diff options
| -rw-r--r-- | posix/unistd.h | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/x32/syscall.S | 33 |
2 files changed, 34 insertions, 1 deletions
diff --git a/posix/unistd.h b/posix/unistd.h index 1b52930225..bb61ad782e 100644 --- a/posix/unistd.h +++ b/posix/unistd.h @@ -1058,7 +1058,7 @@ extern void *sbrk (intptr_t __delta) __THROW; In Mach, all system calls take normal arguments and always return an error code (zero for success). */ -extern long int syscall (long int __sysno, ...) __THROW; +extern __syscall_slong_t syscall (long int __sysno, ...) __THROW; #endif /* Use misc. */ diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/syscall.S b/sysdeps/unix/sysv/linux/x86_64/x32/syscall.S new file mode 100644 index 0000000000..cc5255f3fc --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86_64/x32/syscall.S @@ -0,0 +1,33 @@ +/* The syscall system call. Linux/x32 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/>. */ + +#include <sysdep.h> + +/* Return -1LL in a full 64 bits. */ +#undef SYSCALL_ERROR_HANDLER +#define SYSCALL_ERROR_HANDLER \ +0: \ + SYSCALL_SET_ERRNO; \ + orq $-1, %rax; \ + ret; + +/* Always use our own error handler. */ +#undef SYSCALL_ERROR_LABEL +#define SYSCALL_ERROR_LABEL 0f + +#include <sysdeps/unix/sysv/linux/x86_64/syscall.S> |