espressif/binutils-gdb
1
0
Fork 0
mirror of https://github.com/espressif/binutils-gdb.git synced 2025-10-12 10:28:59 +08:00
Code Issues Packages Projects Releases Wiki Activity

Some spit and polish

Browse Source
This commit is contained in:
Steve Chamberlain
1993-02-05 18:07:09 +00:00
parent 3fa4d3e31e
commit e4ebb8e5e6
3 changed files with 413 additions and 361 deletions
Download Patch File Download Diff File Expand all files Collapse all files

268
gdb/remote-z8k.c
View File

@ -35,14 +35,13 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "../sim/z8k/sim.h"
/* External data declarations */
extern int stop_soon_quietly; /* for wait_for_inferior */
extern int stop_soon_quietly; /* for wait_for_inferior */
/* Forward data declarations */
extern struct target_ops sim_ops; /* Forward declaration */
void sim_store_register();
void sim_set_oc();
extern struct target_ops sim_ops; /* Forward declaration */
void sim_store_register ();
void sim_set_oc ();
int
sim_write_inferior_memory (memaddr, myaddr, len)
@ -50,93 +49,91 @@ sim_write_inferior_memory (memaddr, myaddr, len)
unsigned char *myaddr;
int len;
{
sim_write(memaddr, myaddr, len);
sim_write (memaddr, myaddr, len);
return 1;
}
static void
store_register(regno)
int regno;
store_register (regno)
int regno;
{
if (regno == -1)
{
for (regno = 0; regno < 16; regno++)
if (regno == -1)
{
store_register(regno);
for (regno = 0; regno < 16; regno++)
{
store_register (regno);
}
}
else
{
sim_store_register (regno, read_register (regno));
}
}
else
{
sim_store_register(regno,read_register(regno));
}
}
void
sim_kill(arg,from_tty)
char *arg;
int from_tty;
sim_kill (arg, from_tty)
char *arg;
int from_tty;
{
}
/*
* Download a file specified in 'args', to the sim.
* Download a file specified in 'args', to the sim.
*/
static void
sim_load(args,fromtty)
char *args;
int fromtty;
sim_load (args, fromtty)
char *args;
int fromtty;
{
bfd *abfd;
bfd *abfd;
asection *s;
inferior_pid = 0;
abfd = bfd_openr(args,"coff-z8k");
inferior_pid = 0;
abfd = bfd_openr (args, "coff-z8k");
if (!abfd)
{
printf_filtered("Unable to open file %s\n", args);
return;
}
if (!abfd)
{
printf_filtered ("Unable to open file %s\n", args);
return;
}
if (bfd_check_format(abfd, bfd_object) ==0)
{
printf_filtered("File is not an object file\n");
return ;
}
if (bfd_check_format (abfd, bfd_object) == 0)
{
printf_filtered ("File is not an object file\n");
return;
}
s = abfd->sections;
while (s != (asection *)NULL)
{
if (s->flags & SEC_LOAD)
while (s != (asection *) NULL)
{
int i;
int delta = 4096;
char *buffer = xmalloc(delta);
printf_filtered("%s\t: 0x%4x .. 0x%4x ",
s->name, s->vma, s->vma + s->_raw_size);
for (i = 0; i < s->_raw_size; i+= delta)
{
int sub_delta = delta;
if (sub_delta > s->_raw_size - i)
sub_delta = s->_raw_size - i ;
if (s->flags & SEC_LOAD)
{
int i;
int delta = 4096;
char *buffer = xmalloc (delta);
bfd_get_section_contents(abfd, s, buffer, i, sub_delta);
sim_write_inferior_memory(s->vma + i, buffer, sub_delta);
printf_filtered("*");
fflush(stdout);
}
printf_filtered( "\n");
free(buffer);
printf_filtered ("%s\t: 0x%4x .. 0x%4x ",
s->name, s->vma, s->vma + s->_raw_size);
for (i = 0; i < s->_raw_size; i += delta)
{
int sub_delta = delta;
if (sub_delta > s->_raw_size - i)
sub_delta = s->_raw_size - i;
bfd_get_section_contents (abfd, s, buffer, i, sub_delta);
sim_write_inferior_memory (s->vma + i, buffer, sub_delta);
printf_filtered ("*");
fflush (stdout);
}
printf_filtered ("\n");
free (buffer);
}
s = s->next;
}
s = s->next;
}
sim_set_pc(abfd->start_address);
sim_set_pc (abfd->start_address);
}
/* This is called not only when we first attach, but also when the
@ -150,39 +147,37 @@ sim_create_inferior (execfile, args, env)
int entry_pt;
if (args && *args)
error ("Can't pass arguments to remote sim process.");
error ("Can't pass arguments to remote sim process.");
if (execfile == 0 || exec_bfd == 0)
error ("No exec file specified");
error ("No exec file specified");
entry_pt = (int) bfd_get_start_address (exec_bfd);
sim_kill(NULL,NULL);
sim_clear_breakpoints();
sim_kill (NULL, NULL);
sim_clear_breakpoints ();
init_wait_for_inferior ();
insert_breakpoints ();
proceed(entry_pt, -1, 0);
proceed (entry_pt, -1, 0);
}
static void
sim_open (name, from_tty)
char *name;
int from_tty;
{
if(name == 0)
{
name = "";
}
if (name == 0)
{
name = "";
}
/* Clear any break points */
sim_clear_breakpoints();
sim_clear_breakpoints ();
push_target (&sim_ops);
target_fetch_registers(-1);
target_fetch_registers (-1);
printf_filtered("Connected to the Z8000 Simulator.\n");
printf_filtered ("Connected to the Z8000 Simulator.\n");
}
/* Close out all files and local state before this target loses control. */
@ -191,26 +186,25 @@ static void
sim_close (quitting)
int quitting;
{
sim_clear_breakpoints();
sim_clear_breakpoints ();
}
/* Terminate the open connection to the remote debugger.
Use this when you want to detach and do something else
with your gdb. */
static void
sim_detach (args,from_tty)
sim_detach (args, from_tty)
char *args;
int from_tty;
{
sim_clear_breakpoints();
pop_target(); /* calls sim_close to do the real work */
if (from_tty)
printf_filtered ("Ending remote %s debugging\n", target_shortname);
}
/* Tell the remote machine to resume. */
sim_clear_breakpoints ();
pop_target (); /* calls sim_close to do the real work */
if (from_tty)
printf_filtered ("Ending remote %s debugging\n", target_shortname);
}
/* Tell the remote machine to resume. */
/* Wait until the remote machine stops, then return,
storing status in STATUS just as `wait' would. */
@ -219,11 +213,10 @@ int
sim_wait (status)
WAITTYPE *status;
{
*status = sim_stop_signal();
*status = sim_stop_signal ();
return 0;
}
/* 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
@ -236,21 +229,22 @@ sim_prepare_to_store ()
/* Do nothing, since we can store individual regs */
}
static void
fetch_register(regno)
int regno;
fetch_register (regno)
int regno;
{
if (regno == -1)
{
for (regno = 0; regno < 16; regno++)
fetch_register(regno);
}
else {
char buf[MAX_REGISTER_RAW_SIZE];
sim_fetch_register(regno, buf);
supply_register(regno, buf);
}
if (regno == -1)
{
for (regno = 0; regno < 16; regno++)
fetch_register (regno);
}
else
{
char buf[MAX_REGISTER_RAW_SIZE];
sim_fetch_register (regno, buf);
supply_register (regno, buf);
}
}
/* Write a word WORD into remote address ADDR.
@ -265,33 +259,34 @@ sim_store_word (addr, word)
}
int
sim_xfer_inferior_memory(memaddr, myaddr, len, write, target)
sim_xfer_inferior_memory (memaddr, myaddr, len, write, target)
CORE_ADDR memaddr;
char *myaddr;
int len;
int write;
struct target_ops *target; /* ignored */
struct target_ops *target; /* ignored */
{
if (write)
{
sim_write(memaddr, myaddr, len);
{
sim_write (memaddr, myaddr, len);
}
else
{
sim_read(memaddr, myaddr, len);
}
return len;
}
else
{
sim_read (memaddr, myaddr, len);
}
return len;
}
void
sim_files_info ()
{
char *file = "nothing";
if (exec_bfd)
file = bfd_get_filename(exec_bfd);
printf_filtered("\tAttached to %s running on the z8k simulator\n",file);
if (exec_bfd)
file = bfd_get_filename (exec_bfd);
printf_filtered ("\tAttached to %s running on the z8k simulator\n", file);
}
/* This routine is run as a hook, just before the main command loop is
@ -305,62 +300,57 @@ sim_before_main_loop ()
push_target (&sim_ops);
}
/* Clear the sims notion of what the break points are */
static void
sim_mourn()
{
sim_clear_breakpoints();
sim_mourn ()
{
sim_clear_breakpoints ();
generic_mourn_inferior ();
}
static void rem_resume(a,b)
int a;
int b;
static void
rem_resume (a, b)
int a;
int b;
{
sim_resume(a,b);
sim_resume (a, b);
}
/* Define the target subroutine names */
struct target_ops sim_ops =
struct target_ops sim_ops =
{
"sim", "Remote SIM monitor",
"Use the Z8000 simulator",
sim_open, sim_close,
0, sim_detach, rem_resume, sim_wait, /* attach */
sim_open, sim_close,
0, sim_detach, rem_resume, sim_wait, /* attach */
fetch_register, store_register,
sim_prepare_to_store,
sim_xfer_inferior_memory,
sim_xfer_inferior_memory,
sim_files_info,
0, 0, /* Breakpoints */
0, 0, /* Breakpoints */
0, 0, 0, 0, 0, /* Terminal handling */
sim_kill, /* FIXME, kill */
sim_load,
sim_load,
0, /* lookup_symbol */
sim_create_inferior, /* create_inferior */
sim_create_inferior, /* create_inferior */
sim_mourn, /* mourn_inferior FIXME */
0, /* can_run */
0, /* notice_signals */
process_stratum, 0, /* next */
1, 1, 1, 1, 1, /* all mem, mem, stack, regs, exec */
0,0, /* Section pointers */
0, 0, /* Section pointers */
OPS_MAGIC, /* Always the last thing */
};
/***********************************************************************/
void
_initialize_remote_sim ()
{
extern int sim_z8001_mode;
sim_z8001_mode = z8001_mode;
add_target (&sim_ops);
}