[llvm] r317609 - [DWARFv5] Add new test for previous commit.
Paul Robinson via llvm-commits
llvm-commits at lists.llvm.org
Tue Nov 7 12:12:58 PST 2017
Author: probinson
Date: Tue Nov 7 12:12:58 2017
New Revision: 317609
URL: http://llvm.org/viewvc/llvm-project?rev=317609&view=rev
Log:
[DWARFv5] Add new test for previous commit.
Added:
llvm/trunk/test/DebugInfo/X86/dwarfdump-header-64.s
Added: llvm/trunk/test/DebugInfo/X86/dwarfdump-header-64.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/dwarfdump-header-64.s?rev=317609&view=auto
==============================================================================
--- llvm/trunk/test/DebugInfo/X86/dwarfdump-header-64.s (added)
+++ llvm/trunk/test/DebugInfo/X86/dwarfdump-header-64.s Tue Nov 7 12:12:58 2017
@@ -0,0 +1,149 @@
+# Test object to verify dwarfdump handles a DWARF-64 v5 line header.
+# FIXME: Make the other headers DWARF-64 also.
+# FIXME: Add variants for earlier DWARF versions.
+
+# Lines beginning with @ELF@ should be preserved for ELF targets;
+# lines beginning with @MACHO@ should be preserved for Mach-O targets.
+
+# RUN: sed -E 's/@ELF@(.*)/\1/;s/@MACHO@(.*)//' %s | \
+# RUN: llvm-mc -triple x86_64-unknown-linux -filetype=obj -o - | \
+# RUN: llvm-dwarfdump -v - | FileCheck %s
+
+# RUN: sed -E 's/@ELF@(.*)//;s/@MACHO@(.*)/\1/' %s | \
+# RUN: llvm-mc -triple x86_64-apple-darwin -filetype=obj -o - | \
+# RUN: llvm-dwarfdump -v - | FileCheck %s
+
+
+ at ELF@ .section .debug_str,"MS", at progbits,1
+ at MACHO@ .section __DWARF,__debug_str,regular,debug
+str_producer:
+ .asciz "Handmade DWARF producer"
+str_CU_5:
+ .asciz "V5_compile_unit"
+str_LT_5a:
+ .asciz "Directory5a"
+str_LT_5b:
+ .asciz "Directory5b"
+
+ at ELF@ .section .debug_abbrev,"", at progbits
+ at MACHO@ .section __DWARF,__debug_abbrev,regular,debug
+abbrev:
+ .byte 0x01 # Abbrev code
+ .byte 0x11 # DW_TAG_compile_unit
+ .byte 0x00 # DW_CHILDREN_no
+ .byte 0x25 # DW_AT_producer
+ .byte 0x0e # DW_FORM_strp
+ .byte 0x03 # DW_AT_name
+ .byte 0x0e # DW_FORM_strp
+ .byte 0x10 # DW_AT_stmt_list
+ .byte 0x17 # DW_FORM_sec_offset
+ .byte 0x00 # EOM(1)
+ .byte 0x00 # EOM(2)
+
+ at ELF@ .section .debug_info,"", at progbits
+ at MACHO@ .section __DWARF,__debug_info,regular,debug
+
+# DWARF-32 v5 normal CU header.
+Lset0 = CU_5_end-CU_5_version # Length of Unit
+ .long Lset0
+CU_5_version:
+ .short 5 # DWARF version number
+ .byte 1 # DWARF Unit Type
+ .byte 8 # Address Size (in bytes)
+ at ELF@ .long abbrev # Offset Into Abbrev. Section
+ at MACHO@ .long 0
+# The compile-unit DIE, with DW_AT_producer, DW_AT_name, DW_AT_stmt_list.
+ .byte 1
+ .long str_producer
+ .long str_CU_5
+ at ELF@ .long LH_5_start
+ at MACHO@ .long 0
+ .byte 0 # NULL
+CU_5_end:
+
+# CHECK-LABEL: .debug_info contents:
+# CHECK: 0x00000000: Compile Unit: length = 0x00000016 version = 0x0005 unit_type = DW_UT_compile abbr_offset = 0x0000 addr_size = 0x08 (next unit at 0x0000001a)
+# CHECK: 0x0000000c: DW_TAG_compile_unit
+# CHECK-NEXT: DW_AT_producer {{.*}} "Handmade DWARF producer"
+# CHECK-NEXT: DW_AT_name {{.*}} "V5_compile_unit"
+# CHECK-NEXT: DW_AT_stmt_list {{.*}} (0x00000000)
+
+ at ELF@ .section .debug_line,"", at progbits
+ at MACHO@ .section __DWARF,__debug_line,regular,debug
+
+# DWARF-64 v5 line-table header.
+LH_5_start:
+ .long -1
+Lset1 = LH_5_end-LH_5_version # Length of Unit
+ .quad Lset1
+LH_5_version:
+ .short 5 # DWARF version number
+ .byte 8 # Address Size
+ .byte 0 # Segment Selector Size
+Lset2 = LH_5_header_end-LH_5_params # Length of Prologue
+ .quad Lset2
+LH_5_params:
+ .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 # Standard Opcode Lengths
+ .byte 1
+ .byte 1
+ .byte 1
+ .byte 1
+ .byte 0
+ .byte 0
+ .byte 0
+ .byte 1
+ .byte 0
+ .byte 0
+ .byte 1
+ # Directory table format
+ .byte 1 # One element per directory entry
+ .byte 1 # DW_LNCT_path
+ .byte 0x0e # DW_FORM_strp (-> .debug_str)
+ # Directory table entries
+ .byte 2 # Two directories
+ .quad str_LT_5a
+ .quad str_LT_5b
+ # File table format
+ .byte 4 # Four 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
+ .byte 3 # DW_LNCT_timestamp
+ .byte 0x0f # DW_FORM_udata
+ .byte 4 # DW_LNCT_size
+ .byte 0x0f # DW_FORM_udata
+ # File table entries
+ .byte 2 # Two files
+ .asciz "File5a"
+ .byte 1
+ .byte 0x51
+ .byte 0x52
+ .asciz "File5b"
+ .byte 2
+ .byte 0x53
+ .byte 0x54
+LH_5_header_end:
+ # Line number program, which is empty.
+LH_5_end:
+
+# CHECK-LABEL: .debug_line contents:
+# CHECK: Line table prologue:
+# CHECK: total_length: 0x00000050
+# CHECK: version: 5
+# CHECK: address_size: 8
+# CHECK: seg_select_size: 0
+# CHECK: prologue_length: 0x00000044
+# CHECK: max_ops_per_inst: 1
+# CHECK: include_directories[ 1] = 'Directory5a'
+# CHECK: include_directories[ 2] = 'Directory5b'
+# CHECK-NOT: include_directories
+# CHECK: file_names[ 1] 1 0x00000051 0x00000052 File5a{{$}}
+# CHECK: file_names[ 2] 2 0x00000053 0x00000054 File5b{{$}}
+# CHECK-NOT: file_names
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