all: power64 is now ppc64

Fixes golang#8654.

LGTM=austin
R=austin
CC=golang-codereviews
https://golang.org/cl/180600043

include/link.h

@@ -93,10 +93,10 @@ struct	Prog
 
 	// operands
 	Addr	from;
-	uchar	reg; // arm, power64 only (e.g., ADD from, reg, to);
+	uchar	reg; // arm, ppc64 only (e.g., ADD from, reg, to);
 		     // starts at 0 for both GPRs and FPRs;
-		     // also used for ADATA width on arm, power64
-	Addr	from3; // power64 only (e.g., RLWM/FMADD from, reg, from3, to)
+		     // also used for ADATA width on arm, ppc64
+	Addr	from3; // ppc64 only (e.g., RLWM/FMADD from, reg, from3, to)
 	Addr	to;
 
 	// for 5g, 6g, 8g internal use
@@ -636,8 +636,8 @@ extern	LinkArch	link386;
 extern	LinkArch	linkamd64;
 extern	LinkArch	linkamd64p32;
 extern	LinkArch	linkarm;
-extern	LinkArch	linkpower64;
-extern	LinkArch	linkpower64le;
+extern	LinkArch	linkppc64;
+extern	LinkArch	linkppc64le;
 
 #pragma	varargck	type	"A"	int
 #pragma	varargck	type	"E"	uint

src/cmd/9a/doc.go

@@ -14,8 +14,8 @@ Go-specific considerations are documented at
 
 	http://golang.org/doc/asm
 
-Its target architecture is the Power64, referred to by these tools as
-power64 (big endian) or power64le (little endian).
+Its target architecture is 64-bit PowerPC and Power Architecture processors,
+referred to by these tools as ppc64 (big endian) or ppc64le (little endian).
 
 */
 package main

src/cmd/9a/lex.c

@@ -71,7 +71,7 @@ dodef(char *p)
 	Dlist[nDlist++] = p;
 }
 
-LinkArch*       thelinkarch = &linkpower64;
+LinkArch*       thelinkarch = &linkppc64;
 
 void
 usage(void)
@@ -87,15 +87,15 @@ main(int argc, char *argv[])
 	char *p;
 
 	thechar = '9';
-	thestring = "power64";
+	thestring = "ppc64";
 
 	// Allow GOARCH=thestring or GOARCH=thestringsuffix,
 	// but not other values.	
 	p = getgoarch();
 	if(strncmp(p, thestring, strlen(thestring)) != 0)
 		sysfatal("cannot use %cc with GOARCH=%s", thechar, p);
-	if(strcmp(p, "power64le") == 0)
-		thelinkarch = &linkpower64le;
+	if(strcmp(p, "ppc64le") == 0)
+		thelinkarch = &linkppc64le;
 
 	ctxt = linknew(thelinkarch);
 	ctxt->diag = yyerror;

src/cmd/9g/doc.go

@@ -6,9 +6,9 @@
 
 /*
 
-9g is the version of the gc compiler for the Power64.
-The $GOARCH for these tools is power64 (big endian) or
-power64le (little endian).
+9g is the version of the gc compiler for 64-bit PowerPC or Power Architecture processors.
+The $GOARCH for these tools is ppc64 (big endian) or
+ppc64le (little endian).
 
 It reads .go files and outputs .9 files. The flags are documented in ../gc/doc.go.
 

src/cmd/9g/galign.c

@@ -7,17 +7,17 @@
 #include "gg.h"
 
 int	thechar	= '9';
-char*	thestring = "power64";
+char*	thestring = "ppc64";
 LinkArch*	thelinkarch;
 
 void
 linkarchinit(void)
 {
 	thestring = getgoarch();
-	if(strcmp(thestring, "power64le") == 0)
-		thelinkarch = &linkpower64le;
+	if(strcmp(thestring, "ppc64le") == 0)
+		thelinkarch = &linkppc64le;
 	else
-		thelinkarch = &linkpower64;
+		thelinkarch = &linkppc64;
 }
 
 vlong MAXWIDTH = 1LL<<50;

src/cmd/9g/ggen.c

@@ -212,8 +212,8 @@ ginscall(Node *f, int proc)
 				// However, the stack trace code will show the line
 				// of the instruction byte before the return PC. 
 				// To avoid that being an unrelated instruction,
-				// insert a Power64 NOP that we will have the right line number.
-				// Power64 NOP is really or r0, r0, r0; use that description
+				// insert a ppc64 NOP that we will have the right line number.
+				// The ppc64 NOP is really or r0, r0, r0; use that description
 				// because the NOP pseudo-instruction would be removed by
 				// the linker.
 				nodreg(&reg, types[TINT], D_R0);
@@ -953,7 +953,7 @@ clearfat(Node *nl)
 		f = sysfunc("duffzero");
 		p = gins(ADUFFZERO, N, f);
 		afunclit(&p->to, f);
-		// 4 and 128 = magic constants: see ../../runtime/asm_power64x.s
+		// 4 and 128 = magic constants: see ../../runtime/asm_ppc64x.s
 		p->to.offset = 4*(128-q);
 		// duffzero leaves R3 on the last zeroed dword
 		boff = 8;

src/cmd/9g/peep.c

@@ -935,7 +935,7 @@ copyau1(Prog *p, Addr *v)
 }
 
 // copysub replaces v with s in a if f!=0 or indicates it if could if f==0.
-// Returns 1 on failure to substitute (it always succeeds on power64).
+// Returns 1 on failure to substitute (it always succeeds on ppc64).
 static int
 copysub(Addr *a, Addr *v, Addr *s, int f)
 {
@@ -946,7 +946,7 @@ copysub(Addr *a, Addr *v, Addr *s, int f)
 }
 
 // copysub1 replaces v with s in p1->reg if f!=0 or indicates if it could if f==0.
-// Returns 1 on failure to substitute (it always succeeds on power64).
+// Returns 1 on failure to substitute (it always succeeds on ppc64).
 static int
 copysub1(Prog *p1, Addr *v, Addr *s, int f)
 {

src/cmd/9l/asm.c

@@ -129,7 +129,7 @@ archreloc(Reloc *r, LSym *s, vlong *val)
 		*val = symaddr(r->sym) + r->add - symaddr(linklookup(ctxt, ".got", 0));
 		return 0;
 	case R_ADDRPOWER:
-		// r->add is two power64 instructions holding an immediate 32-bit constant.
+		// r->add is two ppc64 instructions holding an immediate 32-bit constant.
 		// We want to add r->sym's address to that constant.
 		// The encoding of the immediate x<<16 + y,
 		// where x is the low 16 bits of the first instruction and y is the low 16

src/cmd/9l/doc.go

@@ -6,9 +6,9 @@
 
 /*
 
-9l is the linker for the Power64.
-The $GOARCH for these tools is power64 (big endian) or
-power64le (little endian).
+9l is the linker for 64-bit PowerPC and Power Architecture processors.
+The $GOARCH for these tools is ppc64 (big endian) or
+ppc64le (little endian).
 
 The flags are documented in ../ld/doc.go.
 

src/cmd/9l/obj.c

@@ -36,17 +36,17 @@
 #include	"../ld/dwarf.h"
 #include	<ar.h>
 
-char *thestring = "power64";
+char *thestring = "ppc64";
 LinkArch *thelinkarch;
 
 void
 linkarchinit(void)
 {
 	thestring = getgoarch();
-	if(strcmp(thestring, "power64le") == 0)
-		thelinkarch = &linkpower64le;
+	if(strcmp(thestring, "ppc64le") == 0)
+		thelinkarch = &linkppc64le;
 	else
-		thelinkarch = &linkpower64;
+		thelinkarch = &linkppc64;
 }
 
 void
@@ -79,7 +79,7 @@ archinit(void)
 		if(INITRND == -1)
 			INITRND = 4096;
 		break;
-	case Hlinux:	/* power64 elf */
+	case Hlinux:	/* ppc64 elf */
 		debug['d'] = 1;	// TODO(minux): dynamic linking is not supported yet.
 		elfinit();
 		HEADR = ELFRESERVE;

src/cmd/cgo/main.go

@@ -130,23 +130,19 @@ func usage() {
 }
 
 var ptrSizeMap = map[string]int64{
-	"386":       4,
-	"amd64":     8,
-	"arm":       4,
-	"ppc64":     8,
-	"ppc64le":   8,
-	"power64":   8,
-	"power64le": 8,
+	"386":     4,
+	"amd64":   8,
+	"arm":     4,
+	"ppc64":   8,
+	"ppc64le": 8,
 }
 
 var intSizeMap = map[string]int64{
-	"386":       4,
-	"amd64":     8,
-	"arm":       4,
-	"ppc64":     8,
-	"ppc64le":   8,
-	"power64":   8,
-	"power64le": 8,
+	"386":     4,
+	"amd64":   8,
+	"arm":     4,
+	"ppc64":   8,
+	"ppc64le": 8,
 }
 
 var cPrefix string

src/cmd/dist/build.c

@@ -48,8 +48,8 @@ static char *okgoarch[] = {
 	"amd64",
 	"amd64p32",
 	"386",
-	"power64",
-	"power64le",
+	"ppc64",
+	"ppc64le",
 };
 
 // The known operating systems.

src/cmd/dist/unix.c

@@ -709,9 +709,9 @@ main(int argc, char **argv)
 		else if(contains(u.machine, "arm"))
 			gohostarch = "arm";
 		else if(contains(u.machine, "ppc64le"))
-			gohostarch = "power64le";
+			gohostarch = "ppc64le";
 		else if(contains(u.machine, "ppc64"))
-			gohostarch = "power64";
+			gohostarch = "ppc64";
 		else
 			fatal("unknown architecture: %s", u.machine);
 	}

src/cmd/internal/objfile/disasm.go

@@ -240,9 +240,9 @@ var disasms = map[string]disasmFunc{
 }
 
 var byteOrders = map[string]binary.ByteOrder{
-	"386":       binary.LittleEndian,
-	"amd64":     binary.LittleEndian,
-	"arm":       binary.LittleEndian,
-	"power64":   binary.BigEndian,
-	"power64le": binary.LittleEndian,
+	"386":     binary.LittleEndian,
+	"amd64":   binary.LittleEndian,
+	"arm":     binary.LittleEndian,
+	"ppc64":   binary.BigEndian,
+	"ppc64le": binary.LittleEndian,
 }

src/cmd/internal/objfile/elf.go

@@ -98,7 +98,7 @@ func (f *elfFile) goarch() string {
 	case elf.EM_ARM:
 		return "arm"
 	case elf.EM_PPC64:
-		return "power64"
+		return "ppc64"
 	}
 	return ""
 }

src/cmd/internal/objfile/macho.go

@@ -104,7 +104,7 @@ func (f *machoFile) goarch() string {
 	case macho.CpuArm:
 		return "arm"
 	case macho.CpuPpc64:
-		return "power64"
+		return "ppc64"
 	}
 	return ""
 }

src/cmd/ld/ldelf.c

@@ -62,7 +62,7 @@ enum
 	ElfMachSparc32Plus,	/* SPARC V8+ */
 	ElfMach960,		/* Intel 80960 */
 	ElfMachPower,		/* PowerPC */
-	ElfMachPower64,	/* PowerPC 64 */
+	ElfMachPower64,	/* PowerPC 64-bit */
 	ElfMachS390,		/* IBM System/390 */
 	ElfMachV800 = 36,	/* NEC V800 */
 	ElfMachFr20,		/* Fujitsu FR20 */
@@ -438,7 +438,7 @@ ldelf(Biobuf *f, char *pkg, int64 len, char *pn)
 		break;
 	case '9':
 		if(obj->machine != ElfMachPower64 || hdr->ident[4] != ElfClass64) {
-			diag("%s: elf object but not power64", pn);
+			diag("%s: elf object but not ppc64", pn);
 			return;
 		}
 		break;

src/cmd/objdump/objdump_test.go

@@ -102,7 +102,7 @@ func testDisasm(t *testing.T, flags ...string) {
 
 func TestDisasm(t *testing.T) {
 	switch runtime.GOARCH {
-	case "power64", "power64le":
+	case "ppc64", "ppc64le":
 		t.Skipf("skipping on %s, issue 9039", runtime.GOARCH)
 	}
 	testDisasm(t)
@@ -114,7 +114,7 @@ func TestDisasmExtld(t *testing.T) {
 		t.Skipf("skipping on %s", runtime.GOOS)
 	}
 	switch runtime.GOARCH {
-	case "power64", "power64le":
+	case "ppc64", "ppc64le":
 		t.Skipf("skipping on %s, no support for external linking, issue 9038", runtime.GOARCH)
 	}
 	testDisasm(t, "-ldflags=-linkmode=external")

src/debug/elf/elf.go

@@ -1414,7 +1414,7 @@ var rppcStrings = []intName{
 func (i R_PPC) String() string   { return stringName(uint32(i), rppcStrings, false) }
 func (i R_PPC) GoString() string { return stringName(uint32(i), rppcStrings, true) }
 
-// Relocation types for PowerPC 64.
+// Relocation types for 64-bit PowerPC or Power Architecture processors.
 type R_PPC64 int
 
 const (

src/go/build/build.go

@@ -1386,7 +1386,7 @@ func ArchChar(goarch string) (string, error) {
 		return "6", nil
 	case "arm":
 		return "5", nil
-	case "power64", "power64le":
+	case "ppc64", "ppc64le":
 		return "9", nil
 	}
 	return "", errors.New("unsupported GOARCH " + goarch)

src/go/build/syslist.go

@@ -5,4 +5,4 @@
 package build
 
 const goosList = "android darwin dragonfly freebsd linux nacl netbsd openbsd plan9 solaris windows "
-const goarchList = "386 amd64 amd64p32 arm power64 power64le "
+const goarchList = "386 amd64 amd64p32 arm ppc64 ppc64le "

src/hash/crc32/crc32_generic.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build 386 arm power64 power64le
+// +build 386 arm ppc64 ppc64le
 
 package crc32
 

src/liblink/obj9.c

@@ -484,7 +484,7 @@ addstacksplit(Link *ctxt, LSym *cursym)
 				//	NOP
 				//
 				// The NOP is needed to give the jumps somewhere to land.
-				// It is a liblink NOP, not a Power64 NOP: it encodes to 0 instruction bytes.
+				// It is a liblink NOP, not a ppc64 NOP: it encodes to 0 instruction bytes.
 
 
 				q = appendp(ctxt, q);
@@ -988,8 +988,8 @@ prg(void)
 	return p;
 }
 
-LinkArch linkpower64 = {
-	.name = "power64",
+LinkArch linkppc64 = {
+	.name = "ppc64",
 	.thechar = '9',
 	.endian = BigEndian,
 
@@ -1035,8 +1035,8 @@ LinkArch linkpower64 = {
 	.AUSEFIELD = AUSEFIELD,
 };
 
-LinkArch linkpower64le = {
-	.name = "power64le",
+LinkArch linkppc64le = {
+	.name = "ppc64le",
 	.thechar = '9',
 	.endian = LittleEndian,
 

src/math/abs_power64x.s → src/math/abs_ppc64x.s

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build power64 power64le
+// +build ppc64 ppc64le
 
 #include "textflag.h"
 

src/math/big/arith_power64x.s → src/math/big/arith_ppc64x.s

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build power64 power64le
+// +build ppc64 ppc64le
 
 #include "textflag.h"