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Update struct sigcontext member names

To: ralf@linux-mips.org, linux-mips@linux-mips.org
Subject: Update struct sigcontext member names
From: Daniel Jacobowitz <dan@debian.org>
Date: Mon, 8 May 2006 15:28:22 -0400
Original-recipient: rfc822;linux-mips@linux-mips.org
Sender: linux-mips-bounce@linux-mips.org
User-agent: Mutt/1.5.8i
Rename the MIPS64 sc_hi and sc_lo arrays to use the same names
as the MIPS32 struct sigcontext (sc_mdhi, sc_hi1, et cetera).

Signed-off-by: Daniel Jacobowitz <dan@codesourcery.com>

---

As we discussed earlier - this lets glibc use the same definitions, without
breaking source compatibility for the 64-bit sigcontext.

diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c
index 92b28b6..0facfaf 100644
--- a/arch/mips/kernel/asm-offsets.c
+++ b/arch/mips/kernel/asm-offsets.c
@@ -272,8 +272,8 @@ void output_sc_defines(void)
        text("/* Linux sigcontext offsets. */");
        offset("#define SC_REGS       ", struct sigcontext, sc_regs);
        offset("#define SC_FPREGS     ", struct sigcontext, sc_fpregs);
-       offset("#define SC_MDHI       ", struct sigcontext, sc_hi);
-       offset("#define SC_MDLO       ", struct sigcontext, sc_lo);
+       offset("#define SC_MDHI       ", struct sigcontext, sc_mdhi);
+       offset("#define SC_MDLO       ", struct sigcontext, sc_mdlo);
        offset("#define SC_PC         ", struct sigcontext, sc_pc);
        offset("#define SC_FPC_CSR    ", struct sigcontext, sc_fpc_csr);
        linefeed;
diff --git a/arch/mips/kernel/signal-common.h b/arch/mips/kernel/signal-common.h
index 3ca7862..ce6cb91 100644
--- a/arch/mips/kernel/signal-common.h
+++ b/arch/mips/kernel/signal-common.h
@@ -31,7 +31,6 @@ #define save_gp_reg(i) do {                                   
        \
        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) {
@@ -43,20 +42,6 @@ #ifdef CONFIG_32BIT
                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);
 
@@ -92,7 +77,6 @@ restore_sigcontext(struct pt_regs *regs,
        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) {
@@ -104,20 +88,6 @@ #ifdef CONFIG_32BIT
                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]);              \
diff --git a/include/asm-mips/sigcontext.h b/include/asm-mips/sigcontext.h
index 8edabb0..cefa657 100644
--- a/include/asm-mips/sigcontext.h
+++ b/include/asm-mips/sigcontext.h
@@ -55,8 +55,14 @@ #if _MIPS_SIM == _MIPS_SIM_ABI64 || _MIP
 struct sigcontext {
        unsigned long   sc_regs[32];
        unsigned long   sc_fpregs[32];
-       unsigned long   sc_hi[4];
-       unsigned long   sc_lo[4];
+       unsigned long   sc_mdhi;
+       unsigned long   sc_hi1;
+       unsigned long   sc_hi2;
+       unsigned long   sc_hi3;
+       unsigned long   sc_mdlo;
+       unsigned long   sc_lo1;
+       unsigned long   sc_lo2;
+       unsigned long   sc_lo3;
        unsigned long   sc_pc;
        unsigned int    sc_fpc_csr;
        unsigned int    sc_used_math;

-- 
Daniel Jacobowitz
CodeSourcery

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