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-rw-r--r--xpcom/reflect/xptcall/md/unix/xptcinvoke_sparc_openbsd.cpp128
1 files changed, 128 insertions, 0 deletions
diff --git a/xpcom/reflect/xptcall/md/unix/xptcinvoke_sparc_openbsd.cpp b/xpcom/reflect/xptcall/md/unix/xptcinvoke_sparc_openbsd.cpp
new file mode 100644
index 000000000..9b2e4f858
--- /dev/null
+++ b/xpcom/reflect/xptcall/md/unix/xptcinvoke_sparc_openbsd.cpp
@@ -0,0 +1,128 @@
+/* -*- 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"
+
+#if !defined(__sparc__)
+#error "This code is for Sparc only"
+#endif
+
+typedef unsigned nsXPCVariant;
+
+extern "C" 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;
+ }
+ }
+ // nuts, I know there's a cooler way of doing this, but it's late
+ // now and it'll probably come to me in the morning.
+ if (result & 0x3) result += 4 - (result & 0x3); // ensure q-word alignment
+ return result;
+}
+
+extern "C" uint32_t
+invoke_copy_to_stack(uint32_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.
+*/
+ uint32_t *l_d = d;
+ nsXPTCVariant *l_s = s;
+ uint32_t l_paramCount = paramCount;
+ uint32_t regCount = 0; // return the number of registers to load from the stack
+
+ typedef struct {
+ uint32_t hi;
+ uint32_t lo;
+ } DU; // have to move 64 bit entities as 32 bit halves since
+ // stack slots are not guaranteed 16 byte aligned
+
+ for(uint32_t i = 0; i < l_paramCount; i++, l_d++, l_s++)
+ {
+ if (regCount < 5) regCount++;
+ if(l_s->IsPtrData())
+ {
+ if(l_s->type == nsXPTType::T_JSVAL)
+ {
+ // On SPARC, we need to pass a pointer to HandleValue
+ *((void**)l_d) = &l_s->ptr;
+ } else
+ {
+ *((void**)l_d) = l_s->ptr;
+ }
+ continue;
+ }
+ switch(l_s->type)
+ {
+ case nsXPTType::T_I8 : *((int32_t*) l_d) = l_s->val.i8; break;
+ case nsXPTType::T_I16 : *((int32_t*) l_d) = l_s->val.i16; break;
+ case nsXPTType::T_I32 : *((int32_t*) l_d) = l_s->val.i32; break;
+ case nsXPTType::T_I64 :
+ case nsXPTType::T_U64 :
+ case nsXPTType::T_DOUBLE : *((uint32_t*) l_d++) = ((DU *)l_s)->hi;
+ if (regCount < 5) regCount++;
+ *((uint32_t*) l_d) = ((DU *)l_s)->lo;
+ break;
+ case nsXPTType::T_U8 : *((uint32_t*) l_d) = l_s->val.u8; break;
+ case nsXPTType::T_U16 : *((uint32_t*) l_d) = l_s->val.u16; break;
+ case nsXPTType::T_U32 : *((uint32_t*) l_d) = l_s->val.u32; break;
+ case nsXPTType::T_FLOAT : *((float*) l_d) = l_s->val.f; break;
+ case nsXPTType::T_BOOL : *((uint32_t*) l_d) = l_s->val.b; break;
+ case nsXPTType::T_CHAR : *((uint32_t*) l_d) = l_s->val.c; break;
+ case nsXPTType::T_WCHAR : *((int32_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;
+}
+