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libhermit/tools/uhyve-gdb.h
Stefan Lankes 55ca03c5d4 add first draft of gdb support for x86_64
- derived from ukvm/solo5 (https://github.com/Solo5/solo5/tree/master/ukvm)
- first adaption developed by Pierre Oliver, VT
2018-07-06 00:35:34 +02:00

76 lines
2.4 KiB
C

/*
* This file was adapted from the solo5/ukvm code base, initial copyright block
* follows:
*/
/*
* Copyright (c) 2015-2017 Contributors as noted in the AUTHORS file
*
* This file is part of ukvm, a unikernel monitor.
*
* Permission to use, copy, modify, and/or distribute this software
* for any purpose with or without fee is hereby granted, provided
* that the above copyright notice and this permission notice appear
* in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef UHYVE_GDB_H
#define UHYVE_GDB_H
#include <stdint.h>
#include <inttypes.h>
/* GDB breakpoint/watchpoint types */
typedef enum _gdb_breakpoint_type {
/* Do not change these. The values have to match on the GDB client
* side. */
GDB_BREAKPOINT_SW = 0,
GDB_BREAKPOINT_HW,
GDB_WATCHPOINT_WRITE,
GDB_WATCHPOINT_READ,
GDB_WATCHPOINT_ACCESS,
GDB_BREAKPOINT_MAX
} gdb_breakpoint_type;
#define GDB_SIGNAL_FIRST 0
#define GDB_SIGNAL_QUIT 3
#define GDB_SIGNAL_KILL 9
#define GDB_SIGNAL_TRAP 5
#define GDB_SIGNAL_SEGV 11
#define GDB_SIGNAL_TERM 15
#define GDB_SIGNAL_IO 23
#define GDB_SIGNAL_DEFAULT 144
/* prototypes */
int uhyve_gdb_enable_ss(int vcpufd);
int uhyve_gdb_disable_ss(int vcpufd);
int uhyve_gdb_read_registers(int vcpufd, uint8_t *reg, size_t *len);
int uhyve_gdb_write_registers(int vcpufd, uint8_t *reg, size_t len);
int uhyve_gdb_add_breakpoint(int vcpufd, gdb_breakpoint_type type,
uint64_t addr, size_t len);
int uhyve_gdb_remove_breakpoint(int vcpufd, gdb_breakpoint_type type,
uint64_t addr, size_t len);
int uhyve_gdb_guest_virt_to_phys(int vcpufd, const uint64_t virt,
uint64_t *phys);
/* interface with uhyve.c */
void uhyve_gdb_handle_exception(int vcpufd, int sigval);
void uhyve_gdb_handle_term(void);
int uhyve_gdb_init(int vcpufd);
#ifdef __x86_64__
#include "uhyve-gdb-x86_64.h"
#else
#include "uhyve-gdb-aarch64.h"
#endif
#endif /* UHYVE_GDB_H */