sim: mcore/microblaze: delete dead code

The mcore port had a few structs/defines that were never used.

Similarly, the microblaze port, because it was copied from mcore, has
that same dead code, and more.  The watchpoint logic was never actually
used.  Punt it all.

diff --git a/sim/mcore/ChangeLog b/sim/mcore/ChangeLog
index 132cda841dbbf543ae733266419fbecd5dfd38dd..f24032e49fc6966fdf009d55ec003a7492a3c113 100644 (file)
--- a/sim/mcore/ChangeLog
+++ b/sim/mcore/ChangeLog
@@ -1,3 +1,7 @@
+2015-03-29  Mike Frysinger  <vapier@gentoo.org>
+
+       * interp.c (struct aout, LONG, SHORT): Delete.
+
 2015-03-29  Mike Frysinger  <vapier@gentoo.org>
 
        * Makefile.in (SIM_RUN_OBJS, SIM_EXTRA_CFLAGS, SIM_EXTRA_LIBS): Delete.

diff --git a/sim/mcore/interp.c b/sim/mcore/interp.c
index 93856d4157281d2a61fc52d01898d23ded78c3d9..b99988c38fbfc9341dd70e59617981b89297f7ec 100644 (file)
--- a/sim/mcore/interp.c
+++ b/sim/mcore/interp.c
@@ -1779,22 +1779,6 @@ sim_info (SIM_DESC sd, int verbose)
 #endif
 }
 
-struct aout
-{
-  unsigned char  sa_machtype[2];
-  unsigned char  sa_magic[2];
-  unsigned char  sa_tsize[4];
-  unsigned char  sa_dsize[4];
-  unsigned char  sa_bsize[4];
-  unsigned char  sa_syms[4];
-  unsigned char  sa_entry[4];
-  unsigned char  sa_trelo[4];
-  unsigned char  sa_drelo[4];
-} aout;
-
-#define        LONG(x)         (((x)[0]<<24)|((x)[1]<<16)|((x)[2]<<8)|(x)[3])
-#define        SHORT(x)        (((x)[0]<<8)|(x)[1])
-
 static void
 free_state (SIM_DESC sd)
 {

diff --git a/sim/microblaze/ChangeLog b/sim/microblaze/ChangeLog
index b2a5150053a8ec54090f8a6a329f3468b6c34685..2501423fb1f9e7c2df8c567f44832478dce91520 100644 (file)
--- a/sim/microblaze/ChangeLog
+++ b/sim/microblaze/ChangeLog
@@ -1,3 +1,13 @@
+2015-03-29  Mike Frysinger  <vapier@gentoo.org>
+
+       * interp.c (NUM_ELEM, heap_ptr, stack_ptr, memcycles, struct aout,
+       LONG, SHORT): Delete.
+       [WATCHFUNCTIONS]: Delete.
+       (sim_info) [WATCHFUNCTIONS]: Delete.
+       (sim_create_inferior): Delete avp, nargs, nenv, s_length, strings,
+       pointers, and hi_stack.
+       (sim_do_command): Delete the "watch" command.
+
 2015-03-29  Mike Frysinger  <vapier@gentoo.org>
 
        * interp.c (sim_load): Set verbose to 0 when calling sim_load_file.

diff --git a/sim/microblaze/interp.c b/sim/microblaze/interp.c
index 4e64932c3bf3c842ae7deebcc41088a57a811b2b..335181a5aff1610e9846a4cbd78ef2e3963bfdf0 100644 (file)
--- a/sim/microblaze/interp.c
+++ b/sim/microblaze/interp.c
@@ -32,14 +32,7 @@
 #include "sim-utils.h"
 #include "microblaze-dis.h"
 
-
-#ifndef NUM_ELEM
-#define NUM_ELEM(A) (sizeof (A) / sizeof (A)[0])
-#endif
-
 static int target_big_endian = 1;
-static unsigned long heap_ptr = 0;
-static unsigned long stack_ptr = 0;
 host_callback *callback;
 
 static unsigned long
@@ -100,8 +93,6 @@ microblaze_store_unsigned_integer (unsigned char *addr, int len,
 
 struct sim_state microblaze_state;
 
-int memcycles = 1;
-
 static SIM_OPEN_KIND sim_kind;
 static char *myname;
 
@@ -345,24 +336,6 @@ set_initial_gprs (void)
   CPU.imm_enable = 0;
 }
 
-#define WATCHFUNCTIONS 1
-#ifdef WATCHFUNCTIONS
-
-#define MAXWL 80
-word WL[MAXWL];
-char *WLstr[MAXWL];
-
-int ENDWL=0;
-int WLincyc;
-int WLcyc[MAXWL];
-int WLcnts[MAXWL];
-int WLmax[MAXWL];
-int WLmin[MAXWL];
-word WLendpc;
-int WLbcyc;
-int WLW;
-#endif
-
 static int tracing = 0;
 
 void
@@ -667,55 +640,12 @@ sim_stop (SIM_DESC sd)
 void
 sim_info (SIM_DESC sd, int verbose)
 {
-#ifdef WATCHFUNCTIONS
-  int w, wcyc;
-#endif
-
   callback->printf_filtered (callback, "\n\n# instructions executed  %10d\n",
                             CPU.insts);
   callback->printf_filtered (callback, "# cycles                 %10d\n",
                             (CPU.cycles) ? CPU.cycles+2 : 0);
-
-#ifdef WATCHFUNCTIONS
-  callback->printf_filtered (callback, "\nNumber of watched functions: %d\n",
-                            ENDWL);
-
-  wcyc = 0;
-
-  for (w = 1; w <= ENDWL; w++)
-    {
-      callback->printf_filtered (callback, "WL = %s %8x\n",WLstr[w],WL[w]);
-      callback->printf_filtered (callback, "  calls = %d, cycles = %d\n",
-                                WLcnts[w],WLcyc[w]);
-
-      if (WLcnts[w] != 0)
-       callback->printf_filtered (callback,
-                                  "  maxcpc = %d, mincpc = %d, avecpc = %d\n",
-                                  WLmax[w],WLmin[w],WLcyc[w]/WLcnts[w]);
-      wcyc += WLcyc[w];
-    }
-
-  callback->printf_filtered (callback,
-                            "Total cycles for watched functions: %d\n",wcyc);
-#endif
 }
 
-struct aout
-{
-  unsigned char  sa_machtype[2];
-  unsigned char  sa_magic[2];
-  unsigned char  sa_tsize[4];
-  unsigned char  sa_dsize[4];
-  unsigned char  sa_bsize[4];
-  unsigned char  sa_syms[4];
-  unsigned char  sa_entry[4];
-  unsigned char  sa_trelo[4];
-  unsigned char  sa_drelo[4];
-} aout;
-
-#define        LONG(x)         (((x)[0]<<24)|((x)[1]<<16)|((x)[2]<<8)|(x)[3])
-#define        SHORT(x)        (((x)[0]<<8)|(x)[1])
-
 SIM_DESC
 sim_open (SIM_OPEN_KIND kind, host_callback *cb, struct bfd *abfd, char **argv)
 {
@@ -837,15 +767,7 @@ sim_load (SIM_DESC sd, const char *prog, bfd *abfd, int from_tty)
 SIM_RC
 sim_create_inferior (SIM_DESC sd, struct bfd *prog_bfd, char **argv, char **env)
 {
-  char **avp;
-  int nargs = 0;
-  int nenv = 0;
-  int s_length;
   int l;
-  unsigned long strings;
-  unsigned long pointers;
-  unsigned long hi_stack;
-
 
   /* Set the initial register set.  */
   l = issue_messages;
@@ -853,7 +775,6 @@ sim_create_inferior (SIM_DESC sd, struct bfd *prog_bfd, char **argv, char **env)
   set_initial_gprs ();
   issue_messages = l;
 
-  hi_stack = CPU.msize - 4;
   PC = bfd_get_start_address (prog_bfd);
 
   /* For now ignore all parameters to the program */
@@ -870,24 +791,7 @@ sim_do_command (SIM_DESC sd, const char *cmd)
     {
       char ** simargv = buildargv (cmd);
 
-      if (strcmp (simargv[0], "watch") == 0)
-       {
-         if ((simargv[1] == NULL) || (simargv[2] == NULL))
-           {
-             fprintf (stderr, "Error: missing argument to watch cmd.\n");
-             freeargv (simargv);
-             return;
-           }
-
-         ENDWL++;
-
-         WL[ENDWL] = strtol (simargv[2], NULL, 0);
-         WLstr[ENDWL] = strdup (simargv[1]);
-         fprintf (stderr, "Added %s (%x) to watchlist, #%d\n",WLstr[ENDWL],
-                  WL[ENDWL], ENDWL);
-
-       }
-      else if (strcmp (simargv[0], "dumpmem") == 0)
+      if (strcmp (simargv[0], "dumpmem") == 0)
        {
          unsigned char * p;
          FILE * dumpfile;
@@ -908,7 +812,6 @@ sim_do_command (SIM_DESC sd, const char *cmd)
        {
          CPU.cycles = 0;
          CPU.insts = 0;
-         ENDWL = 0;
        }
       else if (strcmp (simargv[0], "verbose") == 0)
        {
@@ -925,7 +828,6 @@ sim_do_command (SIM_DESC sd, const char *cmd)
   else
     {
       fprintf (stderr, "M.CORE sim commands: \n");
-      fprintf (stderr, "  watch <funcname> <addr>\n");
       fprintf (stderr, "  dumpmem <filename>\n");
       fprintf (stderr, "  clearstats\n");
       fprintf (stderr, "  verbose\n");