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Diffstat (limited to 'coregrind/.svn/text-base/pub_core_machine.h.svn-base')
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diff --git a/coregrind/.svn/text-base/pub_core_machine.h.svn-base b/coregrind/.svn/text-base/pub_core_machine.h.svn-base new file mode 100644 index 0000000..5da26dc --- /dev/null +++ b/coregrind/.svn/text-base/pub_core_machine.h.svn-base @@ -0,0 +1,182 @@ + +/*--------------------------------------------------------------------*/ +/*--- Machine-related things. pub_core_machine.h ---*/ +/*--------------------------------------------------------------------*/ + +/* + This file is part of Valgrind, a dynamic binary instrumentation + framework. + + Copyright (C) 2000-2009 Julian Seward + jseward@acm.org + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307, USA. + + The GNU General Public License is contained in the file COPYING. +*/ + +#ifndef __PUB_CORE_MACHINE_H +#define __PUB_CORE_MACHINE_H + +//-------------------------------------------------------------------- +// PURPOSE: This module contains code related to the particular +// architecture, things like accessing guest state, endianness, word size, +// etc. +//-------------------------------------------------------------------- + +#include "pub_tool_machine.h" + +#if defined(VGP_x86_linux) +# define VG_ELF_DATA2XXX ELFDATA2LSB +# define VG_ELF_MACHINE EM_386 +# define VG_ELF_CLASS ELFCLASS32 +# undef VG_PLAT_USES_PPCTOC +#elif defined(VGP_amd64_linux) +# define VG_ELF_DATA2XXX ELFDATA2LSB +# define VG_ELF_MACHINE EM_X86_64 +# define VG_ELF_CLASS ELFCLASS64 +# undef VG_PLAT_USES_PPCTOC +#elif defined(VGP_ppc32_linux) +# define VG_ELF_DATA2XXX ELFDATA2MSB +# define VG_ELF_MACHINE EM_PPC +# define VG_ELF_CLASS ELFCLASS32 +# undef VG_PLAT_USES_PPCTOC +#elif defined(VGP_ppc64_linux) +# define VG_ELF_DATA2XXX ELFDATA2MSB +# define VG_ELF_MACHINE EM_PPC64 +# define VG_ELF_CLASS ELFCLASS64 +# define VG_PLAT_USES_PPCTOC 1 +#elif defined(VGO_aix5) +# undef VG_ELF_DATA2XXX +# undef VG_ELF_MACHINE +# undef VG_ELF_CLASS +# define VG_PLAT_USES_PPCTOC 1 +#else +# error Unknown platform +#endif + +#if defined(VGA_x86) +# define VG_INSTR_PTR guest_EIP +# define VG_STACK_PTR guest_ESP +# define VG_FRAME_PTR guest_EBP +#elif defined(VGA_amd64) +# define VG_INSTR_PTR guest_RIP +# define VG_STACK_PTR guest_RSP +# define VG_FRAME_PTR guest_RBP +#elif defined(VGA_ppc32) +# define VG_INSTR_PTR guest_CIA +# define VG_STACK_PTR guest_GPR1 +# define VG_FRAME_PTR guest_GPR1 // No frame ptr for PPC +#elif defined(VGA_ppc64) +# define VG_INSTR_PTR guest_CIA +# define VG_STACK_PTR guest_GPR1 +# define VG_FRAME_PTR guest_GPR1 // No frame ptr for PPC +#else +# error Unknown arch +#endif + + +// Offsets for the Vex state +#define VG_O_STACK_PTR (offsetof(VexGuestArchState, VG_STACK_PTR)) + + +//------------------------------------------------------------- +/* Details about the capabilities of the underlying (host) CPU. These + details are acquired by (1) enquiring with the CPU at startup, or + (2) from the AT_SYSINFO entries the kernel gave us (ppc cache + line size). It's a bit nasty in the sense that there's no obvious + way to stop uses of some of this info before it's ready to go. + + Current dependencies are: + + x86: initially: call VG_(machine_get_hwcaps) + + then safe to use VG_(machine_get_VexArchInfo) + and VG_(machine_x86_have_mxcsr) + ------------- + amd64: initially: call VG_(machine_get_hwcaps) + + then safe to use VG_(machine_get_VexArchInfo) + ------------- + ppc32: initially: call VG_(machine_get_hwcaps) + call VG_(machine_ppc32_set_clszB) + + then safe to use VG_(machine_get_VexArchInfo) + and VG_(machine_ppc32_has_FP) + and VG_(machine_ppc32_has_VMX) + ------------- + ppc64: initially: call VG_(machine_get_hwcaps) + call VG_(machine_ppc64_set_clszB) + + then safe to use VG_(machine_get_VexArchInfo) + and VG_(machine_ppc64_has_VMX) + + VG_(machine_get_hwcaps) may use signals (although it attempts to + leave signal state unchanged) and therefore should only be + called before m_main sets up the client's signal state. +*/ + +/* Determine what insn set and insn set variant the host has, and + record it. To be called once at system startup. Returns False if + this a CPU incapable of running Valgrind. */ +extern Bool VG_(machine_get_hwcaps)( void ); + +/* Fetch host cpu info, as per above comment. */ +extern void VG_(machine_get_VexArchInfo)( /*OUT*/VexArch*, + /*OUT*/VexArchInfo* ); + +/* Notify host cpu cache line size, as per above comment. */ +#if defined(VGA_ppc32) +extern void VG_(machine_ppc32_set_clszB)( Int ); +#endif + +#if defined(VGA_ppc64) +extern void VG_(machine_ppc64_set_clszB)( Int ); +#endif + +/* X86: set to 1 if the host is able to do {ld,st}mxcsr (load/store + the SSE control/status register), else zero. Is referenced from + assembly code, so do not change from a 32-bit int. */ +#if defined(VGA_x86) +extern UInt VG_(machine_x86_have_mxcsr); +#endif + +/* PPC32: set to 1 if FP instructions are supported in user-space, + else 0. Is referenced from assembly code, so do not change from a + 32-bit int. */ +#if defined(VGA_ppc32) +extern UInt VG_(machine_ppc32_has_FP); +#endif + +/* PPC32: set to 1 if Altivec instructions are supported in + user-space, else 0. Is referenced from assembly code, so do not + change from a 32-bit int. */ +#if defined(VGA_ppc32) +extern UInt VG_(machine_ppc32_has_VMX); +#endif + +/* PPC64: set to 1 if Altivec instructions are supported in + user-space, else 0. Is referenced from assembly code, so do not + change from a 64-bit int. */ +#if defined(VGA_ppc64) +extern ULong VG_(machine_ppc64_has_VMX); +#endif + +#endif // __PUB_CORE_MACHINE_H + +/*--------------------------------------------------------------------*/ +/*--- end ---*/ +/*--------------------------------------------------------------------*/ |