diff options
| author | Eric Andersen | 2004-05-26 11:38:46 +0000 |
|---|---|---|
| committer | Eric Andersen | 2004-05-26 11:38:46 +0000 |
| commit | ee70fa5523520f810f77b8a94aa1ffdbd9aff057 (patch) | |
| tree | 03a1804a24860e6d0902c00a4be0da4efa2deaa5 /modutils | |
| parent | 0dfe4e99562878bc575e682926c2e345661d08a1 (diff) | |
| download | busybox-ee70fa5523520f810f77b8a94aa1ffdbd9aff057.zip busybox-ee70fa5523520f810f77b8a94aa1ffdbd9aff057.tar.gz | |
Patch from Yoshinori Sato:
This patch is uClinux-2.4.x for H8/300 module support.
please apply.
--
Yoshinori Sato
Diffstat (limited to 'modutils')
| -rw-r--r-- | modutils/insmod.c | 50 |
1 files changed, 47 insertions, 3 deletions
diff --git a/modutils/insmod.c b/modutils/insmod.c index 63ee9da..5063be5 100644 --- a/modutils/insmod.c +++ b/modutils/insmod.c @@ -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: |