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/*
* arch/ubicom32/include/asm/flat.h
* Definitions to support flat-format executables.
*
* (C) Copyright 2009, Ubicom, Inc.
*
* This file is part of the Ubicom32 Linux Kernel Port.
*
* The Ubicom32 Linux Kernel Port is free software: you can redistribute
* it and/or modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, either version 2 of the
* License, or (at your option) any later version.
*
* The Ubicom32 Linux Kernel Port is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with the Ubicom32 Linux Kernel Port. If not,
* see <http://www.gnu.org/licenses/>.
*
* Ubicom32 implementation derived from (with many thanks):
* arch/m68knommu
* arch/blackfin
* arch/parisc
*/
#ifndef _ASM_UBICOM32_FLAT_H
#define _ASM_UBICOM32_FLAT_H
#define ARCH_FLAT_ALIGN 0x80
#define ARCH_FLAT_ALIGN_TEXT 1
#define R_UBICOM32_32 2
#define R_UBICOM32_HI24 7
#define R_UBICOM32_LO7_S 8
#define R_UBICOM32_LO7_2_S 9
#define R_UBICOM32_LO7_4_S 10
#define R_UBICOM32_LO7_D 11
#define R_UBICOM32_LO7_2_D 12
#define R_UBICOM32_LO7_4_D 13
#define R_UBICOM32_LO7_CALLI 15
#define R_UBICOM32_LO16_CALLI 16
extern void ubicom32_flat_put_addr_at_rp(unsigned long *rp, u32_t val, u32_t rval, unsigned long *p);
extern unsigned long ubicom32_flat_get_addr_from_rp(unsigned long *rp, u32_t relval, u32_t flags, unsigned long *p);
#define flat_stack_align(sp) /* nothing needed */
#define flat_argvp_envp_on_stack() 1
#define flat_old_ram_flag(flags) (flags)
#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
#define flat_get_addr_from_rp(rp, relval, flags, p) (ubicom32_flat_get_addr_from_rp(rp, relval,flags, p))
#define flat_put_addr_at_rp(rp, val, relval) do {ubicom32_flat_put_addr_at_rp(rp, val, relval, &persistent);} while(0)
#define flat_get_relocate_addr(rel) ((persistent) ? (persistent & 0x07ffffff) : (rel & 0x07ffffff))
static inline int flat_set_persistent(unsigned int relval, unsigned long *p)
{
if (*p) {
return 0;
} else {
if ((relval >> 27) != R_UBICOM32_32) {
/*
* Something other than UBICOM32_32. The next entry has the relocation.
*/
*p = relval;
return 1;
}
}
return 0;
}
#endif /* _ASM_UBICOM32_FLAT_H */
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