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// Inferno utils/5l/obj.c
// http://code.google.com/p/inferno-os/source/browse/utils/5l/obj.c
//
// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
// Portions Copyright © 1997-1999 Vita Nuova Limited
// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
// Portions Copyright © 2004,2006 Bruce Ellis
// Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
// Revisions Copyright © 2000-2007 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.
// Reading object files.
#include "l.h"
#include "../ld/lib.h"
#include "../ld/elf.h"
#include "../ld/dwarf.h"
#include <ar.h>
char *thestring = "ppc64";
LinkArch *thelinkarch;
void
linkarchinit(void)
{
thestring = getgoarch();
if(strcmp(thestring, "ppc64le") == 0)
thelinkarch = &linkppc64le;
else
thelinkarch = &linkppc64;
}
void
archinit(void)
{
// getgoextlinkenabled is based on GO_EXTLINK_ENABLED when
// Go was built; see ../../make.bash.
if(linkmode == LinkAuto && strcmp(getgoextlinkenabled(), "0") == 0)
linkmode = LinkInternal;
switch(HEADTYPE) {
default:
if(linkmode == LinkAuto)
linkmode = LinkInternal;
if(linkmode == LinkExternal && strcmp(getgoextlinkenabled(), "1") != 0)
sysfatal("cannot use -linkmode=external with -H %s", headstr(HEADTYPE));
break;
}
switch(HEADTYPE) {
default:
diag("unknown -H option");
errorexit();
case Hplan9: /* plan 9 */
HEADR = 32L;
if(INITTEXT == -1)
INITTEXT = 4128;
if(INITDAT == -1)
INITDAT = 0;
if(INITRND == -1)
INITRND = 4096;
break;
case Hlinux: /* ppc64 elf */
debug['d'] = 1; // TODO(minux): dynamic linking is not supported yet.
elfinit();
HEADR = ELFRESERVE;
if(INITTEXT == -1)
INITTEXT = 0x10000 + HEADR;
if(INITDAT == -1)
INITDAT = 0;
if(INITRND == -1)
INITRND = 0x10000;
break;
case Hnacl:
elfinit();
HEADR = 0x10000;
funcalign = 16;
if(INITTEXT == -1)
INITTEXT = 0x20000;
if(INITDAT == -1)
INITDAT = 0;
if(INITRND == -1)
INITRND = 0x10000;
break;
}
if(INITDAT != 0 && INITRND != 0)
print("warning: -D0x%ux is ignored because of -R0x%ux\n",
INITDAT, INITRND);
}
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