# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
# RUN: llvm-dwarfdump -v %t.o | FileCheck -check-prefix=INPUT %s
# INPUT: .debug_info contents:
# INPUT: DW_TAG_variable
# INPUT-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x00000027] = "foo")
# INPUT-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x0033 => {0x00000033} "int")
# INPUT-NEXT: DW_AT_external [DW_FORM_flag_present] (true)
# INPUT-NEXT: DW_AT_decl_file [DW_FORM_data1] ("/home/path/test.c")
# INPUT-NEXT: DW_AT_decl_line [DW_FORM_data1] (1)
# INPUT-NEXT: DW_AT_location [DW_FORM_exprloc] (DW_OP_addr 0x0)
# INPUT: DW_TAG_variable
# INPUT-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x0000002f] = "bar")
# INPUT-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x0033 => {0x00000033} "int")
# INPUT-NEXT: DW_AT_external [DW_FORM_flag_present] (true)
# INPUT-NEXT: DW_AT_decl_file [DW_FORM_data1] ("/home/path/test.c")
# INPUT-NEXT: DW_AT_decl_line [DW_FORM_data1] (2)
# INPUT-NEXT: DW_AT_location [DW_FORM_exprloc] (DW_OP_addr 0x0)
## Check we use information from .debug_info in messages.
# RUN: not ld.lld %t.o %t.o -o /dev/null 2>&1 | FileCheck %s
# CHECK: duplicate symbol: bar
# CHECK-NEXT: >>> defined at test.c:2
# CHECK-NEXT: >>> {{.*}}:(bar)
# CHECK-NEXT: >>> defined at test.c:2
# CHECK-NEXT: >>> {{.*}}:(.data+0x0)
# CHECK: duplicate symbol: foo
# CHECK-NEXT: >>> defined at test.c:1
# CHECK-NEXT: >>> {{.*}}:(foo)
# CHECK-NEXT: >>> defined at test.c:1
# CHECK-NEXT: >>> {{.*}}:(.bss+0x0)
# Used reduced output from following code and clang
# version 6.0.0 (trunk 316661) to produce this input file:
# Source (test.c):
# int foo = 0;
# int bar = 1;
# Invocation: clang -g -S test.c
.text
.file "test.c"
.file 1 "test.c"
.type bar,@object
.data
.globl bar
.p2align 2
bar:
.long 1
.size bar, 4
.type foo,@object
.bss
.globl foo
.p2align 2
foo:
.long 0
.size foo, 4
.section .debug_str,"MS",@progbits,1
.Linfo_string0:
.asciz "clang version 6.0.0"
.Linfo_string1:
.asciz "test.c"
.Linfo_string2:
.asciz "/home/path/"
.Linfo_string3:
.asciz "foo"
.Linfo_string4:
.asciz "int"
.Linfo_string5:
.asciz "bar"
.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 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 14 # DW_FORM_strp
.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 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 76 # 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:0x45 DW_TAG_compile_unit
.long .Linfo_string0 # DW_AT_producer
.short 12 # DW_AT_language
.long .Linfo_string1 # DW_AT_name
.long 0 # DW_AT_stmt_list
.long .Linfo_string2 # DW_AT_comp_dir
.byte 2 # Abbrev [2] 0x1e:0x15 DW_TAG_variable
.long .Linfo_string3 # DW_AT_name
.long 51 # DW_AT_type
.byte 1 # DW_AT_decl_file
.byte 1 # DW_AT_decl_line
.byte 9 # DW_AT_location
.byte 3
.quad foo
.byte 3 # Abbrev [3] 0x33:0x7 DW_TAG_base_type
.long .Linfo_string4 # DW_AT_name
.byte 5 # DW_AT_encoding
.byte 4 # DW_AT_byte_size
.byte 2 # Abbrev [2] 0x3a:0x15 DW_TAG_variable
.long .Linfo_string5 # DW_AT_name
.long 51 # DW_AT_type
.byte 1 # DW_AT_decl_file
.byte 2 # DW_AT_decl_line
.byte 9 # DW_AT_location
.byte 3
.quad bar
.byte 0 # End Of Children Mark
Codebase Browser
llvm