diff options
Diffstat (limited to 'arch/sparc64')
-rw-r--r-- | arch/sparc64/Kconfig | 2 | ||||
-rw-r--r-- | arch/sparc64/kernel/power.c | 5 | ||||
-rw-r--r-- | arch/sparc64/kernel/sys_sparc.c | 25 | ||||
-rw-r--r-- | arch/sparc64/kernel/sys_sparc32.c | 5 | ||||
-rw-r--r-- | arch/sparc64/kernel/sys_sunos32.c | 22 | ||||
-rw-r--r-- | arch/sparc64/kernel/time.c | 2 | ||||
-rw-r--r-- | arch/sparc64/solaris/fs.c | 7 | ||||
-rw-r--r-- | arch/sparc64/solaris/misc.c | 6 |
8 files changed, 55 insertions, 19 deletions
diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig index 8d8ca716f7a7..b627f8dbcaad 100644 --- a/arch/sparc64/Kconfig +++ b/arch/sparc64/Kconfig @@ -420,7 +420,7 @@ source "arch/sparc64/oprofile/Kconfig" config KPROBES bool "Kprobes (EXPERIMENTAL)" - depends on EXPERIMENTAL && MODULES + depends on KALLSYMS && EXPERIMENTAL && MODULES help Kprobes allows you to trap at almost any kernel address and execute a callback function. register_kprobe() establishes diff --git a/arch/sparc64/kernel/power.c b/arch/sparc64/kernel/power.c index e55466c77b61..0b9c70627ce4 100644 --- a/arch/sparc64/kernel/power.c +++ b/arch/sparc64/kernel/power.c @@ -4,8 +4,6 @@ * Copyright (C) 1999 David S. Miller (davem@redhat.com) */ -#define __KERNEL_SYSCALLS__ - #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -14,6 +12,7 @@ #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/pm.h> +#include <linux/syscalls.h> #include <asm/system.h> #include <asm/auxio.h> @@ -98,7 +97,7 @@ again: /* Ok, down we go... */ button_pressed = 0; - if (execve("/sbin/shutdown", argv, envp) < 0) { + if (kernel_execve("/sbin/shutdown", argv, envp) < 0) { printk("powerd: shutdown execution failed\n"); add_wait_queue(&powerd_wait, &wait); goto again; diff --git a/arch/sparc64/kernel/sys_sparc.c b/arch/sparc64/kernel/sys_sparc.c index c608c947e6c3..a53d4abb4b49 100644 --- a/arch/sparc64/kernel/sys_sparc.c +++ b/arch/sparc64/kernel/sys_sparc.c @@ -31,6 +31,7 @@ #include <asm/utrap.h> #include <asm/perfctr.h> #include <asm/a.out.h> +#include <asm/unistd.h> /* #define DEBUG_UNIMP_SYSCALL */ @@ -712,13 +713,13 @@ asmlinkage long sys_getdomainname(char __user *name, int len) down_read(&uts_sem); - nlen = strlen(system_utsname.domainname) + 1; + nlen = strlen(utsname()->domainname) + 1; err = -EINVAL; if (nlen > len) goto out; err = -EFAULT; - if (!copy_to_user(name, system_utsname.domainname, nlen)) + if (!copy_to_user(name, utsname()->domainname, nlen)) err = 0; out: @@ -963,3 +964,23 @@ asmlinkage long sys_perfctr(int opcode, unsigned long arg0, unsigned long arg1, }; return err; } + +/* + * Do a system call from kernel instead of calling sys_execve so we + * end up with proper pt_regs. + */ +int kernel_execve(const char *filename, char *const argv[], char *const envp[]) +{ + long __res; + register long __g1 __asm__ ("g1") = __NR_execve; + register long __o0 __asm__ ("o0") = (long)(filename); + register long __o1 __asm__ ("o1") = (long)(argv); + register long __o2 __asm__ ("o2") = (long)(envp); + asm volatile ("t 0x6d\n\t" + "sub %%g0, %%o0, %0\n\t" + "movcc %%xcc, %%o0, %0\n\t" + : "=r" (__res), "=&r" (__o0) + : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__g1) + : "cc"); + return __res; +} diff --git a/arch/sparc64/kernel/sys_sparc32.c b/arch/sparc64/kernel/sys_sparc32.c index 69444f266e2d..dbc6d1a3be1f 100644 --- a/arch/sparc64/kernel/sys_sparc32.c +++ b/arch/sparc64/kernel/sys_sparc32.c @@ -337,12 +337,17 @@ asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf) { + compat_ino_t ino; int err; if (stat->size > MAX_NON_LFS || !old_valid_dev(stat->dev) || !old_valid_dev(stat->rdev)) return -EOVERFLOW; + ino = stat->ino; + if (sizeof(ino) < sizeof(stat->ino) && ino != stat->ino) + return -EOVERFLOW; + err = put_user(old_encode_dev(stat->dev), &statbuf->st_dev); err |= put_user(stat->ino, &statbuf->st_ino); err |= put_user(stat->mode, &statbuf->st_mode); diff --git a/arch/sparc64/kernel/sys_sunos32.c b/arch/sparc64/kernel/sys_sunos32.c index 87ebdf858a3a..e414c8ef0225 100644 --- a/arch/sparc64/kernel/sys_sunos32.c +++ b/arch/sparc64/kernel/sys_sunos32.c @@ -280,16 +280,20 @@ static int sunos_filldir(void * __buf, const char * name, int namlen, struct sunos_dirent __user *dirent; struct sunos_dirent_callback * buf = (struct sunos_dirent_callback *) __buf; int reclen = ROUND_UP(NAME_OFFSET(dirent) + namlen + 1); + u32 d_ino; buf->error = -EINVAL; /* only used if we fail.. */ if (reclen > buf->count) return -EINVAL; + d_ino = ino; + if (sizeof(d_ino) < sizeof(ino) && d_ino != ino) + return -EOVERFLOW; dirent = buf->previous; if (dirent) put_user(offset, &dirent->d_off); dirent = buf->curr; buf->previous = dirent; - put_user(ino, &dirent->d_ino); + put_user(d_ino, &dirent->d_ino); put_user(namlen, &dirent->d_namlen); put_user(reclen, &dirent->d_reclen); if (copy_to_user(dirent->d_name, name, namlen)) @@ -363,14 +367,18 @@ static int sunos_filldirentry(void * __buf, const char * name, int namlen, struct sunos_direntry_callback * buf = (struct sunos_direntry_callback *) __buf; int reclen = ROUND_UP(NAME_OFFSET(dirent) + namlen + 1); + u32 d_ino; buf->error = -EINVAL; /* only used if we fail.. */ if (reclen > buf->count) return -EINVAL; + d_ino = ino; + if (sizeof(d_ino) < sizeof(ino) && d_ino != ino) + return -EOVERFLOW; dirent = buf->previous; dirent = buf->curr; buf->previous = dirent; - put_user(ino, &dirent->d_ino); + put_user(d_ino, &dirent->d_ino); put_user(namlen, &dirent->d_namlen); put_user(reclen, &dirent->d_reclen); if (copy_to_user(dirent->d_name, name, namlen)) @@ -439,16 +447,16 @@ asmlinkage int sunos_uname(struct sunos_utsname __user *name) int ret; down_read(&uts_sem); - ret = copy_to_user(&name->sname[0], &system_utsname.sysname[0], + ret = copy_to_user(&name->sname[0], &utsname()->sysname[0], sizeof(name->sname) - 1); - ret |= copy_to_user(&name->nname[0], &system_utsname.nodename[0], + ret |= copy_to_user(&name->nname[0], &utsname()->nodename[0], sizeof(name->nname) - 1); ret |= put_user('\0', &name->nname[8]); - ret |= copy_to_user(&name->rel[0], &system_utsname.release[0], + ret |= copy_to_user(&name->rel[0], &utsname()->release[0], sizeof(name->rel) - 1); - ret |= copy_to_user(&name->ver[0], &system_utsname.version[0], + ret |= copy_to_user(&name->ver[0], &utsname()->version[0], sizeof(name->ver) - 1); - ret |= copy_to_user(&name->mach[0], &system_utsname.machine[0], + ret |= copy_to_user(&name->mach[0], &utsname()->machine[0], sizeof(name->mach) - 1); up_read(&uts_sem); return (ret ? -EFAULT : 0); diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c index ca1193482f07..00f6fc4aaaff 100644 --- a/arch/sparc64/kernel/time.c +++ b/arch/sparc64/kernel/time.c @@ -53,8 +53,6 @@ void __iomem *mstk48t02_regs = NULL; unsigned long ds1287_regs = 0UL; #endif -extern unsigned long wall_jiffies; - static void __iomem *mstk48t08_regs; static void __iomem *mstk48t59_regs; diff --git a/arch/sparc64/solaris/fs.c b/arch/sparc64/solaris/fs.c index 0f0eb6aa1c40..12a940cc791f 100644 --- a/arch/sparc64/solaris/fs.c +++ b/arch/sparc64/solaris/fs.c @@ -82,12 +82,17 @@ struct sol_stat64 { static inline int putstat(struct sol_stat __user *ubuf, struct kstat *kbuf) { + u32 ino; + if (kbuf->size > MAX_NON_LFS || !sysv_valid_dev(kbuf->dev) || !sysv_valid_dev(kbuf->rdev)) return -EOVERFLOW; + ino = kbuf->ino; + if (sizeof(ino) < sizeof(kbuf->ino) && ino != kbuf->ino) + return -EOVERFLOW; if (put_user (sysv_encode_dev(kbuf->dev), &ubuf->st_dev) || - __put_user (kbuf->ino, &ubuf->st_ino) || + __put_user (ino, &ubuf->st_ino) || __put_user (kbuf->mode, &ubuf->st_mode) || __put_user (kbuf->nlink, &ubuf->st_nlink) || __put_user (kbuf->uid, &ubuf->st_uid) || diff --git a/arch/sparc64/solaris/misc.c b/arch/sparc64/solaris/misc.c index 9c581328e76a..9ed997982f8d 100644 --- a/arch/sparc64/solaris/misc.c +++ b/arch/sparc64/solaris/misc.c @@ -249,7 +249,7 @@ asmlinkage int solaris_utssys(u32 buf, u32 flags, int which, u32 buf2) /* Let's cheat */ err = set_utsfield(v->sysname, "SunOS", 1, 0); down_read(&uts_sem); - err |= set_utsfield(v->nodename, system_utsname.nodename, + err |= set_utsfield(v->nodename, utsname()->nodename, 1, 1); up_read(&uts_sem); err |= set_utsfield(v->release, "2.6", 0, 0); @@ -273,7 +273,7 @@ asmlinkage int solaris_utsname(u32 buf) /* Why should we not lie a bit? */ down_read(&uts_sem); err = set_utsfield(v->sysname, "SunOS", 0, 0); - err |= set_utsfield(v->nodename, system_utsname.nodename, 1, 1); + err |= set_utsfield(v->nodename, utsname()->nodename, 1, 1); err |= set_utsfield(v->release, "5.6", 0, 0); err |= set_utsfield(v->version, "Generic", 0, 0); err |= set_utsfield(v->machine, machine(), 0, 0); @@ -305,7 +305,7 @@ asmlinkage int solaris_sysinfo(int cmd, u32 buf, s32 count) case SI_HOSTNAME: r = buffer + 256; down_read(&uts_sem); - for (p = system_utsname.nodename, q = buffer; + for (p = utsname()->nodename, q = buffer; q < r && *p && *p != '.'; *q++ = *p++); up_read(&uts_sem); *q = 0; |