Update modutils with 2.6 module support
diff --git a/debian/config-udeb-linux-i386 b/debian/config-udeb-linux-i386
index f440004..678a6a1 100644
--- a/debian/config-udeb-linux-i386
+++ b/debian/config-udeb-linux-i386
@@ -252,8 +252,8 @@
CONFIG_MODUTILS_OBJ=y
CONFIG_DEPMOD=y
CONFIG_INSMOD=y
-# CONFIG_FEATURE_OLD_MODULE_INTERFACE is not set
-CONFIG_FEATURE_NEW_MODULE_INTERFACE=y
+# CONFIG_FEATURE_2_2_MODULES is not set
+CONFIG_FEATURE_2_4_MODULES=y
#
# Support new (post 2.1) Linux kernels (Forced enabled)
diff --git a/modutils/Config.in b/modutils/Config.in
index 96040cd..d9f76d1 100644
--- a/modutils/Config.in
+++ b/modutils/Config.in
@@ -11,32 +11,31 @@
help
insmod is used to load specified modules in the running kernel.
-config CONFIG_FEATURE_OLD_MODULE_INTERFACE
+config CONFIG_FEATURE_2_2_MODULES
bool " Support older (pre 2.1) Linux kernels"
default n
depends on CONFIG_INSMOD
help
Provide insmod support for older (pre 2.1) Linux kernels.
-if CONFIG_INSMOD && !CONFIG_FEATURE_OLD_MODULE_INTERFACE
- config CONFIG_FEATURE_NEW_MODULE_INTERFACE
- default y
- comment " Support new (post 2.1) Linux kernels (Forced enabled)"
-endif
-
-if CONFIG_FEATURE_OLD_MODULE_INTERFACE
-config CONFIG_FEATURE_NEW_MODULE_INTERFACE
- bool " Support new (post 2.1) Linux kernels"
+config CONFIG_FEATURE_2_4_MODULES
+ bool " Support version 2.1.x to 2.4.x Linux kernels"
default y
depends on CONFIG_INSMOD
help
Support module loading for newer (post 2.1) Linux kernels.
-endif
+
+config CONFIG_FEATURE_2_6_MODULES
+ bool " Support version 2.6.x Linux kernels"
+ default n
+ depends on CONFIG_INSMOD
+ help
+ Support module loading for newer (post 2.1) Linux kernels.
config CONFIG_FEATURE_INSMOD_VERSION_CHECKING
bool " Module version checking"
default n
- depends on CONFIG_INSMOD
+ depends on CONFIG_INSMOD && ( CONFIG_FEATURE_2_2_MODULES || CONFIG_FEATURE_2_4_MODULES )
help
Support checking of versions for modules. This is used to
ensure that the kernel and module are made for each other.
@@ -44,7 +43,7 @@
config CONFIG_FEATURE_INSMOD_KSYMOOPS_SYMBOLS
bool " Add module symbols to kernel symbol table"
default n
- depends on CONFIG_INSMOD
+ depends on CONFIG_INSMOD && ( CONFIG_FEATURE_2_2_MODULES || CONFIG_FEATURE_2_4_MODULES )
help
By adding module symbols to the kernel symbol table, Oops messages
occuring within kernel modules can be properly debugged. By enabling
@@ -55,7 +54,7 @@
config CONFIG_FEATURE_INSMOD_LOADINKMEM
bool " In kernel memory optimization (uClinux only)"
default n
- depends on CONFIG_INSMOD
+ depends on CONFIG_INSMOD && ( CONFIG_FEATURE_2_2_MODULES || CONFIG_FEATURE_2_4_MODULES )
help
This is a special uClinux only memory optimization that lets insmod
load the specified kernel module directly into kernel space, reducing
@@ -65,7 +64,7 @@
config CONFIG_FEATURE_INSMOD_LOAD_MAP
bool " Enable load map (-m) option"
default n
- depends on CONFIG_INSMOD
+ depends on CONFIG_INSMOD && ( CONFIG_FEATURE_2_2_MODULES || CONFIG_FEATURE_2_4_MODULES )
help
Enabling this, one would be able to get a load map
output on stdout. This makes kernel module debugging
@@ -79,9 +78,8 @@
depends on CONFIG_FEATURE_INSMOD_LOAD_MAP
help
Without this option, -m will only output section
- load map.
- With this option, -m will also output symbols
- load map.
+ load map. With this option, -m will also output
+ symbols load map.
config CONFIG_LSMOD
bool "lsmod"
@@ -92,7 +90,7 @@
config CONFIG_FEATURE_QUERY_MODULE_INTERFACE
bool " Support lsmod query_module interface (add 638 bytes)"
default y
- depends on CONFIG_LSMOD && CONFIG_FEATURE_NEW_MODULE_INTERFACE
+ depends on CONFIG_LSMOD && ( CONFIG_FEATURE_2_4_MODULES || CONFIG_FEATURE_2_6_MODULES )
help
This will provide some extra information about each module when
running lsmod. The fields provided are address, size, flags and
diff --git a/modutils/insmod.c b/modutils/insmod.c
index e2ca641..979c41f 100644
--- a/modutils/insmod.c
+++ b/modutils/insmod.c
@@ -80,8 +80,24 @@
#include <sys/utsname.h>
#include "busybox.h"
-#ifdef CONFIG_FEATURE_NEW_MODULE_INTERFACE
-# undef CONFIG_FEATURE_OLD_MODULE_INTERFACE
+#if !defined(CONFIG_FEATURE_2_4_MODULES) && \
+ !defined(CONFIG_FEATURE_2_2_MODULES) && \
+ !defined(CONFIG_FEATURE_2_6_MODULES)
+#define CONFIG_FEATURE_2_4_MODULES
+#endif
+
+#if !defined(CONFIG_FEATURE_2_4_MODULES) && !defined(CONFIG_FEATURE_2_2_MODULES)
+#define insmod_ng_main insmod_main
+#endif
+
+#if defined(CONFIG_FEATURE_2_4_MODULES) || defined(CONFIG_FEATURE_2_2_MODULES)
+
+#if defined(CONFIG_FEATURE_2_6_MODULES)
+extern int insmod_ng_main( int argc, char **argv);
+#endif
+
+#ifdef CONFIG_FEATURE_2_4_MODULES
+# undef CONFIG_FEATURE_2_2_MODULES
# define new_sys_init_module init_module
#else
# define old_sys_init_module init_module
@@ -266,7 +282,7 @@
#ifndef MODUTILS_MODULE_H
static const int MODUTILS_MODULE_H = 1;
-#ident "$Id: insmod.c,v 1.106 2003/12/04 15:02:57 mjn3 Exp $"
+#ident "$Id: insmod.c,v 1.107 2003/12/11 01:42:13 andersen Exp $"
/* This file contains the structures used by the 2.0 and 2.1 kernels.
We do not use the kernel headers directly because we do not wish
@@ -399,7 +415,7 @@
unsigned tgt_long persist_end;
unsigned tgt_long can_unload;
unsigned tgt_long runsize;
-#ifdef CONFIG_FEATURE_NEW_MODULE_INTERFACE
+#ifdef CONFIG_FEATURE_2_4_MODULES
const char *kallsyms_start; /* All symbols for kernel debugging */
const char *kallsyms_end;
const char *archdata_start; /* arch specific data for module */
@@ -487,7 +503,7 @@
#ifndef MODUTILS_OBJ_H
static const int MODUTILS_OBJ_H = 1;
-#ident "$Id: insmod.c,v 1.106 2003/12/04 15:02:57 mjn3 Exp $"
+#ident "$Id: insmod.c,v 1.107 2003/12/11 01:42:13 andersen Exp $"
/* The relocatable object is manipulated using elfin types. */
@@ -630,7 +646,7 @@
static int obj_string_patch(struct obj_file *f, int secidx, ElfW(Addr) offset,
const char *string);
-#ifdef CONFIG_FEATURE_NEW_MODULE_INTERFACE
+#ifdef CONFIG_FEATURE_2_4_MODULES
static int obj_symbol_patch(struct obj_file *f, int secidx, ElfW(Addr) offset,
struct obj_symbol *sym);
#endif
@@ -665,7 +681,7 @@
static int obj_gpl_license(struct obj_file *f, const char **license);
-#ifdef CONFIG_FEATURE_NEW_MODULE_INTERFACE
+#ifdef CONFIG_FEATURE_2_4_MODULES
static int arch_init_module (struct obj_file *f, struct new_module *);
#endif
@@ -1626,7 +1642,7 @@
#endif /* defined(CONFIG_USE_GOT_ENTRIES) || defined(CONFIG_USE_PLT_ENTRIES) */
}
-#ifdef CONFIG_FEATURE_NEW_MODULE_INTERFACE
+#ifdef CONFIG_FEATURE_2_4_MODULES
static int arch_init_module(struct obj_file *f, struct new_module *mod)
{
return 1;
@@ -2224,7 +2240,7 @@
#endif /* CONFIG_FEATURE_INSMOD_VERSION_CHECKING */
-#ifdef CONFIG_FEATURE_OLD_MODULE_INTERFACE
+#ifdef CONFIG_FEATURE_2_2_MODULES
/* Fetch all the symbols and divvy them up as appropriate for the modules. */
@@ -2434,7 +2450,7 @@
#define old_create_mod_use_count(x) TRUE
#define old_init_module(x, y, z) TRUE
-#endif /* CONFIG_FEATURE_OLD_MODULE_INTERFACE */
+#endif /* CONFIG_FEATURE_2_2_MODULES */
@@ -2720,7 +2736,7 @@
#endif /* CONFIG_FEATURE_INSMOD_VERSION_CHECKING */
-#ifdef CONFIG_FEATURE_NEW_MODULE_INTERFACE
+#ifdef CONFIG_FEATURE_2_4_MODULES
/* Fetch the loaded modules, and all currently exported symbols. */
@@ -3041,7 +3057,7 @@
#define new_create_module_ksymtab(x)
#define query_module(v, w, x, y, z) -1
-#endif /* CONFIG_FEATURE_NEW_MODULE_INTERFACE */
+#endif /* CONFIG_FEATURE_2_4_MODULES */
/*======================================================================*/
@@ -3075,7 +3091,7 @@
return 1;
}
-#ifdef CONFIG_FEATURE_NEW_MODULE_INTERFACE
+#ifdef CONFIG_FEATURE_2_4_MODULES
static int
obj_symbol_patch(struct obj_file *f, int secidx, ElfW(Addr) offset,
struct obj_symbol *sym)
@@ -4161,7 +4177,7 @@
printf("Using %s\n", m_filename);
-#ifdef CONFIG_FEATURE_REALLY_NEW_MODULE_INTERFACE
+#ifdef CONFIG_FEATURE_2_6_MODULES
if (create_module(NULL, 0) < 0 && errno == ENOSYS) {
optind--;
argv[optind] = m_filename;
@@ -4214,7 +4230,7 @@
k_new_syscalls = !query_module(NULL, 0, NULL, 0, NULL);
if (k_new_syscalls) {
-#ifdef CONFIG_FEATURE_NEW_MODULE_INTERFACE
+#ifdef CONFIG_FEATURE_2_4_MODULES
if (!new_get_kernel_symbols())
goto out;
k_crcs = new_is_kernel_checksummed();
@@ -4223,7 +4239,7 @@
goto out;
#endif
} else {
-#ifdef CONFIG_FEATURE_OLD_MODULE_INTERFACE
+#ifdef CONFIG_FEATURE_2_2_MODULES
if (!old_get_kernel_symbols(m_name))
goto out;
k_crcs = old_is_kernel_checksummed();
@@ -4345,3 +4361,82 @@
#endif
return(exit_status);
}
+
+
+#endif
+
+
+#ifdef CONFIG_FEATURE_2_6_MODULES
+
+#include <sys/mman.h>
+#include <asm/unistd.h>
+#include <sys/syscall.h>
+
+/* We use error numbers in a loose translation... */
+static const char *moderror(int err)
+{
+ switch (err) {
+ case ENOEXEC:
+ return "Invalid module format";
+ case ENOENT:
+ return "Unknown symbol in module";
+ case ESRCH:
+ return "Module has wrong symbol version";
+ case EINVAL:
+ return "Invalid parameters";
+ default:
+ return strerror(err);
+ }
+}
+
+extern int insmod_ng_main( int argc, char **argv)
+{
+ int i;
+ int fd;
+ long int ret;
+ struct stat st;
+ unsigned long len;
+ void *map;
+ char *filename, *options = bb_xstrdup("");
+
+ filename = argv[1];
+ if (!filename) {
+ bb_show_usage();
+ return -1;
+ }
+
+ /* Rest is options */
+ for (i = 2; i < argc; i++) {
+ options = xrealloc(options, strlen(options) + 2 + strlen(argv[i]) + 2);
+ /* Spaces handled by "" pairs, but no way of escaping quotes */
+ if (strchr(argv[i], ' ')) {
+ strcat(options, "\"");
+ strcat(options, argv[i]);
+ strcat(options, "\"");
+ } else {
+ strcat(options, argv[i]);
+ }
+ strcat(options, " ");
+ }
+
+ if ((fd = open(filename, O_RDONLY, 0)) < 0) {
+ bb_perror_msg_and_die("cannot open module `%s'", filename);
+ }
+
+ fstat(fd, &st);
+ len = st.st_size;
+ map = mmap(NULL, len, PROT_READ, MAP_SHARED, fd, 0);
+ if (map == MAP_FAILED) {
+ bb_perror_msg_and_die("cannot mmap `%s'", filename);
+ }
+
+ ret = syscall(__NR_init_module, map, len, options);
+ if (ret != 0) {
+ bb_perror_msg_and_die("cannot insert `%s': %s (%li)",
+ filename, moderror(errno), ret);
+ }
+
+ return 0;
+}
+
+#endif
diff --git a/modutils/rmmod.c b/modutils/rmmod.c
index a4ea704..311b03d 100644
--- a/modutils/rmmod.c
+++ b/modutils/rmmod.c
@@ -25,6 +25,8 @@
#include <unistd.h>
#include <stdlib.h>
#include <getopt.h>
+#include <fcntl.h>
+#include <sys/syscall.h>
#include "busybox.h"
extern int delete_module(const char * name);
@@ -37,10 +39,17 @@
size_t pnmod = -1; /* previous number of modules */
void *buf; /* hold the module names which we ignore but must get */
size_t bufsize = 0;
+ unsigned int flags = O_NONBLOCK|O_EXCL;
/* Parse command line. */
while ((n = getopt(argc, argv, "a")) != EOF) {
switch (n) {
+ case 'w': // --wait
+ flags &= ~O_NONBLOCK;
+ break;
+ case 'f': // --force
+ flags |= O_TRUNC;
+ break;
case 'a':
/* Unload _all_ unused modules via NULL delete_module() call */
/* until the number of modules does not change */
@@ -67,7 +76,7 @@
bb_show_usage();
for (n = optind; n < argc; n++) {
- if (delete_module(argv[n]) < 0) {
+ if (syscall(__NR_delete_module, argv[n], flags) < 0) {
bb_perror_msg("%s", argv[n]);
ret = EXIT_FAILURE;
}
