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-rw-r--r--libc/private/bionic_preinit.h76
1 files changed, 0 insertions, 76 deletions
diff --git a/libc/private/bionic_preinit.h b/libc/private/bionic_preinit.h
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--- a/libc/private/bionic_preinit.h
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-/*
- * Copyright (C) 2009 The Android Open Source Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef _BIONIC_PREINIT_H
-#define _BIONIC_PREINIT_H
-
-#include "pthread_internal.h"
-#include "bionic_tls.h"
-#include <asm/page.h>
-
-/* this function is used to perform a minimal initialization of the
- * the C library. This must be performed before any other call to
- * other functions, in either the dynamic linker's startup code
- * or libc_init_static.c
- *
- * 'main_thread' and 'tls_area' must be persistent variables,
- * which means they must be either global, or allocated in the
- * main thread's stack frame and never, ever, freed before
- * program exit.
- *
- * VERY IMPORTANT NOTE:
- *
- * THIS IMPLEMENTATION SHOULD NOT USE GLOBAL VARIABLES.
- *
- * The reason is the dynamic linker's tricky usage of C library
- * functions and later renaming of their symbols. See the
- * "C Library Usage Restriction" section in bionic/linker/README.TXT
- * for details.
- */
-
-extern unsigned __get_sp(void);
-extern pid_t gettid(void);
-
-static __inline__ void
-__libc_preinit( pthread_internal_t* main_thread,
- void* tls_area[BIONIC_TLS_SLOTS] )
-{
- pthread_attr_t thread_attr;
-
- /* Setup the main thread's information */
- unsigned stacktop = (__get_sp() & ~(PAGE_SIZE - 1)) + PAGE_SIZE;
- unsigned stacksize = 128 * 1024;
- unsigned stackbottom = stacktop - stacksize;
-
- pthread_attr_init(&thread_attr);
- pthread_attr_setstack(&thread_attr, (void*)stackbottom, stacksize);
- _init_thread(main_thread, gettid(), &thread_attr, (void*)stackbottom);
- __init_tls(tls_area, main_thread);
-}
-
-#endif /* _BIONIC_INIT_H */