1 files changed, 99 insertions, 0 deletions
diff --git a/xpcom/reflect/xptcall/md/unix/xptcinvoke_mips.cpp b/xpcom/reflect/xptcall/md/unix/xptcinvoke_mips.cpp
new file mode 100644
index 0000000000..b811730c5b
--- /dev/null
+++ b/xpcom/reflect/xptcall/md/unix/xptcinvoke_mips.cpp
@@ -0,0 +1,99 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * Version: MPL 1.1
+ *
+ * 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/. */
+
+/* This code is for MIPS using the O32 ABI. */
+
+/* Platform specific code to invoke XPCOM methods on native objects */
+
+#include "xptcprivate.h"
+
+#include <stdint.h>
+
+extern "C" uint32_t
+invoke_count_words(uint32_t paramCount, nsXPTCVariant* s)
+{
+    // Count a word for a0 even though it's never stored or loaded
+    // We do this only for alignment of register pairs.
+    uint32_t result = 1;
+    for (uint32_t i = 0; i < paramCount; i++, result++, s++)
+    {
+        if (s->IsIndirect())
+            continue;
+
+        switch(s->type)
+        {
+        case nsXPTType::T_I64    :
+        case nsXPTType::T_U64    :
+        case nsXPTType::T_DOUBLE :
+	    if (result & 1)
+		result++;
+	    result++;
+	    break;
+
+        default:
+            break;
+        }
+    }
+    return (result + 1) & ~(uint32_t)1;
+}
+
+extern "C" void
+invoke_copy_to_stack(uint32_t* d, uint32_t paramCount,
+                     nsXPTCVariant* s)
+{
+    // Skip the unused a0 slot, which we keep only for register pair alignment.
+    d++;
+
+    for (uint32_t i = 0; i < paramCount; i++, d++, s++)
+    {
+        if (s->IsIndirect())
+        {
+            *((void**)d) = (void*) &s->val;
+            continue;
+        }
+
+        switch(s->type)
+        {
+        case nsXPTType::T_I8     : *d = (uint32_t) s->val.i8;   break;
+        case nsXPTType::T_I16    : *d = (uint32_t) s->val.i16;  break;
+        case nsXPTType::T_I32    : *d = (uint32_t) s->val.i32;  break;
+        case nsXPTType::T_I64    :
+            if ((intptr_t)d & 4) d++;
+            *((int64_t*) d)  = s->val.i64;    d++;
+            break;
+        case nsXPTType::T_U8     : *d = (uint32_t) s->val.u8;   break;
+        case nsXPTType::T_U16    : *d = (uint32_t) s->val.u16;  break;
+        case nsXPTType::T_U32    : *d = (uint32_t) s->val.u32;  break;
+        case nsXPTType::T_U64    :
+            if ((intptr_t)d & 4) d++;
+            *((uint64_t*) d) = s->val.u64;    d++;
+            break;
+        case nsXPTType::T_FLOAT  : *((float*)   d) = s->val.f;  break;
+        case nsXPTType::T_DOUBLE :
+            if ((intptr_t)d & 4) d++;
+            *((double*)   d) = s->val.d;      d++;
+            break;
+        case nsXPTType::T_BOOL   : *d = (bool)  s->val.b;     break;
+        case nsXPTType::T_CHAR   : *d = (char)    s->val.c;     break;
+        case nsXPTType::T_WCHAR  : *d = (wchar_t) s->val.wc;    break;
+        default:
+            *((void**)d) = s->val.p;
+            break;
+        }
+    }
+}
+
+extern "C" nsresult _NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex,
+                                        uint32_t paramCount,
+                                        nsXPTCVariant* params);
+
+EXPORT_XPCOM_API(nsresult)
+NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex,
+                   uint32_t paramCount, nsXPTCVariant* params)
+{
+    return _NS_InvokeByIndex(that, methodIndex, paramCount, params);
+}