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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /xpcom/reflect/xptcall/md/unix/xptcinvoke_linux_m68k.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'xpcom/reflect/xptcall/md/unix/xptcinvoke_linux_m68k.cpp')
-rw-r--r--xpcom/reflect/xptcall/md/unix/xptcinvoke_linux_m68k.cpp130
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;
+}