зеркало из https://github.com/mozilla/gecko-dev.git
Bug 537071 Add x86_64 Solaris support for xpcom/reflect/xptcall r=jst
This commit is contained in:
Ginn Chen
Родитель
0f30ad59cb
Коммит
33795445d8
|
|
@ -137,12 +137,21 @@ endif
|
|||
# Solaris/Intel
|
||||
#
|
||||
ifeq ($(OS_ARCH),SunOS)
|
||||
ifeq (x86_64,$(OS_TEST))
|
||||
CPPSRCS := xptcstubs_x86_64_solaris.cpp
|
||||
ifndef GNU_CC
|
||||
CPPSRCS += xptcinvoke_x86_64_solaris.cpp
|
||||
ASFILES := xptcstubs_asm_x86_64_solaris_SUNW.s
|
||||
else
|
||||
CPPSRCS += xptcinvoke_x86_64_unix.cpp
|
||||
endif
|
||||
else
|
||||
ifeq (86,$(findstring 86,$(OS_TEST)))
|
||||
CPPSRCS := xptcinvoke_x86_solaris.cpp xptcstubs_x86_solaris.cpp
|
||||
# 28817: if Solaris Intel OS, and native compiler, always build optimised.
|
||||
ifndef GNU_CC
|
||||
ASFILES := xptcinvoke_asm_x86_solaris_SUNW.s xptcstubs_asm_x86_solaris_SUNW.s
|
||||
CXXFLAGS += -O
|
||||
endif
|
||||
endif
|
||||
endif
|
||||
endif
|
||||
|
|
@ -524,6 +533,15 @@ endif
|
|||
ifeq ($(OS_ARCH),SunOS)
|
||||
ifeq (86,$(findstring 86,$(OS_TEST)))
|
||||
ifndef GNU_CC
|
||||
ifeq (x86_64,$(OS_TEST))
|
||||
xptcstubs_asm_x86_64_solaris_SUNW.o: $(DIST)/include/xptcstubsdef.inc $(srcdir)/xptcstubs_asm_x86_64_solaris_SUNW.s
|
||||
sed \
|
||||
-e 's/^\(STUB_ENTRY\)(\([0-9]\))/\11\(\2\)/' \
|
||||
-e 's/^\(STUB_ENTRY\)(\([0-9][0-9]\))/\12\(\2\)/' \
|
||||
-e 's/^\(STUB_ENTRY\)(\([0-9][0-9][0-9]\))/\13\(\2\)/' \
|
||||
$(DIST)/include/xptcstubsdef.inc > ./xptcstubsdef_asm.solx86
|
||||
$(AS) -o $@ -xarch=amd64 $(ASFLAGS) $(AS_DASH_C_FLAG) -I./ $(srcdir)/xptcstubs_asm_x86_64_solaris_SUNW.s
|
||||
else
|
||||
xptcstubs_asm_x86_solaris_SUNW.o: $(DIST)/include/xptcstubsdef.inc $(srcdir)/xptcstubs_asm_x86_solaris_SUNW.s
|
||||
sed \
|
||||
-e 's/^\(STUB_ENTRY\)(\([0-9]\))/\11\(\2\)/' \
|
||||
|
|
@ -531,6 +549,7 @@ xptcstubs_asm_x86_solaris_SUNW.o: $(DIST)/include/xptcstubsdef.inc $(srcdir)/xpt
|
|||
-e 's/^\(STUB_ENTRY\)(\([0-9][0-9][0-9]\))/\13\(\2\)/' \
|
||||
$(DIST)/include/xptcstubsdef.inc > ./xptcstubsdef_asm.solx86
|
||||
$(AS) -o $@ $(ASFLAGS) $(AS_DASH_C_FLAG) -I./ $(srcdir)/xptcstubs_asm_x86_solaris_SUNW.s
|
||||
endif
|
||||
@rm -f ./xptcstubsdef_asm.solx86
|
||||
endif
|
||||
endif
|
||||
|
|
|
|||
|
|
@ -0,0 +1,175 @@
|
|||
/* -*- 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 ***** */
|
||||
|
||||
// Platform specific code to invoke XPCOM methods on native objects
|
||||
|
||||
#include "xptcprivate.h"
|
||||
#include "alloca.h"
|
||||
|
||||
// 6 integral parameters are passed in registers
|
||||
const PRUint32 GPR_COUNT = 6;
|
||||
|
||||
// 8 floating point parameters are passed in SSE registers
|
||||
const PRUint32 FPR_COUNT = 8;
|
||||
|
||||
// Remember that these 'words' are 64-bit long
|
||||
static inline void
|
||||
invoke_count_words(PRUint32 paramCount, nsXPTCVariant * s,
|
||||
PRUint32 & nr_gpr, PRUint32 & nr_fpr, PRUint32 & nr_stack)
|
||||
{
|
||||
nr_gpr = 1; // skip one GP register for 'that'
|
||||
nr_fpr = 0;
|
||||
nr_stack = 0;
|
||||
|
||||
/* Compute number of eightbytes of class MEMORY. */
|
||||
for (uint32 i = 0; i < paramCount; i++, s++) {
|
||||
if (!s->IsPtrData()
|
||||
&& (s->type == nsXPTType::T_FLOAT || s->type == nsXPTType::T_DOUBLE)) {
|
||||
if (nr_fpr < FPR_COUNT)
|
||||
nr_fpr++;
|
||||
else
|
||||
nr_stack++;
|
||||
}
|
||||
else {
|
||||
if (nr_gpr < GPR_COUNT)
|
||||
nr_gpr++;
|
||||
else
|
||||
nr_stack++;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
invoke_copy_to_stack(PRUint64 * d, PRUint32 paramCount, nsXPTCVariant * s,
|
||||
PRUint64 * gpregs, double * fpregs)
|
||||
{
|
||||
PRUint32 nr_gpr = 1; // skip one GP register for 'that'
|
||||
PRUint32 nr_fpr = 0;
|
||||
PRUint64 value;
|
||||
|
||||
for (uint32 i = 0; i < paramCount; i++, s++) {
|
||||
if (s->IsPtrData())
|
||||
value = (PRUint64) s->ptr;
|
||||
else {
|
||||
switch (s->type) {
|
||||
case nsXPTType::T_FLOAT: break;
|
||||
case nsXPTType::T_DOUBLE: break;
|
||||
case nsXPTType::T_I8: value = s->val.i8; break;
|
||||
case nsXPTType::T_I16: value = s->val.i16; break;
|
||||
case nsXPTType::T_I32: value = s->val.i32; break;
|
||||
case nsXPTType::T_I64: value = s->val.i64; break;
|
||||
case nsXPTType::T_U8: value = s->val.u8; break;
|
||||
case nsXPTType::T_U16: value = s->val.u16; break;
|
||||
case nsXPTType::T_U32: value = s->val.u32; break;
|
||||
case nsXPTType::T_U64: value = s->val.u64; break;
|
||||
case nsXPTType::T_BOOL: value = s->val.b; break;
|
||||
case nsXPTType::T_CHAR: value = s->val.c; break;
|
||||
case nsXPTType::T_WCHAR: value = s->val.wc; break;
|
||||
default: value = (PRUint64) s->val.p; break;
|
||||
}
|
||||
}
|
||||
|
||||
if (!s->IsPtrData() && s->type == nsXPTType::T_DOUBLE) {
|
||||
if (nr_fpr < FPR_COUNT)
|
||||
fpregs[nr_fpr++] = s->val.d;
|
||||
else {
|
||||
*((double *)d) = s->val.d;
|
||||
d++;
|
||||
}
|
||||
}
|
||||
else if (!s->IsPtrData() && s->type == nsXPTType::T_FLOAT) {
|
||||
if (nr_fpr < FPR_COUNT)
|
||||
// The value in %xmm register is already prepared to
|
||||
// be retrieved as a float. Therefore, we pass the
|
||||
// value verbatim, as a double without conversion.
|
||||
fpregs[nr_fpr++] = s->val.d;
|
||||
else {
|
||||
*((float *)d) = s->val.f;
|
||||
d++;
|
||||
}
|
||||
}
|
||||
else {
|
||||
if (nr_gpr < GPR_COUNT)
|
||||
gpregs[nr_gpr++] = value;
|
||||
else
|
||||
*d++ = value;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
EXPORT_XPCOM_API(nsresult)
|
||||
NS_InvokeByIndex_P(nsISupports * that, PRUint32 methodIndex,
|
||||
PRUint32 paramCount, nsXPTCVariant * params)
|
||||
{
|
||||
PRUint32 nr_gpr, nr_fpr, nr_stack;
|
||||
invoke_count_words(paramCount, params, nr_gpr, nr_fpr, nr_stack);
|
||||
|
||||
// Stack, if used, must be 16-bytes aligned
|
||||
if (nr_stack)
|
||||
nr_stack = (nr_stack + 1) & ~1;
|
||||
|
||||
// Load parameters to stack, if necessary
|
||||
PRUint64 *stack = (PRUint64 *) __builtin_alloca(nr_stack * 8);
|
||||
PRUint64 gpregs[GPR_COUNT];
|
||||
double fpregs[FPR_COUNT];
|
||||
invoke_copy_to_stack(stack, paramCount, params, gpregs, fpregs);
|
||||
|
||||
switch (nr_fpr) {
|
||||
case 8: asm("movupd %0, %xmm7" : : "xmm7" (fpregs[7]));
|
||||
case 7: asm("movupd %0, %xmm6" : : "xmm6" (fpregs[6]));
|
||||
case 6: asm("movupd %0, %xmm5" : : "xmm5" (fpregs[5]));
|
||||
case 5: asm("movupd %0, %xmm4" : : "xmm4" (fpregs[4]));
|
||||
case 4: asm("movupd %0, %xmm3" : : "xmm3" (fpregs[3]));
|
||||
case 3: asm("movupd %0, %xmm2" : : "xmm2" (fpregs[2]));
|
||||
case 2: asm("movupd %0, %xmm1" : : "xmm1" (fpregs[1]));
|
||||
case 1: asm("movupd %0, %xmm0" : : "xmm0" (fpregs[0]));
|
||||
case 0:;
|
||||
}
|
||||
|
||||
// Ensure that assignments to SSE registers won't be optimized away
|
||||
asm("" ::: "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7");
|
||||
|
||||
// Get pointer to method
|
||||
PRUint64 methodAddress = *((PRUint64 *)that);
|
||||
methodAddress += 16 + 8 * methodIndex;
|
||||
methodAddress = *((PRUint64 *)methodAddress);
|
||||
|
||||
typedef PRUint32 (*Method)(PRUint64, PRUint64, PRUint64, PRUint64, PRUint64, PRUint64);
|
||||
PRUint32 result = ((Method)methodAddress)((PRUint64)that, gpregs[1], gpregs[2], gpregs[3], gpregs[4], gpregs[5]);
|
||||
return result;
|
||||
}
|
||||
|
|
@ -0,0 +1,63 @@
|
|||
#define STUB_ENTRY1(nn) \
|
||||
.globl __1cOnsXPTCStubBaseFStub/**/nn/**/6M_I_; \
|
||||
.hidden __1cOnsXPTCStubBaseFStub/**/nn/**/6M_I_; \
|
||||
.type __1cOnsXPTCStubBaseFStub/**/nn/**/6M_I_, @function; \
|
||||
__1cOnsXPTCStubBaseFStub/**/nn/**/6M_I_: \
|
||||
movl $/**/nn/**/, %eax; \
|
||||
jmp SharedStub; \
|
||||
.size __1cOnsXPTCStubBaseFStub/**/nn/**/6M_I_, . - __1cOnsXPTCStubBaseFStub/**/nn/**/6M_I_ \
|
||||
|
||||
#define STUB_ENTRY2(nn) \
|
||||
.globl __1cOnsXPTCStubBaseGStub/**/nn/**/6M_I_; \
|
||||
.hidden __1cOnsXPTCStubBaseGStub/**/nn/**/6M_I_; \
|
||||
.type __1cOnsXPTCStubBaseGStub/**/nn/**/6M_I_, @function; \
|
||||
__1cOnsXPTCStubBaseGStub/**/nn/**/6M_I_: \
|
||||
movl $/**/nn/**/, %eax; \
|
||||
jmp SharedStub; \
|
||||
.size __1cOnsXPTCStubBaseGStub/**/nn/**/6M_I_, . - __1cOnsXPTCStubBaseGStub/**/nn/**/6M_I_ \
|
||||
|
||||
#define STUB_ENTRY3(nn) \
|
||||
.globl __1cOnsXPTCStubBaseHStub/**/nn/**/6M_I_; \
|
||||
.hidden __1cOnsXPTCStubBaseHStub/**/nn/**/6M_I_; \
|
||||
.type __1cOnsXPTCStubBaseHStub/**/nn/**/6M_I_, @function; \
|
||||
__1cOnsXPTCStubBaseHStub/**/nn/**/6M_I_: \
|
||||
movl $/**/nn/**/, %eax; \
|
||||
jmp SharedStub; \
|
||||
.size __1cOnsXPTCStubBaseHStub/**/nn/**/6M_I_, . - __1cOnsXPTCStubBaseHStub/**/nn/**/6M_I_ \
|
||||
|
||||
// static nsresult SharedStub(PRUint32 methodIndex)
|
||||
.type SharedStub, @function;
|
||||
SharedStub:
|
||||
// make room for gpregs (48), fpregs (64)
|
||||
pushq %rbp;
|
||||
movq %rsp,%rbp;
|
||||
subq $112,%rsp;
|
||||
// save GP registers
|
||||
movq %rdi,-112(%rbp);
|
||||
movq %rsi,-104(%rbp);
|
||||
movq %rdx, -96(%rbp);
|
||||
movq %rcx, -88(%rbp);
|
||||
movq %r8 , -80(%rbp);
|
||||
movq %r9 , -72(%rbp);
|
||||
leaq -112(%rbp),%rcx;
|
||||
// save FP registers
|
||||
movsd %xmm0,-64(%rbp);
|
||||
movsd %xmm1,-56(%rbp);
|
||||
movsd %xmm2,-48(%rbp);
|
||||
movsd %xmm3,-40(%rbp);
|
||||
movsd %xmm4,-32(%rbp);
|
||||
movsd %xmm5,-24(%rbp);
|
||||
movsd %xmm6,-16(%rbp);
|
||||
movsd %xmm7, -8(%rbp);
|
||||
leaq -64(%rbp),%r8;
|
||||
// rdi has the 'self' pointer already
|
||||
movl %eax,%esi;
|
||||
leaq 16(%rbp),%rdx;
|
||||
call PrepareAndDispatch@plt;
|
||||
leave;
|
||||
ret;
|
||||
.size SharedStub, . - SharedStub
|
||||
|
||||
#define SENTINEL_ENTRY(nn)
|
||||
|
||||
#include "xptcstubsdef_asm.solx86"
|
||||
|
|
@ -0,0 +1,243 @@
|
|||
/* -*- 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 ***** */
|
||||
|
||||
// Implement shared vtbl methods.
|
||||
|
||||
// Keep this in sync with the darwin version.
|
||||
|
||||
#include "xptcprivate.h"
|
||||
#include "xptiprivate.h"
|
||||
|
||||
// The Linux/x86-64 ABI passes the first 6 integer parameters and the
|
||||
// first 8 floating point parameters in registers (rdi, rsi, rdx, rcx,
|
||||
// r8, r9 and xmm0-xmm7), no stack space is allocated for these by the
|
||||
// caller. The rest of the parameters are passed in the callers stack
|
||||
// area.
|
||||
|
||||
const PRUint32 PARAM_BUFFER_COUNT = 16;
|
||||
const PRUint32 GPR_COUNT = 6;
|
||||
const PRUint32 FPR_COUNT = 8;
|
||||
|
||||
// PrepareAndDispatch() is called by SharedStub() and calls the actual method.
|
||||
//
|
||||
// - 'args[]' contains the arguments passed on stack
|
||||
// - 'gpregs[]' contains the arguments passed in integer registers
|
||||
// - 'fpregs[]' contains the arguments passed in floating point registers
|
||||
//
|
||||
// The parameters are mapped into an array of type 'nsXPTCMiniVariant'
|
||||
// and then the method gets called.
|
||||
|
||||
extern "C" nsresult
|
||||
PrepareAndDispatch(nsXPTCStubBase * self, PRUint32 methodIndex,
|
||||
PRUint64 * args, PRUint64 * gpregs, double *fpregs)
|
||||
{
|
||||
nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
|
||||
nsXPTCMiniVariant* dispatchParams = NULL;
|
||||
const nsXPTMethodInfo* info;
|
||||
PRUint32 paramCount;
|
||||
PRUint32 i;
|
||||
nsresult result = NS_ERROR_FAILURE;
|
||||
|
||||
NS_ASSERTION(self,"no self");
|
||||
|
||||
self->mEntry->GetMethodInfo(PRUint16(methodIndex), &info);
|
||||
NS_ASSERTION(info,"no method info");
|
||||
if (!info)
|
||||
return NS_ERROR_UNEXPECTED;
|
||||
|
||||
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");
|
||||
if (!dispatchParams)
|
||||
return NS_ERROR_OUT_OF_MEMORY;
|
||||
|
||||
PRUint64* ap = args;
|
||||
PRUint32 nr_gpr = 1; // skip one GPR register for 'that'
|
||||
PRUint32 nr_fpr = 0;
|
||||
PRUint64 value;
|
||||
|
||||
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 == nsXPTType::T_DOUBLE) {
|
||||
if (nr_fpr < FPR_COUNT)
|
||||
dp->val.d = fpregs[nr_fpr++];
|
||||
else
|
||||
dp->val.d = *(double*) ap++;
|
||||
continue;
|
||||
}
|
||||
else if (!param.IsOut() && type == nsXPTType::T_FLOAT) {
|
||||
if (nr_fpr < FPR_COUNT)
|
||||
// The value in %xmm register is already prepared to
|
||||
// be retrieved as a float. Therefore, we pass the
|
||||
// value verbatim, as a double without conversion.
|
||||
dp->val.d = *(double*) ap++;
|
||||
else
|
||||
dp->val.f = *(float*) ap++;
|
||||
continue;
|
||||
}
|
||||
else {
|
||||
if (nr_gpr < GPR_COUNT)
|
||||
value = gpregs[nr_gpr++];
|
||||
else
|
||||
value = *ap++;
|
||||
}
|
||||
|
||||
if (param.IsOut() || !type.IsArithmetic()) {
|
||||
dp->val.p = (void*) value;
|
||||
continue;
|
||||
}
|
||||
|
||||
switch (type) {
|
||||
case nsXPTType::T_I8: dp->val.i8 = (PRInt8) value; break;
|
||||
case nsXPTType::T_I16: dp->val.i16 = (PRInt16) value; break;
|
||||
case nsXPTType::T_I32: dp->val.i32 = (PRInt32) value; break;
|
||||
case nsXPTType::T_I64: dp->val.i64 = (PRInt64) value; break;
|
||||
case nsXPTType::T_U8: dp->val.u8 = (PRUint8) value; break;
|
||||
case nsXPTType::T_U16: dp->val.u16 = (PRUint16) value; break;
|
||||
case nsXPTType::T_U32: dp->val.u32 = (PRUint32) value; break;
|
||||
case nsXPTType::T_U64: dp->val.u64 = (PRUint64) value; break;
|
||||
case nsXPTType::T_BOOL: dp->val.b = (PRBool) value; break;
|
||||
case nsXPTType::T_CHAR: dp->val.c = (char) value; break;
|
||||
case nsXPTType::T_WCHAR: dp->val.wc = (wchar_t) value; break;
|
||||
|
||||
default:
|
||||
NS_ERROR("bad type");
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
result = self->mOuter->CallMethod((PRUint16) methodIndex, info, dispatchParams);
|
||||
|
||||
if (dispatchParams != paramBuffer)
|
||||
delete [] dispatchParams;
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
#ifdef __SUNPRO_CC
|
||||
#define STUB_ENTRY(n)
|
||||
#else
|
||||
#if defined(__GXX_ABI_VERSION) && __GXX_ABI_VERSION >= 100 /* G++ V3 ABI */
|
||||
// Linux/x86-64 uses gcc >= 3.1
|
||||
#define STUB_ENTRY(n) \
|
||||
asm(".section \".text\"\n\t" \
|
||||
".align 2\n\t" \
|
||||
".if " #n " < 10\n\t" \
|
||||
".globl _ZN14nsXPTCStubBase5Stub" #n "Ev\n\t" \
|
||||
".hidden _ZN14nsXPTCStubBase5Stub" #n "Ev\n\t" \
|
||||
".type _ZN14nsXPTCStubBase5Stub" #n "Ev,@function\n" \
|
||||
"_ZN14nsXPTCStubBase5Stub" #n "Ev:\n\t" \
|
||||
".elseif " #n " < 100\n\t" \
|
||||
".globl _ZN14nsXPTCStubBase6Stub" #n "Ev\n\t" \
|
||||
".hidden _ZN14nsXPTCStubBase6Stub" #n "Ev\n\t" \
|
||||
".type _ZN14nsXPTCStubBase6Stub" #n "Ev,@function\n" \
|
||||
"_ZN14nsXPTCStubBase6Stub" #n "Ev:\n\t" \
|
||||
".elseif " #n " < 1000\n\t" \
|
||||
".globl _ZN14nsXPTCStubBase7Stub" #n "Ev\n\t" \
|
||||
".hidden _ZN14nsXPTCStubBase7Stub" #n "Ev\n\t" \
|
||||
".type _ZN14nsXPTCStubBase7Stub" #n "Ev,@function\n" \
|
||||
"_ZN14nsXPTCStubBase7Stub" #n "Ev:\n\t" \
|
||||
".else\n\t" \
|
||||
".err \"stub number " #n " >= 1000 not yet supported\"\n\t" \
|
||||
".endif\n\t" \
|
||||
"movl $" #n ", %eax\n\t" \
|
||||
"jmp SharedStub\n\t" \
|
||||
".if " #n " < 10\n\t" \
|
||||
".size _ZN14nsXPTCStubBase5Stub" #n "Ev,.-_ZN14nsXPTCStubBase5Stub" #n "Ev\n\t" \
|
||||
".elseif " #n " < 100\n\t" \
|
||||
".size _ZN14nsXPTCStubBase6Stub" #n "Ev,.-_ZN14nsXPTCStubBase6Stub" #n "Ev\n\t" \
|
||||
".else\n\t" \
|
||||
".size _ZN14nsXPTCStubBase7Stub" #n "Ev,.-_ZN14nsXPTCStubBase7Stub" #n "Ev\n\t" \
|
||||
".endif");
|
||||
|
||||
// static nsresult SharedStub(PRUint32 methodIndex)
|
||||
asm(".section \".text\"\n\t"
|
||||
".align 2\n\t"
|
||||
".type SharedStub,@function\n\t"
|
||||
"SharedStub:\n\t"
|
||||
// make room for gpregs (48), fpregs (64)
|
||||
"pushq %rbp\n\t"
|
||||
"movq %rsp,%rbp\n\t"
|
||||
"subq $112,%rsp\n\t"
|
||||
// save GP registers
|
||||
"movq %rdi,-112(%rbp)\n\t"
|
||||
"movq %rsi,-104(%rbp)\n\t"
|
||||
"movq %rdx, -96(%rbp)\n\t"
|
||||
"movq %rcx, -88(%rbp)\n\t"
|
||||
"movq %r8 , -80(%rbp)\n\t"
|
||||
"movq %r9 , -72(%rbp)\n\t"
|
||||
"leaq -112(%rbp),%rcx\n\t"
|
||||
// save FP registers
|
||||
"movsd %xmm0,-64(%rbp)\n\t"
|
||||
"movsd %xmm1,-56(%rbp)\n\t"
|
||||
"movsd %xmm2,-48(%rbp)\n\t"
|
||||
"movsd %xmm3,-40(%rbp)\n\t"
|
||||
"movsd %xmm4,-32(%rbp)\n\t"
|
||||
"movsd %xmm5,-24(%rbp)\n\t"
|
||||
"movsd %xmm6,-16(%rbp)\n\t"
|
||||
"movsd %xmm7, -8(%rbp)\n\t"
|
||||
"leaq -64(%rbp),%r8\n\t"
|
||||
// rdi has the 'self' pointer already
|
||||
"movl %eax,%esi\n\t"
|
||||
"leaq 16(%rbp),%rdx\n\t"
|
||||
"call PrepareAndDispatch@plt\n\t"
|
||||
"leave\n\t"
|
||||
"ret\n\t"
|
||||
".size SharedStub,.-SharedStub");
|
||||
#else
|
||||
#error "Unsupported compiler. Use gcc >= 3.1 for Linux/x86-64."
|
||||
#endif /* GNUC */
|
||||
#endif /* Sun Studio */
|
||||
|
||||
#define SENTINEL_ENTRY(n) \
|
||||
nsresult nsXPTCStubBase::Sentinel##n() \
|
||||
{ \
|
||||
NS_ERROR("nsXPTCStubBase::Sentinel called"); \
|
||||
return NS_ERROR_NOT_IMPLEMENTED; \
|
||||
}
|
||||
|
||||
#include "xptcstubsdef.inc"
|
||||
Загрузка…
Ссылка в новой задаче