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-rw-r--r--src/libmach/access.c241
1 files changed, 0 insertions, 241 deletions
diff --git a/src/libmach/access.c b/src/libmach/access.c
deleted file mode 100644
index 0ee75d148..000000000
--- a/src/libmach/access.c
+++ /dev/null
@@ -1,241 +0,0 @@
-// Inferno libmach/access.c
-// http://code.google.com/p/inferno-os/source/browse/utils/libmach/access.c
-//
-// Copyright © 1994-1999 Lucent Technologies Inc.
-// Power PC support Copyright © 1995-2004 C H Forsyth (forsyth@terzarima.net).
-// Portions Copyright © 1997-1999 Vita Nuova Limited.
-// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com).
-// Revisions Copyright © 2000-2004 Lucent Technologies Inc. and others.
-// Portions Copyright © 2009 The Go Authors. All rights reserved.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-
-/*
- * functions to read and write an executable or file image
- */
-
-#include <u.h>
-#include <libc.h>
-#include <bio.h>
-#include <mach.h>
-
-static int mget(Map*, uvlong, void*, int);
-static int mput(Map*, uvlong, void*, int);
-static Seg* reloc(Map*, uvlong, vlong*);
-
-/*
- * routines to get/put various types
- */
-int
-geta(Map *map, uvlong addr, uvlong *x)
-{
- uint32 l;
- uvlong vl;
-
- if (mach->szaddr == 8){
- if (get8(map, addr, &vl) < 0)
- return -1;
- *x = vl;
- return 1;
- }
-
- if (get4(map, addr, &l) < 0)
- return -1;
- *x = l;
-
- return 1;
-}
-
-int
-get8(Map *map, uvlong addr, uvlong *x)
-{
- if (!map) {
- werrstr("get8: invalid map");
- return -1;
- }
-
- if (map->nsegs == 1 && map->seg[0].fd < 0) {
- *x = addr;
- return 1;
- }
- if (mget(map, addr, x, 8) < 0)
- return -1;
- *x = machdata->swav(*x);
- return 1;
-}
-
-int
-get4(Map *map, uvlong addr, uint32 *x)
-{
- if (!map) {
- werrstr("get4: invalid map");
- return -1;
- }
-
- if (map->nsegs == 1 && map->seg[0].fd < 0) {
- *x = addr;
- return 1;
- }
- if (mget(map, addr, x, 4) < 0)
- return -1;
- *x = machdata->swal(*x);
- return 1;
-}
-
-int
-get2(Map *map, uvlong addr, ushort *x)
-{
- if (!map) {
- werrstr("get2: invalid map");
- return -1;
- }
-
- if (map->nsegs == 1 && map->seg[0].fd < 0) {
- *x = addr;
- return 1;
- }
- if (mget(map, addr, x, 2) < 0)
- return -1;
- *x = machdata->swab(*x);
- return 1;
-}
-
-int
-get1(Map *map, uvlong addr, uchar *x, int size)
-{
- uchar *cp;
-
- if (!map) {
- werrstr("get1: invalid map");
- return -1;
- }
-
- if (map->nsegs == 1 && map->seg[0].fd < 0) {
- cp = (uchar*)&addr;
- while (cp < (uchar*)(&addr+1) && size-- > 0)
- *x++ = *cp++;
- while (size-- > 0)
- *x++ = 0;
- } else
- return mget(map, addr, x, size);
- return 1;
-}
-
-int
-puta(Map *map, uvlong addr, uvlong v)
-{
- if (mach->szaddr == 8)
- return put8(map, addr, v);
-
- return put4(map, addr, v);
-}
-
-int
-put8(Map *map, uvlong addr, uvlong v)
-{
- if (!map) {
- werrstr("put8: invalid map");
- return -1;
- }
- v = machdata->swav(v);
- return mput(map, addr, &v, 8);
-}
-
-int
-put4(Map *map, uvlong addr, uint32 v)
-{
- if (!map) {
- werrstr("put4: invalid map");
- return -1;
- }
- v = machdata->swal(v);
- return mput(map, addr, &v, 4);
-}
-
-int
-put2(Map *map, uvlong addr, ushort v)
-{
- if (!map) {
- werrstr("put2: invalid map");
- return -1;
- }
- v = machdata->swab(v);
- return mput(map, addr, &v, 2);
-}
-
-int
-put1(Map *map, uvlong addr, uchar *v, int size)
-{
- if (!map) {
- werrstr("put1: invalid map");
- return -1;
- }
- return mput(map, addr, v, size);
-}
-
-static int
-mget(Map *map, uvlong addr, void *buf, int size)
-{
- uvlong off;
- Seg *s;
-
- s = reloc(map, addr, (vlong*)&off);
- if (!s)
- return -1;
- if (s->rw == nil) {
- werrstr("unreadable map");
- return -1;
- }
- return s->rw(map, s, off, buf, size, 1);
-}
-
-static int
-mput(Map *map, uvlong addr, void *buf, int size)
-{
- vlong off;
- Seg *s;
-
- s = reloc(map, addr, &off);
- if (!s)
- return -1;
- if (s->rw == nil) {
- werrstr("unwritable map");
- return -1;
- }
- return s->rw(map, s, off, buf, size, 0);
-}
-
-/*
- * convert address to file offset; returns nonzero if ok
- */
-static Seg*
-reloc(Map *map, uvlong addr, vlong *offp)
-{
- int i;
-
- for (i = 0; i < map->nsegs; i++) {
- if (map->seg[i].inuse)
- if (map->seg[i].b <= addr && addr < map->seg[i].e) {
- *offp = addr + map->seg[i].f - map->seg[i].b;
- return &map->seg[i];
- }
- }
- werrstr("can't translate address %llux", addr);
- return 0;
-}