diff options
| author | Richard Weinberger <richard@nod.at> | 2015-04-03 18:20:58 +0200 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2015-04-12 20:58:24 +0200 |
| commit | 37f078ff4c97ad143a6dc2adae31e20a3f780ca7 (patch) | |
| tree | 53d493ab9e9aebc5447cad59ac653761e4230694 /arch/m32r | |
| parent | 7bd8301084dfaf9210f66142fadb62a2bee7588b (diff) | |
m32r: 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/m32r')
| -rw-r--r-- | arch/m32r/include/asm/asm-offsets.h | 1 | ||||
| -rw-r--r-- | arch/m32r/include/asm/thread_info.h | 13 | ||||
| -rw-r--r-- | arch/m32r/kernel/asm-offsets.c | 15 | ||||
| -rw-r--r-- | arch/m32r/kernel/entry.S | 1 |
4 files changed, 17 insertions, 13 deletions
diff --git a/arch/m32r/include/asm/asm-offsets.h b/arch/m32r/include/asm/asm-offsets.h new file mode 100644 index 000000000000..d370ee36a182 --- /dev/null +++ b/arch/m32r/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/m32r/include/asm/thread_info.h b/arch/m32r/include/asm/thread_info.h index 32422d0211c3..034d1ab13029 100644 --- a/arch/m32r/include/asm/thread_info.h +++ b/arch/m32r/include/asm/thread_info.h @@ -38,18 +38,7 @@ struct thread_info { __u8 supervisor_stack[0]; }; -#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 +#endif /* !__ASSEMBLY__ */ #define THREAD_SIZE (PAGE_SIZE << 1) #define THREAD_SIZE_ORDER 1 diff --git a/arch/m32r/kernel/asm-offsets.c b/arch/m32r/kernel/asm-offsets.c index 9e263112a6e2..cd3d2fc9c8df 100644 --- a/arch/m32r/kernel/asm-offsets.c +++ b/arch/m32r/kernel/asm-offsets.c @@ -1 +1,14 @@ -/* Dummy asm-offsets.c file. Required by kbuild and ready to be used - hint! */ +#include <linux/thread_info.h> +#include <linux/kbuild.h> + +int foo(void) +{ + OFFSET(TI_TASK, thread_info, task); + OFFSET(TI_FLAGS, thread_info, flags); + OFFSET(TI_STATUS, 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); + + return 0; +} diff --git a/arch/m32r/kernel/entry.S b/arch/m32r/kernel/entry.S index 7c3db9940ce1..c639bfa32232 100644 --- a/arch/m32r/kernel/entry.S +++ b/arch/m32r/kernel/entry.S @@ -65,6 +65,7 @@ #include <asm/page.h> #include <asm/m32r.h> #include <asm/mmu_context.h> +#include <asm/asm-offsets.h> #if !defined(CONFIG_MMU) #define sys_madvise sys_ni_syscall |