diff options
Diffstat (limited to 'sysdeps/arm/nacl/exit-thread.c')
| -rw-r--r-- | sysdeps/arm/nacl/exit-thread.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/arm/nacl/exit-thread.c b/sysdeps/arm/nacl/exit-thread.c new file mode 100644 index 0000000000..9b39dbaa42 --- /dev/null +++ b/sysdeps/arm/nacl/exit-thread.c @@ -0,0 +1,38 @@ +/* Call to terminate the current thread. NaCl/ARM version. + Copyright (C) 2015 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 2.1 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/>. */ + +/* This bit is machine-specific: Switch stacks to SP and call FUNC (ARG). */ +static void __attribute__ ((noreturn)) +call_on_stack (void *sp, + void (*func) (void *) + internal_function __attribute__ ((noreturn)), + void *arg) +{ + register void *r0 asm ("r0") = arg; + asm volatile ("bic sp, %[sp], %[dmask]\n\t" + "sfi_blx %[func]" + : + : [sp] "r" (sp), + [dmask] "ir" (0xc0000000), + [func] "r" (func), + "r" (r0)); + __builtin_trap (); +} + +/* The rest is machine-independent. */ +#include <sysdeps/nacl/exit-thread.c> |