src/gallium/auxiliary/gallivm/lp_bld_misc.cpp

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   3  * Copyright 2010 VMware, Inc.
   4  * All Rights Reserved.
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   6  * Permission is hereby granted, free of charge, to any person obtaining a
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  22  * The above copyright notice and this permission notice (including the
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  24  * of the Software.
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  26  **************************************************************************/
  27
  28
  29 #ifndef __STDC_LIMIT_MACROS
  30 #define __STDC_LIMIT_MACROS
  31 #endif
  32
  33 #ifndef __STDC_CONSTANT_MACROS
  34 #define __STDC_CONSTANT_MACROS
  35 #endif
  36
  37 #include "llvm-c/Core.h"
  38
  39 #include "pipe/p_config.h"
  40 #include "util/u_debug.h"
  41
  42
  43 #if (defined(PIPE_OS_WINDOWS) && !defined(PIPE_CC_MSVC)) || defined(PIPE_OS_EMBDDED)
  44
  45 #include "llvm/Support/raw_ostream.h"
  46
  47 class raw_debug_ostream :
  48    public llvm::raw_ostream
  49 {
  50    uint64_t pos;
  51
  52    void write_impl(const char *Ptr, size_t Size);
  53    uint64_t current_pos() { return pos; }
  54    uint64_t current_pos() const { return pos; }
  55
  56 #if HAVE_LLVM >= 0x207
  57    uint64_t preferred_buffer_size() { return 512; }
  58 #else
  59    size_t preferred_buffer_size() { return 512; }
  60 #endif
  61 };
  62
  63
  64 void
  65 raw_debug_ostream::write_impl(const char *Ptr, size_t Size)
  66 {
  67    if (Size > 0) {
  68       char *lastPtr = (char *)&Ptr[Size];
  69       char last = *lastPtr;
  70       *lastPtr = 0;
  71       _debug_printf("%*s", Size, Ptr);
  72       *lastPtr = last;
  73       pos += Size;
  74    }
  75 }
  76
  77
  78 /**
  79  * Same as LLVMDumpValue, but through our debugging channels.
  80  */
  81 extern "C" void
  82 lp_debug_dump_value(LLVMValueRef value)
  83 {
  84    raw_debug_ostream os;
  85    llvm::unwrap(value)->print(os);
  86    os.flush();
  87 }
  88
  89
  90 #else
  91
  92
  93 extern "C" void
  94 lp_debug_dump_value(LLVMValueRef value)
  95 {
  96    LLVMDumpValue(value);
  97 }
  98
  99
 100 #endif