cregit-Linux how code gets into the kernel

Release 4.14 arch/mn10300/include/asm/kgdb.h

/* Kernel debugger for MN10300
 *
 * Copyright (C) 2010 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public Licence
 * as published by the Free Software Foundation; either version
 * 2 of the Licence, or (at your option) any later version.
 */

#ifndef _ASM_KGDB_H

#define _ASM_KGDB_H

/*
 * BUFMAX defines the maximum number of characters in inbound/outbound
 * buffers at least NUMREGBYTES*2 are needed for register packets
 * Longer buffer is needed to list all threads
 */

#define BUFMAX			1024

/*
 * Note that this register image is in a different order than the register
 * image that Linux produces at interrupt time.
 */

enum regnames {
	
GDB_FR_D0		= 0,
	
GDB_FR_D1		= 1,
	
GDB_FR_D2		= 2,
	
GDB_FR_D3		= 3,
	
GDB_FR_A0		= 4,
	
GDB_FR_A1		= 5,
	
GDB_FR_A2		= 6,
	
GDB_FR_A3		= 7,

	
GDB_FR_SP		= 8,
	
GDB_FR_PC		= 9,
	
GDB_FR_MDR		= 10,
	
GDB_FR_EPSW		= 11,
	
GDB_FR_LIR		= 12,
	
GDB_FR_LAR		= 13,
	
GDB_FR_MDRQ		= 14,

	
GDB_FR_E0		= 15,
	
GDB_FR_E1		= 16,
	
GDB_FR_E2		= 17,
	
GDB_FR_E3		= 18,
	
GDB_FR_E4		= 19,
	
GDB_FR_E5		= 20,
	
GDB_FR_E6		= 21,
	
GDB_FR_E7		= 22,

	
GDB_FR_SSP		= 23,
	
GDB_FR_MSP		= 24,
	
GDB_FR_USP		= 25,
	
GDB_FR_MCRH		= 26,
	
GDB_FR_MCRL		= 27,
	
GDB_FR_MCVF		= 28,

	
GDB_FR_FPCR		= 29,
	
GDB_FR_DUMMY0		= 30,
	
GDB_FR_DUMMY1		= 31,

	
GDB_FR_FS0		= 32,

	
GDB_FR_SIZE		= 64,
};


#define GDB_ORIG_D0		41

#define NUMREGBYTES		(GDB_FR_SIZE*4)


static inline void arch_kgdb_breakpoint(void) { asm(".globl __arch_kgdb_breakpoint; __arch_kgdb_breakpoint: break"); }

Contributors

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David Howells10100.00%1100.00%
Total10100.00%1100.00%

extern u8 __arch_kgdb_breakpoint; #define BREAK_INSTR_SIZE 1 #define CACHE_FLUSH_IS_SAFE 1 #endif /* _ASM_KGDB_H */

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David Howells186100.00%1100.00%
Total186100.00%1100.00%
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