X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=sim%2Figen%2Fgen-support.c;h=afe1a7540bb9958040d00137baa4a746b28ed29d;hb=8b8c7c9f49992750f66f81b4601d593a3858d98c;hp=d73a0de62dae97ad966b69b6ddf330a87b249cbd;hpb=15c1649391b66df7e721377daa248721ab3e58eb;p=deliverable%2Fbinutils-gdb.git

diff --git a/sim/igen/gen-support.c b/sim/igen/gen-support.c
index d73a0de62d..afe1a7540b 100644
--- a/sim/igen/gen-support.c
+++ b/sim/igen/gen-support.c
@@ -1,165 +1,213 @@
-/*  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.
- 
-    */
+/* The IGEN simulator generator for GDB, the GNU Debugger.
+
+   Copyright 2002-2016 Free Software Foundation, Inc.
+
+   Contributed by Andrew Cagney.
+
+   This file is part of GDB.
+
+   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 3 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, see <http://www.gnu.org/licenses/>.  */
+
 
 #include "misc.h"
 #include "lf.h"
 #include "table.h"
 #include "filter.h"
 
-#include "ld-decode.h"
-#include "ld-cache.h"
+#include "igen.h"
+
 #include "ld-insn.h"
+#include "ld-decode.h"
 
-#include "igen.h"
+#include "gen.h"
 
 #include "gen-semantics.h"
 #include "gen-support.h"
 
 static void
-print_support_function_name(lf *file,
-			    table_entry *function,
-			    int is_function_definition)
+print_support_function_name (lf *file,
+			     function_entry * function,
+			     int is_function_definition)
 {
-  if (it_is("internal", function->fields[insn_flags])) {
-    lf_print_function_type_function(file, print_semantic_function_type, "INLINE_SUPPORT",
-				    (is_function_definition ? "\n" : " "));
-    print_function_name(file,
-			function->fields[function_name],
-			NULL,
-			function_name_prefix_semantics);
-    lf_printf(file, "\n(");
-    print_semantic_function_formal(file);
-    lf_printf(file, ")");
-    if (!is_function_definition)
-      lf_printf(file, ";");
-    lf_printf(file, "\n");
-  }
-  else {
-    /* map the name onto a globally valid name */
-    if (!is_function_definition && strcmp(global_name_prefix, "") != 0) {
-      lf_indent_suppress(file);
-      lf_printf(file, "#define %s %s%s\n",
-		function->fields[function_name],
-		global_name_prefix,
-		function->fields[function_name]);
+  if (function->is_internal)
+    {
+      lf_print__function_type_function (file, print_semantic_function_type,
+					"INLINE_SUPPORT",
+					(is_function_definition ? "\n" :
+					 " "));
+      print_function_name (file, function->name, NULL, NULL, NULL,
+			   function_name_prefix_semantics);
+      lf_printf (file, "\n(");
+      lf_indent (file, +1);
+      print_semantic_function_formal (file, 0);
+      lf_indent (file, -1);
+      lf_printf (file, ")");
+      if (!is_function_definition)
+	lf_printf (file, ";");
+      lf_printf (file, "\n");
+    }
+  else
+    {
+      /* map the name onto a globally valid name */
+      if (!is_function_definition
+	  && strcmp (options.module.support.prefix.l, "") != 0)
+	{
+	  lf_indent_suppress (file);
+	  lf_printf (file, "#define %s %s%s\n",
+		     function->name,
+		     options.module.support.prefix.l, function->name);
+	}
+      lf_print__function_type (file,
+			       function->type,
+			       "INLINE_SUPPORT",
+			       (is_function_definition ? "\n" : " "));
+      lf_printf (file, "%s%s\n(",
+		 options.module.support.prefix.l, function->name);
+      if (options.gen.smp)
+	lf_printf (file,
+		   "sim_cpu *cpu, %sinstruction_address cia, int MY_INDEX",
+		   options.module.support.prefix.l);
+      else
+	lf_printf (file,
+		   "SIM_DESC sd, %sinstruction_address cia, int MY_INDEX",
+		   options.module.support.prefix.l);
+      if (function->param != NULL && strlen (function->param) > 0)
+	lf_printf (file, ", %s", function->param);
+      lf_printf (file, ")%s", (is_function_definition ? "\n" : ";\n"));
     }
-    lf_print_function_type(file,
-			   function->fields[function_type],
-			   "INLINE_SUPPORT",
-			   (is_function_definition ? "\n" : " "));
-    lf_printf(file, "%s%s\n(",
-	      global_name_prefix,
-	      function->fields[function_name]);
-    if (generate_smp)
-      lf_printf(file, "sim_cpu *cpu");
-    else
-      lf_printf(file, "SIM_DESC sd");
-    if (strcmp(function->fields[function_param], "") != 0)
-      lf_printf(file, ", %s", function->fields[function_param]);
-    lf_printf(file, ")%s", (is_function_definition ? "\n" : ";\n"));
-  }
 }
 
 
 static void
-support_h_function(insn_table *entry,
-		   lf *file,
-		   void *data,
-		   table_entry *function)
+support_h_function (lf *file, function_entry * function, void *data)
 {
-  ASSERT(function->fields[function_type] != NULL);
-  ASSERT(function->fields[function_param] != NULL);
-  print_support_function_name(file,
-			      function,
-			      0/*!is_definition*/);
-  lf_printf(file, "\n");
+  ASSERT (function->type != NULL);
+  print_support_function_name (file, function, 0 /*!is_definition */ );
+  lf_printf (file, "\n");
 }
 
 
 extern void
-gen_support_h(insn_table *table,
-	      lf *file)
+gen_support_h (lf *file, insn_table *table)
 {
-  /* output the definition of `_SD'*/
-  if (generate_smp) {
-    lf_printf(file, "#define _SD cpu\n");
-    lf_printf(file, "#define SD cpu->sd\n");
-    lf_printf(file, "#define CPU cpu\n");
-  }
-  else {
-    lf_printf(file, "#define _SD sd\n");
-    lf_printf(file, "#define SD sd\n");
-    lf_printf(file, "#define CPU (&sd->cpu)\n");
-  }
-  lf_printf(file, "\n");
+  /* output the definition of `SD_' */
+  if (options.gen.smp)
+    {
+      lf_printf (file, "#define SD CPU_STATE (cpu)\n");
+      lf_printf (file, "#define CPU cpu\n");
+      lf_printf (file, "#define CPU_ cpu\n");
+    }
+  else
+    {
+      lf_printf (file, "#define SD sd\n");
+      lf_printf (file, "#define CPU (STATE_CPU (sd, 0))\n");
+      lf_printf (file, "#define CPU_ sd\n");
+    }
+
+  lf_printf (file, "#define CIA_ cia\n");
+  if (options.gen.delayed_branch)
+    {
+      lf_printf (file, "#define CIA cia.ip\n");
+      lf_printf (file,
+		 "/* #define NIA nia.dp -- do not define, ambigious */\n");
+    }
+  else
+    {
+      lf_printf (file, "#define CIA cia\n");
+      lf_printf (file, "#define NIA nia\n");
+    }
+  lf_printf (file, "\n");
+
+  lf_printf (file, "#define SD_ CPU_, CIA_, MY_INDEX\n");
+  lf_printf (file, "#define _SD SD_ /* deprecated */\n");
+  lf_printf (file, "\n");
+
+  /* Map <PREFIX>_xxxx onto the shorter xxxx for the following names:
+
+     instruction_word
+     idecode_issue
+     semantic_illegal
+
+     Map defined here as name space problems are created when the name is
+     defined in idecode.h  */
+  if (strcmp (options.module.idecode.prefix.l, "") != 0)
+    {
+      lf_indent_suppress (file);
+      lf_printf (file, "#define %s %s%s\n",
+		 "instruction_word",
+		 options.module.idecode.prefix.l, "instruction_word");
+      lf_printf (file, "\n");
+      lf_indent_suppress (file);
+      lf_printf (file, "#define %s %s%s\n",
+		 "idecode_issue",
+		 options.module.idecode.prefix.l, "idecode_issue");
+      lf_printf (file, "\n");
+      lf_indent_suppress (file);
+      lf_printf (file, "#define %s %s%s\n",
+		 "semantic_illegal",
+		 options.module.idecode.prefix.l, "semantic_illegal");
+      lf_printf (file, "\n");
+    }
+
   /* output a declaration for all functions */
-  insn_table_traverse_function(table,
-			       file, NULL,
-			       support_h_function);
-  lf_printf(file, "\n");
-  lf_printf(file, "#if defined(SUPPORT_INLINE)\n");
-  lf_printf(file, "# if ((SUPPORT_INLINE & INCLUDE_MODULE)\\\n");
-  lf_printf(file, "      && (SUPPORT_INLINE & INCLUDED_BY_MODULE))\n");
-  lf_printf(file, "#  include \"%ssupport.c\"\n", global_name_prefix);
-  lf_printf(file, "# endif\n");
-  lf_printf(file, "#endif\n");
+  function_entry_traverse (file, table->functions, support_h_function, NULL);
+  lf_printf (file, "\n");
+  lf_printf (file, "#if defined(SUPPORT_INLINE)\n");
+  lf_printf (file, "# if ((SUPPORT_INLINE & INCLUDE_MODULE)\\\n");
+  lf_printf (file, "      && (SUPPORT_INLINE & INCLUDED_BY_MODULE))\n");
+  lf_printf (file, "#  include \"%ssupport.c\"\n",
+	     options.module.support.prefix.l);
+  lf_printf (file, "# endif\n");
+  lf_printf (file, "#endif\n");
 }
 
 static void
-support_c_function(insn_table *table,
-		   lf *file,
-		   void *data,
-		   table_entry *function)
+support_c_function (lf *file, function_entry * function, void *data)
 {
-  ASSERT (function->fields[function_type] != NULL);
-  print_support_function_name (file,
-			       function,
-			       1/*!is_definition*/);
-  table_entry_print_cpp_line_nr (file, function);
+  ASSERT (function->type != NULL);
+  print_support_function_name (file, function, 1 /*!is_definition */ );
   lf_printf (file, "{\n");
   lf_indent (file, +2);
-  lf_print__c_code (file, function->annex);
-  if (it_is ("internal", function->fields[insn_flags]))
+  if (function->code == NULL)
+    error (function->line, "Function without body (or null statement)");
+  lf_print__line_ref (file, function->code->line);
+  table_print_code (file, function->code);
+  if (function->is_internal)
     {
-      lf_printf (file, "sim_io_error (sd, \"Internal function must longjump\\n\");\n");
-      lf_printf (file, "memset (&cia, 0, sizeof cia);\n");
+      lf_printf (file,
+		 "sim_engine_abort (SD, CPU, cia, \"Internal function must longjump\\n\");\n");
       lf_printf (file, "return cia;\n");
     }
   lf_indent (file, -2);
   lf_printf (file, "}\n");
-  lf_print__internal_reference (file);
+  lf_print__internal_ref (file);
   lf_printf (file, "\n");
 }
 
 
 void
-gen_support_c(insn_table *table,
-	      lf *file)
+gen_support_c (lf *file, insn_table *table)
 {
-  lf_printf(file, "#include \"sim-main.h\"\n");
-  lf_printf(file, "#include \"%sidecode.h\"\n", global_name_prefix);
-  lf_printf(file, "#include \"%ssupport.h\"\n", global_name_prefix);
-  lf_printf(file, "\n");
+  lf_printf (file, "#include \"sim-main.h\"\n");
+  lf_printf (file, "#include \"%sidecode.h\"\n",
+	     options.module.idecode.prefix.l);
+  lf_printf (file, "#include \"%sitable.h\"\n",
+	     options.module.itable.prefix.l);
+  lf_printf (file, "#include \"%ssupport.h\"\n",
+	     options.module.support.prefix.l);
+  lf_printf (file, "\n");
 
   /* output a definition (c-code) for all functions */
-  insn_table_traverse_function(table,
-			       file, NULL,
-			       support_c_function);
+  function_entry_traverse (file, table->functions, support_c_function, NULL);
 }