Mercurial > pub > dyncall > dyncall
view dyncall/dyncall_callvm_arm64.c @ 485:0c68b3f91367
- renamed suite_aggrs to call_suite_aggrs for consistency (callback version will be called callback_suite_aggrs)
author | Tassilo Philipp |
---|---|
date | Thu, 17 Mar 2022 15:41:26 +0100 |
parents | ddfb9577a00e |
children | 71c884e610f0 |
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/* Package: dyncall Library: dyncall File: dyncall/dyncall_callvm_arm64.c Description: ARM 64-bit ABI implementation License: Copyright (c) 2015-2020 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" #include "dyncall_macros.h" void dcCall_arm64(DCpointer target, DCpointer data, DCsize size, DCpointer regdata); static void reset(DCCallVM* in_p) { DCCallVM_arm64* p = (DCCallVM_arm64*)in_p; p->i = 0; p->f = 0; dcVecReset(&p->mVecHead); } 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]); } static void mode(DCCallVM* in_self, DCint mode); 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 */ }; #ifdef DC__OS_Win64 /* for variadic, everything is pushed like ints as no FP regs are used, so allocate arguments to an imaginary stack, where the first 64 bytes of the stack are loaded into x0-x7, and any remaining arguments on the stack */ static void var_float (DCCallVM* in_p, DCfloat x) { DClonglong tmp = 0; *(DCfloat*)&tmp = x; a_i64(in_p, tmp); } static void var_double(DCCallVM* in_p, DCdouble x) { a_i64(in_p, *(DClonglong *)&x); } DCCallVM_vt vt_arm64_win_varargs = { &deinit , &reset , &mode , &a_bool , &a_char , &a_short , &a_int , &a_long , &a_i64 , &var_float , &var_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 */ }; #endif static void mode(DCCallVM* in_self, DCint mode) { DCCallVM_arm64* self = (DCCallVM_arm64*)in_self; DCCallVM_vt* vt; switch(mode) { case DC_CALL_C_ELLIPSIS: case DC_CALL_C_ELLIPSIS_VARARGS: #ifdef DC__OS_Win64 vt = &vt_arm64_win_varargs; break; #endif /* if not win64, use below */ case DC_CALL_C_DEFAULT: case DC_CALL_C_DEFAULT_THIS: case DC_CALL_C_ARM64: vt = &vt_arm64; break; default: self->mInterface.mError = DC_ERROR_UNSUPPORTED_MODE; return; } dc_callvm_base_init(&self->mInterface, vt); } /* Public API. */ DCCallVM* dcNewCallVM(DCsize size) { DCCallVM_arm64* p = (DCCallVM_arm64*)dcAllocMem(sizeof(DCCallVM_arm64)+size); mode((DCCallVM*)p, DC_CALL_C_DEFAULT); dcVecInit(&p->mVecHead, size); reset((DCCallVM*)p); return (DCCallVM*)p; }