1b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov/* Low level interface to valgrind, for the remote server for GDB integrated 2b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov in valgrind. 3b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov Copyright (C) 2011 4b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov Free Software Foundation, Inc. 5b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 6b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov This file is part of VALGRIND. 7b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov It has been inspired from a file from gdbserver in gdb 6.6. 8b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 9b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov This program is free software; you can redistribute it and/or modify 10b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov it under the terms of the GNU General Public License as published by 11b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov the Free Software Foundation; either version 2 of the License, or 12b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov (at your option) any later version. 13b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 14b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov This program is distributed in the hope that it will be useful, 15b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov but WITHOUT ANY WARRANTY; without even the implied warranty of 16b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov GNU General Public License for more details. 18b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 19b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov You should have received a copy of the GNU General Public License 20b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov along with this program; if not, write to the Free Software 21b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov Foundation, Inc., 51 Franklin Street, Fifth Floor, 22b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov Boston, MA 02110-1301, USA. */ 23b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 24b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov#include "server.h" 25b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov#include "target.h" 26b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov#include "regdef.h" 27b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov#include "regcache.h" 28b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 29b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov#include "pub_core_aspacemgr.h" 30b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov#include "pub_tool_machine.h" 31b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov#include "pub_core_threadstate.h" 32b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov#include "pub_core_transtab.h" 33b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov#include "pub_core_gdbserver.h" 34b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 35b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov#include "valgrind_low.h" 36b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 37b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov#include "libvex_guest_x86.h" 38b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov/* GDBTD: ??? have a cleaner way to get the f80 <> f64 conversion functions */ 39b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov/* below include needed for conversion f80 <> f64 */ 40b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov#include "../../VEX/priv/guest_generic_x87.h" 41b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 42b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 43b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov/* below loosely inspired from file generated with gdb regdat.sh */ 44b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 45b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanovstatic struct reg regs[] = { 46b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "eax", 0, 32 }, 47b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "ecx", 32, 32 }, 48b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "edx", 64, 32 }, 49b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "ebx", 96, 32 }, 50b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "esp", 128, 32 }, 51b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "ebp", 160, 32 }, 52b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "esi", 192, 32 }, 53b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "edi", 224, 32 }, 54b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "eip", 256, 32 }, 55b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "eflags", 288, 32 }, 56b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "cs", 320, 32 }, 57b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "ss", 352, 32 }, 58b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "ds", 384, 32 }, 59b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "es", 416, 32 }, 60b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "fs", 448, 32 }, 61b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "gs", 480, 32 }, 62b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "st0", 512, 80 }, 63b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "st1", 592, 80 }, 64b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "st2", 672, 80 }, 65b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "st3", 752, 80 }, 66b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "st4", 832, 80 }, 67b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "st5", 912, 80 }, 68b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "st6", 992, 80 }, 69b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "st7", 1072, 80 }, 70b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "fctrl", 1152, 32 }, 71b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "fstat", 1184, 32 }, 72b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "ftag", 1216, 32 }, 73b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "fiseg", 1248, 32 }, 74b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "fioff", 1280, 32 }, 75b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "foseg", 1312, 32 }, 76b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "fooff", 1344, 32 }, 77b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "fop", 1376, 32 }, 78b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "xmm0", 1408, 128 }, 79b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "xmm1", 1536, 128 }, 80b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "xmm2", 1664, 128 }, 81b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "xmm3", 1792, 128 }, 82b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "xmm4", 1920, 128 }, 83b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "xmm5", 2048, 128 }, 84b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "xmm6", 2176, 128 }, 85b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "xmm7", 2304, 128 }, 86b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "mxcsr", 2432, 32 }, 87b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov#if defined(VGO_linux) 88b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov { "orig_eax", 2464, 32 } 89b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov#endif 90b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov}; 91b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanovstatic const char *expedite_regs[] = { "ebp", "esp", "eip", 0 }; 92b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov#define num_regs (sizeof (regs) / sizeof (regs[0])) 93b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 94b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanovstatic 95b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy StepanovCORE_ADDR get_pc (void) 96b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov{ 97b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov unsigned long pc; 98b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 99b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov collect_register_by_name ("eip", &pc); 100b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 101b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov dlog(1, "stop pc is %p\n", (void *) pc); 102b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov return pc; 103b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov} 104b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 105b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanovstatic 106b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanovvoid set_pc (CORE_ADDR newpc) 107b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov{ 108b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov Bool mod; 109b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov supply_register_by_name ("eip", &newpc, &mod); 110b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov if (mod) 111b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov dlog(1, "set pc to %p\n", C2v (newpc)); 112b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov else 113b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov dlog(1, "set pc not changed %p\n", C2v (newpc)); 114b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov} 115b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 116b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov/* store registers in the guest state (gdbserver_to_valgrind) 117b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov or fetch register from the guest state (valgrind_to_gdbserver). */ 118b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanovstatic 119b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanovvoid transfer_register (ThreadId tid, int abs_regno, void * buf, 120b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov transfer_direction dir, int size, Bool *mod) 121b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov{ 122b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov ThreadState* tst = VG_(get_ThreadState)(tid); 123b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov int set = abs_regno / num_regs; 124b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov int regno = abs_regno % num_regs; 125b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov *mod = False; 126b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 127b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov VexGuestX86State* x86 = (VexGuestX86State*) get_arch (set, tst); 128b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 129b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov switch (regno) { 130b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov // numbers here have to match the order of regs above 131b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov // Attention: gdb order does not match valgrind order. 132b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 0: VG_(transfer) (&x86->guest_EAX, buf, dir, size, mod); break; 133b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 1: VG_(transfer) (&x86->guest_ECX, buf, dir, size, mod); break; 134b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 2: VG_(transfer) (&x86->guest_EDX, buf, dir, size, mod); break; 135b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 3: VG_(transfer) (&x86->guest_EBX, buf, dir, size, mod); break; 136b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 4: VG_(transfer) (&x86->guest_ESP, buf, dir, size, mod); break; 137b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 5: VG_(transfer) (&x86->guest_EBP, buf, dir, size, mod); break; 138b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 6: VG_(transfer) (&x86->guest_ESI, buf, dir, size, mod); break; 139b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 7: VG_(transfer) (&x86->guest_EDI, buf, dir, size, mod); break; 140663860b1408516d02ebfcb3a9999a134e6cfb223Ben Cheng case 8: VG_(transfer) (&x86->guest_EIP, buf, dir, size, mod); break; 141b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 9: 142b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov if (dir == valgrind_to_gdbserver) { 143b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov UInt eflags; 144b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov /* we can only retrieve the real flags (set 0) 145b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov retrieving shadow flags is not ok */ 146b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov if (set == 0) 147b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov eflags = LibVEX_GuestX86_get_eflags (x86); 148b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov else 149b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov eflags = 0; 150b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov VG_(transfer) (&eflags, buf, dir, size, mod); break; 151b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov } else { 152b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov *mod = False; //GDBTD? how do we store eflags in libvex_guest_x86.h ??? 153b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov } 154b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov break; 155b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 10: VG_(transfer) (&x86->guest_CS, buf, dir, size, mod); break; 156b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 11: VG_(transfer) (&x86->guest_SS, buf, dir, size, mod); break; 157b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 12: VG_(transfer) (&x86->guest_DS, buf, dir, size, mod); break; 158b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 13: VG_(transfer) (&x86->guest_ES, buf, dir, size, mod); break; 159b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 14: VG_(transfer) (&x86->guest_FS, buf, dir, size, mod); break; 160b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 15: VG_(transfer) (&x86->guest_GS, buf, dir, size, mod); break; 161b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 16: 162b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 17: 163b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 18: 164b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 19: /* register 16 to 23 are float registers 80 bits but 64 bits in valgrind */ 165b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 20: 166b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 21: 167b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 22: 168b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 23: { 169b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov if (dir == valgrind_to_gdbserver) { 170b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov UChar fpreg80[10]; 171b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov convert_f64le_to_f80le ((UChar *)&x86->guest_FPREG[regno-16], 172b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov fpreg80); 173b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov VG_(transfer) (&fpreg80, buf, dir, sizeof(fpreg80), mod); 174b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov } else { 175b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov ULong fpreg64; 176b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov convert_f80le_to_f64le (buf, (UChar *)&fpreg64); 177b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov VG_(transfer) (&x86->guest_FPREG[regno-16], &fpreg64, 178b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov dir, sizeof(fpreg64), mod); 179b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov } 180b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov break; 181b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov } 182b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 24: 183b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov if (dir == valgrind_to_gdbserver) { 184b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov // vex only models the rounding bits (see libvex_guest_x86.h) 185b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov UWord value = 0x037f; 186b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov value |= x86->guest_FPROUND << 10; 187b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov VG_(transfer)(&value, buf, dir, size, mod); 188b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov } else { 189b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov *mod = False; // GDBTD???? VEX { "fctrl", 1152, 32 }, 190b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov } 191b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov break; 192b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 25: 193b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov if (dir == valgrind_to_gdbserver) { 194b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov UWord value = x86->guest_FC3210; 195b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov value |= (x86->guest_FTOP & 7) << 11; 196b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov VG_(transfer)(&value, buf, dir, size, mod); 197b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov } else { 198b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov *mod = False; // GDBTD???? VEX { "fstat", 1184, 32 }, 199b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov } 200b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov break; 201b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 26: 202b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov if (dir == valgrind_to_gdbserver) { 203b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov // vex doesn't model these precisely 204b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov UWord value = 205b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov ((x86->guest_FPTAG[0] ? 0 : 3) << 0) | 206b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov ((x86->guest_FPTAG[1] ? 0 : 3) << 2) | 207b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov ((x86->guest_FPTAG[2] ? 0 : 3) << 4) | 208b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov ((x86->guest_FPTAG[3] ? 0 : 3) << 6) | 209b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov ((x86->guest_FPTAG[4] ? 0 : 3) << 8) | 210b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov ((x86->guest_FPTAG[5] ? 0 : 3) << 10) | 211b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov ((x86->guest_FPTAG[6] ? 0 : 3) << 12) | 212b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov ((x86->guest_FPTAG[7] ? 0 : 3) << 14); 213b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov VG_(transfer)(&value, buf, dir, size, mod); 214b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov } else { 215b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov *mod = False; // GDBTD???? VEX { "ftag", 1216, 32 }, 216b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov } 217b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov break; 218b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 27: *mod = False; break; // GDBTD???? VEX { "fiseg", 1248, 32 }, 219b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 28: *mod = False; break; // GDBTD???? VEX { "fioff", 1280, 32 }, 220b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 29: *mod = False; break; // GDBTD???? VEX { "foseg", 1312, 32 }, 221b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 30: *mod = False; break; // GDBTD???? VEX { "fooff", 1344, 32 }, 222b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 31: *mod = False; break; // GDBTD???? VEX { "fop", 1376, 32 }, 223b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 32: VG_(transfer) (&x86->guest_XMM0, buf, dir, size, mod); break; 224b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 33: VG_(transfer) (&x86->guest_XMM1, buf, dir, size, mod); break; 225b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 34: VG_(transfer) (&x86->guest_XMM2, buf, dir, size, mod); break; 226b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 35: VG_(transfer) (&x86->guest_XMM3, buf, dir, size, mod); break; 227b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 36: VG_(transfer) (&x86->guest_XMM4, buf, dir, size, mod); break; 228b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 37: VG_(transfer) (&x86->guest_XMM5, buf, dir, size, mod); break; 229b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 38: VG_(transfer) (&x86->guest_XMM6, buf, dir, size, mod); break; 230b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 39: VG_(transfer) (&x86->guest_XMM7, buf, dir, size, mod); break; 231b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 40: 232b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov if (dir == valgrind_to_gdbserver) { 233b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov // vex only models the rounding bits (see libvex_guest_x86.h) 234b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov UWord value = 0x1f80; 235b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov value |= x86->guest_SSEROUND << 13; 236b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov VG_(transfer)(&value, buf, dir, size, mod); 237b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov } else { 238b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov *mod = False; // GDBTD???? VEX { "mxcsr", 2432, 32 }, 239b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov } 240b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov break; 241b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov case 41: *mod = False; break; // GDBTD???? VEX { "orig_eax", 2464, 32 }, 242b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov default: vg_assert(0); 243b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov } 244b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov} 245b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 246663860b1408516d02ebfcb3a9999a134e6cfb223Ben Chengstatic 247663860b1408516d02ebfcb3a9999a134e6cfb223Ben Chengchar* target_xml (Bool shadow_mode) 248663860b1408516d02ebfcb3a9999a134e6cfb223Ben Cheng{ 249663860b1408516d02ebfcb3a9999a134e6cfb223Ben Cheng if (shadow_mode) { 250663860b1408516d02ebfcb3a9999a134e6cfb223Ben Cheng#if defined(VGO_linux) 251663860b1408516d02ebfcb3a9999a134e6cfb223Ben Cheng return "i386-linux-valgrind.xml"; 252663860b1408516d02ebfcb3a9999a134e6cfb223Ben Cheng#else 253663860b1408516d02ebfcb3a9999a134e6cfb223Ben Cheng return "i386-coresse-valgrind.xml"; 254663860b1408516d02ebfcb3a9999a134e6cfb223Ben Cheng#endif 255663860b1408516d02ebfcb3a9999a134e6cfb223Ben Cheng } else { 256663860b1408516d02ebfcb3a9999a134e6cfb223Ben Cheng return NULL; 257663860b1408516d02ebfcb3a9999a134e6cfb223Ben Cheng } 258663860b1408516d02ebfcb3a9999a134e6cfb223Ben Cheng} 259663860b1408516d02ebfcb3a9999a134e6cfb223Ben Cheng 260b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanovstatic struct valgrind_target_ops low_target = { 261b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov num_regs, 262b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov regs, 263b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 4, //ESP 264b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov transfer_register, 265b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov get_pc, 266b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov set_pc, 267b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov "i386", 268663860b1408516d02ebfcb3a9999a134e6cfb223Ben Cheng target_xml 269b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov}; 270b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 271b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanovvoid x86_init_architecture (struct valgrind_target_ops *target) 272b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov{ 273b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov *target = low_target; 274b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov set_register_cache (regs, num_regs); 275b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov gdbserver_expedite_regs = expedite_regs; 276b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov} 277