| // REQUIRES: x86 | |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o | |
| # RUN: llvm-dwarfdump %t.o | FileCheck -check-prefix=INPUT %s | |
| # RUN: not ld.lld %t.o %t.o -o /dev/null 2>&1 | FileCheck %s | |
| # INPUT: .debug_info contents: | |
| # INPUT: DW_TAG_variable | |
| # INPUT-NEXT: DW_AT_name ("foo") | |
| # INPUT-NEXT: DW_AT_decl_file ("1.c") | |
| # INPUT-NEXT: DW_AT_decl_line (1) | |
| # INPUT-NEXT: DW_AT_type (0x00000032 "int") | |
| # INPUT-NEXT: DW_AT_external (true) | |
| # INPUT-NEXT: DW_AT_location (DW_OP_addr 0x0) | |
| # INPUT: DW_TAG_variable | |
| # INPUT-NEXT: DW_AT_name ("bar") | |
| # INPUT-NEXT: DW_AT_decl_file ("1.c") | |
| # INPUT-NEXT: DW_AT_decl_line (2) | |
| # INPUT-NEXT: DW_AT_type (0x00000032 "int") | |
| # INPUT-NEXT: DW_AT_external (true) | |
| # INPUT-NEXT: DW_AT_location (DW_OP_addr 0x0) | |
| ## Check we use information from .debug_info in messages. | |
| # CHECK: error: duplicate symbol: bar | |
| # CHECK-NEXT: >>> defined at 1.c:2 | |
| # CHECK-NEXT: >>> {{.*}}:(bar) | |
| # CHECK-NEXT: >>> defined at 1.c:2 | |
| # CHECK-NEXT: >>> {{.*}}:(.data+0x0) | |
| # CHECK: error: duplicate symbol: foo | |
| # CHECK-NEXT: >>> defined at 1.c:1 | |
| # CHECK-NEXT: >>> {{.*}}:(foo) | |
| # CHECK-NEXT: >>> defined at 1.c:1 | |
| # CHECK-NEXT: >>> {{.*}}:(.bss+0x0) | |
| ## Check that stripping debug sections does not break error reporting. | |
| # RUN: not ld.lld --strip-debug %t.o %t.o -o /dev/null 2>&1 | FileCheck %s | |
| # Used reduced output from following code and gcc 7.1.0 | |
| # to produce this input file: | |
| # Source (1.c): | |
| # int foo = 0; | |
| # int bar = 1; | |
| # static int zed = 3; | |
| # Invocation: g++ -g -S 1.c | |
| .data | |
| .globl bar | |
| .type bar, @object | |
| .size bar, 4 | |
| bar: | |
| .byte 0 | |
| .bss | |
| .globl foo | |
| .type foo, @object | |
| .size foo, 4 | |
| foo: | |
| .local zed | |
| zed: | |
| .text | |
| .file 1 "1.c" | |
| .section .debug_info,"",@progbits | |
| .long 0x5a # Compile Unit: length = 0x0000004b) | |
| .value 0x4 # version = 0x0004 | |
| .long 0 # abbr_offset = 0x0 | |
| .byte 0x8 # addr_size = 0x08 | |
| .uleb128 0x1 # DW_TAG_compile_unit [1] * | |
| .long 0 # DW_AT_producer [DW_FORM_strp] ( .debug_str[0x00000000] = ) | |
| .byte 0x4 # DW_AT_language [DW_FORM_data1] (DW_LANG_C_plus_plus) | |
| .string "1.c" # DW_AT_name [DW_FORM_string] ("1.c") | |
| .long 0 # DW_AT_comp_dir [DW_FORM_strp] ( .debug_str[0x00000000] = ) | |
| .long 0 # DW_AT_stmt_list [DW_FORM_sec_offset] (0x00000000) | |
| .uleb128 0x2 # DW_TAG_variable [2] | |
| .string "foo" # DW_AT_name [DW_FORM_string] ("foo") | |
| .byte 0x1 # DW_AT_decl_file [DW_FORM_data1] ("1.c") | |
| .byte 0x1 # DW_AT_decl_line [DW_FORM_data1] (1) | |
| .long 0x32 # DW_AT_type [DW_FORM_ref4] (cu + 0x0032 => {0x00000032}) | |
| .uleb128 0x9 # DW_AT_external [DW_FORM_flag_present] (true) | |
| .byte 0x3 | |
| .quad foo # DW_AT_location [DW_FORM_exprloc] (DW_OP_addr 0x0) | |
| .uleb128 0x3 # DW_TAG_base_type [3] | |
| .byte 0x4 # DW_AT_byte_size [DW_FORM_data1] (0x04) | |
| .byte 0x5 # DW_AT_encoding [DW_FORM_data1] (DW_ATE_signed) | |
| .string "int" # DW_AT_name [DW_FORM_string] ("int") | |
| .uleb128 0x2 # DW_TAG_variable [2] | |
| .string "bar" # DW_AT_name [DW_FORM_string] ("bar") | |
| .byte 0x1 # DW_AT_decl_file [DW_FORM_data1] ("1.c") | |
| .byte 0x2 # DW_AT_decl_line [DW_FORM_data1] (2) | |
| .long 0x32 # DW_AT_type [DW_FORM_ref4] (cu + 0x0032 => {0x00000032}) | |
| .uleb128 0x9 # DW_AT_external [DW_FORM_flag_present] (true) | |
| .byte 0x3 | |
| .quad bar # DW_AT_location [DW_FORM_exprloc] (DW_OP_addr 0x0) | |
| .uleb128 0x4 # DW_TAG_variable [2] | |
| .string "zed" # DW_AT_name [DW_FORM_string] ("zed") | |
| .byte 0x1 # DW_AT_decl_file [DW_FORM_data1] ("1.c") | |
| .byte 0x3 # DW_AT_decl_line [DW_FORM_data1] (2) | |
| .long 0x32 # DW_AT_type [DW_FORM_ref4] (cu + 0x0032 => {0x00000032}) | |
| .quad zed # DW_AT_location [DW_FORM_exprloc] (DW_OP_addr 0x0) | |
| .byte 0 # END | |
| .section .debug_abbrev,"",@progbits | |
| .uleb128 0x1 # Abbreviation code. | |
| .uleb128 0x11 # DW_TAG_compile_unit | |
| .byte 0x1 # ID | |
| .uleb128 0x25 # DW_AT_producer, DW_FORM_strp | |
| .uleb128 0xe | |
| .uleb128 0x13 # DW_AT_language, DW_FORM_data1 | |
| .uleb128 0xb | |
| .uleb128 0x3 # DW_AT_name, DW_FORM_string | |
| .uleb128 0x8 | |
| .uleb128 0x1b # DW_AT_comp_dir, DW_FORM_strp | |
| .uleb128 0xe | |
| .uleb128 0x10 # DW_AT_stmt_list, DW_FORM_sec_offset | |
| .uleb128 0x17 | |
| .byte 0 | |
| .byte 0 | |
| .uleb128 0x2 # ID | |
| .uleb128 0x34 # DW_TAG_variable, DW_CHILDREN_no | |
| .byte 0 | |
| .uleb128 0x3 # DW_AT_name, DW_FORM_string | |
| .uleb128 0x8 | |
| .uleb128 0x3a # DW_AT_decl_file, DW_FORM_data1 | |
| .uleb128 0xb | |
| .uleb128 0x3b # DW_AT_decl_line, DW_FORM_data1 | |
| .uleb128 0xb | |
| .uleb128 0x49 # DW_AT_type, DW_FORM_ref4 | |
| .uleb128 0x13 | |
| .uleb128 0x3f # DW_AT_external, DW_FORM_flag_present | |
| .uleb128 0x19 | |
| .uleb128 0x2 # DW_AT_location, DW_FORM_exprloc | |
| .uleb128 0x18 | |
| .byte 0 | |
| .byte 0 | |
| .uleb128 0x3 # ID | |
| .uleb128 0x24 # DW_TAG_base_type, DW_CHILDREN_no | |
| .byte 0 | |
| .uleb128 0xb # DW_AT_byte_size, DW_FORM_data1 | |
| .uleb128 0xb | |
| .uleb128 0x3e # DW_AT_encoding, DW_FORM_data1 | |
| .uleb128 0xb | |
| .uleb128 0x3 # DW_AT_name, DW_FORM_string | |
| .uleb128 0x8 | |
| .byte 0 | |
| .byte 0 | |
| .uleb128 0x4 # ID | |
| .uleb128 0x34 # DW_TAG_variable, DW_CHILDREN_no | |
| .byte 0 | |
| .uleb128 0x3 # DW_AT_name, DW_FORM_string | |
| .uleb128 0x8 | |
| .uleb128 0x3a # DW_AT_decl_file, DW_FORM_data1 | |
| .uleb128 0xb | |
| .uleb128 0x3b # DW_AT_decl_line, DW_FORM_data1 | |
| .uleb128 0xb | |
| .uleb128 0x49 # DW_AT_type, DW_FORM_ref4 | |
| .uleb128 0x13 | |
| .uleb128 0x2 # DW_AT_location, DW_FORM_exprloc | |
| .uleb128 0x18 | |
| .byte 0 | |
| .byte 0 | |
| .byte 0 |