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