Mercurial > pub > dyncall > dyncall
view dyncallback/dyncall_args_sparc32.c @ 266:91fd7be165f1
- also testing no flags at all, for asflags rw- detection
author | Tassilo Philipp |
---|---|
date | Thu, 25 May 2017 02:13:32 +0200 |
parents | 51b0a4544d9e |
children | f5577f6bf97a |
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/* Package: dyncall Library: dyncallback File: dyncallback/dyncall_args_sparc32.c Description: Callback's Arguments VM - Implementation for sparc32 - not yet License: Copyright (c) 2007-2016 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_sparc32.h" /* Compiler aligns this to 8-byte boundaries, b/c of dword members, a fact needed below */ typedef union { DCdouble d; DCulonglong L; DCulong l[2]; } DCAligned64BitVal_t; static void* sparc_word(DCArgs* args) { return args->arg_ptr++; } static void* sparc_dword(DCArgs* args) { void *p = args->arg_ptr; args->arg_ptr += 2; return p; } /* copy words so that dwords are 8-byte aligned, for 64bit value indirection; unaligned access results in SIGBUS; not quite sure why compiler doesn't abstract this (maybe b/c of not having any idea about our assembler code?) */ DCulonglong dcbArgULongLong(DCArgs* p) { DCAligned64BitVal_t v; DCulong *l = (DCulong*)sparc_dword(p); v.l[0]=l[0]; v.l[1]=l[1]; return v.L; } DCdouble dcbArgDouble (DCArgs* p) { DCAligned64BitVal_t v; DCulong *l = (DCulong*)sparc_dword(p); v.l[0]=l[0]; v.l[1]=l[1]; return v.d; } /* rest of getters based on above functions */ DCuint dcbArgUInt (DCArgs* p) { return *(DCuint*)sparc_word(p); } DClonglong dcbArgLongLong (DCArgs* p) { return (DClonglong)dcbArgULongLong(p); } DCint dcbArgInt (DCArgs* p) { return (DCint) dcbArgUInt(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) { return *(DCfloat*) sparc_word(p); }