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https://github.com/ioacademy-jikim/debugging
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137 lines
4.6 KiB
C
137 lines
4.6 KiB
C
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/*---------------------------------------------------------------*/
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/*--- begin libvex_emnote.h ---*/
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/*---------------------------------------------------------------*/
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/*
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This file is part of Valgrind, a dynamic binary instrumentation
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framework.
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Copyright (C) 2004-2015 OpenWorks LLP
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info@open-works.net
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA.
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The GNU General Public License is contained in the file COPYING.
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Neither the names of the U.S. Department of Energy nor the
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University of California nor the names of its contributors may be
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used to endorse or promote products derived from this software
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without prior written permission.
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*/
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#ifndef __LIBVEX_EMNOTE_H
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#define __LIBVEX_EMNOTE_H
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#include "libvex_basictypes.h"
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/* VEX can sometimes generate code which returns to the dispatcher
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with the guest state pointer set to VEX_TRC_JMP_EMWARN or
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VEX_TRC_JMP_EMFAIL. This means that VEX is trying to tell Valgrind
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something noteworthy about emulation progress. For example, that Valgrind
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is doing imprecise emulation in some sense. The guest's pseudo-register
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"guest_EMNOTE" will hold a value of type VexEmNote, which describes
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the nature of the warning. Currently the limitations that are
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warned about apply primarily to floating point support.
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All guest states must have a 32-bit (UInt) guest_EMNOTE pseudo-
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register, that emulation warnings can be written in to.
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Note that guest_EMNOTE only carries a valid value at the jump
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marked as VEX_TRC_JMP_EMWARN / VEX_TRC_JMP_EMFAIL. You can't assume
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it will continue to carry a valid value from any amount of time after
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the jump.
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*/
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typedef
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enum {
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/* no note indicated */
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EmNote_NONE=0,
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/* unmasking x87 FP exceptions is not supported */
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EmWarn_X86_x87exns,
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/* change of x87 FP precision away from 64-bit (mantissa) */
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EmWarn_X86_x87precision,
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/* unmasking SSE FP exceptions is not supported */
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EmWarn_X86_sseExns,
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/* setting mxcsr.fz is not supported */
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EmWarn_X86_fz,
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/* setting mxcsr.daz is not supported */
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EmWarn_X86_daz,
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/* settings to %eflags.ac (alignment check) are noted but ignored */
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EmWarn_X86_acFlag,
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/* unmasking PPC32/64 FP exceptions is not supported */
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EmWarn_PPCexns,
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/* overflow/underflow of the PPC64 _REDIR stack (ppc64 only) */
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EmWarn_PPC64_redir_overflow,
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EmWarn_PPC64_redir_underflow,
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/* insn specifies a rounding mode other than "according to FPC"
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which requires the floating point extension facility. But that
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facility is not available on this host */
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EmWarn_S390X_fpext_rounding,
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/* insn (e.g. srnmb) specifies an invalid rounding mode */
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EmWarn_S390X_invalid_rounding,
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/* stfle insn is not supported on this host */
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EmFail_S390X_stfle,
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/* stckf insn is not supported on this host */
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EmFail_S390X_stckf,
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/* ecag insn is not supported on this host */
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EmFail_S390X_ecag,
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/* pfpo insn is not supported on this host */
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EmFail_S390X_pfpo,
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/* DFP insns are not supported on this host */
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EmFail_S390X_DFP_insn,
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/* insn needs floating point extension facility which is not
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available on this host */
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EmFail_S390X_fpext,
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/* GPR 0 contains invalid rounding mode for PFPO instruction */
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EmFail_S390X_invalid_PFPO_rounding_mode,
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/* The function code specified in GPR 0 executed by PFPO
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instruction is invalid */
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EmFail_S390X_invalid_PFPO_function,
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EmNote_NUMBER
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}
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VexEmNote;
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/* Produces a short string describing the warning. */
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extern const HChar* LibVEX_EmNote_string ( VexEmNote );
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#endif /* ndef __LIBVEX_EMNOTE_H */
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/*---------------------------------------------------------------*/
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/*--- libvex_emnote.h ---*/
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/*---------------------------------------------------------------*/
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