Some spit and polish
This commit is contained in:
Steve Chamberlain
parent
3fa4d3e31e
commit
e4ebb8e5e6
268
gdb/remote-z8k.c
268
gdb/remote-z8k.c
@ -35,14 +35,13 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "../sim/z8k/sim.h"
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/* External data declarations */
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extern int stop_soon_quietly; /* for wait_for_inferior */
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extern int stop_soon_quietly; /* for wait_for_inferior */
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/* Forward data declarations */
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extern struct target_ops sim_ops; /* Forward declaration */
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void sim_store_register();
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void sim_set_oc();
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extern struct target_ops sim_ops; /* Forward declaration */
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void sim_store_register ();
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void sim_set_oc ();
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int
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sim_write_inferior_memory (memaddr, myaddr, len)
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@ -50,93 +49,91 @@ sim_write_inferior_memory (memaddr, myaddr, len)
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unsigned char *myaddr;
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int len;
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{
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sim_write(memaddr, myaddr, len);
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sim_write (memaddr, myaddr, len);
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return 1;
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}
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static void
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store_register(regno)
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int regno;
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store_register (regno)
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int regno;
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{
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if (regno == -1)
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{
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for (regno = 0; regno < 16; regno++)
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if (regno == -1)
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{
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store_register(regno);
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for (regno = 0; regno < 16; regno++)
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{
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store_register (regno);
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}
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}
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else
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{
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sim_store_register (regno, read_register (regno));
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}
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}
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else
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{
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sim_store_register(regno,read_register(regno));
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}
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}
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void
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sim_kill(arg,from_tty)
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char *arg;
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int from_tty;
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sim_kill (arg, from_tty)
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char *arg;
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int from_tty;
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{
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}
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/*
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* Download a file specified in 'args', to the sim.
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* Download a file specified in 'args', to the sim.
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*/
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static void
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sim_load(args,fromtty)
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char *args;
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int fromtty;
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sim_load (args, fromtty)
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char *args;
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int fromtty;
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{
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bfd *abfd;
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bfd *abfd;
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asection *s;
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inferior_pid = 0;
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abfd = bfd_openr(args,"coff-z8k");
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inferior_pid = 0;
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abfd = bfd_openr (args, "coff-z8k");
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if (!abfd)
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{
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printf_filtered("Unable to open file %s\n", args);
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return;
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}
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if (!abfd)
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{
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printf_filtered ("Unable to open file %s\n", args);
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return;
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}
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if (bfd_check_format(abfd, bfd_object) ==0)
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{
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printf_filtered("File is not an object file\n");
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return ;
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}
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if (bfd_check_format (abfd, bfd_object) == 0)
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{
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printf_filtered ("File is not an object file\n");
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return;
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}
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s = abfd->sections;
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while (s != (asection *)NULL)
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{
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if (s->flags & SEC_LOAD)
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while (s != (asection *) NULL)
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{
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int i;
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int delta = 4096;
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char *buffer = xmalloc(delta);
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printf_filtered("%s\t: 0x%4x .. 0x%4x ",
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s->name, s->vma, s->vma + s->_raw_size);
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for (i = 0; i < s->_raw_size; i+= delta)
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{
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int sub_delta = delta;
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if (sub_delta > s->_raw_size - i)
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sub_delta = s->_raw_size - i ;
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if (s->flags & SEC_LOAD)
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{
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int i;
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int delta = 4096;
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char *buffer = xmalloc (delta);
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bfd_get_section_contents(abfd, s, buffer, i, sub_delta);
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sim_write_inferior_memory(s->vma + i, buffer, sub_delta);
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printf_filtered("*");
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fflush(stdout);
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}
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printf_filtered( "\n");
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free(buffer);
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printf_filtered ("%s\t: 0x%4x .. 0x%4x ",
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s->name, s->vma, s->vma + s->_raw_size);
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for (i = 0; i < s->_raw_size; i += delta)
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{
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int sub_delta = delta;
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if (sub_delta > s->_raw_size - i)
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sub_delta = s->_raw_size - i;
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bfd_get_section_contents (abfd, s, buffer, i, sub_delta);
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sim_write_inferior_memory (s->vma + i, buffer, sub_delta);
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printf_filtered ("*");
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fflush (stdout);
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}
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printf_filtered ("\n");
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free (buffer);
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}
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s = s->next;
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}
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s = s->next;
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}
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sim_set_pc(abfd->start_address);
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sim_set_pc (abfd->start_address);
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}
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/* This is called not only when we first attach, but also when the
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@ -150,39 +147,37 @@ sim_create_inferior (execfile, args, env)
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int entry_pt;
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if (args && *args)
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error ("Can't pass arguments to remote sim process.");
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error ("Can't pass arguments to remote sim process.");
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if (execfile == 0 || exec_bfd == 0)
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error ("No exec file specified");
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error ("No exec file specified");
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entry_pt = (int) bfd_get_start_address (exec_bfd);
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sim_kill(NULL,NULL);
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sim_clear_breakpoints();
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sim_kill (NULL, NULL);
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sim_clear_breakpoints ();
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init_wait_for_inferior ();
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insert_breakpoints ();
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proceed(entry_pt, -1, 0);
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proceed (entry_pt, -1, 0);
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}
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static void
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sim_open (name, from_tty)
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char *name;
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int from_tty;
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{
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if(name == 0)
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{
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name = "";
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}
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if (name == 0)
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{
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name = "";
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}
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/* Clear any break points */
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sim_clear_breakpoints();
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sim_clear_breakpoints ();
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push_target (&sim_ops);
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target_fetch_registers(-1);
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target_fetch_registers (-1);
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printf_filtered("Connected to the Z8000 Simulator.\n");
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printf_filtered ("Connected to the Z8000 Simulator.\n");
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}
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/* Close out all files and local state before this target loses control. */
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@ -191,26 +186,25 @@ static void
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sim_close (quitting)
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int quitting;
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{
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sim_clear_breakpoints();
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sim_clear_breakpoints ();
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}
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/* Terminate the open connection to the remote debugger.
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Use this when you want to detach and do something else
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with your gdb. */
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static void
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sim_detach (args,from_tty)
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sim_detach (args, from_tty)
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char *args;
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int from_tty;
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{
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sim_clear_breakpoints();
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pop_target(); /* calls sim_close to do the real work */
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if (from_tty)
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printf_filtered ("Ending remote %s debugging\n", target_shortname);
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}
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/* Tell the remote machine to resume. */
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sim_clear_breakpoints ();
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pop_target (); /* calls sim_close to do the real work */
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if (from_tty)
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printf_filtered ("Ending remote %s debugging\n", target_shortname);
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}
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/* Tell the remote machine to resume. */
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/* Wait until the remote machine stops, then return,
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storing status in STATUS just as `wait' would. */
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@ -219,11 +213,10 @@ int
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sim_wait (status)
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WAITTYPE *status;
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{
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*status = sim_stop_signal();
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*status = sim_stop_signal ();
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return 0;
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}
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/* Get ready to modify the registers array. On machines which store
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individual registers, this doesn't need to do anything. On machines
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which store all the registers in one fell swoop, this makes sure
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@ -236,21 +229,22 @@ sim_prepare_to_store ()
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/* Do nothing, since we can store individual regs */
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}
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static void
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fetch_register(regno)
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int regno;
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fetch_register (regno)
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int regno;
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{
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if (regno == -1)
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{
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for (regno = 0; regno < 16; regno++)
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fetch_register(regno);
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}
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else {
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char buf[MAX_REGISTER_RAW_SIZE];
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sim_fetch_register(regno, buf);
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supply_register(regno, buf);
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}
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if (regno == -1)
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{
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for (regno = 0; regno < 16; regno++)
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fetch_register (regno);
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}
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else
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{
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char buf[MAX_REGISTER_RAW_SIZE];
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sim_fetch_register (regno, buf);
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supply_register (regno, buf);
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}
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}
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/* Write a word WORD into remote address ADDR.
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@ -265,33 +259,34 @@ sim_store_word (addr, word)
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}
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int
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sim_xfer_inferior_memory(memaddr, myaddr, len, write, target)
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sim_xfer_inferior_memory (memaddr, myaddr, len, write, target)
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CORE_ADDR memaddr;
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char *myaddr;
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int len;
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int write;
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struct target_ops *target; /* ignored */
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struct target_ops *target; /* ignored */
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{
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if (write)
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{
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sim_write(memaddr, myaddr, len);
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{
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sim_write (memaddr, myaddr, len);
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}
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else
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{
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sim_read(memaddr, myaddr, len);
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}
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return len;
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}
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else
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{
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sim_read (memaddr, myaddr, len);
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}
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return len;
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}
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void
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sim_files_info ()
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{
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char *file = "nothing";
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if (exec_bfd)
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file = bfd_get_filename(exec_bfd);
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printf_filtered("\tAttached to %s running on the z8k simulator\n",file);
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if (exec_bfd)
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file = bfd_get_filename (exec_bfd);
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printf_filtered ("\tAttached to %s running on the z8k simulator\n", file);
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}
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/* This routine is run as a hook, just before the main command loop is
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@ -305,62 +300,57 @@ sim_before_main_loop ()
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push_target (&sim_ops);
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}
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/* Clear the sims notion of what the break points are */
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static void
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sim_mourn()
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{
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sim_clear_breakpoints();
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sim_mourn ()
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{
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sim_clear_breakpoints ();
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generic_mourn_inferior ();
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}
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static void rem_resume(a,b)
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int a;
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int b;
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static void
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rem_resume (a, b)
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int a;
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int b;
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{
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sim_resume(a,b);
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sim_resume (a, b);
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}
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/* Define the target subroutine names */
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struct target_ops sim_ops =
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struct target_ops sim_ops =
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{
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"sim", "Remote SIM monitor",
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"Use the Z8000 simulator",
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sim_open, sim_close,
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0, sim_detach, rem_resume, sim_wait, /* attach */
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sim_open, sim_close,
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0, sim_detach, rem_resume, sim_wait, /* attach */
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fetch_register, store_register,
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sim_prepare_to_store,
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sim_xfer_inferior_memory,
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sim_xfer_inferior_memory,
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sim_files_info,
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0, 0, /* Breakpoints */
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0, 0, /* Breakpoints */
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0, 0, 0, 0, 0, /* Terminal handling */
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sim_kill, /* FIXME, kill */
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sim_load,
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sim_load,
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0, /* lookup_symbol */
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sim_create_inferior, /* create_inferior */
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sim_create_inferior, /* create_inferior */
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sim_mourn, /* mourn_inferior FIXME */
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0, /* can_run */
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0, /* notice_signals */
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process_stratum, 0, /* next */
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1, 1, 1, 1, 1, /* all mem, mem, stack, regs, exec */
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0,0, /* Section pointers */
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0, 0, /* Section pointers */
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OPS_MAGIC, /* Always the last thing */
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};
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/***********************************************************************/
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void
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_initialize_remote_sim ()
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{
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extern int sim_z8001_mode;
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sim_z8001_mode = z8001_mode;
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add_target (&sim_ops);
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}
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45
gdb/tm-z8k.h
45
gdb/tm-z8k.h
@ -1,5 +1,5 @@
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/* Parameters for execution on a z8000 series machine.
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Copyright 1992 Free Software Foundation, Inc.
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Copyright 1992,1993 Free Software Foundation, Inc.
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This file is part of GDB.
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@ -148,26 +148,23 @@ extern CORE_ADDR mz8k_skip_prologue PARAMS ((CORE_ADDR ip));
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to be actual register numbers as far as the user is concerned
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but do serve to get the desired values when passed to read_register. */
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#define CCR_REGNUM 16 /* Contains processor status */
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#define PC_REGNUM 17 /* Contains program counter */
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#define CYCLES_REGNUM 18
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#define INSTS_REGNUM 19
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#define TIME_REGNUM 20
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#define FP_REGNUM 21 /* Contains fp, whatever memory model */
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#define SP_REGNUM 22 /* Conatins sp, whatever memory model */
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#define CCR_REGNUM 16 /* Contains processor status */
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#define PC_REGNUM 17 /* Contains program counter */
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#define CYCLES_REGNUM 18
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#define INSTS_REGNUM 19
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#define TIME_REGNUM 20
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#define FP_REGNUM 21 /* Contains fp, whatever memory model */
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#define SP_REGNUM 22 /* Conatins sp, whatever memory model */
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#define PTR_SIZE (BIG ? 4: 2)
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#define PTR_MASK (BIG ? 0xff00ffff : 0x0000ffff)
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/* Store the address of the place in which to copy the structure the
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subroutine will return. This is called from call_function. */
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#define STORE_STRUCT_RETURN(ADDR, SP) store_struct_return(ADDR,SP)
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#define STORE_STRUCT_RETURN(ADDR, SP) abort();
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/* Extract from an array REGBUF containing the (raw) register state
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a function return value of type TYPE, and copy that, in virtual format,
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@ -176,13 +173,12 @@ extern CORE_ADDR mz8k_skip_prologue PARAMS ((CORE_ADDR ip));
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#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
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extract_return_value(TYPE,REGBUF,VALBUF)
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bcopy(REGBUF + REGISTER_BYTE(2), VALBUF, TYPE_LENGTH(TYPE));
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/* Write into appropriate registers a function return value
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of type TYPE, given in virtual format. Assumes floats are passed
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in d0/d1. */
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of type TYPE, given in virtual format. */
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#define STORE_RETURN_VALUE(TYPE,VALBUF) store_return_value(TYPE,VALBUF);
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#define STORE_RETURN_VALUE(TYPE,VALBUF) abort();
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/* Extract from an array REGBUF containing the (raw) register state
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the address in which a function should return its structure value,
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@ -195,10 +191,13 @@ extern CORE_ADDR mz8k_skip_prologue PARAMS ((CORE_ADDR ip));
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/* FRAME_CHAIN takes a frame's nominal address and produces the frame's
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chain-pointer.
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In the case of the 68000, the frame's nominal address
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is the address of a 4-byte word containing the calling frame's address. */
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In the case of the Z8000, the frame's nominal address
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is the address of a ptr sized byte word containing the calling
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frame's address. */
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#define FRAME_CHAIN(thisframe) frame_chain(thisframe);
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#define FRAME_CHAIN(thisframe) frame_chain(thisframe)
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/* Define other aspects of the stack frame. */
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@ -302,8 +301,6 @@ int z8001_mode;
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#define NO_STD_REGS
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#define PRINT_REGISTER_HOOK(regno) print_register_hook(regno)
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|
||||
@ -312,4 +309,6 @@ int z8001_mode;
|
||||
|
||||
#define NAMES_HAVE_UNDERSCORE
|
||||
|
||||
#define ADDITIONAL_OPTIONS {"z8001",no_argument,&z8001_mode, 1},
|
||||
|
||||
#define INIT_EXTRA_SYMTAB_INFO \
|
||||
z8k_set_pointer_size(objfile->obfd->arch_info->bits_per_address);
|
||||
|
||||
461
gdb/z8k-tdep.c
461
gdb/z8k-tdep.c
@ -1,5 +1,5 @@
|
||||
/* Target-machine dependent code for Zilog Z8000, for GDB.
|
||||
Copyright (C) 1992 Free Software Foundation, Inc.
|
||||
Copyright (C) 1992,1993 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GDB.
|
||||
|
||||
@ -17,19 +17,18 @@ 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||||
|
||||
/*
|
||||
/*
|
||||
Contributed by Steve Chamberlain
|
||||
sac@cygnus.com
|
||||
sac@cygnus.com
|
||||
*/
|
||||
|
||||
|
||||
#include "defs.h"
|
||||
#include "frame.h"
|
||||
#include "obstack.h"
|
||||
#include "symtab.h"
|
||||
#include "gdbcmd.h"
|
||||
#include "gdbtypes.h"
|
||||
|
||||
|
||||
/* Return the saved PC from this frame.
|
||||
|
||||
If the frame has a memory copy of SRP_REGNUM, use that. If not,
|
||||
@ -37,9 +36,9 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||||
|
||||
CORE_ADDR
|
||||
frame_saved_pc (frame)
|
||||
FRAME frame;
|
||||
FRAME frame;
|
||||
{
|
||||
return ( read_memory_pointer(frame->frame+(BIG ? 4 : 2)));
|
||||
return (read_memory_pointer (frame->frame + (BIG ? 4 : 2)));
|
||||
}
|
||||
|
||||
#define IS_PUSHL(x) (BIG ? ((x & 0xfff0) == 0x91e0):((x & 0xfff0) == 0x91F0))
|
||||
@ -51,128 +50,129 @@ FRAME frame;
|
||||
#define IS_SUB_SP(x) ((x & 0xffff) == 0x020f)
|
||||
#define IS_PUSH_FP(x) (BIG ? (x == 0x93ea) : (x == 0x93fa))
|
||||
|
||||
|
||||
/* work out how much local space is on the stack and
|
||||
/* work out how much local space is on the stack and
|
||||
return the pc pointing to the first push */
|
||||
|
||||
static
|
||||
CORE_ADDR
|
||||
skip_adjust(pc, size)
|
||||
CORE_ADDR pc;
|
||||
int *size;
|
||||
static CORE_ADDR
|
||||
skip_adjust (pc, size)
|
||||
CORE_ADDR pc;
|
||||
int *size;
|
||||
{
|
||||
*size = 0;
|
||||
|
||||
if (IS_PUSH_FP(read_memory_short(pc))
|
||||
&& IS_MOV_SP_FP(read_memory_short(pc+2)))
|
||||
{
|
||||
/* This is a function with an explict frame pointer */
|
||||
pc += 4;
|
||||
*size += 2; /* remember the frame pointer */
|
||||
}
|
||||
if (IS_PUSH_FP (read_memory_short (pc))
|
||||
&& IS_MOV_SP_FP (read_memory_short (pc + 2)))
|
||||
{
|
||||
/* This is a function with an explict frame pointer */
|
||||
pc += 4;
|
||||
*size += 2; /* remember the frame pointer */
|
||||
}
|
||||
|
||||
/* remember any stack adjustment */
|
||||
if (IS_SUB_SP(read_memory_short(pc)))
|
||||
{
|
||||
*size += read_memory_short(pc+2);
|
||||
pc += 4;
|
||||
}
|
||||
if (IS_SUB_SP (read_memory_short (pc)))
|
||||
{
|
||||
*size += read_memory_short (pc + 2);
|
||||
pc += 4;
|
||||
}
|
||||
return pc;
|
||||
}
|
||||
|
||||
|
||||
int
|
||||
examine_frame(pc, regs, sp)
|
||||
CORE_ADDR pc;
|
||||
struct frame_saved_regs *regs;
|
||||
CORE_ADDR sp;
|
||||
examine_frame (pc, regs, sp)
|
||||
CORE_ADDR pc;
|
||||
struct frame_saved_regs *regs;
|
||||
CORE_ADDR sp;
|
||||
{
|
||||
int w = read_memory_short(pc);
|
||||
int offset = 0;
|
||||
int regno;
|
||||
int w = read_memory_short (pc);
|
||||
int offset = 0;
|
||||
int regno;
|
||||
|
||||
for (regno = 0; regno < NUM_REGS; regno++)
|
||||
regs->regs[regno] = 0;
|
||||
|
||||
|
||||
for (regno = 0; regno < NUM_REGS; regno++)
|
||||
regs->regs[regno] = 0;
|
||||
|
||||
while (IS_PUSHW(w) || IS_PUSHL(w))
|
||||
while (IS_PUSHW (w) || IS_PUSHL (w))
|
||||
{
|
||||
/* work out which register is being pushed to where */
|
||||
if (IS_PUSHL(w))
|
||||
if (IS_PUSHL (w))
|
||||
{
|
||||
regs->regs[w & 0xf] = offset;
|
||||
regs->regs[(w & 0xf) + 1] = offset +2;
|
||||
regs->regs[(w & 0xf) + 1] = offset + 2;
|
||||
offset += 4;
|
||||
}
|
||||
else {
|
||||
else
|
||||
{
|
||||
regs->regs[w & 0xf] = offset;
|
||||
offset += 2;
|
||||
}
|
||||
pc += 2;
|
||||
w = read_memory_short(pc);
|
||||
w = read_memory_short (pc);
|
||||
}
|
||||
|
||||
if (IS_MOVE_FP(w))
|
||||
{
|
||||
/* We know the fp */
|
||||
if (IS_MOVE_FP (w))
|
||||
{
|
||||
/* We know the fp */
|
||||
|
||||
}
|
||||
else if (IS_SUB_SP(w))
|
||||
{
|
||||
/* Subtracting a value from the sp, so were in a function
|
||||
which needs stack space for locals, but has no fp. We fake up
|
||||
the values as if we had an fp */
|
||||
regs->regs[FP_REGNUM] = sp;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* This one didn't have an fp, we'll fake it up */
|
||||
regs->regs[SP_REGNUM] = sp;
|
||||
}
|
||||
/* stack pointer contains address of next frame */
|
||||
/* regs->regs[fp_regnum()] = fp;*/
|
||||
}
|
||||
else if (IS_SUB_SP (w))
|
||||
{
|
||||
/* Subtracting a value from the sp, so were in a function
|
||||
which needs stack space for locals, but has no fp. We fake up
|
||||
the values as if we had an fp */
|
||||
regs->regs[FP_REGNUM] = sp;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* This one didn't have an fp, we'll fake it up */
|
||||
regs->regs[SP_REGNUM] = sp;
|
||||
}
|
||||
/* stack pointer contains address of next frame */
|
||||
/* regs->regs[fp_regnum()] = fp;*/
|
||||
regs->regs[SP_REGNUM] = sp;
|
||||
return pc;
|
||||
}
|
||||
|
||||
CORE_ADDR z8k_skip_prologue(start_pc)
|
||||
CORE_ADDR start_pc;
|
||||
CORE_ADDR
|
||||
z8k_skip_prologue (start_pc)
|
||||
CORE_ADDR start_pc;
|
||||
{
|
||||
struct frame_saved_regs dummy;
|
||||
return examine_frame(start_pc, &dummy, 0);
|
||||
|
||||
return examine_frame (start_pc, &dummy, 0);
|
||||
}
|
||||
|
||||
CORE_ADDR addr_bits_remove(x)
|
||||
CORE_ADDR x;
|
||||
CORE_ADDR
|
||||
addr_bits_remove (x)
|
||||
CORE_ADDR x;
|
||||
{
|
||||
return x & PTR_MASK;
|
||||
}
|
||||
|
||||
read_memory_pointer(x)
|
||||
CORE_ADDR x;
|
||||
read_memory_pointer (x)
|
||||
CORE_ADDR x;
|
||||
{
|
||||
|
||||
return read_memory_integer(ADDR_BITS_REMOVE(x), BIG ? 4 : 2);
|
||||
return read_memory_integer (ADDR_BITS_REMOVE (x), BIG ? 4 : 2);
|
||||
}
|
||||
|
||||
FRAME_ADDR
|
||||
frame_chain (thisframe)
|
||||
FRAME thisframe;
|
||||
{
|
||||
if (thisframe->prev == 0)
|
||||
{
|
||||
/* This is the top of the stack, let's get the sp for real */
|
||||
}
|
||||
if (thisframe->prev == 0)
|
||||
{
|
||||
/* This is the top of the stack, let's get the sp for real */
|
||||
}
|
||||
if (!inside_entry_file ((thisframe)->pc))
|
||||
{
|
||||
return read_memory_pointer ((thisframe)->frame);
|
||||
}
|
||||
|
||||
{
|
||||
return read_memory_pointer ((thisframe)->frame);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
init_frame_pc() { abort(); }
|
||||
init_frame_pc ()
|
||||
{
|
||||
abort ();
|
||||
}
|
||||
|
||||
/* Put here the code to store, into a struct frame_saved_regs,
|
||||
the addresses of the saved registers of frame described by FRAME_INFO.
|
||||
@ -180,79 +180,70 @@ init_frame_pc() { abort(); }
|
||||
ways in the stack frame. sp is even more special:
|
||||
the address we return for it IS the sp for the next frame. */
|
||||
|
||||
void get_frame_saved_regs(frame_info, frame_saved_regs)
|
||||
void
|
||||
get_frame_saved_regs (frame_info, frame_saved_regs)
|
||||
struct frame_info *frame_info;
|
||||
struct frame_saved_regs *frame_saved_regs;
|
||||
|
||||
{
|
||||
CORE_ADDR pc;
|
||||
int w;
|
||||
bzero(frame_saved_regs, sizeof(*frame_saved_regs));
|
||||
pc = get_pc_function_start(frame_info->pc);
|
||||
CORE_ADDR pc;
|
||||
int w;
|
||||
|
||||
bzero (frame_saved_regs, sizeof (*frame_saved_regs));
|
||||
pc = get_pc_function_start (frame_info->pc);
|
||||
|
||||
/* wander down the instruction stream */
|
||||
examine_frame(pc, frame_saved_regs, frame_info->frame);
|
||||
examine_frame (pc, frame_saved_regs, frame_info->frame);
|
||||
|
||||
}
|
||||
|
||||
|
||||
extract_return_value(valtype, regbuf, valbuf)
|
||||
struct type *valtype;
|
||||
char regbuf[REGISTER_BYTES];
|
||||
char *valbuf;
|
||||
{
|
||||
bcopy(regbuf + REGISTER_BYTE(2), valbuf, TYPE_LENGTH(valtype));
|
||||
void
|
||||
z8k_push_dummy_frame ()
|
||||
{
|
||||
abort ();
|
||||
}
|
||||
void z8k_push_dummy_frame() { abort(); }
|
||||
|
||||
int print_insn(memaddr, stream)
|
||||
CORE_ADDR memaddr;
|
||||
FILE *stream;
|
||||
int
|
||||
print_insn (memaddr, stream)
|
||||
CORE_ADDR memaddr;
|
||||
FILE *stream;
|
||||
{
|
||||
char temp[20];
|
||||
|
||||
read_memory (memaddr, temp, 20);
|
||||
if (BIG) {
|
||||
return print_insn_z8001(memaddr, temp, stream);
|
||||
}
|
||||
else {
|
||||
return print_insn_z8002(memaddr, temp, stream);
|
||||
}
|
||||
if (BIG)
|
||||
{
|
||||
return print_insn_z8001 (memaddr, temp, stream);
|
||||
}
|
||||
else
|
||||
{
|
||||
return print_insn_z8002 (memaddr, temp, stream);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
store_return_value()
|
||||
{
|
||||
abort();
|
||||
}
|
||||
void
|
||||
store_struct_return() { abort(); }
|
||||
|
||||
|
||||
|
||||
/* Fetch the instruction at ADDR, returning 0 if ADDR is beyond LIM or
|
||||
is not the address of a valid instruction, the address of the next
|
||||
instruction beyond ADDR otherwise. *PWORD1 receives the first word
|
||||
of the instruction.*/
|
||||
|
||||
|
||||
CORE_ADDR
|
||||
NEXT_PROLOGUE_INSN(addr, lim, pword1)
|
||||
CORE_ADDR addr;
|
||||
CORE_ADDR lim;
|
||||
short *pword1;
|
||||
NEXT_PROLOGUE_INSN (addr, lim, pword1)
|
||||
CORE_ADDR addr;
|
||||
CORE_ADDR lim;
|
||||
short *pword1;
|
||||
{
|
||||
if (addr < lim+8)
|
||||
{
|
||||
read_memory (addr, pword1, sizeof(*pword1));
|
||||
SWAP_TARGET_AND_HOST (pword1, sizeof (short));
|
||||
return addr + 2;
|
||||
}
|
||||
if (addr < lim + 8)
|
||||
{
|
||||
read_memory (addr, pword1, sizeof (*pword1));
|
||||
SWAP_TARGET_AND_HOST (pword1, sizeof (short));
|
||||
|
||||
return addr + 2;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
}
|
||||
|
||||
|
||||
/* Put here the code to store, into a struct frame_saved_regs,
|
||||
the addresses of the saved registers of frame described by FRAME_INFO.
|
||||
This includes special registers such as pc and fp saved in special
|
||||
@ -271,108 +262,180 @@ frame_find_saved_regs (fip, fsrp)
|
||||
CORE_ADDR pc;
|
||||
CORE_ADDR adr;
|
||||
int i;
|
||||
|
||||
|
||||
memset (fsrp, 0, sizeof *fsrp);
|
||||
|
||||
pc = skip_adjust(get_pc_function_start (fip->pc), &locals);
|
||||
pc = skip_adjust (get_pc_function_start (fip->pc), &locals);
|
||||
|
||||
{
|
||||
adr = fip->frame - locals;
|
||||
for (i = 0; i < 8; i++)
|
||||
{
|
||||
int word = read_memory_short(pc);
|
||||
pc += 2 ;
|
||||
if (IS_PUSHL(word)) {
|
||||
fsrp->regs[word & 0xf] = adr;
|
||||
fsrp->regs[(word & 0xf) + 1] = adr - 2;
|
||||
adr -= 4;
|
||||
}
|
||||
else if (IS_PUSHW(word)) {
|
||||
fsrp->regs[word & 0xf] = adr;
|
||||
adr -= 2;
|
||||
}
|
||||
else
|
||||
break;
|
||||
}
|
||||
{
|
||||
adr = fip->frame - locals;
|
||||
for (i = 0; i < 8; i++)
|
||||
{
|
||||
int word = read_memory_short (pc);
|
||||
|
||||
pc += 2;
|
||||
if (IS_PUSHL (word))
|
||||
{
|
||||
fsrp->regs[word & 0xf] = adr;
|
||||
fsrp->regs[(word & 0xf) + 1] = adr - 2;
|
||||
adr -= 4;
|
||||
}
|
||||
else if (IS_PUSHW (word))
|
||||
{
|
||||
fsrp->regs[word & 0xf] = adr;
|
||||
adr -= 2;
|
||||
}
|
||||
else
|
||||
break;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
fsrp->regs[PC_REGNUM] = fip->frame + 4;
|
||||
fsrp->regs[FP_REGNUM] = fip->frame;
|
||||
|
||||
}
|
||||
|
||||
void
|
||||
addr_bits_set() { abort(); }
|
||||
addr_bits_set ()
|
||||
{
|
||||
abort ();
|
||||
}
|
||||
|
||||
int
|
||||
saved_pc_after_call()
|
||||
{
|
||||
return addr_bits_remove(read_memory_integer(read_register(SP_REGNUM), PTR_SIZE));
|
||||
saved_pc_after_call ()
|
||||
{
|
||||
return addr_bits_remove (read_memory_integer (read_register (SP_REGNUM), PTR_SIZE));
|
||||
}
|
||||
|
||||
void
|
||||
print_register_hook(regno)
|
||||
int regno;
|
||||
print_register_hook (regno)
|
||||
int regno;
|
||||
{
|
||||
|
||||
if ((regno & 1)==0 && regno < 16)
|
||||
{
|
||||
unsigned short l[2];
|
||||
read_relative_register_raw_bytes(regno, (char *)(l+0));
|
||||
read_relative_register_raw_bytes(regno+1, (char *)(l+1));
|
||||
printf("\t");
|
||||
printf("%04x%04x", l[0],l[1]);
|
||||
}
|
||||
if ((regno & 1) == 0 && regno < 16)
|
||||
{
|
||||
unsigned short l[2];
|
||||
|
||||
if ((regno & 3)== 0 && regno < 16)
|
||||
{
|
||||
unsigned short l[4];
|
||||
read_relative_register_raw_bytes(regno, l+0);
|
||||
read_relative_register_raw_bytes(regno+1, l+1);
|
||||
read_relative_register_raw_bytes(regno+2, l+2);
|
||||
read_relative_register_raw_bytes(regno+3, l+3);
|
||||
|
||||
printf("\t");
|
||||
printf("%04x%04x%04x%04x", l[0],l[1],l[2],l[3]);
|
||||
}
|
||||
if (regno == 15)
|
||||
{
|
||||
unsigned short rval;
|
||||
int i;
|
||||
read_relative_register_raw_bytes(regno, (char *)(&rval));
|
||||
|
||||
printf("\n");
|
||||
for (i = 0; i < 10; i+=2) {
|
||||
printf("(sp+%d=%04x)",i, read_memory_short(rval+i));
|
||||
read_relative_register_raw_bytes (regno, (char *) (l + 0));
|
||||
read_relative_register_raw_bytes (regno + 1, (char *) (l + 1));
|
||||
printf ("\t");
|
||||
printf ("%04x%04x", l[0], l[1]);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
if ((regno & 3) == 0 && regno < 16)
|
||||
{
|
||||
unsigned short l[4];
|
||||
|
||||
read_relative_register_raw_bytes (regno, l + 0);
|
||||
read_relative_register_raw_bytes (regno + 1, l + 1);
|
||||
read_relative_register_raw_bytes (regno + 2, l + 2);
|
||||
read_relative_register_raw_bytes (regno + 3, l + 3);
|
||||
|
||||
printf ("\t");
|
||||
printf ("%04x%04x%04x%04x", l[0], l[1], l[2], l[3]);
|
||||
}
|
||||
if (regno == 15)
|
||||
{
|
||||
unsigned short rval;
|
||||
int i;
|
||||
|
||||
read_relative_register_raw_bytes (regno, (char *) (&rval));
|
||||
|
||||
printf ("\n");
|
||||
for (i = 0; i < 10; i += 2)
|
||||
{
|
||||
printf ("(sp+%d=%04x)", i, read_memory_short (rval + i));
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
register_convert_to_virtual(regnum, from, to)
|
||||
unsigned char *from;
|
||||
unsigned char *to;
|
||||
{
|
||||
to[0] = from[0];
|
||||
to[1] = from[1];
|
||||
to[2] = from[2];
|
||||
to[3] = from[3];
|
||||
}
|
||||
|
||||
void
|
||||
register_convert_to_raw(regnum, to, from)
|
||||
char *to;
|
||||
char *from;
|
||||
register_convert_to_virtual (regnum, from, to)
|
||||
unsigned char *from;
|
||||
unsigned char *to;
|
||||
{
|
||||
to[0] = from[0];
|
||||
to[1] = from[1];
|
||||
to[2] = from[2];
|
||||
to[3] = from[3];
|
||||
to[0] = from[0];
|
||||
to[1] = from[1];
|
||||
to[2] = from[2];
|
||||
to[3] = from[3];
|
||||
}
|
||||
|
||||
void
|
||||
register_convert_to_raw (regnum, to, from)
|
||||
char *to;
|
||||
char *from;
|
||||
{
|
||||
to[0] = from[0];
|
||||
to[1] = from[1];
|
||||
to[2] = from[2];
|
||||
to[3] = from[3];
|
||||
}
|
||||
|
||||
void
|
||||
z8k_pop_frame ()
|
||||
{
|
||||
}
|
||||
|
||||
void z8k_pop_frame() { }
|
||||
struct cmd_list_element *setmemorylist;
|
||||
|
||||
void
|
||||
z8k_set_pointer_size (newsize)
|
||||
int newsize;
|
||||
{
|
||||
static int oldsize = 0;
|
||||
|
||||
if (oldsize != newsize)
|
||||
{
|
||||
printf ("pointer size set to %d bits\n", newsize);
|
||||
oldsize = newsize;
|
||||
if (newsize == 32)
|
||||
{
|
||||
BIG = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
BIG = 0;
|
||||
}
|
||||
_initialize_gdbtypes ();
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
segmented_command (args, from_tty)
|
||||
char *args;
|
||||
int from_tty;
|
||||
{
|
||||
z8k_set_pointer_size (16);
|
||||
}
|
||||
|
||||
static void
|
||||
unsegmented_command (args, from_tty)
|
||||
char *args;
|
||||
int from_tty;
|
||||
{
|
||||
z8k_set_pointer_size (16);
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
set_memory (args, from_tty)
|
||||
char *args;
|
||||
int from_tty;
|
||||
{
|
||||
printf ("\"set memory\" must be followed by the name of a memory subcommand.\n");
|
||||
help_list (setmemorylist, "set memory ", -1, stdout);
|
||||
}
|
||||
|
||||
_initialize_z8ktdep ()
|
||||
{
|
||||
add_prefix_cmd ("memory", no_class, set_memory,
|
||||
"set the memory model", &setmemorylist, "set memory ", 0,
|
||||
&setlist);
|
||||
add_cmd ("segmented", class_support, segmented_command,
|
||||
"Set segmented memory model.", &setmemorylist);
|
||||
add_cmd ("unsegmented", class_support, unsegmented_command,
|
||||
"Set unsegmented memory model.", &setmemorylist);
|
||||
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user