mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
59e4e93ef7
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26764 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
224 lines
7.7 KiB
C
224 lines
7.7 KiB
C
#ifndef RUBY_DL_H
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#define RUBY_DL_H
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#include <ruby.h>
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#if !defined(FUNC_CDECL)
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# define FUNC_CDECL(x) x
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#endif
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#if defined(HAVE_DLFCN_H)
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# include <dlfcn.h>
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# /* some stranger systems may not define all of these */
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#ifndef RTLD_LAZY
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#define RTLD_LAZY 0
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#endif
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#ifndef RTLD_GLOBAL
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#define RTLD_GLOBAL 0
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#endif
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#ifndef RTLD_NOW
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#define RTLD_NOW 0
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#endif
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#else
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# if defined(HAVE_WINDOWS_H)
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# include <windows.h>
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# define dlopen(name,flag) ((void*)LoadLibrary(name))
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# define dlerror() strerror(rb_w32_map_errno(GetLastError()))
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# define dlsym(handle,name) ((void*)GetProcAddress(handle,name))
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# define RTLD_LAZY -1
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# define RTLD_NOW -1
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# define RTLD_GLOBAL -1
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# endif
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#endif
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#define MAX_CALLBACK 5
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#define DLSTACK_TYPE long
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#define DLSTACK_SIZE (20)
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#define DLSTACK_PROTO \
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DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE,\
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DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE,\
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DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE,\
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DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE,DLSTACK_TYPE
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#define DLSTACK_ARGS(stack) \
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stack[0],stack[1],stack[2],stack[3],stack[4],\
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stack[5],stack[6],stack[7],stack[8],stack[9],\
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stack[10],stack[11],stack[12],stack[13],stack[14],\
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stack[15],stack[16],stack[17],stack[18],stack[19]
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#define DLSTACK_PROTO0_ void
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#define DLSTACK_PROTO1_ DLSTACK_TYPE
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#define DLSTACK_PROTO2_ DLSTACK_PROTO1_, DLSTACK_TYPE
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#define DLSTACK_PROTO3_ DLSTACK_PROTO2_, DLSTACK_TYPE
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#define DLSTACK_PROTO4_ DLSTACK_PROTO3_, DLSTACK_TYPE
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#define DLSTACK_PROTO4_ DLSTACK_PROTO3_, DLSTACK_TYPE
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#define DLSTACK_PROTO5_ DLSTACK_PROTO4_, DLSTACK_TYPE
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#define DLSTACK_PROTO6_ DLSTACK_PROTO5_, DLSTACK_TYPE
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#define DLSTACK_PROTO7_ DLSTACK_PROTO6_, DLSTACK_TYPE
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#define DLSTACK_PROTO8_ DLSTACK_PROTO7_, DLSTACK_TYPE
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#define DLSTACK_PROTO9_ DLSTACK_PROTO8_, DLSTACK_TYPE
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#define DLSTACK_PROTO10_ DLSTACK_PROTO9_, DLSTACK_TYPE
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#define DLSTACK_PROTO11_ DLSTACK_PROTO10_, DLSTACK_TYPE
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#define DLSTACK_PROTO12_ DLSTACK_PROTO11_, DLSTACK_TYPE
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#define DLSTACK_PROTO13_ DLSTACK_PROTO12_, DLSTACK_TYPE
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#define DLSTACK_PROTO14_ DLSTACK_PROTO13_, DLSTACK_TYPE
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#define DLSTACK_PROTO14_ DLSTACK_PROTO13_, DLSTACK_TYPE
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#define DLSTACK_PROTO15_ DLSTACK_PROTO14_, DLSTACK_TYPE
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#define DLSTACK_PROTO16_ DLSTACK_PROTO15_, DLSTACK_TYPE
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#define DLSTACK_PROTO17_ DLSTACK_PROTO16_, DLSTACK_TYPE
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#define DLSTACK_PROTO18_ DLSTACK_PROTO17_, DLSTACK_TYPE
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#define DLSTACK_PROTO19_ DLSTACK_PROTO18_, DLSTACK_TYPE
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#define DLSTACK_PROTO20_ DLSTACK_PROTO19_, DLSTACK_TYPE
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/*
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* Add ",..." as the last argument.
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* This is required for variable argument functions such
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* as fprintf() on x86_64-linux.
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*
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* http://refspecs.linuxfoundation.org/elf/x86_64-abi-0.95.pdf
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* page 19:
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*
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* For calls that may call functions that use varargs or stdargs
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* (prototype-less calls or calls to functions containing ellipsis
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* (...) in the declaration) %al is used as hidden argument to
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* specify the number of SSE registers used.
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*/
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#define DLSTACK_PROTO0 void
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#define DLSTACK_PROTO1 DLSTACK_PROTO1_, ...
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#define DLSTACK_PROTO2 DLSTACK_PROTO2_, ...
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#define DLSTACK_PROTO3 DLSTACK_PROTO3_, ...
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#define DLSTACK_PROTO4 DLSTACK_PROTO4_, ...
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#define DLSTACK_PROTO4 DLSTACK_PROTO4_, ...
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#define DLSTACK_PROTO5 DLSTACK_PROTO5_, ...
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#define DLSTACK_PROTO6 DLSTACK_PROTO6_, ...
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#define DLSTACK_PROTO7 DLSTACK_PROTO7_, ...
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#define DLSTACK_PROTO8 DLSTACK_PROTO8_, ...
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#define DLSTACK_PROTO9 DLSTACK_PROTO9_, ...
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#define DLSTACK_PROTO10 DLSTACK_PROTO10_, ...
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#define DLSTACK_PROTO11 DLSTACK_PROTO11_, ...
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#define DLSTACK_PROTO12 DLSTACK_PROTO12_, ...
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#define DLSTACK_PROTO13 DLSTACK_PROTO13_, ...
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#define DLSTACK_PROTO14 DLSTACK_PROTO14_, ...
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#define DLSTACK_PROTO14 DLSTACK_PROTO14_, ...
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#define DLSTACK_PROTO15 DLSTACK_PROTO15_, ...
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#define DLSTACK_PROTO16 DLSTACK_PROTO16_, ...
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#define DLSTACK_PROTO17 DLSTACK_PROTO17_, ...
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#define DLSTACK_PROTO18 DLSTACK_PROTO18_, ...
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#define DLSTACK_PROTO19 DLSTACK_PROTO19_, ...
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#define DLSTACK_PROTO20 DLSTACK_PROTO20_, ...
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#define DLSTACK_ARGS0(stack)
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#define DLSTACK_ARGS1(stack) stack[0]
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#define DLSTACK_ARGS2(stack) DLSTACK_ARGS1(stack), stack[1]
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#define DLSTACK_ARGS3(stack) DLSTACK_ARGS2(stack), stack[2]
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#define DLSTACK_ARGS4(stack) DLSTACK_ARGS3(stack), stack[3]
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#define DLSTACK_ARGS5(stack) DLSTACK_ARGS4(stack), stack[4]
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#define DLSTACK_ARGS6(stack) DLSTACK_ARGS5(stack), stack[5]
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#define DLSTACK_ARGS7(stack) DLSTACK_ARGS6(stack), stack[6]
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#define DLSTACK_ARGS8(stack) DLSTACK_ARGS7(stack), stack[7]
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#define DLSTACK_ARGS9(stack) DLSTACK_ARGS8(stack), stack[8]
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#define DLSTACK_ARGS10(stack) DLSTACK_ARGS9(stack), stack[9]
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#define DLSTACK_ARGS11(stack) DLSTACK_ARGS10(stack), stack[10]
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#define DLSTACK_ARGS12(stack) DLSTACK_ARGS11(stack), stack[11]
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#define DLSTACK_ARGS13(stack) DLSTACK_ARGS12(stack), stack[12]
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#define DLSTACK_ARGS14(stack) DLSTACK_ARGS13(stack), stack[13]
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#define DLSTACK_ARGS15(stack) DLSTACK_ARGS14(stack), stack[14]
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#define DLSTACK_ARGS16(stack) DLSTACK_ARGS15(stack), stack[15]
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#define DLSTACK_ARGS17(stack) DLSTACK_ARGS16(stack), stack[16]
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#define DLSTACK_ARGS18(stack) DLSTACK_ARGS17(stack), stack[17]
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#define DLSTACK_ARGS19(stack) DLSTACK_ARGS18(stack), stack[18]
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#define DLSTACK_ARGS20(stack) DLSTACK_ARGS19(stack), stack[19]
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extern VALUE rb_mDL;
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extern VALUE rb_cDLHandle;
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extern VALUE rb_cDLSymbol;
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extern VALUE rb_eDLError;
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extern VALUE rb_eDLTypeError;
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typedef struct { char c; void *x; } s_voidp;
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typedef struct { char c; short x; } s_short;
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typedef struct { char c; int x; } s_int;
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typedef struct { char c; long x; } s_long;
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typedef struct { char c; float x; } s_float;
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typedef struct { char c; double x; } s_double;
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#if HAVE_LONG_LONG
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typedef struct { char c; LONG_LONG x; } s_long_long;
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#endif
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#define ALIGN_VOIDP (sizeof(s_voidp) - sizeof(void *))
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#define ALIGN_SHORT (sizeof(s_short) - sizeof(short))
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#define ALIGN_CHAR (1)
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#define ALIGN_INT (sizeof(s_int) - sizeof(int))
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#define ALIGN_LONG (sizeof(s_long) - sizeof(long))
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#if HAVE_LONG_LONG
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#define ALIGN_LONG_LONG (sizeof(s_long_long) - sizeof(LONG_LONG))
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#endif
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#define ALIGN_FLOAT (sizeof(s_float) - sizeof(float))
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#define ALIGN_DOUBLE (sizeof(s_double) - sizeof(double))
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#define DLALIGN(ptr,offset,align) {\
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while( (((unsigned long)((char *)ptr + offset)) % align) != 0 ) offset++;\
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}
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#define DLTYPE_VOID 0
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#define DLTYPE_VOIDP 1
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#define DLTYPE_CHAR 2
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#define DLTYPE_SHORT 3
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#define DLTYPE_INT 4
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#define DLTYPE_LONG 5
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#if HAVE_LONG_LONG
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#define DLTYPE_LONG_LONG 6
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#endif
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#define DLTYPE_FLOAT 7
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#define DLTYPE_DOUBLE 8
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#define MAX_DLTYPE 9
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#if SIZEOF_VOIDP == SIZEOF_LONG
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# define PTR2NUM(x) (ULONG2NUM((unsigned long)(x)))
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# define NUM2PTR(x) ((void*)(NUM2ULONG(x)))
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#else
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/* # error --->> Ruby/DL2 requires sizeof(void*) == sizeof(long) to be compiled. <<--- */
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# define PTR2NUM(x) (ULL2NUM((unsigned long long)(x)))
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# define NUM2PTR(x) ((void*)(NUM2ULL(x)))
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#endif
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#define BOOL2INT(x) ((x == Qtrue)?1:0)
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#define INT2BOOL(x) (x?Qtrue:Qfalse)
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typedef void (*freefunc_t)(void*);
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struct dl_handle {
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void *ptr;
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int open;
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int enable_close;
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};
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struct cfunc_data {
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void *ptr;
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char *name;
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int type;
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ID calltype;
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};
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extern ID rbdl_id_cdecl;
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extern ID rbdl_id_stdcall;
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#define CFUNC_CDECL (rbdl_id_cdecl)
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#define CFUNC_STDCALL (rbdl_id_stdcall)
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struct ptr_data {
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void *ptr;
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long size;
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freefunc_t free;
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};
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#define RDL_HANDLE(obj) ((struct dl_handle *)(DATA_PTR(obj)))
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#define RCFUNC_DATA(obj) ((struct cfunc_data *)(DATA_PTR(obj)))
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#define RPTR_DATA(obj) ((struct ptr_data *)(DATA_PTR(obj)))
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VALUE rb_dlcfunc_new(void (*func)(), int dltype, const char * name, ID calltype);
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int rb_dlcfunc_kind_p(VALUE func);
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VALUE rb_dlptr_new(void *ptr, long size, freefunc_t func);
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VALUE rb_dlptr_new2(VALUE klass, void *ptr, long size, freefunc_t func);
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VALUE rb_dlptr_malloc(long size, freefunc_t func);
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#endif
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