Add __CxxDetectRethrow(), __CxxQueryExceptionSize().

dlls/msvcrt/cppexcept.h

+/*
+ * msvcrt C++ exception handling
+ *
+ * Copyright 2002 Alexandre Julliard
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef __MSVCRT_CPPEXCEPT_H
+#define __MSVCRT_CPPEXCEPT_H
+
+#define CXX_FRAME_MAGIC    0x19930520
+#define CXX_EXCEPTION      0xe06d7363
+
+typedef void (*vtable_ptr)();
+
+/* type_info object, see cpp.c for inplementation */
+typedef struct __type_info
+{
+  vtable_ptr *vtable;
+  char *name;        /* Unmangled name, allocated lazily */
+  char  mangled[32]; /* Variable length, but we declare it large enough for static RTTI */
+} type_info;
+
+/* the exception frame used by CxxFrameHandler */
+typedef struct __cxx_exception_frame
+{
+    EXCEPTION_FRAME  frame;    /* the standard exception frame */
+    int              trylevel;
+    DWORD            ebp;
+} cxx_exception_frame;
+
+/* info about a single catch {} block */
+typedef struct __catchblock_info
+{
+    UINT       flags;         /* flags (see below) */
+    type_info *type_info;     /* C++ type caught by this block */
+    int        offset;        /* stack offset to copy exception object to */
+    void     (*handler)();    /* catch block handler code */
+} catchblock_info;
+#define TYPE_FLAG_CONST      1
+#define TYPE_FLAG_VOLATILE   2
+#define TYPE_FLAG_REFERENCE  8
+
+/* info about a single try {} block */
+typedef struct __tryblock_info
+{
+    int              start_level;      /* start trylevel of that block */
+    int              end_level;        /* end trylevel of that block */
+    int              catch_level;      /* initial trylevel of the catch block */
+    int              catchblock_count; /* count of catch blocks in array */
+    catchblock_info *catchblock;       /* array of catch blocks */
+} tryblock_info;
+
+/* info about the unwind handler for a given trylevel */
+typedef struct __unwind_info
+{
+    int    prev;          /* prev trylevel unwind handler, to run after this one */
+    void (*handler)();    /* unwind handler */
+} unwind_info;
+
+/* descriptor of all try blocks of a given function */
+typedef struct __cxx_function_descr
+{
+    UINT           magic;          /* must be CXX_FRAME_MAGIC */
+    UINT           unwind_count;   /* number of unwind handlers */
+    unwind_info   *unwind_table;   /* array of unwind handlers */
+    UINT           tryblock_count; /* number of try blocks */
+    tryblock_info *tryblock;       /* array of try blocks */
+    UINT           unknown[3];
+} cxx_function_descr;
+
+typedef void (*cxx_copy_ctor)(void);
+
+/* complete information about a C++ type */
+typedef struct __cxx_type_info
+{
+    UINT        flags;         /* flags (see CLASS_* flags below) */
+    type_info  *type_info;     /* C++ type info */
+    int         this_offset;   /* offset of base class this pointer from start of object */
+    int         vbase_descr;   /* offset of virtual base class descriptor */
+    int         vbase_offset;  /* offset of this pointer offset in virtual base class descriptor */
+    size_t      size;          /* object size */
+    cxx_copy_ctor copy_ctor;   /* copy constructor */
+} cxx_type_info;
+#define CLASS_IS_SIMPLE_TYPE          1
+#define CLASS_HAS_VIRTUAL_BASE_CLASS  4
+
+/* table of C++ types that apply for a given object */
+typedef struct __cxx_type_info_table
+{
+    UINT                 count;     /* number of types */
+    const cxx_type_info *info[3];   /* variable length, we declare it large enough for static RTTI */
+} cxx_type_info_table;
+
+typedef DWORD (*cxx_exc_custom_handler)( PEXCEPTION_RECORD, cxx_exception_frame*,
+                                         PCONTEXT, struct __EXCEPTION_FRAME**,
+                                         cxx_function_descr*, int nested_trylevel,
+                                         EXCEPTION_FRAME *nested_frame, DWORD unknown3 );
+
+/* type information for an exception object */
+typedef struct __cxx_exception_type
+{
+    UINT                       flags;            /* TYPE_FLAG flags */
+    void                     (*destructor)();    /* exception object destructor */
+    cxx_exc_custom_handler     custom_handler;   /* custom handler for this exception */
+    const cxx_type_info_table *type_info_table;  /* list of types for this exception object */
+} cxx_exception_type;
+
+void _CxxThrowException(void*,const cxx_exception_type*);
+
+#endif /* __MSVCRT_CPPEXCEPT_H */