cmd/5l etc: replace C code with Go code

mv cmd/new5l cmd/5l and so on.

Minimal changes to cmd/dist and cmd/go to keep things building.
More can be deleted in followup CLs.

Change-Id: I1449eca7654ce2580d1f413a56dc4a75f3d4618b
Reviewed-on: https://go-review.googlesource.com/6361
Reviewed-by: Rob Pike <r@golang.org>

1 files changed, 0 insertions, 198 deletions

diff --git a/src/cmd/ld/pobj.c b/src/cmd/ld/pobj.c
deleted file mode 100644
index f3bab30a50..0000000000
--- a/src/cmd/ld/pobj.c
+++ /dev/null
@@ -1,198 +0,0 @@
-// Inferno utils/6l/obj.c
-// http://code.google.com/p/inferno-os/source/browse/utils/6l/obj.c
-//
-//	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.
-
-// Reading object files.
-
-#define	EXTERN
-#include	<u.h>
-#include	<libc.h>
-#include	<bio.h>
-#include	<link.h>
-#include	"lib.h"
-#include	"elf.h"
-#include	"macho.h"
-#include	"dwarf.h"
-#include	"pe.h"
-#include	<ar.h>
-
-char	*noname		= "<none>";
-char*	paramspace	= "FP";
-
-void
-ldmain(int argc, char **argv)
-{
-	int i;
-
-	ctxt = linknew(thelinkarch);
-	ctxt->thechar = thearch.thechar;
-	ctxt->thestring = thestring;
-	ctxt->diag = diag;
-	ctxt->bso = &bso;
-
-	Binit(&bso, 1, OWRITE);
-	memset(debug, 0, sizeof(debug));
-	nerrors = 0;
-	outfile = nil;
-	HEADTYPE = -1;
-	INITTEXT = -1;
-	INITDAT = -1;
-	INITRND = -1;
-	INITENTRY = 0;
-	linkmode = LinkAuto;
-	
-	// For testing behavior of go command when tools crash.
-	// Undocumented, not in standard flag parser to avoid
-	// exposing in usage message.
-	for(i=1; i<argc; i++)
-		if(strcmp(argv[i], "-crash_for_testing") == 0)
-			*(volatile int*)0 = 0;
-	
-	if(thearch.thechar == '5' && ctxt->goarm == 5)
-		debug['F'] = 1;
-
-	flagcount("1", "use alternate profiling code", &debug['1']);
-	if(thearch.thechar == '6')
-		flagcount("8", "assume 64-bit addresses", &debug['8']);
-	flagfn1("B", "info: define ELF NT_GNU_BUILD_ID note", addbuildinfo);
-	flagcount("C", "check Go calls to C code", &debug['C']);
-	flagint64("D", "addr: data address", &INITDAT);
-	flagstr("E", "sym: entry symbol", &INITENTRY);
-	if(thearch.thechar == '5')
-		flagcount("G", "debug pseudo-ops", &debug['G']);
-	flagfn1("I", "interp: set ELF interp", setinterp);
-	flagfn1("L", "dir: add dir to library path", Lflag);
-	flagfn1("H", "head: header type", setheadtype);
-	flagcount("K", "add stack underflow checks", &debug['K']);
-	if(thearch.thechar == '5')
-		flagcount("M", "disable software div/mod", &debug['M']);
-	flagcount("O", "print pc-line tables", &debug['O']);
-	flagcount("Q", "debug byte-register code gen", &debug['Q']);
-	if(thearch.thechar == '5')
-		flagcount("P", "debug code generation", &debug['P']);
-	flagint32("R", "rnd: address rounding", &INITRND);
-	flagcount("nil", "check type signatures", &debug['S']);
-	flagint64("T", "addr: text address", &INITTEXT);
-	flagfn0("V", "print version and exit", doversion);
-	flagcount("W", "disassemble input", &debug['W']);
-	flagfn2("X", "name value: define string data", addstrdata);
-	flagcount("Z", "clear stack frame on entry", &debug['Z']);
-	flagcount("a", "disassemble output", &debug['a']);
-	flagcount("c", "dump call graph", &debug['c']);
-	flagcount("d", "disable dynamic executable", &debug['d']);
-	flagstr("extld", "ld: linker to run in external mode", &extld);
-	flagstr("extldflags", "ldflags: flags for external linker", &extldflags);
-	flagcount("f", "ignore version mismatch", &debug['f']);
-	flagcount("g", "disable go package data checks", &debug['g']);
-	flagstr("installsuffix", "suffix: pkg directory suffix", &flag_installsuffix);
-	flagstr("k", "sym: set field tracking symbol", &tracksym);
-	flagfn1("linkmode", "mode: set link mode (internal, external, auto)", setlinkmode);
-	flagcount("n", "dump symbol table", &debug['n']);
-	flagstr("o", "outfile: set output file", &outfile);
-	flagstr("r", "dir1:dir2:...: set ELF dynamic linker search path", &rpath);
-	flagcount("race", "enable race detector", &flag_race);
-	flagcount("s", "disable symbol table", &debug['s']);
-	if(thearch.thechar == '5' || thearch.thechar == '6')
-		flagcount("shared", "generate shared object (implies -linkmode external)", &flag_shared);
-	flagstr("tmpdir", "dir: leave temporary files in this directory", &tmpdir);
-	flagcount("u", "reject unsafe packages", &debug['u']);
-	flagcount("v", "print link trace", &debug['v']);
-	flagcount("w", "disable DWARF generation", &debug['w']);
-	
-	flagparse(&argc, &argv, usage);
-	ctxt->bso = &bso;
-	ctxt->debugvlog = debug['v'];
-
-	if(argc != 1)
-		usage();
-
-	if(outfile == nil) {
-		if(HEADTYPE == Hwindows)
-			outfile = smprint("%c.out.exe", thearch.thechar);
-		else
-			outfile = smprint("%c.out", thearch.thechar);
-	}
-	libinit(); // creates outfile
-
-	if(HEADTYPE == -1)
-		HEADTYPE = headtype(goos);
-	ctxt->headtype = HEADTYPE;
-	if(headstring == nil)
-		headstring = headstr(HEADTYPE);
-
-	thearch.archinit();
-
-	if(debug['v'])
-		Bprint(&bso, "HEADER = -H%d -T0x%llux -D0x%llux -R0x%ux\n",
-			HEADTYPE, INITTEXT, INITDAT, INITRND);
-	Bflush(&bso);
-
-	addlibpath(ctxt, "command line", "command line", argv[0], "main");
-	loadlib();
-	
-	if(thearch.thechar == '5') {
-		// mark some functions that are only referenced after linker code editing
-		if(debug['F'])
-			mark(linkrlookup(ctxt, "_sfloat", 0));
-		mark(linklookup(ctxt, "runtime.read_tls_fallback", 0));
-	}
-
-	checkgo();
-	deadcode();
-	callgraph();
-	paramspace = "SP";	/* (FP) now (SP) on output */
-
-	doelf();
-	if(HEADTYPE == Hdarwin)
-		domacho();
-	dostkcheck();
-	if(HEADTYPE == Hwindows)
-		dope();
-	addexport();
-	thearch.gentext();		// trampolines, call stubs, etc.
-	textaddress();
-	pclntab();
-	findfunctab();
-	symtab();
-	dodata();
-	address();
-	doweak();
-	reloc();
-	thearch.asmb();
-	undef();
-	hostlink();
-	if(debug['v']) {
-		Bprint(&bso, "%5.2f cpu time\n", cputime());
-		Bprint(&bso, "%d symbols\n", ctxt->nsymbol);
-		Bprint(&bso, "%lld liveness data\n", liveness);
-	}
-	Bflush(&bso);
-
-	errorexit();
-}