diff options
Diffstat (limited to 'arch/x86/um/syscalls_64.c')
| -rw-r--r-- | arch/x86/um/syscalls_64.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/x86/um/syscalls_64.c b/arch/x86/um/syscalls_64.c index 58f51667e2e4..fe5323f0c42d 100644 --- a/arch/x86/um/syscalls_64.c +++ b/arch/x86/um/syscalls_64.c @@ -10,7 +10,9 @@ #include <linux/syscalls.h> #include <linux/uaccess.h> #include <asm/prctl.h> /* XXX This should get the constants from libc */ +#include <registers.h> #include <os.h> +#include <registers.h> long arch_prctl(struct task_struct *task, int option, unsigned long __user *arg2) @@ -35,7 +37,7 @@ long arch_prctl(struct task_struct *task, int option, switch (option) { case ARCH_SET_FS: case ARCH_SET_GS: - ret = restore_registers(pid, ¤t->thread.regs.regs); + ret = restore_pid_registers(pid, ¤t->thread.regs.regs); if (ret) return ret; break; @@ -87,3 +89,13 @@ void arch_switch_to(struct task_struct *to) arch_prctl(to, ARCH_SET_FS, (void __user *) to->thread.arch.fs); } + +SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len, + unsigned long, prot, unsigned long, flags, + unsigned long, fd, unsigned long, off) +{ + if (off & ~PAGE_MASK) + return -EINVAL; + + return ksys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT); +} |