[PATCH] FRV: Introduce asm-offsets for FRV arch

Introduce the use of asm-offsets into the FRV architecture.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 19 insertions, 15 deletions

diff --git a/arch/frv/kernel/break.S b/arch/frv/kernel/break.S
index ea161f0ca427..dac4a5f68c2e 100644
--- a/arch/frv/kernel/break.S
+++ b/arch/frv/kernel/break.S
@@ -9,11 +9,11 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-#include <linux/sys.h>
 #include <linux/linkage.h>
 #include <asm/setup.h>
 #include <asm/segment.h>
 #include <asm/ptrace.h>
+#include <asm/thread_info.h>
 #include <asm/spr-regs.h>
 
 #include <asm/errno.h>
@@ -23,13 +23,11 @@
 #
         .section        .bss.stack
         .globl          __break_user_context
-        .balign         8192
+        .balign         THREAD_SIZE
 __break_stack:
-        .space          (8192 - (USER_CONTEXT_SIZE + REG__DEBUG_XTRA)) & ~7
-__break_stack_tos:
-        .space          REG__DEBUG_XTRA
-__break_user_context:
-        .space          USER_CONTEXT_SIZE
+        .space          THREAD_SIZE - FRV_FRAME0_SIZE
+__break_frame_0:
+        .space          FRV_FRAME0_SIZE
 
 #
 # miscellaneous variables
@@ -74,8 +72,8 @@ __entry_break:
 #endif
         LEDS            0x1001,gr31
 
-        sethi.p         %hi(__break_user_context),gr31
-        setlo           %lo(__break_user_context),gr31
+        sethi.p         %hi(__break_frame_0),gr31
+        setlo           %lo(__break_frame_0),gr31
 
         stdi            gr2,@(gr31,#REG_GR(2))
         movsg           ccr,gr3
@@ -585,8 +583,8 @@ __break_continue:
         # set up the kernel stack pointer
         sti             sp,@(gr31,#REG_SP)
 
-        sethi.p         %hi(__break_stack_tos),sp
-        setlo           %lo(__break_stack_tos),sp
+        sethi.p         %hi(__break_frame_0),sp
+        setlo           %lo(__break_frame_0),sp
 
         # finish building the exception frame
         stdi            gr4 ,@(gr31,#REG_GR(4))
@@ -651,9 +649,12 @@ __break_continue:
         movsg           nmar,gr5
         movsg           dcr,gr6
 
-        stdi            gr4 ,@(gr31,#REG_BRR)
-        sti             gr19,@(gr31,#REG_BPSR)
-        sti.p           gr6 ,@(gr31,#REG_DCR)
+        sethi.p         %hi(__debug_status),gr7
+        setlo           %lo(__debug_status),gr7
+
+        stdi            gr4 ,@(gr7,#DEBUG_BRR)
+        sti             gr19,@(gr7,#DEBUG_BPSR)
+        sti.p           gr6 ,@(gr7,#DEBUG_DCR)
 
         # trap exceptions during break handling and disable h/w breakpoints/watchpoints
         sethi           %hi(DCR_EBE),gr5
@@ -698,7 +699,10 @@ __break_continue:
         lddi            @(gr31,#REG_PSR) ,gr22
         ldi             @(gr31,#REG_PC)  ,gr21
         ldi             @(gr31,#REG_TBR) ,gr20
-        ldi.p           @(gr31,#REG_DCR) ,gr6
+
+        sethi.p         %hi(__debug_status),gr6
+        setlo           %lo(__debug_status),gr6
+        ldi.p           @(gr6,#DEBUG_DCR) ,gr6
 
         andi            gr22,#PSR_S,gr19                /* rebuild BPSR */
         andi.p          gr22,#PSR_ET,gr5