From cb418fdb33feba951187f6e01e9f78d3cd2dacbb Mon Sep 17 00:00:00 2001 From: Richard Weinberger Date: Sun, 12 Apr 2015 18:10:36 +0200 Subject: [PATCH] xtensa: Autogenerate offsets in struct thread_info Maintaining offsets by hand is no fun. Reported-by: Guenter Roeck Signed-off-by: Richard Weinberger --- arch/xtensa/include/asm/thread_info.h | 11 ----------- arch/xtensa/kernel/asm-offsets.c | 8 ++++++++ 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));