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[PARISC] Add is_compat_task() helper

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... And convert signal.c and ptrace.c to use it instead of open
coded equivalents.

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
This commit is contained in:
Kyle McMartin 2006-06-16 19:10:02 +00:00 • committed by Kyle McMartin
commit a3ea84faba
3 changed files with 25 additions and 14 deletions
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8
arch/parisc/kernel/ptrace.c
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@ -91,7 +91,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
int copied;
#ifdef __LP64__
if (personality(child->personality) == PER_LINUX32) {
if (__is_compat_task(child)) {
unsigned int tmp;
addr &= 0xffffffffL;
@ -123,7 +123,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
case PTRACE_POKEDATA:
ret = 0;
#ifdef __LP64__
if (personality(child->personality) == PER_LINUX32) {
if (__is_compat_task(child)) {
unsigned int tmp = (unsigned int)data;
DBG("sys_ptrace(POKE%s, %d, %lx, %lx)\n",
request == PTRACE_POKETEXT ? "TEXT" : "DATA",
@ -146,7 +146,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
case PTRACE_PEEKUSR: {
ret = -EIO;
#ifdef __LP64__
if (personality(child->personality) == PER_LINUX32) {
if (__is_compat_task(child)) {
unsigned int tmp;
if (addr & (sizeof(int)-1))
@ -205,7 +205,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
goto out_tsk;
}
#ifdef __LP64__
if (personality(child->personality) == PER_LINUX32) {
if (__is_compat_task(child)) {
if (addr & (sizeof(int)-1))
goto out_tsk;
if ((addr = translate_usr_offset(addr)) < 0)