-/* 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);
}
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