X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=sim%2Figen%2Fgen-itable.c;h=611b626558df70bd559fc1af8fbe3ee9069b7452;hb=128e85e3ab36b8e30f6612fb50de3cbb4ede6824;hp=735412e0297aeda0d703198843f30e5ac8ba9b61;hpb=687f3f1cef714d6fa3d6758721acfd1bdcf97fda;p=deliverable%2Fbinutils-gdb.git diff --git a/sim/igen/gen-itable.c b/sim/igen/gen-itable.c index 735412e029..611b626558 100644 --- a/sim/igen/gen-itable.c +++ b/sim/igen/gen-itable.c @@ -1,22 +1,23 @@ -/* This file is part of the program psim. +/* The IGEN simulator generator for GDB, the GNU Debugger. - Copyright (C) 1994-1995, Andrew Cagney + Copyright 2002-2016 Free Software Foundation, Inc. - 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. + Contributed by Andrew Cagney. - 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. - - */ + 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 . */ @@ -39,122 +40,178 @@ +typedef struct _itable_info +{ + int sizeof_form; + int sizeof_name; + int sizeof_file; +} +itable_info; + + static void itable_h_insn (lf *file, - insn_table *entry, - insn_entry *instruction, - void *data) + insn_table *entry, insn_entry * instruction, void *data) { + int len; + itable_info *info = data; lf_print__line_ref (file, instruction->line); lf_printf (file, " "); print_function_name (file, instruction->name, instruction->format_name, - NULL, - NULL, - function_name_prefix_itable); + NULL, NULL, function_name_prefix_itable); lf_printf (file, ",\n"); + /* update summary info */ + len = strlen (instruction->format_name); + if (info->sizeof_form <= len) + info->sizeof_form = len + 1; + len = strlen (instruction->name); + if (info->sizeof_name <= len) + info->sizeof_name = len + 1; + len = strlen (filter_filename (instruction->line->file_name)); + if (info->sizeof_file <= len) + info->sizeof_file = len + 1; } /* print the list of all the different options */ static void -itable_print_enum (lf *file, - filter *set, - char *name) +itable_print_enum (lf *file, filter *set, char *name) { char *elem; lf_printf (file, "typedef enum {\n"); lf_indent (file, +2); for (elem = filter_next (set, ""); - elem != NULL; - elem = filter_next (set, elem)) + elem != NULL; elem = filter_next (set, elem)) { lf_printf (file, "%sitable_%s_%s,\n", - options.prefix.itable.name, name, elem); - if (strlen (options.prefix.itable.name) > 0) + options.module.itable.prefix.l, name, elem); + if (strlen (options.module.itable.prefix.l) > 0) { lf_indent_suppress (file); lf_printf (file, "#define itable_%s_%s %sitable_%s_%s\n", - name, elem, options.prefix.itable.name, name, elem); + name, elem, options.module.itable.prefix.l, name, elem); } } - lf_printf (file, "nr_%sitable_%ss,", options.prefix.itable.name, name); - + lf_printf (file, "nr_%sitable_%ss,\n", options.module.itable.prefix.l, + name); + lf_indent (file, -2); - lf_printf (file, "\n} %sitable_%ss;\n", options.prefix.itable.name, name); - if (strlen (options.prefix.itable.name) > 0) + lf_printf (file, "} %sitable_%ss;\n", options.module.itable.prefix.l, name); + if (strlen (options.module.itable.prefix.l) > 0) { lf_indent_suppress (file); lf_printf (file, "#define itable_%ss %sitable_%ss\n", - name, options.prefix.itable.name, name); + name, options.module.itable.prefix.l, name); lf_indent_suppress (file); lf_printf (file, "#define nr_itable_%ss nr_%sitable_%ss\n", - name, options.prefix.itable.name, name); + name, options.module.itable.prefix.l, name); } - lf_printf (file, "\n"); } -extern void -gen_itable_h (lf *file, - insn_table *isa) +/* print an array of the option names as strings */ + +static void +itable_print_names (lf *file, filter *set, char *name) +{ + char *elem; + lf_printf (file, "const char *%sitable_%s_names[nr_%sitable_%ss + 1] = {\n", + options.module.itable.prefix.l, name, + options.module.itable.prefix.l, name); + lf_indent (file, +2); + for (elem = filter_next (set, ""); + elem != NULL; elem = filter_next (set, elem)) + { + lf_printf (file, "\"%s\",\n", elem); + } + lf_printf (file, "0,\n"); + lf_indent (file, -2); + lf_printf (file, "};\n"); +} + +extern void +gen_itable_h (lf *file, insn_table *isa) { + itable_info *info = ZALLOC (itable_info); /* output an enumerated type for each instruction */ lf_printf (file, "typedef enum {\n"); - insn_table_traverse_insn (file, isa, itable_h_insn, NULL); - lf_printf (file, " nr_%sitable_entries,\n", options.prefix.itable.name); - lf_printf (file, "} %sitable_index;\n", options.prefix.itable.name); + insn_table_traverse_insn (file, isa, itable_h_insn, info); + lf_printf (file, " nr_%sitable_entries,\n", + options.module.itable.prefix.l); + lf_printf (file, "} %sitable_index;\n", options.module.itable.prefix.l); lf_printf (file, "\n"); /* output an enumeration type for each flag */ itable_print_enum (file, isa->flags, "flag"); - + lf_printf (file, "extern const char *%sitable_flag_names[];\n", + options.module.itable.prefix.l); + lf_printf (file, "\n"); + /* output an enumeration of all the possible options */ itable_print_enum (file, isa->options, "option"); + lf_printf (file, "extern const char *%sitable_option_names[];\n", + options.module.itable.prefix.l); + lf_printf (file, "\n"); /* output an enumeration of all the processor models */ itable_print_enum (file, isa->model->processors, "processor"); + lf_printf (file, "extern const char *%sitable_processor_names[];\n", + options.module.itable.prefix.l); + lf_printf (file, "\n"); /* output the table that contains the actual instruction info */ lf_printf (file, "typedef struct _%sitable_instruction_info {\n", - options.prefix.itable.name); - lf_printf (file, " %sitable_index nr;\n", options.prefix.itable.name); + options.module.itable.prefix.l); + lf_printf (file, " %sitable_index nr;\n", options.module.itable.prefix.l); lf_printf (file, " char *format;\n"); lf_printf (file, " char *form;\n"); lf_printf (file, " char *flags;\n"); - lf_printf (file, " char flag[nr_%sitable_flags];\n", - options.prefix.itable.name); + + /* nr_itable_* may be zero, so we add 1 to avoid an + illegal zero-sized array. */ + lf_printf (file, " char flag[nr_%sitable_flags + 1];\n", + options.module.itable.prefix.l); lf_printf (file, " char *options;\n"); - lf_printf (file, " char option[nr_%sitable_options];\n", - options.prefix.itable.name); + lf_printf (file, " char option[nr_%sitable_options + 1];\n", + options.module.itable.prefix.l); lf_printf (file, " char *processors;\n"); - lf_printf (file, " char processor[nr_%sitable_processors];\n", - options.prefix.itable.name); + lf_printf (file, " char processor[nr_%sitable_processors + 1];\n", + options.module.itable.prefix.l); lf_printf (file, " char *name;\n"); lf_printf (file, " char *file;\n"); lf_printf (file, " int line_nr;\n"); - lf_printf (file, "} %sitable_info;\n", options.prefix.itable.name); + lf_printf (file, "} %sitable_info;\n", options.module.itable.prefix.l); lf_printf (file, "\n"); lf_printf (file, "extern %sitable_info %sitable[nr_%sitable_entries];\n", - options.prefix.itable.name, options.prefix.itable.name, - options.prefix.itable.name); - if (strlen (options.prefix.itable.name) > 0) + options.module.itable.prefix.l, options.module.itable.prefix.l, + options.module.itable.prefix.l); + if (strlen (options.module.itable.prefix.l) > 0) { lf_indent_suppress (file); lf_printf (file, "#define itable %sitable\n", - options.prefix.itable.name); + options.module.itable.prefix.l); } + lf_printf (file, "\n"); + + /* output an enum defining the max size of various itable members */ + lf_printf (file, "enum {\n"); + lf_printf (file, " sizeof_%sitable_form = %d,\n", + options.module.itable.prefix.l, info->sizeof_form); + lf_printf (file, " sizeof_%sitable_name = %d,\n", + options.module.itable.prefix.l, info->sizeof_name); + lf_printf (file, " sizeof_%sitable_file = %d,\n", + options.module.itable.prefix.l, info->sizeof_file); + lf_printf (file, "};\n"); } /****************************************************************/ static void -itable_print_set (lf *file, - filter *set, - filter *members) +itable_print_set (lf *file, filter *set, filter *members) { char *elem; lf_printf (file, "\""); @@ -172,10 +229,9 @@ itable_print_set (lf *file, } lf_printf (file, "\",\n"); - lf_printf(file, "{"); + lf_printf (file, "{"); for (elem = filter_next (set, ""); - elem != NULL; - elem = filter_next (set, elem)) + elem != NULL; elem = filter_next (set, elem)) { if (filter_is_member (members, elem)) { @@ -185,26 +241,23 @@ itable_print_set (lf *file, { lf_printf (file, " 0,"); } - + } - lf_printf(file, " },\n"); + /* always print a dummy element, to avoid empty initializers. */ + lf_printf (file, " 99 },\n"); } static void itable_c_insn (lf *file, - insn_table *isa, - insn_entry *instruction, - void *data) + insn_table *isa, insn_entry * instruction, void *data) { lf_printf (file, "{ "); lf_indent (file, +2); print_function_name (file, instruction->name, instruction->format_name, - NULL, - NULL, - function_name_prefix_itable); + NULL, NULL, function_name_prefix_itable); lf_printf (file, ",\n"); lf_printf (file, "\""); print_insn_words (file, instruction); @@ -215,32 +268,36 @@ itable_c_insn (lf *file, itable_print_set (file, isa->options, instruction->options); itable_print_set (file, isa->model->processors, instruction->processors); - lf_printf(file, "\"%s\",\n", instruction->name); - lf_printf(file, "\"%s\",\n", - filter_filename (instruction->line->file_name)); - lf_printf(file, "%d,\n", instruction->line->line_nr); - lf_printf(file, "},\n"); + lf_printf (file, "\"%s\",\n", instruction->name); + lf_printf (file, "\"%s\",\n", + filter_filename (instruction->line->file_name)); + lf_printf (file, "%d,\n", instruction->line->line_nr); + lf_printf (file, "},\n"); lf_indent (file, -2); } -extern void -gen_itable_c (lf *file, - insn_table *isa) +extern void +gen_itable_c (lf *file, insn_table *isa) { /* leader */ - lf_printf(file, "#include \"%sitable.h\"\n", options.prefix.itable.name); - lf_printf(file, "\n"); + lf_printf (file, "#include \"%sitable.h\"\n", + options.module.itable.prefix.l); + lf_printf (file, "\n"); /* FIXME - output model data??? */ /* FIXME - output assembler data??? */ + /* output the flag, option and processor name tables */ + itable_print_names (file, isa->flags, "flag"); + itable_print_names (file, isa->options, "option"); + itable_print_names (file, isa->model->processors, "processor"); + /* output the table that contains the actual instruction info */ - lf_printf(file, "%sitable_info %sitable[nr_%sitable_entries] = {\n", - options.prefix.itable.name, - options.prefix.itable.name, - options.prefix.itable.name); + lf_printf (file, "%sitable_info %sitable[nr_%sitable_entries] = {\n", + options.module.itable.prefix.l, + options.module.itable.prefix.l, options.module.itable.prefix.l); insn_table_traverse_insn (file, isa, itable_c_insn, NULL); - lf_printf(file, "};\n"); + lf_printf (file, "};\n"); }