72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
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/*
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* Copyright (C) 2016 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 __LINKER_GLOBALS_H
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#define __LINKER_GLOBALS_H
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#include <link.h>
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#include <stddef.h>
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#include <unordered_map>
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#define DL_ERR(fmt, x...) \
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do { \
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__libc_format_buffer(linker_get_error_buffer(), linker_get_error_buffer_size(), fmt, ##x); \
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/* If LD_DEBUG is set high enough, log every dlerror(3) message. */ \
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LD_LOG(kLogErrors, "%s\n", linker_get_error_buffer()); \
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} while (false)
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#define DL_WARN(fmt, x...) \
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do { \
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__libc_format_log(ANDROID_LOG_WARN, "linker", fmt, ##x); \
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__libc_format_fd(2, "WARNING: linker: "); \
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__libc_format_fd(2, fmt, ##x); \
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__libc_format_fd(2, "\n"); \
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} while (false)
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constexpr ElfW(Versym) kVersymNotNeeded = 0;
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constexpr ElfW(Versym) kVersymGlobal = 1;
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// These values are used to call constructors for .init_array && .preinit_array
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extern int g_argc;
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extern char** g_argv;
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extern char** g_envp;
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struct soinfo;
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struct android_namespace_t;
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extern android_namespace_t g_default_namespace;
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extern std::unordered_map<uintptr_t, soinfo*> g_soinfo_handles_map;
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// Error buffer "variable"
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char* linker_get_error_buffer();
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size_t linker_get_error_buffer_size();
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#endif /* __LINKER_GLOBALS_H */
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