- remove warning (thanks Yann E. MORIN) and switch to ENABLE_
[oweals/busybox.git] / modutils / insmod.c
index 455b1c10c4dd978a78b8b44530a90fab12156a43..0ca39911c6a9f2a002562ba06e62e639103cc879 100644 (file)
@@ -2,12 +2,15 @@
 /*
  * Mini insmod implementation for busybox
  *
- * This version of insmod supports x86, ARM, SH3/4/5, powerpc, m68k,
- * MIPS, and v850e.
+ * This version of insmod supports ARM, CRIS, H8/300, x86, ia64, x86_64,
+ * m68k, MIPS, PowerPC, S390, SH3/4/5, Sparc, v850e, and x86_64.
  *
  * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
  * and Ron Alder <alder@lineo.com>
  *
+ * Rodney Radford <rradford@mindspring.com> 17-Aug-2004.
+ *   Added x86_64 support.
+ *
  * Miles Bader <miles@gnu.org> added NEC V850E support.
  *
  * Modified by Bryan Rittmeyer <bryan@ixiacom.com> to support SH4
@@ -18,6 +21,9 @@
  * very minor changes required to also work with StrongArm and presumably
  * all ARM based systems.
  *
+ * Yoshinori Sato <ysato@users.sourceforge.jp> 19-May-2004.
+ *   added Renesas H8/300 support.
+ *
  * Paul Mundt <lethal@linux-sh.org> 08-Aug-2003.
  *   Integrated support for sh64 (SH-5), from preliminary modutils
  *   patches from Benedict Gaster <benedict.gaster@superh.com>.
 #include "busybox.h"
 
 #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)
+#if !defined(CONFIG_FEATURE_2_4_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
-#endif
+
+#if defined(CONFIG_FEATURE_2_4_MODULES)
+
 
 #ifdef CONFIG_FEATURE_INSMOD_LOADINKMEM
 #define LOADBITS 0
@@ -109,60 +109,103 @@ extern int insmod_ng_main( int argc, char **argv);
 #endif
 
 
-#if defined(__arm__)
-#define CONFIG_USE_PLT_ENTRIES
-#define CONFIG_PLT_ENTRY_SIZE 8
-#define CONFIG_USE_GOT_ENTRIES
-#define CONFIG_GOT_ENTRY_SIZE 8
-#define CONFIG_USE_SINGLE
+/* Alpha */
+#if defined(__alpha__)
+#define MATCH_MACHINE(x) (x == EM_ALPHA)
+#define SHT_RELM       SHT_RELA
+#define Elf64_RelM     Elf64_Rela
+#define ELFCLASSM      ELFCLASS64
+#endif
 
+/* ARM support */
+#if defined(__arm__)
 #define MATCH_MACHINE(x) (x == EM_ARM)
 #define SHT_RELM       SHT_REL
 #define Elf32_RelM     Elf32_Rel
 #define ELFCLASSM      ELFCLASS32
-#endif
-
-#if defined(__s390__)
 #define CONFIG_USE_PLT_ENTRIES
 #define CONFIG_PLT_ENTRY_SIZE 8
 #define CONFIG_USE_GOT_ENTRIES
 #define CONFIG_GOT_ENTRY_SIZE 8
 #define CONFIG_USE_SINGLE
+#endif
 
-#define MATCH_MACHINE(x) (x == EM_S390)
+/* CRIS */
+#if defined(__cris__)
+#define MATCH_MACHINE(x) (x == EM_CRIS)
 #define SHT_RELM       SHT_RELA
 #define Elf32_RelM     Elf32_Rela
 #define ELFCLASSM      ELFCLASS32
+#ifndef EM_CRIS
+#define EM_CRIS 76
+#define R_CRIS_NONE 0
+#define R_CRIS_32   3
+#endif
 #endif
 
-#if defined(__i386__)
-#define CONFIG_USE_GOT_ENTRIES
-#define CONFIG_GOT_ENTRY_SIZE 4
+/* H8/300 */
+#if defined(__H8300H__) || defined(__H8300S__)
+#define MATCH_MACHINE(x) (x == EM_H8_300)
+#define SHT_RELM       SHT_RELA
+#define Elf32_RelM     Elf32_Rela
+#define ELFCLASSM      ELFCLASS32
 #define CONFIG_USE_SINGLE
+#define SYMBOL_PREFIX  "_"
+#endif
+
+/* PA-RISC / HP-PA */
+#if defined(__hppa__)
+#define MATCH_MACHINE(x) (x == EM_PARISC)
+#define SHT_RELM       SHT_RELA
+#if defined(__LP64__)
+#define Elf64_RelM     Elf64_Rela
+#define ELFCLASSM      ELFCLASS64
+#else
+#define Elf32_RelM     Elf32_Rela
+#define ELFCLASSM      ELFCLASS32
+#endif
+#endif
 
+/* x86 */
+#if defined(__i386__)
 #ifndef EM_486
 #define MATCH_MACHINE(x) (x == EM_386)
 #else
 #define MATCH_MACHINE(x) (x == EM_386 || x == EM_486)
 #endif
-
 #define SHT_RELM       SHT_REL
 #define Elf32_RelM     Elf32_Rel
 #define ELFCLASSM      ELFCLASS32
-#endif
-
-#if defined(__mc68000__)
 #define CONFIG_USE_GOT_ENTRIES
 #define CONFIG_GOT_ENTRY_SIZE 4
 #define CONFIG_USE_SINGLE
+#endif
 
+/* IA64, aka Itanium */
+#if defined(__ia64__)
+#define MATCH_MACHINE(x) (x == EM_IA_64)
+#define SHT_RELM       SHT_RELA
+#define Elf64_RelM     Elf64_Rela
+#define ELFCLASSM      ELFCLASS64
+#endif
+
+/* m68k */
+#if defined(__mc68000__)
 #define MATCH_MACHINE(x) (x == EM_68K)
 #define SHT_RELM       SHT_RELA
 #define Elf32_RelM     Elf32_Rela
 #define ELFCLASSM      ELFCLASS32
+#define CONFIG_USE_GOT_ENTRIES
+#define CONFIG_GOT_ENTRY_SIZE 4
+#define CONFIG_USE_SINGLE
 #endif
 
+/* MIPS */
 #if defined(__mips__)
+#define MATCH_MACHINE(x) (x == EM_MIPS || x == EM_MIPS_RS3_LE)
+#define SHT_RELM       SHT_REL
+#define Elf32_RelM     Elf32_Rel
+#define ELFCLASSM      ELFCLASS32
 /* Account for ELF spec changes.  */
 #ifndef EM_MIPS_RS3_LE
 #ifdef EM_MIPS_RS4_BE
@@ -171,81 +214,93 @@ extern int insmod_ng_main( int argc, char **argv);
 #define EM_MIPS_RS3_LE 10
 #endif
 #endif /* !EM_MIPS_RS3_LE */
-
-#define MATCH_MACHINE(x) (x == EM_MIPS || x == EM_MIPS_RS3_LE)
-#define SHT_RELM       SHT_REL
-#define Elf32_RelM     Elf32_Rel
-#define ELFCLASSM      ELFCLASS32
 #define ARCHDATAM       "__dbe_table"
 #endif
 
-#if defined(__powerpc__)
+/* PowerPC */
+#if defined(__powerpc64__)
+#define MATCH_MACHINE(x) (x == EM_PPC64)
+#define SHT_RELM       SHT_RELA
+#define Elf64_RelM     Elf64_Rela
+#define ELFCLASSM      ELFCLASS64
+#elif defined(__powerpc__)
+#define MATCH_MACHINE(x) (x == EM_PPC)
+#define SHT_RELM       SHT_RELA
+#define Elf32_RelM     Elf32_Rela
+#define ELFCLASSM      ELFCLASS32
 #define CONFIG_USE_PLT_ENTRIES
 #define CONFIG_PLT_ENTRY_SIZE 16
 #define CONFIG_USE_PLT_LIST
 #define CONFIG_LIST_ARCHTYPE ElfW(Addr)
 #define CONFIG_USE_LIST
+#define ARCHDATAM       "__ftr_fixup"
+#endif
 
-#define MATCH_MACHINE(x) (x == EM_PPC)
+/* S390 */
+#if defined(__s390__)
+#define MATCH_MACHINE(x) (x == EM_S390)
 #define SHT_RELM       SHT_RELA
 #define Elf32_RelM     Elf32_Rela
 #define ELFCLASSM      ELFCLASS32
-#define ARCHDATAM       "__ftr_fixup"
-#endif
-
-#if defined(__sh__)
+#define CONFIG_USE_PLT_ENTRIES
+#define CONFIG_PLT_ENTRY_SIZE 8
 #define CONFIG_USE_GOT_ENTRIES
-#define CONFIG_GOT_ENTRY_SIZE 4
+#define CONFIG_GOT_ENTRY_SIZE 8
 #define CONFIG_USE_SINGLE
+#endif
 
+/* SuperH */
+#if defined(__sh__)
 #define MATCH_MACHINE(x) (x == EM_SH)
 #define SHT_RELM       SHT_RELA
 #define Elf32_RelM     Elf32_Rela
 #define ELFCLASSM      ELFCLASS32
-
+#define CONFIG_USE_GOT_ENTRIES
+#define CONFIG_GOT_ENTRY_SIZE 4
+#define CONFIG_USE_SINGLE
 /* the SH changes have only been tested in =little endian= mode */
 /* I'm not sure about big endian, so let's warn: */
-
 #if defined(__sh__) && defined(__BIG_ENDIAN__)
 #error insmod.c may require changes for use on big endian SH
 #endif
-
-/* it may or may not work on the SH1/SH2... So let's error on those
-   also */
-#if ((!(defined(__SH3__) || defined(__SH4__) || defined(__SH5__)))) && \
-       (defined(__sh__))
+/* it may or may not work on the SH1/SH2... Error on those also */
+#if ((!(defined(__SH3__) || defined(__SH4__) || defined(__SH5__)))) && (defined(__sh__))
 #error insmod.c may require changes for SH1 or SH2 use
 #endif
 #endif
 
+/* Sparc */
+#if defined(__sparc__)
+#define MATCH_MACHINE(x) (x == EM_SPARC)
+#define SHT_RELM       SHT_RELA
+#define Elf32_RelM     Elf32_Rela
+#define ELFCLASSM      ELFCLASS32
+#endif
+
+/* v850e */
 #if defined (__v850e__)
+#define MATCH_MACHINE(x) ((x) == EM_V850 || (x) == EM_CYGNUS_V850)
+#define SHT_RELM       SHT_RELA
+#define Elf32_RelM     Elf32_Rela
+#define ELFCLASSM      ELFCLASS32
 #define CONFIG_USE_PLT_ENTRIES
 #define CONFIG_PLT_ENTRY_SIZE 8
 #define CONFIG_USE_SINGLE
-
 #ifndef EM_CYGNUS_V850 /* grumble */
 #define EM_CYGNUS_V850         0x9080
 #endif
-
-#define MATCH_MACHINE(x) ((x) == EM_V850 || (x) == EM_CYGNUS_V850)
-#define SHT_RELM       SHT_RELA
-#define Elf32_RelM     Elf32_Rela
-#define ELFCLASSM      ELFCLASS32
-
 #define SYMBOL_PREFIX  "_"
 #endif
 
-#if defined(__cris__)
-#ifndef EM_CRIS
-#define EM_CRIS 76
-#define R_CRIS_NONE 0
-#define R_CRIS_32   3
-#endif
-
-#define MATCH_MACHINE(x) (x == EM_CRIS)
+/* X86_64  */
+#if defined(__x86_64__)
+#define MATCH_MACHINE(x) (x == EM_X86_64)
 #define SHT_RELM       SHT_RELA
-#define Elf32_RelM     Elf32_Rela
-#define ELFCLASSM      ELFCLASS32
+#define CONFIG_USE_GOT_ENTRIES
+#define CONFIG_GOT_ENTRY_SIZE 8
+#define CONFIG_USE_SINGLE
+#define Elf64_RelM     Elf64_Rela
+#define ELFCLASSM      ELFCLASS64
 #endif
 
 #ifndef SHT_RELM
@@ -282,68 +337,7 @@ extern int insmod_ng_main( int argc, char **argv);
 #ifndef MODUTILS_MODULE_H
 static const int MODUTILS_MODULE_H = 1;
 
-#ident "$Id: insmod.c,v 1.115 2004/03/19 12:17:04 andersen Exp $"
-
-/* This file contains the structures used by the 2.0 and 2.1 kernels.
-   We do not use the kernel headers directly because we do not wish
-   to be dependant on a particular kernel version to compile insmod.  */
-
-
-/*======================================================================*/
-/* The structures used by Linux 2.0.  */
-
-/* The symbol format used by get_kernel_syms(2).  */
-struct old_kernel_sym
-{
-       unsigned long value;
-       char name[60];
-};
-
-struct old_module_ref
-{
-       unsigned long module;           /* kernel addresses */
-       unsigned long next;
-};
-
-struct old_module_symbol
-{
-       unsigned long addr;
-       unsigned long name;
-};
-
-struct old_symbol_table
-{
-       int size;                       /* total, including string table!!! */
-       int n_symbols;
-       int n_refs;
-       struct old_module_symbol symbol[0]; /* actual size defined by n_symbols */
-       struct old_module_ref ref[0];   /* actual size defined by n_refs */
-};
-
-struct old_mod_routines
-{
-       unsigned long init;
-       unsigned long cleanup;
-};
-
-struct old_module
-{
-       unsigned long next;
-       unsigned long ref;              /* the list of modules that refer to me */
-       unsigned long symtab;
-       unsigned long name;
-       int size;                       /* size of module in pages */
-       unsigned long addr;             /* address of module */
-       int state;
-       unsigned long cleanup;  /* cleanup routine */
-};
-
-/* Sent to init_module(2) or'ed into the code size parameter.  */
-static const int OLD_MOD_AUTOCLEAN = 0x40000000; /* big enough, but no sign problems... */
-
-int get_kernel_syms(struct old_kernel_sym *);
-int old_sys_init_module(const char *name, char *code, unsigned codesize,
-                       struct old_mod_routines *, struct old_symbol_table *);
+#ident "$Id: insmod.c,v 1.126 2004/12/26 09:13:32 vapier Exp $"
 
 /*======================================================================*/
 /* For sizeof() which are related to the module platform and not to the
@@ -415,13 +409,11 @@ struct new_module
        unsigned tgt_long persist_end;
        unsigned tgt_long can_unload;
        unsigned tgt_long runsize;
-#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 */
        const char *archdata_end;
        const char *kernel_data;        /* Reserved for kernel internal use */
-#endif
 };
 
 #ifdef ARCHDATAM
@@ -447,9 +439,9 @@ static const int NEW_MOD_AUTOCLEAN = 4;
 static const int NEW_MOD_VISITED = 8;
 static const int NEW_MOD_USED_ONCE = 16;
 
-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);
+int 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);
 
 /* Values for query_module's which.  */
 
@@ -503,7 +495,7 @@ int delete_module(const char *);
 #ifndef MODUTILS_OBJ_H
 static const int MODUTILS_OBJ_H = 1;
 
-#ident "$Id: insmod.c,v 1.115 2004/03/19 12:17:04 andersen Exp $"
+#ident "$Id: insmod.c,v 1.126 2004/12/26 09:13:32 vapier Exp $"
 
 /* The relocatable object is manipulated using elfin types.  */
 
@@ -536,6 +528,12 @@ static const int MODUTILS_OBJ_H = 1;
 # define ELF64_ST_INFO(bind, type)       (((bind) << 4) + ((type) & 0xf))
 #endif
 
+#define ELF_ST_BIND(info) ELFW(ST_BIND)(info)
+#define ELF_ST_TYPE(info) ELFW(ST_TYPE)(info)
+#define ELF_ST_INFO(bind, type) ELFW(ST_INFO)(bind, type)
+#define ELF_R_TYPE(val) ELFW(R_TYPE)(val)
+#define ELF_R_SYM(val) ELFW(R_SYM)(val)
+
 struct obj_string_patch;
 struct obj_symbol_patch;
 
@@ -646,10 +644,8 @@ static void *obj_extend_section (struct obj_section *sec, unsigned long more);
 static int obj_string_patch(struct obj_file *f, int secidx, ElfW(Addr) offset,
                     const char *string);
 
-#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
 
 static int obj_check_undefineds(struct obj_file *f);
 
@@ -681,10 +677,6 @@ static void arch_create_got (struct obj_file *f);
 
 static int obj_gpl_license(struct obj_file *f, const char **license);
 
-#ifdef CONFIG_FEATURE_2_4_MODULES
-static int arch_init_module (struct obj_file *f, struct new_module *);
-#endif
-
 #endif /* obj.h */
 //----------------------------------------------------------------------------
 //--------end of modutils obj.h
@@ -740,8 +732,8 @@ struct arch_single_entry
 struct mips_hi16
 {
        struct mips_hi16 *next;
-       Elf32_Addr *addr;
-       Elf32_Addr value;
+       ElfW(Addr) *addr;
+       ElfW(Addr) value;
 };
 #endif
 
@@ -811,11 +803,11 @@ static int check_module_name_match(const char *filename, struct stat *statbuf,
                        free(tmp1);
                        /* Stop searching if we find a match */
                        m_filename = bb_xstrdup(filename);
-                       return (TRUE);
+                       return (FALSE);
                }
                free(tmp1);
        }
-       return (FALSE);
+       return (TRUE);
 }
 
 
@@ -851,7 +843,7 @@ arch_apply_relocation(struct obj_file *f,
                                          struct obj_section *targsec,
                                          struct obj_section *symsec,
                                          struct obj_symbol *sym,
-                                     ElfW(RelM) *rel, ElfW(Addr) v)
+                                         ElfW(RelM) *rel, ElfW(Addr) v)
 {
        struct arch_file *ifile = (struct arch_file *) f;
        enum obj_reloc ret = obj_reloc_ok;
@@ -866,17 +858,17 @@ arch_apply_relocation(struct obj_file *f,
 #if defined(CONFIG_USE_PLT_ENTRIES)
        ElfW(Addr) plt = ifile->plt ? ifile->plt->header.sh_addr : 0;
        unsigned long *ip;
-#if defined(CONFIG_USE_PLT_LIST)
+# if defined(CONFIG_USE_PLT_LIST)
        struct arch_list_entry *pe;
-#else
+# else
        struct arch_single_entry *pe;
-#endif
+# endif
 #endif
 
-       switch (ELF32_R_TYPE(rel->r_info)) {
-
+       switch (ELF_R_TYPE(rel->r_info)) {
 
 #if defined(__arm__)
+
                case R_ARM_NONE:
                        break;
 
@@ -905,90 +897,46 @@ arch_apply_relocation(struct obj_file *f,
                        *loc += v - got;
                        break;
 
-#elif defined(__s390__)
-               case R_390_32:
-                       *(unsigned int *) loc += v;
-                       break;
-               case R_390_16:
-                       *(unsigned short *) loc += v;
-                       break;
-               case R_390_8:
-                       *(unsigned char *) loc += v;
-                       break;
-
-               case R_390_PC32:
-                       *(unsigned int *) loc += v - dot;
-                       break;
-               case R_390_PC16DBL:
-                       *(unsigned short *) loc += (v - dot) >> 1;
-                       break;
-               case R_390_PC16:
-                       *(unsigned short *) loc += v - dot;
-                       break;
-
-               case R_390_PLT32:
-               case R_390_PLT16DBL:
-                       /* find the plt entry and initialize it.  */
-                       assert(isym != NULL);
-                       pe = (struct arch_single_entry *) &isym->pltent;
-                       assert(pe->allocated);
-                       if (pe->inited == 0) {
-                               ip = (unsigned long *)(ifile->plt->contents + pe->offset);
-                               ip[0] = 0x0d105810; /* basr 1,0; lg 1,10(1); br 1 */
-                               ip[1] = 0x100607f1;
-                               if (ELF32_R_TYPE(rel->r_info) == R_390_PLT16DBL)
-                                       ip[2] = v - 2;
-                               else
-                                       ip[2] = v;
-                               pe->inited = 1;
-                       }
+#elif defined(__cris__)
 
-                       /* Insert relative distance to target.  */
-                       v = plt + pe->offset - dot;
-                       if (ELF32_R_TYPE(rel->r_info) == R_390_PLT32)
-                               *(unsigned int *) loc = (unsigned int) v;
-                       else if (ELF32_R_TYPE(rel->r_info) == R_390_PLT16DBL)
-                               *(unsigned short *) loc = (unsigned short) ((v + 2) >> 1);
+               case R_CRIS_NONE:
                        break;
 
-               case R_390_GLOB_DAT:
-               case R_390_JMP_SLOT:
+               case R_CRIS_32:
+                       /* CRIS keeps the relocation value in the r_addend field and
+                        * should not use whats in *loc at all
+                        */
                        *loc = v;
                        break;
 
-               case R_390_RELATIVE:
-                       *loc += f->baseaddr;
-                       break;
+#elif defined(__H8300H__) || defined(__H8300S__)
 
-               case R_390_GOTPC:
-                       assert(got != 0);
-                       *(unsigned long *) loc += got - dot;
+               case R_H8_DIR24R8:
+                       loc = (ElfW(Addr) *)((ElfW(Addr))loc - 1);
+                       *loc = (*loc & 0xff000000) | ((*loc & 0xffffff) + v);
                        break;
-
-               case R_390_GOT12:
-               case R_390_GOT16:
-               case R_390_GOT32:
-                       assert(isym != NULL);
-                       assert(got != 0);
-                       if (!isym->gotent.inited)
-                       {
-                               isym->gotent.inited = 1;
-                               *(Elf32_Addr *)(ifile->got->contents + isym->gotent.offset) = v;
-                       }
-                       if (ELF32_R_TYPE(rel->r_info) == R_390_GOT12)
-                               *(unsigned short *) loc |= (*(unsigned short *) loc + isym->gotent.offset) & 0xfff;
-                       else if (ELF32_R_TYPE(rel->r_info) == R_390_GOT16)
-                               *(unsigned short *) loc += isym->gotent.offset;
-                       else if (ELF32_R_TYPE(rel->r_info) == R_390_GOT32)
-                               *(unsigned int *) loc += isym->gotent.offset;
+               case R_H8_DIR24A8:
+                       *loc += v;
                        break;
-
-#ifndef R_390_GOTOFF32
-#define R_390_GOTOFF32 R_390_GOTOFF
-#endif
-               case R_390_GOTOFF32:
-                       assert(got != 0);
-                       *loc += v - got;
+               case R_H8_DIR32:
+               case R_H8_DIR32A16:
+                       *loc += v;
+                       break;
+               case R_H8_PCREL16:
+                       v -= dot + 2;
+                       if ((ElfW(Sword))v > 0x7fff ||
+                           (ElfW(Sword))v < -(ElfW(Sword))0x8000)
+                               ret = obj_reloc_overflow;
+                       else
+                               *(unsigned short *)loc = v;
+                       break;
+               case R_H8_PCREL8:
+                       v -= dot + 1;
+                       if ((ElfW(Sword))v > 0x7f ||
+                           (ElfW(Sword))v < -(ElfW(Sword))0x80)
+                               ret = obj_reloc_overflow;
+                       else
+                               *(unsigned char *)loc = v;
                        break;
 
 #elif defined(__i386__)
@@ -1052,8 +1000,8 @@ arch_apply_relocation(struct obj_file *f,
 
                case R_68K_PC8:
                        v -= dot;
-                       if ((Elf32_Sword)v > 0x7f ||
-                                       (Elf32_Sword)v < -(Elf32_Sword)0x80) {
+                       if ((ElfW(Sword))v > 0x7f ||
+                                       (ElfW(Sword))v < -(ElfW(Sword))0x80) {
                                ret = obj_reloc_overflow;
                        }
                        *(char *)loc = v;
@@ -1061,8 +1009,8 @@ arch_apply_relocation(struct obj_file *f,
 
                case R_68K_PC16:
                        v -= dot;
-                       if ((Elf32_Sword)v > 0x7fff ||
-                                       (Elf32_Sword)v < -(Elf32_Sword)0x8000) {
+                       if ((ElfW(Sword))v > 0x7fff ||
+                                       (ElfW(Sword))v < -(ElfW(Sword))0x8000) {
                                ret = obj_reloc_overflow;
                        }
                        *(short *)loc = v;
@@ -1084,12 +1032,12 @@ arch_apply_relocation(struct obj_file *f,
                case R_68K_GOT32:
                        goto bb_use_got;
 
-#ifdef R_68K_GOTOFF
+# ifdef R_68K_GOTOFF
                case R_68K_GOTOFF:
                        assert(got != 0);
                        *loc += v - got;
                        break;
-#endif
+# endif
 
 #elif defined(__mips__)
 
@@ -1128,7 +1076,7 @@ arch_apply_relocation(struct obj_file *f,
                case R_MIPS_LO16:
                        {
                                unsigned long insnlo = *loc;
-                               Elf32_Addr val, vallo;
+                               ElfW(Addr) val, vallo;
 
                                /* Sign extend the addend we extract from the lo insn.  */
                                vallo = ((insnlo & 0xffff) ^ 0x8000) - 0x8000;
@@ -1199,8 +1147,95 @@ arch_apply_relocation(struct obj_file *f,
                        *loc = v - dot;
                        break;
 
-               case R_PPC_ADDR32:
-                       *loc = v;
+               case R_PPC_ADDR32:
+                       *loc = v;
+                       break;
+
+#elif defined(__s390__)
+
+               case R_390_32:
+                       *(unsigned int *) loc += v;
+                       break;
+               case R_390_16:
+                       *(unsigned short *) loc += v;
+                       break;
+               case R_390_8:
+                       *(unsigned char *) loc += v;
+                       break;
+
+               case R_390_PC32:
+                       *(unsigned int *) loc += v - dot;
+                       break;
+               case R_390_PC16DBL:
+                       *(unsigned short *) loc += (v - dot) >> 1;
+                       break;
+               case R_390_PC16:
+                       *(unsigned short *) loc += v - dot;
+                       break;
+
+               case R_390_PLT32:
+               case R_390_PLT16DBL:
+                       /* find the plt entry and initialize it.  */
+                       assert(isym != NULL);
+                       pe = (struct arch_single_entry *) &isym->pltent;
+                       assert(pe->allocated);
+                       if (pe->inited == 0) {
+                               ip = (unsigned long *)(ifile->plt->contents + pe->offset);
+                               ip[0] = 0x0d105810; /* basr 1,0; lg 1,10(1); br 1 */
+                               ip[1] = 0x100607f1;
+                               if (ELF_R_TYPE(rel->r_info) == R_390_PLT16DBL)
+                                       ip[2] = v - 2;
+                               else
+                                       ip[2] = v;
+                               pe->inited = 1;
+                       }
+
+                       /* Insert relative distance to target.  */
+                       v = plt + pe->offset - dot;
+                       if (ELF_R_TYPE(rel->r_info) == R_390_PLT32)
+                               *(unsigned int *) loc = (unsigned int) v;
+                       else if (ELF_R_TYPE(rel->r_info) == R_390_PLT16DBL)
+                               *(unsigned short *) loc = (unsigned short) ((v + 2) >> 1);
+                       break;
+
+               case R_390_GLOB_DAT:
+               case R_390_JMP_SLOT:
+                       *loc = v;
+                       break;
+
+               case R_390_RELATIVE:
+                       *loc += f->baseaddr;
+                       break;
+
+               case R_390_GOTPC:
+                       assert(got != 0);
+                       *(unsigned long *) loc += got - dot;
+                       break;
+
+               case R_390_GOT12:
+               case R_390_GOT16:
+               case R_390_GOT32:
+                       assert(isym != NULL);
+                       assert(got != 0);
+                       if (!isym->gotent.inited)
+                       {
+                               isym->gotent.inited = 1;
+                               *(ElfW(Addr) *)(ifile->got->contents + isym->gotent.offset) = v;
+                       }
+                       if (ELF_R_TYPE(rel->r_info) == R_390_GOT12)
+                               *(unsigned short *) loc |= (*(unsigned short *) loc + isym->gotent.offset) & 0xfff;
+                       else if (ELF_R_TYPE(rel->r_info) == R_390_GOT16)
+                               *(unsigned short *) loc += isym->gotent.offset;
+                       else if (ELF_R_TYPE(rel->r_info) == R_390_GOT32)
+                               *(unsigned int *) loc += isym->gotent.offset;
+                       break;
+
+# ifndef R_390_GOTOFF32
+#  define R_390_GOTOFF32 R_390_GOTOFF
+# endif
+               case R_390_GOTOFF32:
+                       assert(got != 0);
+                       *loc += v - got;
                        break;
 
 #elif defined(__sh__)
@@ -1242,13 +1277,13 @@ arch_apply_relocation(struct obj_file *f,
                        *loc = v - got;
                        break;
 
-#if defined(__SH5__)
+# if defined(__SH5__)
                case R_SH_IMM_MEDLOW16:
                case R_SH_IMM_LOW16:
                        {
-                               Elf32_Addr word;
+                               ElfW(Addr) word;
 
-                               if (ELF32_R_TYPE(rel->r_info) == R_SH_IMM_MEDLOW16)
+                               if (ELF_R_TYPE(rel->r_info) == R_SH_IMM_MEDLOW16)
                                        v >>= 16;
 
                                /*
@@ -1270,13 +1305,13 @@ arch_apply_relocation(struct obj_file *f,
                case R_SH_IMM_MEDLOW16_PCREL:
                case R_SH_IMM_LOW16_PCREL:
                        {
-                               Elf32_Addr word;
+                               ElfW(Addr) word;
 
                                word = *loc & ~0x3fffc00;
 
                                v -= dot;
 
-                               if (ELF32_R_TYPE(rel->r_info) == R_SH_IMM_MEDLOW16_PCREL)
+                               if (ELF_R_TYPE(rel->r_info) == R_SH_IMM_MEDLOW16_PCREL)
                                        v >>= 16;
 
                                word |= (v & 0xffff) << 10;
@@ -1285,15 +1320,10 @@ arch_apply_relocation(struct obj_file *f,
 
                                break;
                        }
-#endif /* __SH5__ */
-#endif /* __sh__ */
+# endif /* __SH5__ */
 
-               default:
-                       printf("Warning: unhandled reloc %d\n",(int)ELF32_R_TYPE(rel->r_info));
-                       ret = obj_reloc_unhandled;
-                       break;
+#elif defined (__v850e__)
 
-#if defined (__v850e__)
                case R_V850_NONE:
                        break;
 
@@ -1309,20 +1339,83 @@ arch_apply_relocation(struct obj_file *f,
 
                case R_V850_22_PCREL:
                        goto bb_use_plt;
-#endif
 
-#if defined (__cris__)
-               case R_CRIS_NONE:
+#elif defined(__x86_64__)
+
+               case R_X86_64_NONE:
                        break;
 
-               case R_CRIS_32:
-                       /* CRIS keeps the relocation value in the r_addend field and
-                        * should not use whats in *loc at all
-                        */
+               case R_X86_64_64:
+                       *loc += v;
+                       break;
+
+               case R_X86_64_32:
+                       *(unsigned int *) loc += v;
+                       if (v > 0xffffffff)
+                       {
+                               ret = obj_reloc_overflow; /* Kernel module compiled without -mcmodel=kernel. */
+                               /* error("Possibly is module compiled without -mcmodel=kernel!"); */
+                       }
+                       break;
+
+               case R_X86_64_32S:
+                       *(signed int *) loc += v;
+                       break;
+
+               case R_X86_64_16:
+                       *(unsigned short *) loc += v;
+                       break;
+
+               case R_X86_64_8:
+                       *(unsigned char *) loc += v;
+                       break;
+
+               case R_X86_64_PC32:
+                       *(unsigned int *) loc += v - dot;
+                       break;
+
+               case R_X86_64_PC16:
+                       *(unsigned short *) loc += v - dot;
+                       break;
+
+               case R_X86_64_PC8:
+                       *(unsigned char *) loc += v - dot;
+                       break;
+
+               case R_X86_64_GLOB_DAT:
+               case R_X86_64_JUMP_SLOT:
                        *loc = v;
                        break;
+
+               case R_X86_64_RELATIVE:
+                       *loc += f->baseaddr;
+                       break;
+
+               case R_X86_64_GOT32:
+               case R_X86_64_GOTPCREL:
+                       goto bb_use_got;
+# if 0
+                       assert(isym != NULL);
+                       if (!isym->gotent.reloc_done)
+                       {
+                               isym->gotent.reloc_done = 1;
+                               *(Elf64_Addr *)(ifile->got->contents + isym->gotent.offset) = v;
+                       }
+                       /* XXX are these really correct?  */
+                       if (ELF64_R_TYPE(rel->r_info) == R_X86_64_GOTPCREL)
+                               *(unsigned int *) loc += v + isym->gotent.offset;
+                       else
+                               *loc += isym->gotent.offset;
+                       break;
+# endif
+
 #endif
 
+               default:
+                       printf("Warning: unhandled reloc %d\n",(int)ELF_R_TYPE(rel->r_info));
+                       ret = obj_reloc_unhandled;
+                       break;
+
 #if defined(CONFIG_USE_PLT_ENTRIES)
 
 bb_use_plt:
@@ -1349,7 +1442,7 @@ bb_use_plt:
 #endif
 #if defined(__powerpc__)
                                ip[0] = 0x3d600000 + ((v + 0x8000) >> 16);  /* lis r11,sym@ha */
-                               ip[1] = 0x396b0000 + (v & 0xffff);            /* addi r11,r11,sym@l */
+                               ip[1] = 0x396b0000 + (v & 0xffff);          /* addi r11,r11,sym@l */
                                ip[2] = 0x7d6903a6;                           /* mtctr r11 */
                                ip[3] = 0x4e800420;                           /* bctr */
 #endif
@@ -1369,7 +1462,7 @@ bb_use_plt:
 #if defined (__arm__) || defined (__powerpc__)
                        if ((int)v < -0x02000000 || (int)v >= 0x02000000)
 #elif defined (__v850e__)
-                               if ((Elf32_Sword)v > 0x1fffff || (Elf32_Sword)v < (Elf32_Sword)-0x200000)
+                               if ((ElfW(Sword))v > 0x1fffff || (ElfW(Sword))v < (ElfW(Sword))-0x200000)
 #endif
                                        /* go via the plt */
                                        v = plt + pe->offset - dot;
@@ -1526,7 +1619,7 @@ static void arch_create_got(struct obj_file *f)
                strtab = (const char *) strsec->contents;
 
                for (; rel < relend; ++rel) {
-                       extsym = &symtab[ELF32_R_SYM(rel->r_info)];
+                       extsym = &symtab[ELF_R_SYM(rel->r_info)];
 
 #if defined(CONFIG_USE_GOT_ENTRIES)
                        got_allocate = 0;
@@ -1535,7 +1628,7 @@ static void arch_create_got(struct obj_file *f)
                        plt_allocate = 0;
 #endif
 
-                       switch (ELF32_R_TYPE(rel->r_info)) {
+                       switch (ELF_R_TYPE(rel->r_info)) {
 #if defined(__arm__)
                                case R_ARM_PC24:
                                case R_ARM_PLT32:
@@ -1646,13 +1739,6 @@ static void arch_create_got(struct obj_file *f)
 #endif /* defined(CONFIG_USE_GOT_ENTRIES) || defined(CONFIG_USE_PLT_ENTRIES) */
 }
 
-#ifdef CONFIG_FEATURE_2_4_MODULES
-static int arch_init_module(struct obj_file *f, struct new_module *mod)
-{
-       return 1;
-}
-#endif
-
 /*======================================================================*/
 
 /* Standard ELF hash function.  */
@@ -1741,15 +1827,15 @@ obj_add_symbol(struct obj_file *f, const char *name,
 {
        struct obj_symbol *sym;
        unsigned long hash = f->symbol_hash(name) % HASH_BUCKETS;
-       int n_type = ELFW(ST_TYPE) (info);
-       int n_binding = ELFW(ST_BIND) (info);
+       int n_type = ELF_ST_TYPE(info);
+       int n_binding = ELF_ST_BIND(info);
 
        for (sym = f->symtab[hash]; sym; sym = sym->next)
                if (f->symbol_cmp(sym->name, name) == 0) {
                        int o_secidx = sym->secidx;
                        int o_info = sym->info;
-                       int o_type = ELFW(ST_TYPE) (o_info);
-                       int o_binding = ELFW(ST_BIND) (o_info);
+                       int o_type = ELF_ST_TYPE(o_info);
+                       int o_binding = ELF_ST_BIND(o_info);
 
                        /* A redefinition!  Is it legal?  */
 
@@ -1810,7 +1896,7 @@ obj_add_symbol(struct obj_file *f, const char *name,
        f->symtab[hash] = sym;
        sym->ksymidx = -1;
 
-       if (ELFW(ST_BIND)(info) == STB_LOCAL && symidx != -1) {
+       if (ELF_ST_BIND(info) == STB_LOCAL && symidx != -1) {
                if (symidx >= f->local_symtab_size)
                        bb_error_msg("local symbol %s with index %ld exceeds local_symtab_size %ld",
                                        name, (long) symidx, (long) f->local_symtab_size);
@@ -1969,8 +2055,7 @@ static void *obj_extend_section(struct obj_section *sec, unsigned long more)
    new module.  */
 
 static int
-add_symbols_from(
-                                struct obj_file *f,
+add_symbols_from( struct obj_file *f,
                                 int idx, struct new_module_symbol *syms, size_t nsyms)
 {
        struct new_module_symbol *s;
@@ -2002,7 +2087,7 @@ add_symbols_from(
                if (strncmp((char *)s->name, "GPLONLY_", 8) == 0) {
 #ifdef CONFIG_FEATURE_CHECK_TAINTED_MODULE
                        if (gpl)
-                               ((char *)s->name) += 8;
+                               s->name += 8;
                        else
 #endif
                                continue;
@@ -2025,14 +2110,14 @@ add_symbols_from(
 #endif /* SYMBOL_PREFIX */
 
                sym = obj_find_symbol(f, name);
-               if (sym && !(ELFW(ST_BIND) (sym->info) == STB_LOCAL)) {
+               if (sym && !(ELF_ST_BIND(sym->info) == STB_LOCAL)) {
 #ifdef SYMBOL_PREFIX
                        /* Put NAME_BUF into more permanent storage.  */
                        name = xmalloc (name_size);
                        strcpy (name, name_buf);
 #endif
                        sym = obj_add_symbol(f, name, -1,
-                                       ELFW(ST_INFO) (STB_GLOBAL,
+                                       ELF_ST_INFO(STB_GLOBAL,
                                                STT_NOTYPE),
                                        idx, s->value, 0);
                        /* Did our symbol just get installed?  If so, mark the
@@ -2093,371 +2178,6 @@ static char *get_modinfo_value(struct obj_file *f, const char *key)
 }
 
 
-/*======================================================================*/
-/* Functions relating to module loading in pre 2.1 kernels.  */
-
-static int
-old_process_module_arguments(struct obj_file *f, int argc, char **argv)
-{
-       while (argc > 0) {
-               char *p, *q;
-               struct obj_symbol *sym;
-               int *loc;
-
-               p = *argv;
-               if ((q = strchr(p, '=')) == NULL) {
-                       argc--;
-                       continue;
-               }
-               *q++ = '\0';
-
-               sym = obj_find_symbol(f, p);
-
-               /* Also check that the parameter was not resolved from the kernel.  */
-               if (sym == NULL || sym->secidx > SHN_HIRESERVE) {
-                       bb_error_msg("symbol for parameter %s not found", p);
-                       return 0;
-               }
-
-               loc = (int *) (f->sections[sym->secidx]->contents + sym->value);
-
-               /* Do C quoting if we begin with a ".  */
-               if (*q == '"') {
-                       char *r, *str;
-
-                       str = alloca(strlen(q));
-                       for (r = str, q++; *q != '"'; ++q, ++r) {
-                               if (*q == '\0') {
-                                       bb_error_msg("improperly terminated string argument for %s", p);
-                                       return 0;
-                               } else if (*q == '\\')
-                                       switch (*++q) {
-                                               case 'a':
-                                                       *r = '\a';
-                                                       break;
-                                               case 'b':
-                                                       *r = '\b';
-                                                       break;
-                                               case 'e':
-                                                       *r = '\033';
-                                                       break;
-                                               case 'f':
-                                                       *r = '\f';
-                                                       break;
-                                               case 'n':
-                                                       *r = '\n';
-                                                       break;
-                                               case 'r':
-                                                       *r = '\r';
-                                                       break;
-                                               case 't':
-                                                       *r = '\t';
-                                                       break;
-
-                                               case '0':
-                                               case '1':
-                                               case '2':
-                                               case '3':
-                                               case '4':
-                                               case '5':
-                                               case '6':
-                                               case '7':
-                                                       {
-                                                               int c = *q - '0';
-                                                               if (q[1] >= '0' && q[1] <= '7') {
-                                                                       c = (c * 8) + *++q - '0';
-                                                                       if (q[1] >= '0' && q[1] <= '7')
-                                                                               c = (c * 8) + *++q - '0';
-                                                               }
-                                                               *r = c;
-                                                       }
-                                                       break;
-
-                                               default:
-                                                       *r = *q;
-                                                       break;
-                                       } else
-                                               *r = *q;
-                       }
-                       *r = '\0';
-                       obj_string_patch(f, sym->secidx, sym->value, str);
-               } else if (*q >= '0' && *q <= '9') {
-                       do
-                               *loc++ = strtoul(q, &q, 0);
-                       while (*q++ == ',');
-               } else {
-                       char *contents = f->sections[sym->secidx]->contents;
-                       char *myloc = contents + sym->value;
-                       char *r;                        /* To search for commas */
-
-                       /* Break the string with comas */
-                       while ((r = strchr(q, ',')) != (char *) NULL) {
-                               *r++ = '\0';
-                               obj_string_patch(f, sym->secidx, myloc - contents, q);
-                               myloc += sizeof(char *);
-                               q = r;
-                       }
-
-                       /* last part */
-                       obj_string_patch(f, sym->secidx, myloc - contents, q);
-               }
-
-               argc--, argv++;
-       }
-
-       return 1;
-}
-
-#ifdef CONFIG_FEATURE_INSMOD_VERSION_CHECKING
-static int old_is_module_checksummed(struct obj_file *f)
-{
-       return obj_find_symbol(f, "Using_Versions") != NULL;
-}
-/* Get the module's kernel version in the canonical integer form.  */
-
-static int
-old_get_module_version(struct obj_file *f, char str[STRVERSIONLEN])
-{
-       struct obj_symbol *sym;
-       char *p, *q;
-       int a, b, c;
-
-       sym = obj_find_symbol(f, "kernel_version");
-       if (sym == NULL)
-               return -1;
-
-       p = f->sections[sym->secidx]->contents + sym->value;
-       safe_strncpy(str, p, STRVERSIONLEN);
-
-       a = strtoul(p, &p, 10);
-       if (*p != '.')
-               return -1;
-       b = strtoul(p + 1, &p, 10);
-       if (*p != '.')
-               return -1;
-       c = strtoul(p + 1, &q, 10);
-       if (p + 1 == q)
-               return -1;
-
-       return a << 16 | b << 8 | c;
-}
-
-#endif   /* CONFIG_FEATURE_INSMOD_VERSION_CHECKING */
-
-#ifdef CONFIG_FEATURE_2_2_MODULES
-
-/* Fetch all the symbols and divvy them up as appropriate for the modules.  */
-
-static int old_get_kernel_symbols(const char *m_name)
-{
-       struct old_kernel_sym *ks, *k;
-       struct new_module_symbol *s;
-       struct external_module *mod;
-       int nks, nms, nmod, i;
-
-       nks = get_kernel_syms(NULL);
-       if (nks <= 0) {
-               if (nks)
-                       bb_perror_msg("get_kernel_syms: %s", m_name);
-               else
-                       bb_error_msg("No kernel symbols");
-               return 0;
-       }
-
-       ks = k = xmalloc(nks * sizeof(*ks));
-
-       if (get_kernel_syms(ks) != nks) {
-               perror("inconsistency with get_kernel_syms -- is someone else "
-                               "playing with modules?");
-               free(ks);
-               return 0;
-       }
-
-       /* Collect the module information.  */
-
-       mod = NULL;
-       nmod = -1;
-
-       while (k->name[0] == '#' && k->name[1]) {
-               struct old_kernel_sym *k2;
-
-               /* Find out how many symbols this module has.  */
-               for (k2 = k + 1; k2->name[0] != '#'; ++k2)
-                       continue;
-               nms = k2 - k - 1;
-
-               mod = xrealloc(mod, (++nmod + 1) * sizeof(*mod));
-               mod[nmod].name = k->name + 1;
-               mod[nmod].addr = k->value;
-               mod[nmod].used = 0;
-               mod[nmod].nsyms = nms;
-               mod[nmod].syms = s = (nms ? xmalloc(nms * sizeof(*s)) : NULL);
-
-               for (i = 0, ++k; i < nms; ++i, ++s, ++k) {
-                       s->name = (unsigned long) k->name;
-                       s->value = k->value;
-               }
-
-               k = k2;
-       }
-
-       ext_modules = mod;
-       n_ext_modules = nmod + 1;
-
-       /* Now collect the symbols for the kernel proper.  */
-
-       if (k->name[0] == '#')
-               ++k;
-
-       nksyms = nms = nks - (k - ks);
-       ksyms = s = (nms ? xmalloc(nms * sizeof(*s)) : NULL);
-
-       for (i = 0; i < nms; ++i, ++s, ++k) {
-               s->name = (unsigned long) k->name;
-               s->value = k->value;
-       }
-
-       return 1;
-}
-
-/* Return the kernel symbol checksum version, or zero if not used.  */
-
-static int old_is_kernel_checksummed(void)
-{
-       /* Using_Versions is the first symbol.  */
-       if (nksyms > 0
-                       && strcmp((char *) ksyms[0].name,
-                               "Using_Versions") == 0) return ksyms[0].value;
-       else
-               return 0;
-}
-
-
-static int old_create_mod_use_count(struct obj_file *f)
-{
-       struct obj_section *sec;
-
-       sec = obj_create_alloced_section_first(f, ".moduse", sizeof(long),
-                       sizeof(long));
-
-       obj_add_symbol(f, "mod_use_count_", -1,
-                       ELFW(ST_INFO) (STB_LOCAL, STT_OBJECT), sec->idx, 0,
-                       sizeof(long));
-
-       return 1;
-}
-
-static int
-old_init_module(const char *m_name, struct obj_file *f,
-                               unsigned long m_size)
-{
-       char *image;
-       struct old_mod_routines routines;
-       struct old_symbol_table *symtab;
-       int ret;
-
-       /* Create the symbol table */
-       {
-               int nsyms = 0, strsize = 0, total;
-
-               /* Size things first... */
-               if (flag_export) {
-                       int i;
-                       for (i = 0; i < HASH_BUCKETS; ++i) {
-                               struct obj_symbol *sym;
-                               for (sym = f->symtab[i]; sym; sym = sym->next)
-                                       if (ELFW(ST_BIND) (sym->info) != STB_LOCAL
-                                                       && sym->secidx <= SHN_HIRESERVE)
-                                       {
-                                               sym->ksymidx = nsyms++;
-                                               strsize += strlen(sym->name) + 1;
-                                       }
-                       }
-               }
-
-               total = (sizeof(struct old_symbol_table)
-                               + nsyms * sizeof(struct old_module_symbol)
-                               + n_ext_modules_used * sizeof(struct old_module_ref)
-                               + strsize);
-               symtab = xmalloc(total);
-               symtab->size = total;
-               symtab->n_symbols = nsyms;
-               symtab->n_refs = n_ext_modules_used;
-
-               if (flag_export && nsyms) {
-                       struct old_module_symbol *ksym;
-                       char *str;
-                       int i;
-
-                       ksym = symtab->symbol;
-                       str = ((char *) ksym + nsyms * sizeof(struct old_module_symbol)
-                                       + n_ext_modules_used * sizeof(struct old_module_ref));
-
-                       for (i = 0; i < HASH_BUCKETS; ++i) {
-                               struct obj_symbol *sym;
-                               for (sym = f->symtab[i]; sym; sym = sym->next)
-                                       if (sym->ksymidx >= 0) {
-                                               ksym->addr = obj_symbol_final_value(f, sym);
-                                               ksym->name =
-                                                       (unsigned long) str - (unsigned long) symtab;
-
-                                               strcpy(str, sym->name);
-                                               str += strlen(sym->name) + 1;
-                                               ksym++;
-                                       }
-                       }
-               }
-
-               if (n_ext_modules_used) {
-                       struct old_module_ref *ref;
-                       int i;
-
-                       ref = (struct old_module_ref *)
-                               ((char *) symtab->symbol + nsyms * sizeof(struct old_module_symbol));
-
-                       for (i = 0; i < n_ext_modules; ++i)
-                               if (ext_modules[i].used)
-                                       ref++->module = ext_modules[i].addr;
-               }
-       }
-
-       /* Fill in routines.  */
-
-       routines.init =
-               obj_symbol_final_value(f, obj_find_symbol(f, SPFX "init_module"));
-       routines.cleanup =
-               obj_symbol_final_value(f, obj_find_symbol(f, SPFX "cleanup_module"));
-
-       /* Whew!  All of the initialization is complete.  Collect the final
-          module image and give it to the kernel.  */
-
-       image = xmalloc(m_size);
-       obj_create_image(f, image);
-
-       /* image holds the complete relocated module, accounting correctly for
-          mod_use_count.  However the old module kernel support assume that
-          it is receiving something which does not contain mod_use_count.  */
-       ret = old_sys_init_module(m_name, image + sizeof(long),
-                       m_size | (flag_autoclean ? OLD_MOD_AUTOCLEAN
-                               : 0), &routines, symtab);
-       if (ret)
-               bb_perror_msg("init_module: %s", m_name);
-
-       free(image);
-       free(symtab);
-
-       return ret == 0;
-}
-
-#else
-
-#define old_create_mod_use_count(x) TRUE
-#define old_init_module(x, y, z) TRUE
-
-#endif                                                 /* CONFIG_FEATURE_2_2_MODULES */
-
-
-
 /*======================================================================*/
 /* Functions relating to module loading after 2.1.18.  */
 
@@ -2597,8 +2317,8 @@ new_process_module_arguments(struct obj_file *f, int argc, char **argv)
                                                str = alloca(r - q + 1);
                                                memcpy(str, q, r - q);
 
-                                               /* I don't know if it is usefull, as the previous case
-                                                  doesn't null terminate the string ??? */
+                                               /* I don't know if it is useful, as the previous case
+                                                  doesn't nul terminate the string ??? */
                                                str[r - q] = '\0';
 
                                                /* Keep next fields */
@@ -2740,8 +2460,6 @@ new_get_module_version(struct obj_file *f, char str[STRVERSIONLEN])
 #endif   /* CONFIG_FEATURE_INSMOD_VERSION_CHECKING */
 
 
-#ifdef CONFIG_FEATURE_2_4_MODULES
-
 /* Fetch the loaded modules, and all currently exported symbols.  */
 
 static int new_get_kernel_symbols(void)
@@ -2860,7 +2578,7 @@ static int new_create_this_module(struct obj_file *f, const char *m_name)
        memset(sec->contents, 0, sizeof(struct new_module));
 
        obj_add_symbol(f, SPFX "__this_module", -1,
-                       ELFW(ST_INFO) (STB_LOCAL, STT_OBJECT), sec->idx, 0,
+                       ELF_ST_INFO(STB_LOCAL, STT_OBJECT), sec->idx, 0,
                        sizeof(struct new_module));
 
        obj_string_patch(f, sec->idx, offsetof(struct new_module, name),
@@ -2949,7 +2667,7 @@ static int new_create_module_ksymtab(struct obj_file *f)
                for (nsyms = i = 0; i < HASH_BUCKETS; ++i) {
                        struct obj_symbol *sym;
                        for (sym = f->symtab[i]; sym; sym = sym->next)
-                               if (ELFW(ST_BIND) (sym->info) != STB_LOCAL
+                               if (ELF_ST_BIND(sym->info) != STB_LOCAL
                                                && sym->secidx <= SHN_HIRESERVE
                                                && (sym->secidx >= SHN_LORESERVE
                                                        || loaded[sym->secidx])) {
@@ -2971,8 +2689,7 @@ static int new_create_module_ksymtab(struct obj_file *f)
 
 
 static int
-new_init_module(const char *m_name, struct obj_file *f,
-                               unsigned long m_size)
+new_init_module(const char *m_name, struct obj_file *f, unsigned long m_size)
 {
        struct new_module *module;
        struct obj_section *sec;
@@ -3035,16 +2752,13 @@ new_init_module(const char *m_name, struct obj_file *f,
                module->kallsyms_end = module->kallsyms_start + sec->header.sh_size;
        }
 
-       if (!arch_init_module(f, module))
-               return 0;
-
        /* Whew!  All of the initialization is complete.  Collect the final
           module image and give it to the kernel.  */
 
        image = xmalloc(m_size);
        obj_create_image(f, image);
 
-       ret = new_sys_init_module(m_name, (struct new_module *) image);
+       ret = init_module(m_name, (struct new_module *) image);
        if (ret)
                bb_perror_msg("init_module: %s", m_name);
 
@@ -3053,16 +2767,6 @@ new_init_module(const char *m_name, struct obj_file *f,
        return ret == 0;
 }
 
-#else
-
-#define new_init_module(x, y, z) TRUE
-#define new_create_this_module(x, y) 0
-#define new_add_ksymtab(x, y) -1
-#define new_create_module_ksymtab(x)
-#define query_module(v, w, x, y, z) -1
-
-#endif                                                 /* CONFIG_FEATURE_2_4_MODULES */
-
 
 /*======================================================================*/
 
@@ -3095,7 +2799,6 @@ obj_string_patch(struct obj_file *f, int secidx, ElfW(Addr) offset,
        return 1;
 }
 
-#ifdef CONFIG_FEATURE_2_4_MODULES
 static int
 obj_symbol_patch(struct obj_file *f, int secidx, ElfW(Addr) offset,
                                 struct obj_symbol *sym)
@@ -3111,7 +2814,6 @@ obj_symbol_patch(struct obj_file *f, int secidx, ElfW(Addr) offset,
 
        return 1;
 }
-#endif
 
 static int obj_check_undefineds(struct obj_file *f)
 {
@@ -3122,7 +2824,7 @@ static int obj_check_undefineds(struct obj_file *f)
                struct obj_symbol *sym;
                for (sym = f->symtab[i]; sym; sym = sym->next)
                        if (sym->secidx == SHN_UNDEF) {
-                               if (ELFW(ST_BIND) (sym->info) == STB_WEAK) {
+                               if (ELF_ST_BIND(sym->info) == STB_WEAK) {
                                        sym->secidx = SHN_ABS;
                                        sym->value = 0;
                                } else {
@@ -3308,12 +3010,12 @@ static int obj_relocate(struct obj_file *f, ElfW(Addr) base)
 
                        /* Attempt to find a value to use for this relocation.  */
 
-                       symndx = ELFW(R_SYM) (rel->r_info);
+                       symndx = ELF_R_SYM(rel->r_info);
                        if (symndx) {
                                /* Note we've already checked for undefined symbols.  */
 
                                extsym = &symtab[symndx];
-                               if (ELFW(ST_BIND) (extsym->st_info) == STB_LOCAL) {
+                               if (ELF_ST_BIND(extsym->st_info) == STB_LOCAL) {
                                        /* Local symbols we look up in the local table to be sure
                                           we get the one that is really intended.  */
                                        intsym = f->local_symtab[symndx];
@@ -3334,7 +3036,7 @@ static int obj_relocate(struct obj_file *f, ElfW(Addr) base)
 #if defined(__alpha__) && defined(AXP_BROKEN_GAS)
                        /* Work around a nasty GAS bug, that is fixed as of 2.7.0.9.  */
                        if (!extsym || !extsym->st_name ||
-                                       ELFW(ST_BIND) (extsym->st_info) != STB_LOCAL)
+                                       ELF_ST_BIND(extsym->st_info) != STB_LOCAL)
 #endif
                                value += rel->r_addend;
 #endif
@@ -3356,11 +3058,11 @@ static int obj_relocate(struct obj_file *f, ElfW(Addr) base)
 bad_reloc:
                                        if (extsym) {
                                                bb_error_msg("%s of type %ld for %s", errmsg,
-                                                               (long) ELFW(R_TYPE) (rel->r_info),
+                                                               (long) ELF_R_TYPE(rel->r_info),
                                                                strtab + extsym->st_name);
                                        } else {
                                                bb_error_msg("%s of type %ld", errmsg,
-                                                               (long) ELFW(R_TYPE) (rel->r_info));
+                                                               (long) ELF_R_TYPE(rel->r_info));
                                        }
                                        ret = 0;
                                        break;
@@ -3680,7 +3382,7 @@ static void hide_special_symbols(struct obj_file *f)
        for (p = specials; *p; ++p)
                if ((sym = obj_find_symbol(f, *p)) != NULL)
                        sym->info =
-                               ELFW(ST_INFO) (STB_LOCAL, ELFW(ST_TYPE) (sym->info));
+                               ELF_ST_INFO(STB_LOCAL, ELF_ST_TYPE(sym->info));
 }
 
 
@@ -3692,7 +3394,7 @@ static int obj_gpl_license(struct obj_file *f, const char **license)
         * linux/include/linux/module.h.  Checking for leading "GPL" will not
         * work, somebody will use "GPL sucks, this is proprietary".
         */
-       static const char *gpl_licenses[] = {
+       static const char * const gpl_licenses[] = {
                "GPL",
                "GPL v2",
                "GPL and additional rights",
@@ -3728,7 +3430,7 @@ static int obj_gpl_license(struct obj_file *f, const char **license)
 #define TAINT_PROPRIETORY_MODULE        (1<<0)
 #define TAINT_FORCED_MODULE             (1<<1)
 #define TAINT_UNSAFE_SMP                (1<<2)
-#define TAINT_URL                                              "http://www.tux.org/lkml/#export-tainted"
+#define TAINT_URL                       "http://www.tux.org/lkml/#export-tainted"
 
 static void set_tainted(struct obj_file *f, int fd, char *m_name,
                int kernel_has_tainted, int taint, const char *text1, const char *text2)
@@ -3809,10 +3511,7 @@ static int
 get_module_version(struct obj_file *f, char str[STRVERSIONLEN])
 {
 #ifdef CONFIG_FEATURE_INSMOD_VERSION_CHECKING
-       if (get_modinfo_value(f, "kernel_version") == NULL)
-               return old_get_module_version(f, str);
-       else
-               return new_get_module_version(f, str);
+       return new_get_module_version(f, str);
 #else  /* CONFIG_FEATURE_INSMOD_VERSION_CHECKING */
        strncpy(str, "???", sizeof(str));
        return -1;
@@ -3839,8 +3538,8 @@ add_ksymoops_symbols(struct obj_file *f, const char *filename,
                ".text",
                ".rodata",
                ".data",
-               ".bss"
-                       ".sbss"
+               ".bss",
+               ".sbss"
        };
 
        if (realpath(filename, real)) {
@@ -3887,7 +3586,7 @@ add_ksymoops_symbols(struct obj_file *f, const char *filename,
                                (int)(2*sizeof(statbuf.st_mtime)), statbuf.st_mtime,
                                version);
                sym = obj_add_symbol(f, name, -1,
-                               ELFW(ST_INFO) (STB_GLOBAL, STT_NOTYPE),
+                               ELF_ST_INFO(STB_GLOBAL, STT_NOTYPE),
                                sec->idx, sec->header.sh_addr, 0);
                if (use_ksymtab)
                        new_add_ksymtab(f, sym);
@@ -3905,7 +3604,7 @@ add_ksymoops_symbols(struct obj_file *f, const char *filename,
                name = xmalloc(l);
                snprintf(name, l, "%s%s_P%s",
                                symprefix, m_name, f->persist);
-               sym = obj_add_symbol(f, name, -1, ELFW(ST_INFO) (STB_GLOBAL, STT_NOTYPE),
+               sym = obj_add_symbol(f, name, -1, ELF_ST_INFO(STB_GLOBAL, STT_NOTYPE),
                                sec->idx, sec->header.sh_addr, 0);
                if (use_ksymtab)
                        new_add_ksymtab(f, sym);
@@ -3927,7 +3626,7 @@ add_ksymoops_symbols(struct obj_file *f, const char *filename,
                        snprintf(name, l, "%s%s_S%s_L%ld",
                                        symprefix, m_name, sec->name,
                                        (long)sec->header.sh_size);
-                       sym = obj_add_symbol(f, name, -1, ELFW(ST_INFO) (STB_GLOBAL, STT_NOTYPE),
+                       sym = obj_add_symbol(f, name, -1, ELF_ST_INFO(STB_GLOBAL, STT_NOTYPE),
                                        sec->idx, sec->header.sh_addr, 0);
                        if (use_ksymtab)
                                new_add_ksymtab(f, sym);
@@ -4017,7 +3716,7 @@ static void print_load_map(struct obj_file *f)
                        value = sym->value + sec->header.sh_addr;
                }
 
-               if (ELFW(ST_BIND) (sym->info) == STB_LOCAL)
+               if (ELF_ST_BIND(sym->info) == STB_LOCAL)
                        type = tolower(type);
 
                printf("%0*lx %c %s\n", (int) (2 * sizeof(void *)), value,
@@ -4031,9 +3730,8 @@ static void print_load_map(struct obj_file *f)
 extern int insmod_main( int argc, char **argv)
 {
        int opt;
-       int k_crcs;
-       int k_new_syscalls;
        int len;
+       int k_crcs;
        char *tmp, *tmp1;
        unsigned long m_size;
        ElfW(Addr) m_addr;
@@ -4045,8 +3743,7 @@ extern int insmod_main( int argc, char **argv)
 #ifdef CONFIG_FEATURE_INSMOD_VERSION_CHECKING
        struct utsname uts_info;
        char m_strversion[STRVERSIONLEN];
-       int m_version;
-       int m_crcs;
+       int m_version, m_crcs;
 #endif
 #ifdef CONFIG_FEATURE_CLEAN_UP
        FILE *fp = 0;
@@ -4139,10 +3836,10 @@ extern int insmod_main( int argc, char **argv)
 
 #if defined(CONFIG_FEATURE_2_6_MODULES)
        if (k_version > 4)
-               bb_xasprintf(&m_fullName, "%s.ko", tmp);
+               m_fullName = bb_xasprintf("%s.ko", tmp);
        else
 #endif
-               bb_xasprintf(&m_fullName, "%s.o", tmp);
+               m_fullName = bb_xasprintf("%s.o", tmp);
 
        if (!m_name) {
                m_name = tmp;
@@ -4202,7 +3899,7 @@ extern int insmod_main( int argc, char **argv)
        } else
                m_filename = bb_xstrdup(argv[optind]);
 
-       if (!flag_quiet)
+       if (flag_verbose)
                printf("Using %s\n", m_filename);
 
 #ifdef CONFIG_FEATURE_2_6_MODULES
@@ -4229,8 +3926,6 @@ extern int insmod_main( int argc, char **argv)
                        uts_info.release[0] = '\0';
                if (m_has_modinfo) {
                        m_version = new_get_module_version(f, m_strversion);
-               } else {
-                       m_version = old_get_module_version(f, m_strversion);
                        if (m_version == -1) {
                                bb_error_msg("couldn't find the kernel version the module was "
                                                "compiled for");
@@ -4256,33 +3951,19 @@ extern int insmod_main( int argc, char **argv)
        k_crcs = 0;
 #endif                                                 /* CONFIG_FEATURE_INSMOD_VERSION_CHECKING */
 
-       k_new_syscalls = !query_module(NULL, 0, NULL, 0, NULL);
-
-       if (k_new_syscalls) {
-#ifdef CONFIG_FEATURE_2_4_MODULES
+       if (!query_module(NULL, 0, NULL, 0, NULL)) {
                if (!new_get_kernel_symbols())
                        goto out;
                k_crcs = new_is_kernel_checksummed();
-#else
-               bb_error_msg("Not configured to support new kernels");
-               goto out;
-#endif
        } else {
-#ifdef CONFIG_FEATURE_2_2_MODULES
-               if (!old_get_kernel_symbols(m_name))
-                       goto out;
-               k_crcs = old_is_kernel_checksummed();
-#else
                bb_error_msg("Not configured to support old kernels");
                goto out;
-#endif
        }
 
 #ifdef CONFIG_FEATURE_INSMOD_VERSION_CHECKING
+       m_crcs = 0;
        if (m_has_modinfo)
                m_crcs = new_is_module_checksummed(f);
-       else
-               m_crcs = old_is_module_checksummed(f);
 
        if (m_crcs != k_crcs)
                obj_set_symbol_compare(f, ncv_strcmp, ncv_symbol_hash);
@@ -4293,9 +3974,7 @@ extern int insmod_main( int argc, char **argv)
 
        /* Allocate common symbols, symbol tables, and string tables.  */
 
-       if (k_new_syscalls
-                       ? !new_create_this_module(f, m_name)
-                       : !old_create_mod_use_count(f))
+       if (!new_create_this_module(f, m_name))
        {
                goto out;
        }
@@ -4310,9 +3989,7 @@ extern int insmod_main( int argc, char **argv)
        ++optind;
 
        if (optind < argc) {
-               if (m_has_modinfo
-                               ? !new_process_module_arguments(f, argc - optind, argv + optind)
-                               : !old_process_module_arguments(f, argc - optind, argv + optind))
+               if (!new_process_module_arguments(f, argc - optind, argv + optind))
                {
                        goto out;
                }
@@ -4325,8 +4002,7 @@ extern int insmod_main( int argc, char **argv)
        add_ksymoops_symbols(f, m_filename, m_name);
 #endif /* CONFIG_FEATURE_INSMOD_KSYMOOPS_SYMBOLS */
 
-       if (k_new_syscalls)
-               new_create_module_ksymtab(f);
+       new_create_module_ksymtab(f);
 
        /* Find current size of the module */
        m_size = obj_load_size(f);
@@ -4362,9 +4038,7 @@ extern int insmod_main( int argc, char **argv)
                goto out;
        }
 
-       if (k_new_syscalls
-                       ? !new_init_module(m_name, f, m_size)
-                       : !old_init_module(m_name, f, m_size))
+       if (!new_init_module(m_name, f, m_size))
        {
                delete_module(m_name);
                goto out;
@@ -4454,7 +4128,7 @@ extern int insmod_ng_main( int argc, char **argv)
 
        fstat(fd, &st);
        len = st.st_size;
-       map = mmap(NULL, len, PROT_READ, MAP_SHARED, fd, 0);
+       map = mmap(NULL, len, PROT_READ, MAP_PRIVATE, fd, 0);
        if (map == MAP_FAILED) {
                bb_perror_msg_and_die("cannot mmap `%s'", filename);
        }