| // 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); |
| } |