1 /* The IGEN simulator generator for GDB, the GNU Debugger.
3 Copyright 2002 Free Software Foundation, Inc.
5 Contributed by Andrew Cagney.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330,
22 Boston, MA 02111-1307, USA. */
33 #include "ld-decode.h"
37 #include "gen-semantics.h"
38 #include "gen-support.h"
41 print_support_function_name (lf *file,
42 function_entry * function,
43 int is_function_definition)
45 if (function->is_internal)
47 lf_print__function_type_function (file, print_semantic_function_type,
49 (is_function_definition ? "\n" :
51 print_function_name (file, function->name, NULL, NULL, NULL,
52 function_name_prefix_semantics);
53 lf_printf (file, "\n(");
55 print_semantic_function_formal (file, 0);
57 lf_printf (file, ")");
58 if (!is_function_definition)
59 lf_printf (file, ";");
60 lf_printf (file, "\n");
64 /* map the name onto a globally valid name */
65 if (!is_function_definition
66 && strcmp (options.module.support.prefix.l, "") != 0)
68 lf_indent_suppress (file);
69 lf_printf (file, "#define %s %s%s\n",
71 options.module.support.prefix.l, function->name);
73 lf_print__function_type (file,
76 (is_function_definition ? "\n" : " "));
77 lf_printf (file, "%s%s\n(",
78 options.module.support.prefix.l, function->name);
81 "sim_cpu *cpu, %sinstruction_address cia, int MY_INDEX",
82 options.module.support.prefix.l);
85 "SIM_DESC sd, %sinstruction_address cia, int MY_INDEX",
86 options.module.support.prefix.l);
87 if (function->param != NULL && strlen (function->param) > 0)
88 lf_printf (file, ", %s", function->param);
89 lf_printf (file, ")%s", (is_function_definition ? "\n" : ";\n"));
95 support_h_function (lf *file, function_entry * function, void *data)
97 ASSERT (function->type != NULL);
98 print_support_function_name (file, function, 0 /*!is_definition */ );
99 lf_printf (file, "\n");
104 gen_support_h (lf *file, insn_table *table)
106 /* output the definition of `SD_' */
109 lf_printf (file, "#define SD CPU_STATE (cpu)\n");
110 lf_printf (file, "#define CPU cpu\n");
111 lf_printf (file, "#define CPU_ cpu\n");
115 lf_printf (file, "#define SD sd\n");
116 lf_printf (file, "#define CPU (STATE_CPU (sd, 0))\n");
117 lf_printf (file, "#define CPU_ sd\n");
120 lf_printf (file, "#define CIA_ cia\n");
121 if (options.gen.delayed_branch)
123 lf_printf (file, "#define CIA cia.ip\n");
125 "/* #define NIA nia.dp -- do not define, ambigious */\n");
129 lf_printf (file, "#define CIA cia\n");
130 lf_printf (file, "#define NIA nia\n");
132 lf_printf (file, "\n");
134 lf_printf (file, "#define SD_ CPU_, CIA_, MY_INDEX\n");
135 lf_printf (file, "#define _SD SD_ /* deprecated */\n");
136 lf_printf (file, "\n");
138 /* Map <PREFIX>_xxxx onto the shorter xxxx for the following names:
144 Map defined here as name space problems are created when the name is
145 defined in idecode.h */
146 if (strcmp (options.module.idecode.prefix.l, "") != 0)
148 lf_indent_suppress (file);
149 lf_printf (file, "#define %s %s%s\n",
151 options.module.idecode.prefix.l, "instruction_word");
152 lf_printf (file, "\n");
153 lf_indent_suppress (file);
154 lf_printf (file, "#define %s %s%s\n",
156 options.module.idecode.prefix.l, "idecode_issue");
157 lf_printf (file, "\n");
158 lf_indent_suppress (file);
159 lf_printf (file, "#define %s %s%s\n",
161 options.module.idecode.prefix.l, "semantic_illegal");
162 lf_printf (file, "\n");
165 /* output a declaration for all functions */
166 function_entry_traverse (file, table->functions, support_h_function, NULL);
167 lf_printf (file, "\n");
168 lf_printf (file, "#if defined(SUPPORT_INLINE)\n");
169 lf_printf (file, "# if ((SUPPORT_INLINE & INCLUDE_MODULE)\\\n");
170 lf_printf (file, " && (SUPPORT_INLINE & INCLUDED_BY_MODULE))\n");
171 lf_printf (file, "# include \"%ssupport.c\"\n",
172 options.module.support.prefix.l);
173 lf_printf (file, "# endif\n");
174 lf_printf (file, "#endif\n");
178 support_c_function (lf *file, function_entry * function, void *data)
180 ASSERT (function->type != NULL);
181 print_support_function_name (file, function, 1 /*!is_definition */ );
182 lf_printf (file, "{\n");
183 lf_indent (file, +2);
184 if (function->code == NULL)
185 error (function->line, "Function without body (or null statement)");
186 lf_print__line_ref (file, function->code->line);
187 table_print_code (file, function->code);
188 if (function->is_internal)
191 "sim_engine_abort (SD, CPU, cia, \"Internal function must longjump\\n\");\n");
192 lf_printf (file, "return cia;\n");
194 lf_indent (file, -2);
195 lf_printf (file, "}\n");
196 lf_print__internal_ref (file);
197 lf_printf (file, "\n");
202 gen_support_c (lf *file, insn_table *table)
204 lf_printf (file, "#include \"sim-main.h\"\n");
205 lf_printf (file, "#include \"%sidecode.h\"\n",
206 options.module.idecode.prefix.l);
207 lf_printf (file, "#include \"%sitable.h\"\n",
208 options.module.itable.prefix.l);
209 lf_printf (file, "#include \"%ssupport.h\"\n",
210 options.module.support.prefix.l);
211 lf_printf (file, "\n");
213 /* output a definition (c-code) for all functions */
214 function_entry_traverse (file, table->functions, support_c_function, NULL);