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+; $Id: bootsector2-common-traprec.mac $
+;; @file
+; Boot sector 2 - Trap Records.
+;
+; @note Don't forget to cinldue bootsector2-common-traprec-end.mac!
+;
+
+;
+; Copyright (C) 2007-2019 Oracle Corporation
+;
+; This file is part of VirtualBox Open Source Edition (OSE), as
+; available from http://www.virtualbox.org. This file is free software;
+; you can redistribute it and/or modify it under the terms of the GNU
+; General Public License (GPL) as published by the Free Software
+; Foundation, in version 2 as it comes in the "COPYING" file of the
+; VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+;
+; The contents of this file may alternatively be used under the terms
+; of the Common Development and Distribution License Version 1.0
+; (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+; VirtualBox OSE distribution, in which case the provisions of the
+; CDDL are applicable instead of those of the GPL.
+;
+; You may elect to license modified versions of this file under the
+; terms and conditions of either the GPL or the CDDL or both.
+;
+
+%ifndef ___bootsector2_common_traprec_mac___
+%define ___bootsector2_common_traprec_mac___
+
+
+;*******************************************************************************
+;* Header Files *
+;*******************************************************************************
+%include "iprt/x86.mac"
+
+
+;*******************************************************************************
+;* Defined Constants And Macros *
+;*******************************************************************************
+;;
+; The base address for the records (only important for 64-bit code
+; loaded above 4GB).
+; We use 0 by default so we don't create too complex expressions for YASM.
+%ifndef BS2_TRAP_RECS_BASE
+ %define BS2_TRAP_RECS_BASE 0
+%endif
+
+;;
+; Macro to emit an trapping instruction.
+;
+; @param 1 The trap number (X86_XCPT_XXX).
+; @param 2 The error code, 0 if none.
+; @param 3+ The instruction.
+;
+; @sa BS2_TRAP_BRANCH_INSTR
+;
+%macro BS2_TRAP_INSTR 3+,
+ [section .traprecs]
+ istruc BS2TRAPREC
+ at BS2TRAPREC.offWhere, dd (%%trapinstr - BS2_TRAP_RECS_BASE)
+ at BS2TRAPREC.offResumeAddend, db (%%resume - %%trapinstr)
+ at BS2TRAPREC.u8TrapNo, db %1
+ at BS2TRAPREC.u16ErrCd, dw %2
+ iend
+ __SECT__
+ %if %1 != X86_XCPT_BP
+ %%trapinstr:
+ %3
+ %else
+ %3
+ %%trapinstr:
+ %endif
+ call TMPL_NM_CMN(TestFailedMissingTrap_ %+ %1)
+ %%resume:
+%endmacro
+
+;;
+; Macro to emit an trapping instruction.
+;
+; @param 1 The trap number (X86_XCPT_XXX).
+; @param 2 The error code, 0 if none.
+; @param 3 The name of the branch label.
+; @param 4+ The instruction.
+;
+%macro BS2_TRAP_BRANCH_INSTR 4+,
+ [section .traprecs]
+ istruc BS2TRAPREC
+ at BS2TRAPREC.offWhere, dd (%%trapinstr - BS2_TRAP_RECS_BASE)
+ at BS2TRAPREC.offResumeAddend, db (%%resume - %%trapinstr)
+ at BS2TRAPREC.u8TrapNo, db %1
+ at BS2TRAPREC.u16ErrCd, dw %2
+ iend
+ __SECT__
+ %%trapinstr:
+ %4
+ %3:
+ call TMPL_NM_CMN(TestFailedMissingTrap_ %+ %1)
+ %%resume:
+%endmacro
+
+;;
+; Sets up the trap records section.
+; @internal
+%macro BS2_TRAP_RECS_BEGIN 0,
+ [section .traprecs] ; Declared in bootsector2-common-init-code.mac
+ dq 0ffffffffeeeeeeeeh
+g_aTrapRecs:
+ __SECT__
+%endmacro
+
+;;
+; Terminates the trap records section.
+; @internal
+%macro BS2_TRAP_RECS_END 0,
+ [section .traprecs]
+g_aTrapRecsEnd:
+ dq 0ddddddddcccccccch
+ __SECT__
+%endmacro
+
+
+;;
+; Macro for installing the trap records.
+;
+; This must be invoked prior to the traps.
+;
+; @uses Stack
+;
+%macro BS2_TRAP_RECS_INSTALL 0,
+ push sAX
+ push sDX
+ push sCX
+
+ mov sAX, NAME(g_aTrapRecs)
+ mov edx, NAME(g_aTrapRecsEnd) - NAME(g_aTrapRecs)
+ shr edx, BS2TRAPREC_SIZE_SHIFT
+ mov sCX, BS2_TRAP_RECS_BASE
+ call TMPL_NM_CMN(TestInstallTrapRecs)
+
+ pop sAX
+ pop sDX
+ pop sCX
+%endmacro
+
+
+;;
+; Macro for uninstalling the trap records.
+;
+; @uses Stack
+;
+%macro BS2_TRAP_RECS_UNINSTALL 0,
+ push sAX
+ push sDX
+ push sCX
+
+ xor sAX, sAX
+ xor edx, edx
+ xor sCX, sCX
+ call TMPL_NM_CMN(TestInstallTrapRecs)
+
+ pop sAX
+ pop sDX
+ pop sCX
+%endmacro
+
+
+;
+; Setup the trap record segment.
+;
+BS2_TRAP_RECS_BEGIN
+BEGINCODELOW
+
+
+;
+; Instantiate code templates.
+;
+%ifdef BS2_INC_CMN_R86
+ %define TMPL_RM
+ %include "bootsector2-common-traprec-template.mac"
+%endif
+%ifdef BS2_INC_CMN_P16
+ %define TMPL_PE16
+ %include "bootsector2-common-traprec-template.mac"
+%endif
+%ifdef BS2_INC_CMN_P32
+ %define TMPL_PE32
+ %include "bootsector2-common-traprec-template.mac"
+%endif
+%ifdef BS2_INC_LM64
+ %define TMPL_LM64
+ %include "bootsector2-common-traprec-template.mac"
+%endif
+
+BEGINCODELOW
+
+%endif
+