Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  sparc: We need to implement arch_ptrace_stop().

2 files changed, 19 insertions, 0 deletions

diff --git a/arch/sparc/include/asm/ptrace_32.h b/arch/sparc/include/asm/ptrace_32.h
index d409c4f21a5..4cef450167d 100644
--- a/arch/sparc/include/asm/ptrace_32.h
+++ b/arch/sparc/include/asm/ptrace_32.h
@@ -62,6 +62,8 @@ struct sparc_stackf {
 
 #ifdef __KERNEL__
 
+#include <asm/system.h>
+
 static inline bool pt_regs_is_syscall(struct pt_regs *regs)
 {
 	return (regs->psr & PSR_SYSCALL);
@@ -72,6 +74,14 @@ static inline bool pt_regs_clear_syscall(struct pt_regs *regs)
 	return (regs->psr &= ~PSR_SYSCALL);
 }
 
+#define arch_ptrace_stop_needed(exit_code, info) \
+({	flush_user_windows(); \
+	current_thread_info()->w_saved != 0;	\
+})
+
+#define arch_ptrace_stop(exit_code, info) \
+	synchronize_user_stack()
+
 #define user_mode(regs) (!((regs)->psr & PSR_PS))
 #define instruction_pointer(regs) ((regs)->pc)
 #define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP])
diff --git a/arch/sparc/include/asm/ptrace_64.h b/arch/sparc/include/asm/ptrace_64.h
index 84e969f06af..cd6fbfc2043 100644
--- a/arch/sparc/include/asm/ptrace_64.h
+++ b/arch/sparc/include/asm/ptrace_64.h
@@ -114,6 +114,7 @@ struct sparc_trapf {
 #ifdef __KERNEL__
 
 #include <linux/threads.h>
+#include <asm/system.h>
 
 static inline int pt_regs_trap_type(struct pt_regs *regs)
 {
@@ -130,6 +131,14 @@ static inline bool pt_regs_clear_syscall(struct pt_regs *regs)
 	return (regs->tstate &= ~TSTATE_SYSCALL);
 }
 
+#define arch_ptrace_stop_needed(exit_code, info) \
+({	flush_user_windows(); \
+	get_thread_wsaved() != 0; \
+})
+
+#define arch_ptrace_stop(exit_code, info) \
+	synchronize_user_stack()
+
 struct global_reg_snapshot {
 	unsigned long		tstate;
 	unsigned long		tpc;