Mercurial > pub > dyncall > dyncall
diff dyncall/dyncall_callvm_arm64.c @ 0:3e629dc19168
initial from svn dyncall-1745
author | Daniel Adler |
---|---|
date | Thu, 19 Mar 2015 22:24:28 +0100 |
parents | |
children | 67961454902b |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dyncall/dyncall_callvm_arm64.c Thu Mar 19 22:24:28 2015 +0100 @@ -0,0 +1,165 @@ +/* + + 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; +} +