1// Inferno utils/5l/obj.c
2// https://bitbucket.org/inferno-os/inferno-os/src/master/utils/5l/obj.c
3//
4//	Copyright © 1994-1999 Lucent Technologies Inc.  All rights reserved.
5//	Portions Copyright © 1995-1997 C H Forsyth ([email protected])
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 ([email protected])
10//	Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
11//	Portions Copyright © 2009 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 ppc64
32
33import (
34	"cmd/internal/objabi"
35	"cmd/internal/sys"
36	"cmd/link/internal/ld"
37	"internal/buildcfg"
38)
39
40func Init() (*sys.Arch, ld.Arch) {
41	arch := sys.ArchPPC64LE
42	dynld := "/lib64/ld64.so.2"
43	musl := "/lib/ld-musl-powerpc64le.so.1"
44
45	if buildcfg.GOARCH == "ppc64" {
46		arch = sys.ArchPPC64
47		dynld = "/lib64/ld64.so.1"
48		musl = "/lib/ld-musl-powerpc64.so.1"
49	}
50
51	theArch := ld.Arch{
52		Funcalign:  funcAlign,
53		Maxalign:   maxAlign,
54		Minalign:   minAlign,
55		Dwarfregsp: dwarfRegSP,
56		Dwarfreglr: dwarfRegLR,
57		TrampLimit: 0x1c00000,
58
59		Adddynrel:        adddynrel,
60		Archinit:         archinit,
61		Archreloc:        archreloc,
62		Archrelocvariant: archrelocvariant,
63		Extreloc:         extreloc,
64		Gentext:          gentext,
65		Trampoline:       trampoline,
66		Machoreloc1:      machoreloc1,
67		Xcoffreloc1:      xcoffreloc1,
68
69		ELF: ld.ELFArch{
70			Linuxdynld:     dynld,
71			LinuxdynldMusl: musl,
72
73			Freebsddynld:   "XXX",
74			Openbsddynld:   "/usr/libexec/ld.so",
75			Netbsddynld:    "XXX",
76			Dragonflydynld: "XXX",
77			Solarisdynld:   "XXX",
78
79			Reloc1:    elfreloc1,
80			RelocSize: 24,
81			SetupPLT:  elfsetupplt,
82		},
83	}
84
85	return arch, theArch
86}
87
88func archinit(ctxt *ld.Link) {
89	switch ctxt.HeadType {
90	default:
91		ld.Exitf("unknown -H option: %v", ctxt.HeadType)
92
93	case objabi.Hplan9: /* plan 9 */
94		ld.HEADR = 32
95		if *ld.FlagRound == -1 {
96			*ld.FlagRound = 4096
97		}
98		if *ld.FlagTextAddr == -1 {
99			*ld.FlagTextAddr = ld.Rnd(4096, *ld.FlagRound) + int64(ld.HEADR)
100		}
101
102	case objabi.Hlinux, /* ppc64 elf */
103		objabi.Hopenbsd:
104		ld.Elfinit(ctxt)
105		ld.HEADR = ld.ELFRESERVE
106		if *ld.FlagRound == -1 {
107			*ld.FlagRound = 0x10000
108		}
109		if *ld.FlagTextAddr == -1 {
110			*ld.FlagTextAddr = ld.Rnd(0x10000, *ld.FlagRound) + int64(ld.HEADR)
111		}
112
113	case objabi.Haix:
114		ld.Xcoffinit(ctxt)
115	}
116}
117