33 lines
958 B
C
33 lines
958 B
C
/* go-type-identity.c -- hash and equality identity functions.
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Copyright 2009 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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#include <stddef.h>
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#include "runtime.h"
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#include "go-type.h"
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/* The hash functions for types that can compare as identity is
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written in Go. */
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extern uintptr runtime_memhash(void *, uintptr, uintptr)
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__asm__ (GOSYM_PREFIX "runtime.memhash");
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const FuncVal __go_type_hash_identity_descriptor =
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{ (void *) runtime_memhash };
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/* An identity equality function for a type. This is used for types
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where we can check for equality by checking that the values have
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the same bits. */
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_Bool
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__go_type_equal_identity (const void *k1, const void *k2, uintptr_t key_size)
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{
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return __builtin_memcmp (k1, k2, key_size) == 0;
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}
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const FuncVal __go_type_equal_identity_descriptor =
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{ (void *) __go_type_equal_identity };
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