}
static Register RuntimeCallFunctionReg() { return r1; }
static Register RuntimeCallArgCountReg() { return r0; }
- static RegList CCalleeSaveRegisters() {
- return r4.bit() | r5.bit() | r6.bit() | r7.bit() | r8.bit() | r9.bit() |
- r10.bit();
- }
- static RegList CCalleeSaveFPRegisters() {
- return (1 << d8.code()) | (1 << d9.code()) | (1 << d10.code()) |
- (1 << d11.code()) | (1 << d12.code()) | (1 << d13.code()) |
- (1 << d14.code()) | (1 << d15.code());
- }
- static Register CRegisterParameter(int i) {
- static Register register_parameters[] = {r0, r1, r2, r3};
- return register_parameters[i];
- }
- static int CRegisterParametersLength() { return 4; }
- static int CStackBackingStoreLength() { return 0; }
};
}
-CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone,
- const MachineSignature* sig) {
- return LH::GetSimplifiedCDescriptor(zone, sig);
-}
-
-
CallDescriptor* Linkage::GetInterpreterDispatchDescriptor(Zone* zone) {
return LH::GetInterpreterDispatchDescriptor(zone);
}
}
static Register RuntimeCallFunctionReg() { return x1; }
static Register RuntimeCallArgCountReg() { return x0; }
- static RegList CCalleeSaveRegisters() {
- return (1 << x19.code()) | (1 << x20.code()) | (1 << x21.code()) |
- (1 << x22.code()) | (1 << x23.code()) | (1 << x24.code()) |
- (1 << x25.code()) | (1 << x26.code()) | (1 << x27.code()) |
- (1 << x28.code()) | (1 << x29.code()) | (1 << x30.code());
- }
- static RegList CCalleeSaveFPRegisters() {
- return (1 << d8.code()) | (1 << d9.code()) | (1 << d10.code()) |
- (1 << d11.code()) | (1 << d12.code()) | (1 << d13.code()) |
- (1 << d14.code()) | (1 << d15.code());
- }
- static Register CRegisterParameter(int i) {
- static Register register_parameters[] = {x0, x1, x2, x3, x4, x5, x6, x7};
- return register_parameters[i];
- }
- static int CRegisterParametersLength() { return 8; }
- static int CStackBackingStoreLength() { return 0; }
};
}
-CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone,
- const MachineSignature* sig) {
- return LH::GetSimplifiedCDescriptor(zone, sig);
-}
-
-
CallDescriptor* Linkage::GetInterpreterDispatchDescriptor(Zone* zone) {
return LH::GetInterpreterDispatchDescriptor(zone);
}
--- /dev/null
+// Copyright 2015 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "src/assembler.h"
+#include "src/macro-assembler.h"
+
+#include "src/compiler/linkage.h"
+
+#include "src/zone.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+namespace {
+// Platform-specific configuration for C calling convention.
+LinkageLocation regloc(Register reg) {
+ return LinkageLocation(Register::ToAllocationIndex(reg));
+}
+
+
+LinkageLocation stackloc(int i) {
+ DCHECK_LT(i, 0);
+ return LinkageLocation(i);
+}
+
+
+#if V8_TARGET_ARCH_IA32
+// ===========================================================================
+// == ia32 ===================================================================
+// ===========================================================================
+#define RETURN_REGISTER_0 eax
+#define RETURN_REGISTER_1 edx
+#define CALLEE_SAVE_REGISTERS esi.bit() | edi.bit() | ebx.bit()
+
+#elif V8_TARGET_ARCH_X64
+// ===========================================================================
+// == x64 ====================================================================
+// ===========================================================================
+#define RETURN_REGISTER_0 rax
+#define RETURN_REGISTER_1 rdx
+
+#ifdef _WIN64
+// == x64 windows ============================================================
+#define STACK_SHADOW_WORDS 4
+#define PARAM_REGISTERS rcx, rdx, r8, r9
+#define CALLEE_SAVE_REGISTERS \
+ rbx.bit() | rdi.bit() | rsi.bit() | r12.bit() | r13.bit() | r14.bit() | \
+ r15.bit()
+#define CALLEE_SAVE_FP_REGISTERS \
+ (1 << xmm6.code()) | (1 << xmm7.code()) | (1 << xmm8.code()) | \
+ (1 << xmm9.code()) | (1 << xmm10.code()) | (1 << xmm11.code()) | \
+ (1 << xmm12.code()) | (1 << xmm13.code()) | (1 << xmm14.code()) | \
+ (1 << xmm15.code())
+#else
+// == x64 other ==============================================================
+#define PARAM_REGISTERS rdi, rsi, rdx, rcx, r8, r9
+#define CALLEE_SAVE_REGISTERS \
+ rbx.bit() | r12.bit() | r13.bit() | r14.bit() | r15.bit()
+#endif
+
+#elif V8_TARGET_ARCH_X87
+// ===========================================================================
+// == x87 ====================================================================
+// ===========================================================================
+#define RETURN_REGISTER_0 eax
+#define RETURN_REGISTER_1 edx
+#define CALLEE_SAVE_REGISTERS esi.bit() | edi.bit() | ebx.bit()
+
+#elif V8_TARGET_ARCH_ARM
+// ===========================================================================
+// == arm ====================================================================
+// ===========================================================================
+#define PARAM_REGISTERS r0, r1, r2, r3
+#define RETURN_REGISTER_0 r0
+#define RETURN_REGISTER_1 r1
+#define CALLEE_SAVE_REGISTERS \
+ r4.bit() | r5.bit() | r6.bit() | r7.bit() | r8.bit() | r9.bit() | r10.bit()
+#define CALLEE_SAVE_FP_REGISTERS \
+ (1 << d8.code()) | (1 << d9.code()) | (1 << d10.code()) | \
+ (1 << d11.code()) | (1 << d12.code()) | (1 << d13.code()) | \
+ (1 << d14.code()) | (1 << d15.code())
+
+
+#elif V8_TARGET_ARCH_ARM64
+// ===========================================================================
+// == arm64 ====================================================================
+// ===========================================================================
+#define PARAM_REGISTERS x0, x1, x2, x3, x4, x5, x6, x7
+#define RETURN_REGISTER_0 x0
+#define RETURN_REGISTER_1 x1
+#define CALLEE_SAVE_REGISTERS \
+ (1 << x19.code()) | (1 << x20.code()) | (1 << x21.code()) | \
+ (1 << x22.code()) | (1 << x23.code()) | (1 << x24.code()) | \
+ (1 << x25.code()) | (1 << x26.code()) | (1 << x27.code()) | \
+ (1 << x28.code()) | (1 << x29.code()) | (1 << x30.code())
+
+
+#define CALLEE_SAVE_FP_REGISTERS \
+ (1 << d8.code()) | (1 << d9.code()) | (1 << d10.code()) | \
+ (1 << d11.code()) | (1 << d12.code()) | (1 << d13.code()) | \
+ (1 << d14.code()) | (1 << d15.code())
+
+#elif V8_TARGET_ARCH_MIPS
+// ===========================================================================
+// == mips ===================================================================
+// ===========================================================================
+#define PARAM_REGISTERS a0, a1, a2, a3
+#define RETURN_REGISTER_0 v0
+#define RETURN_REGISTER_1 v1
+#define CALLEE_SAVE_REGISTERS \
+ s0.bit() | s1.bit() | s2.bit() | s3.bit() | s4.bit() | s5.bit() | s6.bit() | \
+ s7.bit()
+#define CALLEE_SAVE_FP_REGISTERS \
+ f20.bit() | f22.bit() | f24.bit() | f26.bit() | f28.bit() | f30.bit()
+
+#elif V8_TARGET_ARCH_MIPS64
+// ===========================================================================
+// == mips64 =================================================================
+// ===========================================================================
+#define PARAM_REGISTERS a0, a1, a2, a3, a4, a5, a6, a7
+#define RETURN_REGISTER_0 v0
+#define RETURN_REGISTER_1 v1
+#define CALLEE_SAVE_REGISTERS \
+ s0.bit() | s1.bit() | s2.bit() | s3.bit() | s4.bit() | s5.bit() | s6.bit() | \
+ s7.bit()
+#define CALLEE_SAVE_FP_REGISTERS \
+ f20.bit() | f22.bit() | f24.bit() | f26.bit() | f28.bit() | f30.bit()
+
+#elif V8_TARGET_ARCH_PPC || V8_TARGET_ARCH_PPC64
+// ===========================================================================
+// == ppc & ppc64 ============================================================
+// ===========================================================================
+#define PARAM_REGISTERS r3, r4, r5, r6, r7, r8, r9, r10
+#define RETURN_REGISTER_0 r3
+#define RETURN_REGISTER_1 r4
+#define CALLEE_SAVE_REGISTERS \
+ r14.bit() | r15.bit() | r16.bit() | r17.bit() | r18.bit() | r19.bit() | \
+ r20.bit() | r21.bit() | r22.bit() | r23.bit() | r24.bit() | r25.bit() | \
+ r26.bit() | r27.bit() | r28.bit() | r29.bit() | r30.bit() | fp.bit()
+
+#else
+// ===========================================================================
+// == unknown ================================================================
+// ===========================================================================
+// Don't define anything. The below code will dynamically fail.
+#endif
+} // namespace
+
+
+// General code uses the above configuration data.
+CallDescriptor* Linkage::GetSimplifiedCDescriptor(
+ Zone* zone, const MachineSignature* msig) {
+ LocationSignature::Builder locations(zone, msig->return_count(),
+ msig->parameter_count());
+#if 0 // TODO(titzer): instruction selector tests break here.
+ // Check the types of the signature.
+ // Currently no floating point parameters or returns are allowed because
+ // on x87 and ia32, the FP top of stack is involved.
+
+ for (size_t i = 0; i < msig->return_count(); i++) {
+ MachineType type = RepresentationOf(msig->GetReturn(i));
+ CHECK(type != kRepFloat32 && type != kRepFloat64);
+ }
+ for (size_t i = 0; i < msig->parameter_count(); i++) {
+ MachineType type = RepresentationOf(msig->GetParam(i));
+ CHECK(type != kRepFloat32 && type != kRepFloat64);
+ }
+#endif
+
+#ifdef RETURN_REGISTER_0
+ // Add return location(s).
+ CHECK(locations.return_count_ <= 2);
+
+ if (locations.return_count_ > 0) {
+ locations.AddReturn(regloc(RETURN_REGISTER_0));
+ }
+ if (locations.return_count_ > 1) {
+ locations.AddReturn(regloc(RETURN_REGISTER_1));
+ }
+#else
+ // This method should not be called on unknown architectures.
+ V8_Fatal(__FILE__, __LINE__,
+ "requested C call descriptor on unsupported architecture");
+ return nullptr;
+#endif
+
+ const int parameter_count = static_cast<int>(msig->parameter_count());
+
+#ifdef PARAM_REGISTERS
+ static const Register kParamRegisters[] = {PARAM_REGISTERS};
+ static const int kParamRegisterCount =
+ static_cast<int>(arraysize(kParamRegisters));
+#else
+ static const Register* kParamRegisters = nullptr;
+ static const int kParamRegisterCount = 0;
+#endif
+
+#ifdef STACK_SHADOW_WORDS
+ int stack_offset = STACK_SHADOW_WORDS;
+#else
+ int stack_offset = 0;
+#endif
+ // Add register and/or stack parameter(s).
+ for (int i = 0; i < parameter_count; i++) {
+ if (i < kParamRegisterCount) {
+ locations.AddParam(regloc(kParamRegisters[i]));
+ } else {
+ locations.AddParam(stackloc(-1 - stack_offset));
+ stack_offset++;
+ }
+ }
+
+#ifdef CALLEE_SAVE_REGISTERS
+ const RegList kCalleeSaveRegisters = CALLEE_SAVE_REGISTERS;
+#else
+ const RegList kCalleeSaveRegisters = 0;
+#endif
+
+#ifdef CALLEE_SAVE_FP_REGISTERS
+ const RegList kCalleeSaveFPRegisters = CALLEE_SAVE_FP_REGISTERS;
+#else
+ const RegList kCalleeSaveFPRegisters = 0;
+#endif
+
+ // The target for C calls is always an address (i.e. machine pointer).
+ MachineType target_type = kMachPtr;
+ LinkageLocation target_loc = LinkageLocation::AnyRegister();
+ return new (zone) CallDescriptor( // --
+ CallDescriptor::kCallAddress, // kind
+ target_type, // target MachineType
+ target_loc, // target location
+ msig, // machine_sig
+ locations.Build(), // location_sig
+ 0, // js_parameter_count
+ Operator::kNoProperties, // properties
+ kCalleeSaveRegisters, // callee-saved registers
+ kCalleeSaveFPRegisters, // callee-saved fp regs
+ CallDescriptor::kNoFlags, // flags
+ "c-call");
+}
+}
+}
+}
static Register InterpreterDispatchTableReg() { return ebx; }
static Register RuntimeCallFunctionReg() { return ebx; }
static Register RuntimeCallArgCountReg() { return eax; }
- static RegList CCalleeSaveRegisters() {
- return esi.bit() | edi.bit() | ebx.bit();
- }
- static RegList CCalleeSaveFPRegisters() { return 0; }
- static Register CRegisterParameter(int i) { return no_reg; }
- static int CRegisterParametersLength() { return 0; }
- static int CStackBackingStoreLength() { return 0; }
};
typedef LinkageHelper<IA32LinkageHelperTraits> LH;
}
-CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone,
- const MachineSignature* sig) {
- return LH::GetSimplifiedCDescriptor(zone, sig);
-}
-
-
CallDescriptor* Linkage::GetInterpreterDispatchDescriptor(Zone* zone) {
return LH::GetInterpreterDispatchDescriptor(zone);
}
descriptor.DebugName(isolate));
}
- static CallDescriptor* GetSimplifiedCDescriptor(
- Zone* zone, const MachineSignature* msig) {
- LocationSignature::Builder locations(zone, msig->return_count(),
- msig->parameter_count());
- // Add return location(s).
- AddReturnLocations(&locations);
-
- // Add register and/or stack parameter(s).
- const int parameter_count = static_cast<int>(msig->parameter_count());
- int stack_offset = LinkageTraits::CStackBackingStoreLength();
- for (int i = 0; i < parameter_count; i++) {
- if (i < LinkageTraits::CRegisterParametersLength()) {
- locations.AddParam(regloc(LinkageTraits::CRegisterParameter(i)));
- } else {
- locations.AddParam(stackloc(-1 - stack_offset));
- stack_offset++;
- }
- }
-
- // The target for C calls is always an address (i.e. machine pointer).
- MachineType target_type = kMachPtr;
- LinkageLocation target_loc = LinkageLocation::AnyRegister();
- return new (zone) CallDescriptor( // --
- CallDescriptor::kCallAddress, // kind
- target_type, // target MachineType
- target_loc, // target location
- msig, // machine_sig
- locations.Build(), // location_sig
- 0, // js_parameter_count
- Operator::kNoProperties, // properties
- LinkageTraits::CCalleeSaveRegisters(), // callee-saved registers
- LinkageTraits::CCalleeSaveFPRegisters(), // callee-saved fp regs
- CallDescriptor::kNoFlags, // flags
- "c-call");
- }
-
static CallDescriptor* GetInterpreterDispatchDescriptor(Zone* zone) {
MachineSignature::Builder types(zone, 0, 3);
LocationSignature::Builder locations(zone, 0, 3);
}
-CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone,
- const MachineSignature* sig) {
- UNIMPLEMENTED();
- return NULL;
-}
#endif // !V8_TURBOFAN_BACKEND
} // namespace compiler
} // namespace internal
}
static Register RuntimeCallFunctionReg() { return a1; }
static Register RuntimeCallArgCountReg() { return a0; }
- static RegList CCalleeSaveRegisters() {
- return s0.bit() | s1.bit() | s2.bit() | s3.bit() | s4.bit() | s5.bit() |
- s6.bit() | s7.bit();
- }
- static RegList CCalleeSaveFPRegisters() {
- return f20.bit() | f22.bit() | f24.bit() | f26.bit() | f28.bit() |
- f30.bit();
- }
- static Register CRegisterParameter(int i) {
- static Register register_parameters[] = {a0, a1, a2, a3};
- return register_parameters[i];
- }
- static int CRegisterParametersLength() { return 4; }
- static int CStackBackingStoreLength() { return 0; }
};
}
-CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone,
- const MachineSignature* sig) {
- return LH::GetSimplifiedCDescriptor(zone, sig);
-}
-
-
CallDescriptor* Linkage::GetInterpreterDispatchDescriptor(Zone* zone) {
return LH::GetInterpreterDispatchDescriptor(zone);
}
}
static Register RuntimeCallFunctionReg() { return a1; }
static Register RuntimeCallArgCountReg() { return a0; }
- static RegList CCalleeSaveRegisters() {
- return s0.bit() | s1.bit() | s2.bit() | s3.bit() | s4.bit() | s5.bit() |
- s6.bit() | s7.bit();
- }
- static RegList CCalleeSaveFPRegisters() {
- return f20.bit() | f22.bit() | f24.bit() | f26.bit() | f28.bit() |
- f30.bit();
- }
- static Register CRegisterParameter(int i) {
- static Register register_parameters[] = {a0, a1, a2, a3, a4, a5, a6, a7};
- return register_parameters[i];
- }
- static int CRegisterParametersLength() { return 8; }
- static int CStackBackingStoreLength() { return 0; }
};
}
-CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone,
- const MachineSignature* sig) {
- return LH::GetSimplifiedCDescriptor(zone, sig);
-}
-
-
CallDescriptor* Linkage::GetInterpreterDispatchDescriptor(Zone* zone) {
return LH::GetInterpreterDispatchDescriptor(zone);
}
static Register InterpreterDispatchTableReg() { return r16; }
static Register RuntimeCallFunctionReg() { return r4; }
static Register RuntimeCallArgCountReg() { return r3; }
- static RegList CCalleeSaveRegisters() {
- return r14.bit() | r15.bit() | r16.bit() | r17.bit() | r18.bit() |
- r19.bit() | r20.bit() | r21.bit() | r22.bit() | r23.bit() |
- r24.bit() | r25.bit() | r26.bit() | r27.bit() | r28.bit() |
- r29.bit() | r30.bit() | fp.bit();
- }
- static RegList CCalleeSaveFPRegisters() { return 0; }
- static Register CRegisterParameter(int i) {
- static Register register_parameters[] = {r3, r4, r5, r6, r7, r8, r9, r10};
- return register_parameters[i];
- }
- static int CRegisterParametersLength() { return 8; }
- static int CStackBackingStoreLength() { return 0; }
};
}
-CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone,
- const MachineSignature* sig) {
- return LH::GetSimplifiedCDescriptor(zone, sig);
-}
-
-
CallDescriptor* Linkage::GetInterpreterDispatchDescriptor(Zone* zone) {
return LH::GetInterpreterDispatchDescriptor(zone);
}
namespace internal {
namespace compiler {
-#ifdef _WIN64
-const bool kWin64 = true;
-#else
-const bool kWin64 = false;
-#endif
-
struct X64LinkageHelperTraits {
static Register ReturnValueReg() { return rax; }
static Register ReturnValue2Reg() { return rdx; }
static Register InterpreterDispatchTableReg() { return r15; }
static Register RuntimeCallFunctionReg() { return rbx; }
static Register RuntimeCallArgCountReg() { return rax; }
- static RegList CCalleeSaveRegisters() {
- if (kWin64) {
- return rbx.bit() | rdi.bit() | rsi.bit() | r12.bit() | r13.bit() |
- r14.bit() | r15.bit();
- } else {
- return rbx.bit() | r12.bit() | r13.bit() | r14.bit() | r15.bit();
- }
- }
- static RegList CCalleeSaveFPRegisters() {
- if (kWin64) {
- return (1 << xmm6.code()) | (1 << xmm7.code()) | (1 << xmm8.code()) |
- (1 << xmm9.code()) | (1 << xmm10.code()) | (1 << xmm11.code()) |
- (1 << xmm12.code()) | (1 << xmm13.code()) | (1 << xmm14.code()) |
- (1 << xmm15.code());
- } else {
- return 0;
- }
- }
- static Register CRegisterParameter(int i) {
- if (kWin64) {
- static Register register_parameters[] = {rcx, rdx, r8, r9};
- return register_parameters[i];
- } else {
- static Register register_parameters[] = {rdi, rsi, rdx, rcx, r8, r9};
- return register_parameters[i];
- }
- }
- static int CRegisterParametersLength() { return kWin64 ? 4 : 6; }
- static int CStackBackingStoreLength() { return kWin64 ? 4 : 0; }
};
typedef LinkageHelper<X64LinkageHelperTraits> LH;
}
-CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone,
- const MachineSignature* sig) {
- return LH::GetSimplifiedCDescriptor(zone, sig);
-}
-
-
CallDescriptor* Linkage::GetInterpreterDispatchDescriptor(Zone* zone) {
return LH::GetInterpreterDispatchDescriptor(zone);
}
static Register InterpreterDispatchTableReg() { return ebx; }
static Register RuntimeCallFunctionReg() { return ebx; }
static Register RuntimeCallArgCountReg() { return eax; }
- static RegList CCalleeSaveRegisters() {
- return esi.bit() | edi.bit() | ebx.bit();
- }
- static RegList CCalleeSaveFPRegisters() { return 0; }
- static Register CRegisterParameter(int i) { return no_reg; }
- static int CRegisterParametersLength() { return 0; }
- static int CStackBackingStoreLength() { return 0; }
};
typedef LinkageHelper<X87LinkageHelperTraits> LH;
}
-CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone,
- const MachineSignature* sig) {
- return LH::GetSimplifiedCDescriptor(zone, sig);
-}
-
-
CallDescriptor* Linkage::GetInterpreterDispatchDescriptor(Zone* zone) {
return LH::GetInterpreterDispatchDescriptor(zone);
}
'../../src/compiler/basic-block-instrumentor.h',
'../../src/compiler/change-lowering.cc',
'../../src/compiler/change-lowering.h',
+ '../../src/compiler/c-linkage.cc',
'../../src/compiler/coalesced-live-ranges.cc',
'../../src/compiler/coalesced-live-ranges.h',
'../../src/compiler/code-generator-impl.h',
projects / platform / upstream / v8.git / commitdiff