- case PTRACE_PEEKUSR: {
- unsigned long tmp;
-
- 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];
-#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);
-#endif
- } 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;
- 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_PEEKUSR:
+ if (addr & 3)
+ goto out_eio;
+ addr >>= 2; /* temporary hack. */
+
+ if (addr >= 0 && 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];
+ /* Convert internal fpu reg representation
+ * into long double format
+ */
+ if (FPU_IS_EMU && (addr < 45) && !(addr % 3))
+ tmp = ((tmp & 0xffff0000) << 15) |
+ ((tmp & 0x0000ffff) << 16);
+ } else