4940128ace
The DWO Unit DIE, doesn't have low_pc/high_pc, so we were printing this error for valid cases. Reviewed By: maksfb Differential Revision: https://reviews.llvm.org/D155032
275 lines
12 KiB
ArmAsm
Executable File
275 lines
12 KiB
ArmAsm
Executable File
# int foo() { return 0; }
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# int main() { return foo(); }
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# clang++ -ffunction-sections -g2 -gdwarf-4 -gsplit-dwarf -S main.cpp
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.text
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.file "main.cpp"
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.globl _Z3foov # -- Begin function _Z3foov
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.p2align 4, 0x90
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.type _Z3foov,@function
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_Z3foov: # @_Z3foov
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.Lfunc_begin0:
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.file 1 "." "main.cpp"
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.loc 1 1 0 # main.cpp:1:0
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.cfi_startproc
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# %bb.0: # %entry
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pushq %rbp
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.cfi_def_cfa_offset 16
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.cfi_offset %rbp, -16
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movq %rsp, %rbp
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.cfi_def_cfa_register %rbp
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.Ltmp0:
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.loc 1 1 13 prologue_end # main.cpp:1:13
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xorl %eax, %eax
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.loc 1 1 13 epilogue_begin is_stmt 0 # main.cpp:1:13
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popq %rbp
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.cfi_def_cfa %rsp, 8
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retq
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.Ltmp1:
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.Lfunc_end0:
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.size _Z3foov, .Lfunc_end0-_Z3foov
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.cfi_endproc
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# -- End function
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.globl main # -- Begin function main
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.p2align 4, 0x90
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.type main,@function
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main: # @main
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.Lfunc_begin1:
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.loc 1 2 0 is_stmt 1 # main.cpp:2:0
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.cfi_startproc
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# %bb.0: # %entry
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pushq %rbp
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.cfi_def_cfa_offset 16
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.cfi_offset %rbp, -16
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movq %rsp, %rbp
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.cfi_def_cfa_register %rbp
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subq $16, %rsp
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movl $0, -4(%rbp)
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.Ltmp2:
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.loc 1 2 21 prologue_end # main.cpp:2:21
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callq _Z3foov
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.loc 1 2 14 epilogue_begin is_stmt 0 # main.cpp:2:14
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addq $16, %rsp
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popq %rbp
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.cfi_def_cfa %rsp, 8
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retq
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.Ltmp3:
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.Lfunc_end1:
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.size main, .Lfunc_end1-main
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.cfi_endproc
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# -- End function
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.section .debug_abbrev,"",@progbits
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.byte 1 # Abbreviation Code
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.byte 17 # DW_TAG_compile_unit
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.byte 0 # DW_CHILDREN_no
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.byte 16 # DW_AT_stmt_list
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.byte 23 # DW_FORM_sec_offset
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.byte 27 # DW_AT_comp_dir
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.byte 14 # DW_FORM_strp
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.ascii "\264B" # DW_AT_GNU_pubnames
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.byte 25 # DW_FORM_flag_present
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.ascii "\260B" # DW_AT_GNU_dwo_name
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.byte 14 # DW_FORM_strp
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.ascii "\261B" # DW_AT_GNU_dwo_id
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.byte 7 # DW_FORM_data8
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.byte 17 # DW_AT_low_pc
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.byte 1 # DW_FORM_addr
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.byte 18 # DW_AT_high_pc
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.byte 6 # DW_FORM_data4
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.ascii "\263B" # DW_AT_GNU_addr_base
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.byte 23 # DW_FORM_sec_offset
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 0 # EOM(3)
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.section .debug_info,"",@progbits
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.Lcu_begin0:
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.long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
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.Ldebug_info_start0:
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.short 4 # DWARF version number
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.long .debug_abbrev # Offset Into Abbrev. Section
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.byte 8 # Address Size (in bytes)
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.byte 1 # Abbrev [1] 0xb:0x25 DW_TAG_compile_unit
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.long .Lline_table_start0 # DW_AT_stmt_list
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.long .Lskel_string0 # DW_AT_comp_dir
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# DW_AT_GNU_pubnames
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.long .Lskel_string1 # DW_AT_GNU_dwo_name
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.quad -252790171939032967 # DW_AT_GNU_dwo_id
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.quad .Lfunc_begin0 # DW_AT_low_pc
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.long .Lfunc_end1-.Lfunc_begin0 # DW_AT_high_pc
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.long .Laddr_table_base0 # DW_AT_GNU_addr_base
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.Ldebug_info_end0:
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.section .debug_str,"MS",@progbits,1
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.Lskel_string0:
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.asciz "." # string offset=0
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.Lskel_string1:
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.asciz "main.dwo" # string offset=59
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.section .debug_str.dwo,"eMS",@progbits,1
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.Linfo_string0:
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.asciz "_Z3foov" # string offset=0
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.Linfo_string1:
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.asciz "foo" # string offset=8
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.Linfo_string2:
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.asciz "int" # string offset=12
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.Linfo_string3:
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.asciz "main" # string offset=16
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.Linfo_string4:
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.asciz "clang version 17.0.0 (https://github.com/llvm/llvm-project.git 640e07c49037cca41a1bfbeb916b569d8c950aea)" # string offset=21
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.Linfo_string5:
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.asciz "main.cpp" # string offset=126
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.Linfo_string6:
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.asciz "main.dwo" # string offset=135
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.section .debug_str_offsets.dwo,"e",@progbits
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.long 0
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.long 8
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.long 12
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.long 16
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.long 21
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.long 126
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.long 135
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.section .debug_info.dwo,"e",@progbits
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.long .Ldebug_info_dwo_end0-.Ldebug_info_dwo_start0 # Length of Unit
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.Ldebug_info_dwo_start0:
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.short 4 # DWARF version number
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.long 0 # Offset Into Abbrev. Section
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.byte 8 # Address Size (in bytes)
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.byte 1 # Abbrev [1] 0xb:0x32 DW_TAG_compile_unit
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.byte 4 # DW_AT_producer
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.short 33 # DW_AT_language
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.byte 5 # DW_AT_name
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.byte 6 # DW_AT_GNU_dwo_name
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.quad -252790171939032967 # DW_AT_GNU_dwo_id
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.byte 2 # Abbrev [2] 0x19:0x10 DW_TAG_subprogram
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.byte 0 # DW_AT_low_pc
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.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
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.byte 1 # DW_AT_frame_base
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.byte 86
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.byte 0 # DW_AT_linkage_name
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.byte 1 # DW_AT_name
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.byte 1 # DW_AT_decl_file
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.byte 1 # DW_AT_decl_line
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.long 56 # DW_AT_type
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# DW_AT_external
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.byte 3 # Abbrev [3] 0x29:0xf DW_TAG_subprogram
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.byte 1 # DW_AT_low_pc
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.long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc
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.byte 1 # DW_AT_frame_base
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.byte 86
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.byte 3 # DW_AT_name
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.byte 1 # DW_AT_decl_file
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.byte 2 # DW_AT_decl_line
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.long 56 # DW_AT_type
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# DW_AT_external
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.byte 4 # Abbrev [4] 0x38:0x4 DW_TAG_base_type
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.byte 2 # DW_AT_name
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.byte 5 # DW_AT_encoding
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.byte 4 # DW_AT_byte_size
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.byte 0 # End Of Children Mark
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.Ldebug_info_dwo_end0:
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.section .debug_abbrev.dwo,"e",@progbits
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.byte 1 # Abbreviation Code
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.byte 17 # DW_TAG_compile_unit
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.byte 1 # DW_CHILDREN_yes
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.byte 37 # DW_AT_producer
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.ascii "\202>" # DW_FORM_GNU_str_index
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.byte 19 # DW_AT_language
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.byte 5 # DW_FORM_data2
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.byte 3 # DW_AT_name
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.ascii "\202>" # DW_FORM_GNU_str_index
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.ascii "\260B" # DW_AT_GNU_dwo_name
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.ascii "\202>" # DW_FORM_GNU_str_index
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.ascii "\261B" # DW_AT_GNU_dwo_id
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.byte 7 # DW_FORM_data8
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 2 # Abbreviation Code
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.byte 46 # DW_TAG_subprogram
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.byte 0 # DW_CHILDREN_no
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.byte 17 # DW_AT_low_pc
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.ascii "\201>" # DW_FORM_GNU_addr_index
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.byte 18 # DW_AT_high_pc
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.byte 6 # DW_FORM_data4
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.byte 64 # DW_AT_frame_base
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.byte 24 # DW_FORM_exprloc
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.byte 110 # DW_AT_linkage_name
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.ascii "\202>" # DW_FORM_GNU_str_index
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.byte 3 # DW_AT_name
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.ascii "\202>" # DW_FORM_GNU_str_index
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.byte 58 # DW_AT_decl_file
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.byte 11 # DW_FORM_data1
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.byte 59 # DW_AT_decl_line
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.byte 11 # DW_FORM_data1
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.byte 73 # DW_AT_type
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.byte 19 # DW_FORM_ref4
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.byte 63 # DW_AT_external
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.byte 25 # DW_FORM_flag_present
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 3 # Abbreviation Code
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.byte 46 # DW_TAG_subprogram
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.byte 0 # DW_CHILDREN_no
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.byte 17 # DW_AT_low_pc
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.ascii "\201>" # DW_FORM_GNU_addr_index
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.byte 18 # DW_AT_high_pc
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.byte 6 # DW_FORM_data4
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.byte 64 # DW_AT_frame_base
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.byte 24 # DW_FORM_exprloc
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.byte 3 # DW_AT_name
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.ascii "\202>" # DW_FORM_GNU_str_index
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.byte 58 # DW_AT_decl_file
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.byte 11 # DW_FORM_data1
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.byte 59 # DW_AT_decl_line
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.byte 11 # DW_FORM_data1
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.byte 73 # DW_AT_type
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.byte 19 # DW_FORM_ref4
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.byte 63 # DW_AT_external
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.byte 25 # DW_FORM_flag_present
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 4 # Abbreviation Code
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.byte 36 # DW_TAG_base_type
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.byte 0 # DW_CHILDREN_no
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.byte 3 # DW_AT_name
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.ascii "\202>" # DW_FORM_GNU_str_index
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.byte 62 # DW_AT_encoding
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.byte 11 # DW_FORM_data1
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.byte 11 # DW_AT_byte_size
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.byte 11 # DW_FORM_data1
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 0 # EOM(3)
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.section .debug_addr,"",@progbits
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.Laddr_table_base0:
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.quad .Lfunc_begin0
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.quad .Lfunc_begin1
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.section .debug_gnu_pubnames,"",@progbits
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.long .LpubNames_end0-.LpubNames_start0 # Length of Public Names Info
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.LpubNames_start0:
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.short 2 # DWARF Version
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.long .Lcu_begin0 # Offset of Compilation Unit Info
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.long 48 # Compilation Unit Length
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.long 41 # DIE offset
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.byte 48 # Attributes: FUNCTION, EXTERNAL
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.asciz "main" # External Name
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.long 25 # DIE offset
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.byte 48 # Attributes: FUNCTION, EXTERNAL
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.asciz "foo" # External Name
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.long 0 # End Mark
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.LpubNames_end0:
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.section .debug_gnu_pubtypes,"",@progbits
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.long .LpubTypes_end0-.LpubTypes_start0 # Length of Public Types Info
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.LpubTypes_start0:
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.short 2 # DWARF Version
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.long .Lcu_begin0 # Offset of Compilation Unit Info
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.long 48 # Compilation Unit Length
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.long 56 # DIE offset
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.byte 144 # Attributes: TYPE, STATIC
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.asciz "int" # External Name
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.long 0 # End Mark
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.LpubTypes_end0:
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.ident "clang version 17.0.0 (https://github.com/llvm/llvm-project.git 640e07c49037cca41a1bfbeb916b569d8c950aea)"
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.section ".note.GNU-stack","",@progbits
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.addrsig
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.addrsig_sym _Z3foov
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.section .debug_line,"",@progbits
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.Lline_table_start0:
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