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authorKyle McMartin <kyle@parisc-linux.org>2006-06-16 19:10:02 +0000
committerKyle McMartin <kyle@hera.kernel.org>2006-06-27 23:28:40 +0000
commita3ea84fabacd9cc5bcc3fda67c35e692ca10dc8c (patch)
tree4de45b002abf5873fc5b19b90f2637e97b663899 /arch/parisc
parentd71624c95a231873ec3727ee9bff7b68e692de70 (diff)
downloadop-kernel-dev-a3ea84fabacd9cc5bcc3fda67c35e692ca10dc8c.zip
op-kernel-dev-a3ea84fabacd9cc5bcc3fda67c35e692ca10dc8c.tar.gz
[PARISC] Add is_compat_task() helper
... And convert signal.c and ptrace.c to use it instead of open coded equivalents. Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Diffstat (limited to 'arch/parisc')
-rw-r--r--arch/parisc/kernel/ptrace.c8
-rw-r--r--arch/parisc/kernel/signal.c20
2 files changed, 14 insertions, 14 deletions
diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index 413292f..3f28de9 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -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)
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index cc38edf..bb83880 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -76,7 +76,7 @@ sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize, struct pt_regs *r
#ifdef __LP64__
compat_sigset_t newset32;
- if(personality(current->personality) == PER_LINUX32){
+ if (is_compat_task()) {
/* XXX: Don't preclude handling different sized sigset_t's. */
if (sigsetsize != sizeof(compat_sigset_t))
return -EINVAL;
@@ -153,7 +153,7 @@ sys_rt_sigreturn(struct pt_regs *regs, int in_syscall)
compat_sigset_t compat_set;
struct compat_rt_sigframe __user * compat_frame;
- if(personality(current->personality) == PER_LINUX32)
+ if (is_compat_task())
sigframe_size = PARISC_RT_SIGFRAME_SIZE32;
#endif
@@ -166,7 +166,7 @@ sys_rt_sigreturn(struct pt_regs *regs, int in_syscall)
#ifdef __LP64__
compat_frame = (struct compat_rt_sigframe __user *)frame;
- if(personality(current->personality) == PER_LINUX32){
+ if (is_compat_task()) {
DBG(2,"sys_rt_sigreturn: ELF32 process.\n");
if (__copy_from_user(&compat_set, &compat_frame->uc.uc_sigmask, sizeof(compat_set)))
goto give_sigsegv;
@@ -186,7 +186,7 @@ sys_rt_sigreturn(struct pt_regs *regs, int in_syscall)
/* Good thing we saved the old gr[30], eh? */
#ifdef __LP64__
- if(personality(current->personality) == PER_LINUX32){
+ if (is_compat_task()) {
DBG(1,"sys_rt_sigreturn: compat_frame->uc.uc_mcontext 0x%p\n",
&compat_frame->uc.uc_mcontext);
// FIXME: Load upper half from register file
@@ -315,7 +315,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
compat_frame = (struct compat_rt_sigframe __user *)frame;
- if(personality(current->personality) == PER_LINUX32) {
+ if (is_compat_task()) {
DBG(1,"setup_rt_frame: frame->info = 0x%p\n", &compat_frame->info);
err |= copy_siginfo_to_user32(&compat_frame->info, info);
DBG(1,"SETUP_RT_FRAME: 1\n");
@@ -392,7 +392,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
haddr = A(ka->sa.sa_handler);
/* The sa_handler may be a pointer to a function descriptor */
#ifdef __LP64__
- if(personality(current->personality) == PER_LINUX32) {
+ if (is_compat_task()) {
#endif
if (haddr & PA_PLABEL_FDESC) {
Elf32_Fdesc fdesc;
@@ -427,19 +427,19 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
*/
sigframe_size = PARISC_RT_SIGFRAME_SIZE;
#ifdef __LP64__
- if(personality(current->personality) == PER_LINUX32)
+ if (is_compat_task())
sigframe_size = PARISC_RT_SIGFRAME_SIZE32;
#endif
if (in_syscall) {
regs->gr[31] = haddr;
#ifdef __LP64__
- if(personality(current->personality) == PER_LINUX)
+ if (personality(current->personality) == PER_LINUX)
sigframe_size |= 1;
#endif
} else {
unsigned long psw = USER_PSW;
#ifdef __LP64__
- if(personality(current->personality) == PER_LINUX)
+ if (personality(current->personality) == PER_LINUX)
psw |= PSW_W;
#endif
@@ -464,7 +464,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
regs->gr[26] = sig; /* signal number */
#ifdef __LP64__
- if(personality(current->personality) == PER_LINUX32){
+ if (is_compat_task()) {
regs->gr[25] = A(&compat_frame->info); /* siginfo pointer */
regs->gr[24] = A(&compat_frame->uc); /* ucontext pointer */
} else
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