gallivm: Add an alternative to LLVMDumpValue that works with Windows GUI apps.

1 files changed, 98 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
new file mode 100644
index 0000000000..ee56778008
--- /dev/null
+++ b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
@@ -0,0 +1,98 @@
+/**************************************************************************
+ *
+ * Copyright 2010 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ **************************************************************************/
+
+
+#ifndef __STDC_LIMIT_MACROS
+#define __STDC_LIMIT_MACROS
+#endif
+
+#ifndef __STDC_CONSTANT_MACROS
+#define __STDC_CONSTANT_MACROS
+#endif
+
+#include "llvm/Support/raw_ostream.h"
+#include "llvm-c/Core.h"
+
+#include "util/u_debug.h"
+
+
+#if defined(PIPE_OS_WINDOWS) || defined(PIPE_OS_EMBDDED)
+
+class raw_debug_ostream :
+   public llvm::raw_ostream
+{
+   uint64_t pos;
+
+   void write_impl(const char *Ptr, size_t Size);
+   uint64_t current_pos() { return pos; }
+   uint64_t current_pos() const { return pos; }
+
+#if HAVE_LLVM >= 0x207
+   uint64_t preferred_buffer_size() { return 512; }
+#else
+   size_t preferred_buffer_size() { return 512; }
+#endif
+};
+
+
+void
+raw_debug_ostream::write_impl(const char *Ptr, size_t Size)
+{
+   if (Size > 0) {
+      char *lastPtr = (char *)&Ptr[Size];
+      char last = *lastPtr;
+      *lastPtr = 0;
+      _debug_printf("%*s", Size, Ptr);
+      *lastPtr = last;
+      pos += Size;
+   }
+}
+
+
+/**
+ * Same as LLVMDumpValue, but through our debugging channels.
+ */
+extern "C" void
+lp_debug_dump_value(LLVMValueRef value)
+{
+   raw_debug_ostream os;
+   llvm::unwrap(value)->print(os);
+   os.flush();
+}
+
+
+#else
+
+
+extern "C" void
+lp_debug_dump_value(LLVMValueRef value)
+{
+   LLVMDumpValue(value);
+}
+
+
+#endif