@@ -6,6 +6,16 @@
#define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */
#ifndef __ASSEMBLY__
+
+#if defined(CONFIG_FTRACE_SYSCALLS) && defined(CONFIG_COMPAT)
+#include <asm/compat.h>
+
+#define ARCH_COMPAT_SYSCALL_NUMBERS_OVERLAP 1
+static inline bool arch_trace_is_compat_syscall(struct pt_regs *regs)
+{
+ return in_compat_syscall();
+}
+#endif /* CONFIG_FTRACE_SYSCALLS && CONFIG_COMPAT */
void _mcount(void);
#endif
@@ -93,6 +93,7 @@ obj-$(CONFIG_KGDB) += kgdb_$(BITS).o
obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o
+obj-$(CONFIG_FTRACE_SYSCALLS) += ftrace.o
obj-$(CONFIG_EARLYFB) += btext.o
obj-$(CONFIG_STACKTRACE) += stacktrace.o
@@ -145,3 +145,17 @@ unsigned long prepare_ftrace_return(unsigned long parent,
return return_hooker;
}
#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
+
+#if (defined CONFIG_FTRACE_SYSCALLS) && (defined CONFIG_COMPAT)
+extern const unsigned int sys_call_table[];
+extern const unsigned int sys_call_table32[];
+
+unsigned long __init arch_syscall_addr(int nr, bool compat)
+{
+ if (compat)
+ return (unsigned long)sys_call_table32[nr];
+
+ return (unsigned long)sys_call_table[nr];
+}
+
+#endif /* CONFIG_FTRACE_SYSCALLS && CONFIG_COMPAT */
Add missing arch code - arch_trace_is_compat_syscall and arch_syscall_addr Signed-off-by: Marcin Nowakowski <marcin.nowakowski@imgtec.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: sparclinux@vger.kernel.org --- arch/sparc/include/asm/ftrace.h | 10 ++++++++++ arch/sparc/kernel/Makefile | 1 + arch/sparc/kernel/ftrace.c | 14 ++++++++++++++ 3 files changed, 25 insertions(+)