+++ /dev/null
-# REQUIRES: x86-registered-target
-# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
-# RUN: llvm-symbolizer 0x0 0x3 0x4 --obj=%t.o | FileCheck %s
-# This test makes sure we don't attempt to access out of the line table boundaries
-# if the last range is empty.
-# Produced from the following program:
-# int func(int a) {
-# return 1 + a;
-# }
-# compiled with clang -O3 -g -S
-# Edited by adding a redundant, empty last range.
-# The line table (llvm-dwarfdump --debug-line) looks like:
-#
-# Address Line Column File ISA Discriminator Flags
-# ------------------ ------ ------ ------ --- ------------- -------------
-# 0x0000000000000000 1 0 1 0 0 is_stmt
-# 0x0000000000000000 2 12 1 0 0 is_stmt prologue_end
-# 0x0000000000000003 2 3 1 0 0
-# 0x0000000000000003 3 3 1 0 0
-# 0x0000000000000004 3 3 1 0 0 end_sequence
-#
-# CHECK: func
-# CHECK: /scratch/a.cpp:2:12
-# CHECK: func
-# CHECK: /scratch/a.cpp:3:3
-# CHECK: ??
-# CHECK: ??:0:0
-
- .text
- .file "a.cpp"
- .globl _Z4funci # -- Begin function _Z4funci
- .p2align 4, 0x90
- .type _Z4funci,@function
-_Z4funci: # @_Z4funci
-.Lfunc_begin0:
- .file 1 "/llvm-project" "/scratch/a.cpp"
- .loc 1 1 0 # /scratch/a.cpp:1:0
- .cfi_startproc
-# %bb.0:
- #DEBUG_VALUE: func:a <- $edi
- # kill: def $edi killed $edi def $rdi
- #DEBUG_VALUE: func:a <- $edi
- .loc 1 2 12 prologue_end # /scratch/a.cpp:2:12
- leal 1(%rdi), %eax
- .loc 1 2 3 # /scratch/a.cpp:2:3
- .loc 1 3 3 is_stmt 0 # this forms an empty range torgether with the previous.
- retq
-.Ltmp0:
-.Lfunc_end0:
- .size _Z4funci, .Lfunc_end0-_Z4funci
- .cfi_endproc
- # -- End function
- .section .debug_str,"MS",@progbits,1
-.Linfo_string0:
- .asciz "clang version 7.0.1-6 (tags/RELEASE_701/final)" # string offset=0
-.Linfo_string1:
- .asciz "/scratch/a.cpp" # string offset=47
-.Linfo_string2:
- .asciz "/llvm-project" # string offset=97
-.Linfo_string3:
- .asciz "_Z4funci" # string offset=146
-.Linfo_string4:
- .asciz "func" # string offset=155
-.Linfo_string5:
- .asciz "int" # string offset=160
-.Linfo_string6:
- .asciz "a" # string offset=164
- .section .debug_loc,"",@progbits
-.Ldebug_loc0:
- .quad .Lfunc_begin0-.Lfunc_begin0
- .quad .Lfunc_end0-.Lfunc_begin0
- .short 1 # Loc expr size
- .byte 85 # super-register DW_OP_reg5
- .quad 0
- .quad 0
- .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 3 # DW_AT_name
- .byte 14 # DW_FORM_strp
- .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
- .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 64 # DW_AT_frame_base
- .byte 24 # DW_FORM_exprloc
- .byte 110 # DW_AT_linkage_name
- .byte 14 # DW_FORM_strp
- .byte 3 # DW_AT_name
- .byte 14 # DW_FORM_strp
- .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 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 14 # DW_FORM_strp
- .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 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 91 # Length of Unit
- .short 4 # DWARF version number
- .long .debug_abbrev # Offset Into Abbrev. Section
- .byte 8 # Address Size (in bytes)
- .byte 1 # Abbrev [1] 0xb:0x54 DW_TAG_compile_unit
- .long .Linfo_string0 # DW_AT_producer
- .short 4 # DW_AT_language
- .long .Linfo_string1 # DW_AT_name
- .long .Lline_table_start0 # DW_AT_stmt_list
- .long .Linfo_string2 # DW_AT_comp_dir
- # DW_AT_GNU_pubnames
- .quad .Lfunc_begin0 # DW_AT_low_pc
- .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
- .byte 2 # Abbrev [2] 0x2a:0x2d DW_TAG_subprogram
- .quad .Lfunc_begin0 # DW_AT_low_pc
- .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
- .byte 1 # DW_AT_frame_base
- .byte 87
- .long .Linfo_string3 # DW_AT_linkage_name
- .long .Linfo_string4 # DW_AT_name
- .byte 1 # DW_AT_decl_file
- .byte 1 # DW_AT_decl_line
- .long 87 # DW_AT_type
- # DW_AT_external
- .byte 3 # Abbrev [3] 0x47:0xf DW_TAG_formal_parameter
- .long .Ldebug_loc0 # DW_AT_location
- .long .Linfo_string6 # DW_AT_name
- .byte 1 # DW_AT_decl_file
- .byte 1 # DW_AT_decl_line
- .long 87 # DW_AT_type
- .byte 0 # End Of Children Mark
- .byte 4 # Abbrev [4] 0x57:0x7 DW_TAG_base_type
- .long .Linfo_string5 # DW_AT_name
- .byte 5 # DW_AT_encoding
- .byte 4 # DW_AT_byte_size
- .byte 0 # End Of Children Mark
- .section .debug_macinfo,"",@progbits
- .byte 0 # End Of Macro List Mark
- .section .debug_pubnames,"",@progbits
- .long .LpubNames_end0-.LpubNames_begin0 # Length of Public Names Info
-.LpubNames_begin0:
- .short 2 # DWARF Version
- .long .Lcu_begin0 # Offset of Compilation Unit Info
- .long 95 # Compilation Unit Length
- .long 42 # DIE offset
- .asciz "func" # External Name
- .long 0 # End Mark
-.LpubNames_end0:
- .section .debug_pubtypes,"",@progbits
- .long .LpubTypes_end0-.LpubTypes_begin0 # Length of Public Types Info
-.LpubTypes_begin0:
- .short 2 # DWARF Version
- .long .Lcu_begin0 # Offset of Compilation Unit Info
- .long 95 # Compilation Unit Length
- .long 87 # DIE offset
- .asciz "int" # External Name
- .long 0 # End Mark
-.LpubTypes_end0:
-
- .ident "clang version 7.0.1-6 (tags/RELEASE_701/final)"
- .section ".note.GNU-stack","",@progbits
- .addrsig
- .section .debug_line,"",@progbits
-.Lline_table_start0: