1 /* The IGEN simulator generator for GDB, the GNU Debugger.
3 Copyright 2002-2014 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 3 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, see <http://www.gnu.org/licenses/>. */
31 #include "ld-decode.h"
35 #include "gen-semantics.h"
36 #include "gen-support.h"
39 print_support_function_name (lf *file,
40 function_entry * function,
41 int is_function_definition)
43 if (function->is_internal)
45 lf_print__function_type_function (file, print_semantic_function_type,
47 (is_function_definition ? "\n" :
49 print_function_name (file, function->name, NULL, NULL, NULL,
50 function_name_prefix_semantics);
51 lf_printf (file, "\n(");
53 print_semantic_function_formal (file, 0);
55 lf_printf (file, ")");
56 if (!is_function_definition)
57 lf_printf (file, ";");
58 lf_printf (file, "\n");
62 /* map the name onto a globally valid name */
63 if (!is_function_definition
64 && strcmp (options.module.support.prefix.l, "") != 0)
66 lf_indent_suppress (file);
67 lf_printf (file, "#define %s %s%s\n",
69 options.module.support.prefix.l, function->name);
71 lf_print__function_type (file,
74 (is_function_definition ? "\n" : " "));
75 lf_printf (file, "%s%s\n(",
76 options.module.support.prefix.l, function->name);
79 "sim_cpu *cpu, %sinstruction_address cia, int MY_INDEX",
80 options.module.support.prefix.l);
83 "SIM_DESC sd, %sinstruction_address cia, int MY_INDEX",
84 options.module.support.prefix.l);
85 if (function->param != NULL && strlen (function->param) > 0)
86 lf_printf (file, ", %s", function->param);
87 lf_printf (file, ")%s", (is_function_definition ? "\n" : ";\n"));
93 support_h_function (lf *file, function_entry * function, void *data)
95 ASSERT (function->type != NULL);
96 print_support_function_name (file, function, 0 /*!is_definition */ );
97 lf_printf (file, "\n");
102 gen_support_h (lf *file, insn_table *table)
104 /* output the definition of `SD_' */
107 lf_printf (file, "#define SD CPU_STATE (cpu)\n");
108 lf_printf (file, "#define CPU cpu\n");
109 lf_printf (file, "#define CPU_ cpu\n");
113 lf_printf (file, "#define SD sd\n");
114 lf_printf (file, "#define CPU (STATE_CPU (sd, 0))\n");
115 lf_printf (file, "#define CPU_ sd\n");
118 lf_printf (file, "#define CIA_ cia\n");
119 if (options.gen.delayed_branch)
121 lf_printf (file, "#define CIA cia.ip\n");
123 "/* #define NIA nia.dp -- do not define, ambigious */\n");
127 lf_printf (file, "#define CIA cia\n");
128 lf_printf (file, "#define NIA nia\n");
130 lf_printf (file, "\n");
132 lf_printf (file, "#define SD_ CPU_, CIA_, MY_INDEX\n");
133 lf_printf (file, "#define _SD SD_ /* deprecated */\n");
134 lf_printf (file, "\n");
136 /* Map <PREFIX>_xxxx onto the shorter xxxx for the following names:
142 Map defined here as name space problems are created when the name is
143 defined in idecode.h */
144 if (strcmp (options.module.idecode.prefix.l, "") != 0)
146 lf_indent_suppress (file);
147 lf_printf (file, "#define %s %s%s\n",
149 options.module.idecode.prefix.l, "instruction_word");
150 lf_printf (file, "\n");
151 lf_indent_suppress (file);
152 lf_printf (file, "#define %s %s%s\n",
154 options.module.idecode.prefix.l, "idecode_issue");
155 lf_printf (file, "\n");
156 lf_indent_suppress (file);
157 lf_printf (file, "#define %s %s%s\n",
159 options.module.idecode.prefix.l, "semantic_illegal");
160 lf_printf (file, "\n");
163 /* output a declaration for all functions */
164 function_entry_traverse (file, table->functions, support_h_function, NULL);
165 lf_printf (file, "\n");
166 lf_printf (file, "#if defined(SUPPORT_INLINE)\n");
167 lf_printf (file, "# if ((SUPPORT_INLINE & INCLUDE_MODULE)\\\n");
168 lf_printf (file, " && (SUPPORT_INLINE & INCLUDED_BY_MODULE))\n");
169 lf_printf (file, "# include \"%ssupport.c\"\n",
170 options.module.support.prefix.l);
171 lf_printf (file, "# endif\n");
172 lf_printf (file, "#endif\n");
176 support_c_function (lf *file, function_entry * function, void *data)
178 ASSERT (function->type != NULL);
179 print_support_function_name (file, function, 1 /*!is_definition */ );
180 lf_printf (file, "{\n");
181 lf_indent (file, +2);
182 if (function->code == NULL)
183 error (function->line, "Function without body (or null statement)");
184 lf_print__line_ref (file, function->code->line);
185 table_print_code (file, function->code);
186 if (function->is_internal)
189 "sim_engine_abort (SD, CPU, cia, \"Internal function must longjump\\n\");\n");
190 lf_printf (file, "return cia;\n");
192 lf_indent (file, -2);
193 lf_printf (file, "}\n");
194 lf_print__internal_ref (file);
195 lf_printf (file, "\n");
200 gen_support_c (lf *file, insn_table *table)
202 lf_printf (file, "#include \"sim-main.h\"\n");
203 lf_printf (file, "#include \"%sidecode.h\"\n",
204 options.module.idecode.prefix.l);
205 lf_printf (file, "#include \"%sitable.h\"\n",
206 options.module.itable.prefix.l);
207 lf_printf (file, "#include \"%ssupport.h\"\n",
208 options.module.support.prefix.l);
209 lf_printf (file, "\n");
211 /* output a definition (c-code) for all functions */
212 function_entry_traverse (file, table->functions, support_c_function, NULL);