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[llvm-dwarfdump] pretty-print DW_AT_call_origin reference (#71693)

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This commit is contained in:
Orlando Cazalet-Hyams
2023-11-09 09:04:11 +00:00
committed by GitHub
parent 87081f1c18
commit fbc652061e
2 changed files with 89 additions and 1 deletions
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3
llvm/lib/DebugInfo/DWARF/DWARFDie.cpp
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@@ -190,7 +190,8 @@ static void dumpAttribute(raw_ostream &OS, const DWARFDie &Die,
// 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_call_origin) {
if (const char *Name =
Die.getAttributeValueAsReferencedDie(FormValue).getName(
DINameKind::LinkageName))

87
llvm/test/tools/llvm-dwarfdump/X86/prettyprint_call_site.yaml Normal file
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@@ -0,0 +1,87 @@
# RUN: yaml2obj %s | llvm-dwarfdump - | FileCheck %s
## Check the name (preferring linkage name) of the DW_AT_call_origin DIE
## reference is printed after the address.
# CHECK: DW_TAG_call_site
# CHECK-NEXT: DW_AT_call_origin (0x{{[0-9a-f]+}} "_Z2f2v")
# CHECK: DW_TAG_call_site
# CHECK-NEXT: DW_AT_call_origin (0x{{[0-9a-f]+}} "f1")
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Machine: EM_X86_64
DWARF:
debug_str:
- "_Z2f2v"
- "f2"
- "f1"
debug_abbrev:
- Table:
- Code: 0x0000000000000001
Tag: DW_TAG_compile_unit
Children: DW_CHILDREN_yes
Attributes:
- Attribute: DW_AT_low_pc
Form: DW_FORM_addr
- Code: 0x0000000000000002
Tag: DW_TAG_subprogram
Children: DW_CHILDREN_yes
Attributes:
- Attribute: DW_AT_name
Form: DW_FORM_strp
- Attribute: DW_AT_low_pc
Form: DW_FORM_addr
- Attribute: DW_AT_high_pc
Form: DW_FORM_addr
- Code: 0x0000000000000003
Tag: DW_TAG_call_site
Children: DW_CHILDREN_no
Attributes:
- Attribute: DW_AT_call_origin
Form: DW_FORM_ref4
- Code: 0x0000000000000004
Tag: DW_TAG_subprogram
Children: DW_CHILDREN_no
Attributes:
- Attribute: DW_AT_linkage_name
Form: DW_FORM_strp
- Attribute: DW_AT_name
Form: DW_FORM_strp
- Attribute: DW_AT_declaration
Form: DW_FORM_flag_present
debug_info:
- Length: 0x3b
Version: 5
UnitType: 0x01 # DW_TU_compile
AbbrOffset: 0x0000000000000000
AddrSize: 8
Entries:
- AbbrCode: 0x00000001 # start compile unit
Values: #
- Value: 0x0000000000000000 #
- AbbrCode: 0x00000002 ## start f1
Values: ##
- Value: 0x000000000000000a ##
- Value: 0x0000000000001000 ##
- Value: 0x0000000000002000 ##
- AbbrCode: 0x00000003 ### call site
Values: ###
- Value: 0x0000000000000035 ### (f2)
- AbbrCode: 0x00000003 ### call site
Values: ###
- Value: 0x0000000000000015 ### (f1)
- AbbrCode: 0x00000000 ## end f1
Values: [] #
- AbbrCode: 0x00000004 ## f2
Values: ##
- Value: 0x0000000000000000 ##
- Value: 0x0000000000000007 ##
- AbbrCode: 0x00000000 # end compile unit
Values: []
...