Commit da28c597 authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: split out ptrace header for _32/_64 variants. 



asm/ptrace.h is getting a bit messy, with the _32/_64-specific changes
being fairly insular. This splits out the header accordingly.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent eaaaeef3

arch/sh/include/asm/Kbuild

+2 −0
Original line number Diff line number Diff line
@@ -8,3 +8,5 @@ unifdef-y += unistd_32.h 
unifdef-y += unistd_64.h

unifdef-y += posix_types_32.h

unifdef-y += posix_types_64.h

unifdef-y += ptrace_32.h

unifdef-y += ptrace_64.h

arch/sh/include/asm/ptrace.h

+12 −98
Original line number Diff line number Diff line 
#ifndef __ASM_SH_PTRACE_H

#define __ASM_SH_PTRACE_H



#include <linux/stringify.h>



/*

 * Copyright (C) 1999, 2000  Niibe Yutaka

 *

 */

#if defined(__SH5__)

struct pt_regs {

	unsigned long long pc;

	unsigned long long sr;

	long long syscall_nr;

	unsigned long long regs[63];

	unsigned long long tregs[8];

	unsigned long long pad[2];

};



#define MAX_REG_OFFSET		offsetof(struct pt_regs, tregs[7])

#define regs_return_value(regs)	((regs)->regs[3])



#define TREGS_OFFSET_NAME(num)	\

	{.name = __stringify(tr##num), .offset = offsetof(struct pt_regs, tregs[num])}



#else

/*

 * GCC defines register number like this:

 * -----------------------------

 *	 0 - 15 are integer registers

 *	17 - 22 are control/special registers

 *	24 - 39 fp registers

 *	40 - 47 xd registers

 *	48 -    fpscr register

 * -----------------------------

 *

 * We follows above, except:

 *	16 --- program counter (PC)

 *	22 --- syscall #

 *	23 --- floating point communication register

 */

#define REG_REG0	 0

#define REG_REG15	15



#define REG_PC		16



#define REG_PR		17

#define REG_SR		18

#define REG_GBR		19

#define REG_MACH	20

#define REG_MACL	21



#define REG_SYSCALL	22



#define REG_FPREG0	23

#define REG_FPREG15	38

#define REG_XFREG0	39

#define REG_XFREG15	54



#define REG_FPSCR	55

#define REG_FPUL	56



/*

 * This struct defines the way the registers are stored on the

 * kernel stack during a system call or other kernel entry.

 */

struct pt_regs {

	unsigned long regs[16];

	unsigned long pc;

	unsigned long pr;

	unsigned long sr;

	unsigned long gbr;

	unsigned long mach;

	unsigned long macl;

	long tra;

};



#define MAX_REG_OFFSET		offsetof(struct pt_regs, tra)

#define regs_return_value(regs)	((regs)->regs[0])



/*

 * This struct defines the way the DSP registers are stored on the

 * kernel stack during a system call or other kernel entry.

 */

struct pt_dspregs {

	unsigned long	a1;

	unsigned long	a0g;

	unsigned long	a1g;

	unsigned long	m0;

	unsigned long	m1;

	unsigned long	a0;

	unsigned long	x0;

	unsigned long	x1;

	unsigned long	y0;

	unsigned long	y1;

	unsigned long	dsr;

	unsigned long	rs;

	unsigned long	re;

	unsigned long	mod;

};

#endif



#define PTRACE_GETREGS		12	/* General registers */

#define PTRACE_SETREGS		13
@@ -119,7 +24,17 @@ struct pt_dspregs { 
#define PT_DATA_ADDR		248	/* &(struct user)->start_data */

#define PT_TEXT_LEN		252



#if defined(__SH5__) || defined(CONFIG_CPU_SH5)

#include "ptrace_64.h"

#else

#include "ptrace_32.h"

#endif



#ifdef __KERNEL__



#include <linux/stringify.h>

#include <linux/stddef.h>

#include <linux/thread_info.h>

#include <asm/addrspace.h>

#include <asm/page.h>

#include <asm/system.h>
@@ -136,9 +51,6 @@ extern void show_regs(struct pt_regs *); 
/*

 * kprobe-based event tracer support

 */

#include <linux/stddef.h>

#include <linux/thread_info.h>



struct pt_regs_offset {

	const char *name;

	int offset;
@@ -147,6 +59,8 @@ struct pt_regs_offset { 
#define REG_OFFSET_NAME(r) {.name = #r, .offset = offsetof(struct pt_regs, r)}

#define REGS_OFFSET_NAME(num)	\

	{.name = __stringify(r##num), .offset = offsetof(struct pt_regs, regs[num])}

#define TREGS_OFFSET_NAME(num)	\

	{.name = __stringify(tr##num), .offset = offsetof(struct pt_regs, tregs[num])}

#define REG_OFFSET_END {.name = NULL, .offset = 0}



/* Query offset/name of register from its name/offset */

arch/sh/include/asm/ptrace_32.h

0 → 100644
+83 −0
Original line number Diff line number Diff line 
#ifndef __ASM_SH_PTRACE_32_H

#define __ASM_SH_PTRACE_32_H



/*

 * GCC defines register number like this:

 * -----------------------------

 *	 0 - 15 are integer registers

 *	17 - 22 are control/special registers

 *	24 - 39 fp registers

 *	40 - 47 xd registers

 *	48 -    fpscr register

 * -----------------------------

 *

 * We follows above, except:

 *	16 --- program counter (PC)

 *	22 --- syscall #

 *	23 --- floating point communication register

 */

#define REG_REG0	 0

#define REG_REG15	15



#define REG_PC		16



#define REG_PR		17

#define REG_SR		18

#define REG_GBR		19

#define REG_MACH	20

#define REG_MACL	21



#define REG_SYSCALL	22



#define REG_FPREG0	23

#define REG_FPREG15	38

#define REG_XFREG0	39

#define REG_XFREG15	54



#define REG_FPSCR	55

#define REG_FPUL	56



/*

 * This struct defines the way the registers are stored on the

 * kernel stack during a system call or other kernel entry.

 */

struct pt_regs {

	unsigned long regs[16];

	unsigned long pc;

	unsigned long pr;

	unsigned long sr;

	unsigned long gbr;

	unsigned long mach;

	unsigned long macl;

	long tra;

};



/*

 * This struct defines the way the DSP registers are stored on the

 * kernel stack during a system call or other kernel entry.

 */

struct pt_dspregs {

	unsigned long	a1;

	unsigned long	a0g;

	unsigned long	a1g;

	unsigned long	m0;

	unsigned long	m1;

	unsigned long	a0;

	unsigned long	x0;

	unsigned long	x1;

	unsigned long	y0;

	unsigned long	y1;

	unsigned long	dsr;

	unsigned long	rs;

	unsigned long	re;

	unsigned long	mod;

};



#ifdef __KERNEL__



#define MAX_REG_OFFSET		offsetof(struct pt_regs, tra)

#define regs_return_value(regs)	((regs)->regs[0])



#endif /* __KERNEL__ */



#endif /* __ASM_SH_PTRACE_32_H */

arch/sh/include/asm/ptrace_64.h

0 → 100644
+20 −0
Original line number Diff line number Diff line 
#ifndef __ASM_SH_PTRACE_64_H

#define __ASM_SH_PTRACE_64_H



struct pt_regs {

	unsigned long long pc;

	unsigned long long sr;

	long long syscall_nr;

	unsigned long long regs[63];

	unsigned long long tregs[8];

	unsigned long long pad[2];

};



#ifdef __KERNEL__



#define MAX_REG_OFFSET		offsetof(struct pt_regs, tregs[7])

#define regs_return_value(regs)	((regs)->regs[3])



#endif /* __KERNEL__ */



#endif /* __ASM_SH_PTRACE_64_H */

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