mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-09 04:21:49 +08:00
5a1f5858d4
left-padded registers. * linux-low.h (struct linux_target_ops): Add left_pad_xfer. * linux-ppc64-low.c (the_low_target): Set left_pad_xfer.
131 lines
4.0 KiB
C
131 lines
4.0 KiB
C
/* Internal interfaces for the GNU/Linux specific target code for gdbserver.
|
|
Copyright 2002, 2004, 2005 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 2 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, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#ifdef HAVE_LINUX_REGSETS
|
|
typedef void (*regset_fill_func) (void *);
|
|
typedef void (*regset_store_func) (const void *);
|
|
enum regset_type {
|
|
GENERAL_REGS,
|
|
FP_REGS,
|
|
EXTENDED_REGS,
|
|
};
|
|
|
|
struct regset_info
|
|
{
|
|
int get_request, set_request;
|
|
int size;
|
|
enum regset_type type;
|
|
regset_fill_func fill_function;
|
|
regset_store_func store_function;
|
|
};
|
|
extern struct regset_info target_regsets[];
|
|
#endif
|
|
|
|
struct linux_target_ops
|
|
{
|
|
int num_regs;
|
|
int *regmap;
|
|
int (*cannot_fetch_register) (int);
|
|
|
|
/* Returns 0 if we can store the register, 1 if we can not
|
|
store the register, and 2 if failure to store the register
|
|
is acceptable. */
|
|
int (*cannot_store_register) (int);
|
|
CORE_ADDR (*get_pc) (void);
|
|
void (*set_pc) (CORE_ADDR newpc);
|
|
const unsigned char *breakpoint;
|
|
int breakpoint_len;
|
|
CORE_ADDR (*breakpoint_reinsert_addr) (void);
|
|
|
|
|
|
int decr_pc_after_break;
|
|
int (*breakpoint_at) (CORE_ADDR pc);
|
|
|
|
/* Watchpoint related functions. See target.h for comments. */
|
|
int (*insert_watchpoint) (char type, CORE_ADDR addr, int len);
|
|
int (*remove_watchpoint) (char type, CORE_ADDR addr, int len);
|
|
int (*stopped_by_watchpoint) (void);
|
|
CORE_ADDR (*stopped_data_address) (void);
|
|
|
|
/* Whether to left-pad registers for PEEKUSR/POKEUSR if they are smaller
|
|
than an xfer unit. */
|
|
int left_pad_xfer;
|
|
};
|
|
|
|
extern struct linux_target_ops the_low_target;
|
|
|
|
#define get_process(inf) ((struct process_info *)(inf))
|
|
#define get_thread_process(thr) (get_process (inferior_target_data (thr)))
|
|
#define get_process_thread(proc) ((struct thread_info *) \
|
|
find_inferior_id (&all_threads, \
|
|
get_process (proc)->tid))
|
|
|
|
struct process_info
|
|
{
|
|
struct inferior_list_entry head;
|
|
int thread_known;
|
|
unsigned long lwpid;
|
|
unsigned long tid;
|
|
|
|
/* If this flag is set, the next SIGSTOP will be ignored (the process will
|
|
be immediately resumed). */
|
|
int stop_expected;
|
|
|
|
/* If this flag is set, the process is known to be stopped right now (stop
|
|
event already received in a wait()). */
|
|
int stopped;
|
|
|
|
/* If this flag is set, we have sent a SIGSTOP to this process and are
|
|
waiting for it to stop. */
|
|
int sigstop_sent;
|
|
|
|
/* If this flag is set, STATUS_PENDING is a waitstatus that has not yet
|
|
been reported. */
|
|
int status_pending_p;
|
|
int status_pending;
|
|
|
|
/* If this flag is set, the pending status is a (GDB-placed) breakpoint. */
|
|
int pending_is_breakpoint;
|
|
CORE_ADDR pending_stop_pc;
|
|
|
|
/* If this is non-zero, it is a breakpoint to be reinserted at our next
|
|
stop (SIGTRAP stops only). */
|
|
CORE_ADDR bp_reinsert;
|
|
|
|
/* If this flag is set, the last continue operation on this process
|
|
was a single-step. */
|
|
int stepping;
|
|
|
|
/* If this is non-zero, it points to a chain of signals which need to
|
|
be delivered to this process. */
|
|
struct pending_signals *pending_signals;
|
|
|
|
/* A link used when resuming. It is initialized from the resume request,
|
|
and then processed and cleared in linux_resume_one_process. */
|
|
|
|
struct thread_resume *resume;
|
|
};
|
|
|
|
extern struct inferior_list all_processes;
|
|
|
|
void linux_attach_lwp (unsigned long pid, unsigned long tid);
|
|
|
|
int thread_db_init (void);
|