_ranges [DW_FORM_rnglistx] (indexed (0x0) rangelist = 0x00000010
; BOLT-NEXT: [0x[[#ADDR1]], 0x[[#ADDR1 + 0x16]])
; BOLT-NEXT: [0x[[#ADDR1 + 0x16]], 0x[[#ADDR1 + 0x24]])
; BOLT-NEXT: [0x[[#ADDR1 + 0x24]], 0x[[#ADDR1 + 0x29]])
; BOLT-NEXT: [0x[[#ADDR1 + 0x30]], 0x[[#ADDR1 + 0x46]])
; BOLT-NEXT: [0x[[#ADDR1 + 0x50]], 0x[[#ADDR1 + 0x77]])
; BOLT-NEXT: [0x[[#ADDR1 + 0x77]], 0x[[#ADDR1 + 0x85]])
; BOLT-NEXT: [0x[[#ADDR1 + 0x85]], 0x[[#ADDR1 + 0x9f]])
; BOLT-NEXT: DW_AT_addr_base [DW_FORM_sec_offset] (0x00000008)
; BOLT-NEXT: DW_AT_rnglists_base [DW_FORM_sec_offset] (0x0000000c)
; BOLT-DWO-MAIN: DW_TAG_subprogram
; BOLT-DWO-MAIN-NEXT: DW_AT_ranges [DW_FORM_rnglistx] (indexed (0x0) rangelist = 0x00000014
; BOLT-DWO-MAIN-NEXT: [0x0000000000000000, 0x0000000000000016)
; BOLT-DWO-MAIN-NEXT: [0x0000000000000016, 0x0000000000000024)
; BOLT-DWO-MAIN-NEXT: [0x0000000000000024, 0x0000000000000029))
; BOLT-DWO-MAIN: DW_TAG_subprogram
; BOLT-DWO-MAIN: DW_TAG_subprogram
; BOLT-DWO-MAIN: DW_TAG_subprogram
; BOLT-DWO-MAIN: DW_TAG_subprogram
; BOLT-DWO-MAIN-NEXT: DW_AT_ranges [DW_FORM_rnglistx] (indexed (0x1) rangelist = 0x00000020
; BOLT-DWO-MAIN-NEXT: [0x0000000000000002, 0x0000000000000029)
; BOLT-DWO-MAIN-NEXT: [0x0000000000000029, 0x0000000000000037)
; BOLT-DWO-MAIN-NEXT: [0x0000000000000037, 0x0000000000000051))