1 files changed, 139 insertions, 0 deletions
diff --git a/xpcom/reflect/xptcall/md/unix/xptcstubs_x86_64_solaris.cpp b/xpcom/reflect/xptcall/md/unix/xptcstubs_x86_64_solaris.cpp
new file mode 100644
index 000000000..677fa9960
--- /dev/null
+++ b/xpcom/reflect/xptcall/md/unix/xptcstubs_x86_64_solaris.cpp
@@ -0,0 +1,139 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * 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.
+
+// 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 uint32_t PARAM_BUFFER_COUNT   = 16;
+const uint32_t GPR_COUNT            = 6;
+const uint32_t 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 ATTRIBUTE_USED
+PrepareAndDispatch(nsXPTCStubBase * self, uint32_t methodIndex,
+                   uint64_t * args, uint64_t * gpregs, double *fpregs)
+{
+    nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
+    nsXPTCMiniVariant* dispatchParams = nullptr;
+    const nsXPTMethodInfo* info;
+    uint32_t paramCount;
+    uint32_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");
+    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;
+
+    uint64_t* ap = args;
+    uint32_t nr_gpr = 1;    // skip one GPR register for 'that'
+    uint32_t nr_fpr = 0;
+    uint64_t 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 = fpregs[nr_fpr++];
+            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  = (int8_t)   value; break;
+        case nsXPTType::T_I16:     dp->val.i16 = (int16_t)  value; break;
+        case nsXPTType::T_I32:     dp->val.i32 = (int32_t)  value; break;
+        case nsXPTType::T_I64:     dp->val.i64 = (int64_t)  value; break;
+        case nsXPTType::T_U8:      dp->val.u8  = (uint8_t)  value; break;
+        case nsXPTType::T_U16:     dp->val.u16 = (uint16_t) value; break;
+        case nsXPTType::T_U32:     dp->val.u32 = (uint32_t) value; break;
+        case nsXPTType::T_U64:     dp->val.u64 = (uint64_t) value; break;
+        // Cast to uint8_t first, to remove garbage on upper 56 bits.
+        case nsXPTType::T_BOOL:    dp->val.b   = (bool)(uint8_t)   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((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"