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MIPS: Cleanup signal code initialization

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/709/
This commit is contained in:
Ralf Baechle
2009-11-24 19:35:41 +00:00
parent 69f3a7de1f
commit 137f6f3e28
4 changed files with 70 additions and 84 deletions
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24
arch/mips/kernel/signal32.c
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@@ -35,6 +35,15 @@
#include "signal-common.h"
static int (*save_fp_context32)(struct sigcontext32 __user *sc);
static int (*restore_fp_context32)(struct sigcontext32 __user *sc);
extern asmlinkage int _save_fp_context32(struct sigcontext32 __user *sc);
extern asmlinkage int _restore_fp_context32(struct sigcontext32 __user *sc);
extern asmlinkage int fpu_emulator_save_context32(struct sigcontext32 __user *sc);
extern asmlinkage int fpu_emulator_restore_context32(struct sigcontext32 __user *sc);
/*
* Including <asm/unistd.h> would give use the 64-bit syscall numbers ...
*/
@@ -828,3 +837,18 @@ SYSCALL_DEFINE5(32_waitid, int, which, compat_pid_t, pid,
info.si_code |= __SI_CHLD;
return copy_siginfo_to_user32(uinfo, &info);
}
static int signal32_init(void)
{
if (cpu_has_fpu) {
save_fp_context32 = _save_fp_context32;
restore_fp_context32 = _restore_fp_context32;
} else {
save_fp_context32 = fpu_emulator_save_context32;
restore_fp_context32 = fpu_emulator_restore_context32;
}
return 0;
}
arch_initcall(signal32_init);