// Copyright 2013 The Go Authors. All rights reserved.// Use of this source code is governed by a BSD-style// license that can be found in the LICENSE file.// This file defines the IDs for PCDATA and FUNCDATA instructions// in Go binaries. It is included by assembly sources, so it must// be written using #defines.//// The Go compiler also #includes this file, for now.//// symtab.go also contains a copy of these constants.#define PCDATA_StackMapIndex 0#define FUNCDATA_ArgsPointerMaps 0 /* garbage collector blocks */#define FUNCDATA_LocalsPointerMaps 1// Pseudo-assembly statements.// GO_ARGS, GO_RESULTS_INITIALIZED, and NO_LOCAL_POINTERS are macros// that communicate to the runtime information about the location and liveness// of pointers in an assembly function's arguments, results, and stack frame.// This communication is only required in assembly functions that make calls// to other functions that might be preempted or grow the stack.// NOSPLIT functions that make no calls do not need to use these macros.// GO_ARGS indicates that the Go prototype for this assembly function// defines the pointer map for the function's arguments.// GO_ARGS should be the first instruction in a function that uses it.// It can be omitted if there are no arguments at all.// GO_ARGS is inserted implicitly by the linker for any function// that also has a Go prototype and therefore is usually not necessary// to write explicitly.#define GO_ARGS FUNCDATA $FUNCDATA_ArgsPointerMaps, go_args_stackmap(SB)// GO_RESULTS_INITIALIZED indicates that the assembly function// has initialized the stack space for its results and that those results// should be considered live for the remainder of the function.#define GO_RESULTS_INITIALIZED FUNCDATA PCDATA $PCDATA_StackMapIndex, 1// NO_LOCAL_POINTERS indicates that the assembly function stores// no pointers to heap objects in its local stack variables.#define NO_LOCAL_POINTERS FUNCDATA $FUNCDATA_LocalsPointerMaps, runtime·no_pointers_stackmap(SB)// ArgsSizeUnknown is set in Func.argsize to mark all functions// whose argument size is unknown (C vararg functions, and// assembly code without an explicit specification).// This value is generated by the compiler, assembler, or linker.#define ArgsSizeUnknown 0x80000000
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This file defines the IDs for PCDATA and FUNCDATA instructions
// in Go binaries. It is included by assembly sources, so it must
// be written using #defines.
//
// The Go compiler also #includes this file, for now.
//
// symtab.go also contains a copy of these constants.
#define PCDATA_StackMapIndex 0
#define FUNCDATA_ArgsPointerMaps 0 /* garbage collector blocks */
#define FUNCDATA_LocalsPointerMaps 1
// Pseudo-assembly statements.
// GO_ARGS, GO_RESULTS_INITIALIZED, and NO_LOCAL_POINTERS are macros
// that communicate to the runtime information about the location and liveness
// of pointers in an assembly function's arguments, results, and stack frame.
// This communication is only required in assembly functions that make calls
// to other functions that might be preempted or grow the stack.
// NOSPLIT functions that make no calls do not need to use these macros.
// GO_ARGS indicates that the Go prototype for this assembly function
// defines the pointer map for the function's arguments.
// GO_ARGS should be the first instruction in a function that uses it.
// It can be omitted if there are no arguments at all.
// GO_ARGS is inserted implicitly by the linker for any function
// that also has a Go prototype and therefore is usually not necessary
// to write explicitly.
#define GO_ARGS FUNCDATA $FUNCDATA_ArgsPointerMaps, go_args_stackmap(SB)
// GO_RESULTS_INITIALIZED indicates that the assembly function
// has initialized the stack space for its results and that those results
// should be considered live for the remainder of the function.
#define GO_RESULTS_INITIALIZED FUNCDATA PCDATA $PCDATA_StackMapIndex, 1
// NO_LOCAL_POINTERS indicates that the assembly function stores
// no pointers to heap objects in its local stack variables.
#define NO_LOCAL_POINTERS FUNCDATA $FUNCDATA_LocalsPointerMaps, runtime·no_pointers_stackmap(SB)
// ArgsSizeUnknown is set in Func.argsize to mark all functions
// whose argument size is unknown (C vararg functions, and
// assembly code without an explicit specification).
// This value is generated by the compiler, assembler, or linker.
#define ArgsSizeUnknown 0x80000000