Mercurial > pub > dyncall > dyncall
view dyncallback/dyncall_args_mips.c @ 578:87b5f5d7af1f
callback_plain_c++: improved cross-platform robustness of faked thiscall used for testing
author | Tassilo Philipp |
---|---|
date | Thu, 08 Sep 2022 16:15:52 +0200 |
parents | 111236b31c75 |
children | 2562c89d5bb5 |
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/* Package: dyncall Library: dyncallback File: dyncallback/dyncall_args_mips.c Description: Callback's Arguments VM - Implementation for non-o32 MIPS License: Copyright (c) 2013-2022 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. */ #include "dyncall_args_mips.h" DCint dcbArgInt(DCArgs* p) { DCint value; if(p->reg_count.i < DCARGS_MIPS_NUM_IREGS) value = p->ireg_data[p->reg_count.i++]; else { value = *((DCint*)p->stackptr); p->stackptr += sizeof(DCint); } return value; } DCuint dcbArgUInt(DCArgs* p) { return (DCuint)dcbArgInt(p); } DCulonglong dcbArgULongLong(DCArgs* p) { DCulonglong value; p->reg_count.i += (p->reg_count.i & 1); /* Skip one reg if not aligned. */ p->stackptr += ((DCulong)p->stackptr & 4) & -4; /* 64bit values are also always aligned on stack */ #if defined(DC__Endian_LITTLE) value = dcbArgUInt(p); value |= ((DCulonglong)dcbArgUInt(p)) << 32; #else value = ((DCulonglong)dcbArgUInt(p)) << 32; value |= dcbArgUInt(p); #endif return value; } DClonglong dcbArgLongLong(DCArgs* p) { return (DClonglong)dcbArgULongLong(p); } DClong dcbArgLong (DCArgs* p) { return (DClong) dcbArgUInt(p); } DCulong dcbArgULong (DCArgs* p) { return (DCulong) dcbArgUInt(p); } DCchar dcbArgChar (DCArgs* p) { return (DCchar) dcbArgUInt(p); } DCuchar dcbArgUChar (DCArgs* p) { return (DCuchar) dcbArgUInt(p); } DCshort dcbArgShort (DCArgs* p) { return (DCshort) dcbArgUInt(p); } DCushort dcbArgUShort (DCArgs* p) { return (DCushort) dcbArgUInt(p); } DCbool dcbArgBool (DCArgs* p) { return (DCbool) dcbArgUInt(p); } DCpointer dcbArgPointer(DCArgs* p) { return (DCpointer)dcbArgUInt(p); } DCfloat dcbArgFloat(DCArgs* p) { DCfloat result; if(p->reg_count.f < DCARGS_MIPS_NUM_FREGS) result = p->freg_data[p->reg_count.f++]; else { result = *((DCfloat*)p->stackptr); p->stackptr += sizeof(DCfloat); } return result; } DCdouble dcbArgDouble(DCArgs* p) { union { DCdouble result; DCulonglong i; } d; d.i = dcbArgULongLong(p); /* those are passed via int regs */ return d.result; } DCpointer dcbArgAggr (DCArgs* p, DCpointer target) { /* @@@AGGR not impl */ } void dcbReturnAggr (DCArgs *args, DCValue *result, DCpointer ret) { /* @@@AGGR not impl */ }