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Diffstat (limited to 'gcc/config/frv/frvbegin.c')
| -rw-r--r-- | gcc/config/frv/frvbegin.c | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/gcc/config/frv/frvbegin.c b/gcc/config/frv/frvbegin.c deleted file mode 100644 index a5f5b1fa93e..00000000000 --- a/gcc/config/frv/frvbegin.c +++ /dev/null @@ -1,150 +0,0 @@ -/* Frv initialization file linked before all user modules - Copyright (C) 1999, 2000 Free Software Foundation, Inc. - Contributed by Red Hat, Inc. - - This file is part of GNU CC. - - GNU CC is free software ; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation * either version 2, or (at your option) - any later version. - - GNU CC is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY ; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with GNU CC; see the file COPYING. If not, write to - the Free Software Foundation, 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. - - This file was originally taken from the file crtstuff.c in the - main compiler directory, and simplified. */ - -#include "defaults.h" -#include <stddef.h> -#include "unwind-dw2-fde.h" -#include "gbl-ctors.h" - -/* Declare a pointer to void function type. */ -#define STATIC static - -#ifdef __FRV_UNDERSCORE__ -#define UNDERSCORE "_" -#else -#define UNDERSCORE "" -#endif - -#define INIT_SECTION_NEG_ONE(SECTION, FLAGS, NAME) \ -__asm__ (".section " SECTION "," FLAGS "\n\t" \ - ".globl " UNDERSCORE NAME "\n\t" \ - ".type " UNDERSCORE NAME ",@object\n\t" \ - ".p2align 2\n" \ - UNDERSCORE NAME ":\n\t" \ - ".word -1\n\t" \ - ".previous") - -#define INIT_SECTION(SECTION, FLAGS, NAME) \ -__asm__ (".section " SECTION "," FLAGS "\n\t" \ - ".globl " UNDERSCORE NAME "\n\t" \ - ".type " UNDERSCORE NAME ",@object\n\t" \ - ".p2align 2\n" \ - UNDERSCORE NAME ":\n\t" \ - ".previous") - -/* Beginning of .ctor/.dtor sections that provides a list of constructors and - destructors to run. */ - -INIT_SECTION_NEG_ONE (".ctors", "\"aw\"", "__CTOR_LIST__"); -INIT_SECTION_NEG_ONE (".dtors", "\"aw\"", "__DTOR_LIST__"); - -/* Beginning of .eh_frame section that provides all of the exception handling - tables. */ - -INIT_SECTION (".eh_frame", "\"aw\"", "__EH_FRAME_BEGIN__"); - -/* Beginning of .rofixup section that provides a list of pointers that we - need to adjust. */ - -INIT_SECTION (".rofixup", "\"a\"", "__ROFIXUP_LIST__"); - -extern void __frv_register_eh(void) __attribute__((__constructor__)); -extern void __frv_deregister_eh(void) __attribute__((__destructor__)); - -extern func_ptr __EH_FRAME_BEGIN__[]; - -/* Register the exeception handling table as the first constructor */ -void -__frv_register_eh (void) -{ - static struct object object; - if (__register_frame_info) - __register_frame_info (__EH_FRAME_BEGIN__, &object); -} - -/* Note, do not declare __{,de}register_frame_info weak as it seems - to interfere with the pic support. */ - -/* Unregister the exeception handling table as a deconstructor */ -void -__frv_deregister_eh (void) -{ - static int completed = 0; - - if (completed) - return; - - if (__deregister_frame_info) - __deregister_frame_info (__EH_FRAME_BEGIN__); - - completed = 1; -} - -/* Run the global destructors */ -void -__do_global_dtors () -{ - static func_ptr *p = __DTOR_LIST__ + 1; - while (*p) - { - p++; - (*(p-1)) (); - } -} - -/* Run the global constructors */ -void -__do_global_ctors () -{ - unsigned long nptrs = (unsigned long) __CTOR_LIST__[0]; - unsigned i; - - if (nptrs == (unsigned long)-1) - for (nptrs = 0; __CTOR_LIST__[nptrs + 1] != 0; nptrs++); - - for (i = nptrs; i >= 1; i--) - __CTOR_LIST__[i] (); - - atexit (__do_global_dtors); -} - -/* Subroutine called automatically by `main'. - Compiling a global function named `main' - produces an automatic call to this function at the beginning. - - For many systems, this routine calls __do_global_ctors. - For systems which support a .init section we use the .init section - to run __do_global_ctors, so we need not do anything here. */ - -void -__main () -{ - /* Support recursive calls to `main': run initializers just once. */ - static int initialized; - if (! initialized) - { - initialized = 1; - __do_global_ctors (); - } -} |