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Diffstat (limited to 'ruby_1_8_6/ext/dl/dl.h')
-rw-r--r--ruby_1_8_6/ext/dl/dl.h313
1 files changed, 313 insertions, 0 deletions
diff --git a/ruby_1_8_6/ext/dl/dl.h b/ruby_1_8_6/ext/dl/dl.h
new file mode 100644
index 0000000000..1faa316cf1
--- /dev/null
+++ b/ruby_1_8_6/ext/dl/dl.h
@@ -0,0 +1,313 @@
+/* -*- C -*-
+ * $Id$
+ */
+
+#ifndef RUBY_DL_H
+#define RUBY_DL_H
+
+#include <ruby.h>
+#include <dlconfig.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
+
+#if !defined(StringValue)
+# define StringValue(v) if(TYPE(v) != T_STRING) v = rb_str_to_str(v)
+#endif
+#if !defined(StringValuePtr)
+# define StringValuePtr(v) RSTRING((TYPE(v) == T_STRING) ? (v) : rb_str_to_str(v))->ptr
+#endif
+
+#ifdef DEBUG
+#define DEBUG_CODE(b) {printf("DEBUG:%d\n",__LINE__);b;}
+#define DEBUG_CODE2(b1,b2) {printf("DEBUG:%d\n",__LINE__);b1;}
+#else
+#define DEBUG_CODE(b)
+#define DEBUG_CODE2(b1,b2) b2
+#endif
+
+#define VOID_DLTYPE 0x00
+#define CHAR_DLTYPE 0x01
+#define SHORT_DLTYPE 0x02
+#define INT_DLTYPE 0x03
+#define LONG_DLTYPE 0x04
+#define FLOAT_DLTYPE 0x05
+#define DOUBLE_DLTYPE 0x06
+#define VOIDP_DLTYPE 0x07
+
+#define ARG_TYPE(x,i) (((x) & (0x07 << ((i)*3))) >> ((i)*3))
+#define PUSH_ARG(x,t) do{x <<= 3; x |= t;}while(0)
+#define PUSH_0(x) PUSH_ARG(x,VOID_DLTYPE)
+
+#if SIZEOF_INT == SIZEOF_LONG
+# define PUSH_I(x) PUSH_ARG(x,LONG_DLTYPE)
+# define ANY2I(x) x.l
+# define DLINT(x) (long)x
+#else
+# define PUSH_I(x) PUSH_ARG(x,INT_DLTYPE)
+# define ANY2I(x) x.i
+# define DLINT(x) (int)x
+#endif
+#define PUSH_L(x) PUSH_ARG(x,LONG_DLTYPE)
+#define ANY2L(x) x.l
+#define DLLONG(x) (long)x
+
+#if defined(WITH_TYPE_FLOAT)
+# if SIZEOF_FLOAT == SIZEOF_DOUBLE
+# define PUSH_F(x) PUSH_ARG(x,DOUBLE_DLTYPE)
+# define ANY2F(x) (x.d)
+# define DLFLOAT(x) ((double)x)
+# else
+# define PUSH_F(x) PUSH_ARG(x,FLOAT_DLTYPE)
+# define ANY2F(x) (x.f)
+# define DLFLOAT(x) ((float)x)
+# endif
+#else
+# define PUSH_F(x) PUSH_ARG(x,DOUBLE_DLTYPE)
+# define ANY2F(x) (x.d)
+# define DLFLOAT(x) ((double)x)
+#endif
+#define PUSH_D(x) PUSH_ARG(x,DOUBLE_DLTYPE)
+#define ANY2D(x) (x.d)
+#define DLDOUBLE(x) ((double)x)
+
+#if SIZEOF_INT == SIZEOF_VOIDP && SIZEOF_INT != SIZEOF_LONG
+# define PUSH_P(x) PUSH_ARG(x,INT_DLTYPE)
+# define ANY2P(x) (x.i)
+# define DLVOIDP(x) ((int)x)
+#elif SIZEOF_LONG == SIZEOF_VOIDP
+# define PUSH_P(x) PUSH_ARG(x,LONG_DLTYPE)
+# define ANY2P(x) (x.l)
+# define DLVOIDP(x) ((long)x)
+#else
+# define PUSH_P(x) PUSH_ARG(x,VOIDP_DLTYPE)
+# define ANY2P(x) (x.p)
+# define DLVOIDP(x) ((void*)p)
+#endif
+
+#if defined(WITH_TYPE_CHAR)
+# define PUSH_C(x) PUSH_ARG(x,CHAR_DLTYPE)
+# define ANY2C(x) (x.c)
+# define DLCHAR(x) ((char)x)
+#else
+# define PUSH_C(x) PUSH_I(x)
+# define ANY2C(x) ANY2I(x)
+# define DLCHAR(x) DLINT(x)
+#endif
+
+#if defined(WITH_TYPE_SHORT)
+# define PUSH_H(x) PUSH_ARG(x,SHORT_DLTYPE)
+# define ANY2H(x) (x.h)
+# define DLSHORT(x) ((short)x)
+#else
+# define PUSH_H(x) PUSH_I(x)
+# define ANY2H(x) ANY2I(x)
+# define DLSHORT(x) DLINT(x)
+#endif
+
+#define PUSH_S(x) PUSH_P(x)
+#define ANY2S(x) ANY2P(x)
+#define DLSTR(x) DLVOIDP(x)
+
+#define CBPUSH_0(x) PUSH_0(x)
+#define CBPUSH_C(x) PUSH_C(x)
+#define CBPUSH_H(x) PUSH_H(x)
+#define CBPUSH_I(x) PUSH_I(x)
+#define CBPUSH_L(x) PUSH_L(x)
+#define CBPUSH_F(x) PUSH_F(x)
+#define CBPUSH_D(x) PUSH_D(x)
+#if defined(WITH_CBTYPE_VOIDP)
+# define CBPUSH_P(x) PUSH_ARG(x,VOIDP_DLTYPE)
+#else
+# define CBPUSH_P(x) PUSH_P(x)
+#endif
+
+
+#if defined(USE_INLINE_ASM)
+# if defined(__i386__) && defined(__GNUC__)
+# define DLSTACK
+# define DLSTACK_METHOD "asm"
+# define DLSTACK_REVERSE
+# define DLSTACK_PROTO
+# define DLSTACK_ARGS
+# define DLSTACK_START(sym)
+# define DLSTACK_END(sym)
+# define DLSTACK_PUSH_C(x) asm volatile ("pushl %0" :: "g" (x));
+# define DLSTACK_PUSH_H(x) asm volatile ("pushl %0" :: "g" (x));
+# define DLSTACK_PUSH_I(x) asm volatile ("pushl %0" :: "g" (x));
+# define DLSTACK_PUSH_L(x) asm volatile ("pushl %0" :: "g" (x));
+# define DLSTACK_PUSH_P(x) asm volatile ("pushl %0" :: "g" (x));
+# define DLSTACK_PUSH_F(x) asm volatile ("flds %0"::"g"(x));\
+ asm volatile ("subl $4,%esp");\
+ asm volatile ("fstps (%esp)");
+# define DLSTACK_PUSH_D(x) asm volatile ("fldl %0"::"g"(x));\
+ asm volatile ("subl $8,%esp");\
+ asm volatile ("fstpl (%esp)")
+# else
+# error --with-asm is not supported on this machine
+# endif
+#elif defined(USE_DLSTACK)
+# define DLSTACK
+# define DLSTACK_GUARD
+# define DLSTACK_METHOD "dl"
+# define DLSTACK_PROTO long,long,long,long,long,\
+ long,long,long,long,long,\
+ long,long,long,long,long
+# define DLSTACK_ARGS 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]
+# define DLSTACK_SIZE (sizeof(long)*15)
+# define DLSTACK_START(sym)
+# define DLSTACK_END(sym)
+# define DLSTACK_PUSH_C(x) {long v=(long)x; memcpy(sp,&v,sizeof(long)); sp++;}
+# define DLSTACK_PUSH_H(x) {long v=(long)x; memcpy(sp,&v,sizeof(long)); sp++;}
+# define DLSTACK_PUSH_I(x) {long v=(long)x; memcpy(sp,&v,sizeof(long)); sp++;}
+# define DLSTACK_PUSH_L(x) memcpy(sp,&x,sizeof(long)); sp++;
+# define DLSTACK_PUSH_P(x) memcpy(sp,&x,sizeof(void*)); sp++;
+# define DLSTACK_PUSH_F(x) memcpy(sp,&x,sizeof(float)); sp+=sizeof(float)/sizeof(long);
+# define DLSTACK_PUSH_D(x) memcpy(sp,&x,sizeof(double)); sp+=sizeof(double)/sizeof(long);
+#else
+# define DLSTACK_METHOD "none"
+#endif
+
+extern VALUE rb_mDL;
+extern VALUE rb_mDLMemorySpace;
+extern VALUE rb_cDLHandle;
+extern VALUE rb_cDLSymbol;
+extern VALUE rb_cDLPtrData;
+extern VALUE rb_cDLStructData;
+
+extern VALUE rb_eDLError;
+extern VALUE rb_eDLTypeError;
+
+#if defined(LONG2NUM) && (SIZEOF_LONG == SIZEOF_VOIDP)
+# define DLLONG2NUM(x) LONG2NUM((long)x)
+# define DLNUM2LONG(x) (long)(NUM2LONG(x))
+#else
+# define DLLONG2NUM(x) INT2NUM((long)x)
+# define DLNUM2LONG(x) (long)(NUM2INT(x))
+#endif
+
+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;
+
+#define ALIGN_VOIDP (sizeof(s_voidp) - sizeof(void *))
+#define ALIGN_SHORT (sizeof(s_short) - sizeof(short))
+#define ALIGN_INT (sizeof(s_int) - sizeof(int))
+#define ALIGN_LONG (sizeof(s_long) - sizeof(long))
+#define ALIGN_FLOAT (sizeof(s_float) - sizeof(float))
+#define ALIGN_DOUBLE (sizeof(s_double) - sizeof(double))
+
+/* for compatibility */
+#define VOIDP_ALIGN ALIGN_VOIDP
+#define SHORT_ALIGN ALIGN_SHORT
+#define INT_ALIGN ALIGN_INT
+#define LONG_ALIGN ALIGN_LONG
+#define FLOAT_ALIGN ALIGN_FLOAT
+#define DOUBLE_ALIGN ALIGN_DOUBLE
+
+#define DLALIGN(ptr,offset,align) {\
+ while( (((unsigned long)((char *)ptr + offset)) % align) != 0 ) offset++;\
+}
+
+typedef void (*freefunc_t)(void *);
+#define DLFREEFUNC(func) ((freefunc_t)(func))
+
+typedef union {
+ void* p;
+ char c;
+ short h;
+ int i;
+ long l;
+ float f;
+ double d;
+ char *s;
+} ANY_TYPE;
+
+struct dl_handle {
+ void *ptr;
+ int open;
+ int enable_close;
+};
+
+struct sym_data {
+ void *func;
+ char *name;
+ char *type;
+ int len;
+};
+
+enum DLPTR_CTYPE {
+ DLPTR_CTYPE_UNKNOWN,
+ DLPTR_CTYPE_STRUCT,
+ DLPTR_CTYPE_UNION
+};
+
+struct ptr_data {
+ void *ptr; /* a pointer to the data */
+ freefunc_t free; /* free() */
+ char *stype; /* array of type specifiers */
+ int *ssize; /* size[i] = sizeof(type[i]) > 0 */
+ int slen; /* the number of type specifiers */
+ ID *ids;
+ int ids_num;
+ int ctype; /* DLPTR_CTYPE_UNKNOWN, DLPTR_CTYPE_STRUCT, DLPTR_CTYPE_UNION */
+ long size;
+};
+
+#define RDLPTR(obj) ((struct ptr_data *)(DATA_PTR(obj)))
+#define RDLSYM(obj) ((struct sym_data *)(DATA_PTR(obj)))
+
+void dlfree(void*);
+void *dlmalloc(size_t);
+void *dlrealloc(void*,size_t);
+char *dlstrdup(const char *);
+size_t dlsizeof(const char *);
+
+void *rb_ary2cary(char t, VALUE ary, long *size);
+
+/*
+void rb_dlmem_delete(void *ptr);
+void rb_dlmem_aset(void *ptr, VALUE obj);
+VALUE rb_dlmem_aref(void *ptr);
+*/
+
+void dlptr_free(struct ptr_data *data);
+void dlptr_init(VALUE val);
+
+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);
+void *rb_dlptr2cptr(VALUE val);
+
+VALUE rb_dlsym_new(void (*func)(), const char *name, const char *type);
+freefunc_t rb_dlsym2csym(VALUE val);
+
+
+#endif /* RUBY_DL_H */
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