darling-gdb/sim/ppc/gen-support.c
1996-07-23 15:42:42 +00:00

129 lines
3.4 KiB
C

/* This file is part of the program psim.
Copyright (C) 1994-1995, 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.
*/
#include "misc.h"
#include "lf.h"
#include "table.h"
#include "filter.h"
#include "ld-decode.h"
#include "ld-cache.h"
#include "ld-insn.h"
#include "igen.h"
#include "gen-semantics.h"
#include "gen-support.h"
static void
print_support_function_name(lf *file,
table_entry *function,
int is_function_definition)
{
if (it_is("internal", function->fields[insn_flags])) {
lf_print_function_type(file, 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(%s)", SEMANTIC_FUNCTION_FORMAL);
if (!is_function_definition)
lf_printf(file, ";");
lf_printf(file, "\n");
}
else {
lf_print_function_type(file,
function->fields[function_type],
"INLINE_SUPPORT",
(is_function_definition ? "\n" : " "));
lf_printf(file, "%s\n(%s)%s",
function->fields[function_name],
function->fields[function_param],
(is_function_definition ? "\n" : ";\n"));
}
}
static void
support_h_function(insn_table *entry,
lf *file,
void *data,
table_entry *function)
{
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");
}
extern void
gen_support_h(insn_table *table,
lf *file)
{
/* output a declaration for all functions */
insn_table_traverse_function(table,
file, NULL,
support_h_function);
}
static void
support_c_function(insn_table *table,
lf *file,
void *data,
table_entry *function)
{
ASSERT(function->fields[function_type] != NULL);
print_support_function_name(file,
function,
1/*!is_definition*/);
table_entry_print_cpp_line_nr(file, function);
lf_printf(file, "{\n");
lf_indent(file, +2);
lf_print__c_code(file, function->annex);
if (it_is("internal", function->fields[insn_flags])) {
lf_printf(file, "error(\"Internal function must longjump\\n\");\n");
lf_printf(file, "return 0;\n");
}
lf_indent(file, -2);
lf_printf(file, "}\n");
lf_print__internal_reference(file);
lf_printf(file, "\n");
}
void
gen_support_c(insn_table *table,
lf *file)
{
lf_printf(file, "#include \"cpu.h\"\n");
lf_printf(file, "#include \"idecode.h\"\n");
lf_printf(file, "#include \"support.h\"\n");
lf_printf(file, "\n");
/* output a definition (c-code) for all functions */
insn_table_traverse_function(table,
file, NULL,
support_c_function);
}