Merge git://git.infradead.org/mtd-2.6

[linux-2.6-omap-h63xx.git] / arch / mips / kernel / signal_n32.c

diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c
index 192073ee098f370d65f2b2c730d46ba1c3b0e474..ecf1f7ecaad9e9173582a6bcf85805d16de6b8c9 100644 (file)
--- a/arch/mips/kernel/signal_n32.c
+++ b/arch/mips/kernel/signal_n32.c
@@ -29,8 +29,10 @@
 #include <linux/compat.h>
 #include <linux/bitops.h>
 
+#include <asm/abi.h>
 #include <asm/asm.h>
 #include <asm/cacheflush.h>
+#include <asm/compat-signal.h>
 #include <asm/sim.h>
 #include <asm/uaccess.h>
 #include <asm/ucontext.h>
@@ -47,9 +49,9 @@
 #define __NR_N32_rt_sigreturn          6211
 #define __NR_N32_restart_syscall       6214
 
-#define DEBUG_SIG 0
+extern int setup_sigcontext(struct pt_regs *, struct sigcontext __user *);
+extern int restore_sigcontext(struct pt_regs *, struct sigcontext __user *);
 
-#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
 /* IRIX compatible stack_t  */
 typedef struct sigaltstack32 {
@@ -63,7 +65,7 @@ struct ucontextn32 {
        s32                 uc_link;
        stack32_t           uc_stack;
        struct sigcontext   uc_mcontext;
-       sigset_t            uc_sigmask;   /* mask last for extensibility */
+       compat_sigset_t     uc_sigmask;   /* mask last for extensibility */
 };
 
 #if ICACHE_REFILLS_WORKAROUND_WAR == 0
@@ -89,9 +91,7 @@ struct rt_sigframe_n32 {
 
 extern void sigset_from_compat (sigset_t *set, compat_sigset_t *compat);
 
-save_static_function(sysn32_rt_sigsuspend);
-__attribute_used__ noinline static int
-_sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
+asmlinkage int sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
 {
        compat_sigset_t __user *unewset;
        compat_sigset_t uset;
@@ -121,9 +121,7 @@ _sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
        return -ERESTARTNOHAND;
 }
 
-save_static_function(sysn32_rt_sigreturn);
-__attribute_used__ noinline static void
-_sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
+asmlinkage void sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
 {
        struct rt_sigframe_n32 __user *frame;
        sigset_t set;
@@ -133,7 +131,7 @@ _sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
        frame = (struct rt_sigframe_n32 __user *) regs.regs[29];
        if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
                goto badframe;
-       if (__copy_from_user(&set, &frame->rs_uc.uc_sigmask, sizeof(set)))
+       if (__copy_conv_sigset_from_user(&set, &frame->rs_uc.uc_sigmask))
                goto badframe;
 
        sigdelsetmask(&set, ~_BLOCKABLE);
@@ -172,7 +170,7 @@ badframe:
        force_sig(SIGSEGV, current);
 }
 
-int setup_rt_frame_n32(struct k_sigaction * ka,
+static int setup_rt_frame_n32(struct k_sigaction * ka,
        struct pt_regs *regs, int signr, sigset_t *set, siginfo_t *info)
 {
        struct rt_sigframe_n32 __user *frame;
@@ -199,7 +197,7 @@ int setup_rt_frame_n32(struct k_sigaction * ka,
        err |= __put_user(current->sas_ss_size,
                          &frame->rs_uc.uc_stack.ss_size);
        err |= setup_sigcontext(regs, &frame->rs_uc.uc_mcontext);
-       err |= __copy_to_user(&frame->rs_uc.uc_sigmask, set, sizeof(*set));
+       err |= __copy_conv_sigset_to_user(&frame->rs_uc.uc_sigmask, set);
 
        if (err)
                goto give_sigsegv;
@@ -221,14 +219,18 @@ int setup_rt_frame_n32(struct k_sigaction * ka,
        regs->regs[31] = (unsigned long) frame->rs_code;
        regs->cp0_epc = regs->regs[25] = (unsigned long) ka->sa.sa_handler;
 
-#if DEBUG_SIG
-       printk("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%p\n",
+       DEBUGP("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%lx\n",
               current->comm, current->pid,
               frame, regs->cp0_epc, regs->regs[31]);
-#endif
+
        return 0;
 
 give_sigsegv:
        force_sigsegv(signr, current);
        return -EFAULT;
 }
+
+struct mips_abi mips_abi_n32 = {
+       .setup_rt_frame = setup_rt_frame_n32,
+       .restart        = __NR_N32_restart_syscall
+};