[llvm] 78a9e62 - [XCOFF] Enable -fdata-sections on AIX
via llvm-commits
llvm-commits at lists.llvm.org
Thu Oct 1 17:16:42 PDT 2020
Author: jasonliu
Date: 2020-10-02T00:16:24Z
New Revision: 78a9e62aa6f8f39fe8141e5486fca6db29947ecf
URL: https://github.com/llvm/llvm-project/commit/78a9e62aa6f8f39fe8141e5486fca6db29947ecf
DIFF: https://github.com/llvm/llvm-project/commit/78a9e62aa6f8f39fe8141e5486fca6db29947ecf.diff
LOG: [XCOFF] Enable -fdata-sections on AIX
Summary:
Some design decision worth noting about:
I've noticed a recent mailing discussing about why string literal is
not affected by -fdata-sections for ELF target:
http://lists.llvm.org/pipermail/llvm-dev/2020-September/145121.html
But on AIX, our linker could not split the mergeable string like other target.
So I think it would make more sense for us to emit separate csect for
every mergeable string in -fdata-sections mode,
as there might not be other ways for linker to do garbage collection
on unused mergeable string.
Reviewed By: daltenty, hubert.reinterpretcast
Differential Revision: https://reviews.llvm.org/D88339
Added:
llvm/test/CodeGen/PowerPC/aix-xcoff-data-sections.ll
Modified:
llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
Removed:
################################################################################
diff --git a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
index 676a465c49e2..92ffbec168eb 100644
--- a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
@@ -2055,11 +2055,10 @@ MCSection *TargetLoweringObjectFileWasm::getStaticDtorSection(
MCSymbol *
TargetLoweringObjectFileXCOFF::getTargetSymbol(const GlobalValue *GV,
const TargetMachine &TM) const {
- if (TM.getDataSections())
- report_fatal_error("XCOFF unique data sections not yet implemented");
-
// We always use a qualname symbol for a GV that represents
// a declaration, a function descriptor, or a common symbol.
+ // If a GV represents a GlobalVariable and -fdata-sections is enabled, we
+ // also return a qualname so that a label symbol could be avoided.
// It is inherently ambiguous when the GO represents the address of a
// function, as the GO could either represent a function descriptor or a
// function entry point. We choose to always return a function descriptor
@@ -2074,15 +2073,12 @@ TargetLoweringObjectFileXCOFF::getTargetSymbol(const GlobalValue *GV,
return cast<MCSectionXCOFF>(
getSectionForFunctionDescriptor(cast<Function>(GO), TM))
->getQualNameSymbol();
- if (GOKind.isCommon() || GOKind.isBSSLocal())
+ if (TM.getDataSections() || GOKind.isCommon() || GOKind.isBSSLocal())
return cast<MCSectionXCOFF>(SectionForGlobal(GO, GOKind, TM))
->getQualNameSymbol();
}
// For all other cases, fall back to getSymbol to return the unqualified name.
- // This could change for a GV that is a GlobalVariable when we decide to
- // support -fdata-sections since we could avoid having label symbols if the
- // linkage name is applied to the csect symbol.
return nullptr;
}
@@ -2107,9 +2103,6 @@ MCSection *TargetLoweringObjectFileXCOFF::getSectionForExternalReference(
MCSection *TargetLoweringObjectFileXCOFF::SelectSectionForGlobal(
const GlobalObject *GO, SectionKind Kind, const TargetMachine &TM) const {
- assert(!TM.getDataSections() &&
- "XCOFF unique data sections not yet implemented.");
-
// Common symbols go into a csect with matching name which will get mapped
// into the .bss section.
if (Kind.isBSSLocal() || Kind.isCommon()) {
@@ -2129,6 +2122,9 @@ MCSection *TargetLoweringObjectFileXCOFF::SelectSectionForGlobal(
SmallString<128> Name;
Name = SizeSpec + utostr(Alignment.value());
+ if (TM.getDataSections())
+ getNameWithPrefix(Name, GO, TM);
+
return getContext().getXCOFFSection(Name, XCOFF::XMC_RO, XCOFF::XTY_SD,
Kind, /*BeginSymbolName*/ nullptr);
}
@@ -2141,20 +2137,32 @@ MCSection *TargetLoweringObjectFileXCOFF::SelectSectionForGlobal(
return TextSection;
}
- if (Kind.isData() || Kind.isReadOnlyWithRel())
- // TODO: We may put this under option control, because user may want to
- // have read-only data with relocations placed into a read-only section by
- // the compiler.
- return DataSection;
-
- // Zero initialized data must be emitted to the .data section because external
- // linkage control sections that get mapped to the .bss section will be linked
- // as tentative defintions, which is only appropriate for SectionKind::Common.
- if (Kind.isBSS())
+ // TODO: We may put Kind.isReadOnlyWithRel() under option control, because
+ // user may want to have read-only data with relocations placed into a
+ // read-only section by the compiler.
+ // For BSS kind, zero initialized data must be emitted to the .data section
+ // because external linkage control sections that get mapped to the .bss
+ // section will be linked as tentative defintions, which is only appropriate
+ // for SectionKind::Common.
+ if (Kind.isData() || Kind.isReadOnlyWithRel() || Kind.isBSS()) {
+ if (TM.getDataSections()) {
+ SmallString<128> Name;
+ getNameWithPrefix(Name, GO, TM);
+ return getContext().getXCOFFSection(Name, XCOFF::XMC_RW, XCOFF::XTY_SD,
+ SectionKind::getData());
+ }
return DataSection;
+ }
- if (Kind.isReadOnly())
+ if (Kind.isReadOnly()) {
+ if (TM.getDataSections()) {
+ SmallString<128> Name;
+ getNameWithPrefix(Name, GO, TM);
+ return getContext().getXCOFFSection(Name, XCOFF::XMC_RO, XCOFF::XTY_SD,
+ SectionKind::getReadOnly());
+ }
return ReadOnlySection;
+ }
report_fatal_error("XCOFF other section types not yet implemented.");
}
diff --git a/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp b/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
index b0ac8095c987..4641f8e1c94d 100644
--- a/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
+++ b/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
@@ -1809,11 +1809,16 @@ void PPCAIXAsmPrinter::emitGlobalVariable(const GlobalVariable *GV) {
MCSymbol *EmittedInitSym = GVSym;
emitLinkage(GV, EmittedInitSym);
emitAlignment(getGVAlignment(GV, DL), GV);
- OutStreamer->emitLabel(EmittedInitSym);
+ // When -fdata-sections is enabled, every GlobalVariable will
+ // be put into its own csect; therefore, label is not necessary here.
+ if (!TM.getDataSections())
+ OutStreamer->emitLabel(EmittedInitSym);
+
// Emit aliasing label for global variable.
llvm::for_each(GOAliasMap[GV], [this](const GlobalAlias *Alias) {
OutStreamer->emitLabel(getSymbol(Alias));
});
+
emitGlobalConstant(GV->getParent()->getDataLayout(), GV->getInitializer());
}
diff --git a/llvm/test/CodeGen/PowerPC/aix-xcoff-data-sections.ll b/llvm/test/CodeGen/PowerPC/aix-xcoff-data-sections.ll
new file mode 100644
index 000000000000..264c7b497863
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/aix-xcoff-data-sections.ll
@@ -0,0 +1,312 @@
+; RUN: llc -verify-machineinstrs -mcpu=pwr4 -mtriple powerpc-ibm-aix-xcoff -data-sections < %s | \
+; RUN: FileCheck --check-prefixes=CHECK,CHECK32 %s
+; RUN: llc -verify-machineinstrs -mcpu=pwr4 -mtriple powerpc64-ibm-aix-xcoff -data-sections < %s | \
+; RUN: FileCheck --check-prefixes=CHECK,CHECK64 %s
+; RUN: llc -verify-machineinstrs -mcpu=pwr4 -mtriple powerpc-ibm-aix-xcoff -filetype=obj -data-sections -o %t.o < %s
+; RUN: llvm-objdump -D --symbol-description %t.o | FileCheck --check-prefix=CHECKOBJ %s
+; RUN: llvm-readobj -syms %t.o | FileCheck --check-prefix=CHECKSYM %s
+
+ at ivar = local_unnamed_addr global i32 35, align 4
+ at const_ivar = constant i32 35, align 4
+
+ at a = common global i32 0, align 4
+ at f = common local_unnamed_addr global i32 0, align 4
+
+ at .str = private unnamed_addr constant [9 x i8] c"abcdefgh\00", align 1
+ at p = global i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i32 0, i32 0), align 4
+
+define i8 @foo() {
+entry:
+ %0 = load i8*, i8** @p, align 4
+ %1 = load i8, i8* %0, align 1
+ ret i8 %1
+}
+
+define i32 @bar() {
+entry:
+ %0 = load i32, i32* @ivar, align 4
+ %1 = load i32, i32* @const_ivar, align 4
+ %add = add nsw i32 %0, %1
+ %2 = load i32, i32* @a, align 4
+ %add1 = add nsw i32 %add, %2
+ %3 = load i32, i32* @f, align 4
+ %add2 = add nsw i32 %add1, %3
+ ret i32 %add2
+}
+
+
+; CHECK: .csect ivar[RW],2
+; CHECK-NEXT: .globl ivar[RW]
+; CHECK-NEXT: .align 2
+; CHECK-NEXT: .vbyte 4, 35 # 0x23
+; CHECK-NEXT: .csect const_ivar[RO],2
+; CHECK-NEXT: .globl const_ivar[RO]
+; CHECK-NEXT: .align 2
+; CHECK-NEXT: .vbyte 4, 35 # 0x23
+; CHECK-NEXT: .comm a[RW],4,2
+; CHECK-NEXT: .comm f[RW],4,2
+; CHECK-NEXT: .csect .rodata.str1.1L...str[RO],2
+; CHECK-NEXT: .byte 'a,'b,'c,'d,'e,'f,'g,'h,0000
+; CHECK32: .csect p[RW],2
+; CHECK32-NEXT: .globl p[RW]
+; CHECK32-NEXT: .align 2
+; CHECK32-NEXT: .vbyte 4, .rodata.str1.1L...str[RO]
+; CHECK64: .csect p[RW],3
+; CHECK64-NEXT: .globl p[RW]
+; CHECK64-NEXT: .align 3
+; CHECK64-NEXT: .vbyte 8, .rodata.str1.1L...str[RO]
+; CHECK: .toc
+; CHECK-NEXT: L..C0:
+; CHECK-NEXT: .tc p[TC],p[RW]
+; CHECK-NEXT: L..C1:
+; CHECK-NEXT: .tc ivar[TC],ivar[RW]
+; CHECK-NEXT: L..C2:
+; CHECK-NEXT: .tc a[TC],a[RW]
+; CHECK-NEXT: L..C3:
+; CHECK-NEXT: .tc f[TC],f[RW]
+
+; CHECKOBJ: 00000038 (idx: 6) const_ivar[RO]:
+; CHECKOBJ-NEXT: 38: 00 00 00 23 <unknown>
+; CHECKOBJ-EMPTY:
+; CHECKOBJ-NEXT: 0000003c (idx: 8) .rodata.str1.1L...str[RO]:
+; CHECKOBJ-NEXT: 3c: 61 62 63 64
+; CHECKOBJ-NEXT: 40: 65 66 67 68
+; CHECKOBJ-NEXT: 44: 00 00 00 00 <unknown>
+; CHECKOBJ-EMPTY:
+; CHECKOBJ-NEXT: Disassembly of section .data:
+; CHECKOBJ-EMPTY:
+; CHECKOBJ-NEXT: 00000048 (idx: 10) ivar[RW]:
+; CHECKOBJ-NEXT: 48: 00 00 00 23 <unknown>
+; CHECKOBJ-EMPTY:
+; CHECKOBJ-NEXT: 0000004c (idx: 12) p[RW]:
+; CHECKOBJ-NEXT: 4c: 00 00 00 3c <unknown>
+; CHECKOBJ-EMPTY:
+; CHECKOBJ-NEXT: 00000050 (idx: 14) foo[DS]:
+; CHECKOBJ-NEXT: 50: 00 00 00 00 <unknown>
+; CHECKOBJ-NEXT: 54: 00 00 00 68 <unknown>
+; CHECKOBJ-NEXT: 58: 00 00 00 00 <unknown>
+; CHECKOBJ-EMPTY:
+; CHECKOBJ-NEXT: 0000005c (idx: 16) bar[DS]:
+; CHECKOBJ-NEXT: 5c: 00 00 00 10 <unknown>
+; CHECKOBJ-NEXT: 60: 00 00 00 68 <unknown>
+; CHECKOBJ-NEXT: 64: 00 00 00 00 <unknown>
+; CHECKOBJ-EMPTY:
+; CHECKOBJ-NEXT: 00000068 (idx: 20) p[TC]:
+; CHECKOBJ-NEXT: 68: 00 00 00 4c <unknown>
+; CHECKOBJ-EMPTY:
+; CHECKOBJ-NEXT: 0000006c (idx: 22) ivar[TC]:
+; CHECKOBJ-NEXT: 6c: 00 00 00 48 <unknown>
+; CHECKOBJ-EMPTY:
+; CHECKOBJ-NEXT: 00000070 (idx: 24) a[TC]:
+; CHECKOBJ-NEXT: 70: 00 00 00 78 <unknown>
+; CHECKOBJ-EMPTY:
+; CHECKOBJ-NEXT: 00000074 (idx: 26) f[TC]:
+; CHECKOBJ-NEXT: 74: 00 00 00 7c <unknown>
+; CHECKOBJ-EMPTY:
+; CHECKOBJ-NEXT: Disassembly of section .bss:
+; CHECKOBJ-EMPTY:
+; CHECKOBJ-NEXT: 00000078 (idx: 28) a[RW]:
+; CHECKOBJ-NEXT: ...
+; CHECKOBJ-EMPTY:
+; CHECKOBJ-NEXT: 0000007c (idx: 30) f[RW]:
+; CHECKOBJ-NEXT: ...
+
+
+; CHECKSYM: Symbol {
+; CHECKSYM: Name: const_ivar
+; CHECKSYM: Value (RelocatableAddress): 0x38
+; CHECKSYM: Section: .text
+; CHECKSYM: Type: 0x0
+; CHECKSYM: StorageClass: C_EXT (0x2)
+; CHECKSYM: NumberOfAuxEntries: 1
+; CHECKSYM: CSECT Auxiliary Entry {
+; CHECKSYM: SectionLen: 4
+; CHECKSYM: ParameterHashIndex: 0x0
+; CHECKSYM: TypeChkSectNum: 0x0
+; CHECKSYM: SymbolAlignmentLog2: 2
+; CHECKSYM: SymbolType: XTY_SD (0x1)
+; CHECKSYM: StorageMappingClass: XMC_RO (0x1)
+; CHECKSYM: StabInfoIndex: 0x0
+; CHECKSYM: StabSectNum: 0x0
+; CHECKSYM: }
+; CHECKSYM: }
+; CHECKSYM: Symbol {
+; CHECKSYM: Name: .rodata.str1.1L...str
+; CHECKSYM: Value (RelocatableAddress): 0x3C
+; CHECKSYM: Section: .text
+; CHECKSYM: Type: 0x0
+; CHECKSYM: StorageClass: C_HIDEXT (0x6B)
+; CHECKSYM: NumberOfAuxEntries: 1
+; CHECKSYM: CSECT Auxiliary Entry {
+; CHECKSYM: SectionLen: 9
+; CHECKSYM: ParameterHashIndex: 0x0
+; CHECKSYM: TypeChkSectNum: 0x0
+; CHECKSYM: SymbolAlignmentLog2: 2
+; CHECKSYM: SymbolType: XTY_SD (0x1)
+; CHECKSYM: StorageMappingClass: XMC_RO (0x1)
+; CHECKSYM: StabInfoIndex: 0x0
+; CHECKSYM: StabSectNum: 0x0
+; CHECKSYM: }
+; CHECKSYM: }
+; CHECKSYM: Symbol {
+; CHECKSYM: Name: ivar
+; CHECKSYM: Value (RelocatableAddress): 0x48
+; CHECKSYM: Section: .data
+; CHECKSYM: Type: 0x0
+; CHECKSYM: StorageClass: C_EXT (0x2)
+; CHECKSYM: NumberOfAuxEntries: 1
+; CHECKSYM: CSECT Auxiliary Entry {
+; CHECKSYM: SectionLen: 4
+; CHECKSYM: ParameterHashIndex: 0x0
+; CHECKSYM: TypeChkSectNum: 0x0
+; CHECKSYM: SymbolAlignmentLog2: 2
+; CHECKSYM: SymbolType: XTY_SD (0x1)
+; CHECKSYM: StorageMappingClass: XMC_RW (0x5)
+; CHECKSYM: StabInfoIndex: 0x0
+; CHECKSYM: StabSectNum: 0x0
+; CHECKSYM: }
+; CHECKSYM: }
+; CHECKSYM: Symbol {
+; CHECKSYM: Name: p
+; CHECKSYM: Value (RelocatableAddress): 0x4C
+; CHECKSYM: Section: .data
+; CHECKSYM: Type: 0x0
+; CHECKSYM: StorageClass: C_EXT (0x2)
+; CHECKSYM: NumberOfAuxEntries: 1
+; CHECKSYM: CSECT Auxiliary Entry {
+; CHECKSYM: SectionLen: 4
+; CHECKSYM: ParameterHashIndex: 0x0
+; CHECKSYM: TypeChkSectNum: 0x0
+; CHECKSYM: SymbolAlignmentLog2: 2
+; CHECKSYM: SymbolType: XTY_SD (0x1)
+; CHECKSYM: StorageMappingClass: XMC_RW (0x5)
+; CHECKSYM: StabInfoIndex: 0x0
+; CHECKSYM: StabSectNum: 0x0
+; CHECKSYM: }
+; CHECKSYM: }
+; CHECKSYM: Symbol {
+; CHECKSYM: Name: TOC
+; CHECKSYM: Value (RelocatableAddress): 0x68
+; CHECKSYM: Section: .data
+; CHECKSYM: Type: 0x0
+; CHECKSYM: StorageClass: C_HIDEXT (0x6B)
+; CHECKSYM: NumberOfAuxEntries: 1
+; CHECKSYM: CSECT Auxiliary Entry {
+; CHECKSYM: SectionLen: 0
+; CHECKSYM: ParameterHashIndex: 0x0
+; CHECKSYM: TypeChkSectNum: 0x0
+; CHECKSYM: SymbolAlignmentLog2: 2
+; CHECKSYM: SymbolType: XTY_SD (0x1)
+; CHECKSYM: StorageMappingClass: XMC_TC0 (0xF)
+; CHECKSYM: StabInfoIndex: 0x0
+; CHECKSYM: StabSectNum: 0x0
+; CHECKSYM: }
+; CHECKSYM: }
+; CHECKSYM: Symbol {
+; CHECKSYM: Name: p
+; CHECKSYM: Value (RelocatableAddress): 0x68
+; CHECKSYM: Section: .data
+; CHECKSYM: Type: 0x0
+; CHECKSYM: StorageClass: C_HIDEXT (0x6B)
+; CHECKSYM: NumberOfAuxEntries: 1
+; CHECKSYM: CSECT Auxiliary Entry {
+; CHECKSYM: SectionLen: 4
+; CHECKSYM: ParameterHashIndex: 0x0
+; CHECKSYM: TypeChkSectNum: 0x0
+; CHECKSYM: SymbolAlignmentLog2: 2
+; CHECKSYM: SymbolType: XTY_SD (0x1)
+; CHECKSYM: StorageMappingClass: XMC_TC (0x3)
+; CHECKSYM: StabInfoIndex: 0x0
+; CHECKSYM: StabSectNum: 0x0
+; CHECKSYM: }
+; CHECKSYM: }
+; CHECKSYM: Symbol {
+; CHECKSYM: Name: ivar
+; CHECKSYM: Value (RelocatableAddress): 0x6C
+; CHECKSYM: Section: .data
+; CHECKSYM: Type: 0x0
+; CHECKSYM: StorageClass: C_HIDEXT (0x6B)
+; CHECKSYM: NumberOfAuxEntries: 1
+; CHECKSYM: CSECT Auxiliary Entry {
+; CHECKSYM: SectionLen: 4
+; CHECKSYM: ParameterHashIndex: 0x0
+; CHECKSYM: TypeChkSectNum: 0x0
+; CHECKSYM: SymbolAlignmentLog2: 2
+; CHECKSYM: SymbolType: XTY_SD (0x1)
+; CHECKSYM: StorageMappingClass: XMC_TC (0x3)
+; CHECKSYM: StabInfoIndex: 0x0
+; CHECKSYM: StabSectNum: 0x0
+; CHECKSYM: }
+; CHECKSYM: }
+; CHECKSYM: Symbol {
+; CHECKSYM: Name: a
+; CHECKSYM: Value (RelocatableAddress): 0x70
+; CHECKSYM: Section: .data
+; CHECKSYM: Type: 0x0
+; CHECKSYM: StorageClass: C_HIDEXT (0x6B)
+; CHECKSYM: NumberOfAuxEntries: 1
+; CHECKSYM: CSECT Auxiliary Entry {
+; CHECKSYM: SectionLen: 4
+; CHECKSYM: ParameterHashIndex: 0x0
+; CHECKSYM: TypeChkSectNum: 0x0
+; CHECKSYM: SymbolAlignmentLog2: 2
+; CHECKSYM: SymbolType: XTY_SD (0x1)
+; CHECKSYM: StorageMappingClass: XMC_TC (0x3)
+; CHECKSYM: StabInfoIndex: 0x0
+; CHECKSYM: StabSectNum: 0x0
+; CHECKSYM: }
+; CHECKSYM: }
+; CHECKSYM: Symbol {
+; CHECKSYM: Name: f
+; CHECKSYM: Value (RelocatableAddress): 0x74
+; CHECKSYM: Section: .data
+; CHECKSYM: Type: 0x0
+; CHECKSYM: StorageClass: C_HIDEXT (0x6B)
+; CHECKSYM: NumberOfAuxEntries: 1
+; CHECKSYM: CSECT Auxiliary Entry {
+; CHECKSYM: SectionLen: 4
+; CHECKSYM: ParameterHashIndex: 0x0
+; CHECKSYM: TypeChkSectNum: 0x0
+; CHECKSYM: SymbolAlignmentLog2: 2
+; CHECKSYM: SymbolType: XTY_SD (0x1)
+; CHECKSYM: StorageMappingClass: XMC_TC (0x3)
+; CHECKSYM: StabInfoIndex: 0x0
+; CHECKSYM: StabSectNum: 0x0
+; CHECKSYM: }
+; CHECKSYM: }
+; CHECKSYM: Symbol {
+; CHECKSYM: Name: a
+; CHECKSYM: Value (RelocatableAddress): 0x78
+; CHECKSYM: Section: .bss
+; CHECKSYM: Type: 0x0
+; CHECKSYM: StorageClass: C_EXT (0x2)
+; CHECKSYM: NumberOfAuxEntries: 1
+; CHECKSYM: CSECT Auxiliary Entry {
+; CHECKSYM: SectionLen: 4
+; CHECKSYM: ParameterHashIndex: 0x0
+; CHECKSYM: TypeChkSectNum: 0x0
+; CHECKSYM: SymbolAlignmentLog2: 2
+; CHECKSYM: SymbolType: XTY_CM (0x3)
+; CHECKSYM: StorageMappingClass: XMC_RW (0x5)
+; CHECKSYM: StabInfoIndex: 0x0
+; CHECKSYM: StabSectNum: 0x0
+; CHECKSYM: }
+; CHECKSYM: }
+; CHECKSYM: Symbol {
+; CHECKSYM: Name: f
+; CHECKSYM: Value (RelocatableAddress): 0x7C
+; CHECKSYM: Section: .bss
+; CHECKSYM: Type: 0x0
+; CHECKSYM: StorageClass: C_EXT (0x2)
+; CHECKSYM: NumberOfAuxEntries: 1
+; CHECKSYM: CSECT Auxiliary Entry {
+; CHECKSYM: SectionLen: 4
+; CHECKSYM: ParameterHashIndex: 0x0
+; CHECKSYM: TypeChkSectNum: 0x0
+; CHECKSYM: SymbolAlignmentLog2: 2
+; CHECKSYM: SymbolType: XTY_CM (0x3)
+; CHECKSYM: StorageMappingClass: XMC_RW (0x5)
+; CHECKSYM: StabInfoIndex: 0x0
+; CHECKSYM: StabSectNum: 0x0
+; CHECKSYM: }
+; CHECKSYM: }
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