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Subject[PATCH][COMPAT] compat_{old_}sigset_t mips64 part
Hi Ralf,

Here is the mips64 part of the patch.
--
Cheers,
Stephen Rothwell sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/

diff -ruN 2.5.58-32bit.4/arch/mips64/kernel/signal32.c 2.5.58-32bit.5/arch/mips64/kernel/signal32.c
--- 2.5.58-32bit.4/arch/mips64/kernel/signal32.c 2003-01-02 15:13:45.000000000 +1100
+++ 2.5.58-32bit.5/arch/mips64/kernel/signal32.c 2003-01-15 16:12:21.000000000 +1100
@@ -39,20 +39,13 @@

/* 32-bit compatibility types */

-#define _NSIG32_BPW 32
-#define _NSIG32_WORDS (_NSIG / _NSIG32_BPW)
-
-typedef struct {
- unsigned int sig[_NSIG32_WORDS];
-} sigset32_t;
-
typedef unsigned int __sighandler32_t;
typedef void (*vfptr_t)(void);

struct sigaction32 {
unsigned int sa_flags;
__sighandler32_t sa_handler;
- sigset32_t sa_mask;
+ compat_sigset_t sa_mask;
unsigned int sa_restorer;
int sa_resv[1]; /* reserved */
};
@@ -98,7 +91,7 @@
extern void __get_sigset_unknown_nsig(void);

static inline int
-put_sigset(const sigset_t *kbuf, sigset32_t *ubuf)
+put_sigset(const sigset_t *kbuf, compat_sigset_t *ubuf)
{
int err = 0;

@@ -120,7 +113,7 @@
}

static inline int
-get_sigset(sigset_t *kbuf, const sigset32_t *ubuf)
+get_sigset(sigset_t *kbuf, const compat_sigset_t *ubuf)
{
int err = 0;
unsigned long sig[4];
@@ -150,11 +143,11 @@
asmlinkage inline int
sys32_sigsuspend(abi64_no_regargs, struct pt_regs regs)
{
- sigset32_t *uset;
+ compat_sigset_t *uset;
sigset_t newset, saveset;

save_static(&regs);
- uset = (sigset32_t *) regs.regs[4];
+ uset = (compat_sigset_t *) regs.regs[4];
if (get_sigset(&newset, uset))
return -EFAULT;
sigdelsetmask(&newset, ~_BLOCKABLE);
@@ -178,17 +171,17 @@
asmlinkage int
sys32_rt_sigsuspend(abi64_no_regargs, struct pt_regs regs)
{
- sigset32_t *uset;
+ compat_sigset_t *uset;
sigset_t newset, saveset;
size_t sigsetsize;

save_static(&regs);
/* XXX Don't preclude handling different sized sigset_t's. */
sigsetsize = regs.regs[5];
- if (sigsetsize != sizeof(sigset32_t))
+ if (sigsetsize != sizeof(compat_sigset_t))
return -EINVAL;

- uset = (sigset32_t *) regs.regs[4];
+ uset = (compat_sigset_t *) regs.regs[4];
if (get_sigset(&newset, uset))
return -EFAULT;
sigdelsetmask(&newset, ~_BLOCKABLE);
@@ -704,8 +697,8 @@
extern asmlinkage int sys_sigprocmask(int how, old_sigset_t *set,
old_sigset_t *oset);

-asmlinkage int sys32_sigprocmask(int how, old_sigset_t32 *set,
- old_sigset_t32 *oset)
+asmlinkage int sys32_sigprocmask(int how, compat_old_sigset_t *set,
+ compat_old_sigset_t *oset)
{
old_sigset_t s;
int ret;
@@ -723,7 +716,7 @@

asmlinkage long sys_sigpending(old_sigset_t *set);

-asmlinkage int sys32_sigpending(old_sigset_t32 *set)
+asmlinkage int sys32_sigpending(compat_old_sigset_t *set)
{
old_sigset_t pending;
int ret;
@@ -789,7 +782,7 @@
asmlinkage long sys_rt_sigprocmask(int how, sigset_t *set, sigset_t *oset,
size_t sigsetsize);

-asmlinkage int sys32_rt_sigprocmask(int how, sigset32_t *set, sigset32_t *oset,
+asmlinkage int sys32_rt_sigprocmask(int how, compat_sigset_t *set, compat_sigset_t *oset,
unsigned int sigsetsize)
{
sigset_t old_set, new_set;
@@ -812,7 +805,7 @@

asmlinkage long sys_rt_sigpending(sigset_t *set, size_t sigsetsize);

-asmlinkage int sys32_rt_sigpending(sigset32_t *uset, unsigned int sigsetsize)
+asmlinkage int sys32_rt_sigpending(compat_sigset_t *uset, unsigned int sigsetsize)
{
int ret;
sigset_t set;
diff -ruN 2.5.58-32bit.4/include/asm-mips64/compat.h 2.5.58-32bit.5/include/asm-mips64/compat.h
--- 2.5.58-32bit.4/include/asm-mips64/compat.h 2003-01-13 11:07:06.000000000 +1100
+++ 2.5.58-32bit.5/include/asm-mips64/compat.h 2003-01-15 16:34:58.000000000 +1100
@@ -80,4 +80,11 @@
int f_spare[6];
};

+typedef u32 compat_old_sigset_t;
+
+#define _COMPAT_NSIG 128
+#define _COMPAT_NSIG_BPW 32
+
+typedef u32 compat_sigset_word;
+
#endif /* _ASM_MIPS64_COMPAT_H */
diff -ruN 2.5.58-32bit.4/include/asm-mips64/signal.h 2.5.58-32bit.5/include/asm-mips64/signal.h
--- 2.5.58-32bit.4/include/asm-mips64/signal.h 2001-09-10 03:43:02.000000000 +1000
+++ 2.5.58-32bit.5/include/asm-mips64/signal.h 2003-01-15 14:59:25.000000000 +1100
@@ -20,7 +20,6 @@
} sigset_t;

typedef unsigned long old_sigset_t; /* at least 32 bits */
-typedef unsigned int old_sigset_t32;

#define SIGHUP 1 /* Hangup (POSIX). */
#define SIGINT 2 /* Interrupt (ANSI). */
-
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