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-rw-r--r--arch/xtensa/include/asm/ptrace.h5
-rw-r--r--arch/xtensa/include/asm/syscall.h3
-rw-r--r--arch/xtensa/include/asm/thread_info.h5
-rw-r--r--arch/xtensa/include/asm/unistd.h2
4 files changed, 14 insertions, 1 deletions
diff --git a/arch/xtensa/include/asm/ptrace.h b/arch/xtensa/include/asm/ptrace.h
index f1b1de526d1d..62a58d2567e9 100644
--- a/arch/xtensa/include/asm/ptrace.h
+++ b/arch/xtensa/include/asm/ptrace.h
@@ -102,6 +102,11 @@ struct pt_regs {
#define user_stack_pointer(regs) ((regs)->areg[1])
+static inline unsigned long regs_return_value(struct pt_regs *regs)
+{
+ return regs->areg[2];
+}
+
#else /* __ASSEMBLY__ */
# include <asm/asm-offsets.h>
diff --git a/arch/xtensa/include/asm/syscall.h b/arch/xtensa/include/asm/syscall.h
index e47470ec8ea8..a168bf81c7f4 100644
--- a/arch/xtensa/include/asm/syscall.h
+++ b/arch/xtensa/include/asm/syscall.h
@@ -19,6 +19,9 @@ static inline int syscall_get_arch(void)
return AUDIT_ARCH_XTENSA;
}
+typedef void (*syscall_t)(void);
+extern syscall_t sys_call_table[];
+
static inline long syscall_get_nr(struct task_struct *task,
struct pt_regs *regs)
{
diff --git a/arch/xtensa/include/asm/thread_info.h b/arch/xtensa/include/asm/thread_info.h
index c823dddfebdf..f333f10a7650 100644
--- a/arch/xtensa/include/asm/thread_info.h
+++ b/arch/xtensa/include/asm/thread_info.h
@@ -106,6 +106,7 @@ static inline struct thread_info *current_thread_info(void)
#define TIF_SIGPENDING 1 /* signal pending */
#define TIF_NEED_RESCHED 2 /* rescheduling necessary */
#define TIF_SINGLESTEP 3 /* restore singlestep on return to user mode */
+#define TIF_SYSCALL_TRACEPOINT 4 /* syscall tracepoint instrumentation */
#define TIF_MEMDIE 5 /* is terminating due to OOM killer */
#define TIF_RESTORE_SIGMASK 6 /* restore signal mask in do_signal() */
#define TIF_NOTIFY_RESUME 7 /* callback before returning to user */
@@ -115,8 +116,10 @@ static inline struct thread_info *current_thread_info(void)
#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
#define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP)
+#define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT)
-#define _TIF_WORK_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP)
+#define _TIF_WORK_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \
+ _TIF_SYSCALL_TRACEPOINT)
/*
* Thread-synchronous status.
diff --git a/arch/xtensa/include/asm/unistd.h b/arch/xtensa/include/asm/unistd.h
index 574e5520968c..0d34629dafc5 100644
--- a/arch/xtensa/include/asm/unistd.h
+++ b/arch/xtensa/include/asm/unistd.h
@@ -22,4 +22,6 @@
#define __IGNORE_vfork /* use clone */
#define __IGNORE_fadvise64 /* use fadvise64_64 */
+#define NR_syscalls __NR_syscalls
+
#endif /* _XTENSA_UNISTD_H */
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