mirror of
https://github.com/ZDoom/qzdoom.git
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523fd0bf3a
This reverts commit 747b3dfcfe.
# Conflicts:
# libraries/asmjit/asmjit/core/compiler.h
This had to be reverted because it breaks exception handling which is a critical problem.
With the updated code any exception thrown inside code that had a JITed call stack would crash.
186 lines
5.9 KiB
C++
186 lines
5.9 KiB
C++
// [AsmJit]
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// Complete x86/x64 JIT and Remote Assembler for C++.
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//
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// [License]
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// Zlib - See LICENSE.md file in the package.
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// [Export]
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#define ASMJIT_EXPORTS
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// [Dependencies]
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#include "../base/arch.h"
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#include "../base/func.h"
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#if defined(ASMJIT_BUILD_X86)
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#include "../x86/x86internal_p.h"
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#include "../x86/x86operand.h"
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#endif // ASMJIT_BUILD_X86
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#if defined(ASMJIT_BUILD_ARM)
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#include "../arm/arminternal_p.h"
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#include "../arm/armoperand.h"
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#endif // ASMJIT_BUILD_ARM
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// [Api-Begin]
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#include "../asmjit_apibegin.h"
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namespace asmjit {
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// ============================================================================
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// [asmjit::CallConv - Init / Reset]
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// ============================================================================
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ASMJIT_FAVOR_SIZE Error CallConv::init(uint32_t ccId) noexcept {
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reset();
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#if defined(ASMJIT_BUILD_X86)
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if (CallConv::isX86Family(ccId))
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return X86Internal::initCallConv(*this, ccId);
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#endif // ASMJIT_BUILD_X86
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#if defined(ASMJIT_BUILD_ARM)
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if (CallConv::isArmFamily(ccId))
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return ArmInternal::initCallConv(*this, ccId);
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#endif // ASMJIT_BUILD_ARM
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return DebugUtils::errored(kErrorInvalidArgument);
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}
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// ============================================================================
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// [asmjit::FuncDetail - Init / Reset]
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// ============================================================================
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ASMJIT_FAVOR_SIZE Error FuncDetail::init(const FuncSignature& sign) {
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uint32_t ccId = sign.getCallConv();
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CallConv& cc = _callConv;
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uint32_t argCount = sign.getArgCount();
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if (ASMJIT_UNLIKELY(argCount > kFuncArgCount))
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return DebugUtils::errored(kErrorInvalidArgument);
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ASMJIT_PROPAGATE(cc.init(ccId));
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uint32_t gpSize = (cc.getArchType() == ArchInfo::kTypeX86) ? 4 : 8;
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uint32_t deabstractDelta = TypeId::deabstractDeltaOfSize(gpSize);
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const uint8_t* args = sign.getArgs();
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for (uint32_t i = 0; i < argCount; i++) {
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Value& arg = _args[i];
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arg.initTypeId(TypeId::deabstract(args[i], deabstractDelta));
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}
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_argCount = static_cast<uint8_t>(argCount);
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uint32_t ret = sign.getRet();
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if (ret != TypeId::kVoid) {
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_rets[0].initTypeId(TypeId::deabstract(ret, deabstractDelta));
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_retCount = 1;
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}
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#if defined(ASMJIT_BUILD_X86)
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if (CallConv::isX86Family(ccId))
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return X86Internal::initFuncDetail(*this, sign, gpSize);
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#endif // ASMJIT_BUILD_X86
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#if defined(ASMJIT_BUILD_ARM)
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if (CallConv::isArmFamily(ccId))
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return ArmInternal::initFuncDetail(*this, sign, gpSize);
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#endif // ASMJIT_BUILD_ARM
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// We should never bubble here as if `cc.init()` succeeded then there has to
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// be an implementation for the current architecture. However, stay safe.
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return DebugUtils::errored(kErrorInvalidArgument);
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}
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// ============================================================================
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// [asmjit::FuncFrameLayout - Init / Reset]
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// ============================================================================
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ASMJIT_FAVOR_SIZE Error FuncFrameLayout::init(const FuncDetail& func, const FuncFrameInfo& ffi) noexcept {
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uint32_t ccId = func.getCallConv().getId();
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#if defined(ASMJIT_BUILD_X86)
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if (CallConv::isX86Family(ccId))
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return X86Internal::initFrameLayout(*this, func, ffi);
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#endif // ASMJIT_BUILD_X86
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#if defined(ASMJIT_BUILD_ARM)
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if (CallConv::isArmFamily(ccId))
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return ArmInternal::initFrameLayout(*this, func, ffi);
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#endif // ASMJIT_BUILD_ARM
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return DebugUtils::errored(kErrorInvalidArgument);
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}
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// ============================================================================
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// [asmjit::FuncArgsMapper]
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// ============================================================================
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ASMJIT_FAVOR_SIZE Error FuncArgsMapper::updateFrameInfo(FuncFrameInfo& ffi) const noexcept {
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const FuncDetail* func = getFuncDetail();
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if (!func) return DebugUtils::errored(kErrorInvalidState);
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uint32_t ccId = func->getCallConv().getId();
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#if defined(ASMJIT_BUILD_X86)
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if (CallConv::isX86Family(ccId))
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return X86Internal::argsToFrameInfo(*this, ffi);
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#endif // ASMJIT_BUILD_X86
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#if defined(ASMJIT_BUILD_ARM)
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if (CallConv::isArmFamily(ccId))
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return ArmInternal::argsToFrameInfo(*this, ffi);
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#endif // ASMJIT_BUILD_X86
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return DebugUtils::errored(kErrorInvalidArch);
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}
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// ============================================================================
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// [asmjit::FuncUtils]
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// ============================================================================
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ASMJIT_FAVOR_SIZE Error FuncUtils::emitProlog(CodeEmitter* emitter, const FuncFrameLayout& layout) {
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#if defined(ASMJIT_BUILD_X86)
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if (emitter->getArchInfo().isX86Family())
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return X86Internal::emitProlog(static_cast<X86Emitter*>(emitter), layout);
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#endif // ASMJIT_BUILD_X86
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#if defined(ASMJIT_BUILD_ARM)
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if (emitter->getArchInfo().isArmFamily())
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return ArmInternal::emitProlog(static_cast<ArmEmitter*>(emitter), layout);
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#endif // ASMJIT_BUILD_ARM
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return DebugUtils::errored(kErrorInvalidArch);
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}
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ASMJIT_FAVOR_SIZE Error FuncUtils::emitEpilog(CodeEmitter* emitter, const FuncFrameLayout& layout) {
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#if defined(ASMJIT_BUILD_X86)
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if (emitter->getArchInfo().isX86Family())
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return X86Internal::emitEpilog(static_cast<X86Emitter*>(emitter), layout);
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#endif // ASMJIT_BUILD_X86
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#if defined(ASMJIT_BUILD_ARM)
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if (emitter->getArchInfo().isArmFamily())
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return ArmInternal::emitEpilog(static_cast<ArmEmitter*>(emitter), layout);
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#endif // ASMJIT_BUILD_ARM
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return DebugUtils::errored(kErrorInvalidArch);
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}
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ASMJIT_FAVOR_SIZE Error FuncUtils::allocArgs(CodeEmitter* emitter, const FuncFrameLayout& layout, const FuncArgsMapper& args) {
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#if defined(ASMJIT_BUILD_X86)
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if (emitter->getArchInfo().isX86Family())
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return X86Internal::allocArgs(static_cast<X86Emitter*>(emitter), layout, args);
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#endif // ASMJIT_BUILD_X86
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#if defined(ASMJIT_BUILD_ARM)
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if (emitter->getArchInfo().isArmFamily())
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return ArmInternal::allocArgs(static_cast<ArmEmitter*>(emitter), layout, args);
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#endif // ASMJIT_BUILD_ARM
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return DebugUtils::errored(kErrorInvalidArch);
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}
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} // asmjit namespace
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// [Api-End]
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#include "../asmjit_apiend.h"
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