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-rw-r--r--gnu/usr.bin/ld/vax/md-static-funcs.c17
-rw-r--r--gnu/usr.bin/ld/vax/md.c361
-rw-r--r--gnu/usr.bin/ld/vax/md.h229
-rw-r--r--gnu/usr.bin/ld/vax/mdprologue.S3
4 files changed, 610 insertions, 0 deletions
diff --git a/gnu/usr.bin/ld/vax/md-static-funcs.c b/gnu/usr.bin/ld/vax/md-static-funcs.c
new file mode 100644
index 00000000000..bac3ef8f340
--- /dev/null
+++ b/gnu/usr.bin/ld/vax/md-static-funcs.c
@@ -0,0 +1,17 @@
+/* $OpenBSD: md-static-funcs.c,v 1.1 1996/07/27 10:39:58 maja Exp $ */
+/* $NetBSD: md-static-funcs.c,v 1.1 1995/10/19 13:10:17 ragge Exp $ */
+/*
+ * Called by ld.so when onanating.
+ * This *must* be a static function, so it is not called through a jmpslot.
+ */
+
+static void
+md_relocate_simple(r, relocation, addr)
+struct relocation_info *r;
+long relocation;
+char *addr;
+{
+if (r->r_relative)
+ *(long *)addr += relocation;
+}
+
diff --git a/gnu/usr.bin/ld/vax/md.c b/gnu/usr.bin/ld/vax/md.c
new file mode 100644
index 00000000000..f7f9573983f
--- /dev/null
+++ b/gnu/usr.bin/ld/vax/md.c
@@ -0,0 +1,361 @@
+/* $OpenBSD: md.c,v 1.1 1996/07/27 10:40:00 maja Exp $ */
+/* $NetBSD: md.c,v 1.1 1995/10/19 13:10:19 ragge Exp $ */
+/*
+ * 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.
+ *
+ */
+
+#include <sys/param.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <err.h>
+#include <fcntl.h>
+#include <a.out.h>
+#include <stab.h>
+#include <string.h>
+
+#include "ld.h"
+
+/*
+ * Get relocation addend corresponding to relocation record RP
+ * from address ADDR
+ */
+long
+md_get_addend(rp, addr)
+struct relocation_info *rp;
+unsigned char *addr;
+{
+ switch (RELOC_TARGET_SIZE(rp)) {
+ case 0:
+ return get_byte(addr);
+ case 1:
+ return get_short(addr);
+ case 2:
+ return get_long(addr);
+ default:
+ errx(1, "Unsupported relocation size: %x",
+ RELOC_TARGET_SIZE(rp));
+ }
+}
+
+/*
+ * Put RELOCATION at ADDR according to relocation record RP.
+ */
+void
+md_relocate(rp, relocation, addr, relocatable_output)
+struct relocation_info *rp;
+long relocation;
+unsigned char *addr;
+int relocatable_output;
+{
+ switch (RELOC_TARGET_SIZE(rp)) {
+ case 0:
+ put_byte(addr, relocation);
+ break;
+ case 1:
+ put_short(addr, relocation);
+ break;
+ case 2:
+ put_long(addr, relocation);
+ break;
+ default:
+ errx(1, "Unsupported relocation size: %x",
+ RELOC_TARGET_SIZE(rp));
+ }
+}
+
+/*
+ * Machine dependent part of claim_rrs_reloc().
+ * Set RRS relocation type.
+ */
+int
+md_make_reloc(rp, r, type)
+struct relocation_info *rp, *r;
+int type;
+{
+ /* Relocation size */
+ r->r_length = rp->r_length;
+
+ if (RELOC_PCREL_P(rp))
+ r->r_pcrel = 1;
+
+ if (type & RELTYPE_RELATIVE)
+ r->r_relative = 1;
+
+ if (type & RELTYPE_COPY)
+ r->r_copy = 1;
+
+ return 0;
+}
+
+/*
+ * Set up a transfer from jmpslot at OFFSET (relative to the PLT table)
+ * to the binder slot (which is at offset 0 of the PLT).
+ */
+void
+md_make_jmpslot(sp, offset, index)
+jmpslot_t *sp;
+long offset;
+long index;
+{
+ /*
+ * On VAX a branch offset given in immediate mode is relative to
+ * the end of the address itself.
+ */
+ u_long fudge = - (sizeof(sp->opcode) + sizeof(sp->addr) + offset);
+
+ sp->opcode = JMPREL; /* XXX !!! untested !!! XXX */
+#if 0
+ sp->addr = fudge;
+#else
+ sp->addr[0] = fudge & 0xffff;
+ sp->addr[1] = fudge >> 16;
+#endif
+ sp->reloc_index = index;
+}
+
+/*
+ * Set up a "direct" transfer (ie. not through the run-time binder) from
+ * jmpslot at OFFSET to ADDR. Used by `ld' when the SYMBOLIC flag is on,
+ * and by `ld.so' after resolving the symbol.
+ * On the i386, we use the JMP instruction which is PC relative, so no
+ * further RRS relocations will be necessary for such a jmpslot.
+ */
+void
+md_fix_jmpslot(sp, offset, addr)
+jmpslot_t *sp;
+long offset;
+u_long addr;
+{
+ u_long fudge = addr - (sizeof(sp->opcode) + sizeof(sp->addr) + offset);
+
+ sp->opcode = JMPABS; /* XXX !!! untested !!! XXX */
+#if 0
+ sp->addr = fudge;
+#else
+ sp->addr[0] = fudge & 0xffff;
+ sp->addr[1] = fudge >> 16;
+#endif
+ sp->reloc_index = 0;
+}
+
+/*
+ * Update the relocation record for a RRS jmpslot.
+ */
+void
+md_make_jmpreloc(rp, r, type)
+struct relocation_info *rp, *r;
+int type;
+{
+ jmpslot_t *sp;
+
+ /*
+ * Fix relocation address to point to the correct
+ * location within this jmpslot.
+ */
+ r->r_address += sizeof(sp->opcode);
+
+ /* Relocation size */
+ r->r_length = 2;
+
+ /* Set relocation type */
+ r->r_jmptable = 1;
+ if (type & RELTYPE_RELATIVE)
+ r->r_relative = 1;
+
+}
+
+/*
+ * Set relocation type for a RRS GOT relocation.
+ */
+void
+md_make_gotreloc(rp, r, type)
+struct relocation_info *rp, *r;
+int type;
+{
+ r->r_baserel = 1;
+ if (type & RELTYPE_RELATIVE)
+ r->r_relative = 1;
+
+ /* Relocation size */
+ r->r_length = 2;
+}
+
+/*
+ * Set relocation type for a RRS copy operation.
+ */
+void
+md_make_cpyreloc(rp, r)
+struct relocation_info *rp, *r;
+{
+ /* Relocation size */
+ r->r_length = 2;
+
+ r->r_copy = 1;
+}
+
+void
+md_set_breakpoint(where, savep)
+long where;
+long *savep;
+{
+ *savep = *(long *)where;
+ *(char *)where = TRAP; /* !!! fixit !!! */
+}
+
+#ifndef RTLD
+
+#ifdef FreeBSD
+int netzmagic;
+#endif
+
+/*
+ * Initialize (output) exec header such that useful values are
+ * obtained from subsequent N_*() macro evaluations.
+ */
+void
+md_init_header(hp, magic, flags)
+struct exec *hp;
+int magic, flags;
+{
+#ifdef NetBSD
+ if (oldmagic || magic == QMAGIC)
+ hp->a_midmag = magic;
+ else
+ N_SETMAGIC((*hp), magic, MID_I386, flags);
+#endif
+#ifdef FreeBSD
+ if (oldmagic)
+ hp->a_midmag = magic;
+ else if (netzmagic)
+ N_SETMAGIC_NET((*hp), magic, MID_I386, flags);
+ else
+ N_SETMAGIC((*hp), magic, MID_I386, flags);
+#endif
+
+ /* TEXT_START depends on the value of outheader.a_entry. */
+ if (!(link_mode & SHAREABLE))
+ hp->a_entry = PAGSIZ;
+}
+#endif /* RTLD */
+
+
+#ifdef NEED_SWAP
+/*
+ * Byte swap routines for cross-linking.
+ */
+
+void
+md_swapin_exec_hdr(h)
+struct exec *h;
+{
+ int skip = 0;
+
+ if (!N_BADMAG(*h))
+ skip = 1;
+
+ swap_longs((long *)h + skip, sizeof(*h)/sizeof(long) - skip);
+}
+
+void
+md_swapout_exec_hdr(h)
+struct exec *h;
+{
+ /* NetBSD: Always leave magic alone */
+ int skip = 1;
+#if 0
+ if (N_GETMAGIC(*h) == OMAGIC)
+ skip = 0;
+#endif
+
+ swap_longs((long *)h + skip, sizeof(*h)/sizeof(long) - skip);
+}
+
+
+void
+md_swapin_reloc(r, n)
+struct relocation_info *r;
+int n;
+{
+ int bits;
+
+ for (; n; n--, r++) {
+ r->r_address = md_swap_long(r->r_address);
+ bits = ((int *)r)[1];
+ r->r_symbolnum = md_swap_long(bits) & 0x00ffffff;
+ r->r_pcrel = (bits & 1);
+ r->r_length = (bits >> 1) & 3;
+ r->r_extern = (bits >> 3) & 1;
+ r->r_baserel = (bits >> 4) & 1;
+ r->r_jmptable = (bits >> 5) & 1;
+ r->r_relative = (bits >> 6) & 1;
+#ifdef N_SIZE
+ r->r_copy = (bits >> 7) & 1;
+#endif
+ }
+}
+
+void
+md_swapout_reloc(r, n)
+struct relocation_info *r;
+int n;
+{
+ int bits;
+
+ for (; n; n--, r++) {
+ r->r_address = md_swap_long(r->r_address);
+ bits = md_swap_long(r->r_symbolnum) & 0xffffff00;
+ bits |= (r->r_pcrel & 1);
+ bits |= (r->r_length & 3) << 1;
+ bits |= (r->r_extern & 1) << 3;
+ bits |= (r->r_baserel & 1) << 4;
+ bits |= (r->r_jmptable & 1) << 5;
+ bits |= (r->r_relative & 1) << 6;
+#ifdef N_SIZE
+ bits |= (r->r_copy & 1) << 7;
+#endif
+ ((int *)r)[1] = bits;
+ }
+}
+
+void
+md_swapout_jmpslot(j, n)
+jmpslot_t *j;
+int n;
+{
+ for (; n; n--, j++) {
+ j->opcode = md_swap_short(j->opcode);
+ j->addr[0] = md_swap_short(j->addr[0]);
+ j->addr[1] = md_swap_short(j->addr[1]);
+ j->reloc_index = md_swap_short(j->reloc_index);
+ }
+}
+
+#endif /* NEED_SWAP */
diff --git a/gnu/usr.bin/ld/vax/md.h b/gnu/usr.bin/ld/vax/md.h
new file mode 100644
index 00000000000..e05eb618018
--- /dev/null
+++ b/gnu/usr.bin/ld/vax/md.h
@@ -0,0 +1,229 @@
+/* $OpenBSD: md.h,v 1.1 1996/07/27 10:40:01 maja Exp $ */
+/* $NetBSD: md.h,v 1.1 1995/10/19 13:10:20 ragge Exp $ */
+/*
+ * 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.
+ *
+ */
+
+
+#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 1024
+#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)
+
+/* 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;
+
+/*
+ * following defines are untested since VAX doesn't support PIC (yet?)
+ */
+#define JMPABS 0x8F17 /* JMP + immediate mode for address */
+#define JMPREL 0x8F11 /* BRB + immediate mode for displacement */
+#define TRAP 0x00BC /* how to trap ??? CHMK ??? */
+
+/*
+ * 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 */
diff --git a/gnu/usr.bin/ld/vax/mdprologue.S b/gnu/usr.bin/ld/vax/mdprologue.S
new file mode 100644
index 00000000000..a7683fb1c27
--- /dev/null
+++ b/gnu/usr.bin/ld/vax/mdprologue.S
@@ -0,0 +1,3 @@
+/*
+ * VAX doesn't support PIC (yet?)
+ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-17 04:53:40 +0000