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Commit ce560686 authored by Sam Ravnborg's avatar Sam Ravnborg
Browse files

kbuild: clean-up genksyms 



o remove all inlines
o declare everything static which is only used by genksyms.c
o delete unused functions
o delete unused variables
o delete unused stuff in genksyms.h
o properly ident genksyms.h

Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
parent 78c04153

scripts/genksyms/genksyms.c

+26 −54
Original line number Diff line number Diff line
@@ -37,14 +37,14 @@ 
#define HASH_BUCKETS  4096



static struct symbol *symtab[HASH_BUCKETS];

FILE *debugfile;

static FILE *debugfile;



int cur_line = 1;

char *cur_filename, *output_directory;

char *cur_filename;



int flag_debug, flag_dump_defs, flag_warnings;

const char *arch = "";

const char *mod_prefix = "";

static int flag_debug, flag_dump_defs, flag_warnings;

static const char *arch = "";

static const char *mod_prefix = "";



static int errors;

static int nsyms;
@@ -55,6 +55,9 @@ static const char *const symbol_type_name[] = { 
	"normal", "typedef", "enum", "struct", "union"

};



static int equal_list(struct string_list *a, struct string_list *b);

static void print_list(FILE * f, struct string_list *list);



/*----------------------------------------------------------------------*/



static const unsigned int crctab32[] = {
@@ -112,27 +115,26 @@ static const unsigned int crctab32[] = { 
	0x2d02ef8dU

};



static inline unsigned long

partial_crc32_one(unsigned char c, unsigned long crc)

static unsigned long partial_crc32_one(unsigned char c, unsigned long crc)

{

	return crctab32[(crc ^ c) & 0xff] ^ (crc >> 8);

}



static inline unsigned long partial_crc32(const char *s, unsigned long crc)

static unsigned long partial_crc32(const char *s, unsigned long crc)

{

	while (*s)

		crc = partial_crc32_one(*s++, crc);

	return crc;

}



static inline unsigned long crc32(const char *s)

static unsigned long crc32(const char *s)

{

	return partial_crc32(s, 0xffffffff) ^ 0xffffffff;

}



/*----------------------------------------------------------------------*/



static inline enum symbol_type map_to_ns(enum symbol_type t)

static enum symbol_type map_to_ns(enum symbol_type t)

{

	if (t == SYM_TYPEDEF)

		t = SYM_NORMAL;
@@ -147,8 +149,8 @@ struct symbol *find_symbol(const char *name, enum symbol_type ns) 
	struct symbol *sym;



	for (sym = symtab[h]; sym; sym = sym->hash_next)

		if (map_to_ns(sym->type) == map_to_ns(ns)

		    && strcmp(name, sym->name) == 0)

		if (map_to_ns(sym->type) == map_to_ns(ns) &&

		    strcmp(name, sym->name) == 0)

			break;



	return sym;
@@ -160,13 +162,14 @@ struct symbol *add_symbol(const char *name, enum symbol_type type, 
	unsigned long h = crc32(name) % HASH_BUCKETS;

	struct symbol *sym;



	for (sym = symtab[h]; sym; sym = sym->hash_next)

	for (sym = symtab[h]; sym; sym = sym->hash_next) {

		if (map_to_ns(sym->type) == map_to_ns(type)

		    && strcmp(name, sym->name) == 0) {

			if (!equal_list(sym->defn, defn))

				error_with_pos("redefinition of %s", name);

			return sym;

		}

	}



	sym = xmalloc(sizeof(*sym));

	sym->name = name;
@@ -193,7 +196,7 @@ struct symbol *add_symbol(const char *name, enum symbol_type type, 


/*----------------------------------------------------------------------*/



inline void free_node(struct string_list *node)

void free_node(struct string_list *node)

{

	free(node->string);

	free(node);
@@ -208,7 +211,7 @@ void free_list(struct string_list *s, struct string_list *e) 
	}

}



inline struct string_list *copy_node(struct string_list *node)

struct string_list *copy_node(struct string_list *node)

{

	struct string_list *newnode;
@@ -219,22 +222,7 @@ inline struct string_list *copy_node(struct string_list *node) 
	return newnode;

}



struct string_list *copy_list(struct string_list *s, struct string_list *e)

{

	struct string_list *h, *p;



	if (s == e)

		return NULL;



	p = h = copy_node(s);

	while ((s = s->next) != e)

		p = p->next = copy_node(s);

	p->next = NULL;



	return h;

}



int equal_list(struct string_list *a, struct string_list *b)

static int equal_list(struct string_list *a, struct string_list *b)

{

	while (a && b) {

		if (a->tag != b->tag || strcmp(a->string, b->string))
@@ -246,7 +234,7 @@ int equal_list(struct string_list *a, struct string_list *b) 
	return !a && !b;

}



static inline void print_node(FILE * f, struct string_list *list)

static void print_node(FILE * f, struct string_list *list)

{

	switch (list->tag) {

	case SYM_STRUCT:
@@ -270,7 +258,7 @@ static inline void print_node(FILE * f, struct string_list *list) 
	}

}



void print_list(FILE * f, struct string_list *list)

static void print_list(FILE * f, struct string_list *list)

{

	struct string_list **e, **b;

	struct string_list *tmp, **tmp2;
@@ -299,8 +287,8 @@ 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_list(struct string_list *list,

					 unsigned long crc)

{

	struct string_list **e, **b;

	struct string_list *tmp, **tmp2;
@@ -386,8 +374,7 @@ expand_and_crc_list(struct string_list *list, unsigned long crc) 
						cur->string);

				}



				crc =

				    partial_crc32(symbol_type_name[cur->tag],

				crc = partial_crc32(symbol_type_name[cur->tag],

						    crc);

				crc = partial_crc32_one(' ', crc);

				crc = partial_crc32(cur->string, crc);
@@ -437,21 +424,6 @@ void export_symbol(const char *name) 
}



/*----------------------------------------------------------------------*/



void error(const char *fmt, ...)

{

	va_list args;



	if (flag_warnings) {

		va_start(args, fmt);

		vfprintf(stderr, fmt, args);

		va_end(args);

		putc('\n', stderr);



		errors++;

	}

}



void error_with_pos(const char *fmt, ...)

{

	va_list args;
@@ -469,7 +441,7 @@ void error_with_pos(const char *fmt, ...) 
	}

}



void genksyms_usage(void)

static void genksyms_usage(void)

{

	fputs("Usage:\n" "genksyms [-dDwqhV] > /path/to/.tmp_obj.ver\n" "\n"

#ifdef __GNU_LIBRARY__

scripts/genksyms/genksyms.h

+17 −40
Original line number Diff line number Diff line
@@ -20,27 +20,22 @@ 
   along with this program; if not, write to the Free Software Foundation,

   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */





#ifndef MODUTILS_GENKSYMS_H

#define MODUTILS_GENKSYMS_H 1



#include <stdio.h>





enum symbol_type

{

enum symbol_type {

	SYM_NORMAL, SYM_TYPEDEF, SYM_ENUM, SYM_STRUCT, SYM_UNION

};



struct string_list

{

struct string_list {

	struct string_list *next;

	enum symbol_type tag;

	char *string;

};



struct symbol

{

struct symbol {

	struct symbol *hash_next;

	const char *name;

	enum symbol_type type;
@@ -52,42 +47,24 @@ struct symbol 
typedef struct string_list **yystype;

#define YYSTYPE yystype



extern FILE *outfile, *debugfile;



extern int cur_line;

extern char *cur_filename, *output_directory;



extern int flag_debug, flag_dump_defs, flag_warnings;

extern int checksum_version, kernel_version;



extern int want_brace_phrase, want_exp_phrase, discard_phrase_contents;

extern struct string_list *current_list, *next_list;



extern char *cur_filename;



struct symbol *find_symbol(const char *name, enum symbol_type ns);

struct symbol *add_symbol(const char *name, enum symbol_type type,

			  struct string_list *defn, int is_extern);

void export_symbol(const char *);



struct string_list *reset_list(void);

void free_list(struct string_list *s, struct string_list *e);

void free_node(struct string_list *list);

void free_list(struct string_list *s, struct string_list *e);

struct string_list *copy_node(struct string_list *);

struct string_list *copy_list(struct string_list *s, struct string_list *e);

int equal_list(struct string_list *a, struct string_list *b);

void print_list(FILE *, struct string_list *list);



int yylex(void);

int yyparse(void);



void error_with_pos(const char *, ...);



#define version(a,b,c)  ((a << 16) | (b << 8) | (c))



/*----------------------------------------------------------------------*/



#define MODUTILS_VERSION "<in-kernel>"



#define xmalloc(size) ({ void *__ptr = malloc(size);		\

	if(!__ptr && size != 0) {				\

		fprintf(stderr, "out of memory\n");		\