-struct linux_target_ops
-{
- /* See target.h for details. */
- const gdb_byte *(*sw_breakpoint_from_kind) (int kind, int *size);
-
- /* Find the next possible PCs after the current instruction executes. */
- std::vector<CORE_ADDR> (*get_next_pcs) (struct regcache *regcache);
-
- int decr_pc_after_break;
- int (*breakpoint_at) (CORE_ADDR pc);
-
- /* Breakpoint and 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);
-
- /* Hooks to reformat register data for PEEKUSR/POKEUSR (in particular
- for registers smaller than an xfer unit). */
- void (*collect_ptrace_register) (struct regcache *regcache,
- int regno, char *buf);
- void (*supply_ptrace_register) (struct regcache *regcache,
- int regno, const char *buf);
-
- /* Hook to convert from target format to ptrace format and back.
- Returns true if any conversion was done; false otherwise.
- If DIRECTION is 1, then copy from INF to NATIVE.
- If DIRECTION is 0, copy from NATIVE to INF. */
- int (*siginfo_fixup) (siginfo_t *native, gdb_byte *inf, int direction);
-
- /* Hook to call when a new process is created or attached to.
- If extra per-process architecture-specific data is needed,
- allocate it here. */
- struct arch_process_info * (*new_process) (void);
-
- /* Hook to call when a process is being deleted. If extra per-process
- architecture-specific data is needed, delete it here. */
- void (*delete_process) (struct arch_process_info *info);
-
- /* Hook to call when a new thread is detected.
- If extra per-thread architecture-specific data is needed,
- allocate it here. */
- void (*new_thread) (struct lwp_info *);
-
- /* Hook to call when a thread is being deleted. If extra per-thread
- architecture-specific data is needed, delete it here. */
- void (*delete_thread) (struct arch_lwp_info *);
-
- /* Hook to call, if any, when a new fork is attached. */
- void (*new_fork) (struct process_info *parent, struct process_info *child);
-
- /* Hook to call prior to resuming a thread. */
- void (*prepare_to_resume) (struct lwp_info *);
-
- /* Hook to support target specific qSupported. */
- void (*process_qsupported) (char **, int count);
-
- /* Returns true if the low target supports tracepoints. */
- int (*supports_tracepoints) (void);
-
- /* Fill ADDRP with the thread area address of LWPID. Returns 0 on
- success, -1 on failure. */
- int (*get_thread_area) (int lwpid, CORE_ADDR *addrp);
-
- /* Install a fast tracepoint jump pad. See target.h for
- comments. */
- int (*install_fast_tracepoint_jump_pad) (CORE_ADDR tpoint, CORE_ADDR tpaddr,
- CORE_ADDR collector,
- CORE_ADDR lockaddr,
- ULONGEST orig_size,
- CORE_ADDR *jump_entry,
- CORE_ADDR *trampoline,
- ULONGEST *trampoline_size,
- unsigned char *jjump_pad_insn,
- ULONGEST *jjump_pad_insn_size,
- CORE_ADDR *adjusted_insn_addr,
- CORE_ADDR *adjusted_insn_addr_end,
- char *err);
-
- /* Return the bytecode operations vector for the current inferior.
- Returns NULL if bytecode compilation is not supported. */
- struct emit_ops *(*emit_ops) (void);
-
- /* Return the minimum length of an instruction that can be safely overwritten
- for use as a fast tracepoint. */
- int (*get_min_fast_tracepoint_insn_len) (void);
-
- /* Returns true if the low target supports range stepping. */
- int (*supports_range_stepping) (void);
-
- /* See target.h. */
- int (*supports_hardware_single_step) (void);
-
- /* Fill *SYSNO with the syscall nr trapped. Only to be called when
- inferior is stopped due to SYSCALL_SIGTRAP. */
- void (*get_syscall_trapinfo) (struct regcache *regcache, int *sysno);
-
- /* See target.h. */
- int (*get_ipa_tdesc_idx) (void);
-};
-
-extern struct linux_target_ops the_low_target;
-