Mercurial > pub > dyncall > dyncall
diff dyncallback/dyncall_args_arm64.c @ 0:3e629dc19168
initial from svn dyncall-1745
author | Daniel Adler |
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date | Thu, 19 Mar 2015 22:24:28 +0100 |
parents | |
children | f5577f6bf97a |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dyncallback/dyncall_args_arm64.c Thu Mar 19 22:24:28 2015 +0100 @@ -0,0 +1,77 @@ +/* + + Package: dyncall + Library: dyncallback + File: dyncallback/dyncall_args_arm64.c + Description: Callback's Arguments VM - Implementation for ARM64 / ARMv8 / AAPCS64 + License: + + Copyright (c) 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. + +*/ +#include "dyncall_args.h" + +#include <stdint.h> + +typedef union { + struct { double value; } d; + struct { float value; } f; +} DCFPU_t; + +struct DCArgs +{ + /* buffers and stack-pointer: */ + + uint64_t I[8]; + DCFPU_t F[8]; + uint64_t* sp; + + /* counters: */ + int i; + int f; + int s; + int reserved; +}; + +DClonglong dcbArgLongLong (DCArgs* p) +{ + if (p->i < 8) { + return p->I[p->i++]; + } else { + return *(p->sp)++; + } +} +DCdouble dcbArgDouble (DCArgs* p) { + return (p->f < 8) ? p->F[p->f++].d.value : * ( (double*) (p->sp++) ); +} +DCfloat dcbArgFloat (DCArgs* p) { + return (p->f < 8) ? p->F[p->f++].f.value : * ( (float*) (p->sp++) ); +} + + +DClong dcbArgLong (DCArgs* p) { return (DClong) dcbArgLongLong(p); } +DCint dcbArgInt (DCArgs* p) { return (DCint) dcbArgLongLong(p); } +DCshort dcbArgShort (DCArgs* p) { return (DCshort) dcbArgLongLong(p); } +DCchar dcbArgChar (DCArgs* p) { return (DCchar) dcbArgLongLong(p); } +DCbool dcbArgBool (DCArgs* p) { return dcbArgLongLong(p) & 0x1; } +DCpointer dcbArgPointer(DCArgs* p) { return (DCpointer) dcbArgLongLong(p); } + +DCuint dcbArgUInt (DCArgs* p) { return (DCuint) dcbArgInt(p); } +DCuchar dcbArgUChar (DCArgs* p) { return (DCuchar) dcbArgChar(p); } +DCushort dcbArgUShort (DCArgs* p) { return (DCushort) dcbArgShort(p); } +DCulong dcbArgULong (DCArgs* p) { return (DCulong) dcbArgLong(p); } +DCulonglong dcbArgULongLong(DCArgs* p) { return (DCulonglong) dcbArgLongLong(p); } +