kbuild: mips use generic asm-offsets.h support

Removed obsolete stuff from arch makefile.
mips had a special rule for generating asm-offsets.h so preserved it
using an architecture specific hook in top-level Kbuild file.
Renamed .h file to asm-offsets.h

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

Kbuild

@@ -13,6 +13,13 @@ always  := $(offsets-file)
 targets := $(offsets-file)
 targets += arch/$(ARCH)/kernel/asm-offsets.s
 
+# Default sed regexp - multiline due to syntax constraints
+define sed-y
+	"/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}"
+endef
+# Override default regexp for specific architectures
+sed-$(CONFIG_MIPS) := "/^@@@/s///p"
+
 quiet_cmd_offsets = GEN     $@
 define cmd_offsets
 	cat $< | \
@@ -26,7 +33,7 @@ define cmd_offsets
 	 echo " *"; \
 	 echo " */"; \
 	 echo ""; \
-	 sed -ne "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}"; \
+	 sed -ne $(sed-y); \
 	 echo ""; \
 	 echo "#endif" ) > $@
 endef

arch/mips/Makefile

@@ -720,38 +720,7 @@ archclean:
 	@$(MAKE) $(clean)=arch/mips/boot
 	@$(MAKE) $(clean)=arch/mips/lasat
 
-# Generate <asm/offset.h
-#
-# The default rule is suffering from funny problems on MIPS so we using our
-# own ...
-#
-# ---------------------------------------------------------------------------
-
-define filechk_gen-asm-offset.h
-	(set -e; \
-	 echo "#ifndef _ASM_OFFSET_H"; \
-	 echo "#define _ASM_OFFSET_H"; \
-	 echo "/*"; \
-	 echo " * DO NOT MODIFY."; \
-	 echo " *"; \
-	 echo " * This file was generated by arch/$(ARCH)/Makefile"; \
-	 echo " *"; \
-	 echo " */"; \
-	 echo ""; \
-	 sed -ne "/^@@@/s///p"; \
-	 echo "#endif /* _ASM_OFFSET_H */" )
-endef
-
-prepare: include/asm-$(ARCH)/offset.h
-
-arch/$(ARCH)/kernel/offset.s: include/asm include/linux/version.h \
-				   include/config/MARKER
-
-include/asm-$(ARCH)/offset.h: arch/$(ARCH)/kernel/offset.s
-	$(call filechk,gen-asm-offset.h)
-
-CLEAN_FILES += include/asm-$(ARCH)/offset.h.tmp \
-	       include/asm-$(ARCH)/offset.h \
-	       vmlinux.32 \
+
+CLEAN_FILES += vmlinux.32 \
 	       vmlinux.64 \
 	       vmlinux.ecoff

arch/mips/kernel/r2300_fpu.S

@@ -15,7 +15,7 @@
 #include <asm/errno.h>
 #include <asm/fpregdef.h>
 #include <asm/mipsregs.h>
-#include <asm/offset.h>
+#include <asm/asm-offsets.h>
 #include <asm/regdef.h>
 
 #define EX(a,b)							\

arch/mips/kernel/r2300_switch.S

@@ -15,7 +15,7 @@
 #include <asm/cachectl.h>
 #include <asm/fpregdef.h>
 #include <asm/mipsregs.h>
-#include <asm/offset.h>
+#include <asm/asm-offsets.h>
 #include <asm/page.h>
 #include <asm/regdef.h>
 #include <asm/stackframe.h>

arch/mips/kernel/r4k_fpu.S

@@ -17,7 +17,7 @@
 #include <asm/errno.h>
 #include <asm/fpregdef.h>
 #include <asm/mipsregs.h>
-#include <asm/offset.h>
+#include <asm/asm-offsets.h>
 #include <asm/regdef.h>
 
 	.macro	EX insn, reg, src

arch/mips/kernel/r4k_switch.S

@@ -15,7 +15,7 @@
 #include <asm/cachectl.h>
 #include <asm/fpregdef.h>
 #include <asm/mipsregs.h>
-#include <asm/offset.h>
+#include <asm/asm-offsets.h>
 #include <asm/page.h>
 #include <asm/pgtable-bits.h>
 #include <asm/regdef.h>

arch/mips/kernel/r6000_fpu.S

@@ -13,7 +13,7 @@
 #include <asm/asm.h>
 #include <asm/fpregdef.h>
 #include <asm/mipsregs.h>
-#include <asm/offset.h>
+#include <asm/asm-offsets.h>
 #include <asm/regdef.h>
 
 	.set	noreorder

arch/mips/kernel/scall32-o32.S

@@ -19,7 +19,7 @@
 #include <asm/thread_info.h>
 #include <asm/unistd.h>
 #include <asm/war.h>
-#include <asm/offset.h>
+#include <asm/asm-offsets.h>
 
 /* Highest syscall used of any syscall flavour */
 #define MAX_SYSCALL_NO	__NR_O32_Linux + __NR_O32_Linux_syscalls

arch/mips/kernel/scall64-64.S

@@ -14,7 +14,7 @@
 #include <asm/mipsregs.h>
 #include <asm/regdef.h>
 #include <asm/stackframe.h>
-#include <asm/offset.h>
+#include <asm/asm-offsets.h>
 #include <asm/sysmips.h>
 #include <asm/thread_info.h>
 #include <asm/unistd.h>

arch/mips/kernel/syscall.c

@@ -31,7 +31,7 @@
 #include <asm/cachectl.h>
 #include <asm/cacheflush.h>
 #include <asm/ipc.h>
-#include <asm/offset.h>
+#include <asm/asm-offsets.h>
 #include <asm/signal.h>
 #include <asm/sim.h>
 #include <asm/shmparam.h>

arch/mips/lib-32/memset.S

@@ -7,7 +7,7 @@
  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
  */
 #include <asm/asm.h>
-#include <asm/offset.h>
+#include <asm/asm-offsets.h>
 #include <asm/regdef.h>
 
 #define EX(insn,reg,addr,handler)			\

arch/mips/lib-64/memset.S

@@ -7,7 +7,7 @@
  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
  */
 #include <asm/asm.h>
-#include <asm/offset.h>
+#include <asm/asm-offsets.h>
 #include <asm/regdef.h>
 
 #define EX(insn,reg,addr,handler)			\

arch/mips/lib/memcpy.S

@@ -14,7 +14,7 @@
  */
 #include <linux/config.h>
 #include <asm/asm.h>
-#include <asm/offset.h>
+#include <asm/asm-offsets.h>
 #include <asm/regdef.h>
 
 #define dst a0

arch/mips/lib/strlen_user.S

@@ -7,7 +7,7 @@
  * Copyright (c) 1999 Silicon Graphics, Inc.
  */
 #include <asm/asm.h>
-#include <asm/offset.h>
+#include <asm/asm-offsets.h>
 #include <asm/regdef.h>
 
 #define EX(insn,reg,addr,handler)			\

arch/mips/lib/strncpy_user.S

@@ -7,7 +7,7 @@
  */
 #include <linux/errno.h>
 #include <asm/asm.h>
-#include <asm/offset.h>
+#include <asm/asm-offsets.h>
 #include <asm/regdef.h>
 
 #define EX(insn,reg,addr,handler)			\

arch/mips/lib/strnlen_user.S

@@ -7,7 +7,7 @@
  * Copyright (c) 1999 Silicon Graphics, Inc.
  */
 #include <asm/asm.h>
-#include <asm/offset.h>
+#include <asm/asm-offsets.h>
 #include <asm/regdef.h>
 
 #define EX(insn,reg,addr,handler)			\

include/asm-mips/asmmacro-32.h

@@ -7,7 +7,7 @@
 #ifndef _ASM_ASMMACRO_32_H
 #define _ASM_ASMMACRO_32_H
 
-#include <asm/offset.h>
+#include <asm/asm-offsets.h>
 #include <asm/regdef.h>
 #include <asm/fpregdef.h>
 #include <asm/mipsregs.h>

include/asm-mips/asmmacro-64.h

@@ -8,7 +8,7 @@
 #ifndef _ASM_ASMMACRO_64_H
 #define _ASM_ASMMACRO_64_H
 
-#include <asm/offset.h>
+#include <asm/asm-offsets.h>
 #include <asm/regdef.h>
 #include <asm/fpregdef.h>
 #include <asm/mipsregs.h>

include/asm-mips/sim.h

@@ -11,7 +11,7 @@
 
 #include <linux/config.h>
 
-#include <asm/offset.h>
+#include <asm/asm-offsets.h>
 
 #define __str2(x) #x
 #define __str(x) __str2(x)

include/asm-mips/stackframe.h

@@ -15,7 +15,7 @@
 
 #include <asm/asm.h>
 #include <asm/mipsregs.h>
-#include <asm/offset.h>
+#include <asm/asm-offsets.h>
 
 		.macro	SAVE_AT
 		.set	push