um: Fix FP register size for XSTATE/XSAVE

[linux-2.6-microblaze.git] / arch / um / os-Linux / skas / process.c

diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index 819d686..c94c3bd 100644 (file)
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -88,12 +88,11 @@ bad_wait:
 
 extern unsigned long current_stub_stack(void);
 
-static void get_skas_faultinfo(int pid, struct faultinfo *fi)
+static void get_skas_faultinfo(int pid, struct faultinfo *fi, unsigned long *aux_fp_regs)
 {
        int err;
-       unsigned long fpregs[FP_SIZE];
 
-       err = get_fp_registers(pid, fpregs);
+       err = get_fp_registers(pid, aux_fp_regs);
        if (err < 0) {
                printk(UM_KERN_ERR "save_fp_registers returned %d\n",
                       err);
@@ -113,7 +112,7 @@ static void get_skas_faultinfo(int pid, struct faultinfo *fi)
         */
        memcpy(fi, (void *)current_stub_stack(), sizeof(*fi));
 
-       err = put_fp_registers(pid, fpregs);
+       err = put_fp_registers(pid, aux_fp_regs);
        if (err < 0) {
                printk(UM_KERN_ERR "put_fp_registers returned %d\n",
                       err);
@@ -121,9 +120,9 @@ static void get_skas_faultinfo(int pid, struct faultinfo *fi)
        }
 }
 
-static void handle_segv(int pid, struct uml_pt_regs * regs)
+static void handle_segv(int pid, struct uml_pt_regs *regs, unsigned long *aux_fp_regs)
 {
-       get_skas_faultinfo(pid, &regs->faultinfo);
+       get_skas_faultinfo(pid, &regs->faultinfo, aux_fp_regs);
        segv(regs->faultinfo, 0, 1, NULL);
 }
 
@@ -332,7 +331,7 @@ int start_userspace(unsigned long stub_stack)
        return err;
 }
 
-void userspace(struct uml_pt_regs *regs)
+void userspace(struct uml_pt_regs *regs, unsigned long *aux_fp_regs)
 {
        int err, status, op, pid = userspace_pid[0];
        /* To prevent races if using_sysemu changes under us.*/
@@ -407,11 +406,11 @@ void userspace(struct uml_pt_regs *regs)
                        case SIGSEGV:
                                if (PTRACE_FULL_FAULTINFO) {
                                        get_skas_faultinfo(pid,
-                                                          &regs->faultinfo);
+                                                          &regs->faultinfo, aux_fp_regs);
                                        (*sig_info[SIGSEGV])(SIGSEGV, (struct siginfo *)&si,
                                                             regs);
                                }
-                               else handle_segv(pid, regs);
+                               else handle_segv(pid, regs, aux_fp_regs);
                                break;
                        case SIGTRAP + 0x80:
                                handle_trap(pid, regs, local_using_sysemu);