diff options
| -rw-r--r-- | llvm/lib/DebugInfo/DWARF/DWARFDebugLine.cpp | 2 | ||||
| -rw-r--r-- | llvm/test/tools/llvm-dwarfdump/X86/debug-line-dw-lne-end-sequence.s | 56 |
2 files changed, 57 insertions, 1 deletions
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFDebugLine.cpp b/llvm/lib/DebugInfo/DWARF/DWARFDebugLine.cpp index f5b1c40024d..cf31f5e57a4 100644 --- a/llvm/lib/DebugInfo/DWARF/DWARFDebugLine.cpp +++ b/llvm/lib/DebugInfo/DWARF/DWARFDebugLine.cpp @@ -599,12 +599,12 @@ Error DWARFDebugLine::LineTable::parse( // address is that of the byte after the last target machine instruction // of the sequence. State.Row.EndSequence = true; - State.appendRowToMatrix(); if (OS) { *OS << "\n"; OS->indent(12); State.Row.dump(*OS); } + State.appendRowToMatrix(); State.resetRowAndSequence(); break; diff --git a/llvm/test/tools/llvm-dwarfdump/X86/debug-line-dw-lne-end-sequence.s b/llvm/test/tools/llvm-dwarfdump/X86/debug-line-dw-lne-end-sequence.s new file mode 100644 index 00000000000..c9a252b28b7 --- /dev/null +++ b/llvm/test/tools/llvm-dwarfdump/X86/debug-line-dw-lne-end-sequence.s @@ -0,0 +1,56 @@ +## Show that the DW_LNE_end_sequence opcode resets the line state +## properly and the rows are printed correctly. + +# RUN: llvm-mc -filetype obj -triple x86_64 %s -o %t.o +# RUN: llvm-dwarfdump --debug-line %t.o | FileCheck %s --check-prefixes=HEADER,ROWS +# RUN: llvm-dwarfdump --debug-line %t.o --verbose | FileCheck %s --check-prefix=ROWS + +# HEADER: Address Line Column File ISA Discriminator Flags +# HEADER-NEXT: ------------------ ------ ------ ------ --- ------------- ------------- +# ROWS: 0x0000000012345678 1 0 1 0 1 is_stmt basic_block prologue_end epilogue_begin end_sequence +# ROWS: 0x0000000000000001 2 0 1 0 0 is_stmt +# ROWS: 0x0000000000000001 2 0 1 0 0 is_stmt end_sequence + +.section .debug_line,"",@progbits +.Line_table_start0: + .long .Line_table_end0-.Line_table_start0-4 # Length of Unit + .short 5 # DWARF version number + .byte 8 # Address Size + .byte 0 # Segment Selector Size + .long .Line_table_header_end0-.Line_table_params0 # Length of Prologue +.Line_table_params0: + .byte 1 # Minimum Instruction Length + .byte 1 # Maximum Operations per Instruction + .byte 1 # Default is_stmt + .byte -5 # Line Base + .byte 14 # Line Range + .byte 13 # Opcode Base + .byte 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1 # Standard Opcode Lengths + # Directory table format + .byte 1 # One element per directory entry + .byte 1 # DW_LNCT_path + .byte 0x08 # DW_FORM_string + # Directory table entries + .byte 1 # 1 directory + .asciz "/tmp" + # File table format + .byte 2 # 2 elements per file entry + .byte 1 # DW_LNCT_path + .byte 0x08 # DW_FORM_string + .byte 2 # DW_LNCT_directory_index + .byte 0x0b # DW_FORM_data1 + # File table entries + .byte 1 # 1 file + .asciz "a.c" + .byte 0 +.Line_table_header_end0: + .byte 0,9,2 # DW_LNE_set_address + .quad 0x12345678 + .byte 7 # DW_LNS_set_basic_block + .byte 10 # DW_LNS_set_prologue_end + .byte 11 # DW_LNS_set_epilogue_begin + .byte 0,2,4,1 # DW_LNE_set_discriminator 1 + .byte 0,1,1 # DW_LNE_end_sequence + .byte 33 # address += 1, line += 1 + .byte 0,1,1 # DW_LNE_end_sequence +.Line_table_end0: |
