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Diffstat (limited to 'gnu/usr.bin/ld/i386/md.h')
| -rw-r--r-- | gnu/usr.bin/ld/i386/md.h | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/gnu/usr.bin/ld/i386/md.h b/gnu/usr.bin/ld/i386/md.h deleted file mode 100644 index 84785de..0000000 --- a/gnu/usr.bin/ld/i386/md.h +++ /dev/null @@ -1,245 +0,0 @@ -/* - * Copyright (c) 1993 Paul Kranenburg - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Paul Kranenburg. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $Id: md.h,v 1.16 1997/02/22 15:46:34 peter Exp $ - */ - -#ifndef __MD_H__ -#define __MD_H__ - -#if defined(CROSS_LINKER) && defined(XHOST) && XHOST==sparc -#define NEED_SWAP -#endif - -#define MAX_ALIGNMENT (sizeof (long)) - -#ifdef NetBSD -#define PAGSIZ __LDPGSZ -#else -#define PAGSIZ 4096 -#endif - -#if defined(NetBSD) || defined(CROSS_LINKER) - -#define N_SET_FLAG(ex,f) (oldmagic || N_GETMAGIC(ex)==QMAGIC ? (0) : \ - N_SETMAGIC(ex, \ - N_GETMAGIC(ex), \ - MID_MACHINE, \ - N_GETFLAG(ex)|(f))) - -#define N_IS_DYNAMIC(ex) ((N_GETFLAG(ex) & EX_DYNAMIC)) - -#define N_BADMID(ex) \ - (N_GETMID(ex) != 0 && N_GETMID(ex) != MID_MACHINE) - -#endif - -/* - * FreeBSD does it differently - */ -#ifdef __FreeBSD__ -#define N_SET_FLAG(ex,f) (oldmagic ? (0) : \ - (netzmagic == 0 ? \ - N_SETMAGIC(ex, \ - N_GETMAGIC(ex), \ - MID_MACHINE, \ - N_GETFLAG(ex)|(f)) : \ - N_SETMAGIC_NET(ex, \ - N_GETMAGIC_NET(ex), \ - MID_MACHINE, \ - N_GETFLAG_NET(ex)|(f)) )) - -#define N_IS_DYNAMIC(ex) ((N_GETMAGIC_NET(ex) == ZMAGIC) ? \ - ((N_GETFLAG_NET(ex) & EX_DYNAMIC)) : \ - ((N_GETFLAG(ex) & EX_DYNAMIC) )) -#define N_BADMID(ex) 0 -#endif - -/* - * Should be handled by a.out.h ? - */ -#define N_ADJUST(ex) (((ex).a_entry < PAGSIZ) ? -PAGSIZ : 0) -#define TEXT_START(ex) (N_TXTADDR(ex) + N_ADJUST(ex)) -#define DATA_START(ex) (N_DATADDR(ex) + N_ADJUST(ex)) - -#define RELOC_STATICS_THROUGH_GOT_P(r) (0) -#define JMPSLOT_NEEDS_RELOC (0) - -#define md_got_reloc(r) (0) - -#define md_get_rt_segment_addend(r,a) md_get_addend(r,a) - -#define RELOC_INIT_SEGMENT_RELOC(r) ((r)->r_length = 2) - -/* Width of a Global Offset Table entry */ -#define GOT_ENTRY_SIZE 4 -typedef long got_t; - -typedef struct jmpslot { - u_short opcode; - u_short addr[2]; - u_short reloc_index; -#define JMPSLOT_RELOC_MASK 0xffff -} jmpslot_t; - -#define NOP 0x90 -#define CALL 0xe890 /* NOP + CALL opcode */ -#define JUMP 0xe990 /* NOP + JMP opcode */ -#define TRAP 0xcc /* INT 3 */ - -/* - * Byte swap defs for cross linking - */ - -#if !defined(NEED_SWAP) - -#define md_swapin_exec_hdr(h) -#define md_swapout_exec_hdr(h) -#define md_swapin_symbols(s,n) -#define md_swapout_symbols(s,n) -#define md_swapin_zsymbols(s,n) -#define md_swapout_zsymbols(s,n) -#define md_swapin_reloc(r,n) -#define md_swapout_reloc(r,n) -#define md_swapin__dynamic(l) -#define md_swapout__dynamic(l) -#define md_swapin_section_dispatch_table(l) -#define md_swapout_section_dispatch_table(l) -#define md_swapin_so_debug(d) -#define md_swapout_so_debug(d) -#define md_swapin_rrs_hash(f,n) -#define md_swapout_rrs_hash(f,n) -#define md_swapin_sod(l,n) -#define md_swapout_sod(l,n) -#define md_swapout_jmpslot(j,n) -#define md_swapout_got(g,n) -#define md_swapin_ranlib_hdr(h,n) -#define md_swapout_ranlib_hdr(h,n) - -#endif /* NEED_SWAP */ - -#ifdef CROSS_LINKER - -#define get_byte(p) ( ((unsigned char *)(p))[0] ) - -#define get_short(p) ( ( ((unsigned char *)(p))[0] << 8) | \ - ( ((unsigned char *)(p))[1] ) \ - ) - -#define get_long(p) ( ( ((unsigned char *)(p))[0] << 24) | \ - ( ((unsigned char *)(p))[1] << 16) | \ - ( ((unsigned char *)(p))[2] << 8 ) | \ - ( ((unsigned char *)(p))[3] ) \ - ) - -#define put_byte(p, v) { ((unsigned char *)(p))[0] = ((unsigned long)(v)); } - -#define put_short(p, v) { ((unsigned char *)(p))[0] = \ - ((((unsigned long)(v)) >> 8) & 0xff); \ - ((unsigned char *)(p))[1] = \ - ((((unsigned long)(v)) ) & 0xff); } - -#define put_long(p, v) { ((unsigned char *)(p))[0] = \ - ((((unsigned long)(v)) >> 24) & 0xff); \ - ((unsigned char *)(p))[1] = \ - ((((unsigned long)(v)) >> 16) & 0xff); \ - ((unsigned char *)(p))[2] = \ - ((((unsigned long)(v)) >> 8) & 0xff); \ - ((unsigned char *)(p))[3] = \ - ((((unsigned long)(v)) ) & 0xff); } - -#ifdef NEED_SWAP - -/* Define IO byte swapping routines */ - -void md_swapin_exec_hdr __P((struct exec *)); -void md_swapout_exec_hdr __P((struct exec *)); -void md_swapin_reloc __P((struct relocation_info *, int)); -void md_swapout_reloc __P((struct relocation_info *, int)); -void md_swapout_jmpslot __P((jmpslot_t *, int)); - -#define md_swapin_symbols(s,n) swap_symbols(s,n) -#define md_swapout_symbols(s,n) swap_symbols(s,n) -#define md_swapin_zsymbols(s,n) swap_zsymbols(s,n) -#define md_swapout_zsymbols(s,n) swap_zsymbols(s,n) -#define md_swapin__dynamic(l) swap__dynamic(l) -#define md_swapout__dynamic(l) swap__dynamic(l) -#define md_swapin_section_dispatch_table(l) swap_section_dispatch_table(l) -#define md_swapout_section_dispatch_table(l) swap_section_dispatch_table(l) -#define md_swapin_so_debug(d) swap_so_debug(d) -#define md_swapout_so_debug(d) swap_so_debug(d) -#define md_swapin_rrs_hash(f,n) swap_rrs_hash(f,n) -#define md_swapout_rrs_hash(f,n) swap_rrs_hash(f,n) -#define md_swapin_sod(l,n) swapin_sod(l,n) -#define md_swapout_sod(l,n) swapout_sod(l,n) -#define md_swapout_got(g,n) swap_longs((long*)(g),n) -#define md_swapin_ranlib_hdr(h,n) swap_ranlib_hdr(h,n) -#define md_swapout_ranlib_hdr(h,n) swap_ranlib_hdr(h,n) - -#define md_swap_short(x) ( (((x) >> 8) & 0xff) | (((x) & 0xff) << 8) ) - -#define md_swap_long(x) ( (((x) >> 24) & 0xff ) | (((x) >> 8 ) & 0xff00 ) | \ - (((x) << 8 ) & 0xff0000) | (((x) << 24) & 0xff000000)) - -#else /* We need not swap, but must pay attention to alignment: */ - -#define md_swap_short(x) (x) -#define md_swap_long(x) (x) - -#endif /* NEED_SWAP */ - -#else /* Not a cross linker: use native */ - -#define md_swap_short(x) (x) -#define md_swap_long(x) (x) - -#define get_byte(where) (*(char *)(where)) -#define get_short(where) (*(short *)(where)) -#define get_long(where) (*(long *)(where)) - -#define put_byte(where,what) (*(char *)(where) = (what)) -#define put_short(where,what) (*(short *)(where) = (what)) -#define put_long(where,what) (*(long *)(where) = (what)) - -#endif /* CROSS_LINKER */ - -void md_init_header __P((struct exec *, int, int)); -long md_get_addend __P((struct relocation_info *, unsigned char *)); -void md_relocate __P((struct relocation_info *, long, unsigned char *, int)); -void md_make_jmpslot __P((jmpslot_t *, long, long)); -void md_fix_jmpslot __P((jmpslot_t *, long, u_long)); -void md_bind_jmpslot __P((u_long, caddr_t)); -int md_make_reloc __P((struct relocation_info *, struct relocation_info *, int)); -void md_make_jmpreloc __P((struct relocation_info *, struct relocation_info *, int)); -void md_make_gotreloc __P((struct relocation_info *, struct relocation_info *, int)); -void md_make_copyreloc __P((struct relocation_info *, struct relocation_info *)); -void md_set_breakpoint __P((long, long *)); - - -#endif /* __MD_H__ */ |
