Bug 502188. Implement xptcall for mingw-Windows64. r=timeless

--HG--
extra : rebase_source : 2c03e2ae8d491059b9c3759e7e5082a20c1b715a
This commit is contained in:
Mook 2009-07-30 15:41:03 +12:00
parent ecce403995
commit a9abb503c1
3 changed files with 494 additions and 0 deletions

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@ -82,8 +82,13 @@ ASFLAGS += /I../../..public
endif
ifeq ($(TARGET_CPU),x86_64)
ifndef GNU_CXX
CPPSRCS := xptcinvoke_x86_64.cpp xptcstubs_x86_64.cpp
ASFILES := xptcinvoke_asm_x86_64.asm xptcstubs_asm_x86_64.asm
else #!GNU_CXX
CPPSRCS := xptcinvoke_x86_64.cpp xptcstubs_x86_64_gnu.cpp
ASFILES := xptcinvoke_asm_x86_64_gnu.s
endif #!GNU_CXX
endif
ifeq ($(OS_ARCH),WINCE)

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@ -0,0 +1,158 @@
# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is mozilla.org code.
#
# The Initial Developer of the Original Code is
# Makoto Kato <m_kato@ga2.so-net.ne.jp>.
# Portions created by the Initial Developer are Copyright (C) 2004
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****
.extern _invoke_copy_to_stack
.text
.intel_syntax
#
#_XPTC__InvokebyIndex(nsISupports* that, PRUint32 methodIndex,
# PRUint32 paramCount, nsXPTCVariant* params)
#
.globl _XPTC__InvokebyIndex
.def _XPTC__InvokebyIndex
.scl 3
.type 46
.endef
_XPTC__InvokebyIndex:
#
# store register parameters
#
mov qword ptr [rsp+32], r9 # params
mov dword ptr [rsp+24], r8d # paramCount
mov dword ptr [rsp+16], edx # methodIndex
mov qword ptr [rsp+8], rcx # that
#
# store RBX/RBP register for backup
#
mov qword ptr [rsp-16], rbp
mov rbp, rsp # store current RSP to RBP
# .SETFRAME rbp, 0
# .ENDPROLOG
sub rsp, 32
#
# maybe we don't have any parameters to copy
#
test r8d, r8d
jz noparams
#
# make space for 1st parameter
mov eax, r8d
and eax, 1 # AMD64 must be alignment to 16 bytes
add eax, r8d
shl rax, 3 # *= 8
sub rsp, rax
mov rcx, rsp
#
# 2nd parameter is parameter count
#
mov edx, r8d
#
# 3rd parameter is params
#
mov r8, r9
sub rsp, 32
call _invoke_copy_to_stack # rcx = d
# edx = paramCount
# r8 = s
add rsp, 32
#
# Build parameters
#
mov rdx, qword ptr [rsp] # 1st parameter
movsd xmm1, qword ptr [rsp] # for double
mov r8, qword ptr [rsp+8] # 2nd parameter
movsd xmm2, qword ptr [rsp+8] # for double
mov r9, qword ptr [rsp+16] # 3rd parameter
movsd xmm3, qword ptr [rsp+16] # for double
#
# 1st parameter (this)
#
mov rcx, qword ptr [rbp+8] # that
noparams:
#
# calculate call address
#
mov r11, qword ptr [rcx]
mov eax, dword ptr [rbp+16] # methodIndex
#
# Now current stack has parameter list
# But, since callee function backups parameters, make space into stack.
sub rsp, 8
call qword ptr [r11+rax*8] # stdcall, i.e. callee cleans up stack.
#
# restore registers
#
mov rsp, rbp
mov rbp, qword ptr [rsp-16]
ret

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@ -0,0 +1,331 @@
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org Code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "xptcprivate.h"
#include "xptiprivate.h"
#include "../unix/xptc_gcc_x86_unix.h"
/*
* This is for Windows 64 bit (x86_64) using GCC syntax
* Code was copied from the MSVC version.
*/
#if !defined(_AMD64_) || !defined(__GNUC__)
# error xptcstubs_x86_64_gnu.cpp being used unexpectedly
#endif
extern "C" nsresult
PrepareAndDispatch(nsXPTCStubBase * self, PRUint32 methodIndex,
PRUint64 * args, PRUint64 * gprData, double *fprData)
{
#define PARAM_BUFFER_COUNT 16
//
// "this" pointer is first parameter, so parameter count is 3.
//
#define PARAM_GPR_COUNT 3
#define PARAM_FPR_COUNT 3
nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
nsXPTCMiniVariant* dispatchParams = NULL;
const nsXPTMethodInfo* info = NULL;
PRUint8 paramCount;
PRUint8 i;
nsresult result = NS_ERROR_FAILURE;
NS_ASSERTION(self, "no self");
self->mEntry->GetMethodInfo(PRUint16(methodIndex), &info);
NS_ASSERTION(info, "no method info");
paramCount = info->GetParamCount();
//
// setup variant array pointer
//
if(paramCount > PARAM_BUFFER_COUNT)
dispatchParams = new nsXPTCMiniVariant[paramCount];
else
dispatchParams = paramBuffer;
NS_ASSERTION(dispatchParams,"no place for params");
PRUint64* ap = args;
PRUint32 iCount = 0;
for(i = 0; i < paramCount; i++)
{
const nsXPTParamInfo& param = info->GetParam(i);
const nsXPTType& type = param.GetType();
nsXPTCMiniVariant* dp = &dispatchParams[i];
if(param.IsOut() || !type.IsArithmetic())
{
if (iCount < PARAM_GPR_COUNT)
dp->val.p = (void*)gprData[iCount++];
else
dp->val.p = (void*)*ap++;
continue;
}
// else
switch(type)
{
case nsXPTType::T_I8:
if (iCount < PARAM_GPR_COUNT)
dp->val.i8 = (PRInt8)gprData[iCount++];
else
dp->val.i8 = *((PRInt8*)ap++);
break;
case nsXPTType::T_I16:
if (iCount < PARAM_GPR_COUNT)
dp->val.i16 = (PRInt16)gprData[iCount++];
else
dp->val.i16 = *((PRInt16*)ap++);
break;
case nsXPTType::T_I32:
if (iCount < PARAM_GPR_COUNT)
dp->val.i32 = (PRInt32)gprData[iCount++];
else
dp->val.i32 = *((PRInt32*)ap++);
break;
case nsXPTType::T_I64:
if (iCount < PARAM_GPR_COUNT)
dp->val.i64 = (PRInt64)gprData[iCount++];
else
dp->val.i64 = *((PRInt64*)ap++);
break;
case nsXPTType::T_U8:
if (iCount < PARAM_GPR_COUNT)
dp->val.u8 = (PRUint8)gprData[iCount++];
else
dp->val.u8 = *((PRUint8*)ap++);
break;
case nsXPTType::T_U16:
if (iCount < PARAM_GPR_COUNT)
dp->val.u16 = (PRUint16)gprData[iCount++];
else
dp->val.u16 = *((PRUint16*)ap++);
break;
case nsXPTType::T_U32:
if (iCount < PARAM_GPR_COUNT)
dp->val.u32 = (PRUint32)gprData[iCount++];
else
dp->val.u32 = *((PRUint32*)ap++);
break;
case nsXPTType::T_U64:
if (iCount < PARAM_GPR_COUNT)
dp->val.u64 = (PRUint64)gprData[iCount++];
else
dp->val.u64 = *((PRUint64*)ap++);
break;
case nsXPTType::T_FLOAT:
if (iCount < PARAM_FPR_COUNT)
dp->val.f = (float)fprData[iCount++];
else
dp->val.f = *((float*)ap++);
break;
case nsXPTType::T_DOUBLE:
if (iCount < PARAM_FPR_COUNT)
dp->val.d = (double)fprData[iCount++];
else
dp->val.d = *((double*)ap++);
break;
case nsXPTType::T_BOOL:
if (iCount < PARAM_GPR_COUNT)
dp->val.b = (PRBool)gprData[iCount++];
else
dp->val.b = *((PRBool*)ap++);
break;
case nsXPTType::T_CHAR:
if (iCount < PARAM_GPR_COUNT)
dp->val.c = (char)gprData[iCount++];
else
dp->val.c = *((char*)ap++);
break;
case nsXPTType::T_WCHAR:
if (iCount < PARAM_GPR_COUNT)
dp->val.wc = (wchar_t)gprData[iCount++];
else
dp->val.wc = *((wchar_t*)ap++);
break;
default:
NS_ASSERTION(0, "bad type");
break;
}
}
result = self->mOuter->CallMethod((PRUint16)methodIndex, info, dispatchParams);
if(dispatchParams != paramBuffer)
delete [] dispatchParams;
return result;
}
__asm__ (
".text\n"
".intel_syntax\n" /* switch to Intel syntax to look like the MSVC assembly */
".globl SharedStub\n"
".def SharedStub ; .scl 3 ; .type 46 ; .endef \n"
"SharedStub:\n"
/* rcx is this pointer. Need backup for optimized build */
"mov qword ptr [rsp+88], rcx\n"
/*
* fist 4 parameters (1st is "this" pointer) are passed in registers.
*/
/* for floating value */
"movsd qword ptr [rsp+64], xmm1\n"
"movsd qword ptr [rsp+72], xmm2\n"
"movsd qword ptr [rsp+80], xmm3\n"
/* for integer value */
"mov qword ptr [rsp+40], rdx\n"
"mov qword ptr [rsp+48], r8\n"
"mov qword ptr [rsp+56], r9\n"
/*
* Call PrepareAndDispatch function
*/
/* 5th parameter (floating parameters) of PrepareAndDispatch */
"lea r9, qword ptr [rsp+64]\n"
"mov qword ptr [rsp+32], r9\n"
/* 4th parameter (normal parameters) of PrepareAndDispatch */
"lea r9, qword ptr [rsp+40]\n"
/* 3rd parameter (pointer to args on stack) */
"lea r8, qword ptr [rsp+40+104]\n"
/* 2nd parameter (vtbl_index) */
"mov rdx, r11\n"
/* 1st parameter (this) (rcx) */
"call _PrepareAndDispatch\n"
/* restore rcx */
"mov rcx, qword ptr [rsp+88]\n"
/*
* clean up register
*/
"add rsp, 104+8\n"
/* set return address */
"mov rdx, qword ptr [rsp-8]\n"
/* simulate __stdcall return */
"jmp rdx\n"
/* back to AT&T syntax */
".att_syntax\n"
);
#define STUB_ENTRY(n) \
asm(".intel_syntax\n" /* this is in intel syntax */ \
".text\n" \
".align 2\n" \
".if " #n " < 10\n" \
".globl " SYMBOL_UNDERSCORE "_ZN14nsXPTCStubBase5Stub" #n "Ev@4\n" \
".def " SYMBOL_UNDERSCORE "_ZN14nsXPTCStubBase5Stub" #n "Ev@4\n" \
".scl 3\n" /* private */ \
".type 46\n" /* function returning unsigned int */ \
".endef\n" \
SYMBOL_UNDERSCORE "_ZN14nsXPTCStubBase5Stub" #n "Ev@4:\n" \
".elseif " #n " < 100\n" \
".globl " SYMBOL_UNDERSCORE "_ZN14nsXPTCStubBase6Stub" #n "Ev@4\n" \
".def " SYMBOL_UNDERSCORE "_ZN14nsXPTCStubBase6Stub" #n "Ev@4\n" \
".scl 3\n" /* private */\
".type 46\n" /* function returning unsigned int */ \
".endef\n" \
SYMBOL_UNDERSCORE "_ZN14nsXPTCStubBase6Stub" #n "Ev@4:\n" \
".elseif " #n " < 1000\n" \
".globl " SYMBOL_UNDERSCORE "_ZN14nsXPTCStubBase7Stub" #n "Ev@4\n" \
".def " SYMBOL_UNDERSCORE "_ZN14nsXPTCStubBase7Stub" #n "Ev@4\n" \
".scl 3\n" /* private */ \
".type 46\n" /* function returning unsigned int */ \
".endef\n" \
SYMBOL_UNDERSCORE "_ZN14nsXPTCStubBase7Stub" #n "Ev@4:\n" \
".else\n" \
".err \"stub number " #n " >= 1000 not yet supported\"\n" \
".endif\n" \
"push rbx\n" \
"mov rbx, " #n "\n" \
"jmp SharedStub\n" \
".att_syntax\n" /* back to AT&T syntax */ \
"");
#define SENTINEL_ENTRY(n) \
nsresult nsXPTCStubBase::Sentinel##n() \
{ \
NS_ASSERTION(0,"nsXPTCStubBase::Sentinel called"); \
return NS_ERROR_NOT_IMPLEMENTED; \
}
#include "xptcstubsdef.inc"