Add gops agent

vendor/github.com/google/gops/internal/obj/arm64/list7.go

@@ -0,0 +1,115 @@
+// cmd/7l/list.c and cmd/7l/sub.c from Vita Nuova.
+// https://code.google.com/p/ken-cc/source/browse/
+//
+// 	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.
+
+package arm64
+
+import (
+	"fmt"
+
+	"github.com/google/gops/internal/obj"
+)
+
+var strcond = [16]string{
+	"EQ",
+	"NE",
+	"HS",
+	"LO",
+	"MI",
+	"PL",
+	"VS",
+	"VC",
+	"HI",
+	"LS",
+	"GE",
+	"LT",
+	"GT",
+	"LE",
+	"AL",
+	"NV",
+}
+
+func init() {
+	obj.RegisterRegister(obj.RBaseARM64, REG_SPECIAL+1024, Rconv)
+	obj.RegisterOpcode(obj.ABaseARM64, Anames)
+}
+
+func Rconv(r int) string {
+	if r == REGG {
+		return "g"
+	}
+	switch {
+	case REG_R0 <= r && r <= REG_R30:
+		return fmt.Sprintf("R%d", r-REG_R0)
+	case r == REG_R31:
+		return "ZR"
+	case REG_F0 <= r && r <= REG_F31:
+		return fmt.Sprintf("F%d", r-REG_F0)
+	case REG_V0 <= r && r <= REG_V31:
+		return fmt.Sprintf("V%d", r-REG_V0)
+	case COND_EQ <= r && r <= COND_NV:
+		return strcond[r-COND_EQ]
+	case r == REGSP:
+		return "RSP"
+	case r == REG_DAIF:
+		return "DAIF"
+	case r == REG_NZCV:
+		return "NZCV"
+	case r == REG_FPSR:
+		return "FPSR"
+	case r == REG_FPCR:
+		return "FPCR"
+	case r == REG_SPSR_EL1:
+		return "SPSR_EL1"
+	case r == REG_ELR_EL1:
+		return "ELR_EL1"
+	case r == REG_SPSR_EL2:
+		return "SPSR_EL2"
+	case r == REG_ELR_EL2:
+		return "ELR_EL2"
+	case r == REG_CurrentEL:
+		return "CurrentEL"
+	case r == REG_SP_EL0:
+		return "SP_EL0"
+	case r == REG_SPSel:
+		return "SPSel"
+	case r == REG_DAIFSet:
+		return "DAIFSet"
+	case r == REG_DAIFClr:
+		return "DAIFClr"
+	}
+	return fmt.Sprintf("badreg(%d)", r)
+}
+
+func DRconv(a int) string {
+	if a >= C_NONE && a <= C_NCLASS {
+		return cnames7[a]
+	}
+	return "C_??"
+}