; $Id: VBoxREMWrapperA.asm 76553 2019-01-01 01:45:53Z vboxsync $ ;; @file ; VBoxREM Wrapper, Assembly routines and wrapper Templates. ; ; ; Copyright (C) 2006-2019 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. ; ;******************************************************************************* ;* Header Files * ;******************************************************************************* %include "iprt/asmdefs.mac" %define REM_FIXUP_32_REAL_STUFF 0deadbeefh %define REM_FIXUP_64_REAL_STUFF 0deadf00df00ddeadh %define REM_FIXUP_64_DESC 0dead00010001deadh %define REM_FIXUP_64_LOG_ENTRY 0dead00020002deadh %define REM_FIXUP_64_LOG_EXIT 0dead00030003deadh %define REM_FIXUP_64_WRAP_GCC_CB 0dead00040004deadh ;%define ENTRY_LOGGING 1 ;%define EXIT_LOGGING 1 %ifdef RT_ARCH_AMD64 ;; ; 64-bit pushad %macro MY_PUSHAQ 0 push rax push rbx push rcx push rdx push rsi push rdi push rbp push r8 push r9 push r10 push r11 push r12 push r13 push r14 push r15 %endmacro ;; ; 64-bit popad %macro MY_POPAQ 0 pop r15 pop r14 pop r13 pop r12 pop r11 pop r10 pop r9 pop r8 pop rbp pop rdi pop rsi pop rdx pop rcx pop rbx pop rax %endmacro ;; ; Entry logging %ifdef ENTRY_LOGGING %macro LOG_ENTRY 0 MY_PUSHAQ push rbp mov rbp, rsp and rsp, ~0fh sub rsp, 20h ; shadow space %ifdef RT_OS_WINDOWS mov rcx, REM_FIXUP_64_DESC %else mov rdi, REM_FIXUP_64_DESC %endif mov rax, REM_FIXUP_64_LOG_ENTRY call rax leave MY_POPAQ %endmacro %else %define LOG_ENTRY %endif ;; ; Exit logging %ifdef EXIT_LOGGING %macro LOG_EXIT 0 MY_PUSHAQ push rbp mov rbp, rsp and rsp, ~0fh sub rsp, 20h ; shadow space %ifdef RT_OS_WINDOWS mov rdx, rax mov rcx, REM_FIXUP_64_DESC %else mov rsi, eax mov rdi, REM_FIXUP_64_DESC %endif mov rax, REM_FIXUP_64_LOG_EXIT call rax leave MY_POPAQ %endmacro %else %define LOG_EXIT %endif %else %define LOG_ENTRY %define LOG_EXIT %endif BEGINCODE %ifdef RT_OS_WINDOWS %ifdef RT_ARCH_AMD64 BEGINPROC WrapGCC2MSC0Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 20h %ifdef USE_DIRECT_CALLS call $+5+REM_FIXUP_32_REAL_STUFF %else mov rax, REM_FIXUP_64_REAL_STUFF call rax %endif leave LOG_EXIT ret ENDPROC WrapGCC2MSC0Int BEGINPROC WrapGCC2MSC1Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 20h mov rcx, rdi %ifdef USE_DIRECT_CALLS call $+5+REM_FIXUP_32_REAL_STUFF %else mov rax, REM_FIXUP_64_REAL_STUFF call rax %endif leave LOG_EXIT ret ENDPROC WrapGCC2MSC1Int BEGINPROC WrapGCC2MSC2Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 20h mov rdx, rsi mov rcx, rdi %ifdef USE_DIRECT_CALLS call $+5+REM_FIXUP_32_REAL_STUFF %else mov rax, REM_FIXUP_64_REAL_STUFF call rax %endif leave LOG_EXIT ret ENDPROC WrapGCC2MSC2Int BEGINPROC WrapGCC2MSC3Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 20h mov r8, rdx mov rdx, rsi mov rcx, rdi %ifdef USE_DIRECT_CALLS call $+5+REM_FIXUP_32_REAL_STUFF %else mov rax, REM_FIXUP_64_REAL_STUFF call rax %endif leave LOG_EXIT ret ENDPROC WrapGCC2MSC3Int BEGINPROC WrapGCC2MSC4Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 20h mov r9, rcx mov r8, rdx mov rdx, rsi mov rcx, rdi %ifdef USE_DIRECT_CALLS call $+5+REM_FIXUP_32_REAL_STUFF %else mov rax, REM_FIXUP_64_REAL_STUFF call rax %endif leave LOG_EXIT ret ENDPROC WrapGCC2MSC4Int BEGINPROC WrapGCC2MSC5Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 30h mov [rsp + 20h], r8 mov r9, rcx mov r8, rdx mov rdx, rsi mov rcx, rdi %ifdef USE_DIRECT_CALLS call $+5+REM_FIXUP_32_REAL_STUFF %else mov rax, REM_FIXUP_64_REAL_STUFF call rax %endif leave LOG_EXIT ret ENDPROC WrapGCC2MSC5Int BEGINPROC WrapGCC2MSC6Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 30h mov [rsp + 28h], r9 mov [rsp + 20h], r8 mov r9, rcx mov r8, rdx mov rdx, rsi mov rcx, rdi %ifdef USE_DIRECT_CALLS call $+5+REM_FIXUP_32_REAL_STUFF %else mov rax, REM_FIXUP_64_REAL_STUFF call rax %endif leave LOG_EXIT ret ENDPROC WrapGCC2MSC6Int BEGINPROC WrapGCC2MSC7Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 40h mov r11, [rbp + 10h] mov [rsp + 30h], r11 mov [rsp + 28h], r9 mov [rsp + 20h], r8 mov r9, rcx mov r8, rdx mov rdx, rsi mov rcx, rdi %ifdef USE_DIRECT_CALLS call $+5+REM_FIXUP_32_REAL_STUFF %else mov rax, REM_FIXUP_64_REAL_STUFF call rax %endif leave LOG_EXIT ret ENDPROC WrapGCC2MSC7Int BEGINPROC WrapGCC2MSC8Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 40h mov r10, [rbp + 18h] mov [rsp + 38h], r10 mov r11, [rbp + 10h] mov [rsp + 30h], r11 mov [rsp + 28h], r9 mov [rsp + 20h], r8 mov r9, rcx mov r8, rdx mov rdx, rsi mov rcx, rdi %ifdef USE_DIRECT_CALLS call $+5+REM_FIXUP_32_REAL_STUFF %else mov rax, REM_FIXUP_64_REAL_STUFF call rax %endif leave LOG_EXIT ret ENDPROC WrapGCC2MSC8Int BEGINPROC WrapGCC2MSC9Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 50h mov rax, [rbp + 20h] mov [rsp + 40h], rax mov r10, [rbp + 18h] mov [rsp + 38h], r10 mov r11, [rbp + 10h] mov [rsp + 30h], r11 mov [rsp + 28h], r9 mov [rsp + 20h], r8 mov r9, rcx mov r8, rdx mov rdx, rsi mov rcx, rdi %ifdef USE_DIRECT_CALLS call $+5+REM_FIXUP_32_REAL_STUFF %else mov rax, REM_FIXUP_64_REAL_STUFF call rax %endif leave LOG_EXIT ret ENDPROC WrapGCC2MSC9Int BEGINPROC WrapGCC2MSC10Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 50h mov r11, [rbp + 28h] mov [rsp + 48h], r11 mov rax, [rbp + 20h] mov [rsp + 40h], rax mov r10, [rbp + 18h] mov [rsp + 38h], r10 mov r11, [rbp + 10h] mov [rsp + 30h], r11 mov [rsp + 28h], r9 mov [rsp + 20h], r8 mov r9, rcx mov r8, rdx mov rdx, rsi mov rcx, rdi %ifdef USE_DIRECT_CALLS call $+5+REM_FIXUP_32_REAL_STUFF %else mov rax, REM_FIXUP_64_REAL_STUFF call rax %endif leave LOG_EXIT ret ENDPROC WrapGCC2MSC10Int BEGINPROC WrapGCC2MSC11Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 60h mov r10, [rbp + 30h] mov [rsp + 50h], r10 mov r11, [rbp + 28h] mov [rsp + 48h], r11 mov rax, [rbp + 20h] mov [rsp + 40h], rax mov r10, [rbp + 18h] mov [rsp + 38h], r10 mov r11, [rbp + 10h] mov [rsp + 30h], r11 mov [rsp + 28h], r9 mov [rsp + 20h], r8 mov r9, rcx mov r8, rdx mov rdx, rsi mov rcx, rdi %ifdef USE_DIRECT_CALLS call $+5+REM_FIXUP_32_REAL_STUFF %else mov rax, REM_FIXUP_64_REAL_STUFF call rax %endif leave LOG_EXIT ret ENDPROC WrapGCC2MSC11Int BEGINPROC WrapGCC2MSC12Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 60h mov rax, [rbp + 28h] mov [rsp + 48h], rax mov r10, [rbp + 30h] mov [rsp + 50h], r10 mov r11, [rbp + 28h] mov [rsp + 48h], r11 mov rax, [rbp + 20h] mov [rsp + 40h], rax mov r10, [rbp + 18h] mov [rsp + 38h], r10 mov r11, [rbp + 10h] mov [rsp + 30h], r11 mov [rsp + 28h], r9 mov [rsp + 20h], r8 mov r9, rcx mov r8, rdx mov rdx, rsi mov rcx, rdi %ifdef USE_DIRECT_CALLS call $+5+REM_FIXUP_32_REAL_STUFF %else mov rax, REM_FIXUP_64_REAL_STUFF call rax %endif leave LOG_EXIT ret ENDPROC WrapGCC2MSC12Int BEGINPROC WrapGCC2MSCVariadictInt LOG_ENTRY %ifdef DEBUG ; check that there are NO floting point arguments in XMM registers! or rax, rax jz .ok int3 .ok: %endif sub rsp, 28h mov r11, [rsp + 28h] ; r11 = return address. mov [rsp + 28h], r9 mov [rsp + 20h], r8 mov r9, rcx mov [rsp + 18h], r9 ; (*) mov r8, rdx mov [rsp + 14h], r8 ; (*) mov rdx, rsi mov [rsp + 8h], rdx ; (*) mov rcx, rdi mov [rsp], rcx ; (*) mov rsi, r11 ; rsi is preserved by the callee. %ifdef USE_DIRECT_CALLS call $+5+REM_FIXUP_32_REAL_STUFF %else mov rax, REM_FIXUP_64_REAL_STUFF call rax %endif add rsp, 30h LOG_EXIT jmp rsi ; (*) unconditionally spill the registers, just in case '...' implies weird stuff on MSC. Check this out! ENDPROC WrapGCC2MSCVariadictInt ;; ; Custom template for SSMR3RegisterInternal. ; ; (This is based on the WrapGCC2MSC11Int template.) ; ; @cproto ; ; SSMR3DECL(int) SSMR3RegisterInternal(PVM pVM, const char *pszName, uint32_t u32Instance, uint32_t u32Version, size_t cbGuess, ; PFNSSMINTLIVEPREP pfnLivePrep, PFNSSMINTLIVEEXEC pfnLiveExec, PFNSSMINTLIVEVOTE pfnLiveVote, ; PFNSSMINTSAVEPREP pfnSavePrep, PFNSSMINTSAVEEXEC pfnSaveExec, PFNSSMINTSAVEDONE pfnSaveDone, ; PFNSSMINTLOADPREP pfnLoadPrep, PFNSSMINTLOADEXEC pfnLoadExec, PFNSSMINTLOADDONE pfnLoadDone); ; ; @param pVM rdi 0 ; @param pszName rsi 1 ; @param u32Instance rdx 2 ; @param u32Version rcx 3 ; @param cbGuess r8 4 ; @param pfnLivePrep r9 5 ; @param pfnLiveExec rbp + 10h 6 ; @param pfnLiveVote rbp + 18h 7 ; @param pfnSavePrep rbp + 20h 8 ; @param pfnSaveExec rbp + 28h 9 ; @param pfnSaveDone rbp + 30h 10 ; @param pfnLoadPrep rbp + 38h 11 ; @param pfnLoadExec rbp + 40h 12 ; @param pfnLoadDone rbp + 48h 13 ; BEGINPROC WrapGCC2MSC_SSMR3RegisterInternal LOG_ENTRY push rbp mov rbp, rsp sub rsp, 80h mov r10, [rbp + 48h] mov [rsp + 68h], r10 ; pfnLiveDone mov r11, [rbp + 40h] mov [rsp + 60h], r11 ; pfnLiveExec mov rax, [rbp + 38h] mov [rsp + 58h], rax ; pfnLivePrep mov r10, [rbp + 30h] mov [rsp + 50h], r10 ; pfnLoadDone mov r11, [rbp + 28h] mov [rsp + 48h], r11 ; pfnLoadExec mov rax, [rbp + 20h] mov [rsp + 40h], rax ; pfnLoadPrep mov r10, [rbp + 18h] mov [rsp + 38h], r10 ; pfnSaveDone mov r11, [rbp + 10h] mov [rsp + 30h], r11 ; pfnSaveExec mov [rsp + 28h], r9 ; pfnSavePrep mov [rsp + 20h], r8 mov [rsp + 18h], rcx ; -> r9 mov [rsp + 10h], rdx ; -> r8 mov [rsp + 08h], rsi ; -> rdx mov [rsp], rdi ; -> rcx ; Now convert the function pointers. Have to setup a new shadow ; space here since the SSMR3RegisterInternal one is already in use. sub rsp, 20h mov rcx, REM_FIXUP_64_DESC ; pDesc lea rdx, [rsp + 28h + 20h] ; pValue mov r8d, 5 ; iParam mov rax, REM_FIXUP_64_WRAP_GCC_CB call rax mov rcx, REM_FIXUP_64_DESC ; pDesc lea rdx, [rsp + 30h + 20h] ; pValue mov r8d, 6 ; iParam mov rax, REM_FIXUP_64_WRAP_GCC_CB call rax mov rcx, REM_FIXUP_64_DESC ; pDesc lea rdx, [rsp + 38h + 20h] ; pValue mov r8d, 7 ; iParam mov rax, REM_FIXUP_64_WRAP_GCC_CB call rax mov rcx, REM_FIXUP_64_DESC ; pDesc lea rdx, [rsp + 40h + 20h] ; pValue mov r8d, 8 ; iParam mov rax, REM_FIXUP_64_WRAP_GCC_CB call rax mov rcx, REM_FIXUP_64_DESC ; pDesc lea rdx, [rsp + 48h + 20h] ; pValue mov r8d, 9 ; iParam mov rax, REM_FIXUP_64_WRAP_GCC_CB call rax mov rcx, REM_FIXUP_64_DESC ; pDesc lea rdx, [rsp + 50h + 20h] ; pValue mov r8d, 10 ; iParam mov rax, REM_FIXUP_64_WRAP_GCC_CB call rax mov rcx, REM_FIXUP_64_DESC ; pDesc lea rdx, [rsp + 58h + 20h] ; pValue mov r8d, 11 ; iParam mov rax, REM_FIXUP_64_WRAP_GCC_CB call rax mov rcx, REM_FIXUP_64_DESC ; pDesc lea rdx, [rsp + 60h + 20h] ; pValue mov r8d, 12 ; iParam mov rax, REM_FIXUP_64_WRAP_GCC_CB call rax mov rcx, REM_FIXUP_64_DESC ; pDesc lea rdx, [rsp + 68h + 20h] ; pValue mov r8d, 13 ; iParam mov rax, REM_FIXUP_64_WRAP_GCC_CB call rax add rsp, 20h ; finally do the call. mov r9, [rsp + 18h] mov r8, [rsp + 10h] mov rdx, [rsp + 08h] mov rcx, [rsp] %ifdef USE_DIRECT_CALLS call $+5+REM_FIXUP_32_REAL_STUFF %else mov rax, REM_FIXUP_64_REAL_STUFF call rax %endif leave LOG_EXIT ret ENDPROC WrapGCC2MSC_SSMR3RegisterInternal ; ; The other way around: ; BEGINPROC WrapMSC2GCC0Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 10h mov [rbp - 10h], rsi mov [rbp - 18h], rdi %ifdef USE_DIRECT_CALLS call $+5+REM_FIXUP_32_REAL_STUFF %else mov rax, REM_FIXUP_64_REAL_STUFF call rax %endif mov rdi, [rbp - 18h] mov rsi, [rbp - 10h] leave LOG_EXIT ret ENDPROC WrapMSC2GCC0Int BEGINPROC WrapMSC2GCC1Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 20h mov [rbp - 10h], rsi mov [rbp - 18h], rdi mov rdi, rcx %ifdef USE_DIRECT_CALLS call $+5+REM_FIXUP_32_REAL_STUFF %else mov rax, REM_FIXUP_64_REAL_STUFF call rax %endif mov rdi, [rbp - 18h] mov rsi, [rbp - 10h] leave LOG_EXIT ret ENDPROC WrapMSC2GCC1Int BEGINPROC WrapMSC2GCC2Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 20h mov [rbp - 10h], rsi mov [rbp - 18h], rdi mov rdi, rcx mov rsi, rdx %ifdef USE_DIRECT_CALLS call $+5+REM_FIXUP_32_REAL_STUFF %else mov rax, REM_FIXUP_64_REAL_STUFF call rax %endif mov rdi, [rbp - 18h] mov rsi, [rbp - 10h] leave LOG_EXIT ret ENDPROC WrapMSC2GCC2Int BEGINPROC WrapMSC2GCC3Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 20h mov [rbp - 10h], rsi mov [rbp - 18h], rdi mov rdi, rcx mov rsi, rdx mov rdx, r8 call $+5+REM_FIXUP_32_REAL_STUFF mov rdi, [rbp - 18h] mov rsi, [rbp - 10h] leave LOG_EXIT ret ENDPROC WrapMSC2GCC3Int BEGINPROC WrapMSC2GCC4Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 20h mov [rbp - 10h], rsi mov [rbp - 18h], rdi mov rdi, rcx mov rsi, rdx mov rdx, r8 mov rcx, r9 call $+5+REM_FIXUP_32_REAL_STUFF mov rdi, [rbp - 18h] mov rsi, [rbp - 10h] leave LOG_EXIT ret ENDPROC WrapMSC2GCC4Int BEGINPROC WrapMSC2GCC5Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 20h mov [rbp - 10h], rsi mov [rbp - 18h], rdi mov rdi, rcx mov rsi, rdx mov rdx, r8 mov rcx, r9 mov r8, [rbp + 30h] call $+5+REM_FIXUP_32_REAL_STUFF mov rdi, [rbp - 18h] mov rsi, [rbp - 10h] leave LOG_EXIT ret ENDPROC WrapMSC2GCC5Int BEGINPROC WrapMSC2GCC6Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 20h mov [rbp - 10h], rsi mov [rbp - 18h], rdi mov rdi, rcx mov rsi, rdx mov rdx, r8 mov rcx, r9 mov r8, [rbp + 30h] mov r9, [rbp + 38h] call $+5+REM_FIXUP_32_REAL_STUFF mov rdi, [rbp - 18h] mov rsi, [rbp - 10h] leave LOG_EXIT ret ENDPROC WrapMSC2GCC6Int BEGINPROC WrapMSC2GCC7Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 30h mov [rbp - 10h], rsi mov [rbp - 18h], rdi mov rdi, rcx mov rsi, rdx mov rdx, r8 mov rcx, r9 mov r8, [rbp + 30h] mov r9, [rbp + 38h] mov r10, [rbp + 40h] mov [rsp], r10 call $+5+REM_FIXUP_32_REAL_STUFF mov rdi, [rbp - 18h] mov rsi, [rbp - 10h] leave LOG_EXIT ret ENDPROC WrapMSC2GCC7Int BEGINPROC WrapMSC2GCC8Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 30h mov [rbp - 10h], rsi mov [rbp - 18h], rdi mov rdi, rcx mov rsi, rdx mov rdx, r8 mov rcx, r9 mov r8, [rbp + 30h] mov r9, [rbp + 38h] mov r10, [rbp + 40h] mov [rsp], r10 mov r11, [rbp + 48h] mov [rsp + 8], r11 call $+5+REM_FIXUP_32_REAL_STUFF mov rdi, [rbp - 18h] mov rsi, [rbp - 10h] leave LOG_EXIT ret ENDPROC WrapMSC2GCC8Int BEGINPROC WrapMSC2GCC9Int LOG_ENTRY push rbp mov rbp, rsp sub rsp, 40h mov [rbp - 10h], rsi mov [rbp - 18h], rdi mov rdi, rcx mov rsi, rdx mov rdx, r8 mov rcx, r9 mov r8, [rbp + 30h] mov r9, [rbp + 38h] mov r10, [rbp + 40h] mov [rsp], r10 mov r11, [rbp + 48h] mov [rsp + 8], r11 mov rax, [rbp + 50h] mov [rsp + 10h], rax call $+5+REM_FIXUP_32_REAL_STUFF mov rdi, [rbp - 18h] mov rsi, [rbp - 10h] leave LOG_EXIT ret ENDPROC WrapMSC2GCC9Int %endif ; RT_ARCH_AMD64 %endif ; RT_OS_WINDOWS