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-rw-r--r--scripts/genksyms/genksyms.c77
-rw-r--r--scripts/genksyms/genksyms.h1
-rw-r--r--scripts/genksyms/lex.c_shipped2
-rw-r--r--scripts/genksyms/lex.l2
4 files changed, 54 insertions, 28 deletions
diff --git a/scripts/genksyms/genksyms.c b/scripts/genksyms/genksyms.c
index 5b0344e..b038182 100644
--- a/scripts/genksyms/genksyms.c
+++ b/scripts/genksyms/genksyms.c
@@ -42,7 +42,7 @@ static FILE *debugfile;
int cur_line = 1;
char *cur_filename;
-static int flag_debug, flag_dump_defs, flag_warnings;
+static int flag_debug, flag_dump_defs, flag_dump_types, flag_warnings;
static const char *arch = "";
static const char *mod_prefix = "";
@@ -50,6 +50,7 @@ static int errors;
static int nsyms;
static struct symbol *expansion_trail;
+static struct symbol *visited_symbols;
static const char *const symbol_type_name[] = {
"normal", "typedef", "enum", "struct", "union"
@@ -176,6 +177,7 @@ struct symbol *add_symbol(const char *name, enum symbol_type type,
sym->type = type;
sym->defn = defn;
sym->expansion_trail = NULL;
+ sym->visited = NULL;
sym->is_extern = is_extern;
sym->hash_next = symtab[h];
@@ -236,26 +238,11 @@ static int equal_list(struct string_list *a, struct string_list *b)
static void print_node(FILE * f, struct string_list *list)
{
- switch (list->tag) {
- case SYM_STRUCT:
- putc('s', f);
- goto printit;
- case SYM_UNION:
- putc('u', f);
- goto printit;
- case SYM_ENUM:
- putc('e', f);
- goto printit;
- case SYM_TYPEDEF:
- putc('t', f);
- goto printit;
-
- printit:
+ if (list->tag != SYM_NORMAL) {
+ putc(symbol_type_name[list->tag][0], f);
putc('#', f);
- case SYM_NORMAL:
- fputs(list->string, f);
- break;
}
+ fputs(list->string, f);
}
static void print_list(FILE * f, struct string_list *list)
@@ -287,9 +274,9 @@ static void print_list(FILE * f, struct string_list *list)
}
}
-static unsigned long expand_and_crc_list(struct string_list *list,
- unsigned long crc)
+static unsigned long expand_and_crc_sym(struct symbol *sym, unsigned long crc)
{
+ struct string_list *list = sym->defn;
struct string_list **e, **b;
struct string_list *tmp, **tmp2;
int elem = 1;
@@ -332,7 +319,7 @@ static unsigned long expand_and_crc_list(struct string_list *list,
} else {
subsym->expansion_trail = expansion_trail;
expansion_trail = subsym;
- crc = expand_and_crc_list(subsym->defn, crc);
+ crc = expand_and_crc_sym(subsym, crc);
}
break;
@@ -382,12 +369,22 @@ static unsigned long expand_and_crc_list(struct string_list *list,
} else {
subsym->expansion_trail = expansion_trail;
expansion_trail = subsym;
- crc = expand_and_crc_list(subsym->defn, crc);
+ crc = expand_and_crc_sym(subsym, crc);
}
break;
}
}
+ {
+ static struct symbol **end = &visited_symbols;
+
+ if (!sym->visited) {
+ *end = sym;
+ end = &sym->visited;
+ sym->visited = (struct symbol *)-1L;
+ }
+ }
+
return crc;
}
@@ -406,7 +403,7 @@ void export_symbol(const char *name)
expansion_trail = (struct symbol *)-1L;
- crc = expand_and_crc_list(sym->defn, 0xffffffff) ^ 0xffffffff;
+ crc = expand_and_crc_sym(sym, 0xffffffff) ^ 0xffffffff;
sym = expansion_trail;
while (sym != (struct symbol *)-1L) {
@@ -464,6 +461,7 @@ static void genksyms_usage(void)
int main(int argc, char **argv)
{
+ FILE *dumpfile = NULL;
int o;
#ifdef __GNU_LIBRARY__
@@ -473,15 +471,16 @@ int main(int argc, char **argv)
{"warnings", 0, 0, 'w'},
{"quiet", 0, 0, 'q'},
{"dump", 0, 0, 'D'},
+ {"dump-types", 1, 0, 'T'},
{"version", 0, 0, 'V'},
{"help", 0, 0, 'h'},
{0, 0, 0, 0}
};
- while ((o = getopt_long(argc, argv, "a:dwqVDk:p:",
+ while ((o = getopt_long(argc, argv, "a:dwqVDT:k:p:",
&long_opts[0], NULL)) != EOF)
#else /* __GNU_LIBRARY__ */
- while ((o = getopt(argc, argv, "a:dwqVDk:p:")) != EOF)
+ while ((o = getopt(argc, argv, "a:dwqVDT:k:p:")) != EOF)
#endif /* __GNU_LIBRARY__ */
switch (o) {
case 'a':
@@ -502,6 +501,14 @@ int main(int argc, char **argv)
case 'D':
flag_dump_defs = 1;
break;
+ case 'T':
+ flag_dump_types = 1;
+ dumpfile = fopen(optarg, "w");
+ if (!dumpfile) {
+ perror(optarg);
+ return 1;
+ }
+ break;
case 'h':
genksyms_usage();
return 0;
@@ -524,6 +531,24 @@ int main(int argc, char **argv)
yyparse();
+ if (flag_dump_types && visited_symbols) {
+ while (visited_symbols != (struct symbol *)-1L) {
+ struct symbol *sym = visited_symbols;
+
+ if (sym->type != SYM_NORMAL) {
+ putc(symbol_type_name[sym->type][0], dumpfile);
+ putc('#', dumpfile);
+ }
+ fputs(sym->name, dumpfile);
+ putc(' ', dumpfile);
+ print_list(dumpfile, sym->defn);
+ putc('\n', dumpfile);
+
+ visited_symbols = sym->visited;
+ sym->visited = NULL;
+ }
+ }
+
if (flag_debug) {
fprintf(debugfile, "Hash table occupancy %d/%d = %g\n",
nsyms, HASH_BUCKETS,
diff --git a/scripts/genksyms/genksyms.h b/scripts/genksyms/genksyms.h
index ab6f34f..2668287 100644
--- a/scripts/genksyms/genksyms.h
+++ b/scripts/genksyms/genksyms.h
@@ -41,6 +41,7 @@ struct symbol {
enum symbol_type type;
struct string_list *defn;
struct symbol *expansion_trail;
+ struct symbol *visited;
int is_extern;
};
diff --git a/scripts/genksyms/lex.c_shipped b/scripts/genksyms/lex.c_shipped
index 1218053..37ba982 100644
--- a/scripts/genksyms/lex.c_shipped
+++ b/scripts/genksyms/lex.c_shipped
@@ -2023,7 +2023,7 @@ repeat:
break;
default:
- abort();
+ exit(1);
}
fini:
diff --git a/scripts/genksyms/lex.l b/scripts/genksyms/lex.l
index fe0dfee..5e544a0 100644
--- a/scripts/genksyms/lex.l
+++ b/scripts/genksyms/lex.l
@@ -392,7 +392,7 @@ repeat:
break;
default:
- abort();
+ exit(1);
}
fini:
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