FRV: Implement new-style ptrace

Implement the new-style ptrace for FRV, including adding appropriate
tracehooks.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 5 insertions, 7 deletions

diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S
index 268dfbddee3b..356e0e327a89 100644
--- a/arch/frv/kernel/entry.S
+++ b/arch/frv/kernel/entry.S
@@ -1149,11 +1149,10 @@ __entry_work_notifysig:
         # perform syscall entry tracing
 __syscall_trace_entry:
         LEDS            0x6320
-        setlos.p        #0,gr8
-        call            do_syscall_trace
+        call            syscall_trace_entry
 
-        ldi             @(gr28,#REG_SYSCALLNO),gr7
-        lddi            @(gr28,#REG_GR(8)) ,gr8
+        lddi.p          @(gr28,#REG_GR(8)) ,gr8
+        ori             gr8,#0,gr7              ; syscall_trace_entry() returned new syscallno
         lddi            @(gr28,#REG_GR(10)),gr10
         lddi.p          @(gr28,#REG_GR(12)),gr12
 
@@ -1168,11 +1167,10 @@ __syscall_exit_work:
         beq             icc0,#1,__entry_work_pending
 
         movsg           psr,gr23
-        andi            gr23,#~PSR_PIL,gr23     ; could let do_syscall_trace() call schedule()
+        andi            gr23,#~PSR_PIL,gr23     ; could let syscall_trace_exit() call schedule()
         movgs           gr23,psr
 
-        setlos.p        #1,gr8
-        call            do_syscall_trace
+        call            syscall_trace_exit
         bra             __entry_resume_userspace
 
 __syscall_badsys: