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-rw-r--r--client/asmjit/core/func.cpp143
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+// AsmJit - Machine code generation for C++
+//
+// * Official AsmJit Home Page: https://asmjit.com
+// * Official Github Repository: https://github.com/asmjit/asmjit
+//
+// Copyright (c) 2008-2020 The AsmJit Authors
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+// claim that you wrote the original software. If you use this software
+// in a product, an acknowledgment in the product documentation would be
+// appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+// misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+#include "../core/api-build_p.h"
+#include "../core/arch.h"
+#include "../core/func.h"
+#include "../core/type.h"
+
+#ifdef ASMJIT_BUILD_X86
+ #include "../x86/x86internal_p.h"
+ #include "../x86/x86operand.h"
+#endif
+
+#ifdef ASMJIT_BUILD_ARM
+ #include "../arm/arminternal_p.h"
+ #include "../arm/armoperand.h"
+#endif
+
+ASMJIT_BEGIN_NAMESPACE
+
+// ============================================================================
+// [asmjit::FuncDetail - Init / Reset]
+// ============================================================================
+
+ASMJIT_FAVOR_SIZE Error FuncDetail::init(const FuncSignature& signature, const Environment& environment) noexcept {
+ uint32_t ccId = signature.callConv();
+ uint32_t argCount = signature.argCount();
+
+ if (ASMJIT_UNLIKELY(argCount > Globals::kMaxFuncArgs))
+ return DebugUtils::errored(kErrorInvalidArgument);
+
+ CallConv& cc = _callConv;
+ ASMJIT_PROPAGATE(cc.init(ccId, environment));
+
+ uint32_t registerSize = Environment::registerSizeFromArch(cc.arch());
+ uint32_t deabstractDelta = Type::deabstractDeltaOfSize(registerSize);
+
+ const uint8_t* args = signature.args();
+ for (uint32_t i = 0; i < argCount; i++) {
+ FuncValue& arg = _args[i];
+ arg.initTypeId(Type::deabstract(args[i], deabstractDelta));
+ }
+ _argCount = uint8_t(argCount);
+ _vaIndex = uint8_t(signature.vaIndex());
+
+ uint32_t ret = signature.ret();
+ if (ret != Type::kIdVoid) {
+ _rets[0].initTypeId(Type::deabstract(ret, deabstractDelta));
+ _retCount = 1;
+ }
+
+#ifdef ASMJIT_BUILD_X86
+ if (environment.isFamilyX86())
+ return x86::X86Internal::initFuncDetail(*this, signature, registerSize);
+#endif
+
+#ifdef ASMJIT_BUILD_ARM
+ if (environment.isFamilyARM())
+ return arm::ArmInternal::initFuncDetail(*this, signature, registerSize);
+#endif
+
+ // We should never bubble here as if `cc.init()` succeeded then there has to
+ // be an implementation for the current architecture. However, stay safe.
+ return DebugUtils::errored(kErrorInvalidArgument);
+}
+
+// ============================================================================
+// [asmjit::FuncFrame - Init / Reset / Finalize]
+// ============================================================================
+
+ASMJIT_FAVOR_SIZE Error FuncFrame::init(const FuncDetail& func) noexcept {
+#ifdef ASMJIT_BUILD_X86
+ if (Environment::isFamilyX86(func.callConv().arch()))
+ return x86::X86Internal::initFuncFrame(*this, func);
+#endif
+
+#ifdef ASMJIT_BUILD_ARM
+ if (Environment::isFamilyARM(func.callConv().arch()))
+ return arm::ArmInternal::initFuncFrame(*this, func);
+#endif
+
+ return DebugUtils::errored(kErrorInvalidArgument);
+}
+
+ASMJIT_FAVOR_SIZE Error FuncFrame::finalize() noexcept {
+#ifdef ASMJIT_BUILD_X86
+ if (Environment::isFamilyX86(arch()))
+ return x86::X86Internal::finalizeFuncFrame(*this);
+#endif
+
+#ifdef ASMJIT_BUILD_ARM
+ if (Environment::isFamilyARM(arch()))
+ return arm::ArmInternal::finalizeFuncFrame(*this);
+#endif
+
+ return DebugUtils::errored(kErrorInvalidArgument);
+}
+
+// ============================================================================
+// [asmjit::FuncArgsAssignment]
+// ============================================================================
+
+ASMJIT_FAVOR_SIZE Error FuncArgsAssignment::updateFuncFrame(FuncFrame& frame) const noexcept {
+ uint32_t arch = frame.arch();
+ const FuncDetail* func = funcDetail();
+
+ if (!func)
+ return DebugUtils::errored(kErrorInvalidState);
+
+#ifdef ASMJIT_BUILD_X86
+ if (Environment::isFamilyX86(arch))
+ return x86::X86Internal::argsToFuncFrame(*this, frame);
+#endif
+
+#ifdef ASMJIT_BUILD_ARM
+ if (Environment::isFamilyARM(arch))
+ return arm::ArmInternal::argsToFuncFrame(*this, frame);
+#endif
+
+ return DebugUtils::errored(kErrorInvalidArch);
+}
+
+ASMJIT_END_NAMESPACE