Check in initial, non-working XPTCall code from Linux-PPC.

This commit is contained in:
waterson%netscape.com 1999-12-01 04:56:46 +00:00
Родитель a19c2c4c87
Коммит a00b3b52d4
5 изменённых файлов: 568 добавлений и 0 удалений

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@ -147,6 +147,11 @@ CPPSRCS := xptcinvoke_ppc_aix.cpp xptcstubs_ppc_aix.cpp
ASFILES := xptcinvoke_asm_ppc_aix.s xptcstubs_asm_ppc_aix.s ASFILES := xptcinvoke_asm_ppc_aix.s xptcstubs_asm_ppc_aix.s
endif endif
ifeq ($(OS_ARCH)$(OS_TEST),Linuxppc)
CPPSRCS := xptcinvoke_ppc_linux.cpp xptcstubs_ppc_linux.cpp
ASFILES := xptcinvoke_asm_ppc_linux.s xptcstubs_asm_ppc_linux.s
endif
###################################################################### ######################################################################
# SPARC # SPARC
###################################################################### ######################################################################

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@ -0,0 +1,128 @@
#
# -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
#
# The contents of this file are subject to the Netscape 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/NPL/
#
# 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 Netscape are
# Copyright (C) 1999 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s):
#
.set r0,0; .set sp,1; .set RTOC,2; .set r3,3; .set r4,4
.set r5,5; .set r6,6; .set r7,7; .set r8,8; .set r9,9
.set r10,10; .set r11,11; .set r12,12; .set r13,13; .set r14,14
.set r15,15; .set r16,16; .set r17,17; .set r18,18; .set r19,19
.set r20,20; .set r21,21; .set r22,22; .set r23,23; .set r24,24
.set r25,25; .set r26,26; .set r27,27; .set r28,28; .set r29,29
.set r30,30; .set r31,31
.set f0,0; .set f1,1; .set f2,2; .set f3,3; .set f4,4
.set f5,5; .set f6,6; .set f7,7; .set f8,8; .set f9,9
.set f10,10; .set f11,11; .set f12,12; .set f13,13; .set f14,14
.set f15,15; .set f16,16; .set f17,17; .set f18,18; .set f19,19
.set f20,20; .set f21,21; .set f22,22; .set f23,23; .set f24,24
.set f25,25; .set f26,26; .set f27,27; .set f28,28; .set f29,29
.set f30,30; .set f31,31
# .text section
.globl XPTC_InvokeByIndex
.extern invoke_count_words
.extern invoke_copy_to_stack
#
# XPTC_InvokeByIndex(nsISupports* that, PRUint32 methodIndex,
# PRUint32 paramCount, nsXPTCVariant* params)
#
XPTC_InvokeByIndex:
mflr r0
stw r31,-4(sp)
#
# save off the incoming values in the caller's parameter area
#
stw r3,24(sp) # that
stw r4,28(sp) # methodIndex
stw r5,32(sp) # paramCount
stw r6,36(sp) # params
stw r0,8(sp)
stwu sp,-136(sp) # = 24 for linkage area, 8 * 13 for fprData area, 8 for saved registers
# set up for and call 'invoke_count_words' to get new stack size
#
mr r3,r5
mr r4,r6
bl invoke_count_words
nop
# prepare args for 'invoke_copy_to_stack' call
#
lwz r4,168(sp) # paramCount
lwz r5,172(sp) # params
mr r6,sp # fprData
slwi r3,r3,2 # number of bytes of stack required
addi r3,r3,28 # linkage area
mr r31,sp # save original stack top
subfc sp,r3,sp # bump the stack
addi r3,sp,28 # parameter pointer excludes linkage area size + 'this'
bl invoke_copy_to_stack
nop
lfd f1,0(r31) # Restore floating point registers
lfd f2,8(r31)
lfd f3,16(r31)
lfd f4,24(r31)
lfd f5,32(r31)
lfd f6,40(r31)
lfd f7,48(r31)
lfd f8,56(r31)
lfd f9,64(r31)
lfd f10,72(r31)
lfd f11,80(r31)
lfd f12,88(r31)
lfd f13,96(r31)
lwz r3,160(r31) # that
lwz r4,0(r3) # get vTable from 'that'
lwz r5,164(r31) # methodIndex
slwi r5,r5,3 # methodIndex * 8
addi r5,r5,8 # step over junk at start of vTable !
lwzx r11,r5,r4 # get function pointer
lwz r4,28(sp)
lwz r5,32(sp)
lwz r6,36(sp)
lwz r7,40(sp)
lwz r8,44(sp)
lwz r9,48(sp)
lwz r10,52(sp)
mtlr r11
blrl
mr sp,r31
lwz r0,144(sp)
addi sp,sp,136
mtlr r0
lwz r31,-4(sp)
blr

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@ -0,0 +1,131 @@
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
/* Platform specific code to invoke XPCOM methods on native objects */
#include "xptcprivate.h"
typedef unsigned nsXPCVariant;
extern "C" PRUint32
invoke_count_words(PRUint32 paramCount, nsXPTCVariant* s)
{
PRUint32 result = 0;
for(PRUint32 i = 0; i < paramCount; i++, s++)
{
if(s->IsPtrData())
{
result++;
continue;
}
switch(s->type)
{
case nsXPTType::T_I8 :
case nsXPTType::T_I16 :
case nsXPTType::T_I32 :
result++;
break;
case nsXPTType::T_I64 :
result+=2;
break;
case nsXPTType::T_U8 :
case nsXPTType::T_U16 :
case nsXPTType::T_U32 :
result++;
break;
case nsXPTType::T_U64 :
result+=2;
break;
case nsXPTType::T_FLOAT :
result++;
break;
case nsXPTType::T_DOUBLE :
result+=2;
break;
case nsXPTType::T_BOOL :
case nsXPTType::T_CHAR :
case nsXPTType::T_WCHAR :
result++;
break;
default:
// all the others are plain pointer types
result++;
break;
}
}
// nuts, I know there's a cooler way of doing this, but it's late
// now and it'll probably come to me in the morning.
if (result & 0x3)
result += 4 - (result & 0x3); // ensure q-word alignment
return result;
}
extern "C" void
invoke_copy_to_stack(PRUint32* d, PRUint32 paramCount, nsXPTCVariant* s)
{
/*
We need to copy the parameters for this function to locals and use them
from there since the parameters occupy the same stack space as the stack
we're trying to populate.
*/
uint32 *l_d = d;
nsXPTCVariant *l_s = s;
uint32 l_paramCount = paramCount;
typedef struct {
uint32 hi;
uint32 lo;
} DU; // have to move 64 bit entities as 32 bit halves since
// stack slots are not guaranteed 16 byte aligned
for(uint32 i = 0; i < l_paramCount; i++, l_d++, l_s++)
{
if(l_s->IsPtrData())
{
*((void**)l_d) = l_s->ptr;
continue;
}
switch(l_s->type)
{
case nsXPTType::T_I8 : *((int32*) l_d) = l_s->val.i8; break;
case nsXPTType::T_I16 : *((int32*) l_d) = l_s->val.i16; break;
case nsXPTType::T_I32 : *((int32*) l_d) = l_s->val.i32; break;
case nsXPTType::T_I64 :
case nsXPTType::T_U64 :
case nsXPTType::T_DOUBLE : *((uint32*) l_d++) = ((DU *)l_s)->hi;
*((uint32*) l_d) = ((DU *)l_s)->lo;
break;
case nsXPTType::T_U8 : *((uint32*) l_d) = l_s->val.u8; break;
case nsXPTType::T_U16 : *((uint32*) l_d) = l_s->val.u16; break;
case nsXPTType::T_U32 : *((uint32*) l_d) = l_s->val.u32; break;
case nsXPTType::T_FLOAT : *((float*) l_d) = l_s->val.f; break;
case nsXPTType::T_BOOL : *((PRBool*) l_d) = l_s->val.b; break;
case nsXPTType::T_CHAR : *((uint32*) l_d) = l_s->val.c; break;
case nsXPTType::T_WCHAR : *((int32*) l_d) = l_s->val.wc; break;
default:
// all the others are plain pointer types
*((void**)l_d) = l_s->val.p;
break;
}
}
}

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@ -0,0 +1,95 @@
#
# -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
#
# The contents of this file are subject to the Netscape 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/NPL/
#
# 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 Netscape are
# Copyright (C) 1999 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s):
#
.set r0,0; .set sp,1; .set RTOC,2; .set r3,3; .set r4,4
.set r5,5; .set r6,6; .set r7,7; .set r8,8; .set r9,9
.set r10,10; .set r11,11; .set r12,12; .set r13,13; .set r14,14
.set r15,15; .set r16,16; .set r17,17; .set r18,18; .set r19,19
.set r20,20; .set r21,21; .set r22,22; .set r23,23; .set r24,24
.set r25,25; .set r26,26; .set r27,27; .set r28,28; .set r29,29
.set r30,30; .set r31,31
.set f0,0; .set f1,1; .set f2,2; .set f3,3; .set f4,4
.set f5,5; .set f6,6; .set f7,7; .set f8,8; .set f9,9
.set f10,10; .set f11,11; .set f12,12; .set f13,13; .set f14,14
.set f15,15; .set f16,16; .set f17,17; .set f18,18; .set f19,19
.set f20,20; .set f21,21; .set f22,22; .set f23,23; .set f24,24
.set f25,25; .set f26,26; .set f27,27; .set f28,28; .set f29,29
.set f30,30; .set f31,31
# .text section
.globl SharedStub
.extern PrepareAndDispatch
#
# on entry SharedStub has the method selector in r12, the rest of the original
# parameters are in r3 thru r10 and f1 thru f13
#
SharedStub:
mflr r0
stw r0,8(sp)
stwu sp,-176(sp) # room for linkage (24), fprData (104), gprData(28)
# outgoing params to PrepareAndDispatch (20)
stw r4,44(sp)
stw r5,48(sp)
stw r6,52(sp)
stw r7,56(sp)
stw r8,60(sp)
stw r9,64(sp)
stw r10,68(sp)
stfd f1,72(sp)
stfd f2,80(sp)
stfd f3,88(sp)
stfd f4,96(sp)
stfd f5,104(sp)
stfd f6,112(sp)
stfd f7,120(sp)
stfd f8,128(sp)
stfd f9,136(sp)
stfd f10,144(sp)
stfd f11,152(sp)
stfd f12,156(sp)
stfd f13,164(sp)
addi r6,sp,44 # gprData
addi r7,sp,72 # fprData
# r3 has the 'self' pointer already
# mr r4,r12 # methodIndex selector
addi r5,sp,232 # pointer to callers args area, beyond r3-r10 mapped range
bl PrepareAndDispatch
nop
lwz r0,184(sp)
addi sp,sp,176
mtlr r0
blr

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@ -0,0 +1,209 @@
/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 Netscape are
* Copyright (C) 1999 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
/* Implement shared vtbl methods. */
#include "xptcprivate.h"
/*
For PPC (AIX & MAC), the first 8 integral and the first 13 f.p. parameters
arrive in a separate chunk of data that has been loaded from the registers.
The args pointer has been set to the start of the parameters BEYOND the ones
arriving in registers
*/
extern "C" nsresult
PrepareAndDispatch(nsXPTCStubBase* self, PRUint32 methodIndex, PRUint32* args, PRUint32 *gprData, double *fprData)
{
typedef struct {
uint32 hi;
uint32 lo; // have to move 64 bit entities as 32 bit halves since
} DU; // stack slots are not guaranteed 16 byte aligned
#define PARAM_BUFFER_COUNT 16
#define PARAM_GPR_COUNT 7
nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
nsXPTCMiniVariant* dispatchParams = NULL;
nsIInterfaceInfo* iface_info = NULL;
const nsXPTMethodInfo* info;
PRUint8 paramCount;
PRUint8 i;
nsresult result = NS_ERROR_FAILURE;
NS_ASSERTION(self,"no self");
self->GetInterfaceInfo(&iface_info);
NS_ASSERTION(iface_info,"no interface info");
iface_info->GetMethodInfo(PRUint16(methodIndex), &info);
NS_ASSERTION(info,"no interface 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");
PRUint32* ap = args;
PRUint32 iCount = 0;
PRUint32 fpCount = 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)
((DU *)dp)->hi = (PRInt32) gprData[iCount++];
else
((DU *)dp)->hi = (PRInt32) *ap++;
if (iCount < PARAM_GPR_COUNT)
((DU *)dp)->lo = (PRUint32) gprData[iCount++];
else
((DU *)dp)->lo = (PRUint32) *ap++;
break;
case nsXPTType::T_U8 : if (iCount < PARAM_GPR_COUNT)
dp->val.i8 = (PRUint8) gprData[iCount++];
else
dp->val.i8 = (PRUint8) *ap++;
break;
case nsXPTType::T_U16 : if (iCount < PARAM_GPR_COUNT)
dp->val.i16 = (PRUint16) gprData[iCount++];
else
dp->val.i16 = (PRUint16) *ap++;
break;
case nsXPTType::T_U32 : if (iCount < PARAM_GPR_COUNT)
dp->val.i32 = (PRUint32) gprData[iCount++];
else
dp->val.i32 = (PRUint32) *ap++;
break;
case nsXPTType::T_U64 : if (iCount < PARAM_GPR_COUNT)
((DU *)dp)->hi = (PRUint32) gprData[iCount++];
else
((DU *)dp)->hi = (PRUint32) *ap++;
if (iCount < PARAM_GPR_COUNT)
((DU *)dp)->lo = (PRUint32) gprData[iCount++];
else
((DU *)dp)->lo = (PRUint32) *ap++;
break;
case nsXPTType::T_FLOAT : if (fpCount < 13) {
dp->val.f = (float) fprData[fpCount++];
if (iCount < PARAM_GPR_COUNT)
++iCount;
else
++ap;
}
else
dp->val.f = *((float*) ap++);
break;
case nsXPTType::T_DOUBLE : if (fpCount < 13) {
dp->val.d = (double) fprData[fpCount++];
if (iCount < PARAM_GPR_COUNT)
++iCount;
else
++ap;
if (iCount < PARAM_GPR_COUNT)
++iCount;
else
++ap;
}
else {
dp->val.f = *((double*) ap);
ap += 2;
}
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->CallMethod((PRUint16)methodIndex, info, dispatchParams);
NS_RELEASE(iface_info);
if(dispatchParams != paramBuffer)
delete [] dispatchParams;
return result;
}
extern "C" int SharedStub(void *, int);
#define STUB_ENTRY(n) \
nsresult nsXPTCStubBase::Stub##n() \
{ \
return SharedStub(this, n); \
} \
#define SENTINEL_ENTRY(n) \
nsresult nsXPTCStubBase::Sentinel##n() \
{ \
NS_ASSERTION(0,"nsXPTCStubBase::Sentinel called"); \
return NS_ERROR_NOT_IMPLEMENTED; \
}
#include "xptcstubsdef.inc"