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/* Copyright (C) 2020-2022 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_NETBSD_LOW_H
#define GDBSERVER_NETBSD_LOW_H
struct regcache;
struct target_desc;
/* Some information relative to a given register set. */
struct netbsd_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);
};
/* Target ops definitions for a NetBSD target. */
class netbsd_process_target : public process_stratum_target
{
public:
int create_inferior (const char *program,
const std::vector<char *> &program_args) override;
void post_create_inferior () 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,
target_wait_flags 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_read_auxv () override;
int read_auxv (CORE_ADDR offset, unsigned char *myaddr,
unsigned int len) override;
bool supports_hardware_single_step () override;
const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override;
bool supports_z_point_type (char z_type) override;
int insert_point (enum raw_bkpt_type type, CORE_ADDR addr,
int size, struct raw_breakpoint *bp) override;
int remove_point (enum raw_bkpt_type type, CORE_ADDR addr,
int size, struct raw_breakpoint *bp) override;
bool stopped_by_sw_breakpoint () override;
bool supports_qxfer_siginfo () override;
int qxfer_siginfo (const char *annex, unsigned char *readbuf,
unsigned const char *writebuf, CORE_ADDR offset,
int len) override;
bool supports_stopped_by_sw_breakpoint () override;
bool supports_non_stop () override;
bool supports_multi_process () override;
bool supports_fork_events () override;
bool supports_vfork_events () override;
bool supports_exec_events () override;
bool supports_disable_randomization () override;
bool supports_qxfer_libraries_svr4 () override;
int qxfer_libraries_svr4 (const char*, unsigned char*, const unsigned char*,
CORE_ADDR, int) override;
bool supports_pid_to_exec_file () override;
const char *pid_to_exec_file (int pid) override;
const char *thread_name (ptid_t thread) override;
bool supports_catch_syscall () override;
protected:
/* The architecture-specific "low" methods are listed below. */
/* Return the information to access registers. */
virtual const netbsd_regset_info *get_regs_info () = 0;
/* Architecture-specific setup for the current process. */
virtual void low_arch_setup () = 0;
};
extern netbsd_process_target *the_netbsd_target;
#endif /* GDBSERVER_NETBSD_LOW_H */
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