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f46a5b1e45
This CL adds support of PIE internal linking on darwin/amd64. This is also preparation for supporting internal linking on darwin/arm64 (macOS), which requires PIE for everything. Updates #38485. Change-Id: I2ed58583dcc102f5e0521982491fc7ba6f2754ed Reviewed-on: https://go-review.googlesource.com/c/go/+/261642 Trust: Cherry Zhang <cherryyz@google.com> Reviewed-by: Than McIntosh <thanm@google.com>
31 lines
784 B
C
31 lines
784 B
C
// Copyright 2015 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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// +build !windows,!static
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// +build !darwin !internal_pie
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#include <stdint.h>
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#include <dlfcn.h>
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// Write our own versions of dlopen/dlsym/dlclose so that we represent
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// the opaque handle as a Go uintptr rather than a Go pointer to avoid
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// garbage collector confusion. See issue 23663.
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uintptr_t dlopen4029(char* name, int flags) {
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return (uintptr_t)(dlopen(name, flags));
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}
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uintptr_t dlsym4029(uintptr_t handle, char* name) {
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return (uintptr_t)(dlsym((void*)(handle), name));
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}
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int dlclose4029(uintptr_t handle) {
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return dlclose((void*)(handle));
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}
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void call4029(void *arg) {
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void (*fn)(void) = arg;
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fn();
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}
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