parisc: remove unused compat_rt_sigframe.h header

#include <linux/compat.h>

#include <linux/compat_siginfo.h>

#include <asm/compat_ucontext.h>

#ifndef _ASM_PARISC_COMPAT_RT_SIGFRAME_H

#define _ASM_PARISC_COMPAT_RT_SIGFRAME_H

/* In a deft move of uber-hackery, we decide to carry the top half of all

 * 64-bit registers in a non-portable, non-ABI, hidden structure.

 * Userspace can read the hidden structure if it *wants* but is never

 * guaranteed to be in the same place. Infact the uc_sigmask from the 

 * ucontext_t structure may push the hidden register file downards

 */

struct compat_regfile {

	/* Upper half of all the 64-bit registers that were truncated

	   on a copy to a 32-bit userspace */

	compat_int_t rf_gr[32];

	compat_int_t rf_iasq[2];

	compat_int_t rf_iaoq[2];

	compat_int_t rf_sar;

};

#define COMPAT_SIGRETURN_TRAMP 4

#define COMPAT_SIGRESTARTBLOCK_TRAMP 5 

#define COMPAT_TRAMP_SIZE (COMPAT_SIGRETURN_TRAMP + COMPAT_SIGRESTARTBLOCK_TRAMP)

struct compat_rt_sigframe {

	/* XXX: Must match trampoline size in arch/parisc/kernel/signal.c 

	        Secondary to that it must protect the ERESTART_RESTARTBLOCK

		trampoline we left on the stack (we were bad and didn't 

		change sp so we could run really fast.) */

	compat_uint_t tramp[COMPAT_TRAMP_SIZE];

	compat_siginfo_t info;

	struct compat_ucontext uc;

	/* Hidden location of truncated registers, *must* be last. */

	struct compat_regfile regs; 

};

/*

 * The 32-bit ABI wants at least 48 bytes for a function call frame:

 * 16 bytes for arg0-arg3, and 32 bytes for magic (the only part of

 * which Linux/parisc uses is sp-20 for the saved return pointer...)

 * Then, the stack pointer must be rounded to a cache line (64 bytes).

 */

#define SIGFRAME32		64

#define FUNCTIONCALLFRAME32	48

#define PARISC_RT_SIGFRAME_SIZE32					\

	(((sizeof(struct compat_rt_sigframe) + FUNCTIONCALLFRAME32) + SIGFRAME32) & -SIGFRAME32)

#endif