зеркало из https://github.com/mozilla/gecko-dev.git
xptcstubs code for o32 mips/linux r=pavlov sr=waterson
This commit is contained in:
pavlov%netscape.com
Родитель
ed6052662d
Коммит
cfbfa26c40
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@ -1 +1,2 @@
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Makefile
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xptcstubs_asm_mips.s
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@ -180,8 +180,8 @@ endif
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ifeq ($(OS_ARCH),Linux)
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ifeq ($(OS_TEST),mips)
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CPPSRCS := xptcinvoke_mips.cpp xptcstubs_unsupported.cpp
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ASFILES := xptcinvoke_asm_mips.s
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CPPSRCS := xptcinvoke_mips.cpp xptcstubs_mips.cpp
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ASFILES := xptcinvoke_asm_mips.s xptcstubs_asm_mips.s
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#xptcstubs_mips.cpp
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# xptcstubs_asm_mips.s
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ifdef GNU_CC
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@ -280,6 +280,14 @@ DEFINES += -DEXPORT_XPTC_API
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INCLUDES += -I$(srcdir)/../..
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ifeq ($(OS_ARCH),Linux)
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ifeq ($(OS_TEST),mips)
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xptcstubs_asm_mips.o: $(PUBLIC)/xptcstubsdef.inc $(srcdir)/xptcstubs_asm_mips.s.m4
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m4 $(INCLUDES) $(srcdir)/xptcstubs_asm_mips.s.m4 > ./xptcstubs_asm_mips.s
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$(AS) -o $@ $(ASFLAGS) $(AS_DASH_C_FLAG) $(srcdir)/xptcstubs_asm_mips.s
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endif
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endif
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ifeq ($(OS_ARCH),IRIX)
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# The assembler on IRIX (6.3 only?) seems to have trouble with the default command,
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# but works fine if we first copy the header and source file into the current dir.
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@ -0,0 +1,94 @@
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corp, Inc.
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* Portions created by the Initial Developer are Copyright (C) 2001
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Stuart Parmenter <pavlov@netscape.com>
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* Chris Waterson <waterson@netscape.com>
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*
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*/
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/* This code is for MIPS using the O32 ABI. */
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#include <sys/regdef.h>
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#include <sys/asm.h>
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.text
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.globl PrepareAndDispatch
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NARGSAVE=4 # extra space for the callee to use. gccism
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# we can put our a0-a3 in our callers space.
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LOCALSZ=2 # gp, ra
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FRAMESZ=(((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK
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define(STUB_NAME, `Stub'$1`__14nsXPTCStubBase')
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define(STUB_ENTRY,
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` .globl 'STUB_NAME($1)`
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.align 2
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.type 'STUB_NAME($1)`,@function
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.ent 'STUB_NAME($1)`, 0
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'STUB_NAME($1)`:
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.frame sp, FRAMESZ, ra
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.set noreorder
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.cpload t9
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.set reorder
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subu sp, FRAMESZ
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.cprestore 16
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li t0, '$1`
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b sharedstub
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.end 'STUB_NAME($1)`
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')
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define(SENTINEL_ENTRY, `')
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include(xptcstubsdef.inc)
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.globl sharedstub
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.ent sharedstub
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sharedstub:
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REG_S ra, 20(sp)
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REG_S a0, 24(sp)
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REG_S a1, 28(sp)
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REG_S a2, 32(sp)
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REG_S a3, 36(sp)
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# t0 is methodIndex
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move a1, t0
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# put the start of a1, a2, a3, and stack
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move a2, sp
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addi a2, 24 # have a2 point to sp + 24 (where a0 is)
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# PrepareAndDispatch(that, methodIndex, args)
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# a0 a1 a2
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#
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jal PrepareAndDispatch
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REG_L ra, 20(sp)
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REG_L a1, 28(sp)
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REG_L a2, 32(sp)
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addu sp, FRAMESZ
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j ra
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.end sharedstub
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@ -0,0 +1,116 @@
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corp, Inc.
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* Portions created by the Initial Developer are Copyright (C) 2001
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Stuart Parmenter <pavlov@netscape.com>
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*
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*/
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#include "xptcprivate.h"
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/*
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* This is for MIPS O32 ABI
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* Args contains a0-3 and then the stack.
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* Because a0 is 'this', we want to skip it
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*/
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extern "C" nsresult
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PrepareAndDispatch(nsXPTCStubBase* self, PRUint32 methodIndex, PRUint32* args)
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{
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args++; // always skip over a0
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#define PARAM_BUFFER_COUNT 16
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nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
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nsXPTCMiniVariant* dispatchParams = NULL;
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nsIInterfaceInfo* iface_info = NULL;
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const nsXPTMethodInfo* info;
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PRUint8 paramCount;
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PRUint8 i;
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nsresult result = NS_ERROR_FAILURE;
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NS_ASSERTION(self,"no self");
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self->GetInterfaceInfo(&iface_info);
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NS_ASSERTION(iface_info,"no interface info");
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iface_info->GetMethodInfo(PRUint16(methodIndex), &info);
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NS_ASSERTION(info,"no interface info");
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paramCount = info->GetParamCount();
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// setup variant array pointer
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if(paramCount > PARAM_BUFFER_COUNT)
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dispatchParams = new nsXPTCMiniVariant[paramCount];
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else
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dispatchParams = paramBuffer;
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NS_ASSERTION(dispatchParams,"no place for params");
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PRUint32* ap = args;
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for(i = 0; i < paramCount; i++, ap++)
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{
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const nsXPTParamInfo& param = info->GetParam(i);
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const nsXPTType& type = param.GetType();
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nsXPTCMiniVariant* dp = &dispatchParams[i];
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if(param.IsOut() || !type.IsArithmetic())
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{
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dp->val.p = (void*) *ap;
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continue;
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}
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dp->val.p = (void*) *ap;
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switch(type)
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{
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case nsXPTType::T_I64 :
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if ((PRWord)ap & 4) ap++;
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dp->val.i64 = *((PRInt64*) ap); ap++;
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break;
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case nsXPTType::T_U64 :
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if ((PRWord)ap & 4) ap++;
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dp->val.u64 = *((PRInt64*) ap); ap++;
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break;
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case nsXPTType::T_DOUBLE:
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if ((PRWord)ap & 4) ap++;
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dp->val.d = *((double*) ap); ap++;
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break;
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}
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}
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result = self->CallMethod((PRUint16)methodIndex, info, dispatchParams);
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NS_RELEASE(iface_info);
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if(dispatchParams != paramBuffer)
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delete [] dispatchParams;
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return result;
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}
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#define STUB_ENTRY(n) // done in the .s file
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#define SENTINEL_ENTRY(n) \
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nsresult nsXPTCStubBase::Sentinel##n() \
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{ \
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NS_ASSERTION(0,"nsXPTCStubBase::Sentinel called"); \
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return NS_ERROR_NOT_IMPLEMENTED; \
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}
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#include "xptcstubsdef.inc"
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