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https://github.com/RGBCube/serenity
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9d2d97a059
This adds a new header <sys/internals.h>, which provides access to LibC internals. This is in the interest of type-checking LibC itself, as well as enabling less-hacky access for uses like LinkDemo. And, of course, this progresses LibC towards building cleanly with -Wmissing-declarations.
63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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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 are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED 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 OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/Types.h>
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/internals.h>
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#include <unistd.h>
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extern "C" {
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int main(int, char**, char**);
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// Tell the compiler that this may be called from somewhere else.
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int _start(int argc, char** argv, char** env);
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int _start(int argc, char** argv, char** env)
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{
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environ = env;
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__environ_is_malloced = false;
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__libc_init();
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_init();
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extern void (*__init_array_start[])(int, char**, char**) __attribute__((visibility("hidden")));
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extern void (*__init_array_end[])(int, char**, char**) __attribute__((visibility("hidden")));
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const size_t size = __init_array_end - __init_array_start;
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for (size_t i = 0; i < size; i++)
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(*__init_array_start[i])(argc, argv, env);
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int status = main(argc, argv, environ);
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exit(status);
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return 20150614;
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}
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}
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