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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
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>
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arch/xtensa/include/asm/thread_info.h
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arch/xtensa/include/asm/thread_info.h
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xtregs_user_t xtregs_user;
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};
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#else /* !__ASSEMBLY__ */
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/* offsets into the thread_info struct for assembly code access */
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#define TI_TASK 0x00000000
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#define TI_EXEC_DOMAIN 0x00000004
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#define TI_FLAGS 0x00000008
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#define TI_STATUS 0x0000000C
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#define TI_CPU 0x00000010
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#define TI_PRE_COUNT 0x00000014
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#define TI_ADDR_LIMIT 0x00000018
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#endif
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/*
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arch/xtensa/kernel/asm-offsets.c
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arch/xtensa/kernel/asm-offsets.c
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DEFINE(TASK_THREAD_INFO, offsetof (struct task_struct, stack));
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DEFINE(TASK_STRUCT_SIZE, sizeof (struct task_struct));
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/* offsets in thread_info struct */
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OFFSET(TI_TASK, thread_info, task);
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OFFSET(TI_FLAGS, thread_info, flags);
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OFFSET(TI_STSTUS, thread_info, status);
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OFFSET(TI_CPU, thread_info, cpu);
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OFFSET(TI_PRE_COUNT, thread_info, preempt_count);
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OFFSET(TI_ADDR_LIMIT, thread_info, addr_limit);
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/* struct thread_info (offset from start_struct) */
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DEFINE(THREAD_RA, offsetof (struct task_struct, thread.ra));
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DEFINE(THREAD_SP, offsetof (struct task_struct, thread.sp));