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[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown. Updates to runtime. Rebuild!
author lindquist
date Wed, 24 Oct 2007 22:18:06 +0200
parents 28e99b04a132
children a9d29e9f1fed
comparison
equal deleted inserted replaced
54:28e99b04a132 55:0ccfae271c45
644 if (llvmDModule) { 644 if (llvmDModule) {
645 assert(llvmValue != 0); 645 assert(llvmValue != 0);
646 return; 646 return;
647 } 647 }
648 648
649 Type* t = LLVM_DtoDType(type);
650 TypeFunction* f = (TypeFunction*)t;
651
652 bool declareOnly = false;
653 if (TemplateInstance* tinst = parent->isTemplateInstance()) {
654 TemplateDeclaration* tempdecl = tinst->tempdecl;
655 if (tempdecl->llvmInternal == LLVMva_start)
656 {
657 Logger::println("magic va_start found");
658 llvmInternal = LLVMva_start;
659 declareOnly = true;
660 }
661 else if (tempdecl->llvmInternal == LLVMva_arg)
662 {
663 Logger::println("magic va_arg found");
664 llvmInternal = LLVMva_arg;
665 return;
666 }
667 }
668
649 llvm::Function* func = LLVM_DtoDeclareFunction(this); 669 llvm::Function* func = LLVM_DtoDeclareFunction(this);
670
671 if (declareOnly)
672 return;
650 673
651 if (!gIR->structs.empty() && gIR->topstruct().queueFuncs) { 674 if (!gIR->structs.empty() && gIR->topstruct().queueFuncs) {
652 if (!llvmQueued) { 675 if (!llvmQueued) {
653 Logger::println("queueing %s", toChars()); 676 Logger::println("queueing %s", toChars());
654 gIR->topstruct().funcs.push_back(this); 677 gIR->topstruct().funcs.push_back(this);
655 llvmQueued = true; 678 llvmQueued = true;
656 } 679 }
657 return; // we wait with the definition as they might invoke a virtual method and the vtable is not yet complete 680 return; // we wait with the definition as they might invoke a virtual method and the vtable is not yet complete
658 } 681 }
659 682
660 Type* t = LLVM_DtoDType(type);
661 TypeFunction* f = (TypeFunction*)t;
662 assert(f->llvmType); 683 assert(f->llvmType);
663 const llvm::FunctionType* functype = llvm::cast<llvm::FunctionType>(llvmValue->getType()->getContainedType(0)); 684 const llvm::FunctionType* functype = llvm::cast<llvm::FunctionType>(llvmValue->getType()->getContainedType(0));
664 685
665 // only members of the current module maybe be defined 686 // only members of the current module maybe be defined
666 if (getModule() == gIR->dmodule || parent->isTemplateInstance()) 687 if (getModule() == gIR->dmodule || parent->isTemplateInstance())