| // Inferno libmach/setmach.c |
| // http://code.google.com/p/inferno-os/source/browse/utils/libmach/setmach.c |
| // |
| // Copyright © 1994-1999 Lucent Technologies Inc. |
| // Power PC support Copyright © 1995-2004 C H Forsyth (forsyth@terzarima.net). |
| // Portions Copyright © 1997-1999 Vita Nuova Limited. |
| // Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com). |
| // Revisions Copyright © 2000-2004 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. |
| |
| #include <u.h> |
| #include <libc.h> |
| #include <bio.h> |
| #include <mach.h> |
| /* table for selecting machine-dependent parameters */ |
| |
| typedef struct machtab Machtab; |
| |
| struct machtab |
| { |
| char *name; /* machine name */ |
| short type; /* executable type */ |
| short boottype; /* bootable type */ |
| int asstype; /* disassembler code */ |
| Mach *mach; /* machine description */ |
| Machdata *machdata; /* machine functions */ |
| }; |
| |
| /* |
| extern Mach mmips, msparc, m68020, mi386, mamd64, |
| marm, mmips2be, mmips2le, mpower, mpower64, malpha, msparc64; |
| extern Machdata mipsmach, sparcmach, m68020mach, i386mach, |
| armmach, mipsmach2le, powermach, alphamach, sparc64mach; |
| */ |
| extern Mach mi386, mamd64; |
| extern Machdata i386mach; |
| |
| /* |
| * machine selection table. machines with native disassemblers should |
| * follow the plan 9 variant in the table; native modes are selectable |
| * only by name. |
| */ |
| Machtab machines[] = |
| { |
| { "386", /*plan 9 386*/ |
| FI386, |
| FI386B, |
| AI386, |
| &mi386, |
| &i386mach, }, |
| { "amd64", /*amd64*/ |
| FAMD64, |
| FAMD64B, |
| AAMD64, |
| &mamd64, |
| &i386mach, }, |
| #ifdef unused |
| { "68020", /*68020*/ |
| F68020, |
| F68020B, |
| A68020, |
| &m68020, |
| &m68020mach, }, |
| { "68020", /*Next 68040 bootable*/ |
| F68020, |
| FNEXTB, |
| A68020, |
| &m68020, |
| &m68020mach, }, |
| { "mips2LE", /*plan 9 mips2 little endian*/ |
| FMIPS2LE, |
| 0, |
| AMIPS, |
| &mmips2le, |
| &mipsmach2le, }, |
| { "mips", /*plan 9 mips*/ |
| FMIPS, |
| FMIPSB, |
| AMIPS, |
| &mmips, |
| &mipsmach, }, |
| { "mips2", /*plan 9 mips2*/ |
| FMIPS2BE, |
| FMIPSB, |
| AMIPS, |
| &mmips2be, |
| &mipsmach, }, /* shares debuggers with native mips */ |
| { "mipsco", /*native mips - must follow plan 9*/ |
| FMIPS, |
| FMIPSB, |
| AMIPSCO, |
| &mmips, |
| &mipsmach, }, |
| { "sparc", /*plan 9 sparc */ |
| FSPARC, |
| FSPARCB, |
| ASPARC, |
| &msparc, |
| &sparcmach, }, |
| { "sunsparc", /*native sparc - must follow plan 9*/ |
| FSPARC, |
| FSPARCB, |
| ASUNSPARC, |
| &msparc, |
| &sparcmach, }, |
| { "86", /*8086 - a peach of a machine*/ |
| FI386, |
| FI386B, |
| AI8086, |
| &mi386, |
| &i386mach, }, |
| { "arm", /*ARM*/ |
| FARM, |
| FARMB, |
| AARM, |
| &marm, |
| &armmach, }, |
| { "power", /*PowerPC*/ |
| FPOWER, |
| FPOWERB, |
| APOWER, |
| &mpower, |
| &powermach, }, |
| { "power64", /*PowerPC*/ |
| FPOWER64, |
| FPOWER64B, |
| APOWER64, |
| &mpower64, |
| &powermach, }, |
| { "alpha", /*Alpha*/ |
| FALPHA, |
| FALPHAB, |
| AALPHA, |
| &malpha, |
| &alphamach, }, |
| { "sparc64", /*plan 9 sparc64 */ |
| FSPARC64, |
| FSPARCB, /* XXX? */ |
| ASPARC64, |
| &msparc64, |
| &sparc64mach, }, |
| #endif |
| { 0 }, /*the terminator*/ |
| }; |
| |
| /* |
| * select a machine by executable file type |
| */ |
| void |
| machbytype(int type) |
| { |
| Machtab *mp; |
| |
| for (mp = machines; mp->name; mp++){ |
| if (mp->type == type || mp->boottype == type) { |
| asstype = mp->asstype; |
| machdata = mp->machdata; |
| break; |
| } |
| } |
| } |
| /* |
| * select a machine by name |
| */ |
| int |
| machbyname(char *name) |
| { |
| Machtab *mp; |
| |
| if (!name) { |
| asstype = AAMD64; |
| machdata = &i386mach; |
| mach = &mamd64; |
| return 1; |
| } |
| for (mp = machines; mp->name; mp++){ |
| if (strcmp(mp->name, name) == 0) { |
| asstype = mp->asstype; |
| machdata = mp->machdata; |
| mach = mp->mach; |
| return 1; |
| } |
| } |
| return 0; |
| } |