Rework __try1/__except1 to resolve issue [#1328].

[mingw/mingw-org-wsl.git] / mingwrt / ChangeLog

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+2016-06-28  Keith Marshall  <keithmarshall@users.sourceforge.net>
+
+       Rework __try1/__except1 to resolve issue [#1328].
+
+       * include/excpt.h: Assert copyright; tidy layout.
+       (_EXCPT_H_): Multiple inclusion guard macro renamed to...
+       (_EXCPT_H): ...this; update all references as appropriate.
+       (_BEGIN_C_DECLS, _END_C_DECLS): Use these.
+       (__typecast_alloca): New macro; define it, casting return type of...
+       (__builtin_alloca): ...this to a specified data type; use it in...
+       (__try1_setup, __except1_teardown): ...these new macros; define them
+       as parameterized templates, providing both -masm-att and -masm-intel
+       syntax implementations, with host specific word size and register
+       assignment parameter substitutions; use them to redefine...
+       (__try1, __except1): ...each of these, using __builtin_alloca to avoid
+       direct stack pushes when registering exception handlers; assign the
+       template parameters as appropriate to support implementation for...
+       [_WIN64, _WIN32]: ...either of these, as the host requires.
+
 2016-06-17  Keith Marshall  <keithmarshall@users.sourceforge.net>
 
        Merge Cygwin CVS updates to legacy branch.