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#ifndef RUBY_DL_H #define RUBY_DL_H #include <ruby.h> #if !defined(FUNC_CDECL) # define FUNC_CDECL(x) x #endif #if defined(HAVE_DLFCN_H) # include <dlfcn.h> # /* some stranger systems may not define all of these / #ifndef RTLD_LAZY #define RTLD_LAZY 0 #endif #ifndef RTLD_GLOBAL #define RTLD_GLOBAL 0 #endif #ifndef RTLD_NOW #define RTLD_NOW 0 #endif #else # if defined(_WIN32) # include <windows.h> # define dlopen(name,flag) ((void)(flag),(void)LoadLibrary(name)) # define dlerror() strerror(rb_w32_map_errno(GetLastError())) # define dlsym(handle,name) ((void)GetProcAddress((handle),(name))) # define RTLD_LAZY -1 # define RTLD_NOW -1 # define RTLD_GLOBAL -1 # endif #endif #define MAX_CALLBACK 5 #define DLSTACK_TYPE SIGNED_VALUE #define DLSTACK_SIZE (20) #define DLSTACK_PROTO \ DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE,\ DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE,\ DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE,\ DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE #define DLSTACK_ARGS(stack) \ (stack)[0],(stack)[1],(stack)[2],(stack)[3],(stack)[4],\ (stack)[5],(stack)[6],(stack)[7],(stack)[8],(stack)[9],\ (stack)[10],(stack)[11],(stack)[12],(stack)[13],(stack)[14],\ (stack)[15],(stack)[16],(stack)[17],(stack)[18],(stack)[19] #define DLSTACK_PROTO0_ void #define DLSTACK_PROTO1_ DLSTACK_TYPE #define DLSTACK_PROTO2_ DLSTACK_PROTO1_, DLSTACK_TYPE #define DLSTACK_PROTO3_ DLSTACK_PROTO2_, DLSTACK_TYPE #define DLSTACK_PROTO4_ DLSTACK_PROTO3_, DLSTACK_TYPE #define DLSTACK_PROTO4_ DLSTACK_PROTO3_, DLSTACK_TYPE #define DLSTACK_PROTO5_ DLSTACK_PROTO4_, DLSTACK_TYPE #define DLSTACK_PROTO6_ DLSTACK_PROTO5_, DLSTACK_TYPE #define DLSTACK_PROTO7_ DLSTACK_PROTO6_, DLSTACK_TYPE #define DLSTACK_PROTO8_ DLSTACK_PROTO7_, DLSTACK_TYPE #define DLSTACK_PROTO9_ DLSTACK_PROTO8_, DLSTACK_TYPE #define DLSTACK_PROTO10_ DLSTACK_PROTO9_, DLSTACK_TYPE #define DLSTACK_PROTO11_ DLSTACK_PROTO10_, DLSTACK_TYPE #define DLSTACK_PROTO12_ DLSTACK_PROTO11_, DLSTACK_TYPE #define DLSTACK_PROTO13_ DLSTACK_PROTO12_, DLSTACK_TYPE #define DLSTACK_PROTO14_ DLSTACK_PROTO13_, DLSTACK_TYPE #define DLSTACK_PROTO14_ DLSTACK_PROTO13_, DLSTACK_TYPE #define DLSTACK_PROTO15_ DLSTACK_PROTO14_, DLSTACK_TYPE #define DLSTACK_PROTO16_ DLSTACK_PROTO15_, DLSTACK_TYPE #define DLSTACK_PROTO17_ DLSTACK_PROTO16_, DLSTACK_TYPE #define DLSTACK_PROTO18_ DLSTACK_PROTO17_, DLSTACK_TYPE #define DLSTACK_PROTO19_ DLSTACK_PROTO18_, DLSTACK_TYPE #define DLSTACK_PROTO20_ DLSTACK_PROTO19_, DLSTACK_TYPE / * Add ",..." as the last argument. * This is required for variable argument functions such * as fprintf() on x86_64-linux. * * http://refspecs.linuxfoundation.org/elf/x86_64-abi-0.95.pdf * page 19: * * For calls that may call functions that use varargs or stdargs * (prototype-less calls or calls to functions containing ellipsis * (...) in the declaration) %al is used as hidden argument to * specify the number of SSE registers used. / #define DLSTACK_PROTO0 void #define DLSTACK_PROTO1 DLSTACK_PROTO1_, ... #define DLSTACK_PROTO2 DLSTACK_PROTO2_, ... #define DLSTACK_PROTO3 DLSTACK_PROTO3_, ... #define DLSTACK_PROTO4 DLSTACK_PROTO4_, ... #define DLSTACK_PROTO4 DLSTACK_PROTO4_, ... #define DLSTACK_PROTO5 DLSTACK_PROTO5_, ... #define DLSTACK_PROTO6 DLSTACK_PROTO6_, ... #define DLSTACK_PROTO7 DLSTACK_PROTO7_, ... #define DLSTACK_PROTO8 DLSTACK_PROTO8_, ... #define DLSTACK_PROTO9 DLSTACK_PROTO9_, ... #define DLSTACK_PROTO10 DLSTACK_PROTO10_, ... #define DLSTACK_PROTO11 DLSTACK_PROTO11_, ... #define DLSTACK_PROTO12 DLSTACK_PROTO12_, ... #define DLSTACK_PROTO13 DLSTACK_PROTO13_, ... #define DLSTACK_PROTO14 DLSTACK_PROTO14_, ... #define DLSTACK_PROTO14 DLSTACK_PROTO14_, ... #define DLSTACK_PROTO15 DLSTACK_PROTO15_, ... #define DLSTACK_PROTO16 DLSTACK_PROTO16_, ... #define DLSTACK_PROTO17 DLSTACK_PROTO17_, ... #define DLSTACK_PROTO18 DLSTACK_PROTO18_, ... #define DLSTACK_PROTO19 DLSTACK_PROTO19_, ... #define DLSTACK_PROTO20 DLSTACK_PROTO20_, ... #define DLSTACK_ARGS0(stack) #define DLSTACK_ARGS1(stack) (stack)[0] #define DLSTACK_ARGS2(stack) DLSTACK_ARGS1(stack), (stack)[1] #define DLSTACK_ARGS3(stack) DLSTACK_ARGS2(stack), (stack)[2] #define DLSTACK_ARGS4(stack) DLSTACK_ARGS3(stack), (stack)[3] #define DLSTACK_ARGS5(stack) DLSTACK_ARGS4(stack), (stack)[4] #define DLSTACK_ARGS6(stack) DLSTACK_ARGS5(stack), (stack)[5] #define DLSTACK_ARGS7(stack) DLSTACK_ARGS6(stack), (stack)[6] #define DLSTACK_ARGS8(stack) DLSTACK_ARGS7(stack), (stack)[7] #define DLSTACK_ARGS9(stack) DLSTACK_ARGS8(stack), (stack)[8] #define DLSTACK_ARGS10(stack) DLSTACK_ARGS9(stack), (stack)[9] #define DLSTACK_ARGS11(stack) DLSTACK_ARGS10(stack), (stack)[10] #define DLSTACK_ARGS12(stack) DLSTACK_ARGS11(stack), (stack)[11] #define DLSTACK_ARGS13(stack) DLSTACK_ARGS12(stack), (stack)[12] #define DLSTACK_ARGS14(stack) DLSTACK_ARGS13(stack), (stack)[13] #define DLSTACK_ARGS15(stack) DLSTACK_ARGS14(stack), (stack)[14] #define DLSTACK_ARGS16(stack) DLSTACK_ARGS15(stack), (stack)[15] #define DLSTACK_ARGS17(stack) DLSTACK_ARGS16(stack), (stack)[16] #define DLSTACK_ARGS18(stack) DLSTACK_ARGS17(stack), (stack)[17] #define DLSTACK_ARGS19(stack) DLSTACK_ARGS18(stack), (stack)[18] #define DLSTACK_ARGS20(stack) DLSTACK_ARGS19(stack), (stack)[19] extern VALUE rb_mDL; extern VALUE rb_cDLHandle; extern VALUE rb_cDLSymbol; extern VALUE rb_eDLError; extern VALUE rb_eDLTypeError; #define ALIGN_OF(type) offsetof(struct {char align_c; type align_x;}, align_x) #define ALIGN_VOIDP ALIGN_OF(void) #define ALIGN_SHORT ALIGN_OF(short) #define ALIGN_CHAR ALIGN_OF(char) #define ALIGN_INT ALIGN_OF(int) #define ALIGN_LONG ALIGN_OF(long) #if HAVE_LONG_LONG #define ALIGN_LONG_LONG ALIGN_OF(LONG_LONG) #endif #define ALIGN_FLOAT ALIGN_OF(float) #define ALIGN_DOUBLE ALIGN_OF(double) #define DLALIGN(ptr,offset,align) \ ((offset) += ((align) - ((uintptr_t)((char )(ptr) + (offset))) % (align)) % (align)) #define DLTYPE_VOID 0 #define DLTYPE_VOIDP 1 #define DLTYPE_CHAR 2 #define DLTYPE_SHORT 3 #define DLTYPE_INT 4 #define DLTYPE_LONG 5 #if HAVE_LONG_LONG #define DLTYPE_LONG_LONG 6 #endif #define DLTYPE_FLOAT 7 #define DLTYPE_DOUBLE 8 #define MAX_DLTYPE 9 #if SIZEOF_VOIDP == SIZEOF_LONG # define PTR2NUM(x) (ULONG2NUM((unsigned long)(x))) # define NUM2PTR(x) ((void)(NUM2ULONG(x))) #else /* # error --->> Ruby/DL2 requires sizeof(void) == sizeof(long) to be compiled. <<--- / # define PTR2NUM(x) (ULL2NUM((unsigned long long)(x))) # define NUM2PTR(x) ((void)(NUM2ULL(x))) #endif #define BOOL2INT(x) (((x) == Qtrue)?1:0) #define INT2BOOL(x) ((x)?Qtrue:Qfalse) typedef void (freefunc_t)(void); struct dl_handle { void ptr; int open; int enable_close; }; struct cfunc_data { void ptr; char name; int type; ID calltype; VALUE wrap; }; extern ID rbdl_id_cdecl; extern ID rbdl_id_stdcall; #define CFUNC_CDECL (rbdl_id_cdecl) #define CFUNC_STDCALL (rbdl_id_stdcall) struct ptr_data { void ptr; long size; freefunc_t free; VALUE wrap[2]; }; #define RDL_HANDLE(obj) ((struct dl_handle )(DATA_PTR(obj))) #define RCFUNC_DATA(obj) ((struct cfunc_data )(DATA_PTR(obj))) #define RPTR_DATA(obj) ((struct ptr_data )(DATA_PTR(obj))) VALUE rb_dlcfunc_new(void (func)(), int dltype, const char name, ID calltype); int rb_dlcfunc_kind_p(VALUE func); VALUE rb_dlptr_new(void ptr, long size, freefunc_t func); VALUE rb_dlptr_new2(VALUE klass, void ptr, long size, freefunc_t func); VALUE rb_dlptr_malloc(long size, freefunc_t func); #endif

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