diff options
Diffstat (limited to 'arch/ia64/ia32')
| -rw-r--r-- | arch/ia64/ia32/Makefile | 4 | ||||
| -rw-r--r-- | arch/ia64/ia32/elfcore32.h | 3 | ||||
| -rw-r--r-- | arch/ia64/ia32/ia32_entry.S | 2 | ||||
| -rw-r--r-- | arch/ia64/ia32/ia32_ioctl.c | 45 | ||||
| -rw-r--r-- | arch/ia64/ia32/ia32_signal.c | 4 | ||||
| -rw-r--r-- | arch/ia64/ia32/ia32_support.c | 4 | ||||
| -rw-r--r-- | arch/ia64/ia32/sys_ia32.c | 85 |
7 files changed, 31 insertions, 116 deletions
diff --git a/arch/ia64/ia32/Makefile b/arch/ia64/ia32/Makefile index 2ed90da8116..61cb60affd9 100644 --- a/arch/ia64/ia32/Makefile +++ b/arch/ia64/ia32/Makefile @@ -2,11 +2,9 @@ # Makefile for the ia32 kernel emulation subsystem. # -obj-y := ia32_entry.o sys_ia32.o ia32_ioctl.o ia32_signal.o \ +obj-y := ia32_entry.o sys_ia32.o ia32_signal.o \ ia32_support.o ia32_traps.o binfmt_elf32.o ia32_ldt.o -CFLAGS_ia32_ioctl.o += -Ifs/ - # Don't let GCC uses f16-f31 so that save_ia32_fpstate_live() and # restore_ia32_fpstate_live() can be sure the live register contain user-level state. CFLAGS_ia32_signal.o += -mfixed-range=f16-f31 diff --git a/arch/ia64/ia32/elfcore32.h b/arch/ia64/ia32/elfcore32.h index b73b8b6b10c..a47f63b204f 100644 --- a/arch/ia64/ia32/elfcore32.h +++ b/arch/ia64/ia32/elfcore32.h @@ -95,8 +95,7 @@ static inline void elf_core_copy_regs(elf_gregset_t *elfregs, static inline int elf_core_copy_task_regs(struct task_struct *t, elf_gregset_t* elfregs) { - struct pt_regs *pp = ia64_task_regs(t); - ELF_CORE_COPY_REGS((*elfregs), pp); + ELF_CORE_COPY_REGS((*elfregs), task_pt_regs(t)); return 1; } diff --git a/arch/ia64/ia32/ia32_entry.S b/arch/ia64/ia32/ia32_entry.S index 494fad6bf37..95fe04400f6 100644 --- a/arch/ia64/ia32/ia32_entry.S +++ b/arch/ia64/ia32/ia32_entry.S @@ -469,7 +469,7 @@ ia32_syscall_table: data8 sys32_epoll_wait data8 sys_remap_file_pages data8 sys_set_tid_address - data8 sys32_timer_create + data8 compat_sys_timer_create data8 compat_sys_timer_settime /* 260 */ data8 compat_sys_timer_gettime data8 sys_timer_getoverrun diff --git a/arch/ia64/ia32/ia32_ioctl.c b/arch/ia64/ia32/ia32_ioctl.c deleted file mode 100644 index 88739394f6d..00000000000 --- a/arch/ia64/ia32/ia32_ioctl.c +++ /dev/null @@ -1,45 +0,0 @@ -/* - * IA32 Architecture-specific ioctl shim code - * - * Copyright (C) 2000 VA Linux Co - * Copyright (C) 2000 Don Dugger <n0ano@valinux.com> - * Copyright (C) 2001-2003 Hewlett-Packard Co - * David Mosberger-Tang <davidm@hpl.hp.com> - */ - -#include <linux/signal.h> /* argh, msdos_fs.h isn't self-contained... */ -#include <linux/syscalls.h> -#include "ia32priv.h" - -#define INCLUDES -#include "compat_ioctl.c" - -#define IOCTL_NR(a) ((a) & ~(_IOC_SIZEMASK << _IOC_SIZESHIFT)) - -#define DO_IOCTL(fd, cmd, arg) ({ \ - int _ret; \ - mm_segment_t _old_fs = get_fs(); \ - \ - set_fs(KERNEL_DS); \ - _ret = sys_ioctl(fd, cmd, (unsigned long)arg); \ - set_fs(_old_fs); \ - _ret; \ -}) - -#define CODE -#include "compat_ioctl.c" - -#define COMPATIBLE_IOCTL(cmd) HANDLE_IOCTL((cmd),sys_ioctl) -#define HANDLE_IOCTL(cmd,handler) { (cmd), (ioctl_trans_handler_t)(handler), NULL }, -#define IOCTL_TABLE_START \ - struct ioctl_trans ioctl_start[] = { -#define IOCTL_TABLE_END \ - }; - -IOCTL_TABLE_START -#define DECLARES -#include "compat_ioctl.c" -#include <linux/compat_ioctl.h> -IOCTL_TABLE_END - -int ioctl_table_size = ARRAY_SIZE(ioctl_start); diff --git a/arch/ia64/ia32/ia32_signal.c b/arch/ia64/ia32/ia32_signal.c index aa891c9bc9b..5856510210f 100644 --- a/arch/ia64/ia32/ia32_signal.c +++ b/arch/ia64/ia32/ia32_signal.c @@ -255,7 +255,7 @@ save_ia32_fpstate_live (struct _fpstate_ia32 __user *save) */ fp_tos = (fsr>>11)&0x7; fr8_st_map = (8-fp_tos)&0x7; - ptp = ia64_task_regs(tsk); + ptp = task_pt_regs(tsk); fpregp = (struct _fpreg_ia32 *)(((unsigned long)buf + 15) & ~15); ia64f2ia32f(fpregp, &ptp->f8); copy_to_user(&save->_st[(0+fr8_st_map)&0x7], fpregp, sizeof(struct _fpreg_ia32)); @@ -389,7 +389,7 @@ restore_ia32_fpstate_live (struct _fpstate_ia32 __user *save) fr8_st_map = (8-fp_tos)&0x7; fpregp = (struct _fpreg_ia32 *)(((unsigned long)buf + 15) & ~15); - ptp = ia64_task_regs(tsk); + ptp = task_pt_regs(tsk); copy_from_user(fpregp, &save->_st[(0+fr8_st_map)&0x7], sizeof(struct _fpreg_ia32)); ia32f2ia64f(&ptp->f8, fpregp); copy_from_user(fpregp, &save->_st[(1+fr8_st_map)&0x7], sizeof(struct _fpreg_ia32)); diff --git a/arch/ia64/ia32/ia32_support.c b/arch/ia64/ia32/ia32_support.c index 4f630043b3a..c187743965a 100644 --- a/arch/ia64/ia32/ia32_support.c +++ b/arch/ia64/ia32/ia32_support.c @@ -58,7 +58,7 @@ load_desc (u16 selector) void ia32_load_segment_descriptors (struct task_struct *task) { - struct pt_regs *regs = ia64_task_regs(task); + struct pt_regs *regs = task_pt_regs(task); /* Setup the segment descriptors */ regs->r24 = load_desc(regs->r16 >> 16); /* ESD */ @@ -113,7 +113,7 @@ void ia32_load_state (struct task_struct *t) { unsigned long eflag, fsr, fcr, fir, fdr, tssd; - struct pt_regs *regs = ia64_task_regs(t); + struct pt_regs *regs = task_pt_regs(t); eflag = t->thread.eflag; fsr = t->thread.fsr; diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c index dc282710421..70dba1f0e2e 100644 --- a/arch/ia64/ia32/sys_ia32.c +++ b/arch/ia64/ia32/sys_ia32.c @@ -48,12 +48,13 @@ #include <linux/ptrace.h> #include <linux/stat.h> #include <linux/ipc.h> +#include <linux/capability.h> #include <linux/compat.h> #include <linux/vfs.h> #include <linux/mman.h> +#include <linux/mutex.h> #include <asm/intrinsics.h> -#include <asm/semaphore.h> #include <asm/types.h> #include <asm/uaccess.h> #include <asm/unistd.h> @@ -85,7 +86,7 @@ * while doing so. */ /* XXX make per-mm: */ -static DECLARE_MUTEX(ia32_mmap_sem); +static DEFINE_MUTEX(ia32_mmap_mutex); asmlinkage long sys32_execve (char __user *name, compat_uptr_t __user *argv, compat_uptr_t __user *envp, @@ -894,11 +895,11 @@ ia32_do_mmap (struct file *file, unsigned long addr, unsigned long len, int prot prot = get_prot32(prot); #if PAGE_SHIFT > IA32_PAGE_SHIFT - down(&ia32_mmap_sem); + mutex_lock(&ia32_mmap_mutex); { addr = emulate_mmap(file, addr, len, prot, flags, offset); } - up(&ia32_mmap_sem); + mutex_unlock(&ia32_mmap_mutex); #else down_write(¤t->mm->mmap_sem); { @@ -999,11 +1000,9 @@ sys32_munmap (unsigned int start, unsigned int len) if (start >= end) return 0; - down(&ia32_mmap_sem); - { - ret = sys_munmap(start, end - start); - } - up(&ia32_mmap_sem); + mutex_lock(&ia32_mmap_mutex); + ret = sys_munmap(start, end - start); + mutex_unlock(&ia32_mmap_mutex); #endif return ret; } @@ -1055,7 +1054,7 @@ sys32_mprotect (unsigned int start, unsigned int len, int prot) if (retval < 0) return retval; - down(&ia32_mmap_sem); + mutex_lock(&ia32_mmap_mutex); { if (offset_in_page(start)) { /* start address is 4KB aligned but not page aligned. */ @@ -1079,7 +1078,7 @@ sys32_mprotect (unsigned int start, unsigned int len, int prot) retval = sys_mprotect(start, end - start, prot); } out: - up(&ia32_mmap_sem); + mutex_unlock(&ia32_mmap_mutex); return retval; #endif } @@ -1123,11 +1122,9 @@ sys32_mremap (unsigned int addr, unsigned int old_len, unsigned int new_len, old_len = PAGE_ALIGN(old_end) - addr; new_len = PAGE_ALIGN(new_end) - addr; - down(&ia32_mmap_sem); - { - ret = sys_mremap(addr, old_len, new_len, flags, new_addr); - } - up(&ia32_mmap_sem); + mutex_lock(&ia32_mmap_mutex); + ret = sys_mremap(addr, old_len, new_len, flags, new_addr); + mutex_unlock(&ia32_mmap_mutex); if ((ret >= 0) && (old_len < new_len)) { /* mremap expanded successfully */ @@ -1481,7 +1478,7 @@ getreg (struct task_struct *child, int regno) { struct pt_regs *child_regs; - child_regs = ia64_task_regs(child); + child_regs = task_pt_regs(child); switch (regno / sizeof(int)) { case PT_EBX: return child_regs->r11; case PT_ECX: return child_regs->r9; @@ -1509,7 +1506,7 @@ putreg (struct task_struct *child, int regno, unsigned int value) { struct pt_regs *child_regs; - child_regs = ia64_task_regs(child); + child_regs = task_pt_regs(child); switch (regno / sizeof(int)) { case PT_EBX: child_regs->r11 = value; break; case PT_ECX: child_regs->r9 = value; break; @@ -1625,7 +1622,7 @@ save_ia32_fpstate (struct task_struct *tsk, struct ia32_user_i387_struct __user * Stack frames start with 16-bytes of temp space */ swp = (struct switch_stack *)(tsk->thread.ksp + 16); - ptp = ia64_task_regs(tsk); + ptp = task_pt_regs(tsk); tos = (tsk->thread.fsr >> 11) & 7; for (i = 0; i < 8; i++) put_fpreg(i, &save->st_space[i], ptp, swp, tos); @@ -1658,7 +1655,7 @@ restore_ia32_fpstate (struct task_struct *tsk, struct ia32_user_i387_struct __us * Stack frames start with 16-bytes of temp space */ swp = (struct switch_stack *)(tsk->thread.ksp + 16); - ptp = ia64_task_regs(tsk); + ptp = task_pt_regs(tsk); tos = (tsk->thread.fsr >> 11) & 7; for (i = 0; i < 8; i++) get_fpreg(i, &save->st_space[i], ptp, swp, tos); @@ -1689,7 +1686,7 @@ save_ia32_fpxstate (struct task_struct *tsk, struct ia32_user_fxsr_struct __user * Stack frames start with 16-bytes of temp space */ swp = (struct switch_stack *)(tsk->thread.ksp + 16); - ptp = ia64_task_regs(tsk); + ptp = task_pt_regs(tsk); tos = (tsk->thread.fsr >> 11) & 7; for (i = 0; i < 8; i++) put_fpreg(i, (struct _fpreg_ia32 __user *)&save->st_space[4*i], ptp, swp, tos); @@ -1733,7 +1730,7 @@ restore_ia32_fpxstate (struct task_struct *tsk, struct ia32_user_fxsr_struct __u * Stack frames start with 16-bytes of temp space */ swp = (struct switch_stack *)(tsk->thread.ksp + 16); - ptp = ia64_task_regs(tsk); + ptp = task_pt_regs(tsk); tos = (tsk->thread.fsr >> 11) & 7; for (i = 0; i < 8; i++) get_fpreg(i, (struct _fpreg_ia32 __user *)&save->st_space[4*i], ptp, swp, tos); @@ -1761,21 +1758,15 @@ sys32_ptrace (int request, pid_t pid, unsigned int addr, unsigned int data) lock_kernel(); if (request == PTRACE_TRACEME) { - ret = sys_ptrace(request, pid, addr, data); + ret = ptrace_traceme(); goto out; } - ret = -ESRCH; - read_lock(&tasklist_lock); - child = find_task_by_pid(pid); - if (child) - get_task_struct(child); - read_unlock(&tasklist_lock); - if (!child) + child = ptrace_get_task_struct(pid); + if (IS_ERR(child)) { + ret = PTR_ERR(child); goto out; - ret = -EPERM; - if (pid == 1) /* no messing around with init! */ - goto out_tsk; + } if (request == PTRACE_ATTACH) { ret = sys_ptrace(request, pid, addr, data); @@ -2559,34 +2550,6 @@ sys32_get_thread_area (struct ia32_user_desc __user *u_info) return 0; } -asmlinkage long -sys32_timer_create(u32 clock, struct compat_sigevent __user *se32, timer_t __user *timer_id) -{ - struct sigevent se; - mm_segment_t oldfs; - timer_t t; - long err; - - if (se32 == NULL) - return sys_timer_create(clock, NULL, timer_id); - - if (get_compat_sigevent(&se, se32)) - return -EFAULT; - - if (!access_ok(VERIFY_WRITE,timer_id,sizeof(timer_t))) - return -EFAULT; - - oldfs = get_fs(); - set_fs(KERNEL_DS); - err = sys_timer_create(clock, (struct sigevent __user *) &se, (timer_t __user *) &t); - set_fs(oldfs); - - if (!err) - err = __put_user (t, timer_id); - - return err; -} - long sys32_fadvise64_64(int fd, __u32 offset_low, __u32 offset_high, __u32 len_low, __u32 len_high, int advice) { |