diff options
Diffstat (limited to 'src/cmd/ld/pass.c')
| -rw-r--r-- | src/cmd/ld/pass.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/src/cmd/ld/pass.c b/src/cmd/ld/pass.c new file mode 100644 index 000000000..788b7c75a --- /dev/null +++ b/src/cmd/ld/pass.c @@ -0,0 +1,104 @@ +// Inferno utils/6l/pass.c +// http://code.google.com/p/inferno-os/source/browse/utils/6l/pass.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. + +// Code and data passes. + +#include "l.h" +#include "../ld/lib.h" +#include "../../pkg/runtime/stack.h" + +void +follow(void) +{ + LSym *s; + + if(debug['v']) + Bprint(&bso, "%5.2f follow\n", cputime()); + Bflush(&bso); + + for(s = ctxt->textp; s != nil; s = s->next) + ctxt->arch->follow(ctxt, s); +} + +void +patch(void) +{ + LSym *s; + + if(debug['v']) + Bprint(&bso, "%5.2f mkfwd\n", cputime()); + Bflush(&bso); + for(s = ctxt->textp; s != nil; s = s->next) + mkfwd(s); + if(debug['v']) + Bprint(&bso, "%5.2f patch\n", cputime()); + Bflush(&bso); + + if(flag_shared) { + s = linklookup(ctxt, "init_array", 0); + s->type = SINITARR; + s->reachable = 1; + s->hide = 1; + addaddr(ctxt, s, linklookup(ctxt, INITENTRY, 0)); + } + + for(s = ctxt->textp; s != nil; s = s->next) + linkpatch(ctxt, s); +} + +void +dostkoff(void) +{ + LSym *s; + + for(s = ctxt->textp; s != nil; s = s->next) + ctxt->arch->addstacksplit(ctxt, s); +} + +void +span(void) +{ + LSym *s; + + if(debug['v']) + Bprint(&bso, "%5.2f span\n", cputime()); + + for(s = ctxt->textp; s != nil; s = s->next) + ctxt->arch->assemble(ctxt, s); +} + +void +pcln(void) +{ + LSym *s; + + for(s = ctxt->textp; s != nil; s = s->next) + linkpcln(ctxt, s); +} |