[llvm] [XCOFF][obj2yaml] Support SymbolAlignmentAndType as 2 separate fields in YAML. (PR #76828)
via llvm-commits
llvm-commits at lists.llvm.org
Thu Jan 4 11:39:59 PST 2024
https://github.com/stephenpeckham updated https://github.com/llvm/llvm-project/pull/76828
>From 5787f2cddb3bc113cbc478f2c333af2b66d367f1 Mon Sep 17 00:00:00 2001
From: Stephen Peckham <speckham at us.ibm.com>
Date: Wed, 3 Jan 2024 10:11:15 -0500
Subject: [PATCH 1/2] [tools] Support SymbolAlignmentAndType as 2 separate
fields in YAML files.
---
llvm/include/llvm/ObjectYAML/XCOFFYAML.h | 7 +++++++
llvm/lib/ObjectYAML/XCOFFEmitter.cpp | 13 +++++++++++--
llvm/lib/ObjectYAML/XCOFFYAML.cpp | 15 ++++++++++++++-
llvm/test/tools/obj2yaml/XCOFF/aix.yaml | 12 ++++++++----
llvm/test/tools/obj2yaml/XCOFF/aux-symbols.yaml | 15 ++++++++++-----
llvm/tools/obj2yaml/xcoff2yaml.cpp | 12 +++++++-----
6 files changed, 57 insertions(+), 17 deletions(-)
diff --git a/llvm/include/llvm/ObjectYAML/XCOFFYAML.h b/llvm/include/llvm/ObjectYAML/XCOFFYAML.h
index f1e821fe5fa369..dd359ac8e53dd3 100644
--- a/llvm/include/llvm/ObjectYAML/XCOFFYAML.h
+++ b/llvm/include/llvm/ObjectYAML/XCOFFYAML.h
@@ -121,6 +121,9 @@ struct CsectAuxEnt : AuxSymbolEnt {
// Common fields for both XCOFF32 and XCOFF64.
std::optional<uint32_t> ParameterHashIndex;
std::optional<uint16_t> TypeChkSectNum;
+ std::optional<XCOFF::SymbolType> SymbolType;
+ std::optional<uint8_t> SymbolAlignment;
+ // The two previous values can be encoded as a single value.
std::optional<uint8_t> SymbolAlignmentAndType;
std::optional<XCOFF::StorageMappingClass> StorageMappingClass;
@@ -237,6 +240,10 @@ template <> struct ScalarEnumerationTraits<XCOFF::StorageMappingClass> {
static void enumeration(IO &IO, XCOFF::StorageMappingClass &Value);
};
+template <> struct ScalarEnumerationTraits<XCOFF::SymbolType> {
+ static void enumeration(IO &IO, XCOFF::SymbolType &Value);
+};
+
template <> struct ScalarEnumerationTraits<XCOFF::CFileStringType> {
static void enumeration(IO &IO, XCOFF::CFileStringType &Type);
};
diff --git a/llvm/lib/ObjectYAML/XCOFFEmitter.cpp b/llvm/lib/ObjectYAML/XCOFFEmitter.cpp
index ccf768c06aebfe..327440c6b87103 100644
--- a/llvm/lib/ObjectYAML/XCOFFEmitter.cpp
+++ b/llvm/lib/ObjectYAML/XCOFFEmitter.cpp
@@ -23,6 +23,7 @@
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
+using namespace llvm::object;
namespace {
@@ -525,11 +526,19 @@ bool XCOFFWriter::writeRelocations() {
}
void XCOFFWriter::writeAuxSymbol(const XCOFFYAML::CsectAuxEnt &AuxSym) {
+ uint8_t SymAlignAndType = AuxSym.SymbolAlignmentAndType.value_or(0);
+ if (AuxSym.SymbolType)
+ SymAlignAndType = (SymAlignAndType & ~XCOFFCsectAuxRef::SymbolTypeMask) |
+ *AuxSym.SymbolType;
+ if (AuxSym.SymbolAlignment)
+ SymAlignAndType =
+ (SymAlignAndType & ~XCOFFCsectAuxRef::SymbolAlignmentMask) |
+ (*AuxSym.SymbolAlignment << XCOFFCsectAuxRef::SymbolAlignmentBitOffset);
if (Is64Bit) {
W.write<uint32_t>(AuxSym.SectionOrLengthLo.value_or(0));
W.write<uint32_t>(AuxSym.ParameterHashIndex.value_or(0));
W.write<uint16_t>(AuxSym.TypeChkSectNum.value_or(0));
- W.write<uint8_t>(AuxSym.SymbolAlignmentAndType.value_or(0));
+ W.write<uint8_t>(SymAlignAndType);
W.write<uint8_t>(AuxSym.StorageMappingClass.value_or(XCOFF::XMC_PR));
W.write<uint32_t>(AuxSym.SectionOrLengthHi.value_or(0));
W.write<uint8_t>(0);
@@ -538,7 +547,7 @@ void XCOFFWriter::writeAuxSymbol(const XCOFFYAML::CsectAuxEnt &AuxSym) {
W.write<uint32_t>(AuxSym.SectionOrLength.value_or(0));
W.write<uint32_t>(AuxSym.ParameterHashIndex.value_or(0));
W.write<uint16_t>(AuxSym.TypeChkSectNum.value_or(0));
- W.write<uint8_t>(AuxSym.SymbolAlignmentAndType.value_or(0));
+ W.write<uint8_t>(SymAlignAndType);
W.write<uint8_t>(AuxSym.StorageMappingClass.value_or(XCOFF::XMC_PR));
W.write<uint32_t>(AuxSym.StabInfoIndex.value_or(0));
W.write<uint16_t>(AuxSym.StabSectNum.value_or(0));
diff --git a/llvm/lib/ObjectYAML/XCOFFYAML.cpp b/llvm/lib/ObjectYAML/XCOFFYAML.cpp
index 398b09c72170ba..a1eea621a1056e 100644
--- a/llvm/lib/ObjectYAML/XCOFFYAML.cpp
+++ b/llvm/lib/ObjectYAML/XCOFFYAML.cpp
@@ -127,6 +127,16 @@ void ScalarEnumerationTraits<XCOFF::StorageMappingClass>::enumeration(
#undef ECase
}
+void ScalarEnumerationTraits<XCOFF::SymbolType>::enumeration(
+ IO &IO, XCOFF::SymbolType &Value) {
+#define ECase(X) IO.enumCase(Value, #X, XCOFF::X)
+ ECase(XTY_ER);
+ ECase(XTY_SD);
+ ECase(XTY_LD);
+ ECase(XTY_CM);
+#undef ECase
+}
+
void ScalarEnumerationTraits<XCOFFYAML::AuxSymbolType>::enumeration(
IO &IO, XCOFFYAML::AuxSymbolType &Type) {
#define ECase(X) IO.enumCase(Type, #X, XCOFFYAML::X)
@@ -229,6 +239,8 @@ static void auxSymMapping(IO &IO, XCOFFYAML::CsectAuxEnt &AuxSym, bool Is64) {
IO.mapOptional("ParameterHashIndex", AuxSym.ParameterHashIndex);
IO.mapOptional("TypeChkSectNum", AuxSym.TypeChkSectNum);
IO.mapOptional("SymbolAlignmentAndType", AuxSym.SymbolAlignmentAndType);
+ IO.mapOptional("SymbolType", AuxSym.SymbolType);
+ IO.mapOptional("SymbolAlignment", AuxSym.SymbolAlignment);
IO.mapOptional("StorageMappingClass", AuxSym.StorageMappingClass);
if (Is64) {
IO.mapOptional("SectionOrLengthLo", AuxSym.SectionOrLengthLo);
@@ -350,7 +362,8 @@ void MappingTraits<XCOFFYAML::Symbol>::mapping(IO &IO, XCOFFYAML::Symbol &S) {
IO.mapOptional("AuxEntries", S.AuxEntries);
}
-void MappingTraits<XCOFFYAML::StringTable>::mapping(IO &IO, XCOFFYAML::StringTable &Str) {
+void MappingTraits<XCOFFYAML::StringTable>::mapping(
+ IO &IO, XCOFFYAML::StringTable &Str) {
IO.mapOptional("ContentSize", Str.ContentSize);
IO.mapOptional("Length", Str.Length);
IO.mapOptional("Strings", Str.Strings);
diff --git a/llvm/test/tools/obj2yaml/XCOFF/aix.yaml b/llvm/test/tools/obj2yaml/XCOFF/aix.yaml
index fbd5fa0629d10b..9f2f68b646b6f4 100644
--- a/llvm/test/tools/obj2yaml/XCOFF/aix.yaml
+++ b/llvm/test/tools/obj2yaml/XCOFF/aix.yaml
@@ -56,7 +56,8 @@
# CHECK32-NEXT: - Type: AUX_CSECT
# CHECK32-NEXT: ParameterHashIndex: 0
# CHECK32-NEXT: TypeChkSectNum: 0
-# CHECK32-NEXT: SymbolAlignmentAndType: 0
+# CHECK32-NEXT: SymbolType: XTY_ER
+# CHECK32-NEXT: SymbolAlignment: 0
# CHECK32-NEXT: StorageMappingClass: XMC_PR
# CHECK32-NEXT: SectionOrLength: 0
# CHECK32-NEXT: StabInfoIndex: 0
@@ -71,7 +72,8 @@
# CHECK32-NEXT: - Type: AUX_CSECT
# CHECK32-NEXT: ParameterHashIndex: 0
# CHECK32-NEXT: TypeChkSectNum: 0
-# CHECK32-NEXT: SymbolAlignmentAndType: 0
+# CHECK32-NEXT: SymbolType: XTY_ER
+# CHECK32-NEXT: SymbolAlignment: 0
# CHECK32-NEXT: StorageMappingClass: XMC_PR
# CHECK32-NEXT: SectionOrLength: 0
# CHECK32-NEXT: StabInfoIndex: 0
@@ -128,7 +130,8 @@
# CHECK64-NEXT: - Type: AUX_CSECT
# CHECK64-NEXT: ParameterHashIndex: 0
# CHECK64-NEXT: TypeChkSectNum: 0
-# CHECK64-NEXT: SymbolAlignmentAndType: 0
+# CHECK64-NEXT: SymbolType: XTY_ER
+# CHECK64-NEXT: SymbolAlignment: 0
# CHECK64-NEXT: StorageMappingClass: XMC_PR
# CHECK64-NEXT: SectionOrLengthLo: 0
# CHECK64-NEXT: SectionOrLengthHi: 0
@@ -142,7 +145,8 @@
# CHECK64-NEXT: - Type: AUX_CSECT
# CHECK64-NEXT: ParameterHashIndex: 0
# CHECK64-NEXT: TypeChkSectNum: 0
-# CHECK64-NEXT: SymbolAlignmentAndType: 0
+# CHECK64-NEXT: SymbolType: XTY_ER
+# CHECK64-NEXT: SymbolAlignment: 0
# CHECK64-NEXT: StorageMappingClass: XMC_PR
# CHECK64-NEXT: SectionOrLengthLo: 0
# CHECK64-NEXT: SectionOrLengthHi: 0
diff --git a/llvm/test/tools/obj2yaml/XCOFF/aux-symbols.yaml b/llvm/test/tools/obj2yaml/XCOFF/aux-symbols.yaml
index 7f93b8dae0ca9b..2260bb07749898 100644
--- a/llvm/test/tools/obj2yaml/XCOFF/aux-symbols.yaml
+++ b/llvm/test/tools/obj2yaml/XCOFF/aux-symbols.yaml
@@ -34,7 +34,8 @@
# CHECK32-NEXT: - Type: AUX_CSECT
# CHECK32-NEXT: ParameterHashIndex: 1
# CHECK32-NEXT: TypeChkSectNum: 2
-# CHECK32-NEXT: SymbolAlignmentAndType: 41
+# CHECK32-NEXT: SymbolType: XTY_SD
+# CHECK32-NEXT: SymbolAlignment: 5
# CHECK32-NEXT: StorageMappingClass: XMC_PR
# CHECK32-NEXT: SectionOrLength: 3
# CHECK32-NEXT: StabInfoIndex: 4
@@ -54,7 +55,8 @@
# CHECK32-NEXT: - Type: AUX_CSECT
# CHECK32-NEXT: ParameterHashIndex: 1
# CHECK32-NEXT: TypeChkSectNum: 2
-# CHECK32-NEXT: SymbolAlignmentAndType: 17
+# CHECK32-NEXT: SymbolType: XTY_SD
+# CHECK32-NEXT: SymbolAlignment: 2
# CHECK32-NEXT: StorageMappingClass: XMC_PR
# CHECK32-NEXT: SectionOrLength: 4
# CHECK32-NEXT: StabInfoIndex: 5
@@ -105,7 +107,8 @@ Symbols:
- Type: AUX_CSECT
ParameterHashIndex: 1
TypeChkSectNum: 2
- SymbolAlignmentAndType: 41
+ SymbolAlignment: 5
+ SymbolType: XTY_SD
SectionOrLength: 3
StabInfoIndex: 4
StabSectNum: 5
@@ -174,7 +177,8 @@ Symbols:
# CHECK64-NEXT: - Type: AUX_CSECT
# CHECK64-NEXT: ParameterHashIndex: 1
# CHECK64-NEXT: TypeChkSectNum: 2
-# CHECK64-NEXT: SymbolAlignmentAndType: 41
+# CHECK64-NEXT: SymbolType: XTY_SD
+# CHECK64-NEXT: SymbolAlignment: 5
# CHECK64-NEXT: StorageMappingClass: XMC_PR
# CHECK64-NEXT: SectionOrLengthLo: 3
# CHECK64-NEXT: SectionOrLengthHi: 4
@@ -196,7 +200,8 @@ Symbols:
# CHECK64-NEXT: - Type: AUX_CSECT
# CHECK64-NEXT: ParameterHashIndex: 1
# CHECK64-NEXT: TypeChkSectNum: 2
-# CHECK64-NEXT: SymbolAlignmentAndType: 17
+# CHECK64-NEXT: SymbolType: XTY_SD
+# CHECK64-NEXT: SymbolAlignment: 2
# CHECK64-NEXT: StorageMappingClass: XMC_PR
# CHECK64-NEXT: SectionOrLengthLo: 3
# CHECK64-NEXT: SectionOrLengthHi: 4
diff --git a/llvm/tools/obj2yaml/xcoff2yaml.cpp b/llvm/tools/obj2yaml/xcoff2yaml.cpp
index f7c2bae7479895..e426b645cbeff6 100644
--- a/llvm/tools/obj2yaml/xcoff2yaml.cpp
+++ b/llvm/tools/obj2yaml/xcoff2yaml.cpp
@@ -37,7 +37,7 @@ class XCOFFDumper {
Error dumpAuxSyms(XCOFFYAML::Symbol &Sym, const XCOFFSymbolRef &SymbolEntRef);
void dumpFuncAuxSym(XCOFFYAML::Symbol &Sym, const uintptr_t AuxAddress);
void dumpExpAuxSym(XCOFFYAML::Symbol &Sym, const uintptr_t AuxAddress);
- void dumpCscetAuxSym(XCOFFYAML::Symbol &Sym,
+ void dumpCsectAuxSym(XCOFFYAML::Symbol &Sym,
const object::XCOFFCsectAuxRef &AuxEntPtr);
public:
@@ -204,12 +204,14 @@ void XCOFFDumper::dumpExpAuxSym(XCOFFYAML::Symbol &Sym,
std::make_unique<XCOFFYAML::ExcpetionAuxEnt>(ExceptAuxSym));
}
-void XCOFFDumper::dumpCscetAuxSym(XCOFFYAML::Symbol &Sym,
+void XCOFFDumper::dumpCsectAuxSym(XCOFFYAML::Symbol &Sym,
const object::XCOFFCsectAuxRef &AuxEntPtr) {
XCOFFYAML::CsectAuxEnt CsectAuxSym;
CsectAuxSym.ParameterHashIndex = AuxEntPtr.getParameterHashIndex();
CsectAuxSym.TypeChkSectNum = AuxEntPtr.getTypeChkSectNum();
- CsectAuxSym.SymbolAlignmentAndType = AuxEntPtr.getSymbolAlignmentAndType();
+ CsectAuxSym.SymbolAlignment = AuxEntPtr.getAlignmentLog2();
+ CsectAuxSym.SymbolType =
+ static_cast<XCOFF::SymbolType>(AuxEntPtr.getSymbolType());
CsectAuxSym.StorageMappingClass = AuxEntPtr.getStorageMappingClass();
if (Obj.is64Bit()) {
@@ -237,7 +239,7 @@ Error XCOFFDumper::dumpAuxSyms(XCOFFYAML::Symbol &Sym,
for (uint8_t I = 1; I <= Sym.NumberOfAuxEntries; ++I) {
if (I == Sym.NumberOfAuxEntries && !Obj.is64Bit()) {
- dumpCscetAuxSym(Sym, CsectAuxRef);
+ dumpCsectAuxSym(Sym, CsectAuxRef);
return Error::success();
}
@@ -247,7 +249,7 @@ Error XCOFFDumper::dumpAuxSyms(XCOFFYAML::Symbol &Sym,
if (Obj.is64Bit()) {
XCOFF::SymbolAuxType Type = *Obj.getSymbolAuxType(AuxAddress);
if (Type == XCOFF::SymbolAuxType::AUX_CSECT)
- dumpCscetAuxSym(Sym, CsectAuxRef);
+ dumpCsectAuxSym(Sym, CsectAuxRef);
else if (Type == XCOFF::SymbolAuxType::AUX_FCN)
dumpFuncAuxSym(Sym, AuxAddress);
else if (Type == XCOFF::SymbolAuxType::AUX_EXCEPT)
>From dcf3db363ae0e5dc17d1319b90ae3df1214af7e6 Mon Sep 17 00:00:00 2001
From: Stephen Peckham <speckham at us.ibm.com>
Date: Thu, 4 Jan 2024 14:39:05 -0500
Subject: [PATCH 2/2] Add new test case.
---
.../tools/obj2yaml/XCOFF/aux-aligntype.yaml | 209 ++++++++++++++++++
.../tools/obj2yaml/XCOFF/aux-symbols.yaml | 3 +-
2 files changed, 210 insertions(+), 2 deletions(-)
create mode 100644 llvm/test/tools/obj2yaml/XCOFF/aux-aligntype.yaml
diff --git a/llvm/test/tools/obj2yaml/XCOFF/aux-aligntype.yaml b/llvm/test/tools/obj2yaml/XCOFF/aux-aligntype.yaml
new file mode 100644
index 00000000000000..39eacea0fdb98a
--- /dev/null
+++ b/llvm/test/tools/obj2yaml/XCOFF/aux-aligntype.yaml
@@ -0,0 +1,209 @@
+## Check that obj2yaml can parse SymbolAlignmentAndType, SymbolAlignment, and SymbolType.
+
+# RUN: yaml2obj %s --docnum=1 -o %t32
+# RUN: obj2yaml %t32 | FileCheck %s --check-prefix=CHECK32
+
+# CHECK32: --- !XCOFF
+# CHECK32-NEXT: FileHeader:
+# CHECK32-NEXT: MagicNumber: 0x1DF
+# CHECK32-NEXT: NumberOfSections: 0
+# CHECK32-NEXT: CreationTime: 0
+# CHECK32-NEXT: OffsetToSymbolTable: 0x14
+# CHECK32-NEXT: EntriesInSymbolTable: 10
+# CHECK32-NEXT: AuxiliaryHeaderSize: 0
+# CHECK32-NEXT: Flags: 0x0
+# CHECK32-NEXT: Symbols:
+# CHECK32: - Name: .fcn1
+# CHECK32-NEXT: Value: 0x0
+# CHECK32-NEXT: Section: N_UNDEF
+# CHECK32-NEXT: Type: 0x0
+# CHECK32-NEXT: StorageClass: C_EXT
+# CHECK32-NEXT: NumberOfAuxEntries: 1
+# CHECK32-NEXT: AuxEntries:
+# CHECK32-NEXT: - Type: AUX_CSECT
+# CHECK32-NEXT: ParameterHashIndex: 0
+# CHECK32-NEXT: TypeChkSectNum: 0
+# CHECK32-NEXT: SymbolType: XTY_SD
+# CHECK32-NEXT: SymbolAlignment: 4
+# CHECK32-NEXT: StorageMappingClass: XMC_PR
+# CHECK32: - Name: .fcn2
+# CHECK32-NEXT: Value: 0x0
+# CHECK32-NEXT: Section: N_UNDEF
+# CHECK32-NEXT: Type: 0x0
+# CHECK32-NEXT: StorageClass: C_EXT
+# CHECK32-NEXT: NumberOfAuxEntries: 1
+# CHECK32-NEXT: AuxEntries:
+# CHECK32-NEXT: - Type: AUX_CSECT
+# CHECK32-NEXT: ParameterHashIndex: 0
+# CHECK32-NEXT: TypeChkSectNum: 0
+# CHECK32-NEXT: SymbolType: XTY_SD
+# CHECK32-NEXT: SymbolAlignment: 2
+# CHECK32-NEXT: StorageMappingClass: XMC_PR
+# CHECK32: - Name: .fcn3
+# CHECK32-NEXT: Value: 0x0
+# CHECK32-NEXT: Section: N_UNDEF
+# CHECK32-NEXT: Type: 0x0
+# CHECK32-NEXT: StorageClass: C_EXT
+# CHECK32-NEXT: NumberOfAuxEntries: 1
+# CHECK32-NEXT: AuxEntries:
+# CHECK32-NEXT: - Type: AUX_CSECT
+# CHECK32-NEXT: ParameterHashIndex: 0
+# CHECK32-NEXT: TypeChkSectNum: 0
+# CHECK32-NEXT: SymbolType: XTY_SD
+# CHECK32-NEXT: SymbolAlignment: 0
+# CHECK32-NEXT: StorageMappingClass: XMC_PR
+# CHECK32: - Name: .fcn4
+# CHECK32-NEXT: Value: 0x0
+# CHECK32-NEXT: Section: N_UNDEF
+# CHECK32-NEXT: Type: 0x0
+# CHECK32-NEXT: StorageClass: C_EXT
+# CHECK32-NEXT: NumberOfAuxEntries: 1
+# CHECK32-NEXT: AuxEntries:
+# CHECK32-NEXT: - Type: AUX_CSECT
+# CHECK32-NEXT: ParameterHashIndex: 0
+# CHECK32-NEXT: TypeChkSectNum: 0
+# CHECK32-NEXT: SymbolType: XTY_ER
+# CHECK32-NEXT: SymbolAlignment: 5
+# CHECK32-NEXT: StorageMappingClass: XMC_PR
+
+--- !XCOFF
+FileHeader:
+ MagicNumber: 0x1DF
+Symbols:
+ - StorageClass: C_FILE
+ AuxEntries:
+ - Type: AUX_FILE
+ FileNameOrString: FileName
+ FileStringType: XFT_CD
+ - StorageClass: C_EXT
+ Name: .fcn1
+ AuxEntries:
+ - Type: AUX_CSECT
+ SymbolAlignmentAndType: 17
+ SymbolAlignment: 4
+ SectionOrLength: 4
+ - StorageClass: C_EXT
+ Name: .fcn2
+ AuxEntries:
+ - Type: AUX_CSECT
+ SymbolAlignmentAndType: 18
+ SymbolType: XTY_SD
+ SectionOrLength: 4
+ - StorageClass: C_EXT
+ Name: .fcn3
+ AuxEntries:
+ - Type: AUX_CSECT
+ SymbolType: XTY_SD
+ SectionOrLength: 4
+ - StorageClass: C_EXT
+ Name: .fcn4
+ AuxEntries:
+ - Type: AUX_CSECT
+ SymbolAlignment: 5
+ SectionOrLength: 4
+
+# RUN: yaml2obj %s --docnum=2 -o %t64
+# RUN: obj2yaml %t64 | FileCheck %s --check-prefix=CHECK64
+#
+# CHECK64: --- !XCOFF
+# CHECK64-NEXT: FileHeader:
+# CHECK64-NEXT: MagicNumber: 0x1F7
+# CHECK64-NEXT: NumberOfSections: 0
+# CHECK64-NEXT: CreationTime: 0
+# CHECK64-NEXT: OffsetToSymbolTable: 0x18
+# CHECK64-NEXT: EntriesInSymbolTable: 10
+# CHECK64-NEXT: AuxiliaryHeaderSize: 0
+# CHECK64-NEXT: Flags: 0x0
+# CHECK64-NEXT: Symbols:
+# CHECK64: - Name: .fcn1
+# CHECK64-NEXT: Value: 0x0
+# CHECK64-NEXT: Section: N_UNDEF
+# CHECK64-NEXT: Type: 0x0
+# CHECK64-NEXT: StorageClass: C_EXT
+# CHECK64-NEXT: NumberOfAuxEntries: 1
+# CHECK64-NEXT: AuxEntries:
+# CHECK64-NEXT: - Type: AUX_CSECT
+# CHECK64-NEXT: ParameterHashIndex: 0
+# CHECK64-NEXT: TypeChkSectNum: 0
+# CHECK64-NEXT: SymbolType: XTY_SD
+# CHECK64-NEXT: SymbolAlignment: 4
+# CHECK64-NEXT: StorageMappingClass: XMC_PR
+# CHECK64-NEXT: SectionOrLengthLo: 4
+# CHECK64: - Name: .fcn2
+# CHECK64-NEXT: Value: 0x0
+# CHECK64-NEXT: Section: N_UNDEF
+# CHECK64-NEXT: Type: 0x0
+# CHECK64-NEXT: StorageClass: C_EXT
+# CHECK64-NEXT: NumberOfAuxEntries: 1
+# CHECK64-NEXT: AuxEntries:
+# CHECK64-NEXT: - Type: AUX_CSECT
+# CHECK64-NEXT: ParameterHashIndex: 0
+# CHECK64-NEXT: TypeChkSectNum: 0
+# CHECK64-NEXT: SymbolType: XTY_SD
+# CHECK64-NEXT: SymbolAlignment: 2
+# CHECK64-NEXT: StorageMappingClass: XMC_PR
+# CHECK64-NEXT: SectionOrLengthLo: 4
+# CHECK64: - Name: .fcn3
+# CHECK64-NEXT: Value: 0x0
+# CHECK64-NEXT: Section: N_UNDEF
+# CHECK64-NEXT: Type: 0x0
+# CHECK64-NEXT: StorageClass: C_EXT
+# CHECK64-NEXT: NumberOfAuxEntries: 1
+# CHECK64-NEXT: AuxEntries:
+# CHECK64-NEXT: - Type: AUX_CSECT
+# CHECK64-NEXT: ParameterHashIndex: 0
+# CHECK64-NEXT: TypeChkSectNum: 0
+# CHECK64-NEXT: SymbolType: XTY_SD
+# CHECK64-NEXT: SymbolAlignment: 0
+# CHECK64-NEXT: StorageMappingClass: XMC_PR
+# CHECK64-NEXT: SectionOrLengthLo: 4
+# CHECK64: - Name: .fcn4
+# CHECK64-NEXT: Value: 0x0
+# CHECK64-NEXT: Section: N_UNDEF
+# CHECK64-NEXT: Type: 0x0
+# CHECK64-NEXT: StorageClass: C_EXT
+# CHECK64-NEXT: NumberOfAuxEntries: 1
+# CHECK64-NEXT: AuxEntries:
+# CHECK64-NEXT: - Type: AUX_CSECT
+# CHECK64-NEXT: ParameterHashIndex: 0
+# CHECK64-NEXT: TypeChkSectNum: 0
+# CHECK64-NEXT: SymbolType: XTY_ER
+# CHECK64-NEXT: SymbolAlignment: 5
+# CHECK64-NEXT: StorageMappingClass: XMC_PR
+# CHECK64-NEXT: SectionOrLengthLo: 4
+
+--- !XCOFF
+FileHeader:
+ MagicNumber: 0x1F7
+Symbols:
+ - StorageClass: C_FILE
+ AuxEntries:
+ - Type: AUX_FILE
+ FileNameOrString: FileName
+ FileStringType: XFT_CD
+ - StorageClass: C_EXT
+ Name: .fcn1
+ AuxEntries:
+ - Type: AUX_CSECT
+ SymbolAlignmentAndType: 17
+ SymbolAlignment: 4
+ SectionOrLengthLo: 4
+ - StorageClass: C_EXT
+ Name: .fcn2
+ AuxEntries:
+ - Type: AUX_CSECT
+ SymbolAlignmentAndType: 18
+ SymbolType: XTY_SD
+ SectionOrLengthLo: 4
+ - StorageClass: C_EXT
+ Name: .fcn3
+ AuxEntries:
+ - Type: AUX_CSECT
+ SymbolType: XTY_SD
+ SectionOrLengthLo: 4
+ - StorageClass: C_EXT
+ Name: .fcn4
+ AuxEntries:
+ - Type: AUX_CSECT
+ SymbolAlignment: 5
+ SectionOrLengthLo: 4
diff --git a/llvm/test/tools/obj2yaml/XCOFF/aux-symbols.yaml b/llvm/test/tools/obj2yaml/XCOFF/aux-symbols.yaml
index 2260bb07749898..8155ac1acd186b 100644
--- a/llvm/test/tools/obj2yaml/XCOFF/aux-symbols.yaml
+++ b/llvm/test/tools/obj2yaml/XCOFF/aux-symbols.yaml
@@ -107,8 +107,7 @@ Symbols:
- Type: AUX_CSECT
ParameterHashIndex: 1
TypeChkSectNum: 2
- SymbolAlignment: 5
- SymbolType: XTY_SD
+ SymbolAlignmentAndType: 41
SectionOrLength: 3
StabInfoIndex: 4
StabSectNum: 5
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