[PATCH][COMPAT] compat_{old_}sigset_t ppc64

From: Stephen Rothwell (sfr@canb.auug.org.au)
Date: Wed Jan 15 2003 - 01:36:27 EST


Hi Anton,

Here is the ppc64 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/ppc64/kernel/signal32.c 2.5.58-32bit.5/arch/ppc64/kernel/signal32.c --- 2.5.58-32bit.4/arch/ppc64/kernel/signal32.c 2003-01-14 09:57:51.000000000 +1100 +++ 2.5.58-32bit.5/arch/ppc64/kernel/signal32.c 2003-01-15 14:55:15.000000000 +1100 @@ -124,7 +124,7 @@ sig = -sig; if (act) { - old_sigset_t32 mask; + compat_old_sigset_t mask; if (get_user((long)new_ka.sa.sa_handler, &act->sa_handler) || __get_user((long)new_ka.sa.sa_restorer, &act->sa_restorer) || @@ -149,7 +149,7 @@ extern long sys_sigpending(old_sigset_t *set); -long sys32_sigpending(old_sigset_t32 *set) +long sys32_sigpending(compat_old_sigset_t *set) { old_sigset_t s; int ret; @@ -174,8 +174,8 @@ * of a signed int (msr in 32-bit mode) and the register representation * of a signed int (msr in 64-bit mode) is performed. */ -long sys32_sigprocmask(u32 how, old_sigset_t32 *set, - old_sigset_t32 *oset) +long sys32_sigprocmask(u32 how, compat_old_sigset_t *set, + compat_old_sigset_t *oset) { old_sigset_t s; int ret; @@ -528,16 +528,16 @@ { struct k_sigaction new_ka, old_ka; int ret; - sigset32_t set32; + compat_sigset_t set32; /* XXX: Don't preclude handling different sized sigset_t's. */ - if (sigsetsize != sizeof(sigset32_t)) + if (sigsetsize != sizeof(compat_sigset_t)) return -EINVAL; if (act) { ret = get_user((long)new_ka.sa.sa_handler, &act->sa_handler); ret |= __copy_from_user(&set32, &act->sa_mask, - sizeof(sigset32_t)); + sizeof(compat_sigset_t)); switch (_NSIG_WORDS) { case 4: new_ka.sa.sa_mask.sig[3] = set32.sig[6] | (((long)set32.sig[7]) << 32); @@ -571,7 +571,7 @@ } ret = put_user((long)old_ka.sa.sa_handler, &oact->sa_handler); ret |= __copy_to_user(&oact->sa_mask, &set32, - sizeof(sigset32_t)); + sizeof(compat_sigset_t)); ret |= __put_user(old_ka.sa.sa_flags, &oact->sa_flags); } return ret; @@ -588,16 +588,16 @@ * of a signed int (msr in 32-bit mode) and the register representation * of a signed int (msr in 64-bit mode) is performed. */ -long sys32_rt_sigprocmask(u32 how, sigset32_t *set, - sigset32_t *oset, size_t sigsetsize) +long sys32_rt_sigprocmask(u32 how, compat_sigset_t *set, + compat_sigset_t *oset, size_t sigsetsize) { sigset_t s; - sigset32_t s32; + compat_sigset_t s32; int ret; mm_segment_t old_fs = get_fs(); if (set) { - if (copy_from_user (&s32, set, sizeof(sigset32_t))) + if (copy_from_user (&s32, set, sizeof(compat_sigset_t))) return -EFAULT; switch (_NSIG_WORDS) { @@ -621,7 +621,7 @@ case 2: s32.sig[3] = (s.sig[1] >> 32); s32.sig[2] = s.sig[1]; case 1: s32.sig[1] = (s.sig[0] >> 32); s32.sig[0] = s.sig[0]; } - if (copy_to_user (oset, &s32, sizeof(sigset32_t))) + if (copy_to_user (oset, &s32, sizeof(compat_sigset_t))) return -EFAULT; } return 0; @@ -631,10 +631,10 @@ extern long sys_rt_sigpending(sigset_t *set, size_t sigsetsize); -long sys32_rt_sigpending(sigset32_t *set, compat_size_t sigsetsize) +long sys32_rt_sigpending(compat_sigset_t *set, compat_size_t sigsetsize) { sigset_t s; - sigset32_t s32; + compat_sigset_t s32; int ret; mm_segment_t old_fs = get_fs(); @@ -648,7 +648,7 @@ case 2: s32.sig[3] = (s.sig[1] >> 32); s32.sig[2] = s.sig[1]; case 1: s32.sig[1] = (s.sig[0] >> 32); s32.sig[0] = s.sig[0]; } - if (copy_to_user (set, &s32, sizeof(sigset32_t))) + if (copy_to_user (set, &s32, sizeof(compat_sigset_t))) return -EFAULT; } return ret; @@ -702,17 +702,17 @@ siginfo_t *uinfo, const struct timespec *uts, size_t sigsetsize); -long sys32_rt_sigtimedwait(sigset32_t *uthese, siginfo_t32 *uinfo, +long sys32_rt_sigtimedwait(compat_sigset_t *uthese, siginfo_t32 *uinfo, struct compat_timespec *uts, compat_size_t sigsetsize) { sigset_t s; - sigset32_t s32; + compat_sigset_t s32; struct timespec t; int ret; mm_segment_t old_fs = get_fs(); siginfo_t info; - if (copy_from_user(&s32, uthese, sizeof(sigset32_t))) + if (copy_from_user(&s32, uthese, sizeof(compat_sigset_t))) return -EFAULT; switch (_NSIG_WORDS) { case 4: s.sig[3] = s32.sig[6] | (((long)s32.sig[7]) << 32); @@ -803,11 +803,11 @@ extern int do_signal(sigset_t *oldset, struct pt_regs *regs); -int sys32_rt_sigsuspend(sigset32_t* unewset, size_t sigsetsize, int p3, +int sys32_rt_sigsuspend(compat_sigset_t* unewset, size_t sigsetsize, int p3, int p4, int p6, int p7, struct pt_regs *regs) { sigset_t saveset, newset; - sigset32_t s32; + compat_sigset_t s32; /* XXX: Don't preclude handling different sized sigset_t's. */ if (sigsetsize != sizeof(sigset_t)) diff -ruN 2.5.58-32bit.4/include/asm-ppc64/compat.h 2.5.58-32bit.5/include/asm-ppc64/compat.h --- 2.5.58-32bit.4/include/asm-ppc64/compat.h 2003-01-14 09:57:58.000000000 +1100 +++ 2.5.58-32bit.5/include/asm-ppc64/compat.h 2003-01-15 16:36:43.000000000 +1100 @@ -77,4 +77,11 @@ int f_spare[6]; }; +typedef u32 compat_old_sigset_t; + +#define _COMPAT_NSIG 64 +#define _COMPAT_NSIG_BPW 32 + +typedef u32 compat_sigset_word; + #endif /* _ASM_PPC64_COMPAT_H */ diff -ruN 2.5.58-32bit.4/include/asm-ppc64/ppc32.h 2.5.58-32bit.5/include/asm-ppc64/ppc32.h --- 2.5.58-32bit.4/include/asm-ppc64/ppc32.h 2003-01-14 09:57:58.000000000 +1100 +++ 2.5.58-32bit.5/include/asm-ppc64/ppc32.h 2003-01-15 15:05:37.000000000 +1100 @@ -94,32 +94,22 @@ } _sifields; } siginfo_t32; -#define __old_sigset_t32 old_sigset_t32 #define __old_sigaction32 old_sigaction32 -typedef unsigned int __old_sigset_t32; struct __old_sigaction32 { unsigned sa_handler; - __old_sigset_t32 sa_mask; + compat_old_sigset_t sa_mask; unsigned int sa_flags; unsigned sa_restorer; /* not used by Linux/SPARC yet */ }; -#define _PPC32_NSIG 64 -#define _PPC32_NSIG_BPW 32 -#define _PPC32_NSIG_WORDS (_PPC32_NSIG / _PPC32_NSIG_BPW) - -typedef struct { - unsigned int sig[_PPC32_NSIG_WORDS]; -} sigset32_t; - struct sigaction32 { unsigned int sa_handler; /* Really a pointer, but need to deal with 32 bits */ unsigned int sa_flags; unsigned int sa_restorer; /* Another 32 bit pointer */ - sigset32_t sa_mask; /* A 32 bit mask */ + compat_sigset_t sa_mask; /* A 32 bit mask */ }; typedef struct sigaltstack_32 { - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/



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