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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*)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;
typedef struct { char c; void *x; } s_voidp;
typedef struct { char c; short x; } s_short;
typedef struct { char c; int x; } s_int;
typedef struct { char c; long x; } s_long;
typedef struct { char c; float x; } s_float;
typedef struct { char c; double x; } s_double;
#if HAVE_LONG_LONG
typedef struct { char c; LONG_LONG x; } s_long_long;
#endif
#define ALIGN_VOIDP (sizeof(s_voidp) - sizeof(void *))
#define ALIGN_SHORT (sizeof(s_short) - sizeof(short))
#define ALIGN_CHAR (1)
#define ALIGN_INT (sizeof(s_int) - sizeof(int))
#define ALIGN_LONG (sizeof(s_long) - sizeof(long))
#if HAVE_LONG_LONG
#define ALIGN_LONG_LONG (sizeof(s_long_long) - sizeof(LONG_LONG))
#endif
#define ALIGN_FLOAT (sizeof(s_float) - sizeof(float))
#define ALIGN_DOUBLE (sizeof(s_double) - sizeof(double))
#define DLALIGN(ptr,offset,align) {\
while( (((unsigned long)((char *)(ptr) + (offset))) % (align)) != 0 ) (offset)++;\
}
#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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