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Diffstat (limited to 'src/libmach/machamd64.c')
| -rw-r--r-- | src/libmach/machamd64.c | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/src/libmach/machamd64.c b/src/libmach/machamd64.c new file mode 100644 index 00000000..f220ebcf --- /dev/null +++ b/src/libmach/machamd64.c @@ -0,0 +1,197 @@ +// Inferno libmach/6.c +// http://code.google.com/p/inferno-os/source/browse/utils/libmach/6.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. + +/* + * amd64 definition + */ +#include <u.h> +#include <libc.h> +#include <bio.h> +#include <mach.h> +#include "uregamd64.h" + + char *i386excep(Map*, Regs*); + int i386foll(Map*, Regs*, u64int, u64int*); + int i386hexinst(Map*, u64int, char*, int); + int i386das(Map*, u64int, char, char*, int); + int i386instlen(Map*, u64int); + int i386unwind(Map*, Regs*, u64int*, Symbol*); + +#define REGOFF(x) offsetof(struct Ureg, x) + +#define REGSIZE sizeof(struct Ureg) +#define FP_CTLS(x) (REGSIZE+2*(x)) +#define FP_CTL(x) (REGSIZE+4*(x)) +#define FP_REG(x) (FP_CTL(8)+16*(x)) +#define XM_REG(x) (FP_CTL(8)+8*16+16*(x)) + +#define FPREGSIZE 512 /* TO DO? currently only 0x1A0 used */ + +static Regdesc amd64reglist[] = { + {"AX", REGOFF(ax), RINT, 'Y'}, + {"BX", REGOFF(bx), RINT, 'Y'}, + {"CX", REGOFF(cx), RINT, 'Y'}, + {"DX", REGOFF(dx), RINT, 'Y'}, + {"SI", REGOFF(si), RINT, 'Y'}, + {"DI", REGOFF(di), RINT, 'Y'}, + {"BP", REGOFF(bp), RINT, 'Y'}, + {"R8", REGOFF(r8), RINT, 'Y'}, + {"R9", REGOFF(r9), RINT, 'Y'}, + {"R10", REGOFF(r10), RINT, 'Y'}, + {"R11", REGOFF(r11), RINT, 'Y'}, + {"R12", REGOFF(r12), RINT, 'Y'}, + {"R13", REGOFF(r13), RINT, 'Y'}, + {"R14", REGOFF(r14), RINT, 'Y'}, + {"R15", REGOFF(r15), RINT, 'Y'}, + {"DS", REGOFF(ds), RINT, 'x'}, + {"ES", REGOFF(es), RINT, 'x'}, + {"FS", REGOFF(fs), RINT, 'x'}, + {"GS", REGOFF(gs), RINT, 'x'}, + {"TYPE", REGOFF(type), RINT, 'Y'}, + {"TRAP", REGOFF(type), RINT, 'Y'}, /* alias for acid */ + {"ERROR", REGOFF(error), RINT, 'Y'}, + {"IP", REGOFF(ip), RINT, 'Y'}, + {"PC", REGOFF(ip), RINT, 'Y'}, /* alias for acid */ + {"CS", REGOFF(cs), RINT, 'Y'}, + {"FLAGS", REGOFF(flags), RINT, 'Y'}, + {"SP", REGOFF(sp), RINT, 'Y'}, + {"SS", REGOFF(ss), RINT, 'Y'}, + + {"FCW", FP_CTLS(0), RFLT, 'x'}, + {"FSW", FP_CTLS(1), RFLT, 'x'}, + {"FTW", FP_CTLS(2), RFLT, 'b'}, + {"FOP", FP_CTLS(3), RFLT, 'x'}, + {"RIP", FP_CTL(2), RFLT, 'Y'}, + {"RDP", FP_CTL(4), RFLT, 'Y'}, + {"MXCSR", FP_CTL(6), RFLT, 'X'}, + {"MXCSRMASK", FP_CTL(7), RFLT, 'X'}, + {"M0", FP_REG(0), RFLT, 'F'}, /* assumes double */ + {"M1", FP_REG(1), RFLT, 'F'}, + {"M2", FP_REG(2), RFLT, 'F'}, + {"M3", FP_REG(3), RFLT, 'F'}, + {"M4", FP_REG(4), RFLT, 'F'}, + {"M5", FP_REG(5), RFLT, 'F'}, + {"M6", FP_REG(6), RFLT, 'F'}, + {"M7", FP_REG(7), RFLT, 'F'}, + {"X0", XM_REG(0), RFLT, 'F'}, /* assumes double */ + {"X1", XM_REG(1), RFLT, 'F'}, + {"X2", XM_REG(2), RFLT, 'F'}, + {"X3", XM_REG(3), RFLT, 'F'}, + {"X4", XM_REG(4), RFLT, 'F'}, + {"X5", XM_REG(5), RFLT, 'F'}, + {"X6", XM_REG(6), RFLT, 'F'}, + {"X7", XM_REG(7), RFLT, 'F'}, + {"X8", XM_REG(8), RFLT, 'F'}, + {"X9", XM_REG(9), RFLT, 'F'}, + {"X10", XM_REG(10), RFLT, 'F'}, + {"X11", XM_REG(11), RFLT, 'F'}, + {"X12", XM_REG(12), RFLT, 'F'}, + {"X13", XM_REG(13), RFLT, 'F'}, + {"X14", XM_REG(14), RFLT, 'F'}, + {"X15", XM_REG(15), RFLT, 'F'}, + {"X16", XM_REG(16), RFLT, 'F'}, +/* + {"F0", FP_REG(7), RFLT, '3'}, + {"F1", FP_REG(6), RFLT, '3'}, + {"F2", FP_REG(5), RFLT, '3'}, + {"F3", FP_REG(4), RFLT, '3'}, + {"F4", FP_REG(3), RFLT, '3'}, + {"F5", FP_REG(2), RFLT, '3'}, + {"F6", FP_REG(1), RFLT, '3'}, + {"F7", FP_REG(0), RFLT, '3'}, +*/ + { 0 } +}; + +static char *amd64windregs[] = { + "PC", + "SP", + "BP", + "AX", + "CX", + "DX", + "BX", + "SI", + "DI", + "R8", + "R9", + "R10", + "R11", + "R12", + "R13", + "R14", + "R15", + 0, +}; + + +Mach machamd64= +{ + "amd64", + MAMD64, /* machine type */ + amd64reglist, /* register list */ + REGSIZE, /* size of registers in bytes */ + FPREGSIZE, /* size of fp registers in bytes */ + "PC", /* name of PC */ + "SP", /* name of SP */ + "BP", /* name of FP */ + 0, /* link register */ + "setSB", /* static base register name (bogus anyways) */ + 0, /* static base register value */ + 0x1000, /* page size */ + 0xFFFFFFFF80110000ULL, /* kernel base */ + 0xFFFF800000000000ULL, /* kernel text mask */ + 1, /* quantization of pc */ + 8, /* szaddr */ + 4, /* szreg */ + 4, /* szfloat */ + 8, /* szdouble */ + + amd64windregs, /* locations unwound in stack trace */ + 17, + + {0xCC, 0, 0, 0}, /* break point: INT 3 */ + 1, /* break point size */ + + i386foll, /* following addresses */ + i386excep, /* print exception */ + i386unwind, /* stack unwind */ + + leswap2, /* convert short to local byte order */ + leswap4, /* convert long to local byte order */ + leswap8, /* convert vlong to local byte order */ + leieeeftoa32, /* single precision float pointer */ + leieeeftoa64, /* double precision float pointer */ + leieeeftoa80, /* long double precision floating point */ + + i386das, /* dissembler */ + i386das, /* plan9-format disassembler */ + 0, /* commercial disassembler */ + i386hexinst, /* print instruction */ + i386instlen, /* instruction size calculation */ +}; |