[llvm] r348464 - [llvm-dwarfdump] - Simplify the test case.

George Rimar via llvm-commits llvm-commits at lists.llvm.org
Thu Dec 6 00:42:57 PST 2018


Author: grimar
Date: Thu Dec  6 00:42:57 2018
New Revision: 348464

URL: http://llvm.org/viewvc/llvm-project?rev=348464&view=rev
Log:
[llvm-dwarfdump] - Simplify the test case.

The test was fully rewritten for simplification.

New test code was suggested by David Blaikie.

Differential revision: https://reviews.llvm.org/D55261

Modified:
    llvm/trunk/test/tools/llvm-dwarfdump/X86/no_debug_addr.s

Modified: llvm/trunk/test/tools/llvm-dwarfdump/X86/no_debug_addr.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-dwarfdump/X86/no_debug_addr.s?rev=348464&r1=348463&r2=348464&view=diff
==============================================================================
--- llvm/trunk/test/tools/llvm-dwarfdump/X86/no_debug_addr.s (original)
+++ llvm/trunk/test/tools/llvm-dwarfdump/X86/no_debug_addr.s Thu Dec  6 00:42:57 2018
@@ -1,197 +1,51 @@
 # RUN: llvm-mc %s -filetype obj -triple=x86_64-pc-linux -o %t.o
-# RUN: llvm-dwarfdump -v %t.o | FileCheck %s
+# RUN: llvm-dwarfdump -v %t.o | FileCheck %s -match-full-lines
 
-## When .debug_addr is absent for some reason,
-## check we do not print a bogus section name.
+## Ensure bogus empty section names are not printed when dumping
+## rnglists that reference debug_addr when it is not present (such as in .dwo files)
 
 # CHECK:       DW_AT_ranges [DW_FORM_rnglistx]   (indexed (0x0) rangelist = 0x00000004
 # CHECK-NEXT:    [0x0000000000000000, 0x0000000000000001)
-# CHECK-NEXT:    [0x0000000000000000, 0x0000000000000002)
-# CHECK-NEXT:    [0x0000000000000003, 0x0000000000000004))
+# CHECK-NEXT:    [0x0000000000000000, 0x0000000000000002))
 
-.text
-.section .text._Z3zedv,"ax", at progbits
-.Lfunc_begin0:
-  retq
-.Lfunc_end0:
-
-.section .text.main,"ax", at progbits
-.Lfunc_begin1:
- retq
- retq
-.Lfunc_end1:
-
-.section .debug_str_offsets,"", at progbits
-.long 32
-.short 5
-.short 0
-.Lstr_offsets_base0:
- .long .Linfo_string0
- .long .Linfo_string0
- .long .Linfo_string0
- .long .Linfo_string0
- .long .Linfo_string0
- .long .Linfo_string0
- .long .Linfo_string0
-
-.section .debug_str,"MS", at progbits,1
-.Linfo_string0:
- .asciz "stub"
-
-.section .debug_abbrev,"", at progbits
-  .byte  1                           # Abbreviation Code
-  .byte  17                          # DW_TAG_compile_unit
-  .byte  1                           # DW_CHILDREN_yes
-  .byte  37                          # DW_AT_producer
-  .byte  37                          # DW_FORM_strx1
-  .byte  19                          # DW_AT_language
-  .byte  5                           # DW_FORM_data2
-  .byte  3                           # DW_AT_name
-  .byte  37                          # DW_FORM_strx1
-  .byte  114                         # DW_AT_str_offsets_base
-  .byte  23                          # DW_FORM_sec_offset
-  .byte  16                          # DW_AT_stmt_list
-  .byte  23                          # DW_FORM_sec_offset
-  .byte  27                          # DW_AT_comp_dir
-  .byte  37                          # DW_FORM_strx1
-  .byte  115                         # DW_AT_addr_base
-  .byte  23                          # DW_FORM_sec_offset
-  .byte  17                          # DW_AT_low_pc
-  .byte  1                           # DW_FORM_addr
-  .byte  85                          # DW_AT_ranges
-  .byte  35                          # DW_FORM_rnglistx
-  .byte  116                         # DW_AT_rnglists_base
-  .byte  23                          # DW_FORM_sec_offset
-  .byte  0                           # EOM(1)
-  .byte  0                           # EOM(2)
-  .byte  2                           # Abbreviation Code
-  .byte  46                          # DW_TAG_subprogram
-  .byte  0                           # DW_CHILDREN_no
-  .byte  17                          # DW_AT_low_pc
-  .byte  27                          # DW_FORM_addrx
-  .byte  18                          # DW_AT_high_pc
-  .byte  6                           # DW_FORM_data4
-  .byte  64                          # DW_AT_frame_base
-  .byte  24                          # DW_FORM_exprloc
-  .byte  110                         # DW_AT_linkage_name
-  .byte  37                          # DW_FORM_strx1
-  .byte  3                           # DW_AT_name
-  .byte  37                          # DW_FORM_strx1
-  .byte  58                          # DW_AT_decl_file
-  .byte  11                          # DW_FORM_data1
-  .byte  59                          # DW_AT_decl_line
-  .byte  11                          # DW_FORM_data1
-  .byte  73                          # DW_AT_type
-  .byte  19                          # DW_FORM_ref4
-  .byte  63                          # DW_AT_external
-  .byte  25                          # DW_FORM_flag_present
-  .byte  0                           # EOM(1)
-  .byte  0                           # EOM(2)
-  .byte  3                           # Abbreviation Code
-  .byte  46                          # DW_TAG_subprogram
-  .byte  0                           # DW_CHILDREN_no
-  .byte  17                          # DW_AT_low_pc
-  .byte  27                          # DW_FORM_addrx
-  .byte  18                          # DW_AT_high_pc
-  .byte  6                           # DW_FORM_data4
-  .byte  64                          # DW_AT_frame_base
-  .byte  24                          # DW_FORM_exprloc
-  .byte  3                           # DW_AT_name
-  .byte  37                          # DW_FORM_strx1
-  .byte  58                          # DW_AT_decl_file
-  .byte  11                          # DW_FORM_data1
-  .byte  59                          # DW_AT_decl_line
-  .byte  11                          # DW_FORM_data1
-  .byte  73                          # DW_AT_type
-  .byte  19                          # DW_FORM_ref4
-  .byte  63                          # DW_AT_external
-  .byte  25                          # DW_FORM_flag_present
-  .byte  0                           # EOM(1)
-  .byte  0                           # EOM(2)
-  .byte  4                           # Abbreviation Code
-  .byte  36                          # DW_TAG_base_type
-  .byte  0                           # DW_CHILDREN_no
-  .byte  3                           # DW_AT_name
-  .byte  37                          # DW_FORM_strx1
-  .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,"", at progbits
-.Lcu_begin0:
-  .long  75                          # Length of Unit
-  .short 5                           # DWARF version number
-  .byte  1                           # DWARF Unit Type
-  .byte  8                           # Address Size (in bytes)
-  .long  .debug_abbrev               # Offset Into Abbrev. Section
-
-  .byte  1                           # Abbrev [1] 0xc:0x43 DW_TAG_compile_unit
-  .byte  0                           # DW_AT_producer
-  .short 4                           # DW_AT_language
-  .byte  1                           # DW_AT_name
-  .long  .Lstr_offsets_base0         # DW_AT_str_offsets_base
-  .long  0                           # DW_AT_stmt_list
-  .byte  2                           # DW_AT_comp_dir
-  .long  0                           # DW_AT_addr_base
-  .quad  0                           # DW_AT_low_pc
-  .byte  0                           # DW_AT_ranges
-  .long  .Lrnglists_table_base0      # DW_AT_rnglists_base
-
-  .byte 2                            # Abbrev [2] 0x2b:0x10 DW_TAG_subprogram
-  .byte 0                            # DW_AT_low_pc
-  .long .Lfunc_end0-.Lfunc_begin0    # DW_AT_high_pc
-  .byte 1                            # DW_AT_frame_base
-  .byte 86
-  .byte 3                            # DW_AT_linkage_name
-  .byte 4                            # DW_AT_name
-  .byte 1                            # DW_AT_decl_file
-  .byte 1                            # DW_AT_decl_line
-  .long 74                           # DW_AT_type
-                                     # DW_AT_external
-
-  .byte  3                           # Abbrev [3] 0x3b:0xf DW_TAG_subprogram
-  .byte  1                           # DW_AT_low_pc
-  .long  .Lfunc_end1-.Lfunc_begin1   # DW_AT_high_pc
-  .byte  1                           # DW_AT_frame_base
-  .byte  86
-  .byte  6                           # DW_AT_name
-  .byte  1                           # DW_AT_decl_file
-  .byte  5                           # DW_AT_decl_line
-  .long  74                          # DW_AT_type
-                                     # DW_AT_external
-
-  .byte  4                           # Abbrev [4] 0x4a:0x4 DW_TAG_base_type
-  .byte  5                           # DW_AT_name
-  .byte  5                           # DW_AT_encoding
-  .byte  4                           # DW_AT_byte_size
-  .byte  0                           # End Of Children Mark
-
-.section .debug_rnglists,"", at progbits
-.long .Ldebug_rnglist_table_end0-.Ldebug_rnglist_table_start0 # Length
-.Ldebug_rnglist_table_start0:
-  .short 5                           # Version
-  .byte  8                           # Address size
-  .byte  0                           # Segment selector size
-  .long  1                           # Offset entry count
-.Lrnglists_table_base0:
-  .long .Ldebug_ranges0-.Lrnglists_table_base0
+.section .debug_info.dwo,"e", at progbits
+.long .Ldebug_info_dwo_end1-.Ldebug_info_dwo_start1   # Length of Unit
+.Ldebug_info_dwo_start1:
+  .short 5                       # DWARF version number
+  .byte  5                       # DWARF Unit Type
+  .byte  8                       # Address Size (in bytes)
+  .long  0                       # Offset Into Abbrev. Section
+  .quad  -6809755978868859807
+  .byte  1                       # Abbrev [1] 0x14:0x32 DW_TAG_compile_unit
+  .byte  0                       # DW_AT_ranges
+.Ldebug_info_dwo_end1:
+
+.section .debug_abbrev.dwo,"e", at progbits
+  .byte 1                        # Abbreviation Code
+  .byte 17                       # DW_TAG_compile_unit
+  .byte 0                        # DW_CHILDREN_no
+  .byte 85                       # DW_AT_ranges
+  .byte 35                       # DW_FORM_rnglistx
+  .byte 0                        # EOM(1)
+  .byte 0                        # EOM(2)
+
+.section .debug_rnglists.dwo,"e", at progbits
+  .long  .Ldebug_rnglist_table_end1-.Ldebug_rnglist_table_start1 # Length
+.Ldebug_rnglist_table_start1:
+  .short  5                      # Version
+  .byte  8                       # Address size
+  .byte  0                       # Segment selector size
+  .long  1                       # Offset entry count
+.Lrnglists_dwo_table_base0:
+  .long  .Ldebug_ranges0-.Lrnglists_dwo_table_base0
 .Ldebug_ranges0:
-  .byte 3                            # DW_RLE_startx_length
-  .byte 0                            #   start index
-  .uleb128 .Lfunc_end0-.Lfunc_begin0 #   length
-  .byte 3                            # DW_RLE_startx_length
-  .byte 1                            #   start index
-  .uleb128 .Lfunc_end1-.Lfunc_begin1 #   length
-
-  .byte 1                            # DW_RLE_base_addressx
-  .byte 0                            # Base address (index 0 in .debug_addr)
-  .byte 4                            # DW_RLE_offset_pair
-  .byte 0x3                          # Start offset
-  .byte 0x4                          # End offset
-
-  .byte 0                            # DW_RLE_end_of_list
-.Ldebug_rnglist_table_end0:
+  .byte  1                       # DW_RLE_base_addressx
+  .byte  0                       #   base address index
+  .byte  4                       # DW_RLE_offset_pair
+  .byte  0                       #   starting offset
+  .byte  1                       #   ending offset
+  .byte  3                       # DW_RLE_startx_length
+  .byte  1                       #   start index
+  .byte  2                       #   length
+  .byte  0                       # DW_RLE_end_of_list
+.Ldebug_rnglist_table_end1:




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