diff dyncall/dyncall_call_mips_n64.h @ 0:3e629dc19168

initial from svn dyncall-1745
author Daniel Adler
date Thu, 19 Mar 2015 22:24:28 +0100
parents
children 21537652361e
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dyncall/dyncall_call_mips_n64.h	Thu Mar 19 22:24:28 2015 +0100
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+/*
+
+ Package: dyncall
+ Library: dyncall
+ File: dyncall/dyncall_call_mips_n64.h
+ Description: mips "n64" ABI call-kernel C interface.
+ License:
+
+   Copyright (c) 2007-2015 Daniel Adler <dadler@uni-goettingen.de>, 
+                           Tassilo Philipp <tphilipp@potion-studios.com>
+
+   Permission to use, copy, modify, and distribute this software for any
+   purpose with or without fee is hereby granted, provided that the above
+   copyright notice and this permission notice appear in all copies.
+
+   THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+   WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+   MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+   ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+*/
+
+
+
+#ifndef DYNCALL_CALL_MIPS_N64_H
+#define DYNCALL_CALL_MIPS_N64_H
+
+#include "dyncall_types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+  two register-files for integer (promoted to 64-bit) and float (not promoted!)
+  are used.
+
+  arguments are transfered in a free slot on the corresponding register file.
+  the other register-file will be skipped by one.
+
+  float arguments are either loaded from single or double -
+  a auto-conversion into double and then loaded as double precision
+  turned out to fail for several tests.
+
+  therefore a union for storage of float or double is used instead.
+  a bitmask (mUseDouble) records which type is used and will be
+  interpreted in the call-kernel.
+*/
+
+struct DCRegData_mips_n64
+{
+  DClonglong   mIntData[8];
+  union { DCfloat f; DCdouble d; } mFloatData[8];
+  DClonglong   mUseDouble; /* bitmask: lower 8 bits specifies to use float or double from union array. */
+};
+
+void dcCall_mips_n64(DCpointer target, struct DCRegData_mips_n64* regdata, DCsize stksize, DCpointer stkdata);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* DYNCALL_CALL_MIPS_N64_H */
+