diff options
Diffstat (limited to 'src/VBox/HostDrivers/Support/SUPLibTracerA.asm')
| -rw-r--r-- | src/VBox/HostDrivers/Support/SUPLibTracerA.asm | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/src/VBox/HostDrivers/Support/SUPLibTracerA.asm b/src/VBox/HostDrivers/Support/SUPLibTracerA.asm new file mode 100644 index 00000000..09c7e198 --- /dev/null +++ b/src/VBox/HostDrivers/Support/SUPLibTracerA.asm @@ -0,0 +1,232 @@ +; $Id: SUPLibTracerA.asm $ +;; @file +; VirtualBox Support Library - Tracer Interface, Assembly bits. +; + +; +; Copyright (C) 2012-2023 Oracle and/or its affiliates. +; +; This file is part of VirtualBox base platform packages, as +; available from https://www.virtualbox.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, in version 3 of the +; License. +; +; 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, see <https://www.gnu.org/licenses>. +; +; The contents of this file may alternatively be used under the terms +; of the Common Development and Distribution License Version 1.0 +; (CDDL), a copy of it is provided in the "COPYING.CDDL" file included +; in the VirtualBox 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. +; +; SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 +; + +;******************************************************************************* +;* Header Files * +;******************************************************************************* +%include "iprt/asmdefs.mac" +%include "VBox/sup.mac" + +; This should go into asmdefs.mac +%ifdef PIC + %ifdef ASM_FORMAT_ELF + %define RT_ASM_USE_GOT + %define RT_ASM_USE_PLT + %endif +%endif + + +;******************************************************************************* +;* 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 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 + xCB] + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rip], xAX + mov xAX, [xBP] + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rbp], xAX + lea xAX, [xBP + xCB*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 + xCB*0], rdx + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*1], r8 + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*2], r9 + mov xAX, [xBP + xCB*2 + 0x20 + xCB*0] + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*3], xAX + mov xAX, [xBP + xCB*2 + 0x20 + xCB*1] + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*4], xAX + mov xAX, [xBP + xCB*2 + 0x20 + xCB*2] + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*5], xAX + mov xAX, [xBP + xCB*2 + 0x20 + xCB*3] + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*6], xAX + mov xAX, [xBP + xCB*2 + 0x20 + xCB*4] + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*7], xAX + mov xAX, [xBP + xCB*2 + 0x20 + xCB*5] + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*8], xAX + mov xAX, [xBP + xCB*2 + 0x20 + xCB*6] + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*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 + xCB*0], rsi + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*1], rdx + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*2], rcx + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*3], r8 + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*4], r9 + mov xAX, [xBP + xCB*2 + xCB*0] + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*5], xAX + mov xAX, [xBP + xCB*2 + xCB*1] + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*6], xAX + mov xAX, [xBP + xCB*2 + xCB*2] + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*7], xAX + mov xAX, [xBP + xCB*2 + xCB*3] + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*8], xAX + mov xAX, [xBP + xCB*2 + xCB*4] + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*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 RT_ASM_USE_PLT + call NAME(suplibTracerFireProbe) wrt ..plt + %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 + xCB] + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.eip], xAX + mov xAX, [xBP] + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.ebp], xAX + lea xAX, [xBP + xCB*2] + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.esp], xAX + + mov xCX, [xBP + xCB*2 + xCB*0] + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.uVtgProbeLoc], xCX ; keep, used below. + + mov edx, 20 +.more: + dec edx + mov xAX, [xBP + xCB*2 + xCB*xDX] + mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.aArgs + xCB*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 + %ifdef RT_ASM_USE_PLT + call NAME(suplibTracerFireProbe) wrt ..plt + %else + call NAME(suplibTracerFireProbe) + %endif +%else + %error "Arch not supported (or correctly defined)." +%endif + + + leave + ret +ENDPROC SUPTracerFireProbe + |