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binutils-gdb/binutils/sysinfo.y
Nick Clifton 32866df75e Change sources over to using GPLv3
2007-07-05 16:54:46 +00:00

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/* Copyright 2001, 2003, 2005, 2007 Free Software Foundation, Inc.
Written by Steve Chamberlain of Cygnus Support (steve@cygnus.com).
This file is part of GNU binutils.
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, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
%{
#include <stdio.h>
#include <stdlib.h>
static char writecode;
static char *it;
static int code;
static char * repeat;
static char *oldrepeat;
static char *name;
static int rdepth;
static char *names[] = {" ","[n]","[n][m]"};
static char *pnames[]= {"","*","**"};
static int yyerror (char *s);
extern int yylex (void);
%}
%union {
int i;
char *s;
}
%token COND
%token REPEAT
%token '(' ')'
%token <s> TYPE
%token <s> NAME
%token <i> NUMBER UNIT
%type <i> attr_size
%type <s> attr_desc attr_id attr_type
%%
top: {
switch (writecode)
{
case 'i':
printf("#ifdef SYSROFF_SWAP_IN\n");
break;
case 'p':
printf("#ifdef SYSROFF_p\n");
break;
case 'd':
break;
case 'g':
printf("#ifdef SYSROFF_SWAP_OUT\n");
break;
case 'c':
printf("#ifdef SYSROFF_PRINT\n");
printf("#include <stdio.h>\n");
printf("#include <stdlib.h>\n");
printf("#include <ansidecl.h>\n");
break;
}
}
it_list {
switch (writecode) {
case 'i':
case 'p':
case 'g':
case 'c':
printf("#endif\n");
break;
case 'd':
break;
}
}
;
it_list: it it_list
|
;
it:
'(' NAME NUMBER
{
it = $2; code = $3;
switch (writecode)
{
case 'd':
printf("\n\n\n#define IT_%s_CODE 0x%x\n", it,code);
printf("struct IT_%s;\n", it);
printf("extern void sysroff_swap_%s_in PARAMS ((struct IT_%s *));\n",
$2, it);
printf("extern void sysroff_swap_%s_out PARAMS ((FILE *, struct IT_%s *));\n",
$2, it);
printf("extern void sysroff_print_%s_out PARAMS ((struct IT_%s *));\n",
$2, it);
printf("struct IT_%s { \n", it);
break;
case 'i':
printf("void sysroff_swap_%s_in(ptr)\n",$2);
printf("struct IT_%s *ptr;\n", it);
printf("{\n");
printf("unsigned char raw[255];\n");
printf("\tint idx = 0 ;\n");
printf("\tint size;\n");
printf("memset(raw,0,255);\n");
printf("memset(ptr,0,sizeof(*ptr));\n");
printf("size = fillup(raw);\n");
break;
case 'g':
printf("void sysroff_swap_%s_out(file,ptr)\n",$2);
printf("FILE * file;\n");
printf("struct IT_%s *ptr;\n", it);
printf("{\n");
printf("\tunsigned char raw[255];\n");
printf("\tint idx = 16 ;\n");
printf("\tmemset (raw, 0, 255);\n");
printf("\tcode = IT_%s_CODE;\n", it);
break;
case 'o':
printf("void sysroff_swap_%s_out(abfd,ptr)\n",$2);
printf("bfd * abfd;\n");
printf("struct IT_%s *ptr;\n",it);
printf("{\n");
printf("int idx = 0 ;\n");
break;
case 'c':
printf("void sysroff_print_%s_out(ptr)\n",$2);
printf("struct IT_%s *ptr;\n", it);
printf("{\n");
printf("itheader(\"%s\", IT_%s_CODE);\n",$2,$2);
break;
case 't':
break;
}
}
it_field_list
')'
{
switch (writecode) {
case 'd':
printf("};\n");
break;
case 'g':
printf("\tchecksum(file,raw, idx, IT_%s_CODE);\n", it);
case 'i':
case 'o':
case 'c':
printf("}\n");
}
}
;
it_field_list:
it_field it_field_list
| cond_it_field it_field_list
| repeat_it_field it_field_list
|
;
repeat_it_field: '(' REPEAT NAME
{
rdepth++;
switch (writecode)
{
case 'c':
if (rdepth==1)
printf("\tprintf(\"repeat %%d\\n\", %s);\n",$3);
if (rdepth==2)
printf("\tprintf(\"repeat %%d\\n\", %s[n]);\n",$3);
case 'i':
case 'g':
case 'o':
if (rdepth==1)
{
printf("\t{ int n; for (n = 0; n < %s; n++) {\n", $3);
}
if (rdepth == 2) {
printf("\t{ int m; for (m = 0; m < %s[n]; m++) {\n", $3);
}
break;
}
oldrepeat = repeat;
repeat = $3;
}
it_field_list ')'
{
repeat = oldrepeat;
oldrepeat =0;
rdepth--;
switch (writecode)
{
case 'i':
case 'g':
case 'o':
case 'c':
printf("\t}}\n");
}
}
;
cond_it_field: '(' COND NAME
{
switch (writecode)
{
case 'i':
case 'g':
case 'o':
case 'c':
printf("\tif (%s) {\n", $3);
break;
}
}
it_field_list ')'
{
switch (writecode)
{
case 'i':
case 'g':
case 'o':
case 'c':
printf("\t}\n");
}
}
;
it_field:
'(' attr_desc '(' attr_type attr_size ')' attr_id
{name = $7; }
enums ')'
{
char *desc = $2;
char *type = $4;
int size = $5;
char *id = $7;
char *p = names[rdepth];
char *ptr = pnames[rdepth];
switch (writecode)
{
case 'g':
if (size % 8)
{
printf("\twriteBITS(ptr->%s%s,raw,&idx,%d);\n",
id,
names[rdepth], size);
}
else {
printf("\twrite%s(ptr->%s%s,raw,&idx,%d,file);\n",
type,
id,
names[rdepth],size/8);
}
break;
case 'i':
{
if (rdepth >= 1)
{
printf("if (!ptr->%s) ptr->%s = (%s*)xcalloc(%s, sizeof(ptr->%s[0]));\n",
id,
id,
type,
repeat,
id);
}
if (rdepth == 2)
{
printf("if (!ptr->%s[n]) ptr->%s[n] = (%s**)xcalloc(%s[n], sizeof(ptr->%s[n][0]));\n",
id,
id,
type,
repeat,
id);
}
}
if (size % 8)
{
printf("\tptr->%s%s = getBITS(raw,&idx, %d,size);\n",
id,
names[rdepth],
size);
}
else {
printf("\tptr->%s%s = get%s(raw,&idx, %d,size);\n",
id,
names[rdepth],
type,
size/8);
}
break;
case 'o':
printf("\tput%s(raw,%d,%d,&idx,ptr->%s%s);\n", type,size/8,size%8,id,names[rdepth]);
break;
case 'd':
if (repeat)
printf("\t/* repeat %s */\n", repeat);
if (type[0] == 'I') {
printf("\tint %s%s; \t/* %s */\n",ptr,id, desc);
}
else if (type[0] =='C') {
printf("\tchar %s*%s;\t /* %s */\n",ptr,id, desc);
}
else {
printf("\tbarray %s%s;\t /* %s */\n",ptr,id, desc);
}
break;
case 'c':
printf("tabout();\n");
printf("\tprintf(\"/*%-30s*/ ptr->%s = \");\n", desc, id);
if (type[0] == 'I')
printf("\tprintf(\"%%d\\n\",ptr->%s%s);\n", id,p);
else if (type[0] == 'C')
printf("\tprintf(\"%%s\\n\",ptr->%s%s);\n", id,p);
else if (type[0] == 'B')
{
printf("\tpbarray(&ptr->%s%s);\n", id,p);
}
else abort();
break;
}
}
;
attr_type:
TYPE { $$ = $1; }
| { $$ = "INT";}
;
attr_desc:
'(' NAME ')'
{ $$ = $2; }
;
attr_size:
NUMBER UNIT
{ $$ = $1 * $2; }
;
attr_id:
'(' NAME ')' { $$ = $2; }
| { $$ = "dummy";}
;
enums:
| '(' enum_list ')' ;
enum_list:
|
enum_list '(' NAME NAME ')' {
switch (writecode)
{
case 'd':
printf("#define %s %s\n", $3,$4);
break;
case 'c':
printf("if (ptr->%s%s == %s) { tabout(); printf(\"%s\\n\");}\n", name, names[rdepth],$4,$3);
}
}
;
%%
/* four modes
-d write structure definitions for sysroff in host format
-i write functions to swap into sysroff format in
-o write functions to swap into sysroff format out
-c write code to print info in human form */
int yydebug;
int
main (int ac, char **av)
{
yydebug=0;
if (ac > 1)
writecode = av[1][1];
if (writecode == 'd')
{
printf("typedef struct { unsigned char *data; int len; } barray; \n");
printf("typedef int INT;\n");
printf("typedef char * CHARS;\n");
}
yyparse();
return 0;
}
static int
yyerror (char *s)
{
fprintf(stderr, "%s\n" , s);
return 0;
}
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