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/*
* Copyright (C) 2005 Hollis Blanchard <hollisb@us.ibm.com>, IBM Corporation
* Copyright (C) 2006 Isaku Yamahata <yamahata at valinux co jp>
* VA Linux Systems Japan. K.K.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __XEN_GDBSTUB_H__
#define __XEN_GDBSTUB_H__
#include <asm/atomic.h>
#include <asm/page.h>
#ifdef CRASH_DEBUG
struct gdb_context {
int serhnd; /* handle on our serial line */
int console_steal_id; /* handle on stolen console */
bool_t currently_attached;
atomic_t running;
unsigned long connected;
u8 signum;
char in_buf[PAGE_SIZE];
unsigned long in_bytes;
char out_buf[PAGE_SIZE];
unsigned long out_offset;
u8 out_csum;
};
/* interface to arch specific routines */
void gdb_write_to_packet(
const char *buf, int count, struct gdb_context *ctx);
void gdb_write_to_packet_hex(
unsigned long x, int int_size, struct gdb_context *ctx);
/* ... writes in target native byte order as required by gdb spec. */
void gdb_send_packet(struct gdb_context *ctx);
void gdb_send_reply(const char *buf, struct gdb_context *ctx);
/* gdb stub trap handler: entry point */
int __trap_to_gdb(struct cpu_user_regs *regs, unsigned long cookie);
/* arch specific routines */
u16 gdb_arch_signal_num(
struct cpu_user_regs *regs, unsigned long cookie);
void gdb_arch_read_reg_array(
struct cpu_user_regs *regs, struct gdb_context *ctx);
void gdb_arch_write_reg_array(
struct cpu_user_regs *regs, const char* buf, struct gdb_context *ctx);
void gdb_arch_read_reg(
unsigned long regnum, struct cpu_user_regs *regs, struct gdb_context *ctx);
void gdb_arch_write_reg(
unsigned long regnum, unsigned long val, struct cpu_user_regs *regs,
struct gdb_context *ctx);
unsigned int gdb_arch_copy_from_user(
void *dest, const void *src, unsigned len);
unsigned int gdb_arch_copy_to_user(
void *dest, const void *src, unsigned len);
void gdb_arch_resume(
struct cpu_user_regs *regs, unsigned long addr,
unsigned long type, struct gdb_context *ctx);
void gdb_arch_print_state(struct cpu_user_regs *regs);
void gdb_arch_enter(struct cpu_user_regs *regs);
void gdb_arch_exit(struct cpu_user_regs *regs);
#define GDB_CONTINUE 0
#define GDB_STEP 1
#define SIGILL 4
#define SIGTRAP 5
#define SIGBUS 7
#define SIGFPE 8
#define SIGSEGV 11
#define SIGALRM 14
#define SIGTERM 15
#endif
#endif /* __XEN_GDBSTUB_H__ */
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* End:
*/
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