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133 lines
4.5 KiB
133 lines
4.5 KiB
/*
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* Copyright 2002-2019 Intel Corporation.
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*
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* This software and the related documents are Intel copyrighted materials, and your
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* use of them is governed by the express license under which they were provided to
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* you ("License"). Unless the License provides otherwise, you may not use, modify,
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* copy, publish, distribute, disclose or transmit this software or the related
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* documents without Intel's prior written permission.
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*
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* This software and the related documents are provided as is, with no express or
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* implied warranties, other than those that are expressly stated in the License.
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*
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* This file incorporates work covered by the following copyright and permission notice:
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*/
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/*
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* Copyright (C) 2008 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef __DLFCN_H__
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#define __DLFCN_H__
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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typedef struct {
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const char *dli_fname; /* Pathname of shared object that
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contains address */
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void *dli_fbase; /* Address at which shared object
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is loaded */
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const char *dli_sname; /* Name of nearest symbol with address
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lower than addr */
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void *dli_saddr; /* Exact address of symbol named
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in dli_sname */
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} Dl_info;
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extern void* dlopen(const char* filename, int flag);
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extern int dlclose(void* handle);
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extern const char* dlerror(void);
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extern void* dlsym(void* handle, const char* symbol);
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extern int dladdr(const void* addr, Dl_info *info);
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enum {
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#if defined(__APPLE__)
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RTLD_LAZY = 1,
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RTLD_NOW = 2,
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RTLD_LOCAL = 4,
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RTLD_GLOBAL = 8,
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RTLD_NOLOAD = 0x10,
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RTLD_NODELETE = 0x80,
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RTLD_FIRST = 0x100, /* macOS 10.5 and later */
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#else
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# if defined(__LP64__)
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RTLD_NOW = 2,
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# else
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RTLD_NOW = 0,
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# endif
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RTLD_LAZY = 1,
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RTLD_LOCAL = 0,
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# if defined(__LP64__)
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RTLD_GLOBAL = 0x00100,
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# else
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RTLD_GLOBAL = 2,
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# endif
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RTLD_NOLOAD = 4,
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#endif
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};
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#if defined(__APPLE__)
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# define RTLD_NEXT ((void *) -1) /* Search subsequent objects. */
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# define RTLD_DEFAULT ((void *) -2) /* Use default search algorithm. */
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# define RTLD_SELF ((void *) -3) /* Search this and subsequent objects (macOS 10.5 and later) */
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# define RTLD_MAIN_ONLY ((void *) -5) /* Search main executable only (macOS 10.5 and later) */
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#else
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# if defined (__LP64__)
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# define RTLD_DEFAULT ((void*) 0)
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# define RTLD_NEXT ((void*) -1L)
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# else
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# define RTLD_DEFAULT ((void*) 0xffffffff)
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# define RTLD_NEXT ((void*) 0xfffffffe)
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# endif
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#endif
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#if defined(__APPLE__) && defined(__NEED_DYLD_PRIVATE)
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#include <mach-o/dyld.h>
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#include <mach-o/dyld_images.h>
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struct dyld_unwind_sections
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{
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const struct mach_header* mh;
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const void* dwarf_section;
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uintptr_t dwarf_section_length;
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const void* compact_unwind_section;
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uintptr_t compact_unwind_section_length;
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};
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extern bool _dyld_find_unwind_sections(void* addr, struct dyld_unwind_sections* info);
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extern void _dyld_register_func_for_add_image(void (*func)(const struct mach_header* mh, intptr_t vmaddr_slide));
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extern void _dyld_register_func_for_remove_image(void (*func)(const struct mach_header* mh, intptr_t vmaddr_slide));
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#endif
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__END_DECLS
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#endif /* __DLFCN_H */
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