| /* Internal interfaces for the Win32 specific target code for gdbserver. |
| Copyright (C) 2007-2024 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_WIN32_LOW_H |
| #define GDBSERVER_WIN32_LOW_H |
| |
| #include <windows.h> |
| #include "nat/windows-nat.h" |
| |
| struct target_desc; |
| |
| /* The inferior's target description. This is a global because the |
| Windows ports support neither bi-arch nor multi-process. */ |
| extern const struct target_desc *win32_tdesc; |
| #ifdef __x86_64__ |
| extern const struct target_desc *wow64_win32_tdesc; |
| #endif |
| |
| struct win32_target_ops |
| { |
| /* Architecture-specific setup. */ |
| void (*arch_setup) (void); |
| |
| /* The number of target registers. */ |
| int (*num_regs) (void); |
| |
| /* Perform initializations on startup. */ |
| void (*initial_stuff) (void); |
| |
| /* Fetch the context from the inferior. */ |
| void (*get_thread_context) (windows_nat::windows_thread_info *th); |
| |
| /* Called just before resuming the thread. */ |
| void (*prepare_to_resume) (windows_nat::windows_thread_info *th); |
| |
| /* Called when a thread was added. */ |
| void (*thread_added) (windows_nat::windows_thread_info *th); |
| |
| /* Fetch register from gdbserver regcache data. */ |
| void (*fetch_inferior_register) (struct regcache *regcache, |
| windows_nat::windows_thread_info *th, |
| int r); |
| |
| /* Store a new register value into the thread context of TH. */ |
| void (*store_inferior_register) (struct regcache *regcache, |
| windows_nat::windows_thread_info *th, |
| int r); |
| |
| void (*single_step) (windows_nat::windows_thread_info *th); |
| |
| const unsigned char *breakpoint; |
| int breakpoint_len; |
| |
| /* Amount by which to decrement the PC after a breakpoint is |
| hit. */ |
| int decr_pc_after_break; |
| |
| /* Get the PC register from REGCACHE. */ |
| CORE_ADDR (*get_pc) (struct regcache *regcache); |
| /* Set the PC register in REGCACHE. */ |
| void (*set_pc) (struct regcache *regcache, CORE_ADDR newpc); |
| |
| /* Breakpoint/Watchpoint related functions. See target.h for comments. */ |
| int (*supports_z_point_type) (char z_type); |
| int (*insert_point) (enum raw_bkpt_type type, CORE_ADDR addr, |
| int size, struct raw_breakpoint *bp); |
| int (*remove_point) (enum raw_bkpt_type type, CORE_ADDR addr, |
| int size, struct raw_breakpoint *bp); |
| int (*stopped_by_watchpoint) (void); |
| CORE_ADDR (*stopped_data_address) (void); |
| }; |
| |
| extern struct win32_target_ops the_low_target; |
| |
| /* Target ops definitions for a Win32 target. */ |
| |
| class win32_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, |
| 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_z_point_type (char z_type) override; |
| |
| int insert_point (enum raw_bkpt_type type, CORE_ADDR addr, |
| int size, raw_breakpoint *bp) override; |
| |
| int remove_point (enum raw_bkpt_type type, CORE_ADDR addr, |
| int size, raw_breakpoint *bp) override; |
| |
| bool supports_hardware_single_step () override; |
| |
| bool stopped_by_watchpoint () override; |
| |
| CORE_ADDR stopped_data_address () 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_get_tib_address () override; |
| |
| int get_tib_address (ptid_t ptid, CORE_ADDR *addr) override; |
| |
| const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override; |
| |
| CORE_ADDR read_pc (regcache *regcache) override; |
| |
| void write_pc (regcache *regcache, CORE_ADDR pc) override; |
| |
| bool stopped_by_sw_breakpoint () override; |
| |
| bool supports_stopped_by_sw_breakpoint () override; |
| |
| const char *thread_name (ptid_t thread) override; |
| |
| bool supports_pid_to_exec_file () override |
| { return true; } |
| |
| const char *pid_to_exec_file (int pid) override; |
| |
| bool supports_disable_randomization () override |
| { |
| return windows_nat::disable_randomization_available (); |
| } |
| }; |
| |
| struct gdbserver_windows_process : public windows_nat::windows_process_info |
| { |
| windows_nat::windows_thread_info *thread_rec |
| (ptid_t ptid, |
| windows_nat::thread_disposition_type disposition) override; |
| int handle_output_debug_string (struct target_waitstatus *ourstatus) override; |
| void handle_load_dll (const char *dll_name, LPVOID base) override; |
| void handle_unload_dll () override; |
| bool handle_access_violation (const EXCEPTION_RECORD *rec) override; |
| |
| int attaching = 0; |
| |
| /* A status that hasn't been reported to the core yet, and so |
| win32_wait should return it next, instead of fetching the next |
| debug event off the win32 API. */ |
| struct target_waitstatus cached_status; |
| |
| /* Non zero if an interrupt request is to be satisfied by suspending |
| all threads. */ |
| int soft_interrupt_requested = 0; |
| |
| /* Non zero if the inferior is stopped in a simulated breakpoint done |
| by suspending all the threads. */ |
| int faked_breakpoint = 0; |
| |
| /* True if current_process_handle needs to be closed. */ |
| bool open_process_used = false; |
| |
| /* Zero during the child initialization phase, and nonzero |
| otherwise. */ |
| int child_initialization_done = 0; |
| }; |
| |
| /* The sole Windows process. */ |
| extern gdbserver_windows_process windows_process; |
| |
| /* Retrieve the context for this thread, if not already retrieved. */ |
| extern void win32_require_context (windows_nat::windows_thread_info *th); |
| |
| #endif /* GDBSERVER_WIN32_LOW_H */ |