Mercurial > pub > dyncall > dyncall
view dyncallback/dyncall_args_x86.c @ 246:06a354b2e120
changes for dynload for macOS and OpenBSD:
- reverted last commit, b/c of brainfat (wrongly assuming all libs iterated over are opened by dynload)
- make use of RTLD_NOLOAD, though, when re-dlopen-ing to get path, for performance (where available)
author | Tassilo Philipp |
---|---|
date | Thu, 04 May 2017 23:38:30 +0200 |
parents | 3e629dc19168 |
children | f5577f6bf97a |
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/* Package: dyncall Library: dyncallback File: dyncallback/dyncall_args_x86.c Description: Callback's Arguments VM - Implementation for x86 License: Copyright (c) 2007-2015 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_x86.h" /* ---------------------------------------------------------------------------- */ /* C API implementation: */ /* base operations */ DCint dcbArgInt (DCArgs* p) { return p->vt->i32(p); } DClonglong dcbArgLongLong(DCArgs* p) { return p->vt->i64(p); } DCfloat dcbArgFloat (DCArgs* p) { return p->vt->f32(p); } DCdouble dcbArgDouble (DCArgs* p) { return p->vt->f64(p); } /* promote to integer: bool, char, short, long and pointer */ DCbool dcbArgBool (DCArgs* p) { return ( dcbArgInt(p) == 0 ) ? 0 : 1; } DCchar dcbArgChar (DCArgs* p) { return (char) dcbArgInt(p); } DCshort dcbArgShort (DCArgs* p) { return (short) dcbArgInt(p); } DClong dcbArgLong (DCArgs* p) { return (long) dcbArgInt(p); } DCpointer dcbArgPointer (DCArgs* p) { return (DCpointer) dcbArgInt(p); } /* unsigned types */ 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); } /* ---------------------------------------------------------------------------- */ /* virtual tables: */ /* cdecl calling convention */ static int default_i32(DCArgs* args) { return *args->stack_ptr++; } static long long default_i64(DCArgs* args) { long long result = * (long long*) args->stack_ptr; args->stack_ptr += 2; return result; } static float default_f32(DCArgs* args) { float result = * ( (float*) args->stack_ptr ); args->stack_ptr++; return result; } static double default_f64(DCArgs* args) { double result = * ( (double*) args->stack_ptr ); args->stack_ptr += 2; return result; } DCArgsVT dcArgsVT_default = { default_i32, default_i64, default_f32, default_f64 }; /* thiscall (microsoft) calling convention */ static int this_i32(DCArgs* args) { if(args->fast_data[0]) { /* ecx register = this pointer */ int thisArg = args->fast_data[0]; args->fast_data[0] = 0; return thisArg; } return *args->stack_ptr++; } DCArgsVT dcArgsVT_this_ms = { this_i32, default_i64, default_f32, default_f64 }; /* fastcall (microsoft) calling convention */ static int fast_i32(DCArgs* args) { if(args->fast_count < 2) return args->fast_data[args->fast_count++]; else return default_i32(args); } DCArgsVT dcArgsVT_fast_ms = { fast_i32, default_i64, default_f32, default_f64 }; /* fastcall (gnu) calling convention */ static long long fast_gnu_i64(DCArgs* args) { args->fast_count += 2; return default_i64(args); } DCArgsVT dcArgsVT_fast_gnu = { fast_i32, fast_gnu_i64, default_f32, default_f64 };