35 lines
1.3 KiB
Go
35 lines
1.3 KiB
Go
// Copyright 2020 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.
|
|
|
|
package abi
|
|
|
|
// FuncPC* intrinsics.
|
|
//
|
|
// CAREFUL: In programs with plugins, FuncPC* can return different values
|
|
// for the same function (because there are actually multiple copies of
|
|
// the same function in the address space). To be safe, don't use the
|
|
// results of this function in any == expression. It is only safe to
|
|
// use the result as an address at which to start executing code.
|
|
|
|
// FuncPCABI0 returns the entry PC of the function f, which must be a
|
|
// direct reference of a function defined as ABI0. Otherwise it is a
|
|
// compile-time error.
|
|
//
|
|
// Implemented as a compile intrinsic.
|
|
func FuncPCABI0(f any) uintptr {
|
|
// The compiler should remove all calls.
|
|
panic("FuncPCABI0")
|
|
}
|
|
|
|
// FuncPCABIInternal returns the entry PC of the function f. If f is a
|
|
// direct reference of a function, it must be defined as ABIInternal.
|
|
// Otherwise it is a compile-time error. If f is not a direct reference
|
|
// of a defined function, it assumes that f is a func value. Otherwise
|
|
// the behavior is undefined.
|
|
//
|
|
// Implemented as a compile intrinsic.
|
|
func FuncPCABIInternal(f any) uintptr {
|
|
// The compiler should remove all calls.
|
|
panic("FuncPCABIInternal")
|
|
}
|