| /* Copyright (C) 2001-2016 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 (struct IT_%s *);\n", |
| $2, it); |
| printf("extern void sysroff_swap_%s_out (FILE *, struct IT_%s *);\n", |
| $2, it); |
| printf("extern void sysroff_print_%s_out (struct IT_%s *);\n", |
| $2, it); |
| printf("struct IT_%s { \n", it); |
| break; |
| case 'i': |
| printf("void sysroff_swap_%s_in (struct IT_%s * ptr)\n",$2,it); |
| printf("{\n"); |
| printf("\tunsigned char raw[255];\n"); |
| printf("\tint idx = 0;\n"); |
| printf("\tint size;\n"); |
| printf("\tmemset(raw,0,255);\n"); |
| printf("\tmemset(ptr,0,sizeof(*ptr));\n"); |
| printf("\tsize = fillup(raw);\n"); |
| break; |
| case 'g': |
| printf("void sysroff_swap_%s_out (FILE * ffile, struct IT_%s * ptr)\n",$2,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 (bfd * abfd, struct IT_%s * ptr)\n",$2, it); |
| printf("{\n"); |
| printf("\tint idx = 0;\n"); |
| break; |
| case 'c': |
| printf("void sysroff_print_%s_out (struct IT_%s *ptr)\n",$2,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(ffile,raw, idx, IT_%s_CODE);\n", it); |
| /* Fall through. */ |
| 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); |
| /* Fall through. */ |
| 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,ffile);\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; |
| } |