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Diffstat (limited to 'gdb/remote-sim.c')
| -rw-r--r-- | gdb/remote-sim.c | 941 |
1 files changed, 0 insertions, 941 deletions
diff --git a/gdb/remote-sim.c b/gdb/remote-sim.c deleted file mode 100644 index 1d037c8fa79..00000000000 --- a/gdb/remote-sim.c +++ /dev/null @@ -1,941 +0,0 @@ -/* Generic remote debugging interface for simulators. - - Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, - 2002 Free Software Foundation, Inc. - - Contributed by Cygnus Support. - Steve Chamberlain (sac@cygnus.com). - - 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. */ - -#include "defs.h" -#include "inferior.h" -#include "value.h" -#include "gdb_string.h" -#include <ctype.h> -#include <fcntl.h> -#include <signal.h> -#include <setjmp.h> -#include <errno.h> -#include "terminal.h" -#include "target.h" -#include "gdbcore.h" -#include "callback.h" -#include "remote-sim.h" -#include "remote-utils.h" -#include "command.h" -#include "regcache.h" - -/* Prototypes */ - -extern void _initialize_remote_sim (void); - -extern int (*ui_loop_hook) (int signo); - -static void dump_mem (char *buf, int len); - -static void init_callbacks (void); - -static void end_callbacks (void); - -static int gdb_os_write_stdout (host_callback *, const char *, int); - -static void gdb_os_flush_stdout (host_callback *); - -static int gdb_os_write_stderr (host_callback *, const char *, int); - -static void gdb_os_flush_stderr (host_callback *); - -static int gdb_os_poll_quit (host_callback *); - -/* printf_filtered is depreciated */ -static void gdb_os_printf_filtered (host_callback *, const char *, ...); - -static void gdb_os_vprintf_filtered (host_callback *, const char *, va_list); - -static void gdb_os_evprintf_filtered (host_callback *, const char *, va_list); - -static void gdb_os_error (host_callback *, const char *, ...); - -static void gdbsim_fetch_register (int regno); - -static void gdbsim_store_register (int regno); - -static void gdbsim_kill (void); - -static void gdbsim_load (char *prog, int fromtty); - -static void gdbsim_create_inferior (char *exec_file, char *args, char **env); - -static void gdbsim_open (char *args, int from_tty); - -static void gdbsim_close (int quitting); - -static void gdbsim_detach (char *args, int from_tty); - -static void gdbsim_resume (ptid_t ptid, int step, enum target_signal siggnal); - -static ptid_t gdbsim_wait (ptid_t ptid, struct target_waitstatus *status); - -static void gdbsim_prepare_to_store (void); - -static int gdbsim_xfer_inferior_memory (CORE_ADDR memaddr, char *myaddr, - int len, int write, - struct mem_attrib *attrib, - struct target_ops *target); - -static void gdbsim_files_info (struct target_ops *target); - -static void gdbsim_mourn_inferior (void); - -static void gdbsim_stop (void); - -void simulator_command (char *args, int from_tty); - -/* Naming convention: - - sim_* are the interface to the simulator (see remote-sim.h). - gdbsim_* are stuff which is internal to gdb. */ - -/* Forward data declarations */ -extern struct target_ops gdbsim_ops; - -static int program_loaded = 0; - -/* We must keep track of whether the simulator has been opened or not because - GDB can call a target's close routine twice, but sim_close doesn't allow - this. We also need to record the result of sim_open so we can pass it - back to the other sim_foo routines. */ -static SIM_DESC gdbsim_desc = 0; - -static void -dump_mem (char *buf, int len) -{ - if (len <= 8) - { - if (len == 8 || len == 4) - { - long l[2]; - memcpy (l, buf, len); - printf_filtered ("\t0x%lx", l[0]); - if (len == 8) - printf_filtered (" 0x%lx", l[1]); - printf_filtered ("\n"); - } - else - { - int i; - printf_filtered ("\t"); - for (i = 0; i < len; i++) - printf_filtered ("0x%x ", buf[i]); - printf_filtered ("\n"); - } - } -} - -static host_callback gdb_callback; -static int callbacks_initialized = 0; - -/* Initialize gdb_callback. */ - -static void -init_callbacks (void) -{ - if (!callbacks_initialized) - { - gdb_callback = default_callback; - gdb_callback.init (&gdb_callback); - gdb_callback.write_stdout = gdb_os_write_stdout; - gdb_callback.flush_stdout = gdb_os_flush_stdout; - gdb_callback.write_stderr = gdb_os_write_stderr; - gdb_callback.flush_stderr = gdb_os_flush_stderr; - gdb_callback.printf_filtered = gdb_os_printf_filtered; - gdb_callback.vprintf_filtered = gdb_os_vprintf_filtered; - gdb_callback.evprintf_filtered = gdb_os_evprintf_filtered; - gdb_callback.error = gdb_os_error; - gdb_callback.poll_quit = gdb_os_poll_quit; - gdb_callback.magic = HOST_CALLBACK_MAGIC; - callbacks_initialized = 1; - } -} - -/* Release callbacks (free resources used by them). */ - -static void -end_callbacks (void) -{ - if (callbacks_initialized) - { - gdb_callback.shutdown (&gdb_callback); - callbacks_initialized = 0; - } -} - -/* GDB version of os_write_stdout callback. */ - -static int -gdb_os_write_stdout (host_callback *p, const char *buf, int len) -{ - int i; - char b[2]; - - ui_file_write (gdb_stdtarg, buf, len); - return len; -} - -/* GDB version of os_flush_stdout callback. */ - -static void -gdb_os_flush_stdout (host_callback *p) -{ - gdb_flush (gdb_stdtarg); -} - -/* GDB version of os_write_stderr callback. */ - -static int -gdb_os_write_stderr (host_callback *p, const char *buf, int len) -{ - int i; - char b[2]; - - for (i = 0; i < len; i++) - { - b[0] = buf[i]; - b[1] = 0; - fputs_unfiltered (b, gdb_stdtarg); - } - return len; -} - -/* GDB version of os_flush_stderr callback. */ - -static void -gdb_os_flush_stderr (host_callback *p) -{ - gdb_flush (gdb_stderr); -} - -/* GDB version of printf_filtered callback. */ - -static void -gdb_os_printf_filtered (host_callback * p, const char *format,...) -{ - va_list args; - va_start (args, format); - - vfprintf_filtered (gdb_stdout, format, args); - - va_end (args); -} - -/* GDB version of error vprintf_filtered. */ - -static void -gdb_os_vprintf_filtered (host_callback * p, const char *format, va_list ap) -{ - vfprintf_filtered (gdb_stdout, format, ap); -} - -/* GDB version of error evprintf_filtered. */ - -static void -gdb_os_evprintf_filtered (host_callback * p, const char *format, va_list ap) -{ - vfprintf_filtered (gdb_stderr, format, ap); -} - -/* GDB version of error callback. */ - -static void -gdb_os_error (host_callback * p, const char *format,...) -{ - if (error_hook) - (*error_hook) (); - else - { - va_list args; - va_start (args, format); - verror (format, args); - va_end (args); - } -} - -static void -gdbsim_fetch_register (int regno) -{ - static int warn_user = 1; - if (regno == -1) - { - for (regno = 0; regno < NUM_REGS; regno++) - gdbsim_fetch_register (regno); - } - else if (REGISTER_NAME (regno) != NULL - && *REGISTER_NAME (regno) != '\0') - { - char buf[MAX_REGISTER_RAW_SIZE]; - int nr_bytes; - if (REGISTER_SIM_REGNO (regno) >= 0) - nr_bytes = sim_fetch_register (gdbsim_desc, - REGISTER_SIM_REGNO (regno), - buf, REGISTER_RAW_SIZE (regno)); - else - nr_bytes = 0; - if (nr_bytes == 0) - /* register not applicable, supply zero's */ - memset (buf, 0, MAX_REGISTER_RAW_SIZE); - else if (nr_bytes > 0 && nr_bytes != REGISTER_RAW_SIZE (regno) - && warn_user) - { - fprintf_unfiltered (gdb_stderr, - "Size of register %s (%d/%d) incorrect (%d instead of %d))", - REGISTER_NAME (regno), - regno, REGISTER_SIM_REGNO (regno), - nr_bytes, REGISTER_RAW_SIZE (regno)); - warn_user = 0; - } - supply_register (regno, buf); - if (sr_get_debug ()) - { - printf_filtered ("gdbsim_fetch_register: %d", regno); - /* FIXME: We could print something more intelligible. */ - dump_mem (buf, REGISTER_RAW_SIZE (regno)); - } - } -} - - -static void -gdbsim_store_register (int regno) -{ - if (regno == -1) - { - for (regno = 0; regno < NUM_REGS; regno++) - gdbsim_store_register (regno); - } - else if (REGISTER_NAME (regno) != NULL - && *REGISTER_NAME (regno) != '\0' - && REGISTER_SIM_REGNO (regno) >= 0) - { - char tmp[MAX_REGISTER_RAW_SIZE]; - int nr_bytes; - read_register_gen (regno, tmp); - nr_bytes = sim_store_register (gdbsim_desc, - REGISTER_SIM_REGNO (regno), - tmp, REGISTER_RAW_SIZE (regno)); - if (nr_bytes > 0 && nr_bytes != REGISTER_RAW_SIZE (regno)) - internal_error (__FILE__, __LINE__, - "Register size different to expected"); - if (sr_get_debug ()) - { - printf_filtered ("gdbsim_store_register: %d", regno); - /* FIXME: We could print something more intelligible. */ - dump_mem (tmp, REGISTER_RAW_SIZE (regno)); - } - } -} - -/* Kill the running program. This may involve closing any open files - and releasing other resources acquired by the simulated program. */ - -static void -gdbsim_kill (void) -{ - if (sr_get_debug ()) - printf_filtered ("gdbsim_kill\n"); - - /* There is no need to `kill' running simulator - the simulator is - not running */ - inferior_ptid = null_ptid; -} - -/* Load an executable file into the target process. This is expected to - not only bring new code into the target process, but also to update - GDB's symbol tables to match. */ - -static void -gdbsim_load (char *prog, int fromtty) -{ - if (sr_get_debug ()) - printf_filtered ("gdbsim_load: prog \"%s\"\n", prog); - - inferior_ptid = null_ptid; - - /* FIXME: We will print two messages on error. - Need error to either not print anything if passed NULL or need - another routine that doesn't take any arguments. */ - if (sim_load (gdbsim_desc, prog, NULL, fromtty) == SIM_RC_FAIL) - error ("unable to load program"); - - /* FIXME: If a load command should reset the targets registers then - a call to sim_create_inferior() should go here. */ - - program_loaded = 1; -} - - -/* Start an inferior process and set inferior_ptid to its pid. - EXEC_FILE is the file to run. - ARGS is a string containing the arguments to the program. - ENV is the environment vector to pass. Errors reported with error(). - On VxWorks and various standalone systems, we ignore exec_file. */ -/* This is called not only when we first attach, but also when the - user types "run" after having attached. */ - -static void -gdbsim_create_inferior (char *exec_file, char *args, char **env) -{ - int len; - char *arg_buf, **argv; - - if (exec_file == 0 || exec_bfd == 0) - warning ("No executable file specified."); - if (!program_loaded) - warning ("No program loaded."); - - if (sr_get_debug ()) - printf_filtered ("gdbsim_create_inferior: exec_file \"%s\", args \"%s\"\n", - (exec_file ? exec_file : "(NULL)"), - args); - - gdbsim_kill (); - remove_breakpoints (); - init_wait_for_inferior (); - - if (exec_file != NULL) - { - len = strlen (exec_file) + 1 + strlen (args) + 1 + /*slop */ 10; - arg_buf = (char *) alloca (len); - arg_buf[0] = '\0'; - strcat (arg_buf, exec_file); - strcat (arg_buf, " "); - strcat (arg_buf, args); - argv = buildargv (arg_buf); - make_cleanup_freeargv (argv); - } - else - argv = NULL; - sim_create_inferior (gdbsim_desc, exec_bfd, argv, env); - - inferior_ptid = pid_to_ptid (42); - insert_breakpoints (); /* Needed to get correct instruction in cache */ - - clear_proceed_status (); - - /* NB: Entry point already set by sim_create_inferior. */ - proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); -} - -/* The open routine takes the rest of the parameters from the command, - and (if successful) pushes a new target onto the stack. - Targets should supply this routine, if only to provide an error message. */ -/* Called when selecting the simulator. EG: (gdb) target sim name. */ - -static void -gdbsim_open (char *args, int from_tty) -{ - int len; - char *arg_buf; - char **argv; - - if (sr_get_debug ()) - printf_filtered ("gdbsim_open: args \"%s\"\n", args ? args : "(null)"); - - /* Remove current simulator if one exists. Only do this if the simulator - has been opened because sim_close requires it. - This is important because the call to push_target below will cause - sim_close to be called if the simulator is already open, but push_target - is called after sim_open! We can't move the call to push_target before - the call to sim_open because sim_open may invoke `error'. */ - if (gdbsim_desc != NULL) - unpush_target (&gdbsim_ops); - - len = (7 + 1 /* gdbsim */ - + strlen (" -E little") - + strlen (" --architecture=xxxxxxxxxx") - + (args ? strlen (args) : 0) - + 50) /* slack */ ; - arg_buf = (char *) alloca (len); - strcpy (arg_buf, "gdbsim"); /* 7 */ - /* Specify the byte order for the target when it is both selectable - and explicitly specified by the user (not auto detected). */ - if (!TARGET_BYTE_ORDER_AUTO) - { - switch (TARGET_BYTE_ORDER) - { - case BFD_ENDIAN_BIG: - strcat (arg_buf, " -E big"); - break; - case BFD_ENDIAN_LITTLE: - strcat (arg_buf, " -E little"); - break; - default: - internal_error (__FILE__, __LINE__, - "Value of TARGET_BYTE_ORDER unknown"); - } - } - /* Specify the architecture of the target when it has been - explicitly specified */ - if (!TARGET_ARCHITECTURE_AUTO) - { - strcat (arg_buf, " --architecture="); - strcat (arg_buf, TARGET_ARCHITECTURE->printable_name); - } - /* finally, any explicit args */ - if (args) - { - strcat (arg_buf, " "); /* 1 */ - strcat (arg_buf, args); - } - argv = buildargv (arg_buf); - if (argv == NULL) - error ("Insufficient memory available to allocate simulator arg list."); - make_cleanup_freeargv (argv); - - init_callbacks (); - gdbsim_desc = sim_open (SIM_OPEN_DEBUG, &gdb_callback, exec_bfd, argv); - - if (gdbsim_desc == 0) - error ("unable to create simulator instance"); - - push_target (&gdbsim_ops); - target_fetch_registers (-1); - printf_filtered ("Connected to the simulator.\n"); -} - -/* Does whatever cleanup is required for a target that we are no longer - going to be calling. Argument says whether we are quitting gdb and - should not get hung in case of errors, or whether we want a clean - termination even if it takes a while. This routine is automatically - always called just before a routine is popped off the target stack. - Closing file descriptors and freeing memory are typical things it should - do. */ -/* Close out all files and local state before this target loses control. */ - -static void -gdbsim_close (int quitting) -{ - if (sr_get_debug ()) - printf_filtered ("gdbsim_close: quitting %d\n", quitting); - - program_loaded = 0; - - if (gdbsim_desc != NULL) - { - sim_close (gdbsim_desc, quitting); - gdbsim_desc = NULL; - } - - end_callbacks (); - generic_mourn_inferior (); -} - -/* Takes a program previously attached to and detaches it. - The program may resume execution (some targets do, some don't) and will - no longer stop on signals, etc. We better not have left any breakpoints - in the program or it'll die when it hits one. ARGS is arguments - typed by the user (e.g. a signal to send the process). FROM_TTY - says whether to be verbose or not. */ -/* Terminate the open connection to the remote debugger. - Use this when you want to detach and do something else with your gdb. */ - -static void -gdbsim_detach (char *args, int from_tty) -{ - if (sr_get_debug ()) - printf_filtered ("gdbsim_detach: args \"%s\"\n", args); - - pop_target (); /* calls gdbsim_close to do the real work */ - if (from_tty) - printf_filtered ("Ending simulator %s debugging\n", target_shortname); -} - -/* Resume execution of the target process. STEP says whether to single-step - or to run free; SIGGNAL is the signal value (e.g. SIGINT) to be given - to the target, or zero for no signal. */ - -static enum target_signal resume_siggnal; -static int resume_step; - -static void -gdbsim_resume (ptid_t ptid, int step, enum target_signal siggnal) -{ - if (PIDGET (inferior_ptid) != 42) - error ("The program is not being run."); - - if (sr_get_debug ()) - printf_filtered ("gdbsim_resume: step %d, signal %d\n", step, siggnal); - - resume_siggnal = siggnal; - resume_step = step; -} - -/* Notify the simulator of an asynchronous request to stop. - - The simulator shall ensure that the stop request is eventually - delivered to the simulator. If the call is made while the - simulator is not running then the stop request is processed when - the simulator is next resumed. - - For simulators that do not support this operation, just abort */ - -static void -gdbsim_stop (void) -{ - if (!sim_stop (gdbsim_desc)) - { - quit (); - } -} - -/* GDB version of os_poll_quit callback. - Taken from gdb/util.c - should be in a library */ - -static int -gdb_os_poll_quit (host_callback *p) -{ - if (ui_loop_hook != NULL) - ui_loop_hook (0); - - if (quit_flag) /* gdb's idea of quit */ - { - quit_flag = 0; /* we've stolen it */ - return 1; - } - else if (immediate_quit) - { - return 1; - } - return 0; -} - -/* Wait for inferior process to do something. Return pid of child, - or -1 in case of error; store status through argument pointer STATUS, - just as `wait' would. */ - -static void -gdbsim_cntrl_c (int signo) -{ - gdbsim_stop (); -} - -static ptid_t -gdbsim_wait (ptid_t ptid, struct target_waitstatus *status) -{ - static RETSIGTYPE (*prev_sigint) (); - int sigrc = 0; - enum sim_stop reason = sim_running; - - if (sr_get_debug ()) - printf_filtered ("gdbsim_wait\n"); - -#if defined (HAVE_SIGACTION) && defined (SA_RESTART) - { - struct sigaction sa, osa; - sa.sa_handler = gdbsim_cntrl_c; - sigemptyset (&sa.sa_mask); - sa.sa_flags = 0; - sigaction (SIGINT, &sa, &osa); - prev_sigint = osa.sa_handler; - } -#else - prev_sigint = signal (SIGINT, gdbsim_cntrl_c); -#endif - sim_resume (gdbsim_desc, resume_step, - target_signal_to_host (resume_siggnal)); - signal (SIGINT, prev_sigint); - resume_step = 0; - - sim_stop_reason (gdbsim_desc, &reason, &sigrc); - - switch (reason) - { - case sim_exited: - status->kind = TARGET_WAITKIND_EXITED; - status->value.integer = sigrc; - break; - case sim_stopped: - switch (sigrc) - { - case SIGABRT: - quit (); - break; - case SIGINT: - case SIGTRAP: - default: - status->kind = TARGET_WAITKIND_STOPPED; - /* The signal in sigrc is a host signal. That probably - should be fixed. */ - status->value.sig = target_signal_from_host (sigrc); - break; - } - break; - case sim_signalled: - status->kind = TARGET_WAITKIND_SIGNALLED; - /* The signal in sigrc is a host signal. That probably - should be fixed. */ - status->value.sig = target_signal_from_host (sigrc); - break; - case sim_running: - case sim_polling: - /* FIXME: Is this correct? */ - break; - } - - return inferior_ptid; -} - -/* Get ready to modify the registers array. On machines which store - individual registers, this doesn't need to do anything. On machines - which store all the registers in one fell swoop, this makes sure - that registers contains all the registers from the program being - debugged. */ - -static void -gdbsim_prepare_to_store (void) -{ - /* Do nothing, since we can store individual regs */ -} - -/* Transfer LEN bytes between GDB address MYADDR and target address - MEMADDR. If WRITE is non-zero, transfer them to the target, - otherwise transfer them from the target. TARGET is unused. - - Returns the number of bytes transferred. */ - -static int -gdbsim_xfer_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len, - int write, struct mem_attrib *attrib, - struct target_ops *target) -{ - if (!program_loaded) - error ("No program loaded."); - - if (sr_get_debug ()) - { - /* FIXME: Send to something other than STDOUT? */ - printf_filtered ("gdbsim_xfer_inferior_memory: myaddr 0x"); - gdb_print_host_address (myaddr, gdb_stdout); - printf_filtered (", memaddr 0x%s, len %d, write %d\n", - paddr_nz (memaddr), len, write); - if (sr_get_debug () && write) - dump_mem (myaddr, len); - } - - if (write) - { - len = sim_write (gdbsim_desc, memaddr, myaddr, len); - } - else - { - len = sim_read (gdbsim_desc, memaddr, myaddr, len); - if (sr_get_debug () && len > 0) - dump_mem (myaddr, len); - } - return len; -} - -static void -gdbsim_files_info (struct target_ops *target) -{ - char *file = "nothing"; - - if (exec_bfd) - file = bfd_get_filename (exec_bfd); - - if (sr_get_debug ()) - printf_filtered ("gdbsim_files_info: file \"%s\"\n", file); - - if (exec_bfd) - { - printf_filtered ("\tAttached to %s running program %s\n", - target_shortname, file); - sim_info (gdbsim_desc, 0); - } -} - -/* Clear the simulator's notion of what the break points are. */ - -static void -gdbsim_mourn_inferior (void) -{ - if (sr_get_debug ()) - printf_filtered ("gdbsim_mourn_inferior:\n"); - - remove_breakpoints (); - generic_mourn_inferior (); -} - -static int -gdbsim_insert_breakpoint (CORE_ADDR addr, char *contents_cache) -{ -#ifdef SIM_HAS_BREAKPOINTS - SIM_RC retcode; - - retcode = sim_set_breakpoint (gdbsim_desc, addr); - - switch (retcode) - { - case SIM_RC_OK: - return 0; - case SIM_RC_INSUFFICIENT_RESOURCES: - return ENOMEM; - default: - return EIO; - } -#else - return memory_insert_breakpoint (addr, contents_cache); -#endif -} - -static int -gdbsim_remove_breakpoint (CORE_ADDR addr, char *contents_cache) -{ -#ifdef SIM_HAS_BREAKPOINTS - SIM_RC retcode; - - retcode = sim_clear_breakpoint (gdbsim_desc, addr); - - switch (retcode) - { - case SIM_RC_OK: - case SIM_RC_UNKNOWN_BREAKPOINT: - return 0; - case SIM_RC_INSUFFICIENT_RESOURCES: - return ENOMEM; - default: - return EIO; - } -#else - return memory_remove_breakpoint (addr, contents_cache); -#endif -} - -/* Pass the command argument through to the simulator verbatim. The - simulator must do any command interpretation work. */ - -void -simulator_command (char *args, int from_tty) -{ - if (gdbsim_desc == NULL) - { - - /* PREVIOUSLY: The user may give a command before the simulator - is opened. [...] (??? assuming of course one wishes to - continue to allow commands to be sent to unopened simulators, - which isn't entirely unreasonable). */ - - /* The simulator is a builtin abstraction of a remote target. - Consistent with that model, access to the simulator, via sim - commands, is restricted to the period when the channel to the - simulator is open. */ - - error ("Not connected to the simulator target"); - } - - sim_do_command (gdbsim_desc, args); - - /* Invalidate the register cache, in case the simulator command does - something funny. */ - registers_changed (); -} - -/* Define the target subroutine names */ - -struct target_ops gdbsim_ops; - -static void -init_gdbsim_ops (void) -{ - gdbsim_ops.to_shortname = "sim"; - gdbsim_ops.to_longname = "simulator"; - gdbsim_ops.to_doc = "Use the compiled-in simulator."; - gdbsim_ops.to_open = gdbsim_open; - gdbsim_ops.to_close = gdbsim_close; - gdbsim_ops.to_attach = NULL; - gdbsim_ops.to_post_attach = NULL; - gdbsim_ops.to_require_attach = NULL; - gdbsim_ops.to_detach = gdbsim_detach; - gdbsim_ops.to_require_detach = NULL; - gdbsim_ops.to_resume = gdbsim_resume; - gdbsim_ops.to_wait = gdbsim_wait; - gdbsim_ops.to_post_wait = NULL; - gdbsim_ops.to_fetch_registers = gdbsim_fetch_register; - gdbsim_ops.to_store_registers = gdbsim_store_register; - gdbsim_ops.to_prepare_to_store = gdbsim_prepare_to_store; - gdbsim_ops.to_xfer_memory = gdbsim_xfer_inferior_memory; - gdbsim_ops.to_files_info = gdbsim_files_info; - gdbsim_ops.to_insert_breakpoint = gdbsim_insert_breakpoint; - gdbsim_ops.to_remove_breakpoint = gdbsim_remove_breakpoint; - gdbsim_ops.to_terminal_init = NULL; - gdbsim_ops.to_terminal_inferior = NULL; - gdbsim_ops.to_terminal_ours_for_output = NULL; - gdbsim_ops.to_terminal_ours = NULL; - gdbsim_ops.to_terminal_info = NULL; - gdbsim_ops.to_kill = gdbsim_kill; - gdbsim_ops.to_load = gdbsim_load; - gdbsim_ops.to_lookup_symbol = NULL; - gdbsim_ops.to_create_inferior = gdbsim_create_inferior; - gdbsim_ops.to_post_startup_inferior = NULL; - gdbsim_ops.to_acknowledge_created_inferior = NULL; - gdbsim_ops.to_clone_and_follow_inferior = NULL; - gdbsim_ops.to_post_follow_inferior_by_clone = NULL; - gdbsim_ops.to_insert_fork_catchpoint = NULL; - gdbsim_ops.to_remove_fork_catchpoint = NULL; - gdbsim_ops.to_insert_vfork_catchpoint = NULL; - gdbsim_ops.to_remove_vfork_catchpoint = NULL; - gdbsim_ops.to_has_forked = NULL; - gdbsim_ops.to_has_vforked = NULL; - gdbsim_ops.to_can_follow_vfork_prior_to_exec = NULL; - gdbsim_ops.to_post_follow_vfork = NULL; - gdbsim_ops.to_insert_exec_catchpoint = NULL; - gdbsim_ops.to_remove_exec_catchpoint = NULL; - gdbsim_ops.to_has_execd = NULL; - gdbsim_ops.to_reported_exec_events_per_exec_call = NULL; - gdbsim_ops.to_has_exited = NULL; - gdbsim_ops.to_mourn_inferior = gdbsim_mourn_inferior; - gdbsim_ops.to_can_run = 0; - gdbsim_ops.to_notice_signals = 0; - gdbsim_ops.to_thread_alive = 0; - gdbsim_ops.to_stop = gdbsim_stop; - gdbsim_ops.to_pid_to_exec_file = NULL; - gdbsim_ops.to_stratum = process_stratum; - gdbsim_ops.DONT_USE = NULL; - gdbsim_ops.to_has_all_memory = 1; - gdbsim_ops.to_has_memory = 1; - gdbsim_ops.to_has_stack = 1; - gdbsim_ops.to_has_registers = 1; - gdbsim_ops.to_has_execution = 1; - gdbsim_ops.to_sections = NULL; - gdbsim_ops.to_sections_end = NULL; - gdbsim_ops.to_magic = OPS_MAGIC; - -#ifdef TARGET_REDEFINE_DEFAULT_OPS - TARGET_REDEFINE_DEFAULT_OPS (&gdbsim_ops); -#endif -} - -void -_initialize_remote_sim (void) -{ - init_gdbsim_ops (); - add_target (&gdbsim_ops); - - add_com ("sim <command>", class_obscure, simulator_command, - "Send a command to the simulator."); -} |