[llvm] r311492 - [llvm-dwarfdump] Print type names in DW_AT_type DIEs

Jonas Devlieghere via llvm-commits llvm-commits at lists.llvm.org
Tue Aug 22 14:41:49 PDT 2017


Author: jdevlieghere
Date: Tue Aug 22 14:41:49 2017
New Revision: 311492

URL: http://llvm.org/viewvc/llvm-project?rev=311492&view=rev
Log:
[llvm-dwarfdump] Print type names in DW_AT_type DIEs

This patch adds printing for DW_AT_type DIEs like it's currently already
the case for DW_AT_specification DIEs.

Added:
    llvm/trunk/test/tools/llvm-dwarfdump/X86/verify_type_names.s
Modified:
    llvm/trunk/lib/DebugInfo/DWARF/DWARFDie.cpp

Modified: llvm/trunk/lib/DebugInfo/DWARF/DWARFDie.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/DebugInfo/DWARF/DWARFDie.cpp?rev=311492&r1=311491&r2=311492&view=diff
==============================================================================
--- llvm/trunk/lib/DebugInfo/DWARF/DWARFDie.cpp (original)
+++ llvm/trunk/lib/DebugInfo/DWARF/DWARFDie.cpp Tue Aug 22 14:41:49 2017
@@ -135,7 +135,8 @@ static void dumpAttribute(raw_ostream &O
   // We have dumped the attribute raw value. For some attributes
   // having both the raw value and the pretty-printed value is
   // interesting. These attributes are handled below.
-  if (Attr == DW_AT_specification || Attr == DW_AT_abstract_origin) {
+  if (Attr == DW_AT_specification || Attr == DW_AT_abstract_origin ||
+      Attr == DW_AT_type) {
     if (const char *Name = Die.getAttributeValueAsReferencedDie(Attr).getName(DINameKind::LinkageName))
         OS << " \"" << Name << '\"';
   } else if (Attr == DW_AT_APPLE_property_attribute) {

Added: llvm/trunk/test/tools/llvm-dwarfdump/X86/verify_type_names.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-dwarfdump/X86/verify_type_names.s?rev=311492&view=auto
==============================================================================
--- llvm/trunk/test/tools/llvm-dwarfdump/X86/verify_type_names.s (added)
+++ llvm/trunk/test/tools/llvm-dwarfdump/X86/verify_type_names.s Tue Aug 22 14:41:49 2017
@@ -0,0 +1,317 @@
+# RUN: llvm-mc %s -filetype obj -triple x86_64-apple-darwin -o - \
+# RUN: | llvm-dwarfdump -debug-dump=info - \
+# RUN: | FileCheck %s
+
+# $ cat verify_type_names.cpp
+# struct Struct {
+#   int i;
+# };
+#
+# Struct Fn(int i) { return {i}; }
+# $ clang++ -g -S verify_type_names.cpp -std=c++11
+
+# CHECK: DW_TAG_subprogram
+# CHECK: DW_AT_type {{.*}} "Struct"
+# CHECK: DW_TAG_formal_parameter
+# CHECK: DW_AT_type {{.*}} "int"
+# CHECK: DW_TAG_member
+# CHECK: DW_AT_type {{.*}} "int"
+
+	.section	__TEXT,__text,regular,pure_instructions
+	.macosx_version_min 10, 12
+	.globl	__Z2Fni                 ## -- Begin function _Z2Fni
+	.p2align	4, 0x90
+__Z2Fni:                                ## @_Z2Fni
+Lfunc_begin0:
+	.file	1 "verify_type_names.cpp"
+	.loc	1 5 0                   ## verify_type_names.cpp:5:0
+	.cfi_startproc
+## BB#0:                                ## %entry
+	pushq	%rbp
+Lcfi0:
+	.cfi_def_cfa_offset 16
+Lcfi1:
+	.cfi_offset %rbp, -16
+	movq	%rsp, %rbp
+Lcfi2:
+	.cfi_def_cfa_register %rbp
+	movl	%edi, -12(%rbp)
+Ltmp0:
+	.loc	1 5 28 prologue_end     ## verify_type_names.cpp:5:28
+	movl	-12(%rbp), %edi
+	.loc	1 5 27 is_stmt 0        ## verify_type_names.cpp:5:27
+	movl	%edi, -8(%rbp)
+	.loc	1 5 20                  ## verify_type_names.cpp:5:20
+	movl	-8(%rbp), %eax
+	popq	%rbp
+	retq
+Ltmp1:
+Lfunc_end0:
+	.cfi_endproc
+                                        ## -- End function
+	.section	__DWARF,__debug_str,regular,debug
+Linfo_string:
+	.asciz	"clang version 6.0.0 (trunk 311115) (llvm/trunk 311450)" ## string offset=0
+	.asciz	"verify_type_names.cpp" ## string offset=55
+	.asciz	"/private/tmp"          ## string offset=77
+	.asciz	"Fn"                    ## string offset=90
+	.asciz	"_Z2Fni"                ## string offset=93
+	.asciz	"Struct"                ## string offset=100
+	.asciz	"i"                     ## string offset=107
+	.asciz	"int"                   ## string offset=109
+	.section	__DWARF,__debug_abbrev,regular,debug
+Lsection_abbrev:
+	.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	3                       ## DW_AT_name
+	.byte	14                      ## DW_FORM_strp
+	.byte	16                      ## DW_AT_stmt_list
+	.byte	23                      ## DW_FORM_sec_offset
+	.byte	27                      ## DW_AT_comp_dir
+	.byte	14                      ## DW_FORM_strp
+	.byte	17                      ## DW_AT_low_pc
+	.byte	1                       ## DW_FORM_addr
+	.byte	18                      ## DW_AT_high_pc
+	.byte	6                       ## DW_FORM_data4
+	.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	64                      ## DW_AT_frame_base
+	.byte	24                      ## DW_FORM_exprloc
+	.byte	110                     ## DW_AT_linkage_name
+	.byte	14                      ## DW_FORM_strp
+	.byte	3                       ## DW_AT_name
+	.byte	14                      ## DW_FORM_strp
+	.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	5                       ## DW_TAG_formal_parameter
+	.byte	0                       ## DW_CHILDREN_no
+	.byte	2                       ## DW_AT_location
+	.byte	24                      ## DW_FORM_exprloc
+	.byte	3                       ## DW_AT_name
+	.byte	14                      ## DW_FORM_strp
+	.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	0                       ## EOM(1)
+	.byte	0                       ## EOM(2)
+	.byte	4                       ## Abbreviation Code
+	.byte	19                      ## DW_TAG_structure_type
+	.byte	1                       ## DW_CHILDREN_yes
+	.byte	3                       ## DW_AT_name
+	.byte	14                      ## DW_FORM_strp
+	.byte	11                      ## DW_AT_byte_size
+	.byte	11                      ## DW_FORM_data1
+	.byte	58                      ## DW_AT_decl_file
+	.byte	11                      ## DW_FORM_data1
+	.byte	59                      ## DW_AT_decl_line
+	.byte	11                      ## DW_FORM_data1
+	.byte	0                       ## EOM(1)
+	.byte	0                       ## EOM(2)
+	.byte	5                       ## Abbreviation Code
+	.byte	13                      ## DW_TAG_member
+	.byte	0                       ## DW_CHILDREN_no
+	.byte	3                       ## DW_AT_name
+	.byte	14                      ## DW_FORM_strp
+	.byte	73                      ## DW_AT_type
+	.byte	19                      ## DW_FORM_ref4
+	.byte	58                      ## DW_AT_decl_file
+	.byte	11                      ## DW_FORM_data1
+	.byte	59                      ## DW_AT_decl_line
+	.byte	11                      ## DW_FORM_data1
+	.byte	56                      ## DW_AT_data_member_location
+	.byte	11                      ## DW_FORM_data1
+	.byte	0                       ## EOM(1)
+	.byte	0                       ## EOM(2)
+	.byte	6                       ## 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	__DWARF,__debug_info,regular,debug
+Lsection_info:
+Lcu_begin0:
+	.long	111                     ## Length of Unit
+	.short	4                       ## DWARF version number
+Lset0 = Lsection_abbrev-Lsection_abbrev ## Offset Into Abbrev. Section
+	.long	Lset0
+	.byte	8                       ## Address Size (in bytes)
+	.byte	1                       ## Abbrev [1] 0xb:0x68 DW_TAG_compile_unit
+	.long	0                       ## DW_AT_producer
+	.short	4                       ## DW_AT_language
+	.long	55                      ## DW_AT_name
+Lset1 = Lline_table_start0-Lsection_line ## DW_AT_stmt_list
+	.long	Lset1
+	.long	77                      ## DW_AT_comp_dir
+	.quad	Lfunc_begin0            ## DW_AT_low_pc
+Lset2 = Lfunc_end0-Lfunc_begin0         ## DW_AT_high_pc
+	.long	Lset2
+	.byte	2                       ## Abbrev [2] 0x2a:0x2c DW_TAG_subprogram
+	.quad	Lfunc_begin0            ## DW_AT_low_pc
+Lset3 = Lfunc_end0-Lfunc_begin0         ## DW_AT_high_pc
+	.long	Lset3
+	.byte	1                       ## DW_AT_frame_base
+	.byte	86
+	.long	93                      ## DW_AT_linkage_name
+	.long	90                      ## DW_AT_name
+	.byte	1                       ## DW_AT_decl_file
+	.byte	5                       ## DW_AT_decl_line
+	.long	86                      ## DW_AT_type
+                                        ## DW_AT_external
+	.byte	3                       ## Abbrev [3] 0x47:0xe DW_TAG_formal_parameter
+	.byte	2                       ## DW_AT_location
+	.byte	145
+	.byte	116
+	.long	107                     ## DW_AT_name
+	.byte	1                       ## DW_AT_decl_file
+	.byte	5                       ## DW_AT_decl_line
+	.long	107                     ## DW_AT_type
+	.byte	0                       ## End Of Children Mark
+	.byte	4                       ## Abbrev [4] 0x56:0x15 DW_TAG_structure_type
+	.long	100                     ## DW_AT_name
+	.byte	4                       ## DW_AT_byte_size
+	.byte	1                       ## DW_AT_decl_file
+	.byte	1                       ## DW_AT_decl_line
+	.byte	5                       ## Abbrev [5] 0x5e:0xc DW_TAG_member
+	.long	107                     ## DW_AT_name
+	.long	107                     ## DW_AT_type
+	.byte	1                       ## DW_AT_decl_file
+	.byte	2                       ## DW_AT_decl_line
+	.byte	0                       ## DW_AT_data_member_location
+	.byte	0                       ## End Of Children Mark
+	.byte	6                       ## Abbrev [6] 0x6b:0x7 DW_TAG_base_type
+	.long	109                     ## DW_AT_name
+	.byte	5                       ## DW_AT_encoding
+	.byte	4                       ## DW_AT_byte_size
+	.byte	0                       ## End Of Children Mark
+	.section	__DWARF,__debug_ranges,regular,debug
+Ldebug_range:
+	.section	__DWARF,__debug_macinfo,regular,debug
+Ldebug_macinfo:
+Lcu_macro_begin0:
+	.byte	0                       ## End Of Macro List Mark
+	.section	__DWARF,__apple_names,regular,debug
+Lnames_begin:
+	.long	1212240712              ## Header Magic
+	.short	1                       ## Header Version
+	.short	0                       ## Header Hash Function
+	.long	2                       ## Header Bucket Count
+	.long	2                       ## Header Hash Count
+	.long	12                      ## Header Data Length
+	.long	0                       ## HeaderData Die Offset Base
+	.long	1                       ## HeaderData Atom Count
+	.short	1                       ## DW_ATOM_die_offset
+	.short	6                       ## DW_FORM_data4
+	.long	-1                      ## Bucket 0
+	.long	0                       ## Bucket 1
+	.long	5862329                 ## Hash in Bucket 1
+	.long	-336438995              ## Hash in Bucket 1
+	.long	LNames0-Lnames_begin    ## Offset in Bucket 1
+	.long	LNames1-Lnames_begin    ## Offset in Bucket 1
+LNames0:
+	.long	90                      ## Fn
+	.long	1                       ## Num DIEs
+	.long	42
+	.long	0
+LNames1:
+	.long	93                      ## _Z2Fni
+	.long	1                       ## Num DIEs
+	.long	42
+	.long	0
+	.section	__DWARF,__apple_objc,regular,debug
+Lobjc_begin:
+	.long	1212240712              ## Header Magic
+	.short	1                       ## Header Version
+	.short	0                       ## Header Hash Function
+	.long	1                       ## Header Bucket Count
+	.long	0                       ## Header Hash Count
+	.long	12                      ## Header Data Length
+	.long	0                       ## HeaderData Die Offset Base
+	.long	1                       ## HeaderData Atom Count
+	.short	1                       ## DW_ATOM_die_offset
+	.short	6                       ## DW_FORM_data4
+	.long	-1                      ## Bucket 0
+	.section	__DWARF,__apple_namespac,regular,debug
+Lnamespac_begin:
+	.long	1212240712              ## Header Magic
+	.short	1                       ## Header Version
+	.short	0                       ## Header Hash Function
+	.long	1                       ## Header Bucket Count
+	.long	0                       ## Header Hash Count
+	.long	12                      ## Header Data Length
+	.long	0                       ## HeaderData Die Offset Base
+	.long	1                       ## HeaderData Atom Count
+	.short	1                       ## DW_ATOM_die_offset
+	.short	6                       ## DW_FORM_data4
+	.long	-1                      ## Bucket 0
+	.section	__DWARF,__apple_types,regular,debug
+Ltypes_begin:
+	.long	1212240712              ## Header Magic
+	.short	1                       ## Header Version
+	.short	0                       ## Header Hash Function
+	.long	2                       ## Header Bucket Count
+	.long	2                       ## Header Hash Count
+	.long	20                      ## Header Data Length
+	.long	0                       ## HeaderData Die Offset Base
+	.long	3                       ## HeaderData Atom Count
+	.short	1                       ## DW_ATOM_die_offset
+	.short	6                       ## DW_FORM_data4
+	.short	3                       ## DW_ATOM_die_tag
+	.short	5                       ## DW_FORM_data2
+	.short	4                       ## DW_ATOM_type_flags
+	.short	11                      ## DW_FORM_data1
+	.long	0                       ## Bucket 0
+	.long	-1                      ## Bucket 1
+	.long	193495088               ## Hash in Bucket 0
+	.long	-772878966              ## Hash in Bucket 0
+	.long	Ltypes1-Ltypes_begin    ## Offset in Bucket 0
+	.long	Ltypes0-Ltypes_begin    ## Offset in Bucket 0
+Ltypes1:
+	.long	109                     ## int
+	.long	1                       ## Num DIEs
+	.long	107
+	.short	36
+	.byte	0
+	.long	0
+Ltypes0:
+	.long	100                     ## Struct
+	.long	1                       ## Num DIEs
+	.long	86
+	.short	19
+	.byte	0
+	.long	0
+
+.subsections_via_symbols
+	.section	__DWARF,__debug_line,regular,debug
+Lsection_line:
+Lline_table_start0:




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