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authorRusty Russell <rusty@rustcorp.com.au>2013-04-04 17:37:38 +1030
committerRusty Russell <rusty@rustcorp.com.au>2013-04-05 11:48:08 +1030
commit712f9b46843d941347e86dcd2e1d63f9d3b112cb (patch)
tree1d92f1af1215492e8d6e4855e3cdbad1d6d5eb35
parentd4ef1c30e89ce8e7f1030501d74b6b812c3c179d (diff)
modpost: add -T option to read module names from file/stdin.
Because there are too many modules in the world. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
-rw-r--r--scripts/mod/modpost.c32
1 files changed, 30 insertions, 2 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index f7a0392ad1ca..1f90961ada77 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -15,6 +15,7 @@
#include <stdio.h>
#include <ctype.h>
#include <string.h>
+#include <limits.h>
#include <stdbool.h>
#include "modpost.h"
#include "../../include/generated/autoconf.h"
@@ -1763,6 +1764,27 @@ static void read_symbols(char *modname)
mod->unres = alloc_symbol("module_layout", 0, mod->unres);
}
+static void read_symbols_from_files(const char *filename)
+{
+ FILE *in = stdin;
+ char fname[PATH_MAX];
+
+ if (strcmp(filename, "-") != 0) {
+ in = fopen(filename, "r");
+ if (!in)
+ fatal("Can't open filenames file %s: %m", filename);
+ }
+
+ while (fgets(fname, PATH_MAX, in) != NULL) {
+ if (strends(fname, "\n"))
+ fname[strlen(fname)-1] = '\0';
+ read_symbols(fname);
+ }
+
+ if (in != stdin)
+ fclose(in);
+}
+
#define SZ 500
/* We first write the generated file into memory using the
@@ -2124,13 +2146,13 @@ int main(int argc, char **argv)
struct module *mod;
struct buffer buf = { };
char *kernel_read = NULL, *module_read = NULL;
- char *dump_write = NULL;
+ char *dump_write = NULL, *files_source = NULL;
int opt;
int err;
struct ext_sym_list *extsym_iter;
struct ext_sym_list *extsym_start = NULL;
- while ((opt = getopt(argc, argv, "i:I:e:msSo:awM:K:")) != -1) {
+ while ((opt = getopt(argc, argv, "i:I:e:msST:o:awM:K:")) != -1) {
switch (opt) {
case 'i':
kernel_read = optarg;
@@ -2162,6 +2184,9 @@ int main(int argc, char **argv)
case 'S':
sec_mismatch_verbose = 0;
break;
+ case 'T':
+ files_source = optarg;
+ break;
case 'w':
warn_unresolved = 1;
break;
@@ -2184,6 +2209,9 @@ int main(int argc, char **argv)
while (optind < argc)
read_symbols(argv[optind++]);
+ if (files_source)
+ read_symbols_from_files(files_source);
+
for (mod = modules; mod; mod = mod->next) {
if (mod->skip)
continue;