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Commit 712f9b46 authored by Rusty Russell's avatar Rusty Russell
Browse files

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



Because there are too many modules in the world.

Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent d4ef1c30

scripts/mod/modpost.c

+30 −2
Original line number Diff line number Diff line
@@ -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;