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468138d785
on MMU targets EFAULT is possible here. Make both return 0 or error, passing what used to be the return value of flat_get_addr_from_rp() by reference. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
/*
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* include/asm-sh/flat.h
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*
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* uClinux flat-format executables
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*
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* Copyright (C) 2003 Paul Mundt
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive for
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* more details.
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*/
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#ifndef __ASM_SH_FLAT_H
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#define __ASM_SH_FLAT_H
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#include <asm/unaligned.h>
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#define flat_argvp_envp_on_stack() 0
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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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static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
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u32 *addr, u32 *persistent)
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{
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*addr = get_unaligned((__force u32 *)rp);
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return 0;
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}
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static inline int flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 rel)
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{
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put_unaligned(addr, (__force u32 *)rp);
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return 0;
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}
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#define flat_get_relocate_addr(rel) (rel)
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#define flat_set_persistent(relval, p) ({ (void)p; 0; })
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#define FLAT_PLAT_INIT(_r) \
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do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \
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_r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \
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_r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \
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_r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; \
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_r->sr = SR_FD; } while (0)
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#endif /* __ASM_SH_FLAT_H */
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