Andrew's latest changes & print all instruction counts if -I

1 files changed, 114 insertions, 0 deletions

diff --git a/sim/ppc/debug.c b/sim/ppc/debug.c
new file mode 100644
index 0000000..b23644c
--- /dev/null
+++ b/sim/ppc/debug.c
@@ -0,0 +1,114 @@
+/*  This file is part of the program psim.
+
+    Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+ 
+    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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ 
+    */
+
+
+#ifndef _DEBUG_C_
+#define _DEBUG_C_
+
+#include "basics.h"
+#include <stdlib.h>
+
+int ppc_trace[nr_trace_options];
+int print_info;
+
+typedef struct _trace_option_descriptor {
+  trace_options option;
+  const char *name;
+  const char *description;
+} trace_option_descriptor;
+
+static trace_option_descriptor trace_description[] = {
+  { trace_gdb, "gdb", "calls made by gdb to the sim_calls.c file" },
+  { trace_os_emul, "os-emul", "VEA mode sytem calls - like strace/spy" },
+  /* decode/issue */
+  { trace_semantics, "semantics", "Instruction execution (issue)" },
+  { trace_idecode, "idecode", "instruction decode (when miss in cache)" },
+  { trace_alu, "alu", "results of integer ALU" },
+  { trace_load_store, "load-store", "transfers to from data registers" },
+  /* devices */
+  { trace_device_tree, "device-tree",  },
+  { trace_devices, "devices" },
+  { trace_pass_device, "pass-device" },
+  { trace_console_device, "console-device" },
+  { trace_icu_device, "icu-device" },
+  { trace_halt_device, "halt-device" },
+  { trace_register_device, "register-device" },
+  { trace_vm_device, "vm-device" },
+  { trace_memory_device, "memory-device" },
+  { trace_htab_device, "htab-device" },
+  { trace_pte_device, "pte-device" },
+  { trace_binary_device, "binary-device" },
+  { trace_file_device, "file-device" },
+  { trace_core_device, "core-device" },
+  { trace_stack_device, "stack-device" },
+  /* misc */
+  /* sentinal */
+  { nr_trace_options, NULL },
+};
+
+extern void
+trace_option(const char *option)
+{
+  int setting = 1;
+  if (option[0] == '!') {
+    setting = 0; /* clear it */
+    option += 1;
+  }
+  if (strcmp(option, "all") == 0) {
+    trace_options i;
+    for (i = 0; i < nr_trace_options; i++)
+      ppc_trace[i] = setting;
+  }
+  else {
+    int i = 0;
+    while (trace_description[i].option < nr_trace_options
+	   && strcmp(option, trace_description[i].name) != 0)
+      i++;
+    if (trace_description[i].option < nr_trace_options)
+      ppc_trace[trace_description[i].option] = setting;
+    else {
+      i = strtoul(option, 0, 0);
+      if (i > 0 && i < nr_trace_options)
+	ppc_trace[i] = setting;
+      else
+	error("Unknown trace option: %s\n", option);
+    }
+      
+  }
+}
+
+
+extern void
+trace_usage(void)
+{
+  const char *format = "\t%-18s%s\n";
+  int i;
+  printf_filtered("Possible <trace-option>s are:\n");
+  printf_filtered(format, "!<trace-option>", "Disable the specified option");
+  printf_filtered(format, "all", "enable all the trace options");
+  for (i = 0; trace_description[i].option < nr_trace_options; i++)
+    printf_filtered(format,
+		    trace_description[i].name,
+		    (trace_description[i].description
+		     ? trace_description[i].description
+		     : ""));
+}
+
+#endif /* _DEBUG_C_ */