Mercurial > pub > dyncall > dyncall
view dyncall/dyncall_callvm_arm64.c @ 51:9e9d6a90492a r0.9-RC4
- armhf experimental vararg call support
author | cslag |
---|---|
date | Sun, 20 Dec 2015 20:27:43 +0100 |
parents | 3e629dc19168 |
children | 67961454902b |
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/* Package: dyncall Library: dyncall File: dyncall/dyncall_callvm_arm64.c Description: ARM 64-bit ABI implementation 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_callvm_arm64.h" #include "dyncall_alloc.h" static DCCallVM* dc_callvm_new_arm64(DCCallVM_vt* vt, DCsize size) { DCCallVM_arm64* p = (DCCallVM_arm64*) dcAllocMem(size); dc_callvm_base_init(&p->mInterface, vt); dcVecInit(&p->mVecHead, size); p->i = 0; p->f = 0; return (DCCallVM*)p; } static void reset(DCCallVM* in_p) { DCCallVM_arm64* p = (DCCallVM_arm64*)in_p; p->i = 0; p->f = 0; dcVecReset(&p->mVecHead); } static void mode(DCCallVM* in_self,DCint mode); static void deinit(DCCallVM* in_self) { dcFreeMem(in_self); } static void a_i64(DCCallVM* in_self, DClonglong x) { DCCallVM_arm64* p = (DCCallVM_arm64*)in_self; if (p->i < 8) { p->I[p->i] = x; p->i++; } else { dcVecAppend(&p->mVecHead, &x, sizeof(DClonglong)); } } static void a_bool (DCCallVM* self, DCbool x) { a_i64(self, (DClonglong)x); } static void a_char (DCCallVM* self, DCchar x) { a_i64(self, x); } static void a_short (DCCallVM* self, DCshort x) { a_i64(self, x); } static void a_int (DCCallVM* self, DCint x) { a_i64(self, x); } static void a_long (DCCallVM* self, DClong x) { a_i64(self, x); } static void a_pointer (DCCallVM* self, DCpointer x) { a_i64(self, (DClonglong) x ); } static void a_float(DCCallVM* in_p, DCfloat x) { DCCallVM_arm64* p = (DCCallVM_arm64*)in_p; if (p->f < 8) { p->u.S[ p->f << 1 ] = x; p->f++; } else { dcVecAppend(&p->mVecHead, &x, sizeof(DCfloat)); dcVecSkip(&p->mVecHead, 4); /* align to 8-bytes */ } } static void a_double(DCCallVM* in_p, DCdouble x) { DCCallVM_arm64* p = (DCCallVM_arm64*)in_p; if (p->f < 8) { p->u.D[ p->f ] = x; p->f++; } else { dcVecAppend(&p->mVecHead, &x, sizeof(DCdouble)); } } void call(DCCallVM* in_p, DCpointer target) { DCCallVM_arm64* p = (DCCallVM_arm64*)in_p; /* ** copy 'size' argument is given in number of 16-byte 'pair' blocks. */ dcCall_arm64(target, dcVecData(&p->mVecHead), ( dcVecSize(&p->mVecHead) + 15 ) & -16, &p->u.S[0]); } DCCallVM_vt vt_arm64 = { &deinit , &reset , &mode , &a_bool , &a_char , &a_short , &a_int , &a_long , &a_i64 , &a_float , &a_double , &a_pointer , NULL /* argStruct */ , (DCvoidvmfunc*) &call , (DCboolvmfunc*) &call , (DCcharvmfunc*) &call , (DCshortvmfunc*) &call , (DCintvmfunc*) &call , (DClongvmfunc*) &call , (DClonglongvmfunc*) &call , (DCfloatvmfunc*) &call , (DCdoublevmfunc*) &call , (DCpointervmfunc*) &call , NULL /* callStruct */ }; DCCallVM* dcNewCallVM(DCsize size) { return dc_callvm_new_arm64(&vt_arm64, size); } static void mode(DCCallVM* in_self,DCint mode) { DCCallVM_arm64* self = (DCCallVM_arm64*) in_self; DCCallVM_vt* vt; switch(mode) { case DC_CALL_C_DEFAULT: case DC_CALL_C_ELLIPSIS: case DC_CALL_C_ELLIPSIS_VARARGS: case DC_CALL_C_ARM64: vt = &vt_arm64; break; default: in_self->mError = DC_ERROR_UNSUPPORTED_MODE; return; } self->mInterface.mVTpointer = vt; }