/* GDB interface to ARM RDI library.
- Copyright 1997, 1998 Free Software Foundation, Inc.
+ Copyright 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of GDB.
#include "bfd.h"
#include "symfile.h"
#include "target.h"
-#include "wait.h"
#include "gdbcmd.h"
#include "objfiles.h"
#include "gdb-stabs.h"
#include "gdbthread.h"
#include "gdbcore.h"
+#include "breakpoint.h"
+#include "completer.h"
+#include "regcache.h"
#ifdef USG
#include <sys/types.h>
#include "rdi-share/adp.h"
#include "rdi-share/hsys.h"
-extern int isascii PARAMS ((int));
+extern int isascii (int);
/* Prototypes for local functions */
-static void arm_rdi_files_info PARAMS ((struct target_ops * ignore));
+static void arm_rdi_files_info (struct target_ops *ignore);
-static int arm_rdi_xfer_memory PARAMS ((CORE_ADDR memaddr, char *myaddr,
- int len, int should_write,
- struct target_ops * target));
+static int arm_rdi_xfer_memory (CORE_ADDR memaddr, char *myaddr,
+ int len, int should_write,
+ struct mem_attrib *attrib,
+ struct target_ops *target);
-static void arm_rdi_prepare_to_store PARAMS ((void));
+static void arm_rdi_prepare_to_store (void);
-static void arm_rdi_fetch_registers PARAMS ((int regno));
+static void arm_rdi_fetch_registers (int regno);
-static void arm_rdi_resume PARAMS ((int pid, int step,
- enum target_signal siggnal));
+static void arm_rdi_resume (ptid_t pid, int step,
+ enum target_signal siggnal);
-static int arm_rdi_start_remote PARAMS ((char *dummy));
+static int arm_rdi_start_remote (char *dummy);
-static void arm_rdi_open PARAMS ((char *name, int from_tty));
+static void arm_rdi_open (char *name, int from_tty);
-static void arm_rdi_create_inferior PARAMS ((char *exec_file, char *args,
- char **env));
+static void arm_rdi_create_inferior (char *exec_file, char *args, char **env);
-static void arm_rdi_close PARAMS ((int quitting));
+static void arm_rdi_close (int quitting);
-static void arm_rdi_store_registers PARAMS ((int regno));
+static void arm_rdi_store_registers (int regno);
-static void arm_rdi_mourn PARAMS ((void));
+static void arm_rdi_mourn (void);
-static void arm_rdi_send PARAMS ((char *buf));
+static void arm_rdi_send (char *buf);
-static int arm_rdi_wait PARAMS ((int pid, struct target_waitstatus * status));
+static ptid_t arm_rdi_wait (ptid_t ptid, struct target_waitstatus *status);
-static void arm_rdi_kill PARAMS ((void));
+static void arm_rdi_kill (void);
-static void arm_rdi_detach PARAMS ((char *args, int from_tty));
+static void arm_rdi_detach (char *args, int from_tty);
-static void arm_rdi_interrupt PARAMS ((int signo));
+static void arm_rdi_interrupt (int signo);
-static void arm_rdi_interrupt_twice PARAMS ((int signo));
+static void arm_rdi_interrupt_twice (int signo);
-static void interrupt_query PARAMS ((void));
+static void interrupt_query (void);
-static int arm_rdi_insert_breakpoint PARAMS ((CORE_ADDR, char *));
+static int arm_rdi_insert_breakpoint (CORE_ADDR, char *);
-static int arm_rdi_remove_breakpoint PARAMS ((CORE_ADDR, char *));
+static int arm_rdi_remove_breakpoint (CORE_ADDR, char *);
-static char *rdi_error_message PARAMS ((int err));
+static char *rdi_error_message (int err);
-static enum target_signal rdi_error_signal PARAMS ((int err));
+static enum target_signal rdi_error_signal (int err);
/* Global variables. */
static int execute_status;
+/* Send heatbeat packets? */
+static int rdi_heartbeat = 0;
+
+/* Target has ROM at address 0. */
+static int rom_at_zero = 0;
+
+/* Enable logging? */
+static int log_enable = 0;
+
+/* Name of the log file. Default is "rdi.log". */
+static char *log_filename;
+
/* A little list of breakpoints that have been set. */
static struct local_bp_list_entry
/* Stub for catch_errors. */
static int
-arm_rdi_start_remote (dummy)
- char *dummy;
+arm_rdi_start_remote (char *dummy)
{
return 1;
}
these to forward output from the target system and so forth. */
void
-voiddummy ()
+voiddummy (void *dummy)
{
fprintf_unfiltered (gdb_stdout, "void dummy\n");
}
static void
-myprint (arg, format, ap)
- PTR arg;
- const char *format;
- va_list ap;
+myprint (PTR arg, const char *format, va_list ap)
{
vfprintf_unfiltered (gdb_stdout, format, ap);
}
static void
-mywritec (arg, c)
- PTR arg;
- int c;
+mywritec (PTR arg, int c)
{
if (isascii (c))
fputc_unfiltered (c, gdb_stdout);
}
static int
-mywrite (arg, buffer, len)
- PTR arg;
- char const *buffer;
- int len;
+mywrite (PTR arg, char const *buffer, int len)
{
int i;
char *e;
}
static void
-mypause (arg)
- PTR arg;
+mypause (PTR arg)
{
}
being interrupted more carefully */
static int
-myreadc (arg)
- PTR arg;
+myreadc (PTR arg)
{
return fgetc (stdin);
}
static char *
-mygets (arg, buffer, len)
- PTR arg;
- char *buffer;
- int len;
+mygets (PTR arg, char *buffer, int len)
{
return fgets (buffer, len, stdin);
}
for communication. */
static void
-arm_rdi_open (name, from_tty)
- char *name;
- int from_tty;
+arm_rdi_open (char *name, int from_tty)
{
int rslt, i;
unsigned long arg1, arg2;
+ char *openArgs = NULL;
+ char *devName = NULL;
+ char *p;
if (name == NULL)
error ("To open an RDI connection, you need to specify what serial\n\
device is attached to the remote system (e.g. /dev/ttya).");
+ /* split name after whitespace, pass tail as arg to open command */
+
+ devName = xstrdup (name);
+ p = strchr (devName, ' ');
+ if (p)
+ {
+ *p = '\0';
+ ++p;
+
+ while (*p == ' ')
+ ++p;
+
+ openArgs = p;
+ }
+
/* Make the basic low-level connection. */
- rslt = Adp_OpenDevice (name, NULL, 1);
+ arm_rdi_close (0);
+ rslt = Adp_OpenDevice (devName, openArgs, rdi_heartbeat);
if (rslt != adp_ok)
error ("Could not open device \"%s\"", name);
{
printf_filtered ("RDI_open: %s\n", rdi_error_message (rslt));
Adp_CloseDevice ();
- error("RID_open failed\n");
+ error ("RDI_open failed\n");
}
rslt = angel_RDI_info (RDIInfo_Target, &arg1, &arg2);
printf_filtered ("RDI_open: %s\n", rdi_error_message (rslt));
}
- arg1 = 0x13b;
+ arg1 = rom_at_zero ? 0x0 : 0x13b;
+
rslt = angel_RDI_info (RDIVector_Catch, &arg1, &arg2);
if (rslt)
{
for (entry = local_bp_list; entry != NULL; entry = entry->next)
{
if (preventry)
- free (preventry);
+ xfree (preventry);
}
}
printf_filtered ("Connected to ARM RDI target.\n");
closed_already = 0;
- inferior_pid = 42;
+ inferior_ptid = pid_to_ptid (42);
}
-/* Start an inferior process and set inferior_pid to its pid.
+/* 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().
user types "run" after having attached. */
static void
-arm_rdi_create_inferior (exec_file, args, env)
- char *exec_file;
- char *args;
- char **env;
+arm_rdi_create_inferior (char *exec_file, char *args, char **env)
{
int len, rslt;
unsigned long arg1, arg2;
strcat (arg_buf, " ");
strcat (arg_buf, args);
- inferior_pid = 42;
+ inferior_ptid = pid_to_ptid (42);
insert_breakpoints (); /* Needed to get correct instruction in cache */
if (env != NULL)
die when it hits one. */
static void
-arm_rdi_detach (args, from_tty)
- char *args;
- int from_tty;
+arm_rdi_detach (char *args, int from_tty)
{
pop_target ();
}
/* Clean up connection to a remote debugger. */
static void
-arm_rdi_close (quitting)
- int quitting;
+arm_rdi_close (int quitting)
{
int rslt;
printf_filtered ("RDI_close: %s\n", rdi_error_message (rslt));
}
closed_already = 1;
- inferior_pid = 0;
+ inferior_ptid = null_ptid;
Adp_CloseDevice ();
+ generic_mourn_inferior ();
}
}
\f
/* Tell the remote machine to resume. */
static void
-arm_rdi_resume (pid, step, siggnal)
- int pid, step;
- enum target_signal siggnal;
+arm_rdi_resume (ptid_t ptid, int step, enum target_signal siggnal)
{
int rslt;
PointHandle point;
packet. */
static void
-arm_rdi_interrupt (signo)
- int signo;
+arm_rdi_interrupt (int signo)
{
}
/* The user typed ^C twice. */
static void
-arm_rdi_interrupt_twice (signo)
- int signo;
+arm_rdi_interrupt_twice (int signo)
{
}
/* Ask the user what to do when an interrupt is received. */
static void
-interrupt_query ()
+interrupt_query (void)
{
}
STATUS just as `wait' would. Returns "pid" (though it's not clear
what, if anything, that means in the case of this target). */
-static int
-arm_rdi_wait (pid, status)
- int pid;
- struct target_waitstatus *status;
+static ptid_t
+arm_rdi_wait (ptid_t ptid, struct target_waitstatus *status)
{
status->kind = (execute_status == RDIError_NoError ?
TARGET_WAITKIND_EXITED : TARGET_WAITKIND_STOPPED);
/* convert stopped code from target into right signal */
status->value.sig = rdi_error_signal (execute_status);
- return inferior_pid;
+ return inferior_ptid;
}
/* Read the remote registers into the block REGS. */
/* ARGSUSED */
static void
-arm_rdi_fetch_registers (regno)
- int regno;
+arm_rdi_fetch_registers (int regno)
{
int rslt, rdi_regmask;
unsigned long rawreg, rawregs[32];
}
static void
-arm_rdi_prepare_to_store ()
+arm_rdi_prepare_to_store (void)
{
/* Nothing to do. */
}
of REGISTERS. FIXME: ignores errors. */
static void
-arm_rdi_store_registers (regno)
- int regno;
+arm_rdi_store_registers (int regno)
{
int rslt, rdi_regmask;
/* Read or write LEN bytes from inferior memory at MEMADDR,
transferring to or from debugger address MYADDR. Write to inferior
if SHOULD_WRITE is nonzero. Returns length of data written or
- read; 0 for error. */
+ read; 0 for error. TARGET is unused. */
/* ARGSUSED */
static int
-arm_rdi_xfer_memory (memaddr, myaddr, len, should_write, target)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- int should_write;
- struct target_ops *target; /* ignored */
+arm_rdi_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int should_write,
+ struct mem_attrib *attrib ATTRIBUTE_UNUSED,
+ struct target_ops *target ATTRIBUTE_UNUSED)
{
int rslt, i;
/* Display random info collected from the target. */
static void
-arm_rdi_files_info (ignore)
- struct target_ops *ignore;
+arm_rdi_files_info (struct target_ops *ignore)
{
char *file = "nothing";
int rslt;
}
\f
static void
-arm_rdi_kill ()
+arm_rdi_kill (void)
{
int rslt;
}
static void
-arm_rdi_mourn_inferior ()
+arm_rdi_mourn_inferior (void)
{
+ /* We remove the inserted breakpoints in case the user wants to
+ issue another target and load commands to rerun his application;
+ This is something that wouldn't work on a native target, for instance,
+ as the process goes away when the inferior exits, but it works with
+ some remote targets like this one. That is why this is done here. */
+ remove_breakpoints();
unpush_target (&arm_rdi_ops);
generic_mourn_inferior ();
}
here. */
static int
-arm_rdi_insert_breakpoint (addr, contents_cache)
- CORE_ADDR addr;
- char *contents_cache;
+arm_rdi_insert_breakpoint (CORE_ADDR addr, char *contents_cache)
{
int rslt;
PointHandle point;
}
static int
-arm_rdi_remove_breakpoint (addr, contents_cache)
- CORE_ADDR addr;
- char *contents_cache;
+arm_rdi_remove_breakpoint (CORE_ADDR addr, char *contents_cache)
{
int rslt;
PointHandle point;
{
preventry->next = entry->next;
}
- free (entry);
+ xfree (entry);
}
return 0;
}
\f
static char *
-rdi_error_message (err)
- int err;
+rdi_error_message (int err)
{
switch (err)
{
/* Convert the ARM error messages to signals that GDB knows about. */
static enum target_signal
-rdi_error_signal (err)
- int err;
+rdi_error_signal (int err)
{
switch (err)
{
return TARGET_SIGNAL_UNKNOWN;
}
}
+
+static void
+arm_rdi_stop(void)
+{
+ angel_RDI_stop_request();
+}
+
\f
/* Define the target operations structure. */
static void
-init_rdi_ops ()
+init_rdi_ops (void)
{
arm_rdi_ops.to_shortname = "rdi";
arm_rdi_ops.to_longname = "ARM RDI";
arm_rdi_ops.to_detach = arm_rdi_detach;
arm_rdi_ops.to_resume = arm_rdi_resume;
arm_rdi_ops.to_wait = arm_rdi_wait;
+ arm_rdi_ops.to_stop = arm_rdi_stop;
arm_rdi_ops.to_fetch_registers = arm_rdi_fetch_registers;
arm_rdi_ops.to_store_registers = arm_rdi_store_registers;
arm_rdi_ops.to_prepare_to_store = arm_rdi_prepare_to_store;
arm_rdi_ops.to_magic = OPS_MAGIC;
}
+static void
+rdilogfile_command (char *arg, int from_tty)
+{
+ if (!arg || strlen (arg) == 0)
+ {
+ printf_filtered ("rdi log file is '%s'\n", log_filename);
+ return;
+ }
+
+ if (log_filename)
+ xfree (log_filename);
+
+ log_filename = xstrdup (arg);
+
+ Adp_SetLogfile (log_filename);
+}
+
+static void
+rdilogenable_command (char *args, int from_tty)
+{
+ if (!args || strlen (args) == 0)
+ {
+ printf_filtered ("rdi log is %s\n", log_enable ? "enabled" : "disabled");
+ return;
+ }
+
+ if (!strcasecmp (args, "1") ||
+ !strcasecmp (args, "y") ||
+ !strcasecmp (args, "yes") ||
+ !strcasecmp (args, "on") ||
+ !strcasecmp (args, "t") ||
+ !strcasecmp (args, "true"))
+ Adp_SetLogEnable (log_enable = 1);
+ else if (!strcasecmp (args, "0") ||
+ !strcasecmp (args, "n") ||
+ !strcasecmp (args, "no") ||
+ !strcasecmp (args, "off") ||
+ !strcasecmp (args, "f") ||
+ !strcasecmp (args, "false"))
+ Adp_SetLogEnable (log_enable = 0);
+ else
+ printf_filtered ("rdilogenable: unrecognized argument '%s'\n"
+ " try y or n\n", args);
+}
+
void
-_initialize_remote_rdi ()
+_initialize_remote_rdi (void)
{
+ struct cmd_list_element *c;
+
init_rdi_ops ();
add_target (&arm_rdi_ops);
+
+ log_filename = xstrdup ("rdi.log");
+ Adp_SetLogfile (log_filename);
+ Adp_SetLogEnable (log_enable);
+
+ c = add_cmd ("rdilogfile", class_maintenance,
+ rdilogfile_command,
+ "Set filename for ADP packet log.\n\
+This file is used to log Angel Debugger Protocol packets.\n\
+With a single argument, sets the logfile name to that value.\n\
+Without an argument, shows the current logfile name.\n\
+See also: rdilogenable\n",
+ &maintenancelist);
+ c->completer = filename_completer;
+
+ add_cmd ("rdilogenable", class_maintenance,
+ rdilogenable_command,
+ "Set enable logging of ADP packets.\n\
+This will log ADP packets exchanged between gdb and the\n\
+rdi target device.\n\
+An argument of 1,t,true,y,yes will enable.\n\
+An argument of 0,f,false,n,no will disabled.\n\
+Withough an argument, it will display current state.\n",
+ &maintenancelist);
+
+ add_show_from_set
+ (add_set_cmd ("rdiromatzero", no_class,
+ var_boolean, (char *) &rom_at_zero,
+ "Set target has ROM at addr 0.\n\
+A true value disables vector catching, false enables vector catching.\n\
+This is evaluated at the time the 'target rdi' command is executed\n",
+ &setlist),
+ &showlist);
+
+ add_show_from_set
+ (add_set_cmd ("rdiheartbeat", no_class,
+ var_boolean, (char *) &rdi_heartbeat,
+ "Set enable for ADP heartbeat packets.\n\
+I don't know why you would want this. If you enable them,\n\
+it will confuse ARM and EPI JTAG interface boxes as well\n\
+as the Angel Monitor.\n",
+ &setlist),
+ &showlist);
}
/* A little dummy to make linking with the library succeed. */
int
-Fail ()
+Fail (void)
{
return 0;
}
projects / deliverable / binutils-gdb.git / blobdiff