tom | f4c2310 | 2005-10-31 17:05:21 +0000 | [diff] [blame] | 1 | |
| 2 | /*--------------------------------------------------------------------*/ |
| 3 | /*--- Dumping core. coredump-x86-linux.c ---*/ |
| 4 | /*--------------------------------------------------------------------*/ |
| 5 | |
| 6 | /* |
| 7 | This file is part of Valgrind, a dynamic binary instrumentation |
| 8 | framework. |
| 9 | |
| 10 | Copyright (C) 2000-2005 Julian Seward |
| 11 | jseward@acm.org |
| 12 | |
| 13 | This program is free software; you can redistribute it and/or |
| 14 | modify it under the terms of the GNU General Public License as |
| 15 | published by the Free Software Foundation; either version 2 of the |
| 16 | License, or (at your option) any later version. |
| 17 | |
| 18 | This program is distributed in the hope that it will be useful, but |
| 19 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 21 | General Public License for more details. |
| 22 | |
| 23 | You should have received a copy of the GNU General Public License |
| 24 | along with this program; if not, write to the Free Software |
| 25 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 26 | 02111-1307, USA. |
| 27 | |
| 28 | The GNU General Public License is contained in the file COPYING. |
| 29 | */ |
| 30 | |
| 31 | #include "pub_core_basics.h" |
| 32 | #include "pub_core_libcbase.h" |
| 33 | #include "pub_core_coredump.h" |
| 34 | #include "pub_core_threadstate.h" |
| 35 | |
| 36 | #include "priv_elf.h" |
| 37 | |
| 38 | void ML_(fill_elfregs_from_tst)(struct vki_user_regs_struct* regs, |
| 39 | const ThreadArchState* arch) |
| 40 | { |
sewardj | cf4ac71 | 2005-11-01 00:03:40 +0000 | [diff] [blame] | 41 | regs->eflags = LibVEX_GuestX86_get_eflags( &((ThreadArchState*)arch)->vex ); |
tom | f4c2310 | 2005-10-31 17:05:21 +0000 | [diff] [blame] | 42 | regs->esp = arch->vex.guest_ESP; |
| 43 | regs->eip = arch->vex.guest_EIP; |
| 44 | |
| 45 | regs->ebx = arch->vex.guest_EBX; |
| 46 | regs->ecx = arch->vex.guest_ECX; |
| 47 | regs->edx = arch->vex.guest_EDX; |
| 48 | regs->esi = arch->vex.guest_ESI; |
| 49 | regs->edi = arch->vex.guest_EDI; |
| 50 | regs->ebp = arch->vex.guest_EBP; |
| 51 | regs->eax = arch->vex.guest_EAX; |
| 52 | |
| 53 | regs->cs = arch->vex.guest_CS; |
| 54 | regs->ds = arch->vex.guest_DS; |
| 55 | regs->ss = arch->vex.guest_SS; |
| 56 | regs->es = arch->vex.guest_ES; |
| 57 | regs->fs = arch->vex.guest_FS; |
| 58 | regs->gs = arch->vex.guest_GS; |
| 59 | } |
| 60 | |
| 61 | //:: static void fill_fpu(vki_elf_fpregset_t *fpu, const Char *from) |
| 62 | //:: { |
| 63 | //:: if (VG_(have_ssestate)) { |
| 64 | //:: UShort *to; |
| 65 | //:: Int i; |
| 66 | //:: |
| 67 | //:: /* This is what the kernel does */ |
| 68 | //:: VG_(memcpy)(fpu, from, 7*sizeof(long)); |
| 69 | //:: |
| 70 | //:: to = (UShort *)&fpu->st_space[0]; |
| 71 | //:: from += 18 * sizeof(UShort); |
| 72 | //:: |
| 73 | //:: for (i = 0; i < 8; i++, to += 5, from += 8) |
| 74 | //:: VG_(memcpy)(to, from, 5*sizeof(UShort)); |
| 75 | //:: } else |
| 76 | //:: VG_(memcpy)(fpu, from, sizeof(*fpu)); |
| 77 | //:: } |
| 78 | |
| 79 | void ML_(fill_elffpregs_from_tst)(vki_elf_fpregset_t* fpu, |
| 80 | const ThreadArchState* arch) |
| 81 | { |
| 82 | //:: fill_fpu(fpu, (const Char *)&arch->m_sse); |
| 83 | } |
| 84 | |
| 85 | void ML_(fill_elffpxregs_from_tst)(vki_elf_fpxregset_t* xfpu, |
| 86 | const ThreadArchState* arch) |
| 87 | { |
| 88 | //:: xfpu->cwd = ?; |
| 89 | //:: xfpu->swd = ?; |
| 90 | //:: xfpu->twd = ?; |
| 91 | //:: xfpu->fop = ?; |
| 92 | //:: xfpu->fip = ?; |
| 93 | //:: xfpu->fcs = ?; |
| 94 | //:: xfpu->foo = ?; |
| 95 | //:: xfpu->fos = ?; |
| 96 | //:: xfpu->mxcsr = ?; |
| 97 | xfpu->reserved = 0; |
| 98 | //:: xfpu->st_space = ?; |
| 99 | |
| 100 | # define DO(n) VG_(memcpy)(xfpu->xmm_space + n * 4, &arch->vex.guest_XMM##n, sizeof(arch->vex.guest_XMM##n)) |
| 101 | DO(0); DO(1); DO(2); DO(3); DO(4); DO(5); DO(6); DO(7); |
| 102 | # undef DO |
| 103 | |
| 104 | VG_(memset)(xfpu->padding, 0, sizeof(xfpu->padding)); |
| 105 | } |
| 106 | |
| 107 | void VG_(make_coredump)(ThreadId tid, const vki_siginfo_t *si, UInt max_size) |
| 108 | { |
| 109 | ML_(make_elf_coredump)(tid, si, max_size); |
| 110 | } |