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modpost: add -T option to read module names from file/stdin.

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Because there are too many modules in the world.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2013-04-04 17:37:38 +10:30
parent d4ef1c30e8
commit 712f9b4684
1 changed files with 30 additions and 2 deletions
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32
scripts/mod/modpost.c
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@ -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;