[PATCH] m68k: indent sys_ptrace
authorRoman Zippel <zippel@linux-m68k.org>
Sat, 3 Sep 2005 22:57:07 +0000 (15:57 -0700)
committerLinus Torvalds <torvalds@evo.osdl.org>
Mon, 5 Sep 2005 07:06:18 +0000 (00:06 -0700)
This reformats and properly indents sys_ptrace (only whitespace changes).

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
arch/m68k/kernel/ptrace.c

index f4e1e5e..9bb25ea 100644 (file)
@@ -95,7 +95,7 @@ static inline int put_reg(struct task_struct *task, int regno,
        if (regno == PT_USP)
                addr = &task->thread.usp;
        else if (regno < sizeof(regoff)/sizeof(regoff[0]))
-               addr = (unsigned long *) (task->thread.esp0 + regoff[regno]);
+               addr = (unsigned long *)(task->thread.esp0 + regoff[regno]);
        else
                return -1;
        *addr = data;
@@ -157,216 +157,215 @@ asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
 
        switch (request) {
        /* when I and D space are separate, these will need to be fixed. */
-               case PTRACE_PEEKTEXT: /* read word at location addr. */
-               case PTRACE_PEEKDATA: {
-                       unsigned long tmp;
-                       int copied;
-
-                       copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0);
-                       ret = -EIO;
-                       if (copied != sizeof(tmp))
-                               break;
-                       ret = put_user(tmp,(unsigned long *) data);
+       case PTRACE_PEEKTEXT:   /* read word at location addr. */
+       case PTRACE_PEEKDATA: {
+               unsigned long tmp;
+               int copied;
+
+               copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0);
+               ret = -EIO;
+               if (copied != sizeof(tmp))
                        break;
-               }
+               ret = put_user(tmp, (unsigned long *)data);
+               break;
+       }
 
        /* read the word at location addr in the USER area. */
-               case PTRACE_PEEKUSR: {
-                       unsigned long tmp;
+       case PTRACE_PEEKUSR: {
+               unsigned long tmp;
 
-                       ret = -EIO;
-                       if ((addr & 3) || addr < 0 ||
-                           addr > sizeof(struct user) - 3)
-                               break;
+               ret = -EIO;
+               if ((addr & 3) || addr < 0 ||
+                   addr > sizeof(struct user) - 3)
+                       break;
 
-                       tmp = 0;  /* Default return condition */
-                       addr = addr >> 2; /* temporary hack. */
-                       ret = -EIO;
-                       if (addr < 19) {
-                               tmp = get_reg(child, addr);
-                               if (addr == PT_SR)
-                                       tmp >>= 16;
-                       } else if (addr >= 21 && addr < 49) {
-                               tmp = child->thread.fp[addr - 21];
+               tmp = 0;  /* Default return condition */
+               addr = addr >> 2; /* temporary hack. */
+               ret = -EIO;
+               if (addr < 19) {
+                       tmp = get_reg(child, addr);
+                       if (addr == PT_SR)
+                               tmp >>= 16;
+               } else if (addr >= 21 && addr < 49) {
+                       tmp = child->thread.fp[addr - 21];
 #ifdef CONFIG_M68KFPU_EMU
-                               /* Convert internal fpu reg representation
-                                * into long double format
-                                */
-                               if (FPU_IS_EMU && (addr < 45) && !(addr % 3))
-                                       tmp = ((tmp & 0xffff0000) << 15) |
-                                             ((tmp & 0x0000ffff) << 16);
+                       /* Convert internal fpu reg representation
+                        * into long double format
+                        */
+                       if (FPU_IS_EMU && (addr < 45) && !(addr % 3))
+                               tmp = ((tmp & 0xffff0000) << 15) |
+                                     ((tmp & 0x0000ffff) << 16);
 #endif
-                       } else
-                               break;
-                       ret = put_user(tmp,(unsigned long *) data);
+               } else
                        break;
-               }
+               ret = put_user(tmp, (unsigned long *)data);
+               break;
+       }
 
-      /* when I and D space are separate, this will have to be fixed. */
-               case PTRACE_POKETEXT: /* write the word at location addr. */
-               case PTRACE_POKEDATA:
-                       ret = 0;
-                       if (access_process_vm(child, addr, &data, sizeof(data), 1) == sizeof(data))
-                               break;
-                       ret = -EIO;
+       /* when I and D space are separate, this will have to be fixed. */
+       case PTRACE_POKETEXT:   /* write the word at location addr. */
+       case PTRACE_POKEDATA:
+               ret = 0;
+               if (access_process_vm(child, addr, &data, sizeof(data), 1) == sizeof(data))
                        break;
+               ret = -EIO;
+               break;
 
-               case PTRACE_POKEUSR: /* write the word at location addr in the USER area */
-                       ret = -EIO;
-                       if ((addr & 3) || addr < 0 ||
-                           addr > sizeof(struct user) - 3)
-                               break;
-
-                       addr = addr >> 2; /* temporary hack. */
-
-                       if (addr == PT_SR) {
-                               data &= SR_MASK;
-                               data <<= 16;
-                               data |= get_reg(child, PT_SR) & ~(SR_MASK << 16);
-                       }
-                       if (addr < 19) {
-                               if (put_reg(child, addr, data))
-                                       break;
-                               ret = 0;
-                               break;
-                       }
-                       if (addr >= 21 && addr < 48)
-                       {
-#ifdef CONFIG_M68KFPU_EMU
-                               /* Convert long double format
-                                * into internal fpu reg representation
-                                */
-                               if (FPU_IS_EMU && (addr < 45) && !(addr % 3)) {
-                                       data = (unsigned long)data << 15;
-                                       data = (data & 0xffff0000) |
-                                              ((data & 0x0000ffff) >> 1);
-                               }
-#endif
-                               child->thread.fp[addr - 21] = data;
-                               ret = 0;
-                       }
+       case PTRACE_POKEUSR:    /* write the word at location addr in the USER area */
+               ret = -EIO;
+               if ((addr & 3) || addr < 0 ||
+                   addr > sizeof(struct user) - 3)
                        break;
 
-               case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
-               case PTRACE_CONT: { /* restart after signal. */
-                       long tmp;
+               addr = addr >> 2; /* temporary hack. */
 
-                       ret = -EIO;
-                       if (!valid_signal(data))
+               if (addr == PT_SR) {
+                       data &= SR_MASK;
+                       data <<= 16;
+                       data |= get_reg(child, PT_SR) & ~(SR_MASK << 16);
+               }
+               if (addr < 19) {
+                       if (put_reg(child, addr, data))
                                break;
-                       if (request == PTRACE_SYSCALL) {
-                                       child->thread.work.syscall_trace = ~0;
-                       } else {
-                                       child->thread.work.syscall_trace = 0;
-                       }
-                       child->exit_code = data;
-                       /* make sure the single step bit is not set. */
-                       tmp = get_reg(child, PT_SR) & ~(TRACE_BITS << 16);
-                       put_reg(child, PT_SR, tmp);
-                       child->thread.work.delayed_trace = 0;
-                       wake_up_process(child);
                        ret = 0;
                        break;
                }
-
-/*
- * make the child exit.  Best I can do is send it a sigkill.
- * perhaps it should be put in the status that it wants to
- * exit.
- */
-               case PTRACE_KILL: {
-                       long tmp;
-
+               if (addr >= 21 && addr < 48) {
+#ifdef CONFIG_M68KFPU_EMU
+                       /* Convert long double format
+                        * into internal fpu reg representation
+                        */
+                       if (FPU_IS_EMU && (addr < 45) && !(addr % 3)) {
+                               data = (unsigned long)data << 15;
+                               data = (data & 0xffff0000) |
+                                      ((data & 0x0000ffff) >> 1);
+                       }
+#endif
+                       child->thread.fp[addr - 21] = data;
                        ret = 0;
-                       if (child->exit_state == EXIT_ZOMBIE) /* already dead */
-                               break;
-                       child->exit_code = SIGKILL;
-       /* make sure the single step bit is not set. */
-                       tmp = get_reg(child, PT_SR) & ~(TRACE_BITS << 16);
-                       put_reg(child, PT_SR, tmp);
-                       child->thread.work.delayed_trace = 0;
-                       wake_up_process(child);
-                       break;
                }
+               break;
 
-               case PTRACE_SINGLESTEP: {  /* set the trap flag. */
-                       long tmp;
+       case PTRACE_SYSCALL:    /* continue and stop at next (return from) syscall */
+       case PTRACE_CONT: {     /* restart after signal. */
+               long tmp;
 
-                       ret = -EIO;
-                       if (!valid_signal(data))
-                               break;
+               ret = -EIO;
+               if (!valid_signal(data))
+                       break;
+               if (request == PTRACE_SYSCALL) {
+                       child->thread.work.syscall_trace = ~0;
+               } else {
                        child->thread.work.syscall_trace = 0;
-                       tmp = get_reg(child, PT_SR) | (TRACE_BITS << 16);
-                       put_reg(child, PT_SR, tmp);
-                       child->thread.work.delayed_trace = 1;
+               }
+               child->exit_code = data;
+               /* make sure the single step bit is not set. */
+               tmp = get_reg(child, PT_SR) & ~(TRACE_BITS << 16);
+               put_reg(child, PT_SR, tmp);
+               child->thread.work.delayed_trace = 0;
+               wake_up_process(child);
+               ret = 0;
+               break;
+       }
 
-                       child->exit_code = data;
-       /* give it a chance to run. */
-                       wake_up_process(child);
-                       ret = 0;
+       /*
+        * make the child exit.  Best I can do is send it a sigkill.
+        * perhaps it should be put in the status that it wants to
+        * exit.
+        */
+       case PTRACE_KILL: {
+               long tmp;
+
+               ret = 0;
+               if (child->exit_state == EXIT_ZOMBIE) /* already dead */
                        break;
-               }
+               child->exit_code = SIGKILL;
+               /* make sure the single step bit is not set. */
+               tmp = get_reg(child, PT_SR) & ~(TRACE_BITS << 16);
+               put_reg(child, PT_SR, tmp);
+               child->thread.work.delayed_trace = 0;
+               wake_up_process(child);
+               break;
+       }
+
+       case PTRACE_SINGLESTEP: {  /* set the trap flag. */
+               long tmp;
 
-               case PTRACE_DETACH:     /* detach a process that was attached. */
-                       ret = ptrace_detach(child, data);
+               ret = -EIO;
+               if (!valid_signal(data))
                        break;
+               child->thread.work.syscall_trace = 0;
+               tmp = get_reg(child, PT_SR) | (TRACE_BITS << 16);
+               put_reg(child, PT_SR, tmp);
+               child->thread.work.delayed_trace = 1;
+
+               child->exit_code = data;
+               /* give it a chance to run. */
+               wake_up_process(child);
+               ret = 0;
+               break;
+       }
+
+       case PTRACE_DETACH:     /* detach a process that was attached. */
+               ret = ptrace_detach(child, data);
+               break;
 
-               case PTRACE_GETREGS: { /* Get all gp regs from the child. */
-                       int i;
-                       unsigned long tmp;
-                       for (i = 0; i < 19; i++) {
-                           tmp = get_reg(child, i);
-                           if (i == PT_SR)
+       case PTRACE_GETREGS: { /* Get all gp regs from the child. */
+               int i;
+               unsigned long tmp;
+               for (i = 0; i < 19; i++) {
+                       tmp = get_reg(child, i);
+                       if (i == PT_SR)
                                tmp >>= 16;
-                           if (put_user(tmp, (unsigned long *) data)) {
+                       if (put_user(tmp, (unsigned long *)data)) {
                                ret = -EFAULT;
                                break;
-                           }
-                           data += sizeof(long);
                        }
-                       ret = 0;
-                       break;
+                       data += sizeof(long);
                }
+               ret = 0;
+               break;
+       }
 
-               case PTRACE_SETREGS: { /* Set all gp regs in the child. */
-                       int i;
-                       unsigned long tmp;
-                       for (i = 0; i < 19; i++) {
-                           if (get_user(tmp, (unsigned long *) data)) {
+       case PTRACE_SETREGS: { /* Set all gp regs in the child. */
+               int i;
+               unsigned long tmp;
+               for (i = 0; i < 19; i++) {
+                       if (get_user(tmp, (unsigned long *)data)) {
                                ret = -EFAULT;
                                break;
-                           }
-                           if (i == PT_SR) {
+                       }
+                       if (i == PT_SR) {
                                tmp &= SR_MASK;
                                tmp <<= 16;
                                tmp |= get_reg(child, PT_SR) & ~(SR_MASK << 16);
-                           }
-                           put_reg(child, i, tmp);
-                           data += sizeof(long);
                        }
-                       ret = 0;
-                       break;
+                       put_reg(child, i, tmp);
+                       data += sizeof(long);
                }
+               ret = 0;
+               break;
+       }
 
-               case PTRACE_GETFPREGS: { /* Get the child FPU state. */
-                       ret = 0;
-                       if (copy_to_user((void *)data, &child->thread.fp,
-                                        sizeof(struct user_m68kfp_struct)))
-                               ret = -EFAULT;
-                       break;
-               }
+       case PTRACE_GETFPREGS: { /* Get the child FPU state. */
+               ret = 0;
+               if (copy_to_user((void *)data, &child->thread.fp,
+                                sizeof(struct user_m68kfp_struct)))
+                       ret = -EFAULT;
+               break;
+       }
 
-               case PTRACE_SETFPREGS: { /* Set the child FPU state. */
-                       ret = 0;
-                       if (copy_from_user(&child->thread.fp, (void *)data,
-                                          sizeof(struct user_m68kfp_struct)))
-                               ret = -EFAULT;
-                       break;
-               }
+       case PTRACE_SETFPREGS: { /* Set the child FPU state. */
+               ret = 0;
+               if (copy_from_user(&child->thread.fp, (void *)data,
+                                  sizeof(struct user_m68kfp_struct)))
+                       ret = -EFAULT;
+               break;
+       }
 
-               default:
-                       ret = ptrace_request(child, request, addr, data);
-                       break;
+       default:
+               ret = ptrace_request(child, request, addr, data);
+               break;
        }
 out_tsk:
        put_task_struct(child);