1// REQUIRES: x86 2# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o 3# RUN: llvm-dwarfdump %t.o | FileCheck -check-prefix=INPUT %s 4# RUN: not ld.lld %t.o %t.o -o /dev/null 2>&1 | FileCheck %s 5 6# INPUT: .debug_info contents: 7# INPUT: DW_TAG_variable 8# INPUT-NEXT: DW_AT_name ("foo") 9# INPUT-NEXT: DW_AT_decl_file ("1.c") 10# INPUT-NEXT: DW_AT_decl_line (1) 11# INPUT-NEXT: DW_AT_type (0x00000032 "int") 12# INPUT-NEXT: DW_AT_external (true) 13# INPUT-NEXT: DW_AT_location (DW_OP_addr 0x0) 14# INPUT: DW_TAG_variable 15# INPUT-NEXT: DW_AT_name ("bar") 16# INPUT-NEXT: DW_AT_decl_file ("1.c") 17# INPUT-NEXT: DW_AT_decl_line (2) 18# INPUT-NEXT: DW_AT_type (0x00000032 "int") 19# INPUT-NEXT: DW_AT_external (true) 20# INPUT-NEXT: DW_AT_location (DW_OP_addr 0x0) 21 22## Check we use information from .debug_info in messages. 23# CHECK: duplicate symbol: bar 24# CHECK-NEXT: >>> defined at 1.c:2 25# CHECK-NEXT: >>> {{.*}}:(bar) 26# CHECK-NEXT: >>> defined at 1.c:2 27# CHECK-NEXT: >>> {{.*}}:(.data+0x0) 28# CHECK: duplicate symbol: foo 29# CHECK-NEXT: >>> defined at 1.c:1 30# CHECK-NEXT: >>> {{.*}}:(foo) 31# CHECK-NEXT: >>> defined at 1.c:1 32# CHECK-NEXT: >>> {{.*}}:(.bss+0x0) 33 34## Check that stripping debug sections does not break error reporting. 35# RUN: not ld.lld --strip-debug %t.o %t.o -o /dev/null 2>&1 | FileCheck %s 36 37# Used reduced output from following code and gcc 7.1.0 38# to produce this input file: 39# Source (1.c): 40# int foo = 0; 41# int bar = 1; 42# static int zed = 3; 43# Invocation: g++ -g -S 1.c 44 45.data 46.globl bar 47.type bar, @object 48.size bar, 4 49bar: 50 .byte 0 51 52.bss 53.globl foo 54.type foo, @object 55.size foo, 4 56foo: 57 58.local zed 59zed: 60 61.text 62.file 1 "1.c" 63 64.section .debug_info,"",@progbits 65 .long 0x5a # Compile Unit: length = 0x0000004b) 66 .value 0x4 # version = 0x0004 67 .long 0 # abbr_offset = 0x0 68 .byte 0x8 # addr_size = 0x08 69 70 .uleb128 0x1 # DW_TAG_compile_unit [1] * 71 .long 0 # DW_AT_producer [DW_FORM_strp] ( .debug_str[0x00000000] = ) 72 .byte 0x4 # DW_AT_language [DW_FORM_data1] (DW_LANG_C_plus_plus) 73 .string "1.c" # DW_AT_name [DW_FORM_string] ("1.c") 74 .long 0 # DW_AT_comp_dir [DW_FORM_strp] ( .debug_str[0x00000000] = ) 75 .long 0 # DW_AT_stmt_list [DW_FORM_sec_offset] (0x00000000) 76 77 .uleb128 0x2 # DW_TAG_variable [2] 78 .string "foo" # DW_AT_name [DW_FORM_string] ("foo") 79 .byte 0x1 # DW_AT_decl_file [DW_FORM_data1] ("1.c") 80 .byte 0x1 # DW_AT_decl_line [DW_FORM_data1] (1) 81 .long 0x32 # DW_AT_type [DW_FORM_ref4] (cu + 0x0032 => {0x00000032}) 82 .uleb128 0x9 # DW_AT_external [DW_FORM_flag_present] (true) 83 .byte 0x3 84 .quad foo # DW_AT_location [DW_FORM_exprloc] (DW_OP_addr 0x0) 85 86 .uleb128 0x3 # DW_TAG_base_type [3] 87 .byte 0x4 # DW_AT_byte_size [DW_FORM_data1] (0x04) 88 .byte 0x5 # DW_AT_encoding [DW_FORM_data1] (DW_ATE_signed) 89 .string "int" # DW_AT_name [DW_FORM_string] ("int") 90 91 .uleb128 0x2 # DW_TAG_variable [2] 92 .string "bar" # DW_AT_name [DW_FORM_string] ("bar") 93 .byte 0x1 # DW_AT_decl_file [DW_FORM_data1] ("1.c") 94 .byte 0x2 # DW_AT_decl_line [DW_FORM_data1] (2) 95 .long 0x32 # DW_AT_type [DW_FORM_ref4] (cu + 0x0032 => {0x00000032}) 96 .uleb128 0x9 # DW_AT_external [DW_FORM_flag_present] (true) 97 .byte 0x3 98 .quad bar # DW_AT_location [DW_FORM_exprloc] (DW_OP_addr 0x0) 99 100 .uleb128 0x4 # DW_TAG_variable [2] 101 .string "zed" # DW_AT_name [DW_FORM_string] ("zed") 102 .byte 0x1 # DW_AT_decl_file [DW_FORM_data1] ("1.c") 103 .byte 0x3 # DW_AT_decl_line [DW_FORM_data1] (2) 104 .long 0x32 # DW_AT_type [DW_FORM_ref4] (cu + 0x0032 => {0x00000032}) 105 .quad zed # DW_AT_location [DW_FORM_exprloc] (DW_OP_addr 0x0) 106 107 .byte 0 # END 108 109 110.section .debug_abbrev,"",@progbits 111 .uleb128 0x1 # Abbreviation code. 112 .uleb128 0x11 # DW_TAG_compile_unit 113 114 .byte 0x1 # ID 115 .uleb128 0x25 # DW_AT_producer, DW_FORM_strp 116 .uleb128 0xe 117 .uleb128 0x13 # DW_AT_language, DW_FORM_data1 118 .uleb128 0xb 119 .uleb128 0x3 # DW_AT_name, DW_FORM_string 120 .uleb128 0x8 121 .uleb128 0x1b # DW_AT_comp_dir, DW_FORM_strp 122 .uleb128 0xe 123 .uleb128 0x10 # DW_AT_stmt_list, DW_FORM_sec_offset 124 .uleb128 0x17 125 .byte 0 126 .byte 0 127 128 .uleb128 0x2 # ID 129 .uleb128 0x34 # DW_TAG_variable, DW_CHILDREN_no 130 .byte 0 131 .uleb128 0x3 # DW_AT_name, DW_FORM_string 132 .uleb128 0x8 133 .uleb128 0x3a # DW_AT_decl_file, DW_FORM_data1 134 .uleb128 0xb 135 .uleb128 0x3b # DW_AT_decl_line, DW_FORM_data1 136 .uleb128 0xb 137 .uleb128 0x49 # DW_AT_type, DW_FORM_ref4 138 .uleb128 0x13 139 .uleb128 0x3f # DW_AT_external, DW_FORM_flag_present 140 .uleb128 0x19 141 .uleb128 0x2 # DW_AT_location, DW_FORM_exprloc 142 .uleb128 0x18 143 .byte 0 144 .byte 0 145 146 .uleb128 0x3 # ID 147 .uleb128 0x24 # DW_TAG_base_type, DW_CHILDREN_no 148 .byte 0 149 .uleb128 0xb # DW_AT_byte_size, DW_FORM_data1 150 .uleb128 0xb 151 .uleb128 0x3e # DW_AT_encoding, DW_FORM_data1 152 .uleb128 0xb 153 .uleb128 0x3 # DW_AT_name, DW_FORM_string 154 .uleb128 0x8 155 .byte 0 156 .byte 0 157 158 .uleb128 0x4 # ID 159 .uleb128 0x34 # DW_TAG_variable, DW_CHILDREN_no 160 .byte 0 161 .uleb128 0x3 # DW_AT_name, DW_FORM_string 162 .uleb128 0x8 163 .uleb128 0x3a # DW_AT_decl_file, DW_FORM_data1 164 .uleb128 0xb 165 .uleb128 0x3b # DW_AT_decl_line, DW_FORM_data1 166 .uleb128 0xb 167 .uleb128 0x49 # DW_AT_type, DW_FORM_ref4 168 .uleb128 0x13 169 .uleb128 0x2 # DW_AT_location, DW_FORM_exprloc 170 .uleb128 0x18 171 .byte 0 172 .byte 0 173 174 .byte 0 175