path: root/www/firefox10/files/patch-xptcall-sparc64

$FreeBSD$

--- /dev/null	Mon May 26 13:22:00 2003
+++ xpcom/reflect/xptcall/src/md/unix/xptcstubs_sparc64_freebsd.cpp	Mon May 26 04:12:55 2003
@@ -0,0 +1,123 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * 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 Netscape are
+ * Copyright (C) 2001 Netscape Communications Corporation. All
+ * Rights Reserved.
+ * 
+ * Contributor(s): 
+ *   Stuart Parmenter <pavlov@netscape.com>
+ */
+
+/* Implement shared vtbl methods. */
+
+#include "xptcprivate.h"
+
+#if defined(sparc) || defined(__sparc__)
+
+extern "C" nsresult
+PrepareAndDispatch(nsXPTCStubBase* self, PRUint64 methodIndex, PRUint64* args)
+{
+
+#define PARAM_BUFFER_COUNT     16
+
+    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");
+
+    PRUint64* ap = args;
+    for(i = 0; i < paramCount; i++, ap++)
+    {
+        const nsXPTParamInfo& param = info->GetParam(i);
+        const nsXPTType& type = param.GetType();
+        nsXPTCMiniVariant* dp = &dispatchParams[i];
+
+        if(param.IsOut() || !type.IsArithmetic())
+        {
+            dp->val.p = (void*) *ap;
+            continue;
+        }
+        // else
+        switch(type)
+        {
+        case nsXPTType::T_I8     : dp->val.i8  = *((PRInt64*)  ap);      break;
+        case nsXPTType::T_I16    : dp->val.i16 = *((PRInt64*) ap);       break;
+        case nsXPTType::T_I32    : dp->val.i32 = *((PRInt64*) ap);       break;
+        case nsXPTType::T_DOUBLE : dp->val.d   = *((double*) ap);        break;
+        case nsXPTType::T_U64    : dp->val.u64 = *((PRUint64*) ap);      break;
+        case nsXPTType::T_I64    : dp->val.i64 = *((PRInt64*) ap);       break;
+        case nsXPTType::T_U8     : dp->val.u8  = *((PRUint64*) ap);      break;
+        case nsXPTType::T_U16    : dp->val.u16 = *((PRUint64*)ap);       break;
+        case nsXPTType::T_U32    : dp->val.u32 = *((PRUint64*)ap);       break;
+        case nsXPTType::T_FLOAT  : dp->val.f   = ((float*)   ap)[1];     break;
+        case nsXPTType::T_BOOL   : dp->val.b   = *((PRInt64*)  ap);      break;
+        case nsXPTType::T_CHAR   : dp->val.c   = *((PRUint64*) ap);      break;
+        case nsXPTType::T_WCHAR  : dp->val.wc  = *((PRInt64*) 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(int, int*);
+
+#define STUB_ENTRY(n) \
+nsresult nsXPTCStubBase::Stub##n() \
+{ \
+	int dummy; /* defeat tail-call optimization */ \
+	return SharedStub(n, &dummy); \
+}
+
+#define SENTINEL_ENTRY(n) \
+nsresult nsXPTCStubBase::Sentinel##n() \
+{ \
+    NS_ASSERTION(0,"nsXPTCStubBase::Sentinel called"); \
+    return NS_ERROR_NOT_IMPLEMENTED; \
+}
+
+#include "xptcstubsdef.inc"
+
+#endif /* sparc || __sparc__ */
--- /dev/null	Mon May 26 13:22:00 2003
+++ xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_sparc64_freebsd.s	Mon May 26 04:06:09 2003
@@ -0,0 +1,104 @@
+/* -*- Mode: asm; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * 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 Netscape are
+ * Copyright (C) 2001 Netscape Communications Corporation. All
+ * Rights Reserved.
+ * 
+ * Contributor(s): 
+ *   Stuart Parmenter <pavlov@netscape.com>
+ *   Chris Seawood <cls@seawood.org>
+ */
+
+/*
+    Platform specific code to invoke XPCOM methods on native objects
+    for sparcv9 Solaris.
+
+    See the SPARC Compliance Definition (SCD) Chapter 3
+    for more information about what is going on here, including
+    the use of BIAS (0x7ff).
+    The SCD is available from http://www.sparc.com/.
+*/
+
+        .global XPTC_InvokeByIndex
+        .type   XPTC_InvokeByIndex, #function
+
+/*
+    XPTC_InvokeByIndex(nsISupports* that, PRUint32 methodIndex,
+                   PRUint32 paramCount, nsXPTCVariant* params);
+    
+*/
+XPTC_InvokeByIndex:
+        save    %sp,-(128 + 64),%sp ! room for the register window and
+                                    ! struct pointer, rounded up to 0 % 64
+        sll     %i2,4,%l0           ! assume the worst case
+                                    ! paramCount * 2 * 8 bytes
+        cmp     %l0, 0              ! are there any args? If not,
+        be      .invoke             ! no need to copy args to stack
+         nop
+
+        sub     %sp,%l0,%sp         ! create the additional stack space
+        add     %sp,0x7ff+136,%o0   ! step past the register window, the
+                                    ! struct result pointer and the 'this' slot
+        mov     %i2,%o1             ! paramCount
+        call    invoke_copy_to_stack
+        mov     %i3,%o2             ! params
+
+!
+!   load arguments from stack into the outgoing registers
+!   BIAS is 0x7ff (2047)
+!
+
+!   load the %o1..5 64bit (extended word) output registers registers 
+        ldx     [%sp + 0x7ff + 136],%o1    ! %i1
+        ldx     [%sp + 0x7ff + 144],%o2    ! %i2
+        ldx     [%sp + 0x7ff + 152],%o3    ! %i3
+        ldx     [%sp + 0x7ff + 160],%o4    ! %i4
+        ldx     [%sp + 0x7ff + 168],%o5    ! %i5
+
+!   load the even number double registers starting with %d2
+        ldd     [%sp + 0x7ff + 136],%f2
+        ldd     [%sp + 0x7ff + 144],%f4
+        ldd     [%sp + 0x7ff + 152],%f6
+        ldd     [%sp + 0x7ff + 160],%f8
+        ldd     [%sp + 0x7ff + 168],%f10
+        ldd     [%sp + 0x7ff + 176],%f12
+        ldd     [%sp + 0x7ff + 184],%f14
+        ldd     [%sp + 0x7ff + 192],%f16
+        ldd     [%sp + 0x7ff + 200],%f18
+        ldd     [%sp + 0x7ff + 208],%f20
+        ldd     [%sp + 0x7ff + 216],%f22
+        ldd     [%sp + 0x7ff + 224],%f24
+        ldd     [%sp + 0x7ff + 232],%f26
+        ldd     [%sp + 0x7ff + 240],%f28
+        ldd     [%sp + 0x7ff + 248],%f30
+
+!
+!   calculate the target address from the vtable
+!
+.invoke:
+        sll     %i1,3,%l0           ! index *= 8
+!       add     %l0,16,%l0          ! there are 2 extra entries in the vTable (16bytes)
+        ldx     [%i0],%l1           ! *that --> address of vtable
+        ldx     [%l0 + %l1],%l0     ! that->vtable[index * 8 + 16] --> address
+
+        jmpl    %l0,%o7             ! call the routine
+        mov     %i0,%o0             ! move 'this' pointer to out register
+
+        mov     %o0,%i0             ! propagate return value
+        ret
+        restore
+
+        .size    XPTC_InvokeByIndex, .-XPTC_InvokeByIndex
--- /dev/null	Mon May 26 14:00:00 2003
+++ xpcom/reflect/xptcall/src/md/unix/xptcinvoke_sparc64_freebsd.cpp	Mon May 26 14:00:49 2003
@@ -0,0 +1,91 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * 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 Netscape are
+ * Copyright (C) 2001 Netscape Communications Corporation. All
+ * Rights Reserved.
+ * 
+ * Contributor(s): 
+ *   Stuart Parmenter <pavlov@netscape.com>
+ *   Chris Seawood <cls@seawood.org>
+ */
+
+
+/* Platform specific code to invoke XPCOM methods on native objects */
+
+#include "xptcprivate.h"
+
+#if !defined(__sparc) && !defined(__sparc__)
+#error "This code is for Sparc only"
+#endif
+
+/* Prototype specifies unmangled function name */
+extern "C" PRUint64
+invoke_copy_to_stack(PRUint64* d, PRUint32 paramCount, nsXPTCVariant* s);
+
+extern "C" PRUint64
+invoke_copy_to_stack(PRUint64* 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.
+  */
+  PRUint64 *l_d = d;
+  nsXPTCVariant *l_s = s;
+  PRUint64 l_paramCount = paramCount;
+  PRUint64 regCount = 0;  // return the number of registers to load from the stack
+
+  for(PRUint64 i = 0; i < l_paramCount; i++, l_d++, l_s++)
+  {
+    if (regCount < 5) regCount++;
+
+    if (l_s->IsPtrData())
+    {
+      *l_d = (PRUint64)l_s->ptr;
+      continue;
+    }
+    switch (l_s->type)
+    {
+      case nsXPTType::T_I8    : *((PRInt64*)l_d)     = l_s->val.i8;    break;
+      case nsXPTType::T_I16   : *((PRInt64*)l_d)     = l_s->val.i16;   break;
+      case nsXPTType::T_I32   : *((PRInt64*)l_d)     = l_s->val.i32;   break;
+      case nsXPTType::T_I64   : *((PRInt64*)l_d)     = l_s->val.i64;   break;
+      
+      case nsXPTType::T_U8    : *((PRUint64*)l_d)    = l_s->val.u8;    break;
+      case nsXPTType::T_U16   : *((PRUint64*)l_d)    = l_s->val.u16;   break;
+      case nsXPTType::T_U32   : *((PRUint64*)l_d)    = l_s->val.u32;   break;
+      case nsXPTType::T_U64   : *((PRUint64*)l_d)    = l_s->val.u64;   break;
+
+      /* in the case of floats, we want to put the bits in to the
+         64bit space right justified... floats in the paramter array on
+         sparcv9 use odd numbered registers.. %f1, %f3, so we have to skip
+         the space that would be occupied by %f0, %f2, etc.
+      */
+      case nsXPTType::T_FLOAT : *(((float*)l_d) + 1) = l_s->val.f;     break;
+      case nsXPTType::T_DOUBLE: *((double*)l_d)      = l_s->val.d;     break;
+      case nsXPTType::T_BOOL  : *((PRInt64*)l_d)     = l_s->val.b;     break;
+      case nsXPTType::T_CHAR  : *((PRUint64*)l_d)    = l_s->val.c;     break;
+      case nsXPTType::T_WCHAR : *((PRInt64*)l_d)     = l_s->val.wc;    break;
+
+      default:
+        // all the others are plain pointer types
+        *((void**)l_d) = l_s->val.p;
+        break;
+    }
+  }
+  
+  return regCount;
+}