Add m-esr52 at 52.6.0

1 files changed, 185 insertions, 0 deletions

diff --git a/xpcom/reflect/xptcall/md/unix/xptcstubs_ppc_aix.cpp b/xpcom/reflect/xptcall/md/unix/xptcstubs_ppc_aix.cpp
new file mode 100644
index 000000000..0463c21c5
--- /dev/null
+++ b/xpcom/reflect/xptcall/md/unix/xptcstubs_ppc_aix.cpp
@@ -0,0 +1,185 @@
+/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* Implement shared vtbl methods. */
+
+#include "xptcprivate.h"
+#include "xptiprivate.h"
+
+#if defined(AIX)
+
+/*
+        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 ATTRIBUTE_USED
+PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint32_t* args, uint32_t *gprData, double *fprData)
+{
+    typedef struct {
+        uint32_t hi;
+        uint32_t 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 = nullptr;
+    const nsXPTMethodInfo* info = nullptr;
+    uint8_t paramCount;
+    uint8_t i;
+    nsresult result = NS_ERROR_FAILURE;
+
+    NS_ASSERTION(self,"no self");
+
+    self->mEntry->GetMethodInfo(uint16_t(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");
+
+    uint32_t* ap = args;
+    uint32_t iCount = 0;
+    uint32_t 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  = (int8_t) gprData[iCount++];
+                                     else
+                                         dp->val.i8  = (int8_t)  *ap++;
+                                     break;
+        case nsXPTType::T_I16     :  if (iCount < PARAM_GPR_COUNT)
+                                         dp->val.i16  = (int16_t) gprData[iCount++];
+                                     else
+                                         dp->val.i16  = (int16_t)  *ap++;
+                                     break;
+        case nsXPTType::T_I32     :  if (iCount < PARAM_GPR_COUNT)
+                                         dp->val.i32  = (int32_t) gprData[iCount++];
+                                     else
+                                         dp->val.i32  = (int32_t)  *ap++;
+                                     break;
+        case nsXPTType::T_I64     :  if (iCount < PARAM_GPR_COUNT)
+                                         ((DU *)dp)->hi  = (int32_t) gprData[iCount++];
+                                     else
+                                         ((DU *)dp)->hi  = (int32_t)  *ap++;
+                                     if (iCount < PARAM_GPR_COUNT)
+                                         ((DU *)dp)->lo  = (uint32_t) gprData[iCount++];
+                                     else
+                                         ((DU *)dp)->lo  = (uint32_t)  *ap++;
+                                     break;
+        case nsXPTType::T_U8      :  if (iCount < PARAM_GPR_COUNT)
+                                         dp->val.u8  = (uint8_t) gprData[iCount++];
+                                     else
+                                         dp->val.u8  = (uint8_t)  *ap++;
+                                     break;
+        case nsXPTType::T_U16     :  if (iCount < PARAM_GPR_COUNT)
+                                         dp->val.u16  = (uint16_t) gprData[iCount++];
+                                     else
+                                         dp->val.u16  = (uint16_t)  *ap++;
+                                     break;
+        case nsXPTType::T_U32     :  if (iCount < PARAM_GPR_COUNT)
+                                         dp->val.u32  = (uint32_t) gprData[iCount++];
+                                     else
+                                         dp->val.u32  = (uint32_t)  *ap++;
+                                     break;
+        case nsXPTType::T_U64     :  if (iCount < PARAM_GPR_COUNT)
+                                         ((DU *)dp)->hi  = (uint32_t) gprData[iCount++];
+                                     else
+                                         ((DU *)dp)->hi  = (uint32_t)  *ap++;
+                                     if (iCount < PARAM_GPR_COUNT)
+                                         ((DU *)dp)->lo  = (uint32_t) gprData[iCount++];
+                                     else
+                                         ((DU *)dp)->lo  = (uint32_t)  *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  = (bool) gprData[iCount++];
+                                     else
+                                         dp->val.b  = (bool)  *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_ERROR("bad type");
+            break;
+        }
+    }
+
+    result = self->mOuter->CallMethod((uint16_t)methodIndex,info,dispatchParams);
+
+    if(dispatchParams != paramBuffer)
+        delete [] dispatchParams;
+
+    return result;
+}
+
+#define STUB_ENTRY(n)
+
+#define SENTINEL_ENTRY(n) \
+nsresult nsXPTCStubBase::Sentinel##n() \
+{ \
+    NS_ERROR("nsXPTCStubBase::Sentinel called"); \
+    return NS_ERROR_NOT_IMPLEMENTED; \
+}
+
+#include "xptcstubsdef.inc"
+
+#endif /* AIX */