diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/sparc64/makecontext.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/sparc/sparc64/makecontext.c | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/makecontext.c b/sysdeps/unix/sysv/linux/sparc/sparc64/makecontext.c deleted file mode 100644 index ca174d01c1..0000000000 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/makecontext.c +++ /dev/null @@ -1,57 +0,0 @@ -/* Copyright (C) 2001-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek <jakub@redhat.com>. - - 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, see - <http://www.gnu.org/licenses/>. */ - -#include <stdarg.h> -#include <stdio.h> -#include <stdlib.h> -#include <ucontext.h> - -extern void __start_context (struct ucontext *ucp); - -void -__makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...) -{ - extern void __makecontext_ret (void); - unsigned long *sp, *topsp; - va_list ap; - int i; - - sp = (unsigned long *) ((long) ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size); - sp -= (argc > 6 ? argc : 6) + 32; - sp = (unsigned long *) (((long) sp) & -16L); - topsp = sp + (argc > 6 ? argc : 6) + 16; - - ucp->uc_mcontext.mc_gregs[MC_PC] = (long) func; - ucp->uc_mcontext.mc_gregs[MC_NPC] = ((long) func) + 4; - ucp->uc_mcontext.mc_gregs[MC_O6] = ((long) sp) - 0x7ff; - ucp->uc_mcontext.mc_gregs[MC_O7] = ((long) __start_context) - 8; - ucp->uc_mcontext.mc_fp = ((long) topsp) - 0x7ff; - ucp->uc_mcontext.mc_i7 = 0; - topsp[14] = 0; - topsp[15] = 0; - sp[8] = (long) ucp->uc_link; - va_start (ap, argc); - for (i = 0; i < argc; ++i) - if (i < 6) - ucp->uc_mcontext.mc_gregs[MC_O0 + i] = va_arg (ap, long); - else - sp[16 + i] = va_arg (ap, long); - va_end (ap); -} - -weak_alias (__makecontext, makecontext) |