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03316a5291
In DWARF v5 the Line Number Program Header is extensible, allowing values with new content types. In this extension a content type is added, DW_LNCT_LLVM_source, which contains the embedded source code of the file. Add new optional attribute for !DIFile IR metadata called source which contains source text. Use this to output the source to the DWARF line table of code objects. Analogously extend METADATA_FILE in Bitcode and .file directive in ASM to support optional source. Teach llvm-dwarfdump and llvm-objdump about the new values. Update the output format of llvm-dwarfdump to make room for the new attribute on file_names entries, and support embedded sources for the -source option in llvm-objdump. Differential Revision: https://reviews.llvm.org/D42765 llvm-svn: 325970
123 lines
4.3 KiB
ArmAsm
123 lines
4.3 KiB
ArmAsm
// RUN: llvm-mc -g -triple i386-apple-darwin10 %s -filetype=obj -o %t
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// RUN: llvm-dwarfdump -all %t | FileCheck %s
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.globl _bar
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_bar:
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movl $0, %eax
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L1: leave
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ret
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_foo:
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_baz:
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nop
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.data
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_x: .long 1
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// CHECK: file format Mach-O 32-bit i386
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// CHECK: .debug_abbrev contents:
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// CHECK: Abbrev table for offset: 0x00000000
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// CHECK: [1] DW_TAG_compile_unit DW_CHILDREN_yes
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// CHECK: DW_AT_stmt_list DW_FORM_sec_offset
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// CHECK: DW_AT_low_pc DW_FORM_addr
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// CHECK: DW_AT_high_pc DW_FORM_addr
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// CHECK: DW_AT_name DW_FORM_string
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// CHECK: DW_AT_comp_dir DW_FORM_string
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// CHECK: DW_AT_producer DW_FORM_string
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// CHECK: DW_AT_language DW_FORM_data2
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// CHECK: [2] DW_TAG_label DW_CHILDREN_yes
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// CHECK: DW_AT_name DW_FORM_string
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// CHECK: DW_AT_decl_file DW_FORM_data4
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// CHECK: DW_AT_decl_line DW_FORM_data4
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// CHECK: DW_AT_low_pc DW_FORM_addr
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// CHECK: DW_AT_prototyped DW_FORM_flag
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// CHECK: [3] DW_TAG_unspecified_parameters DW_CHILDREN_no
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// CHECK: .debug_info contents:
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// We don't check the leading addresses these are at.
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// CHECK: DW_TAG_compile_unit
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// CHECK: DW_AT_stmt_list (0x00000000)
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// CHECK: DW_AT_low_pc (0x0000000000000000)
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// CHECK: DW_AT_high_pc (0x0000000000000008)
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// We don't check the file name as it is a temp directory
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// CHECK: DW_AT_name
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// We don't check the DW_AT_comp_dir which is the current working directory
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// CHECK: DW_AT_producer ("llvm-mc (based on {{.*}})")
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// CHECK: DW_AT_language (DW_LANG_Mips_Assembler)
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// CHECK: DW_TAG_label
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// CHECK: DW_AT_name ("bar")
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// CHECK: DW_AT_decl_file ([[FILE:".*gen-dwarf.s"]])
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// CHECK: DW_AT_decl_line (5)
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// CHECK: DW_AT_low_pc (0x0000000000000000)
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// CHECK: DW_AT_prototyped (0x00)
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// CHECK: DW_TAG_unspecified_parameters
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// CHECK: NULL
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// CHECK: DW_TAG_label
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// CHECK: DW_AT_name ("foo")
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// CHECK: DW_AT_decl_file ([[FILE]])
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// CHECK: DW_AT_decl_line (9)
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// CHECK: DW_AT_low_pc (0x0000000000000007)
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// CHECK: DW_AT_prototyped (0x00)
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// CHECK: DW_TAG_unspecified_parameters
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// CHECK: NULL
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// CHECK: DW_TAG_label
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// CHECK: DW_AT_name ("baz")
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// CHECK: DW_AT_decl_file ([[FILE]])
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// CHECK: DW_AT_decl_line (10)
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// CHECK: DW_AT_low_pc (0x0000000000000007)
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// CHECK: DW_AT_prototyped (0x00)
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// CHECK: DW_TAG_unspecified_parameters
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// CHECK: NULL
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// CHECK: NULL
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// CHECK: .debug_aranges contents:
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// CHECK: Address Range Header: length = 0x0000001c, version = 0x0002, cu_offset = 0x00000000, addr_size = 0x04, seg_size = 0x00
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// CHECK: .debug_line contents:
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// CHECK: Line table prologue:
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// We don't check the total_length as it includes lengths of temp paths
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// CHECK: version: 2
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// We don't check the prologue_length as it too includes lengths of temp paths
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// CHECK: min_inst_length: 1
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// CHECK: default_is_stmt: 1
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// CHECK: line_base: -5
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// CHECK: line_range: 14
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// CHECK: opcode_base: 13
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// CHECK: standard_opcode_lengths[DW_LNS_copy] = 0
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// CHECK: standard_opcode_lengths[DW_LNS_advance_pc] = 1
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// CHECK: standard_opcode_lengths[DW_LNS_advance_line] = 1
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// CHECK: standard_opcode_lengths[DW_LNS_set_file] = 1
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// CHECK: standard_opcode_lengths[DW_LNS_set_column] = 1
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// CHECK: standard_opcode_lengths[DW_LNS_negate_stmt] = 0
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// CHECK: standard_opcode_lengths[DW_LNS_set_basic_block] = 0
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// CHECK: standard_opcode_lengths[DW_LNS_const_add_pc] = 0
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// CHECK: standard_opcode_lengths[DW_LNS_fixed_advance_pc] = 1
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// CHECK: standard_opcode_lengths[DW_LNS_set_prologue_end] = 0
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// CHECK: standard_opcode_lengths[DW_LNS_set_epilogue_begin] = 0
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// CHECK: standard_opcode_lengths[DW_LNS_set_isa] = 1
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// We don't check include_directories as it has a temp path
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// CHECK: file_names[ 1]:
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// CHECK-NEXT: name: "gen-dwarf.s"
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// CHECK-NEXT: dir_index: 1
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// CHECK: Address Line Column File ISA Discriminator Flags
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// CHECK: ------------------ ------ ------ ------ --- ------------- -------------
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// CHECK: 0x0000000000000000 6 0 1 0 0 is_stmt
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// CHECK: 0x0000000000000005 7 0 1 0 0 is_stmt
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// CHECK: 0x0000000000000006 8 0 1 0 0 is_stmt
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// CHECK: 0x0000000000000007 11 0 1 0 0 is_stmt
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// CHECK: 0x0000000000000008 11 0 1 0 0 is_stmt end_sequence
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