Add m-esr52 at 52.6.0

1 files changed, 69 insertions, 0 deletions

diff --git a/xpcom/reflect/xptcall/md/unix/xptcinvoke_sparc64_openbsd.cpp b/xpcom/reflect/xptcall/md/unix/xptcinvoke_sparc64_openbsd.cpp
new file mode 100644
index 000000000..050f9414d
--- /dev/null
+++ b/xpcom/reflect/xptcall/md/unix/xptcinvoke_sparc64_openbsd.cpp
@@ -0,0 +1,69 @@
+/* -*- 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/. */
+
+
+/* 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
+
+extern "C" uint64_t
+invoke_copy_to_stack(uint64_t* d, uint32_t 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.
+  */
+  uint64_t *l_d = d;
+  nsXPTCVariant *l_s = s;
+  uint64_t l_paramCount = paramCount;
+  uint64_t regCount = 0;  // return the number of registers to load from the stack
+
+  for(uint64_t i = 0; i < l_paramCount; i++, l_d++, l_s++)
+  {
+    if (regCount < 5) regCount++;
+
+    if (l_s->IsPtrData())
+    {
+      *l_d = (uint64_t)l_s->ptr;
+      continue;
+    }
+    switch (l_s->type)
+    {
+      case nsXPTType::T_I8    : *((int64_t*)l_d)     = l_s->val.i8;    break;
+      case nsXPTType::T_I16   : *((int64_t*)l_d)     = l_s->val.i16;   break;
+      case nsXPTType::T_I32   : *((int64_t*)l_d)     = l_s->val.i32;   break;
+      case nsXPTType::T_I64   : *((int64_t*)l_d)     = l_s->val.i64;   break;
+      
+      case nsXPTType::T_U8    : *((uint64_t*)l_d)    = l_s->val.u8;    break;
+      case nsXPTType::T_U16   : *((uint64_t*)l_d)    = l_s->val.u16;   break;
+      case nsXPTType::T_U32   : *((uint64_t*)l_d)    = l_s->val.u32;   break;
+      case nsXPTType::T_U64   : *((uint64_t*)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 parameter 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  : *((int64_t*)l_d)     = l_s->val.b;     break;
+      case nsXPTType::T_CHAR  : *((uint64_t*)l_d)    = l_s->val.c;     break;
+      case nsXPTType::T_WCHAR : *((int64_t*)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;
+}