aboutsummaryrefslogtreecommitdiff
path: root/scripts
diff options
context:
space:
mode:
authorMichal Marek <mmarek@suse.cz>2011-10-08 01:18:35 +0200
committerMichal Marek <mmarek@suse.cz>2011-10-11 12:00:39 +0200
commit2c5925d6b7fedc8f1c325f4f85451f505ec69aca (patch)
tree4b27c58e2487842385e9a736331d97a3c3a9afee /scripts
parentb06fcd6c83c231f51a86448bb33c4cd717fefee8 (diff)
downloadlinux-linaro-stable-2c5925d6b7fedc8f1c325f4f85451f505ec69aca.tar.gz
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.
Diffstat (limited to 'scripts')
-rw-r--r--scripts/genksyms/genksyms.c3
-rw-r--r--scripts/genksyms/genksyms.h4
-rw-r--r--scripts/genksyms/lex.l8
-rw-r--r--scripts/genksyms/parse.y7
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);