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authorEric Andersen2001-04-05 07:33:10 +0000
committerEric Andersen2001-04-05 07:33:10 +0000
commit64c8b1762c269cd3d6d1bd58ba6cece39f4863cf (patch)
tree1b4ab2d9dd5c889953f911dc1e0ef0c478462b84
parentacc7757312fe1a7a69448047d1dbea2ef1c31cde (diff)
downloadbusybox-64c8b1762c269cd3d6d1bd58ba6cece39f4863cf.zip
busybox-64c8b1762c269cd3d6d1bd58ba6cece39f4863cf.tar.gz
Another iteration -- adjust the init_module syscall a bit.
-Erik
-rw-r--r--insmod.c14
-rw-r--r--libbb/module_syscalls.c44
-rw-r--r--modutils/insmod.c14
3 files changed, 29 insertions, 43 deletions
diff --git a/insmod.c b/insmod.c
index abd639c..f1798ad 100644
--- a/insmod.c
+++ b/insmod.c
@@ -62,6 +62,12 @@
#include <sys/utsname.h>
#include "busybox.h"
+#ifdef BB_FEATURE_NEW_MODULE_INTERFACE
+# define new_sys_init_module init_module
+#else
+# define old_sys_init_module init_module
+#endif
+
#if defined(__powerpc__)
#define BB_USE_PLT_ENTRIES
#define BB_PLT_ENTRY_SIZE 16
@@ -117,7 +123,7 @@
#ifndef MODUTILS_MODULE_H
static const int MODUTILS_MODULE_H = 1;
-#ident "$Id: insmod.c,v 1.56 2001/04/05 06:24:27 andersen Exp $"
+#ident "$Id: insmod.c,v 1.57 2001/04/05 07:33:10 andersen Exp $"
/* This file contains the structures used by the 2.0 and 2.1 kernels.
We do not use the kernel headers directly because we do not wish
@@ -267,7 +273,7 @@ static const int NEW_MOD_AUTOCLEAN = 4;
static const int NEW_MOD_VISITED = 8;
static const int NEW_MOD_USED_ONCE = 16;
-int init_module(const char *name, const struct new_module *);
+int new_sys_init_module(const char *name, const struct new_module *);
int query_module(const char *name, int which, void *buf, size_t bufsize,
size_t *ret);
@@ -323,7 +329,7 @@ int delete_module(const char *);
#ifndef MODUTILS_OBJ_H
static const int MODUTILS_OBJ_H = 1;
-#ident "$Id: insmod.c,v 1.56 2001/04/05 06:24:27 andersen Exp $"
+#ident "$Id: insmod.c,v 1.57 2001/04/05 07:33:10 andersen Exp $"
/* The relocatable object is manipulated using elfin types. */
@@ -2515,7 +2521,7 @@ new_init_module(const char *m_name, struct obj_file *f,
image = xmalloc(m_size);
obj_create_image(f, image);
- ret = init_module(m_name, (struct new_module *) image);
+ ret = new_sys_init_module(m_name, (struct new_module *) image);
if (ret)
perror_msg("init_module: %s", m_name);
diff --git a/libbb/module_syscalls.c b/libbb/module_syscalls.c
index 87662ff..3a06b21 100644
--- a/libbb/module_syscalls.c
+++ b/libbb/module_syscalls.c
@@ -32,43 +32,17 @@
#include "libbb.h"
-struct old_module_ref
-{
- unsigned long module; /* kernel addresses */
- unsigned long next;
-};
-
-struct old_module_symbol
-{
- unsigned long addr;
- unsigned long name;
-};
-
-struct old_symbol_table
-{
- int size; /* total, including string table!!! */
- int n_symbols;
- int n_refs;
- struct old_module_symbol symbol[0]; /* actual size defined by n_symbols */
- struct old_module_ref ref[0]; /* actual size defined by n_refs */
-};
-
-struct old_mod_routines
-{
- unsigned long init;
- unsigned long cleanup;
-};
-
-#define __NR_old_sys_init_module __NR_init_module
-_syscall5(int, old_sys_init_module, const char *, name, char *, code,
- unsigned, codesize, struct old_mod_routines *, routines,
- struct old_symbol_table *, symtab);
-
#if __GNU_LIBRARY__ < 5
/* These syscalls are not included as part of libc5 */
_syscall1(int, delete_module, const char *, name);
_syscall1(int, get_kernel_syms, struct old_kernel_sym *, ks);
+/* This may have 5 arguments (for old 2.0 kernels) or 2 arguments
+ * (for 2.2 and 2.4 kernels). Use the greatest common denominator,
+ * and let the kernel cope with whatever it gets. Its good at that. */
+_syscall5(int, init_module, void *, first, void *, second, void *, third,
+ void *, fourth, void *, fifth);
+
#ifndef __NR_query_module
#warning This kernel does not support the query_module syscall
#warning -> The query_module system call is being stubbed out...
@@ -85,11 +59,11 @@ _syscall5(int, query_module, const char *, name, int, which,
#endif
/* Jump through hoops to fixup error return codes */
-#define __NR__create_module __NR_create_module
-static inline _syscall2(long, _create_module, const char *, name, size_t, size)
+#define __NR___create_module __NR_create_module
+static inline _syscall2(long, __create_module, const char *, name, size_t, size)
unsigned long create_module(const char *name, size_t size)
{
- long ret = _create_module(name, size);
+ long ret = __create_module(name, size);
if (ret == -1 && errno > 125) {
ret = -errno;
diff --git a/modutils/insmod.c b/modutils/insmod.c
index abd639c..f1798ad 100644
--- a/modutils/insmod.c
+++ b/modutils/insmod.c
@@ -62,6 +62,12 @@
#include <sys/utsname.h>
#include "busybox.h"
+#ifdef BB_FEATURE_NEW_MODULE_INTERFACE
+# define new_sys_init_module init_module
+#else
+# define old_sys_init_module init_module
+#endif
+
#if defined(__powerpc__)
#define BB_USE_PLT_ENTRIES
#define BB_PLT_ENTRY_SIZE 16
@@ -117,7 +123,7 @@
#ifndef MODUTILS_MODULE_H
static const int MODUTILS_MODULE_H = 1;
-#ident "$Id: insmod.c,v 1.56 2001/04/05 06:24:27 andersen Exp $"
+#ident "$Id: insmod.c,v 1.57 2001/04/05 07:33:10 andersen Exp $"
/* This file contains the structures used by the 2.0 and 2.1 kernels.
We do not use the kernel headers directly because we do not wish
@@ -267,7 +273,7 @@ static const int NEW_MOD_AUTOCLEAN = 4;
static const int NEW_MOD_VISITED = 8;
static const int NEW_MOD_USED_ONCE = 16;
-int init_module(const char *name, const struct new_module *);
+int new_sys_init_module(const char *name, const struct new_module *);
int query_module(const char *name, int which, void *buf, size_t bufsize,
size_t *ret);
@@ -323,7 +329,7 @@ int delete_module(const char *);
#ifndef MODUTILS_OBJ_H
static const int MODUTILS_OBJ_H = 1;
-#ident "$Id: insmod.c,v 1.56 2001/04/05 06:24:27 andersen Exp $"
+#ident "$Id: insmod.c,v 1.57 2001/04/05 07:33:10 andersen Exp $"
/* The relocatable object is manipulated using elfin types. */
@@ -2515,7 +2521,7 @@ new_init_module(const char *m_name, struct obj_file *f,
image = xmalloc(m_size);
obj_create_image(f, image);
- ret = init_module(m_name, (struct new_module *) image);
+ ret = new_sys_init_module(m_name, (struct new_module *) image);
if (ret)
perror_msg("init_module: %s", m_name);