linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / arch / mips / kernel / signal-common.h

diff --git a/arch/mips/kernel/signal-common.h b/arch/mips/kernel/signal-common.h
index b1f09d5..36bfc25 100644 (file)
--- a/arch/mips/kernel/signal-common.h
+++ b/arch/mips/kernel/signal-common.h
@@ -8,6 +8,7 @@
  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
  */
 
+#include <linux/config.h>
 
 static inline int
 setup_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
@@ -30,6 +31,7 @@ setup_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
        save_gp_reg(31);
 #undef save_gp_reg
 
+#ifdef CONFIG_32BIT
        err |= __put_user(regs->hi, &sc->sc_mdhi);
        err |= __put_user(regs->lo, &sc->sc_mdlo);
        if (cpu_has_dsp) {
@@ -41,6 +43,20 @@ setup_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
                err |= __put_user(mflo3(), &sc->sc_lo3);
                err |= __put_user(rddsp(DSP_MASK), &sc->sc_dsp);
        }
+#endif
+#ifdef CONFIG_64BIT
+       err |= __put_user(regs->hi, &sc->sc_hi[0]);
+       err |= __put_user(regs->lo, &sc->sc_lo[0]);
+       if (cpu_has_dsp) {
+               err |= __put_user(mfhi1(), &sc->sc_hi[1]);
+               err |= __put_user(mflo1(), &sc->sc_lo[1]);
+               err |= __put_user(mfhi2(), &sc->sc_hi[2]);
+               err |= __put_user(mflo2(), &sc->sc_lo[2]);
+               err |= __put_user(mfhi3(), &sc->sc_hi[3]);
+               err |= __put_user(mflo3(), &sc->sc_lo[3]);
+               err |= __put_user(rddsp(DSP_MASK), &sc->sc_dsp);
+       }
+#endif
 
        err |= __put_user(!!used_math(), &sc->sc_used_math);
 
@@ -76,6 +92,7 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
        current_thread_info()->restart_block.fn = do_no_restart_syscall;
 
        err |= __get_user(regs->cp0_epc, &sc->sc_pc);
+#ifdef CONFIG_32BIT
        err |= __get_user(regs->hi, &sc->sc_mdhi);
        err |= __get_user(regs->lo, &sc->sc_mdlo);
        if (cpu_has_dsp) {
@@ -87,6 +104,20 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
                err |= __get_user(treg, &sc->sc_lo3); mtlo3(treg);
                err |= __get_user(treg, &sc->sc_dsp); wrdsp(treg, DSP_MASK);
        }
+#endif
+#ifdef CONFIG_64BIT
+       err |= __get_user(regs->hi, &sc->sc_hi[0]);
+       err |= __get_user(regs->lo, &sc->sc_lo[0]);
+       if (cpu_has_dsp) {
+               err |= __get_user(treg, &sc->sc_hi[1]); mthi1(treg);
+               err |= __get_user(treg, &sc->sc_lo[1]); mthi1(treg);
+               err |= __get_user(treg, &sc->sc_hi[2]); mthi2(treg);
+               err |= __get_user(treg, &sc->sc_lo[2]); mthi2(treg);
+               err |= __get_user(treg, &sc->sc_hi[3]); mthi3(treg);
+               err |= __get_user(treg, &sc->sc_lo[3]); mthi3(treg);
+               err |= __get_user(treg, &sc->sc_dsp); wrdsp(treg, DSP_MASK);
+       }
+#endif
 
 #define restore_gp_reg(i) do {                                         \
        err |= __get_user(regs->regs[i], &sc->sc_regs[i]);              \
@@ -135,11 +166,11 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size)
        sp = regs->regs[29];
 
        /*
-        * FPU emulator may have it's own trampoline active just
-        * above the user stack, 16-bytes before the next lowest
-        * 16 byte boundary.  Try to avoid trashing it.
-        */
-       sp -= 32;
+        * FPU emulator may have it's own trampoline active just
+        * above the user stack, 16-bytes before the next lowest
+        * 16 byte boundary.  Try to avoid trashing it.
+        */
+       sp -= 32;
 
        /* This is the X/Open sanctioned signal stack switching.  */
        if ((ka->sa.sa_flags & SA_ONSTACK) && (sas_ss_flags (sp) == 0))