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Diffstat (limited to 'libc/private/bionic_preinit.h')
-rw-r--r-- | libc/private/bionic_preinit.h | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/libc/private/bionic_preinit.h b/libc/private/bionic_preinit.h deleted file mode 100644 index b74a8b4..0000000 --- a/libc/private/bionic_preinit.h +++ /dev/null @@ -1,76 +0,0 @@ -/* - * 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 */ |