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authorRichard Henderson <rth@redhat.com>1999-05-03 07:29:11 +0000
committerRichard Henderson <rth@redhat.com>1999-05-03 07:29:11 +0000
commit252b5132c753830d5fd56823373aed85f2a0db63 (patch)
tree1af963bfd8d3e55167b81def4207f175eaff3a56 /binutils/sysinfo.y
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19990502 sourceware importbinu_ss_19990502
Diffstat (limited to 'binutils/sysinfo.y')
-rw-r--r--binutils/sysinfo.y415
1 files changed, 415 insertions, 0 deletions
diff --git a/binutils/sysinfo.y b/binutils/sysinfo.y
new file mode 100644
index 0000000..0aa8737
--- /dev/null
+++ b/binutils/sysinfo.y
@@ -0,0 +1,415 @@
+%{
+#include <stdio.h>
+#include <stdlib.h>
+
+extern char *word;
+extern char writecode;
+extern int number;
+extern int unit;
+char nice_name[1000];
+char *it;
+int sofar;
+int width;
+int code;
+char * repeat;
+char *oldrepeat;
+char *name;
+int rdepth;
+char *loop [] = {"","n","m","/*BAD*/"};
+char *names[] = {" ","[n]","[n][m]"};
+char *pnames[]= {"","*","**"};
+%}
+
+
+%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");
+ 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);
+ break;
+ case 'i':
+ printf("void sysroff_swap_%s_in(ptr)\n",$2);
+ printf("struct IT_%s *ptr;\n", it);
+ printf("{\n");
+ printf("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("\tchar 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 defintions 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;
+char writecode;
+
+int
+main(ac,av)
+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;
+}
+
+int
+yyerror(s)
+ char *s;
+{
+ fprintf(stderr, "%s\n" , s);
+ return 0;
+}