diff options
Diffstat (limited to 'deps/v8/src/x64/macro-assembler-x64.h')
| -rw-r--r-- | deps/v8/src/x64/macro-assembler-x64.h | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/deps/v8/src/x64/macro-assembler-x64.h b/deps/v8/src/x64/macro-assembler-x64.h index 9c0b7964b3..af3dd031ca 100644 --- a/deps/v8/src/x64/macro-assembler-x64.h +++ b/deps/v8/src/x64/macro-assembler-x64.h @@ -56,6 +56,8 @@ enum class SmiOperationConstraint { kBailoutOnOverflow = 1 << 2 }; +enum class ReturnAddressState { kOnStack, kNotOnStack }; + typedef base::Flags<SmiOperationConstraint> SmiOperationConstraints; DEFINE_OPERATORS_FOR_FLAGS(SmiOperationConstraints) @@ -326,7 +328,7 @@ class MacroAssembler: public Assembler { void DebugBreak(); // Generates function and stub prologue code. - void StubPrologue(); + void StubPrologue(StackFrame::Type type); void Prologue(bool code_pre_aging); // Enter specific kind of exit frame; either in normal or @@ -370,6 +372,16 @@ class MacroAssembler: public Assembler { // --------------------------------------------------------------------------- // JavaScript invokes + // Removes current frame and its arguments from the stack preserving + // the arguments and a return address pushed to the stack for the next call. + // |ra_state| defines whether return address is already pushed to stack or + // not. Both |callee_args_count| and |caller_args_count_reg| do not include + // receiver. |callee_args_count| is not modified, |caller_args_count_reg| + // is trashed. + void PrepareForTailCall(const ParameterCount& callee_args_count, + Register caller_args_count_reg, Register scratch0, + Register scratch1, ReturnAddressState ra_state); + // Invoke the JavaScript function code by either calling or jumping. void InvokeFunctionCode(Register function, Register new_target, const ParameterCount& expected, @@ -806,6 +818,7 @@ class MacroAssembler: public Assembler { // Load a register with a long value as efficiently as possible. void Set(Register dst, int64_t x); + void Set(Register dst, int64_t x, RelocInfo::Mode rmode); void Set(const Operand& dst, intptr_t x); void Cvtss2sd(XMMRegister dst, XMMRegister src); @@ -1014,12 +1027,6 @@ class MacroAssembler: public Assembler { return (target.requires_rex() ? 2 : 1) + target.operand_size(); } - // Emit call to the code we are currently generating. - void CallSelf() { - Handle<Code> self(reinterpret_cast<Code**>(CodeObject().location())); - Call(self, RelocInfo::CODE_TARGET); - } - // Non-SSE2 instructions. void Pextrd(Register dst, XMMRegister src, int8_t imm8); void Pinsrd(XMMRegister dst, Register src, int8_t imm8); @@ -1191,6 +1198,7 @@ class MacroAssembler: public Assembler { // Abort execution if argument is not a number, enabled via --debug-code. void AssertNumber(Register object); + void AssertNotNumber(Register object); // Abort execution if argument is a smi, enabled via --debug-code. void AssertNotSmi(Register object); |