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/* Copyright (C) 2010-2020 Free Software Foundation, Inc.
This file is part of GDB.
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 3 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, see <http://www.gnu.org/licenses/>. */
#ifndef GDBSERVER_LYNX_LOW_H
#define GDBSERVER_LYNX_LOW_H
struct regcache;
struct target_desc;
/* Some information relative to a given register set. */
struct lynx_regset_info
{
/* The ptrace request needed to get/set registers of this set. */
int get_request, set_request;
/* The size of the register set. */
int size;
/* Fill the buffer BUF from the contents of the given REGCACHE. */
void (*fill_function) (struct regcache *regcache, char *buf);
/* Store the register value in BUF in the given REGCACHE. */
void (*store_function) (struct regcache *regcache, const char *buf);
};
/* A list of regsets for the target being debugged, terminated by an entry
where the size is negative.
This list should be created by the target-specific code. */
extern struct lynx_regset_info lynx_target_regsets[];
/* The target-specific operations for LynxOS support. */
struct lynx_target_ops
{
/* Architecture-specific setup. */
void (*arch_setup) (void);
};
extern struct lynx_target_ops the_low_target;
/* Target ops definitions for a LynxOS target. */
class lynx_process_target : public process_stratum_target
{
public:
int create_inferior (const char *program,
const std::vector<char *> &program_args) override;
int attach (unsigned long pid) override;
int kill (process_info *proc) override;
int detach (process_info *proc) override;
void mourn (process_info *proc) override;
void join (int pid) override;
bool thread_alive (ptid_t pid) override;
void resume (thread_resume *resume_info, size_t n) override;
ptid_t wait (ptid_t ptid, target_waitstatus *status,
int options) override;
void fetch_registers (regcache *regcache, int regno) override;
void store_registers (regcache *regcache, int regno) override;
int read_memory (CORE_ADDR memaddr, unsigned char *myaddr,
int len) override;
int write_memory (CORE_ADDR memaddr, const unsigned char *myaddr,
int len) override;
void request_interrupt () override;
bool supports_hardware_single_step () override;
const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override;
};
/* The inferior's target description. This is a global because the
LynxOS ports support neither bi-arch nor multi-process. */
extern const struct target_desc *lynx_tdesc;
#endif /* GDBSERVER_LYNX_LOW_H */
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