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1a29ef8e97
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19815 3c298f89-4303-0410-b956-a3cf2f4a3e73
74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
/*
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* arch/ubicom32/include/asm/flat.h
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* Definitions to support flat-format executables.
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*
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* (C) Copyright 2009, Ubicom, Inc.
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*
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* This file is part of the Ubicom32 Linux Kernel Port.
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*
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* The Ubicom32 Linux Kernel Port is free software: you can redistribute
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* it and/or modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 2 of the
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* License, or (at your option) any later version.
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*
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* The Ubicom32 Linux Kernel Port is distributed in the hope that it
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with the Ubicom32 Linux Kernel Port. If not,
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* see <http://www.gnu.org/licenses/>.
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*
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* Ubicom32 implementation derived from (with many thanks):
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* arch/m68knommu
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* arch/blackfin
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* arch/parisc
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*/
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#ifndef _ASM_UBICOM32_FLAT_H
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#define _ASM_UBICOM32_FLAT_H
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#define ARCH_FLAT_ALIGN 0x80
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#define ARCH_FLAT_ALIGN_TEXT 1
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#define R_UBICOM32_32 2
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#define R_UBICOM32_HI24 7
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#define R_UBICOM32_LO7_S 8
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#define R_UBICOM32_LO7_2_S 9
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#define R_UBICOM32_LO7_4_S 10
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#define R_UBICOM32_LO7_D 11
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#define R_UBICOM32_LO7_2_D 12
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#define R_UBICOM32_LO7_4_D 13
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#define R_UBICOM32_LO7_CALLI 15
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#define R_UBICOM32_LO16_CALLI 16
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extern void ubicom32_flat_put_addr_at_rp(unsigned long *rp, u32_t val, u32_t rval, unsigned long *p);
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extern unsigned long ubicom32_flat_get_addr_from_rp(unsigned long *rp, u32_t relval, u32_t flags, unsigned long *p);
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#define flat_stack_align(sp) /* nothing needed */
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#define flat_argvp_envp_on_stack() 1
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#define flat_old_ram_flag(flags) (flags)
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#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
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#define flat_get_addr_from_rp(rp, relval, flags, p) (ubicom32_flat_get_addr_from_rp(rp, relval,flags, p))
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#define flat_put_addr_at_rp(rp, val, relval) do {ubicom32_flat_put_addr_at_rp(rp, val, relval, &persistent);} while(0)
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#define flat_get_relocate_addr(rel) ((persistent) ? (persistent & 0x07ffffff) : (rel & 0x07ffffff))
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static inline int flat_set_persistent(unsigned int relval, unsigned long *p)
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{
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if (*p) {
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return 0;
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} else {
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if ((relval >> 27) != R_UBICOM32_32) {
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/*
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* Something other than UBICOM32_32. The next entry has the relocation.
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*/
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*p = relval;
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return 1;
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}
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}
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return 0;
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}
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#endif /* _ASM_UBICOM32_FLAT_H */
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