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what's inside INT_FRAME_SIZE?

DISCUSSION Wang, Baojun 1 participant 1 message Oct 18, 2007

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hi,

I need setup a stack frame manually under powerpc, sounds like I need
prepare at least for size INT_FRAME_SIZE (192 bytes through asm-offset.h),

I know the bottom 176 bytes are for struct pt_regs, how about the upper 16 (STACK_FRAME_OVERHEAD) bytes? what's inside this 16 bytes? Could you please give me some hints? Thanks very much!

Regards,
Wang

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Wang, Baojun                                        Lanzhou University
Distributed & Embedded System Lab              http://dslab.lzu.edu.cn
School of Information Science and Engeneering        [email protected]
Tianshui South Road 222. Lanzhou 730000                     .P.R.China
Tel:+86-931-8912025                                Fax:+86-931-8912022