diff options
Diffstat (limited to 'ruby_1_9_3/ext/dl/dl.c')
| -rw-r--r-- | ruby_1_9_3/ext/dl/dl.c | 407 |
1 files changed, 0 insertions, 407 deletions
diff --git a/ruby_1_9_3/ext/dl/dl.c b/ruby_1_9_3/ext/dl/dl.c deleted file mode 100644 index e0617047ec..0000000000 --- a/ruby_1_9_3/ext/dl/dl.c +++ /dev/null @@ -1,407 +0,0 @@ -/* - * ext/dl/dl.c - * - * doumentation: - * - Vincent Batts (vbatts@hashbangbash.com) - * - */ -#include <ruby/ruby.h> -#include <ruby/io.h> -#include <ctype.h> -#include "dl.h" - -VALUE rb_mDL; -VALUE rb_eDLError; -VALUE rb_eDLTypeError; - -ID rbdl_id_cdecl; -ID rbdl_id_stdcall; - -VALUE -rb_dl_dlopen(int argc, VALUE argv[], VALUE self) -{ - return rb_class_new_instance(argc, argv, rb_cDLHandle); -} - -/* - * call-seq: DL.malloc - * - * Allocate +size+ bytes of memory and return the integer memory address - * for the allocated memory. - */ -VALUE -rb_dl_malloc(VALUE self, VALUE size) -{ - void *ptr; - - rb_secure(4); - ptr = (void*)ruby_xmalloc(NUM2INT(size)); - return PTR2NUM(ptr); -} - -/* - * call-seq: DL.realloc(addr, size) - * - * Change the size of the memory allocated at the memory location +addr+ to - * +size+ bytes. Returns the memory address of the reallocated memory, which - * may be different than the address passed in. - */ -VALUE -rb_dl_realloc(VALUE self, VALUE addr, VALUE size) -{ - void *ptr = NUM2PTR(addr); - - rb_secure(4); - ptr = (void*)ruby_xrealloc(ptr, NUM2INT(size)); - return PTR2NUM(ptr); -} - -/* - * call-seq: DL.free(addr) - * - * Free the memory at address +addr+ - */ -VALUE -rb_dl_free(VALUE self, VALUE addr) -{ - void *ptr = NUM2PTR(addr); - - rb_secure(4); - ruby_xfree(ptr); - return Qnil; -} - -VALUE -rb_dl_ptr2value(VALUE self, VALUE addr) -{ - rb_secure(4); - return (VALUE)NUM2PTR(addr); -} - -VALUE -rb_dl_value2ptr(VALUE self, VALUE val) -{ - return PTR2NUM((void*)val); -} - -static void -rb_dl_init_callbacks(VALUE dl) -{ - static const char cb[] = "dl/callback.so"; - - rb_autoload(dl, rb_intern_const("CdeclCallbackAddrs"), cb); - rb_autoload(dl, rb_intern_const("CdeclCallbackProcs"), cb); -#ifdef FUNC_STDCALL - rb_autoload(dl, rb_intern_const("StdcallCallbackAddrs"), cb); - rb_autoload(dl, rb_intern_const("StdcallCallbackProcs"), cb); -#endif -} - -void -Init_dl(void) -{ - void Init_dlhandle(void); - void Init_dlcfunc(void); - void Init_dlptr(void); - - rbdl_id_cdecl = rb_intern_const("cdecl"); - rbdl_id_stdcall = rb_intern_const("stdcall"); - - /* Document-module: DL - * - * A bridge to the dlopen() or dynamic library linker function. - * - * == Example - * - * bash $> cat > sum.c <<EOF - * double sum(double *arry, int len) - * { - * double ret = 0; - * int i; - * for(i = 0; i < len; i++){ - * ret = ret + arry[i]; - * } - * return ret; - * } - * - * double split(double num) - * { - * double ret = 0; - * ret = num / 2; - * return ret; - * } - * EOF - * bash $> gcc -o libsum.so -shared sum.c - * bash $> cat > sum.rb <<EOF - * require 'dl' - * require 'dl/import' - * - * module LibSum - * extend DL::Importer - * dlload './libsum.so' - * extern 'double sum(double*, int)' - * extern 'double split(double)' - * end - * - * a = [2.0, 3.0, 4.0] - * - * sum = LibSum.sum(a.pack("d*"), a.count) - * p LibSum.split(sum) - * EOF - * bash $> ruby sum.rb - * 4.5 - * - * WIN! :-) - */ - rb_mDL = rb_define_module("DL"); - - /* - * Document-class: DL::DLError - * - * standard dynamic load exception - */ - rb_eDLError = rb_define_class_under(rb_mDL, "DLError", rb_eStandardError); - - /* - * Document-class: DL::DLTypeError - * - * dynamic load incorrect type exception - */ - rb_eDLTypeError = rb_define_class_under(rb_mDL, "DLTypeError", rb_eDLError); - - /* Document-const: MAX_CALLBACK - * - * Maximum number of callbacks - */ - rb_define_const(rb_mDL, "MAX_CALLBACK", INT2NUM(MAX_CALLBACK)); - - /* Document-const: DLSTACK_SIZE - * - * Dynamic linker stack size - */ - rb_define_const(rb_mDL, "DLSTACK_SIZE", INT2NUM(DLSTACK_SIZE)); - - rb_dl_init_callbacks(rb_mDL); - - /* Document-const: RTLD_GLOBAL - * - * rtld DL::Handle flag. - * - * The symbols defined by this library will be made available for symbol - * resolution of subsequently loaded libraries. - */ - rb_define_const(rb_mDL, "RTLD_GLOBAL", INT2NUM(RTLD_GLOBAL)); - - /* Document-const: RTLD_LAZY - * - * rtld DL::Handle flag. - * - * Perform lazy binding. Only resolve symbols as the code that references - * them is executed. If the symbol is never referenced, then it is never - * resolved. (Lazy binding is only performed for function references; - * references to variables are always immediately bound when the library - * is loaded.) - */ - rb_define_const(rb_mDL, "RTLD_LAZY", INT2NUM(RTLD_LAZY)); - - /* Document-const: RTLD_NOW - * - * rtld DL::Handle flag. - * - * If this value is specified or the environment variable LD_BIND_NOW is - * set to a nonempty string, all undefined symbols in the library are - * resolved before dlopen() returns. If this cannot be done an error is - * returned. - */ - rb_define_const(rb_mDL, "RTLD_NOW", INT2NUM(RTLD_NOW)); - - /* Document-const: TYPE_VOID - * - * DL::CFunc type - void - */ - rb_define_const(rb_mDL, "TYPE_VOID", INT2NUM(DLTYPE_VOID)); - - /* Document-const: TYPE_VOIDP - * - * DL::CFunc type - void* - */ - rb_define_const(rb_mDL, "TYPE_VOIDP", INT2NUM(DLTYPE_VOIDP)); - - /* Document-const: TYPE_CHAR - * - * DL::CFunc type - char - */ - rb_define_const(rb_mDL, "TYPE_CHAR", INT2NUM(DLTYPE_CHAR)); - - /* Document-const: TYPE_SHORT - * - * DL::CFunc type - short - */ - rb_define_const(rb_mDL, "TYPE_SHORT", INT2NUM(DLTYPE_SHORT)); - - /* Document-const: TYPE_INT - * - * DL::CFunc type - int - */ - rb_define_const(rb_mDL, "TYPE_INT", INT2NUM(DLTYPE_INT)); - - /* Document-const: TYPE_LONG - * - * DL::CFunc type - long - */ - rb_define_const(rb_mDL, "TYPE_LONG", INT2NUM(DLTYPE_LONG)); - -#if HAVE_LONG_LONG - /* Document-const: TYPE_LONG_LONG - * - * DL::CFunc type - long long - */ - rb_define_const(rb_mDL, "TYPE_LONG_LONG", INT2NUM(DLTYPE_LONG_LONG)); -#endif - - /* Document-const: TYPE_FLOAT - * - * DL::CFunc type - float - */ - rb_define_const(rb_mDL, "TYPE_FLOAT", INT2NUM(DLTYPE_FLOAT)); - - /* Document-const: TYPE_DOUBLE - * - * DL::CFunc type - double - */ - rb_define_const(rb_mDL, "TYPE_DOUBLE", INT2NUM(DLTYPE_DOUBLE)); - - /* Document-const: ALIGN_VOIDP - * - * The Offset of a struct void* and a void* - */ - rb_define_const(rb_mDL, "ALIGN_VOIDP", INT2NUM(ALIGN_VOIDP)); - - /* Document-const: ALIGN_CHAR - * - * The Offset of a struct char and a char - */ - rb_define_const(rb_mDL, "ALIGN_CHAR", INT2NUM(ALIGN_CHAR)); - - /* Document-const: ALIGN_SHORT - * - * The Offset of a struct short and a short - */ - rb_define_const(rb_mDL, "ALIGN_SHORT", INT2NUM(ALIGN_SHORT)); - - /* Document-const: ALIGN_INT - * - * The Offset of a struct int and a int - */ - rb_define_const(rb_mDL, "ALIGN_INT", INT2NUM(ALIGN_INT)); - - /* Document-const: ALIGN_LONG - * - * The Offset of a struct long and a long - */ - rb_define_const(rb_mDL, "ALIGN_LONG", INT2NUM(ALIGN_LONG)); - -#if HAVE_LONG_LONG - /* Document-const: ALIGN_LONG_LONG - * - * The Offset of a struct long long and a long long - */ - rb_define_const(rb_mDL, "ALIGN_LONG_LONG", INT2NUM(ALIGN_LONG_LONG)); -#endif - - /* Document-const: ALIGN_FLOAT - * - * The Offset of a struct float and a float - */ - rb_define_const(rb_mDL, "ALIGN_FLOAT", INT2NUM(ALIGN_FLOAT)); - - /* Document-const: ALIGN_DOUBLE - * - * The Offset of a struct double and a double - */ - rb_define_const(rb_mDL, "ALIGN_DOUBLE",INT2NUM(ALIGN_DOUBLE)); - - /* Document-const: SIZEOF_VOIDP - * - * OS Dependent - sizeof(void*) - */ - rb_define_const(rb_mDL, "SIZEOF_VOIDP", INT2NUM(sizeof(void*))); - - /* Document-const: SIZEOF_CHAR - * - * OS Dependent - sizeof(char) - */ - rb_define_const(rb_mDL, "SIZEOF_CHAR", INT2NUM(sizeof(char))); - - /* Document-const: SIZEOF_SHORT - * - * OS Dependent - sizeof(short) - */ - rb_define_const(rb_mDL, "SIZEOF_SHORT", INT2NUM(sizeof(short))); - - /* Document-const: SIZEOF_INT - * - * OS Dependent - sizeof(int) - */ - rb_define_const(rb_mDL, "SIZEOF_INT", INT2NUM(sizeof(int))); - - /* Document-const: SIZEOF_LONG - * - * OS Dependent - sizeof(long) - */ - rb_define_const(rb_mDL, "SIZEOF_LONG", INT2NUM(sizeof(long))); - -#if HAVE_LONG_LONG - /* Document-const: SIZEOF_LONG_LONG - * - * OS Dependent - sizeof(long long) - */ - rb_define_const(rb_mDL, "SIZEOF_LONG_LONG", INT2NUM(sizeof(LONG_LONG))); -#endif - - /* Document-const: SIZEOF_FLOAT - * - * OS Dependent - sizeof(float) - */ - rb_define_const(rb_mDL, "SIZEOF_FLOAT", INT2NUM(sizeof(float))); - - /* Document-const: SIZEOF_DOUBLE - * - * OS Dependent - sizeof(double) - */ - rb_define_const(rb_mDL, "SIZEOF_DOUBLE",INT2NUM(sizeof(double))); - - rb_define_module_function(rb_mDL, "dlwrap", rb_dl_value2ptr, 1); - rb_define_module_function(rb_mDL, "dlunwrap", rb_dl_ptr2value, 1); - - rb_define_module_function(rb_mDL, "dlopen", rb_dl_dlopen, -1); - rb_define_module_function(rb_mDL, "malloc", rb_dl_malloc, 1); - rb_define_module_function(rb_mDL, "realloc", rb_dl_realloc, 2); - rb_define_module_function(rb_mDL, "free", rb_dl_free, 1); - - /* Document-const: RUBY_FREE - * - * Address of the ruby_xfree() function - */ - rb_define_const(rb_mDL, "RUBY_FREE", PTR2NUM(ruby_xfree)); - - /* Document-const: BUILD_RUBY_PLATFORM - * - * Platform built against (i.e. "x86_64-linux", etc.) - * - * See also RUBY_PLATFORM - */ - rb_define_const(rb_mDL, "BUILD_RUBY_PLATFORM", rb_str_new2(RUBY_PLATFORM)); - - /* Document-const: BUILD_RUBY_VERSION - * - * Ruby Version built. (i.e. "1.9.3") - * - * See also RUBY_VERSION - */ - rb_define_const(rb_mDL, "BUILD_RUBY_VERSION", rb_str_new2(RUBY_VERSION)); - - Init_dlhandle(); - Init_dlcfunc(); - Init_dlptr(); -} |