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authorRichard Weinberger <richard@nod.at>2015-04-03 18:56:16 +0200
committerRichard Weinberger <richard@nod.at>2015-04-12 20:58:24 +0200
commitede45dd302385007b7ee83148753654ab8453167 (patch)
tree1c73acbbe71e3944f4ece333ed8d861d3792663a /arch/blackfin
parent9699a517e0029c4dc34159787a26a746dfab858b (diff)
downloadop-kernel-dev-ede45dd302385007b7ee83148753654ab8453167.zip
op-kernel-dev-ede45dd302385007b7ee83148753654ab8453167.tar.gz
blackfin: Autogenerate offsets in struct thread_info
Maintaining offsets by hand is no fun. Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'arch/blackfin')
-rw-r--r--arch/blackfin/include/asm/thread_info.h9
-rw-r--r--arch/blackfin/kernel/asm-offsets.c6
-rw-r--r--arch/blackfin/kernel/traps.c1
3 files changed, 7 insertions, 9 deletions
diff --git a/arch/blackfin/include/asm/thread_info.h b/arch/blackfin/include/asm/thread_info.h
index 57c3a8b..962be3f 100644
--- a/arch/blackfin/include/asm/thread_info.h
+++ b/arch/blackfin/include/asm/thread_info.h
@@ -76,15 +76,6 @@ static inline struct thread_info *current_thread_info(void)
#endif /* __ASSEMBLY__ */
/*
- * Offsets in thread_info structure, used in assembly code
- */
-#define TI_TASK 0
-#define TI_EXECDOMAIN 4
-#define TI_FLAGS 8
-#define TI_CPU 12
-#define TI_PREEMPT 16
-
-/*
* thread information flag bit numbers
*/
#define TIF_SYSCALL_TRACE 0 /* syscall trace active */
diff --git a/arch/blackfin/kernel/asm-offsets.c b/arch/blackfin/kernel/asm-offsets.c
index 37fcae9..486560a 100644
--- a/arch/blackfin/kernel/asm-offsets.c
+++ b/arch/blackfin/kernel/asm-offsets.c
@@ -42,6 +42,12 @@ int main(void)
DEFINE(THREAD_PC, offsetof(struct thread_struct, pc));
DEFINE(KERNEL_STACK_SIZE, THREAD_SIZE);
+ /* offsets in thread_info struct */
+ OFFSET(TI_TASK, thread_info, task);
+ OFFSET(TI_FLAGS, thread_info, flags);
+ OFFSET(TI_CPU, thread_info, cpu);
+ OFFSET(TI_PREEMPT, thread_info, preempt_count);
+
/* offsets into the pt_regs */
DEFINE(PT_ORIG_R0, offsetof(struct pt_regs, orig_r0));
DEFINE(PT_ORIG_P0, offsetof(struct pt_regs, orig_p0));
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index de5c2c3..1ed85dd 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -18,6 +18,7 @@
#include <asm/fixed_code.h>
#include <asm/pseudo_instructions.h>
#include <asm/pda.h>
+#include <asm/asm-offsets.h>
#ifdef CONFIG_KGDB
# include <linux/kgdb.h>
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