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Patch from Yoshinori Sato:

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This patch is uClinux-2.4.x for H8/300 module support.
please apply.

--
Yoshinori Sato
This commit is contained in:
Eric Andersen 2004-05-26 11:38:46 +00:00
parent 0dfe4e9956
commit ee70fa5523
1 changed files with 47 additions and 3 deletions
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50
modutils/insmod.c
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@ -3,7 +3,7 @@
* Mini insmod implementation for busybox
*
* This version of insmod supports x86, ARM, SH3/4/5, powerpc, m68k,
* MIPS, and v850e.
* MIPS, v850e, and H8/300.
*
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
* and Ron Alder <alder@lineo.com>
@ -18,6 +18,9 @@
* 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>.
@ -248,6 +251,17 @@ extern int insmod_ng_main( int argc, char **argv);
#define ELFCLASSM ELFCLASS32
#endif
#if defined(__H8300H__) || defined(__H8300S__)
#define CONFIG_USE_SINGLE
#define MATCH_MACHINE(x) (x == EM_H8_300)
#define SHT_RELM SHT_RELA
#define Elf32_RelM Elf32_Rela
#define ELFCLASSM ELFCLASS32
#define SYMBOL_PREFIX "_"
#endif
#ifndef SHT_RELM
#error Sorry, but insmod.c does not yet support this architecture...
#endif
@ -282,7 +296,7 @@ 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 1.117 2004/04/14 17:51:22 andersen Exp $"
#ident "$Id: insmod.c,v 1.118 2004/05/26 11:38:46 andersen Exp $"
/* This file contains the structures used by the 2.0 and 2.1 kernels.
We do not use the kernel headers directly because we do not wish
@ -503,7 +517,7 @@ int delete_module(const char *);
#ifndef MODUTILS_OBJ_H
static const int MODUTILS_OBJ_H = 1;
#ident "$Id: insmod.c,v 1.117 2004/04/14 17:51:22 andersen Exp $"
#ident "$Id: insmod.c,v 1.118 2004/05/26 11:38:46 andersen Exp $"
/* The relocatable object is manipulated using elfin types. */
@ -1323,6 +1337,36 @@ arch_apply_relocation(struct obj_file *f,
break;
#endif
#elif defined(__H8300H__) || defined(__H8300S__)
case R_H8_DIR24R8:
loc = (ElfW(Addr) *)((ElfW(Addr))loc - 1);
*loc = (*loc & 0xff000000) | ((*loc & 0xffffff) + v);
break;
case R_H8_DIR24A8:
*loc += v;
break;
case R_H8_DIR32:
case R_H8_DIR32A16:
*loc += v;
break;
case R_H8_PCREL16:
v -= dot + 2;
if ((Elf32_Sword)v > 0x7fff ||
(Elf32_Sword)v < -(Elf32_Sword)0x8000)
ret = obj_reloc_overflow;
else
*(unsigned short *)loc = v;
break;
case R_H8_PCREL8:
v -= dot + 1;
if ((Elf32_Sword)v > 0x7f ||
(Elf32_Sword)v < -(Elf32_Sword)0x80)
ret = obj_reloc_overflow;
else
*(unsigned char *)loc = v;
break;
#endif
#if defined(CONFIG_USE_PLT_ENTRIES)
bb_use_plt: