mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
Edit requests from Sabre.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26018 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Laskey
parent
054e2a758b
commit
c2f0c8def7
@ -11,7 +11,7 @@
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// neutral form that can be used by different debugging schemes.
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//
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// The organization of information is primarily clustered around the source
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// compile units. The main exception is source line coorespondence where
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// compile units. The main exception is source line correspondence where
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// inlining may interleave code from various compile units.
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//
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// The following information can be retrieved from the MachineDebugInfo.
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@ -23,7 +23,7 @@
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// -- Source line coorespondence - A vector of file ID, line#, column# triples.
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// A DEBUG_LOCATION instruction is generated by the DAG Legalizer
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// corresponding to each entry in the source line list. This allows a debug
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// emitter to generate labels referenced by degug information tables.
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// emitter to generate labels referenced by debug information tables.
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//
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//===----------------------------------------------------------------------===//
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@ -50,9 +50,12 @@ class StructType;
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//===----------------------------------------------------------------------===//
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// Debug info constants.
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// Invalid result indicator.
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#define DIINVALID (~0U)
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enum {
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LLVMDebugVersion = 1, // Current version of debug information.
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DIInvalid = ~0U, // Invalid result indicator.
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// DebugInfoDesc type identifying tags.
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// FIXME - Change over with gcc4.
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@ -68,15 +71,15 @@ enum {
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};
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//===----------------------------------------------------------------------===//
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/// DIApplyManager - Subclasses of this class apply steps to each of the fields
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/// in the supplied DebugInfoDesc.
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class DIApplyManager {
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/// DIVisitor - Subclasses of this class apply steps to each of the fields in
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/// the supplied DebugInfoDesc.
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class DIVisitor {
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public:
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DIApplyManager() {}
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virtual ~DIApplyManager() {}
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DIVisitor() {}
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virtual ~DIVisitor() {}
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/// ApplyToFields - Target the manager to each field of the debug information
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/// ApplyToFields - Target the visitor to each field of the debug information
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/// descriptor.
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void ApplyToFields(DebugInfoDesc *DD);
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@ -109,8 +112,8 @@ public:
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unsigned getTag() const { return Tag; }
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/// TagFromGlobal - Returns the Tag number from a debug info descriptor
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/// GlobalVariable.
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static unsigned TagFromGlobal(GlobalVariable *GV, bool Checking = false);
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/// GlobalVariable. Return DIIValid if operand is not an unsigned int.
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static unsigned TagFromGlobal(GlobalVariable *GV);
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/// DescFactory - Create an instance of debug info descriptor based on Tag.
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/// Return NULL if not a recognized Tag.
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@ -125,9 +128,9 @@ public:
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//===--------------------------------------------------------------------===//
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// Subclasses should supply the following virtual methods.
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/// ApplyToFields - Target the apply manager to the fields of the descriptor.
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/// ApplyToFields - Target the vistor to the fields of the descriptor.
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///
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virtual void ApplyToFields(DIApplyManager *Mgr) = 0;
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virtual void ApplyToFields(DIVisitor *Visitor) = 0;
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/// TypeString - Return a string used to compose globalnames and labels.
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///
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@ -181,13 +184,12 @@ public:
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}
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/// DebugVersionFromGlobal - Returns the version number from a compile unit
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/// GlobalVariable.
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static unsigned DebugVersionFromGlobal(GlobalVariable *GV,
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bool Checking = false);
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/// GlobalVariable. Return DIIValid if operand is not an unsigned int.
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static unsigned DebugVersionFromGlobal(GlobalVariable *GV);
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/// ApplyToFields - Target the apply manager to the fields of the
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/// CompileUnitDesc.
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virtual void ApplyToFields(DIApplyManager *Mgr);
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/// ApplyToFields - Target the visitor to the fields of the CompileUnitDesc.
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///
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virtual void ApplyToFields(DIVisitor *Visitor);
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/// TypeString - Return a string used to compose globalnames and labels.
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///
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@ -242,9 +244,9 @@ public:
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return D->getTag() == DI_TAG_global_variable;
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}
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/// ApplyToFields - Target the apply manager to the fields of the
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/// ApplyToFields - Target the visitor to the fields of the
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/// GlobalVariableDesc.
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virtual void ApplyToFields(DIApplyManager *Mgr);
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virtual void ApplyToFields(DIVisitor *Visitor);
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/// TypeString - Return a string used to compose globalnames and labels.
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///
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@ -295,9 +297,9 @@ public:
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return D->getTag() == DI_TAG_subprogram;
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}
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/// ApplyToFields - Target the apply manager to the fields of the
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/// SubprogramDesc.
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virtual void ApplyToFields(DIApplyManager *Mgr);
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/// ApplyToFields - Target the visitor to the fields of the SubprogramDesc.
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///
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virtual void ApplyToFields(DIVisitor *Visitor);
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/// TypeString - Return a string used to compose globalnames and labels.
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///
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@ -453,7 +455,6 @@ public:
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///
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class MachineDebugInfo : public ImmutablePass {
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private:
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// Debug indforma
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// Use the same serializer/deserializer/verifier for the module.
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DISerializer SR;
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DIDeserializer DR;
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@ -125,9 +125,9 @@ static bool isStringValue(Value *V) {
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return false;
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}
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/// getGlobalValue - Return either a direct or cast Global value.
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/// getGlobalVariable - Return either a direct or cast Global value.
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///
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static GlobalVariable *getGlobalValue(Value *V) {
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static GlobalVariable *getGlobalVariable(Value *V) {
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if (GlobalVariable *GV = dyn_cast<GlobalVariable>(V)) {
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return GV;
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} else if (ConstantExpr *CE = dyn_cast<ConstantExpr>(V)) {
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@ -138,9 +138,9 @@ static GlobalVariable *getGlobalValue(Value *V) {
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return NULL;
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}
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/// isGlobalValue - Return true if the given value can be coerced to a
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/// isGlobalVariable - Return true if the given value can be coerced to a
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/// GlobalVariable.
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static bool isGlobalValue(Value *V) {
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static bool isGlobalVariable(Value *V) {
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if (isa<GlobalVariable>(V) || isa<ConstantPointerNull>(V)) {
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return true;
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} else if (ConstantExpr *CE = dyn_cast<ConstantExpr>(V)) {
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@ -151,33 +151,31 @@ static bool isGlobalValue(Value *V) {
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return false;
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}
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/// isUIntOperand - Return true if the ith operand is an unsigned integer.
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/// getUIntOperand - Return ith operand if it is an unsigned integer.
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///
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static bool isUIntOperand(GlobalVariable *GV, unsigned i) {
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static ConstantUInt *getUIntOperand(GlobalVariable *GV, unsigned i) {
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// Make sure the GlobalVariable has an initializer.
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if (!GV->hasInitializer()) return false;
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if (!GV->hasInitializer()) return NULL;
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// Get the initializer constant.
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ConstantStruct *CI = dyn_cast<ConstantStruct>(GV->getInitializer());
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if (!CI) return false;
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if (!CI) return NULL;
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// Check if there is at least i + 1 operands.
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unsigned N = CI->getNumOperands();
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if (i >= N) return false;
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if (i >= N) return NULL;
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// Check constant.
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return isa<ConstantUInt>(CI->getOperand(i));
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return dyn_cast<ConstantUInt>(CI->getOperand(i));
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}
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//===----------------------------------------------------------------------===//
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/// TagFromGlobal - Returns the Tag number from a debug info descriptor
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/// GlobalVariable.
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unsigned DebugInfoDesc::TagFromGlobal(GlobalVariable *GV, bool Checking) {
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if (Checking && !isUIntOperand(GV, 0)) return DIInvalid;
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ConstantStruct *CI = cast<ConstantStruct>(GV->getInitializer());
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Constant *C = CI->getOperand(0);
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return cast<ConstantUInt>(C)->getValue();
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unsigned DebugInfoDesc::TagFromGlobal(GlobalVariable *GV) {
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ConstantUInt *C = getUIntOperand(GV, 0);
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return C ? C->getValue() : DIINVALID;
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}
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/// DescFactory - Create an instance of debug info descriptor based on Tag.
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@ -194,21 +192,21 @@ DebugInfoDesc *DebugInfoDesc::DescFactory(unsigned Tag) {
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//===----------------------------------------------------------------------===//
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/// ApplyToFields - Target the manager to each field of the debug information
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/// ApplyToFields - Target the visitor to each field of the debug information
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/// descriptor.
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void DIApplyManager::ApplyToFields(DebugInfoDesc *DD) {
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void DIVisitor::ApplyToFields(DebugInfoDesc *DD) {
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DD->ApplyToFields(this);
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}
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//===----------------------------------------------------------------------===//
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/// DICountAppMgr - This DIApplyManager counts all the fields in the supplied
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/// debug the supplied DebugInfoDesc.
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class DICountAppMgr : public DIApplyManager {
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/// DICountVisitor - This DIVisitor counts all the fields in the supplied debug
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/// the supplied DebugInfoDesc.
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class DICountVisitor : public DIVisitor {
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private:
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unsigned Count; // Running count of fields.
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public:
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DICountAppMgr() : DIApplyManager(), Count(1) {}
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DICountVisitor() : DIVisitor(), Count(1) {}
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// Accessors.
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unsigned getCount() const { return Count; }
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@ -224,17 +222,17 @@ public:
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};
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//===----------------------------------------------------------------------===//
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/// DIDeserializeAppMgr - This DIApplyManager deserializes all the fields in
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/// the supplied DebugInfoDesc.
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class DIDeserializeAppMgr : public DIApplyManager {
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/// DIDeserializeVisitor - This DIVisitor deserializes all the fields in the
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/// supplied DebugInfoDesc.
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class DIDeserializeVisitor : public DIVisitor {
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private:
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DIDeserializer &DR; // Active deserializer.
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unsigned I; // Current operand index.
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ConstantStruct *CI; // GlobalVariable constant initializer.
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public:
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DIDeserializeAppMgr(DIDeserializer &D, GlobalVariable *GV)
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: DIApplyManager()
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DIDeserializeVisitor(DIDeserializer &D, GlobalVariable *GV)
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: DIVisitor()
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, DR(D)
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, I(1)
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, CI(cast<ConstantStruct>(GV->getInitializer()))
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@ -264,21 +262,21 @@ public:
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}
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virtual void Apply(GlobalVariable *&Field) {
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Constant *C = CI->getOperand(I++);
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Field = getGlobalValue(C);
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Field = getGlobalVariable(C);
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}
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};
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//===----------------------------------------------------------------------===//
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/// DISerializeAppMgr - This DIApplyManager serializes all the fields in
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/// DISerializeVisitor - This DIVisitor serializes all the fields in
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/// the supplied DebugInfoDesc.
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class DISerializeAppMgr : public DIApplyManager {
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class DISerializeVisitor : public DIVisitor {
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private:
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DISerializer &SR; // Active serializer.
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std::vector<Constant*> &Elements; // Element accumulator.
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public:
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DISerializeAppMgr(DISerializer &S, std::vector<Constant*> &E)
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: DIApplyManager()
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DISerializeVisitor(DISerializer &S, std::vector<Constant*> &E)
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: DIVisitor()
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, SR(S)
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, Elements(E)
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{}
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@ -321,16 +319,16 @@ public:
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};
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//===----------------------------------------------------------------------===//
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/// DIGetTypesAppMgr - This DIApplyManager gathers all the field types in
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/// DIGetTypesVisitor - This DIVisitor gathers all the field types in
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/// the supplied DebugInfoDesc.
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class DIGetTypesAppMgr : public DIApplyManager {
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class DIGetTypesVisitor : public DIVisitor {
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private:
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DISerializer &SR; // Active serializer.
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std::vector<const Type*> &Fields; // Type accumulator.
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public:
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DIGetTypesAppMgr(DISerializer &S, std::vector<const Type*> &F)
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: DIApplyManager()
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DIGetTypesVisitor(DISerializer &S, std::vector<const Type*> &F)
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: DIVisitor()
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, SR(S)
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, Fields(F)
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{}
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@ -361,9 +359,9 @@ public:
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};
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//===----------------------------------------------------------------------===//
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/// DIVerifyAppMgr - This DIApplyManager verifies all the field types against
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/// DIVerifyVisitor - This DIVisitor verifies all the field types against
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/// a constant initializer.
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class DIVerifyAppMgr : public DIApplyManager {
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class DIVerifyVisitor : public DIVisitor {
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private:
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DIVerifier &VR; // Active verifier.
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bool IsValid; // Validity status.
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@ -371,8 +369,8 @@ private:
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ConstantStruct *CI; // GlobalVariable constant initializer.
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public:
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DIVerifyAppMgr(DIVerifier &V, GlobalVariable *GV)
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: DIApplyManager()
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DIVerifyVisitor(DIVerifier &V, GlobalVariable *GV)
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: DIVisitor()
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, VR(V)
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, IsValid(true)
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, I(1)
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@ -404,11 +402,11 @@ public:
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virtual void Apply(DebugInfoDesc *&Field) {
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// FIXME - Prepare the correct descriptor.
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Constant *C = CI->getOperand(I++);
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IsValid = IsValid && isGlobalValue(C);
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IsValid = IsValid && isGlobalVariable(C);
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}
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virtual void Apply(GlobalVariable *&Field) {
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Constant *C = CI->getOperand(I++);
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IsValid = IsValid && isGlobalValue(C);
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IsValid = IsValid && isGlobalVariable(C);
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}
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};
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@ -416,23 +414,20 @@ public:
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/// DebugVersionFromGlobal - Returns the version number from a compile unit
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/// GlobalVariable.
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unsigned CompileUnitDesc::DebugVersionFromGlobal(GlobalVariable *GV,
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bool Checking) {
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if (Checking && !isUIntOperand(GV, 1)) return DIInvalid;
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ConstantStruct *CI = cast<ConstantStruct>(GV->getInitializer());
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Constant *C = CI->getOperand(1);
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return cast<ConstantUInt>(C)->getValue();
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unsigned CompileUnitDesc::DebugVersionFromGlobal(GlobalVariable *GV) {
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ConstantUInt *C = getUIntOperand(GV, 1);
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return C ? C->getValue() : DIINVALID;
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}
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/// ApplyToFields - Target the apply manager to the fields of the
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/// CompileUnitDesc.
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void CompileUnitDesc::ApplyToFields(DIApplyManager *Mgr) {
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Mgr->Apply(DebugVersion);
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Mgr->Apply(Language);
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Mgr->Apply(FileName);
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Mgr->Apply(Directory);
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Mgr->Apply(Producer);
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Mgr->Apply(TransUnit);
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/// ApplyToFields - Target the visitor to the fields of the CompileUnitDesc.
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///
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void CompileUnitDesc::ApplyToFields(DIVisitor *Visitor) {
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Visitor->Apply(DebugVersion);
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Visitor->Apply(Language);
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Visitor->Apply(FileName);
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Visitor->Apply(Directory);
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Visitor->Apply(Producer);
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Visitor->Apply(TransUnit);
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}
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/// TypeString - Return a string used to compose globalnames and labels.
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@ -454,16 +449,16 @@ void CompileUnitDesc::dump() {
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//===----------------------------------------------------------------------===//
|
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/// ApplyToFields - Target the apply manager to the fields of the
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/// GlobalVariableDesc.
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void GlobalVariableDesc::ApplyToFields(DIApplyManager *Mgr) {
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Mgr->Apply(Context);
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Mgr->Apply(Name);
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Mgr->Apply(TransUnit);
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Mgr->Apply(TyDesc);
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Mgr->Apply(IsStatic);
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Mgr->Apply(IsDefinition);
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Mgr->Apply(Global);
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/// ApplyToFields - Target the visitor to the fields of the GlobalVariableDesc.
|
||||
///
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||||
void GlobalVariableDesc::ApplyToFields(DIVisitor *Visitor) {
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||||
Visitor->Apply(Context);
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Visitor->Apply(Name);
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Visitor->Apply(TransUnit);
|
||||
Visitor->Apply(TyDesc);
|
||||
Visitor->Apply(IsStatic);
|
||||
Visitor->Apply(IsDefinition);
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||||
Visitor->Apply(Global);
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||||
}
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||||
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||||
/// TypeString - Return a string used to compose globalnames and labels.
|
||||
@ -486,19 +481,19 @@ void GlobalVariableDesc::dump() {
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||||
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||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
/// ApplyToFields - Target the apply manager to the fields of the
|
||||
/// ApplyToFields - Target the visitor to the fields of the
|
||||
/// SubprogramDesc.
|
||||
void SubprogramDesc::ApplyToFields(DIApplyManager *Mgr) {
|
||||
Mgr->Apply(Context);
|
||||
Mgr->Apply(Name);
|
||||
Mgr->Apply(TransUnit);
|
||||
Mgr->Apply(TyDesc);
|
||||
Mgr->Apply(IsStatic);
|
||||
Mgr->Apply(IsDefinition);
|
||||
void SubprogramDesc::ApplyToFields(DIVisitor *Visitor) {
|
||||
Visitor->Apply(Context);
|
||||
Visitor->Apply(Name);
|
||||
Visitor->Apply(TransUnit);
|
||||
Visitor->Apply(TyDesc);
|
||||
Visitor->Apply(IsStatic);
|
||||
Visitor->Apply(IsDefinition);
|
||||
|
||||
// FIXME - Temp variable until restructured.
|
||||
GlobalVariable *Tmp;
|
||||
Mgr->Apply(Tmp);
|
||||
Visitor->Apply(Tmp);
|
||||
}
|
||||
|
||||
/// TypeString - Return a string used to compose globalnames and labels.
|
||||
@ -541,7 +536,7 @@ DebugInfoDesc *DIDeserializer::Deserialize(GlobalVariable *GV) {
|
||||
assert(Slot && "Unknown Tag");
|
||||
|
||||
// Deserialize the fields.
|
||||
DIDeserializeAppMgr DRAM(*this, GV);
|
||||
DIDeserializeVisitor DRAM(*this, GV);
|
||||
DRAM.ApplyToFields(Slot);
|
||||
|
||||
return Slot;
|
||||
@ -592,7 +587,7 @@ const StructType *DISerializer::getTagType(DebugInfoDesc *DD) {
|
||||
// Add tag field.
|
||||
Fields.push_back(Type::UIntTy);
|
||||
// Get types of remaining fields.
|
||||
DIGetTypesAppMgr GTAM(*this, Fields);
|
||||
DIGetTypesVisitor GTAM(*this, Fields);
|
||||
GTAM.ApplyToFields(DD);
|
||||
|
||||
// Construct structured type.
|
||||
@ -655,7 +650,7 @@ GlobalVariable *DISerializer::Serialize(DebugInfoDesc *DD) {
|
||||
// Add Tag value.
|
||||
Elements.push_back(ConstantUInt::get(Type::UIntTy, Tag));
|
||||
// Add remaining fields.
|
||||
DISerializeAppMgr SRAM(*this, Elements);
|
||||
DISerializeVisitor SRAM(*this, Elements);
|
||||
SRAM.ApplyToFields(DD);
|
||||
|
||||
// Set the globals initializer.
|
||||
@ -688,13 +683,13 @@ bool DIVerifier::Verify(GlobalVariable *GV) {
|
||||
if (markVisited(GV)) return true;
|
||||
|
||||
// Get the Tag
|
||||
unsigned Tag = DebugInfoDesc::TagFromGlobal(GV, true);
|
||||
if (Tag == DIInvalid) return false;
|
||||
unsigned Tag = DebugInfoDesc::TagFromGlobal(GV);
|
||||
if (Tag == DIINVALID) return false;
|
||||
|
||||
// If a compile unit we need the debug version.
|
||||
if (Tag == DI_TAG_compile_unit) {
|
||||
DebugVersion = CompileUnitDesc::DebugVersionFromGlobal(GV, true);
|
||||
if (DebugVersion == DIInvalid) return false;
|
||||
DebugVersion = CompileUnitDesc::DebugVersionFromGlobal(GV);
|
||||
if (DebugVersion == DIINVALID) return false;
|
||||
}
|
||||
|
||||
// Construct an empty DebugInfoDesc.
|
||||
@ -711,7 +706,7 @@ bool DIVerifier::Verify(GlobalVariable *GV) {
|
||||
unsigned &Slot = Counts[Tag];
|
||||
if (!Slot) {
|
||||
// Check the operand count to the field count
|
||||
DICountAppMgr CTAM;
|
||||
DICountVisitor CTAM;
|
||||
CTAM.ApplyToFields(DD);
|
||||
Slot = CTAM.getCount();
|
||||
}
|
||||
@ -723,7 +718,7 @@ bool DIVerifier::Verify(GlobalVariable *GV) {
|
||||
}
|
||||
|
||||
// Check each field for valid type.
|
||||
DIVerifyAppMgr VRAM(*this, GV);
|
||||
DIVerifyVisitor VRAM(*this, GV);
|
||||
VRAM.ApplyToFields(DD);
|
||||
|
||||
// Release empty DebugInfoDesc.
|
||||
@ -810,7 +805,7 @@ MachineDebugInfo::getGlobalVariables(Module &M) {
|
||||
// Scan all globals.
|
||||
for (unsigned i = 0, N = Globals.size(); i < N; ++i) {
|
||||
GlobalVariable *GV = Globals[i];
|
||||
if (DebugInfoDesc::TagFromGlobal(GV, true) == DI_TAG_global_variable) {
|
||||
if (DebugInfoDesc::TagFromGlobal(GV) == DI_TAG_global_variable) {
|
||||
GlobalVariableDesc *GVD =
|
||||
static_cast<GlobalVariableDesc *>(DR.Deserialize(GV));
|
||||
GlobalVariables.push_back(GVD);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user