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authorRichard Weinberger <richard@nod.at>2015-04-12 18:10:36 +0200
committerRichard Weinberger <richard@nod.at>2015-04-12 21:03:29 +0200
commitcb418fdb33feba951187f6e01e9f78d3cd2dacbb (patch)
tree5b41a82a0b48d5893850890e993340528d6bca83 /arch/xtensa
parent3050a35fba296196cb00e87f4a96aa7d9ed17a7b (diff)
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xtensa: Autogenerate offsets in struct thread_info
Maintaining offsets by hand is no fun. Reported-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'arch/xtensa')
-rw-r--r--arch/xtensa/include/asm/thread_info.h11
-rw-r--r--arch/xtensa/kernel/asm-offsets.c8
2 files changed, 8 insertions, 11 deletions
diff --git a/arch/xtensa/include/asm/thread_info.h b/arch/xtensa/include/asm/thread_info.h
index a9b5d3ba196c..baa1f279f59f 100644
--- a/arch/xtensa/include/asm/thread_info.h
+++ b/arch/xtensa/include/asm/thread_info.h
@@ -61,17 +61,6 @@ struct thread_info {
xtregs_user_t xtregs_user;
};
-#else /* !__ASSEMBLY__ */
-
-/* offsets into the thread_info struct for assembly code access */
-#define TI_TASK 0x00000000
-#define TI_EXEC_DOMAIN 0x00000004
-#define TI_FLAGS 0x00000008
-#define TI_STATUS 0x0000000C
-#define TI_CPU 0x00000010
-#define TI_PRE_COUNT 0x00000014
-#define TI_ADDR_LIMIT 0x00000018
-
#endif
/*
diff --git a/arch/xtensa/kernel/asm-offsets.c b/arch/xtensa/kernel/asm-offsets.c
index 1915c7c889ba..b123ace3b67c 100644
--- a/arch/xtensa/kernel/asm-offsets.c
+++ b/arch/xtensa/kernel/asm-offsets.c
@@ -77,6 +77,14 @@ int main(void)
DEFINE(TASK_THREAD_INFO, offsetof (struct task_struct, stack));
DEFINE(TASK_STRUCT_SIZE, sizeof (struct task_struct));
+ /* offsets in thread_info struct */
+ OFFSET(TI_TASK, thread_info, task);
+ OFFSET(TI_FLAGS, thread_info, flags);
+ OFFSET(TI_STSTUS, thread_info, status);
+ OFFSET(TI_CPU, thread_info, cpu);
+ OFFSET(TI_PRE_COUNT, thread_info, preempt_count);
+ OFFSET(TI_ADDR_LIMIT, thread_info, addr_limit);
+
/* struct thread_info (offset from start_struct) */
DEFINE(THREAD_RA, offsetof (struct task_struct, thread.ra));
DEFINE(THREAD_SP, offsetof (struct task_struct, thread.sp));