diff options
author | Michal Marek <mmarek@suse.cz> | 2011-10-08 03:18:35 +0400 |
---|---|---|
committer | Michal Marek <mmarek@suse.cz> | 2011-10-11 14:00:39 +0400 |
commit | 2c5925d6b7fedc8f1c325f4f85451f505ec69aca (patch) | |
tree | 4b27c58e2487842385e9a736331d97a3c3a9afee | |
parent | b06fcd6c83c231f51a86448bb33c4cd717fefee8 (diff) |
genksyms: Do not expand internal types
Consider structures, unions and enums defined in the source file as
internal and do not expand them. This way, changes to e.g. struct
serial_private in drivers/tty/serial/8250_pci.c will not affect the
checksum of the pciserial_* exports.
-rw-r--r-- | scripts/genksyms/genksyms.c | 3 | ||||
-rw-r--r-- | scripts/genksyms/genksyms.h | 4 | ||||
-rw-r--r-- | scripts/genksyms/lex.l | 8 | ||||
-rw-r--r-- | scripts/genksyms/parse.y | 7 |
4 files changed, 20 insertions, 2 deletions
diff --git a/scripts/genksyms/genksyms.c b/scripts/genksyms/genksyms.c index 6d3fda0ce2ae..8a106499ec4f 100644 --- a/scripts/genksyms/genksyms.c +++ b/scripts/genksyms/genksyms.c @@ -40,7 +40,8 @@ static struct symbol *symtab[HASH_BUCKETS]; static FILE *debugfile; int cur_line = 1; -char *cur_filename; +char *cur_filename, *source_file; +int in_source_file; static int flag_debug, flag_dump_defs, flag_reference, flag_dump_types, flag_preserve, flag_warnings; diff --git a/scripts/genksyms/genksyms.h b/scripts/genksyms/genksyms.h index 7ec52ae3846a..3bffdcaaa274 100644 --- a/scripts/genksyms/genksyms.h +++ b/scripts/genksyms/genksyms.h @@ -37,6 +37,7 @@ enum symbol_status { struct string_list { struct string_list *next; enum symbol_type tag; + int in_source_file; char *string; }; @@ -57,7 +58,8 @@ typedef struct string_list **yystype; #define YYSTYPE yystype extern int cur_line; -extern char *cur_filename; +extern char *cur_filename, *source_file; +extern int in_source_file; struct symbol *find_symbol(const char *name, enum symbol_type ns, int exact); struct symbol *add_symbol(const char *name, enum symbol_type type, diff --git a/scripts/genksyms/lex.l b/scripts/genksyms/lex.l index 400ae06a70df..f770071719cb 100644 --- a/scripts/genksyms/lex.l +++ b/scripts/genksyms/lex.l @@ -116,6 +116,7 @@ MC_TOKEN ([~%^&*+=|<>/-]=)|(&&)|("||")|(->)|(<<)|(>>) cur_node->tag = \ find_symbol(cur_node->string, SYM_ENUM_CONST, 1)?\ SYM_ENUM_CONST : SYM_NORMAL ; \ + cur_node->in_source_file = in_source_file; \ } while (0) #define APP _APP(yytext, yyleng) @@ -166,6 +167,13 @@ repeat: cur_filename = memcpy(xmalloc(e-file+1), file, e-file+1); cur_line = atoi(yytext+2); + if (!source_file) { + source_file = xstrdup(cur_filename); + in_source_file = 1; + } else { + in_source_file = (strcmp(cur_filename, source_file) == 0); + } + goto repeat; } diff --git a/scripts/genksyms/parse.y b/scripts/genksyms/parse.y index a783ad4e2b51..23c39998ad86 100644 --- a/scripts/genksyms/parse.y +++ b/scripts/genksyms/parse.y @@ -58,6 +58,13 @@ static void record_compound(struct string_list **keyw, enum symbol_type type) { struct string_list *b = *body, *i = *ident, *r; + + if (i->in_source_file) { + remove_node(keyw); + (*ident)->tag = type; + remove_list(body, ident); + return; + } r = copy_node(i); r->tag = type; r->next = (*keyw)->next; *body = r; (*keyw)->next = NULL; add_symbol(i->string, type, b, is_extern); |