cregit-Linux how code gets into the kernel

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

/*
 * kgdb support for ARC
 *
 * Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef __ARC_KGDB_H__

#define __ARC_KGDB_H__

#ifdef CONFIG_KGDB

#include <asm/ptrace.h>

/* to ensure compatibility with Linux 2.6.35, we don't implement the get/set
 * register API yet */

#undef DBG_MAX_REG_NUM


#define GDB_MAX_REGS		87


#define BREAK_INSTR_SIZE	2

#define CACHE_FLUSH_IS_SAFE	1

#define NUMREGBYTES		(GDB_MAX_REGS * 4)

#define BUFMAX			2048


static inline void arch_kgdb_breakpoint(void) { __asm__ __volatile__ ("trap_s 0x4\n"); }

Contributors

PersonTokensPropCommitsCommitProp
Mischa Jonker12100.00%1100.00%
Total12100.00%1100.00%

extern void kgdb_trap(struct pt_regs *regs); /* This is the numbering of registers according to the GDB. See GDB's * arc-tdep.h for details. * * Registers are ordered for GDB 7.5. It is incompatible with GDB 6.8. */ enum arc_linux_regnums { _R0 = 0, _R1, _R2, _R3, _R4, _R5, _R6, _R7, _R8, _R9, _R10, _R11, _R12, _R13, _R14, _R15, _R16, _R17, _R18, _R19, _R20, _R21, _R22, _R23, _R24, _R25, _R26, _FP = 27, __SP = 28, _R30 = 30, _BLINK = 31, _LP_COUNT = 60, _STOP_PC = 64, _RET = 64, _LP_START = 65, _LP_END = 66, _STATUS32 = 67, _ECR = 76, _BTA = 82, }; #else #define kgdb_trap(regs) #endif #endif /* __ARC_KGDB_H__ */

Overall Contributors

PersonTokensPropCommitsCommitProp
Mischa Jonker15283.98%133.33%
Anton Kolesov2614.36%133.33%
Vineet Gupta31.66%133.33%
Total181100.00%3100.00%
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