Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 153 insertions, 0 deletions

diff --git a/sim/ppc/debug.c b/sim/ppc/debug.c
new file mode 100644
index 0000000..5931d1e
--- /dev/null
+++ b/sim/ppc/debug.c
@@ -0,0 +1,153 @@
+/*  This file is part of the program psim.
+
+    Copyright (C) 1994-1997, 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 "config.h"
+#include "basics.h"
+
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+int ppc_trace[nr_trace_options];
+
+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" },
+  { trace_events, "events", "event queue handling" },
+  /* decode/issue */
+  { trace_semantics, "semantics", "Instruction execution (issue)" },
+  { trace_idecode, "idecode", "instruction decode (when miss in icache)" },
+  { trace_alu, "alu", "results of integer ALU" },
+  { trace_vm, "vm", "OEA address translation" },
+  { trace_load_store, "load-store", "transfers between registers and memory" },
+  { trace_model, "model", "model specific information" },
+  { trace_interrupts, "interrupts", "interrupt handling" },
+  /* devices */
+  { trace_device_tree, "device-tree",  },
+  { trace_devices, "devices" },
+  { trace_binary_device, "binary-device" },
+  { trace_com_device, "com-device" },
+  { trace_console_device, "console-device" },
+  { trace_core_device, "core-device" },
+  { trace_disk_device, "disk-device" },
+  { trace_eeprom_device, "eeprom-device" },
+  { trace_file_device, "file-device" },
+  { trace_glue_device, "glue-device" },
+  { trace_halt_device, "halt-device" },
+  { trace_htab_device, "htab-device" },
+  { trace_icu_device, "icu-device" },
+  { trace_ide_device, "ide-device" },
+  { trace_memory_device, "memory-device" },
+  { trace_opic_device, "opic-device" },
+  { trace_pal_device, "pal-device" },
+  { trace_pass_device, "pass-device" },
+  { trace_phb_device, "phb-device" },
+  { trace_register_device, "register-device", "Device initializing registers" },
+  { trace_stack_device, "stack-device" },
+  { trace_vm_device, "vm-device" },
+  /* packages */
+  { trace_disklabel_package, "disklabel-package" },
+  /* misc */
+  { trace_print_info, "print-info", "Print performance analysis information" },
+  { trace_opts, "options", "Print options simulator was compiled with" },
+  /*{ trace_tbd, "tbd", "Trace any missing features" },*/
+  { trace_print_device_tree, "print-device-tree", "Output the contents of the device tree" },
+  { trace_dump_device_tree, "dump-device-tree", "Output the contents of the device tree then exit" },
+  /* sentinal */
+  { nr_trace_options, NULL },
+};
+
+extern void
+trace_option(const char *option,
+	     int setting)
+{
+  if (strcmp(option, "all") == 0) {
+    trace_options i;
+    for (i = 0; i < nr_trace_options; i++)
+      if (i != trace_dump_device_tree) {
+	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(int verbose)
+{
+  if (verbose) {
+    printf_filtered("\n");
+    printf_filtered("The following are possible <trace> options:\n");
+    printf_filtered("\n");
+  }
+  if (verbose == 1) {
+    int pos;
+    int i;
+    printf_filtered("  all");
+    pos = strlen("all") + 2;
+    for (i = 0; trace_description[i].option < nr_trace_options; i++) {
+      pos += strlen(trace_description[i].name) + 2;
+      if (pos > 75) {
+	pos = strlen(trace_description[i].name) + 2;
+	printf_filtered("\n");
+      }
+      printf_filtered("  %s", trace_description[i].name);
+    }
+    printf_filtered("\n");
+  }
+  if (verbose > 1) {
+    const char *format = "\t%-18s%s\n";
+    int i;
+    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_ */