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Diffstat (limited to 'ext/dl/dl.h')
| -rw-r--r-- | ext/dl/dl.h | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/ext/dl/dl.h b/ext/dl/dl.h new file mode 100644 index 0000000000..27621fa5a7 --- /dev/null +++ b/ext/dl/dl.h @@ -0,0 +1,183 @@ +#ifndef RUBY_DL_H +#define RUBY_DL_H + +#include <ruby.h> + +#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(HAVE_WINDOWS_H) +# include <windows.h> +# define dlclose(ptr) FreeLibrary((HINSTANCE)ptr) +# define dlopen(name,flag) ((void*)LoadLibrary(name)) +# define dlerror() "unknown error" +# 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 long +#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 +#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 + +#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; +}; +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; +}; + +#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); +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 |