/* Memory-access and commands for remote es1800 processes, for GDB.
- Copyright (C) 1988, 1992 Free Software Foundation, Inc.
+ Copyright 1988, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
+ Free Software Foundation, Inc.
This file is added to GDB to make it possible to do debugging via an
ES-1800 emulator. The code was originally written by Johan Holmberg
#include "frame.h"
#include "inferior.h"
#include "target.h"
-#include "gdb_wait.h"
#include "command.h"
+#include "symfile.h"
#include "remote-utils.h"
#include "gdbcore.h"
#include "serial.h"
+#include "regcache.h"
/* Prototypes for local functions */
static int
es1800_xfer_inferior_memory (CORE_ADDR, char *, int, int,
- struct target_ops *);
+ struct mem_attrib *, struct target_ops *);
static void es1800_prepare_to_store (void);
-static int es1800_wait (int, struct target_waitstatus *);
+static ptid_t es1800_wait (ptid_t, struct target_waitstatus *);
-static void es1800_resume (int, int, enum target_signal);
+static void es1800_resume (ptid_t, int, enum target_signal);
static void es1800_detach (char *, int);
Rely on global variables: old_sigint(), interrupt */
static void
-es1800_request_quit ()
+es1800_request_quit (void)
{
/* restore original signalhandler */
signal (SIGINT, old_sigint);
quit - return to '(esgdb)' prompt or continue */
static void
-es1800_reset (quit)
- char *quit;
+es1800_reset (char *quit)
{
char buf[80];
from_tty - says whether to be verbose or not */
static void
-es1800_open (name, from_tty)
- char *name;
- int from_tty;
+es1800_open (char *name, int from_tty)
{
char buf[PBUFSIZ];
char *p;
quitting - are we quitting gdb now? */
static void
-es1800_close (quitting)
- int quitting;
+es1800_close (int quitting)
{
if (es1800_desc != NULL)
{
}
if (savename != NULL)
{
- free (savename);
+ xfree (savename);
}
savename = NULL;
from_tty - says whether to be verbose or not */
static void
-es1800_attach (args, from_tty)
- char *args;
- int from_tty;
+es1800_attach (char *args, int from_tty)
{
error ("Cannot attach to pid %s, this feature is not implemented yet.",
args);
from_tty - says whether to be verbose or not */
static void
-es1800_detach (args, from_tty)
- char *args;
- int from_tty;
+es1800_detach (char *args, int from_tty)
{
if (args)
{
siggnal - the signal value to be given to the target (0 = no signal) */
static void
-es1800_resume (pid, step, siggnal)
- int pid;
- int step;
- enum target_signal siggnal;
+es1800_resume (ptid_t ptid, int step, enum target_signal siggnal)
{
char buf[PBUFSIZ];
storing status in STATUS just as `wait' would.
status - */
-static int
-es1800_wait (pid, status)
- int pid;
- struct target_waitstatus *status;
+static ptid_t
+es1800_wait (ptid_t ptid, struct target_waitstatus *status)
{
unsigned char buf[PBUFSIZ];
int old_timeout = timeout;
}
signal (SIGINT, old_sigint);
timeout = old_timeout;
- return (0);
+ return inferior_ptid;
}
regno - the register to be fetched (fetch all registers if -1) */
static void
-es1800_fetch_register (regno)
- int regno;
+es1800_fetch_register (int regno)
{
char buf[PBUFSIZ];
int k;
Always fetches all registers. */
static void
-es1800_fetch_registers ()
+es1800_fetch_registers (void)
{
char buf[PBUFSIZ];
char SR_buf[PBUFSIZ];
FIXME: Return errno value. */
static void
-es1800_store_register (regno)
- int regno;
+es1800_store_register (int regno)
{
static char regtab[18][4] =
/* Prepare to store registers. */
static void
-es1800_prepare_to_store ()
+es1800_prepare_to_store (void)
{
/* Do nothing, since we can store individual regs */
}
/* Convert hex digit A to a number. */
static int
-fromhex (a)
- int a;
+fromhex (int a)
{
if (a >= '0' && a <= '9')
{
/* Convert number NIB to a hex digit. */
static int
-tohex (nib)
- int nib;
+tohex (int nib)
{
if (nib < 10)
{
memaddr - the target's address
myaddr - gdb's address
len - number of bytes
- write - write if != 0 otherwise read */
+ write - write if != 0 otherwise read
+ tops - unused */
static int
-es1800_xfer_inferior_memory (memaddr, myaddr, len, write, tops)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- int write;
- struct target_ops *tops; /* Unused */
+es1800_xfer_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len,
+ int write,
+ struct mem_attrib *attrib ATTRIBUTE_UNUSED,
+ struct target_ops *target ATTRIBUTE_UNUSED)
{
int origlen = len;
int xfersize;
len - number of bytes */
static void
-es1800_write_bytes (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
+es1800_write_bytes (CORE_ADDR memaddr, char *myaddr, int len)
{
char buf[PBUFSIZ];
int i;
len - number of bytes */
static void
-es1800_read_bytes (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
+es1800_read_bytes (CORE_ADDR memaddr, char *myaddr, int len)
{
static int DB_tab[16] =
{8, 11, 14, 17, 20, 23, 26, 29, 34, 37, 40, 43, 46, 49, 52, 55};
if (len > PBUFSIZ / 2 - 1)
{
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
}
if (len == 1) /* The emulator does not like expressions like: */
}
}
-/* Information about the current target */
+/* Display information about the current target. TOPS is unused. */
static void
-es1800_files_info (tops)
- struct target_ops *tops; /* Unused */
+es1800_files_info (struct target_ops *tops)
{
printf ("ES1800 Attached to %s at %d baud in %s mode\n", savename, 19200,
MODE);
the target_arch transfer vector, if we ever have one... */
static int
-es1800_insert_breakpoint (addr, contents_cache)
- CORE_ADDR addr;
- char *contents_cache;
+es1800_insert_breakpoint (CORE_ADDR addr, char *contents_cache)
{
int val;
BREAKPOINT bytes. */
static int
-es1800_remove_breakpoint (addr, contents_cache)
- CORE_ADDR addr;
- char *contents_cache;
+es1800_remove_breakpoint (CORE_ADDR addr, char *contents_cache)
{
return (target_write_memory (addr, contents_cache,
Primitive datastructures containing the es1800 breakpoint instruction */
static void
-es1800_create_break_insn (ins, vec)
- char *ins;
- int vec;
+es1800_create_break_insn (char *ins, int vec)
{
if (vec == 15)
{
vec - trap vector used for breakpoints */
static int
-verify_break (vec)
- int vec;
+verify_break (int vec)
{
CORE_ADDR memaddress;
char buf[8];
{
memory_error (status, memaddress);
}
- return (STRCMP (instr, buf));
+ return (strcmp (instr, buf));
}
return (-1);
}
/* get_break_addr ()
- find address of breakpint routine
+ find address of breakpoint routine
vec - trap vector used for breakpoints
addrp - store the address here */
static void
-get_break_addr (vec, addrp)
- int vec;
- CORE_ADDR *addrp;
+get_break_addr (int vec, CORE_ADDR *addrp)
{
CORE_ADDR memaddress = 0;
int status;
/* Kill an inferior process */
static void
-es1800_kill ()
+es1800_kill (void)
{
- if (inferior_pid != 0)
+ if (!ptid_equal (inferior_ptid, null_ptid))
{
- inferior_pid = 0;
+ inferior_ptid = null_ptid;
es1800_mourn_inferior ();
}
}
FIXME Uses emulator overlay memory for trap routine */
static void
-es1800_load (filename, from_tty)
- char *filename;
- int from_tty;
+es1800_load (char *filename, int from_tty)
{
FILE *instream;
}
filename = tilde_expand (filename);
- make_cleanup (free, filename);
+ make_cleanup (xfree, filename);
switch (es1800_load_format)
{
}
breakpoint_init_inferior ();
- inferior_pid = 0;
+ inferior_ptid = null_ptid;
if (from_tty)
{
printf ("Downloading \"%s\" to the ES 1800\n", filename);
system (buf);
}
- symbol_file_command (filename, from_tty); /* reading symbol table */
+ symbol_file_add_main (filename, from_tty); /* reading symbol table */
immediate_quit--;
}
#define NUMCPYBYTES 20
static void
-bfd_copy (from_bfd, to_bfd)
- bfd *from_bfd;
- bfd *to_bfd;
+bfd_copy (bfd *from_bfd, bfd *to_bfd)
{
asection *p, *new;
int i;
#endif
-/* Start an process on the es1800 and set inferior_pid to the new
+/* Start an process on the es1800 and set inferior_ptid to the new
process' pid.
execfile - the file to run
args - arguments passed to the program
env - the environment vector to pass */
static void
-es1800_create_inferior (execfile, args, env)
- char *execfile;
- char *args;
- char **env;
+es1800_create_inferior (char *execfile, char *args, char **env)
{
int entry_pt;
int pid;
/* The "process" (board) is already stopped awaiting our commands, and
the program is already downloaded. We just set its PC and go. */
- inferior_pid = pid; /* Needed for wait_for_inferior below */
+ inferior_ptid = pid_to_ptid (pid); /* Needed for wait_for_inferior below */
clear_proceed_status ();
/* The process has died, clean up. */
static void
-es1800_mourn_inferior ()
+es1800_mourn_inferior (void)
{
remove_breakpoints ();
unpush_target (&es1800_child_ops);
read until string is found (== 0) */
static void
-expect (string, nowait)
- char *string;
- int nowait;
+expect (char *string, int nowait)
{
char c;
char *p = string;
/* Keep discarding input until we see the prompt. */
static void
-expect_prompt ()
+expect_prompt (void)
{
expect (">", 0);
}
/* read from stdin */
static int
-readchar ()
+readchar (void)
{
char buf[1];
timeout stuff. */
static int
-readchar ()
+readchar (void)
{
int ch;
len - size of buf */
static void
-send_with_reply (string, buf, len)
- char *string, *buf;
- int len;
+send_with_reply (char *string, char *buf, int len)
{
send (string);
SERIAL_WRITE (es1800_desc, "\r", 1);
string - the es1800 command */
static void
-send_command (string)
- char *string;
+send_command (char *string)
{
send (string);
SERIAL_WRITE (es1800_desc, "\r", 1);
string - the es1800 command */
static void
-send (string)
- char *string;
+send (char *string)
{
if (kiodebug)
{
len - size of buf */
static void
-getmessage (buf, len)
- char *buf;
- int len;
+getmessage (char *buf, int len)
{
char *bp;
int c;
}
static void
-download (instream, from_tty, format)
- FILE *instream;
- int from_tty;
- int format;
+download (FILE *instream, int from_tty, int format)
{
char c;
char buf[160];
/*ARGSUSED */
static void
-es1800_transparent (args, from_tty)
- char *args;
- int from_tty;
+es1800_transparent (char *args, int from_tty)
{
int console;
struct sgttyb modebl;
#endif /* PROVIDE_TRANSPARENT */
static void
-es1800_init_break (args, from_tty)
- char *args;
- int from_tty;
+es1800_init_break (char *args, int from_tty)
{
CORE_ADDR memaddress = 0;
char buf[PBUFSIZ];
}
static void
-es1800_child_open (arg, from_tty)
- char *arg;
- int from_tty;
+es1800_child_open (char *arg, int from_tty)
{
error ("Use the \"run\" command to start a child process.");
}
static void
-es1800_child_detach (args, from_tty)
- char *args;
- int from_tty;
+es1800_child_detach (char *args, int from_tty)
{
if (args)
{
pop_target ();
if (from_tty)
{
- printf ("Ending debugging the process %d.\n", inferior_pid);
+ printf ("Ending debugging the process %d.\n", PIDGET (inferior_ptid));
}
}
es1800_ops.to_thread_alive = 0;
es1800_ops.to_stop = 0;
es1800_ops.to_pid_to_exec_file = NULL;
- es1800_ops.to_core_file_to_sym_file = NULL;
es1800_ops.to_stratum = core_stratum;
es1800_ops.DONT_USE = 0;
es1800_ops.to_has_all_memory = 0;
es1800_child_ops.to_thread_alive = 0;
es1800_child_ops.to_stop = 0;
es1800_child_ops.to_pid_to_exec_file = NULL;
- es1800_child_ops.to_core_file_to_sym_file = NULL;
es1800_child_ops.to_stratum = process_stratum;
es1800_child_ops.DONT_USE = 0;
es1800_child_ops.to_has_all_memory = 1;
}
void
-_initialize_es1800 ()
+_initialize_es1800 (void)
{
init_es1800_ops ();
init_es1800_child_ops ();
projects / deliverable / binutils-gdb.git / blobdiff