diff options
Diffstat (limited to 'libpthread/nptl/sysdeps/unix/sysv/linux/xtensa')
-rw-r--r-- | libpthread/nptl/sysdeps/unix/sysv/linux/xtensa/Makefile.arch | 1 | ||||
-rw-r--r-- | libpthread/nptl/sysdeps/unix/sysv/linux/xtensa/pt-initfini.c | 134 |
2 files changed, 0 insertions, 135 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/xtensa/Makefile.arch b/libpthread/nptl/sysdeps/unix/sysv/linux/xtensa/Makefile.arch index 8ebe28773..7014c3f04 100644 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/xtensa/Makefile.arch +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/xtensa/Makefile.arch @@ -7,7 +7,6 @@ libpthread_linux_arch_CSRC = pthread_once.c libpthread_linux_arch_SSRC = CFLAGS-OMIT-fork.c = -DNOT_IN_libc -DIS_IN_libpthread -ASFLAGS-pt-vfork.S = -DNOT_IN_libc -DIS_IN_libpthread -D_LIBC_REENTRANT ASFLAGS-clone.S = -D_LIBC_REENTRANT ASFLAGS-vfork.S = -D_LIBC_REENTRANT diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/xtensa/pt-initfini.c b/libpthread/nptl/sysdeps/unix/sysv/linux/xtensa/pt-initfini.c deleted file mode 100644 index 4e6d26e81..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/xtensa/pt-initfini.c +++ /dev/null @@ -1,134 +0,0 @@ -/* Special .init and .fini section support. Linuxthread version. - Copyright (C) 1995,1996,1997,2000,2001,2002 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it - and/or modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2 of the License, or (at your option) any later version. - - In addition to the permissions in the GNU Lesser General Public - License, the Free Software Foundation gives you unlimited - permission to link the compiled version of this file with other - programs, and to distribute those programs without any restriction - coming from the use of this file. (The Library General Public - License restrictions do apply in other respects; for example, they - cover modification of the file, and distribution when not linked - into another program.) - - The GNU C Library 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 Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - see <http://www.gnu.org/licenses/>. */ - -/* This file is compiled into assembly code which is then munged by a sed - script into two files: crti.s and crtn.s. - - * crti.s puts a function prologue at the beginning of the - .init and .fini sections and defines global symbols for - those addresses, so they can be called as functions. - - * crtn.s puts the corresponding function epilogues - in the .init and .fini sections. */ - -#include <stdlib.h> - -/* We use embedded asm for .section unconditionally, as this makes it - easier to insert the necessary directives into crtn.S. */ -#define SECTION(x) __asm__ (".section " x ) - -/* Embed an #include to pull in the alignment and .end directives. */ -__asm__ ("\n#include \"defs.h\""); -__asm__ ("\n#if defined __i686 && defined __ASSEMBLER__"); -__asm__ ("\n#undef __i686"); -__asm__ ("\n#define __i686 __i686"); -__asm__ ("\n#endif"); - -/* The initial common code ends here. */ -__asm__ ("\n/*@HEADER_ENDS*/"); - -/* To determine whether we need .end and .align: */ -__asm__ ("\n/*@TESTS_BEGIN*/"); -extern void dummy (void (*foo) (void)); -void -dummy (void (*foo) (void)) -{ - if (foo) - (*foo) (); -} -__asm__ ("\n/*@TESTS_END*/"); - -/* The beginning of _init: */ -__asm__ ("\n/*@_init_PROLOG_BEGINS*/"); - -static void -call_initialize_minimal (void) -{ - extern void __pthread_initialize_minimal_internal (void) - __attribute ((visibility ("hidden"))); - - __pthread_initialize_minimal_internal (); -} - -SECTION (".init"); -extern void __attribute__ ((section (".init"))) _init (void); -void -_init (void) -{ - /* The very first thing we must do is to set up the registers. */ - call_initialize_minimal (); - - __asm__ ("ALIGN"); - __asm__("END_INIT"); - /* Now the epilog. */ - __asm__ ("\n/*@_init_PROLOG_ENDS*/"); - __asm__ ("\n/*@_init_EPILOG_BEGINS*/"); - SECTION(".init"); -} -__asm__ ("END_INIT"); - -/* End of the _init epilog, beginning of the _fini prolog. */ -__asm__ ("\n/*@_init_EPILOG_ENDS*/"); -__asm__ ("\n/*@_fini_PROLOG_BEGINS*/"); - -SECTION (".fini"); -extern void __attribute__ ((section (".fini"))) _fini (void); -void -_fini (void) -{ - - /* End of the _fini prolog. */ - __asm__ ("ALIGN"); - __asm__ ("END_FINI"); - __asm__ ("\n/*@_fini_PROLOG_ENDS*/"); - - /* Xtensa: It doesn't really matter whether GCC thinks this is a leaf - function or not, and the scripts that are supposed to remove the - call don't catch the literal, resulting in an undefined symbol - reference. */ -#if 0 - { - /* Let GCC know that _fini is not a leaf function by having a dummy - function call here. We arrange for this call to be omitted from - either crt file. */ - extern void i_am_not_a_leaf (void); - i_am_not_a_leaf (); - } -#endif - - /* Beginning of the _fini epilog. */ - __asm__ ("\n/*@_fini_EPILOG_BEGINS*/"); - SECTION (".fini"); -} -__asm__ ("END_FINI"); - -/* End of the _fini epilog. Any further generated assembly (e.g. .ident) - is shared between both crt files. */ -__asm__ ("\n/*@_fini_EPILOG_ENDS*/"); -__asm__ ("\n/*@TRAILER_BEGINS*/"); - -/* End of file. */ |