Add m-esr52 at 52.6.0

1 files changed, 130 insertions, 0 deletions

diff --git a/xpcom/reflect/xptcall/md/unix/xptcinvoke_linux_m68k.cpp b/xpcom/reflect/xptcall/md/unix/xptcinvoke_linux_m68k.cpp
new file mode 100644
index 000000000..6f2934cbc
--- /dev/null
+++ b/xpcom/reflect/xptcall/md/unix/xptcinvoke_linux_m68k.cpp
@@ -0,0 +1,130 @@
+/* -*- 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/. */
+
+/* Platform specific code to invoke XPCOM methods on native objects */
+
+#include "xptcprivate.h"
+
+// Remember that these 'words' are 32bit DWORDS
+
+extern "C" {
+    static uint32_t
+    invoke_count_words(uint32_t paramCount, nsXPTCVariant* s)
+    {
+        uint32_t result = 0;
+        for(uint32_t i = 0; i < paramCount; i++, s++)
+        {
+            if(s->IsPtrData())
+            {
+                result++;
+                continue;
+            }
+            switch(s->type)
+            {
+            case nsXPTType::T_I8     :
+            case nsXPTType::T_I16    :
+            case nsXPTType::T_I32    :
+                result++;
+                break;
+            case nsXPTType::T_I64    :
+                result+=2;
+                break;
+            case nsXPTType::T_U8     :
+            case nsXPTType::T_U16    :
+            case nsXPTType::T_U32    :
+                result++;
+                break;
+            case nsXPTType::T_U64    :
+                result+=2;
+                break;
+            case nsXPTType::T_FLOAT  :
+                result++;
+                break;
+            case nsXPTType::T_DOUBLE :
+                result+=2;
+                break;
+            case nsXPTType::T_BOOL   :
+            case nsXPTType::T_CHAR   :
+            case nsXPTType::T_WCHAR  :
+                result++;
+                break;
+            default:
+                // all the others are plain pointer types
+                result++;
+                break;
+            }
+        }
+        return result;
+    }
+
+    void
+    invoke_copy_to_stack(uint32_t* d, uint32_t paramCount, nsXPTCVariant* s)
+    {
+        for(uint32_t i = 0; i < paramCount; i++, d++, s++)
+        {
+            if(s->IsPtrData())
+            {
+                *((void**)d) = s->ptr;
+                continue;
+            }
+            switch(s->type)
+            {
+            // 8 and 16 bit types should be promoted to 32 bits when copying
+            // onto the stack.
+            case nsXPTType::T_I8     : *((uint32_t*)d) = s->val.i8;          break;
+            case nsXPTType::T_I16    : *((uint32_t*)d) = s->val.i16;         break;
+            case nsXPTType::T_I32    : *((int32_t*) d) = s->val.i32;         break;
+            case nsXPTType::T_I64    : *((int64_t*) d) = s->val.i64; d++;    break;
+            case nsXPTType::T_U8     : *((uint32_t*)d) = s->val.u8;          break;
+            case nsXPTType::T_U16    : *((uint32_t*)d) = s->val.u16;         break;
+            case nsXPTType::T_U32    : *((uint32_t*)d) = s->val.u32;         break;
+            case nsXPTType::T_U64    : *((uint64_t*)d) = s->val.u64; d++;    break;
+            case nsXPTType::T_FLOAT  : *((float*)   d) = s->val.f;           break;
+            case nsXPTType::T_DOUBLE : *((double*)  d) = s->val.d;   d++;    break;
+            case nsXPTType::T_BOOL   : *((uint32_t*)d) = s->val.b;           break;
+            case nsXPTType::T_CHAR   : *((uint32_t*)d) = s->val.c;           break;
+            case nsXPTType::T_WCHAR  : *((wchar_t*) d) = s->val.wc;          break;
+
+            default:
+                // all the others are plain pointer types
+                *((void**)d) = s->val.p;
+                break;
+            }
+        }
+    }
+}
+
+EXPORT_XPCOM_API(nsresult)
+NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex,
+                   uint32_t paramCount, nsXPTCVariant* params)
+{
+    uint32_t result, n;
+
+    n = invoke_count_words(paramCount, params) * 4;
+
+ __asm__ __volatile__(
+    "subl  %5, %%sp\n\t"      /* make room for params */
+    "movel %4, %%sp@-\n\t"
+    "movel %3, %%sp@-\n\t"
+    "pea   %%sp@(8)\n\t"
+    "jbsr  invoke_copy_to_stack\n\t"   /* copy params */
+    "addw  #12, %%sp\n\t"
+    "movel %1, %%sp@-\n\t"
+    "movel %1@, %%a0\n\t"
+    "movel %%a0@(%2:l:4), %%a0\n\t"
+    "jbsr  %%a0@\n\t"         /* safe to not cleanup sp */
+    "lea   %%sp@(4,%5:l), %%sp\n\t"
+    "movel %%d0, %0"
+    : "=d" (result)         /* %0 */
+    : "a" (that),           /* %1 */
+      "d" (methodIndex),    /* %2 */
+      "g" (paramCount),     /* %3 */
+      "g" (params),         /* %4 */
+      "d" (n)               /* %5 */
+    : "a0", "a1", "d0", "d1", "memory"
+    );
+  
+  return result;
+}