diff options
Diffstat (limited to 'deps/v8/src/arm/macro-assembler-arm.h')
| -rw-r--r-- | deps/v8/src/arm/macro-assembler-arm.h | 44 |
1 files changed, 27 insertions, 17 deletions
diff --git a/deps/v8/src/arm/macro-assembler-arm.h b/deps/v8/src/arm/macro-assembler-arm.h index 03aa4d0c2b..ee9d70d310 100644 --- a/deps/v8/src/arm/macro-assembler-arm.h +++ b/deps/v8/src/arm/macro-assembler-arm.h @@ -96,6 +96,8 @@ class MacroAssembler: public Assembler { // Leave the current exit frame. Expects the return value in r0. void LeaveExitFrame(StackFrame::Type type); + // Align the stack by optionally pushing a Smi zero. + void AlignStack(int offset); // --------------------------------------------------------------------------- // JavaScript invokes @@ -171,18 +173,18 @@ class MacroAssembler: public Assembler { // bytes). If the new space is exhausted control continues at the gc_required // label. The allocated object is returned in result. If the flag // tag_allocated_object is true the result is tagged as as a heap object. - void AllocateObjectInNewSpace(int object_size, - Register result, - Register scratch1, - Register scratch2, - Label* gc_required, - AllocationFlags flags); - void AllocateObjectInNewSpace(Register object_size, - Register result, - Register scratch1, - Register scratch2, - Label* gc_required, - AllocationFlags flags); + void AllocateInNewSpace(int object_size, + Register result, + Register scratch1, + Register scratch2, + Label* gc_required, + AllocationFlags flags); + void AllocateInNewSpace(Register object_size, + Register result, + Register scratch1, + Register scratch2, + Label* gc_required, + AllocationFlags flags); // Undo allocation in new space. The object passed and objects allocated after // it will no longer be allocated. The caller must make sure that no pointers @@ -257,14 +259,14 @@ class MacroAssembler: public Assembler { void CallRuntime(Runtime::FunctionId fid, int num_arguments); // Tail call of a runtime routine (jump). - // Like JumpToBuiltin, but also takes care of passing the number + // Like JumpToRuntime, but also takes care of passing the number // of parameters. void TailCallRuntime(const ExternalReference& ext, int num_arguments, int result_size); - // Jump to the builtin routine. - void JumpToBuiltin(const ExternalReference& builtin); + // Jump to a runtime routine. + void JumpToRuntime(const ExternalReference& builtin); // Invoke specified builtin JavaScript function. Adds an entry to // the unresolved list if the name does not resolve. @@ -329,8 +331,16 @@ class MacroAssembler: public Assembler { Label* done, InvokeFlag flag); - // Get the code for the given builtin. Returns if able to resolve - // the function in the 'resolved' flag. + // Prepares for a call or jump to a builtin by doing two things: + // 1. Emits code that fetches the builtin's function object from the context + // at runtime, and puts it in the register rdi. + // 2. Fetches the builtin's code object, and returns it in a handle, at + // compile time, so that later code can emit instructions to jump or call + // the builtin directly. If the code object has not yet been created, it + // returns the builtin code object for IllegalFunction, and sets the + // output parameter "resolved" to false. Code that uses the return value + // should then add the address and the builtin name to the list of fixups + // called unresolved_, which is fixed up by the bootstrapper. Handle<Code> ResolveBuiltin(Builtins::JavaScript id, bool* resolved); // Activation support. |