278 lines
10 KiB
Scheme
278 lines
10 KiB
Scheme
; vim: ft=scheme
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(c-system-include "stdint.h")
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(c-system-include "dlfcn.h")
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(c-system-include "stdio.h")
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(c-system-include "ffi.h")
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(c-link "ffi")
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;; make-c-null
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(c-declare "void* make_c_null() { return NULL; }")
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(define-c (maybe-null pointer void*) make-c-null ())
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;; c-type-size
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(c-declare "
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int size_of_int8_t() { return sizeof(int8_t); }
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int size_of_uint8_t() { return sizeof(uint8_t); }
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int size_of_int16_t() { return sizeof(int16_t); }
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int size_of_uint16_t() { return sizeof(uint16_t); }
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int size_of_int32_t() { return sizeof(int32_t); }
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int size_of_uint32_t() { return sizeof(uint32_t); }
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int size_of_int64_t() { return sizeof(int64_t); }
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int size_of_uint64_t() { return sizeof(uint64_t); }
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int size_of_char() { return sizeof(char); }
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int size_of_unsigned_char() { return sizeof(unsigned char); }
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int size_of_short() { return sizeof(short); }
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int size_of_unsigned_short() { return sizeof(unsigned short); }
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int size_of_int() { return sizeof(int); }
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int size_of_unsigned_int() { return sizeof(unsigned int); }
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int size_of_long() { return sizeof(long); }
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int size_of_unsigned_long() { return sizeof(unsigned long); }
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int size_of_float() { return sizeof(float); }
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int size_of_double() { return sizeof(double); }
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int size_of_pointer() { return sizeof(void*); }
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")
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(define-c int (size-of-int8_t size_of_int8_t) ())
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(define-c int (size-of-uint8_t size_of_uint8_t) ())
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(define-c int (size-of-int16_t size_of_int16_t) ())
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(define-c int (size-of-uint16_t size_of_uint16_t) ())
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(define-c int (size-of-int32_t size_of_int32_t) ())
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(define-c int (size-of-uint32_t size_of_uint32_t) ())
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(define-c int (size-of-int64_t size_of_int64_t) ())
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(define-c int (size-of-uint64_t size_of_uint64_t) ())
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(define-c int (size-of-char size_of_char) ())
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(define-c int (size-of-unsigned-char size_of_unsigned_char) ())
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(define-c int (size-of-short size_of_short) ())
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(define-c int (size-of-unsigned-short size_of_unsigned_short) ())
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(define-c int (size-of-int size_of_int) ())
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(define-c int (size-of-unsigned-int size_of_unsigned_int) ())
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(define-c int (size-of-long size_of_long) ())
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(define-c int (size-of-unsigned-long size_of_unsigned_long) ())
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(define-c int (size-of-float size_of_float) ())
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(define-c int (size-of-double size_of_double) ())
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(define-c int (size-of-pointer size_of_pointer) ())
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;; shared-object-load
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(define-c-const int (RTLD-NOW "RTLD_NOW"))
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(define-c (maybe-null pointer void*) dlopen (string int))
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(define-c (maybe-null pointer void*) dlerror ())
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(c-declare "sexp is_pointer(struct sexp_struct* object) { if(sexp_cpointerp(object)) { return SEXP_TRUE; } else { return SEXP_FALSE; } }")
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(define-c sexp (pointer? is_pointer) (sexp))
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(c-declare "void c_bytevector_u8_set(void* pointer, int offset, uint8_t value) { *(uint8_t*)((char*)pointer + offset) = value; }")
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(define-c void (c-bytevector-u8-set! c_bytevector_u8_set) ((maybe-null pointer void*) int uint8_t))
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(c-declare "int8_t c_bytevector_u8_ref (void* pointer, int offset) { return *(int8_t*)((char*)pointer + offset); }")
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(define-c int8_t (c-bytevector-u8-ref c_bytevector_u8_ref) ((maybe-null pointer void*) int))
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(c-declare "void c_bytevector_pointer_set (void* pointer, int offset, void* value) { char* p = (char*)pointer + offset; *(char**)p = value; }")
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(define-c void (c-bytevector-pointer-set! c_bytevector_pointer_set) ((pointer void*) int (maybe-null pointer void*)))
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(c-declare "void* c_bytevector_pointer_ref (void* pointer, int offset) { char* p = (char*)pointer + offset; return *(char**)p; }")
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(define-c (maybe-null pointer void*) (c-bytevector-pointer-ref c_bytevector_pointer_ref) ((maybe-null pointer void*) int))
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(c-declare "ffi_cif cif;")
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(define-c (maybe-null pointer void*) dlsym ((maybe-null pointer void*) string))
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(define-c-const int (FFI-OK "FFI_OK"))
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(c-declare
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"void* internal_ffi_call(
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unsigned int nargs,
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unsigned int rtype,
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unsigned int atypes[],
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void* fn,
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unsigned int rvalue_size,
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struct sexp_struct* avalues[])
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{
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ffi_type* c_atypes[nargs];
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void* c_avalues[nargs];
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int8_t vals1[nargs];
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uint8_t vals2[nargs];
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int16_t vals3[nargs];
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uint16_t vals4[nargs];
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int32_t vals5[nargs];
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uint32_t vals6[nargs];
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int64_t vals7[nargs];
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uint64_t vals8[nargs];
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char vals9[nargs];
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unsigned char vals10[nargs];
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short vals11[nargs];
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unsigned short vals12[nargs];
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int vals13[nargs];
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unsigned int vals14[nargs];
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long vals15[nargs];
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unsigned long vals16[nargs];
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float vals17[nargs];
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double vals18[nargs];
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void* vals20[nargs];
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printf(\"nargs: %i\\n\", nargs);
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for(int i = 0; i < nargs; i++) {
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printf(\"i: %i\\n\", i);
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void* arg = NULL;
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switch(atypes[i]) {
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case 1:
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c_atypes[i] = &ffi_type_sint8;
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vals1[i] = (int8_t)sexp_sint_value(avalues[i]);
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c_avalues[i] = &vals1[i];
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break;
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case 2:
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c_atypes[i] = &ffi_type_uint8;
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vals2[i] = (uint8_t)sexp_uint_value(avalues[i]);
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c_avalues[i] = &vals2[i];
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break;
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case 3:
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c_atypes[i] = &ffi_type_sint16;
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vals3[i] = (int16_t)sexp_sint_value(avalues[i]);
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c_avalues[i] = &vals3[i];
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break;
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case 4:
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c_atypes[i] = &ffi_type_uint16;
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vals4[i] = (uint16_t)sexp_uint_value(avalues[i]);
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c_avalues[i] = &vals4[i];
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break;
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case 5:
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c_atypes[i] = &ffi_type_sint32;
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vals5[i] = (int32_t)sexp_sint_value(avalues[i]);
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c_avalues[i] = &vals5[i];
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break;
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case 6:
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c_atypes[i] = &ffi_type_uint32;
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vals6[i] = (int64_t)sexp_uint_value(avalues[i]);
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c_avalues[i] = &vals6[i];
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break;
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case 7:
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c_atypes[i] = &ffi_type_sint64;
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vals7[i] = (int64_t) sexp_sint_value(avalues[i]);
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c_avalues[i] = &vals7[i];
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break;
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case 8:
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c_atypes[i] = &ffi_type_uint64;
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vals8[i] = (uint64_t)sexp_uint_value(avalues[i]);
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c_avalues[i] = &vals8[i];
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break;
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case 9:
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c_atypes[i] = &ffi_type_schar;
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vals9[i] = (char)sexp_sint_value(avalues[i]);
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c_avalues[i] = &vals9[i];
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break;
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case 10:
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c_atypes[i] = &ffi_type_uchar;
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vals10[i] = (unsigned char)sexp_uint_value(avalues[i]);
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break;
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case 11:
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c_atypes[i] = &ffi_type_sshort;
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vals11[i] = (short)sexp_sint_value(avalues[i]);
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break;
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case 12:
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c_atypes[i] = &ffi_type_ushort;
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vals12[i] = (unsigned short)sexp_uint_value(avalues[i]);
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break;
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case 13:
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c_atypes[i] = &ffi_type_sint;
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vals13[i] = (int)sexp_sint_value(avalues[i]);
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c_avalues[i] = &vals13[i];
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break;
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case 14:
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c_atypes[i] = &ffi_type_uint;
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vals14[i] = (unsigned int)sexp_uint_value(avalues[i]);
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c_avalues[i] = &vals14[i];
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break;
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case 15:
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c_atypes[i] = &ffi_type_slong;
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vals15[i] = (long)sexp_sint_value(avalues[i]);
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c_avalues[i] = &vals15[i];
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break;
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case 16:
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c_atypes[i] = &ffi_type_ulong;
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vals16[i] = (unsigned long)sexp_uint_value(avalues[i]);
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c_avalues[i] = &vals16[i];
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break;
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case 17:
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c_atypes[i] = &ffi_type_float;
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vals17[i] = (float)sexp_flonum_value(avalues[i]);
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c_avalues[i] = &vals17[i];
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break;
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case 18:
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c_atypes[i] = &ffi_type_double;
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vals18[i] = (double)sexp_flonum_value(avalues[i]);
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c_avalues[i] = &vals18[i];
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break;
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case 19:
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c_atypes[i] = &ffi_type_void;
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arg = NULL;
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c_avalues[i] = NULL;
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break;
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case 20:
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c_atypes[i] = &ffi_type_pointer;
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if(sexp_cpointerp(avalues[i])) {
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vals20[i] = sexp_cpointer_value(avalues[i]);
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} else {
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vals20[i] = NULL;
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}
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c_avalues[i] = &vals20[i];
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break;
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default:
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printf(\"Undefined argument type integer: %i, index: %i\\n\", atypes[i], i);
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//c_avalues[i] = sexp_cpointer_value(avalues[i]);
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break;
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}
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}
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ffi_type* c_rtype = &ffi_type_void;
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switch(rtype) {
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case 1: c_rtype = &ffi_type_sint8; break;
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case 2: c_rtype = &ffi_type_uint8; break;
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case 3: c_rtype = &ffi_type_sint16; break;
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case 4: c_rtype = &ffi_type_uint16; break;
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case 5: c_rtype = &ffi_type_sint32; break;
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case 6: c_rtype = &ffi_type_uint32; break;
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case 7: c_rtype = &ffi_type_sint64; break;
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case 8: c_rtype = &ffi_type_uint64; break;
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case 9: c_rtype = &ffi_type_schar; break;
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case 10: c_rtype = &ffi_type_uchar; break;
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case 11: c_rtype = &ffi_type_sshort; break;
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case 12: c_rtype = &ffi_type_ushort; break;
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case 13: c_rtype = &ffi_type_sint; break;
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case 14: c_rtype = &ffi_type_uint; break;
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case 15: c_rtype = &ffi_type_slong; break;
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case 16: c_rtype = &ffi_type_ulong; break;
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case 17: c_rtype = &ffi_type_float; break;
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case 18: c_rtype = &ffi_type_double; break;
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case 19: c_rtype = &ffi_type_void; break;
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case 20: c_rtype = &ffi_type_pointer; break;
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default:
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printf(\"Undefined return type: %i\\n\", rtype);
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c_rtype = &ffi_type_pointer;
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break;
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}
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int r = ffi_prep_cif(&cif, FFI_DEFAULT_ABI, nargs, c_rtype, c_atypes);
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void* rvalue = malloc(rvalue_size);
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ffi_call(&cif, FFI_FN(fn), rvalue, c_avalues);
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return rvalue;
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}")
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(define-c (maybe-null pointer void*)
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(internal-ffi-call internal_ffi_call)
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(unsigned-int
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unsigned-int
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(array unsigned-int)
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(maybe-null pointer void*)
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unsigned-int
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(array sexp)))
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(c-declare
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"void* scheme_procedure_to_pointer(sexp proc) {
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if(sexp_procedurep(proc) == 1) {
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return 0; //&sexp_unbox_fixnum(proc);
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} else {
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printf(\"NOT A FUNCTION\\n\");
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}
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return (void*)proc;
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}")
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(define-c void* (scheme-procedure-to-pointer scheme_procedure_to_pointer) (sexp))
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