1// cmd/9l/list.c from Vita Nuova.
2//
3//	Copyright © 1994-1999 Lucent Technologies Inc.  All rights reserved.
4//	Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
5//	Portions Copyright © 1997-1999 Vita Nuova Limited
6//	Portions Copyright © 2000-2008 Vita Nuova Holdings Limited (www.vitanuova.com)
7//	Portions Copyright © 2004,2006 Bruce Ellis
8//	Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
9//	Revisions Copyright © 2000-2008 Lucent Technologies Inc. and others
10//	Portions Copyright © 2009 The Go Authors. All rights reserved.
11//
12// Permission is hereby granted, free of charge, to any person obtaining a copy
13// of this software and associated documentation files (the "Software"), to deal
14// in the Software without restriction, including without limitation the rights
15// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
16// copies of the Software, and to permit persons to whom the Software is
17// furnished to do so, subject to the following conditions:
18//
19// The above copyright notice and this permission notice shall be included in
20// all copies or substantial portions of the Software.
21//
22// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
23// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
25// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
27// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
28// THE SOFTWARE.
29
30package ppc64
31
32import (
33	"cmd/internal/obj"
34	"fmt"
35)
36
37func init() {
38	obj.RegisterRegister(obj.RBasePPC64, REG_DCR0+1024, rconv)
39	obj.RegisterOpcode(obj.ABasePPC64, Anames)
40}
41
42func rconv(r int) string {
43	if r == 0 {
44		return "NONE"
45	}
46	if r == REGG {
47		// Special case.
48		return "g"
49	}
50	if REG_R0 <= r && r <= REG_R31 {
51		return fmt.Sprintf("R%d", r-REG_R0)
52	}
53	if REG_F0 <= r && r <= REG_F31 {
54		return fmt.Sprintf("F%d", r-REG_F0)
55	}
56	if REG_V0 <= r && r <= REG_V31 {
57		return fmt.Sprintf("V%d", r-REG_V0)
58	}
59	if REG_VS0 <= r && r <= REG_VS63 {
60		return fmt.Sprintf("VS%d", r-REG_VS0)
61	}
62	if REG_CR0 <= r && r <= REG_CR7 {
63		return fmt.Sprintf("CR%d", r-REG_CR0)
64	}
65	if r == REG_CR {
66		return "CR"
67	}
68	if REG_SPR0 <= r && r <= REG_SPR0+1023 {
69		switch r {
70		case REG_XER:
71			return "XER"
72
73		case REG_LR:
74			return "LR"
75
76		case REG_CTR:
77			return "CTR"
78		}
79
80		return fmt.Sprintf("SPR(%d)", r-REG_SPR0)
81	}
82
83	if REG_DCR0 <= r && r <= REG_DCR0+1023 {
84		return fmt.Sprintf("DCR(%d)", r-REG_DCR0)
85	}
86	if r == REG_FPSCR {
87		return "FPSCR"
88	}
89	if r == REG_MSR {
90		return "MSR"
91	}
92
93	return fmt.Sprintf("Rgok(%d)", r-obj.RBasePPC64)
94}
95
96func DRconv(a int) string {
97	s := "C_??"
98	if a >= C_NONE && a <= C_NCLASS {
99		s = cnames9[a]
100	}
101	var fp string
102	fp += s
103	return fp
104}
105