X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=gdb%2Fremote-sim.c;h=7875f77076c48c67332217ffd2a242e18fdec422;hb=91158a569dc571a9916dfad98c6c95ce789ad18d;hp=b337769dcfcaa0fb7853e28becdc0bb3e0507cf1;hpb=6fbd21a1cee8c0f55252cd0f0c06423aaddaf70f;p=binutils-gdb.git diff --git a/gdb/remote-sim.c b/gdb/remote-sim.c index b337769dcfc..7875f77076c 100644 --- a/gdb/remote-sim.c +++ b/gdb/remote-sim.c @@ -1,7 +1,7 @@ /* Generic remote debugging interface for simulators. Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, - 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. + 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. Contributed by Cygnus Support. Steve Chamberlain (sac@cygnus.com). @@ -70,13 +70,10 @@ 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 gdb_os_error (host_callback *, const char *, ...) + ATTRIBUTE_NORETURN; -static void gdbsim_fetch_register (struct regcache *regcache, int regno); - -static void gdbsim_store_register (struct regcache *regcache, int regno); - -static void gdbsim_kill (void); +static void gdbsim_kill (struct target_ops *); static void gdbsim_load (char *prog, int fromtty); @@ -84,17 +81,13 @@ 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_detach (struct target_ops *ops, char *args, int from_tty); static void gdbsim_prepare_to_store (struct regcache *regcache); static void gdbsim_files_info (struct target_ops *target); -static void gdbsim_mourn_inferior (void); +static void gdbsim_mourn_inferior (struct target_ops *target); static void gdbsim_stop (ptid_t ptid); @@ -130,6 +123,7 @@ dump_mem (char *buf, int len) if (len == 8 || len == 4) { long l[2]; + memcpy (l, buf, len); printf_filtered ("\t0x%lx", l[0]); if (len == 8) @@ -139,6 +133,7 @@ dump_mem (char *buf, int len) else { int i; + printf_filtered ("\t"); for (i = 0; i < len; i++) printf_filtered ("0x%x ", buf[i]); @@ -236,10 +231,9 @@ static void gdb_os_printf_filtered (host_callback * p, const char *format,...) { va_list args; - va_start (args, format); + va_start (args, format); vfprintf_filtered (gdb_stdout, format, args); - va_end (args); } @@ -262,17 +256,13 @@ gdb_os_evprintf_filtered (host_callback * p, const char *format, va_list ap) /* GDB version of error callback. */ static void -gdb_os_error (host_callback * p, const char *format,...) +gdb_os_error (host_callback * p, const char *format, ...) { - if (deprecated_error_hook) - (*deprecated_error_hook) (); - else - { - va_list args; - va_start (args, format); - verror (format, args); - va_end (args); - } + va_list args; + + va_start (args, format); + verror (format, args); + va_end (args); } int @@ -284,13 +274,15 @@ one2one_register_sim_regno (struct gdbarch *gdbarch, int regnum) } static void -gdbsim_fetch_register (struct regcache *regcache, int regno) +gdbsim_fetch_register (struct target_ops *ops, + struct regcache *regcache, int regno) { struct gdbarch *gdbarch = get_regcache_arch (regcache); + if (regno == -1) { for (regno = 0; regno < gdbarch_num_regs (gdbarch); regno++) - gdbsim_fetch_register (regcache, regno); + gdbsim_fetch_register (ops, regcache, regno); return; } @@ -304,6 +296,7 @@ gdbsim_fetch_register (struct regcache *regcache, int regno) as an ``unavailable'' register. */ char buf[MAX_REGISTER_SIZE]; int nr_bytes; + memset (buf, 0, MAX_REGISTER_SIZE); regcache_raw_supply (regcache, regno, buf); break; @@ -314,6 +307,7 @@ gdbsim_fetch_register (struct regcache *regcache, int regno) static int warn_user = 1; char buf[MAX_REGISTER_SIZE]; int nr_bytes; + gdb_assert (regno >= 0 && regno < gdbarch_num_regs (gdbarch)); memset (buf, 0, MAX_REGISTER_SIZE); nr_bytes = sim_fetch_register (gdbsim_desc, @@ -352,19 +346,21 @@ gdbsim_fetch_register (struct regcache *regcache, int regno) static void -gdbsim_store_register (struct regcache *regcache, int regno) +gdbsim_store_register (struct target_ops *ops, + struct regcache *regcache, int regno) { struct gdbarch *gdbarch = get_regcache_arch (regcache); if (regno == -1) { for (regno = 0; regno < gdbarch_num_regs (gdbarch); regno++) - gdbsim_store_register (regcache, regno); + gdbsim_store_register (ops, regcache, regno); return; } else if (gdbarch_register_sim_regno (gdbarch, regno) >= 0) { char tmp[MAX_REGISTER_SIZE]; int nr_bytes; + regcache_cooked_read (regcache, regno, tmp); nr_bytes = sim_store_register (gdbsim_desc, gdbarch_register_sim_regno @@ -389,7 +385,7 @@ gdbsim_store_register (struct regcache *regcache, int regno) and releasing other resources acquired by the simulated program. */ static void -gdbsim_kill (void) +gdbsim_kill (struct target_ops *ops) { if (remote_debug) printf_filtered ("gdbsim_kill\n"); @@ -406,12 +402,13 @@ gdbsim_kill (void) static void gdbsim_load (char *args, int fromtty) { - char **argv = buildargv (args); + char **argv; char *prog; - if (argv == NULL) - nomem (0); + if (args == NULL) + error_no_arg (_("program to load")); + argv = gdb_buildargv (args); make_cleanup_freeargv (argv); prog = tilde_expand (argv[0]); @@ -444,7 +441,8 @@ gdbsim_load (char *args, int fromtty) user types "run" after having attached. */ static void -gdbsim_create_inferior (char *exec_file, char *args, char **env, int from_tty) +gdbsim_create_inferior (struct target_ops *target, char *exec_file, char *args, + char **env, int from_tty) { int len; char *arg_buf, **argv; @@ -460,7 +458,7 @@ gdbsim_create_inferior (char *exec_file, char *args, char **env, int from_tty) args); if (ptid_equal (inferior_ptid, remote_sim_ptid)) - gdbsim_kill (); + gdbsim_kill (target); remove_breakpoints (); init_wait_for_inferior (); @@ -472,7 +470,7 @@ gdbsim_create_inferior (char *exec_file, char *args, char **env, int from_tty) strcat (arg_buf, exec_file); strcat (arg_buf, " "); strcat (arg_buf, args); - argv = buildargv (arg_buf); + argv = gdb_buildargv (arg_buf); make_cleanup_freeargv (argv); } else @@ -480,10 +478,9 @@ gdbsim_create_inferior (char *exec_file, char *args, char **env, int from_tty) sim_create_inferior (gdbsim_desc, exec_bfd, argv, env); inferior_ptid = remote_sim_ptid; - add_inferior_silent (ptid_get_pid (inferior_ptid)); + inferior_appeared (current_inferior (), ptid_get_pid (inferior_ptid)); add_thread_silent (inferior_ptid); - target_mark_running (&gdbsim_ops); insert_breakpoints (); /* Needed to get correct instruction in cache */ clear_proceed_status (); @@ -546,9 +543,7 @@ gdbsim_open (char *args, int from_tty) strcat (arg_buf, " "); /* 1 */ strcat (arg_buf, args); } - argv = buildargv (arg_buf); - if (argv == NULL) - error (_("Insufficient memory available to allocate simulator arg list.")); + argv = gdb_buildargv (arg_buf); make_cleanup_freeargv (argv); init_callbacks (); @@ -563,7 +558,6 @@ gdbsim_open (char *args, int from_tty) /* There's nothing running after "target sim" or "load"; not until "run". */ inferior_ptid = null_ptid; - target_mark_exited (&gdbsim_ops); } /* Does whatever cleanup is required for a target that we are no longer @@ -605,7 +599,7 @@ gdbsim_close (int quitting) Use this when you want to detach and do something else with your gdb. */ static void -gdbsim_detach (char *args, int from_tty) +gdbsim_detach (struct target_ops *ops, char *args, int from_tty) { if (remote_debug) printf_filtered ("gdbsim_detach: args \"%s\"\n", args); @@ -623,7 +617,8 @@ static enum target_signal resume_siggnal; static int resume_step; static void -gdbsim_resume (ptid_t ptid, int step, enum target_signal siggnal) +gdbsim_resume (struct target_ops *ops, + ptid_t ptid, int step, enum target_signal siggnal) { if (!ptid_equal (inferior_ptid, remote_sim_ptid)) error (_("The program is not being run.")); @@ -685,7 +680,8 @@ gdbsim_cntrl_c (int signo) } static ptid_t -gdbsim_wait (ptid_t ptid, struct target_waitstatus *status) +gdbsim_wait (struct target_ops *ops, + ptid_t ptid, struct target_waitstatus *status, int options) { static RETSIGTYPE (*prev_sigint) (); int sigrc = 0; @@ -782,8 +778,8 @@ gdbsim_xfer_inferior_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len, /* 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); + printf_filtered (", memaddr %s, len %d, write %d\n", + paddress (target_gdbarch, memaddr), len, write); if (remote_debug && write) dump_mem (myaddr, len); } @@ -804,7 +800,7 @@ gdbsim_xfer_inferior_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len, static void gdbsim_files_info (struct target_ops *target) { - char *file = "nothing"; + const char *file = "nothing"; if (exec_bfd) file = bfd_get_filename (exec_bfd); @@ -823,13 +819,12 @@ gdbsim_files_info (struct target_ops *target) /* Clear the simulator's notion of what the break points are. */ static void -gdbsim_mourn_inferior (void) +gdbsim_mourn_inferior (struct target_ops *target) { if (remote_debug) printf_filtered ("gdbsim_mourn_inferior:\n"); remove_breakpoints (); - target_mark_exited (&gdbsim_ops); generic_mourn_inferior (); delete_thread_silent (remote_sim_ptid); } @@ -866,7 +861,7 @@ simulator_command (char *args, int from_tty) /* Check to see if a thread is still alive. */ static int -gdbsim_thread_alive (ptid_t ptid) +gdbsim_thread_alive (struct target_ops *ops, ptid_t ptid) { if (ptid_equal (ptid, remote_sim_ptid)) /* The simulators' task is always alive. */ @@ -879,7 +874,7 @@ gdbsim_thread_alive (ptid_t ptid) buffer. */ static char * -gdbsim_pid_to_str (ptid_t ptid) +gdbsim_pid_to_str (struct target_ops *ops, ptid_t ptid) { static char buf[64]; @@ -922,11 +917,11 @@ init_gdbsim_ops (void) gdbsim_ops.to_thread_alive = gdbsim_thread_alive; gdbsim_ops.to_pid_to_str = gdbsim_pid_to_str; gdbsim_ops.to_stratum = process_stratum; - 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_has_all_memory = default_child_has_all_memory; + gdbsim_ops.to_has_memory = default_child_has_memory; + gdbsim_ops.to_has_stack = default_child_has_stack; + gdbsim_ops.to_has_registers = default_child_has_registers; + gdbsim_ops.to_has_execution = default_child_has_execution; gdbsim_ops.to_magic = OPS_MAGIC; }