[Lldb-commits] [lldb] r361759 - DWARF: Add a simple test exercising debug_loc parsing

Pavel Labath via lldb-commits lldb-commits at lists.llvm.org
Mon May 27 06:23:23 PDT 2019


Author: labath
Date: Mon May 27 06:23:23 2019
New Revision: 361759

URL: http://llvm.org/viewvc/llvm-project?rev=361759&view=rev
Log:
DWARF: Add a simple test exercising debug_loc parsing

Added:
    lldb/trunk/lit/SymbolFile/DWARF/debug_loc.s

Added: lldb/trunk/lit/SymbolFile/DWARF/debug_loc.s
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/lit/SymbolFile/DWARF/debug_loc.s?rev=361759&view=auto
==============================================================================
--- lldb/trunk/lit/SymbolFile/DWARF/debug_loc.s (added)
+++ lldb/trunk/lit/SymbolFile/DWARF/debug_loc.s Mon May 27 06:23:23 2019
@@ -0,0 +1,117 @@
+# RUN: llvm-mc -triple=x86_64-pc-linux -filetype=obj %s > %t
+# RUN: lldb %t -o "image lookup -v -a 0" -o "image lookup -v -a 2" -o exit \
+# RUN:   | FileCheck %s
+
+# CHECK-LABEL: image lookup -v -a 0
+# CHECK: Variable: {{.*}}, name = "x", type = "int", location = rdi,
+
+# CHECK-LABEL: image lookup -v -a 2
+# CHECK: Variable: {{.*}}, name = "x", type = "int", location = rax,
+
+        .type   f, at function
+f:                                      # @f
+.Lfunc_begin0:
+        movl    %edi, %eax
+.Ltmp0:
+        retq
+.Ltmp1:
+.Lfunc_end0:
+        .size   f, .Lfunc_end0-f
+
+        .section        .debug_str,"MS", at progbits,1
+.Linfo_string0:
+        .asciz  "Hand-written DWARF"
+.Linfo_string3:
+        .asciz  "f"
+.Linfo_string4:
+        .asciz  "int"
+.Linfo_string5:
+        .asciz  "x"
+
+        .section        .debug_loc,"", at progbits
+.Ldebug_loc0:
+        .quad   .Lfunc_begin0-.Lfunc_begin0
+        .quad   .Ltmp0-.Lfunc_begin0
+        .short  1                       # Loc expr size
+        .byte   85                      # super-register DW_OP_reg5
+        .quad   .Ltmp0-.Lfunc_begin0
+        .quad   .Lfunc_end0-.Lfunc_begin0
+        .short  1                       # Loc expr size
+        .byte   80                      # super-register DW_OP_reg0
+        .quad   0
+        .quad   0
+
+        .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   14                      # DW_FORM_strp
+        .byte   19                      # DW_AT_language
+        .byte   5                       # DW_FORM_data2
+        .byte   0                       # EOM(1)
+        .byte   0                       # EOM(2)
+        .byte   2                       # Abbreviation Code
+        .byte   46                      # DW_TAG_subprogram
+        .byte   1                       # DW_CHILDREN_yes
+        .byte   17                      # DW_AT_low_pc
+        .byte   1                       # DW_FORM_addr
+        .byte   18                      # DW_AT_high_pc
+        .byte   6                       # DW_FORM_data4
+        .byte   3                       # DW_AT_name
+        .byte   14                      # DW_FORM_strp
+        .byte   73                      # DW_AT_type
+        .byte   19                      # DW_FORM_ref4
+        .byte   0                       # EOM(1)
+        .byte   0                       # EOM(2)
+        .byte   3                       # Abbreviation Code
+        .byte   5                       # DW_TAG_formal_parameter
+        .byte   0                       # DW_CHILDREN_no
+        .byte   2                       # DW_AT_location
+        .byte   23                      # DW_FORM_sec_offset
+        .byte   3                       # DW_AT_name
+        .byte   14                      # DW_FORM_strp
+        .byte   73                      # DW_AT_type
+        .byte   19                      # DW_FORM_ref4
+        .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   14                      # DW_FORM_strp
+        .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   .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
+.Ldebug_info_start0:
+        .short  4                       # DWARF version number
+        .long   .debug_abbrev           # Offset Into Abbrev. Section
+        .byte   8                       # Address Size (in bytes)
+        .byte   1                       # Abbrev [1] 0xb:0x50 DW_TAG_compile_unit
+        .long   .Linfo_string0          # DW_AT_producer
+        .short  12                      # DW_AT_language
+        .byte   2                       # Abbrev [2] 0x2a:0x29 DW_TAG_subprogram
+        .quad   .Lfunc_begin0           # DW_AT_low_pc
+        .long   .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
+        .long   .Linfo_string3          # DW_AT_name
+        .long   83                      # DW_AT_type
+        .byte   3                       # Abbrev [3] 0x43:0xf DW_TAG_formal_parameter
+        .long   .Ldebug_loc0            # DW_AT_location
+        .long   .Linfo_string5          # DW_AT_name
+        .long   .Lint-.Lcu_begin0       # DW_AT_type
+        .byte   0                       # End Of Children Mark
+.Lint:
+        .byte   4                       # Abbrev [4] 0x53:0x7 DW_TAG_base_type
+        .long   .Linfo_string4          # DW_AT_name
+        .byte   5                       # DW_AT_encoding
+        .byte   4                       # DW_AT_byte_size
+        .byte   0                       # End Of Children Mark
+.Ldebug_info_end0:




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