Mercurial > hg > truffle

comparison src/share/vm/utilities/debug.hpp @ 6999:679e6584c177

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
added ScopedDebugValue to add values of interest to hs_err crash logs
author Doug Simon <doug.simon@oracle.com>
date Wed, 21 Nov 2012 19:23:43 +0100
parents da91efe96a93
children b8f261ba79c6 96a337d307bd
comparison
equal deleted inserted replaced
6998:49f0841607b7 6999:679e6584c177
27 27
28 #include "prims/jvm.h" 28 #include "prims/jvm.h"
29 #include "utilities/globalDefinitions.hpp" 29 #include "utilities/globalDefinitions.hpp"
30 30
31 #include <stdarg.h> 31 #include <stdarg.h>
32
33 #ifdef GRAAL
34 // Scopes a value that may be of interest in a crash log.
35 class DebugScopedValue {
36 protected:
37 DebugScopedValue *_parent;
38 const char* _file;
39 int _line;
40 public:
41 DebugScopedValue(const char* file, int line);
42 ~DebugScopedValue();
43 void print(outputStream* st);
44 virtual void print_on(outputStream* st) = 0;
45 DebugScopedValue* parent() { return _parent; }
46 };
47
48 class DebugScopedScalar : DebugScopedValue {
49 private:
50 void* _value;
51 public:
52 DebugScopedScalar(const char* file, int line, void* v) : DebugScopedValue(file, line), _value(v) {}
53 void print_on(outputStream* st);
54 };
55 #define DS_SCALAR(val) DebugScopedScalar __dss__(__FILE__, __LINE__, (void*) val)
56 #define DS_SCALAR1(name, val) DebugScopedScalar name(__FILE__, __LINE__, (void*) val)
57 #else
58 #define DS_SCALAR(name) do {} while (0)
59 #define DS_SCALAR1(name, val) do {} while (0)
60 #endif
32 61
33 // Simple class to format the ctor arguments into a fixed-sized buffer. 62 // Simple class to format the ctor arguments into a fixed-sized buffer.
34 class FormatBufferBase { 63 class FormatBufferBase {
35 protected: 64 protected:
36 char* _buf; 65 char* _buf;