2018-06-06 21:56:51 +08:00
|
|
|
# REQUIRES: x86
|
2017-11-17 19:57:47 +08:00
|
|
|
# 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.
|
2018-07-03 01:48:23 +08:00
|
|
|
# RUN: not ld.lld %t.o %t.o -o /dev/null 2>&1 | FileCheck %s
|
2017-11-17 19:57:47 +08:00
|
|
|
# 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 foo,@object
|
|
|
|
.bss
|
|
|
|
.globl foo
|
|
|
|
.p2align 2
|
|
|
|
foo:
|
|
|
|
.long 0
|
|
|
|
.size foo, 4
|
|
|
|
|
|
|
|
.type bar,@object
|
|
|
|
.data
|
|
|
|
.globl bar
|
|
|
|
.p2align 2
|
|
|
|
bar:
|
|
|
|
.long 1
|
|
|
|
.size bar, 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
|