Support the MIPS32 / MIPS64 DSP ASE.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 10 insertions, 42 deletions

diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index eb127230cc9a..8504febf8b22 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -21,6 +21,7 @@
 #include <linux/unistd.h>
 #include <linux/compiler.h>
 
+#include <asm/abi.h>
 #include <asm/asm.h>
 #include <linux/bitops.h>
 #include <asm/cacheflush.h>
@@ -36,7 +37,7 @@
 
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
-static int do_signal(sigset_t *oldset, struct pt_regs *regs);
+int do_signal(sigset_t *oldset, struct pt_regs *regs);
 
 /*
  * Atomically swap in the new signal mask, and wait for a signal.
@@ -216,7 +217,7 @@ _sys_sigreturn(nabi_no_regargs struct pt_regs regs)
 badframe:
         force_sig(SIGSEGV, current);
 }
-#endif
+#endif /* CONFIG_TRAD_SIGNALS */
 
 save_static_function(sys_rt_sigreturn);
 __attribute_used__ noinline static void
@@ -262,7 +263,7 @@ badframe:
 }
 
 #ifdef CONFIG_TRAD_SIGNALS
-static void inline setup_frame(struct k_sigaction * ka, struct pt_regs *regs,
+void setup_frame(struct k_sigaction * ka, struct pt_regs *regs,
         int signr, sigset_t *set)
 {
         struct sigframe *frame;
@@ -318,7 +319,7 @@ give_sigsegv:
 }
 #endif
 
-static void inline setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
+void setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
         int signr, sigset_t *set, siginfo_t *info)
 {
         struct rt_sigframe *frame;
@@ -410,22 +411,10 @@ static inline void handle_signal(unsigned long sig, siginfo_t *info,
 
         regs->regs[0] = 0;              /* Don't deal with this again.  */
 
-#ifdef CONFIG_TRAD_SIGNALS
-        if (ka->sa.sa_flags & SA_SIGINFO) {
-#else
-        if (1) {
-#endif
-#ifdef CONFIG_MIPS32_N32
-                if ((current->thread.mflags & MF_ABI_MASK) == MF_N32)
-                        setup_rt_frame_n32 (ka, regs, sig, oldset, info);
-                else
-#endif
-                        setup_rt_frame(ka, regs, sig, oldset, info);
-        }
-#ifdef CONFIG_TRAD_SIGNALS
+        if (sig_uses_siginfo(ka))
+                current->thread.abi->setup_rt_frame(ka, regs, sig, oldset, info);
         else
-                setup_frame(ka, regs, sig, oldset);
-#endif
+                current->thread.abi->setup_frame(ka, regs, sig, oldset);
 
         spin_lock_irq(&current->sighand->siglock);
         sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
@@ -435,21 +424,12 @@ static inline void handle_signal(unsigned long sig, siginfo_t *info,
         spin_unlock_irq(&current->sighand->siglock);
 }
 
-extern int do_signal32(sigset_t *oldset, struct pt_regs *regs);
-extern int do_irix_signal(sigset_t *oldset, struct pt_regs *regs);
-
-static int do_signal(sigset_t *oldset, struct pt_regs *regs)
+int do_signal(sigset_t *oldset, struct pt_regs *regs)
 {
         struct k_sigaction ka;
         siginfo_t info;
         int signr;
 
-#ifdef CONFIG_BINFMT_ELF32
-        if ((current->thread.mflags & MF_ABI_MASK) == MF_O32) {
-                return do_signal32(oldset, regs);
-        }
-#endif
-
         /*
          * We want the common case to go fast, which is why we may in certain
          * cases get here from kernel mode. Just return without doing anything
@@ -501,18 +481,6 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, sigset_t *oldset,
 {
         /* deal with pending signal delivery */
         if (thread_info_flags & _TIF_SIGPENDING) {
-#ifdef CONFIG_BINFMT_ELF32
-                if (likely((current->thread.mflags & MF_ABI_MASK) == MF_O32)) {
-                        do_signal32(oldset, regs);
-                        return;
-                }
-#endif
-#ifdef CONFIG_BINFMT_IRIX
-                if (unlikely(current->personality != PER_LINUX)) {
-                        do_irix_signal(oldset, regs);
-                        return;
-                }
-#endif
-                do_signal(oldset, regs);
+                current->thread.abi->do_signal(oldset, regs);
         }
 }