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authorRoland McGrath <roland@redhat.com>2008-04-19 15:37:09 -0700
committerRoland McGrath <roland@redhat.com>2008-07-26 14:38:04 -0700
commit4dfcbb997aa9f3a6a3ed8c192f0dac28b027e08f (patch)
treedb9c329002f21088126f8530ea7ea831f0ccc114 /arch
parent68bd0f4ef7750fc277e1268bf40f443898382409 (diff)
x86 signals: use asm/syscall.h
Replace local inlines with the asm/syscall.h interfaces that do the same things. Signed-off-by: Roland McGrath <roland@redhat.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/signal_64.c38
1 files changed, 5 insertions, 33 deletions
diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c
index 3beb2db88c5..cb7cf0216ab 100644
--- a/arch/x86/kernel/signal_64.c
+++ b/arch/x86/kernel/signal_64.c
@@ -27,6 +27,7 @@
#include <asm/proto.h>
#include <asm/ia32_unistd.h>
#include <asm/mce.h>
+#include <asm/syscall.h>
#include "sigframe.h"
#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
@@ -347,35 +348,6 @@ give_sigsegv:
}
/*
- * Return -1L or the syscall number that @regs is executing.
- */
-static long current_syscall(struct pt_regs *regs)
-{
- /*
- * We always sign-extend a -1 value being set here,
- * so this is always either -1L or a syscall number.
- */
- return regs->orig_ax;
-}
-
-/*
- * Return a value that is -EFOO if the system call in @regs->orig_ax
- * returned an error. This only works for @regs from @current.
- */
-static long current_syscall_ret(struct pt_regs *regs)
-{
-#ifdef CONFIG_IA32_EMULATION
- if (test_thread_flag(TIF_IA32))
- /*
- * Sign-extend the value so (int)-EFOO becomes (long)-EFOO
- * and will match correctly in comparisons.
- */
- return (int) regs->ax;
-#endif
- return regs->ax;
-}
-
-/*
* OK, we're invoking a handler
*/
@@ -386,9 +358,9 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
int ret;
/* Are we from a system call? */
- if (current_syscall(regs) >= 0) {
+ if (syscall_get_nr(current, regs) >= 0) {
/* If so, check system call restarting.. */
- switch (current_syscall_ret(regs)) {
+ switch (syscall_get_error(current, regs)) {
case -ERESTART_RESTARTBLOCK:
case -ERESTARTNOHAND:
regs->ax = -EINTR;
@@ -511,9 +483,9 @@ static void do_signal(struct pt_regs *regs)
}
/* Did we come from a system call? */
- if (current_syscall(regs) >= 0) {
+ if (syscall_get_nr(current, regs) >= 0) {
/* Restart the system call - no handlers present */
- switch (current_syscall_ret(regs)) {
+ switch (syscall_get_error(current, regs)) {
case -ERESTARTNOHAND:
case -ERESTARTSYS:
case -ERESTARTNOINTR: