[llvm-commits] [PATCH] Win64 Support for Crash Stack Crawls

[Aaron Ballman]

This patch fixes a FIXME in Signals.inc for Win64.  Now, it contains
support for 32- and 64-bit versions of the library.  The StackWalk64
API (and friends) were introduced in DebugHlp 5.1, which shipped with
Windows XP.  However, I don't have an XP install handy to test
against, so I've not verified on the LCD platform.  However, I have
tested it on Win7 64-bit with 32-bit and 64-bit versions of the
library.

The majority of this patch involved working around MinGW.  :-(  It
doesn't have support for any of the 64-bit APIs or structures, so I
had to dynamically load them.  All structures and function signatures
were pulled from the platform SDK.  So this has been tested with VC++
and MinGW both.

~Aaron
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