; $Id$

;; @file

; VirtualBox Support Library - Tracer Interface, Assembly bits.

;

;

; Copyright (C) 2012 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.

;

;*******************************************************************************

;* Header Files *

;*******************************************************************************

%include "iprt/asmdefs.mac"

;*******************************************************************************

;* Structures and Typedefs *

;*******************************************************************************

struc SUPREQHDR

.u32Cookie resd 1

.u32SessionCookie resd 1

.cbIn resd 1

.cbOut resd 1

.fFlags resd 1

.rc resd 1

endstruc

struc SUPDRVTRACERUSRCTX32

.idProbe resd 1

.cBits resb 1

.abReserved resb 3

.u.X86.uVtgProbeLoc resd 1

.u.X86.aArgs resd 20

.u.X86.eip resd 1

.u.X86.eflags resd 1

.u.X86.eax resd 1

.u.X86.ecx resd 1

.u.X86.edx resd 1

.u.X86.ebx resd 1

.u.X86.esp resd 1

.u.X86.ebp resd 1

.u.X86.esi resd 1

.u.X86.edi resd 1

.u.X86.cs resw 1

.u.X86.ss resw 1

.u.X86.ds resw 1

.u.X86.es resw 1

.u.X86.fs resw 1

.u.X86.gs resw 1

endstruc

struc SUPDRVTRACERUSRCTX64

.idProbe resd 1

.cBits resb 1

.abReserved resb 3

.u.Amd64.uVtgProbeLoc resq 1

.u.Amd64.aArgs resq 10

.u.Amd64.rip resq 1

.u.Amd64.rflags resq 1

.u.Amd64.rax resq 1

.u.Amd64.rcx resq 1

.u.Amd64.rdx resq 1

.u.Amd64.rbx resq 1

.u.Amd64.rsp resq 1

.u.Amd64.rbp resq 1

.u.Amd64.rsi resq 1

.u.Amd64.rdi resq 1

.u.Amd64.r8 resq 1

.u.Amd64.r9 resq 1

.u.Amd64.r10 resq 1

.u.Amd64.r11 resq 1

.u.Amd64.r12 resq 1

.u.Amd64.r13 resq 1

.u.Amd64.r14 resq 1

.u.Amd64.r15 resq 1

endstruc

struc SUPTRACERUMODFIREPROBE

.Hdr resb SUPREQHDR_size

.In resb SUPDRVTRACERUSRCTX64_size

endstruc

extern NAME(suplibTracerFireProbe)

BEGINCODE

;;

; Set up a SUPTRACERUMODFIREPROBE request package on the stack and a C helper

; function in SUPLib.cpp to do the rest.

;

EXPORTEDNAME SUPTracerFireProbe

push xBP

mov xBP, xSP

;

; Allocate package and set the sizes (the helper does the rest of

; the header). Setting the sizes here allows the helper to verify our

; idea of the request sizes.

;

lea xSP, [xBP - SUPTRACERUMODFIREPROBE_size - 8]

mov dword [xSP + SUPTRACERUMODFIREPROBE.Hdr + SUPREQHDR.cbIn], SUPTRACERUMODFIREPROBE_size

mov dword [xSP + SUPTRACERUMODFIREPROBE.Hdr + SUPREQHDR.cbOut], SUPREQHDR_size

%ifdef RT_ARCH_AMD64

;

; Save the AMD64 context.

;

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rax], rax

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rcx], rcx

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rdx], rdx

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rbx], rbx

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rsi], rsi

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rdi], rdi

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r8 ], r8

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r9 ], r9

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r10], r10

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r11], r11

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r12], r12

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r13], r13

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r14], r14

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r15], r15

pushf

pop xAX

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rflags], xAX

mov xAX, [xBP + xS]

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rip], xAX

mov xAX, [xBP]

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rbp], xAX

lea xAX, [xBP + xS*2]

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rsp], xAX

%ifdef ASM_CALL64_MSC

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.uVtgProbeLoc], rcx

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xS*0], rdx

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xS*1], r8

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xS*2], r9

mov xAX, [xBP + xS*2 + 0x20 + xS*0]

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xS*3], xAX

mov xAX, [xBP + xS*2 + 0x20 + xS*1]

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xS*4], xAX

mov xAX, [xBP + xS*2 + 0x20 + xS*2]

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xS*5], xAX

mov xAX, [xBP + xS*2 + 0x20 + xS*3]

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xS*6], xAX

mov xAX, [xBP + xS*2 + 0x20 + xS*4]

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xS*7], xAX

mov xAX, [xBP + xS*2 + 0x20 + xS*5]

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xS*8], xAX

mov xAX, [xBP + xS*2 + 0x20 + xS*6]

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xS*9], xAX

mov eax, [xCX + 4] ; VTGPROBELOC::idProbe.

%else

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.uVtgProbeLoc], rdi

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xS*0], rsi

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xS*1], rdx

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xS*2], rcx

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xS*3], r8

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xS*4], r9

mov xAX, [xBP + xS*2 + xS*0]

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xS*5], xAX

mov xAX, [xBP + xS*2 + xS*1]

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xS*6], xAX

mov xAX, [xBP + xS*2 + xS*2]

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xS*7], xAX

mov xAX, [xBP + xS*2 + xS*3]

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xS*8], xAX

mov xAX, [xBP + xS*2 + xS*4]

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xS*9], xAX

mov eax, [xDI + 4] ; VTGPROBELOC::idProbe.

%endif

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.idProbe], eax

mov dword [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.cBits], 64

;

; Call the helper.

;

%ifdef ASM_CALL64_MSC

mov xDX, xSP

sub xSP, 0x20

call NAME(suplibTracerFireProbe)

%else

mov xSI, xSP

%ifdef PIC

call [rel NAME(suplibTracerFireProbe) wrt rip]

%else

call NAME(suplibTracerFireProbe)

%endif

%endif

%elifdef RT_ARCH_X86

;

; Save the X86 context.

;

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.eax], eax

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.ecx], ecx

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.edx], edx

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.ebx], ebx

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.esi], esi

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.edi], edi

pushf

pop xAX

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.eflags], xAX

mov xAX, [xBP + xS]

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.eip], xAX

mov xAX, [xBP]

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.ebp], xAX

lea xAX, [xBP + xS*2]

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.esp], xAX

mov xCX, [xBP + xS*2 + xS*0]

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.uVtgProbeLoc], xCX ; keep, used below.

mov edx, 20

.more:

dec edx

mov xAX, [xBP + xS*2 + xS*xDX]

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.aArgs + xS*xDX], xAX

jnz .more

mov eax, [xCX + 4] ; VTGPROBELOC::idProbe.

mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.idProbe], eax

mov dword [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.cBits], 32

;

; Call the helper.

;

mov xDX, xSP

push xDX

push xCX

call NAME(suplibTracerFireProbe)

%else

%error "Arch not supported (or correctly defined)."

%endif

leave

ret

ENDPROC SUPTracerFireProbe