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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
m32r: Autogenerate offsets in struct thread_info
Maintaining offsets by hand is no fun.
Signed-off-by: Richard Weinberger <richard@nod.at>
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arch/m32r/include/asm/asm-offsets.h
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arch/m32r/include/asm/asm-offsets.h
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#include <generated/asm-offsets.h>
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arch/m32r/include/asm/thread_info.h
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arch/m32r/include/asm/thread_info.h
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__u8 supervisor_stack[0];
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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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#endif /* !__ASSEMBLY__ */
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#define THREAD_SIZE (PAGE_SIZE << 1)
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#define THREAD_SIZE_ORDER 1
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arch/m32r/kernel/asm-offsets.c
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arch/m32r/kernel/asm-offsets.c
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/* Dummy asm-offsets.c file. Required by kbuild and ready to be used - hint! */
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#include <linux/thread_info.h>
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#include <linux/kbuild.h>
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int foo(void)
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{
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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_STATUS, 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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return 0;
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}