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Diffstat (limited to 'src/libmach/setmach.c')
| -rw-r--r-- | src/libmach/setmach.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/src/libmach/setmach.c b/src/libmach/setmach.c new file mode 100644 index 000000000..0fa4d3192 --- /dev/null +++ b/src/libmach/setmach.c @@ -0,0 +1,203 @@ +// 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, marm; +extern Machdata i386mach, armmach; + +/* + * 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, }, + { "arm", /*ARM*/ + FARM, + FARMB, + AARM, + &marm, + &armmach, }, +#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, }, + { "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; +} |