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| author | Paul Mundt <lethal@linux-sh.org> | 2007-05-08 14:50:59 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@hera.kernel.org> | 2007-05-09 01:35:01 +0000 |
| commit | bd0799977cb9b68aa6a39e9630aeea4778a58385 (patch) | |
| tree | 125c0c923701c5b6f823a7b614c295e06370d46c /arch/sh/kernel/signal.c | |
| parent | 51c8b856f5edfa45d956721aa6d6ebaa15699062 (diff) | |
| download | blackbird-op-linux-bd0799977cb9b68aa6a39e9630aeea4778a58385.tar.gz blackbird-op-linux-bd0799977cb9b68aa6a39e9630aeea4778a58385.zip | |
sh: Support for SH-2A 32-bit opcodes.
SH-2A supports both 16 and 32-bit instructions, add a simple helper
for figuring out the instruction size in the places where there are
hardcoded 16-bit assumptions.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/signal.c')
| -rw-r--r-- | arch/sh/kernel/signal.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/sh/kernel/signal.c b/arch/sh/kernel/signal.c index eb0191c374b6..d7d98d691c64 100644 --- a/arch/sh/kernel/signal.c +++ b/arch/sh/kernel/signal.c @@ -23,7 +23,7 @@ #include <linux/personality.h> #include <linux/binfmts.h> #include <linux/freezer.h> - +#include <asm/system.h> #include <asm/ucontext.h> #include <asm/uaccess.h> #include <asm/pgtable.h> @@ -500,7 +500,7 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, } /* fallthrough */ case -ERESTARTNOINTR: - regs->pc -= 2; + regs->pc -= instruction_size(regs->pc); } } else { /* gUSA handling */ @@ -600,9 +600,9 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0) regs->regs[0] == -ERESTARTSYS || regs->regs[0] == -ERESTARTNOINTR) { regs->regs[0] = save_r0; - regs->pc -= 2; + regs->pc -= instruction_size(regs->pc); } else if (regs->regs[0] == -ERESTART_RESTARTBLOCK) { - regs->pc -= 2; + regs->pc -= instruction_size(regs->pc); regs->regs[3] = __NR_restart_syscall; } } |
