From 6b6f51c21dd29685bd1339de0bdffc0929316c63 Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Fri, 21 Jan 2022 03:43:00 +0100 Subject: nds32: sync with binutils 2.37, gcc 11.2 and linux 5.10.93 changes --- libc/sysdeps/linux/nds32/vfork.S | 129 --------------------------------------- 1 file changed, 129 deletions(-) delete mode 100644 libc/sysdeps/linux/nds32/vfork.S (limited to 'libc/sysdeps/linux/nds32/vfork.S') diff --git a/libc/sysdeps/linux/nds32/vfork.S b/libc/sysdeps/linux/nds32/vfork.S deleted file mode 100644 index ab32135fc..000000000 --- a/libc/sysdeps/linux/nds32/vfork.S +++ /dev/null @@ -1,129 +0,0 @@ -/* - * Copyright (C) 2016-2017 Andes Technology, Inc. - * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. - */ - -/* Copyright (C) 1999, 2002, 2003 Free Software Foundation, Inc. - Contributed by Philip Blundell . - - 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 2.1 of the License, or (at your option) any later version. - - 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; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include -#define _ERRNO_H 1 -#include - -/* Clone the calling process, but without copying the whole address space. - The calling process is suspended until the new process exits or is - replaced by a call to `execve'. Return -1 for errors, 0 to the new process, - and the process ID of the new process to the old process. */ - -ENTRY (__vfork) -#ifdef PIC -.pic -#endif - -#ifdef __NR_vfork - syscall __NR_vfork - bltz $r0, 2f -1: - ret -2: - sltsi $r1, $r0, -4096 - bnez $r1, 1b; - -# ifdef __ASSUME_VFORK_SYSCALL -# ifdef PIC - pushm $gp, $lp - cfi_adjust_cfa_offset(8) - cfi_rel_offset(gp, 0) - cfi_rel_offset(lp, 4) - mfusr $r15, $PC - sethi $gp, hi20(_GLOBAL_OFFSET_TABLE_+4) - ori $gp, $gp, lo12(_GLOBAL_OFFSET_TABLE_+8) - add $gp, $gp, $r15 - - ! r15=C_SYMBOL_NAME(__syscall_error)@PLT - sethi $r15, hi20(C_SYMBOL_NAME(__syscall_error)@PLT) - ori $r15, $r15, lo12(C_SYMBOL_NAME(__syscall_error)@PLT) - add $r15, $r15, $gp - - ! jump to SYSCALL_ERROR - jral $r15 - popm $gp, $lp - cfi_adjust_cfa_offset(-8) - cfi_restore(lp) - cfi_restore(gp) - ret -# else - j C_SYMBOL_NAME(__syscall_error) -# endif -# else - /* Check if vfork syscall is known at all. */ - li $r1, -ENOSYS - beq $r0, $r1, 1f - -# ifdef PIC -3: - pushm $gp, $lp - cfi_adjust_cfa_offset(8) - cfi_rel_offset(gp, 0) - cfi_rel_offset(lp, 4) - mfusr $r15, $PC - sethi $gp, hi20(_GLOBAL_OFFSET_TABLE_+4) - ori $gp, $gp, lo12(_GLOBAL_OFFSET_TABLE_+8) - add $gp, $gp, $r15 - - ! r15=C_SYMBOL_NAME(__syscall_error)@PLT - sethi $r15, hi20(C_SYMBOL_NAME(__syscall_error)@PLT) - ori $r15, $r15, lo12(C_SYMBOL_NAME(__syscall_error)@PLT) - add $r15, $r15, $gp - - ! jump to SYSCALL_ERROR - jral $r15 - popm $gp, $lp - cfi_adjust_cfa_offset(-8) - cfi_restore(lp) - cfi_restore(gp) - ret -# else - j C_SYMBOL_NAME(__syscall_error) -# endif -1: -# endif -#endif - -#ifndef __ASSUME_VFORK_SYSCALL - /* If we don't have vfork, fork is close enough. */ - syscall __NR_fork - bgez $r0, 1f - sltsi $r1, $r0, -4096 - bnez $r1, 1f - -# ifdef PIC - b 3b -# else - j C_SYMBOL_NAME(__syscall_error) -# endif -1: - ret - -#elif !defined __NR_vfork -# error "__NR_vfork not available and __ASSUME_VFORK_SYSCALL defined" -#endif - -PSEUDO_END (__vfork) -weak_alias (__vfork, vfork) -libc_hidden_def (vfork) -- cgit v1.2.3