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llvm-readobj: Add test for COFF auxiliary symbols as used by C++/CLI

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204023 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nico Rieck 2014-03-17 01:46:28 +00:00
parent 960c80d8a9
commit 23653b1265
4 changed files with 47 additions and 1 deletions
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2
test/tools/llvm-readobj/Inputs/cxx-cli-aux.cpp Normal file
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@ -0,0 +1,2 @@
// cl.exe -clr -c t.cpp -Fo"cxx-cli-aux.obj.coff-i386"
__declspec(appdomain) int PerAppDomain = 0;

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test/tools/llvm-readobj/Inputs/cxx-cli-aux.obj.coff-i386 Normal file
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42
test/tools/llvm-readobj/cxx-cli-aux.test Normal file
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@ -0,0 +1,42 @@
Ensure that we can read the COFF auxiliary symbols 'section definition' and
'CLR token definition' as used in C++/CLI object files. Auxiliary section
definitions usually only follow a symbol with static storage class, but
non-const appdomain globals (external ABS) also get one.
RUN: llvm-readobj -t %p/Inputs/cxx-cli-aux.obj.coff-i386 | FileCheck %s
CHECK: Symbols [
CHECK: Symbol {
CHECK: Name: ?PerAppDomain@@$$Q3HA
CHECK-NEXT: Value: 4
CHECK-NEXT: Section: (65535)
CHECK-NEXT: BaseType: Null (0x0)
CHECK-NEXT: ComplexType: Null (0x0)
CHECK-NEXT: StorageClass: External (0x2)
CHECK-NEXT: AuxSymbolCount: 1
CHECK-NEXT: AuxSectionDef {
CHECK-NEXT: Length: 0
CHECK-NEXT: RelocationCount: 0
CHECK-NEXT: LineNumberCount: 0
CHECK-NEXT: Checksum: 0x0
CHECK-NEXT: Number: 0
CHECK-NEXT: Selection: NoDuplicates (0x1)
CHECK-NEXT: Unused: (00 00 00)
CHECK-NEXT: }
CHECK-NEXT: }
CHECK: Symbol {
CHECK: Name: 04000001
CHECK-NEXT: Value: 4
CHECK-NEXT: Section: (65535)
CHECK-NEXT: BaseType: Null (0x0)
CHECK-NEXT: ComplexType: Null (0x0)
CHECK-NEXT: StorageClass: CLRToken (0x6B)
CHECK-NEXT: AuxSymbolCount: 1
CHECK-NEXT: AuxCLRToken {
CHECK-NEXT: AuxType: 1
CHECK-NEXT: Reserved: 0
CHECK-NEXT: SymbolTableIndex: 19
CHECK-NEXT: Unused: (00 00 00 00 00 00 00 00 00 00 00 00)
CHECK-NEXT: }
CHECK-NEXT: }

4
tools/llvm-readobj/COFFDumper.cpp
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@ -1022,9 +1022,11 @@ void COFFDumper::printSymbol(symbol_iterator SymI) {
DictScope AS(W, "AuxFileRecord");
W.printString("FileName", StringRef(Aux->FileName));
// C++/CLI creates external ABS symbols for non-const appdomain globals.
// These are also followed by an auxiliary section definition.
} else if (Symbol->StorageClass == COFF::IMAGE_SYM_CLASS_STATIC ||
(Symbol->StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL &&
Symbol->SectionNumber != COFF::IMAGE_SYM_UNDEFINED)) {
Symbol->SectionNumber == COFF::IMAGE_SYM_ABSOLUTE)) {
const coff_aux_section_definition *Aux;
if (error(getSymbolAuxData(Obj, Symbol + I, Aux)))
break;