1// Inferno utils/5l/obj.c
2// https://bitbucket.org/inferno-os/inferno-os/src/default/utils/5l/obj.c
3//
4//	Copyright © 1994-1999 Lucent Technologies Inc.  All rights reserved.
5//	Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
6//	Portions Copyright © 1997-1999 Vita Nuova Limited
7//	Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
8//	Portions Copyright © 2004,2006 Bruce Ellis
9//	Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
10//	Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
11//	Portions Copyright © 2016 The Go Authors. All rights reserved.
12//
13// Permission is hereby granted, free of charge, to any person obtaining a copy
14// of this software and associated documentation files (the "Software"), to deal
15// in the Software without restriction, including without limitation the rights
16// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
17// copies of the Software, and to permit persons to whom the Software is
18// furnished to do so, subject to the following conditions:
19//
20// The above copyright notice and this permission notice shall be included in
21// all copies or substantial portions of the Software.
22//
23// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
26// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
27// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
28// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
29// THE SOFTWARE.
30
31package mips
32
33import (
34	"cmd/internal/objabi"
35	"cmd/internal/sys"
36	"cmd/link/internal/ld"
37	"fmt"
38)
39
40// Reading object files.
41
42func Init() {
43	if objabi.GOARCH == "mipsle" {
44		ld.SysArch = sys.ArchMIPSLE
45	} else {
46		ld.SysArch = sys.ArchMIPS
47	}
48
49	ld.Thearch.Funcalign = FuncAlign
50	ld.Thearch.Maxalign = MaxAlign
51	ld.Thearch.Minalign = MinAlign
52	ld.Thearch.Dwarfregsp = DWARFREGSP
53	ld.Thearch.Dwarfreglr = DWARFREGLR
54
55	ld.Thearch.Adddynrel = adddynrel
56	ld.Thearch.Archinit = archinit
57	ld.Thearch.Archreloc = archreloc
58	ld.Thearch.Archrelocvariant = archrelocvariant
59	ld.Thearch.Asmb = asmb
60	ld.Thearch.Elfreloc1 = elfreloc1
61	ld.Thearch.Elfsetupplt = elfsetupplt
62	ld.Thearch.Gentext = gentext
63	ld.Thearch.Machoreloc1 = machoreloc1
64	if ld.SysArch == sys.ArchMIPSLE {
65		ld.Thearch.Lput = ld.Lputl
66		ld.Thearch.Wput = ld.Wputl
67		ld.Thearch.Vput = ld.Vputl
68		ld.Thearch.Append16 = ld.Append16l
69		ld.Thearch.Append32 = ld.Append32l
70		ld.Thearch.Append64 = ld.Append64l
71	} else {
72		ld.Thearch.Lput = ld.Lputb
73		ld.Thearch.Wput = ld.Wputb
74		ld.Thearch.Vput = ld.Vputb
75		ld.Thearch.Append16 = ld.Append16b
76		ld.Thearch.Append32 = ld.Append32b
77		ld.Thearch.Append64 = ld.Append64b
78	}
79
80	ld.Thearch.Linuxdynld = "/lib/ld.so.1"
81
82	ld.Thearch.Freebsddynld = "XXX"
83	ld.Thearch.Openbsddynld = "XXX"
84	ld.Thearch.Netbsddynld = "XXX"
85	ld.Thearch.Dragonflydynld = "XXX"
86	ld.Thearch.Solarisdynld = "XXX"
87}
88
89func archinit(ctxt *ld.Link) {
90	switch ld.Headtype {
91	default:
92		ld.Exitf("unknown -H option: %v", ld.Headtype)
93	case objabi.Hlinux: /* mips elf */
94		ld.Elfinit(ctxt)
95		ld.HEADR = ld.ELFRESERVE
96		if *ld.FlagTextAddr == -1 {
97			*ld.FlagTextAddr = 0x10000 + int64(ld.HEADR)
98		}
99		if *ld.FlagDataAddr == -1 {
100			*ld.FlagDataAddr = 0
101		}
102		if *ld.FlagRound == -1 {
103			*ld.FlagRound = 0x10000
104		}
105	}
106
107	if *ld.FlagDataAddr != 0 && *ld.FlagRound != 0 {
108		fmt.Printf("warning: -D0x%x is ignored because of -R0x%x\n", uint64(*ld.FlagDataAddr), uint32(*ld.FlagRound))
109	}
110}
111