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8140450: Implement JEP 259: Stack-Walking API

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Co-authored-by: Brent Christian <brent.christian@oracle.com>
Co-authored-by: Daniel Fuchs <daniel.fuchs@oracle.com>
Co-authored-by: Hamlin Li <huaming.li@oracle.com>
Reviewed-by: coleenp, dfuchs, bchristi, psandoz, sspitsyn
This commit is contained in:
Mandy Chung 2015-11-23 12:44:43 -08:00
parent 961fbacd76
commit bf9af24b55
14 changed files with 1080 additions and 58 deletions
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83
hotspot/src/share/vm/classfile/javaClasses.hpp
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@ -1359,6 +1359,85 @@ class java_lang_StackTraceElement: AllStatic {
};
class Backtrace: AllStatic {
public:
// Helper backtrace functions to store bci|version together.
static int merge_bci_and_version(int bci, int version);
static int merge_mid_and_cpref(int mid, int cpref);
static int bci_at(unsigned int merged);
static int version_at(unsigned int merged);
static int mid_at(unsigned int merged);
static int cpref_at(unsigned int merged);
static int get_line_number(const methodHandle& method, int bci);
static Symbol* get_source_file_name(InstanceKlass* holder, int version);
// Debugging
friend class JavaClasses;
};
// Interface to java.lang.StackFrameInfo objects
#define STACKFRAMEINFO_INJECTED_FIELDS(macro) \
macro(java_lang_StackFrameInfo, mid, short_signature, false) \
macro(java_lang_StackFrameInfo, version, short_signature, false) \
macro(java_lang_StackFrameInfo, cpref, short_signature, false)
class java_lang_StackFrameInfo: AllStatic {
private:
static int _declaringClass_offset;
static int _memberName_offset;
static int _bci_offset;
static int _methodName_offset;
static int _fileName_offset;
static int _lineNumber_offset;
static int _mid_offset;
static int _version_offset;
static int _cpref_offset;
static Method* get_method(Handle stackFrame, InstanceKlass* holder, TRAPS);
static Symbol* get_file_name(Handle stackFrame, InstanceKlass* holder);
public:
// Setters
static void set_declaringClass(oop info, oop value);
static void set_method_and_bci(Handle stackFrame, const methodHandle& method, int bci);
static void set_bci(oop info, int value);
// set method info in an instance of StackFrameInfo
static void fill_methodInfo(Handle info, TRAPS);
static void set_methodName(oop info, oop value);
static void set_fileName(oop info, oop value);
static void set_lineNumber(oop info, int value);
// these injected fields are only used if -XX:-MemberNameInStackFrame set
static void set_mid(oop info, short value);
static void set_version(oop info, short value);
static void set_cpref(oop info, short value);
static void compute_offsets();
// Debugging
friend class JavaClasses;
};
class java_lang_LiveStackFrameInfo: AllStatic {
private:
static int _monitors_offset;
static int _locals_offset;
static int _operands_offset;
public:
static void set_monitors(oop info, oop value);
static void set_locals(oop info, oop value);
static void set_operands(oop info, oop value);
static void compute_offsets();
// Debugging
friend class JavaClasses;
};
// Interface to java.lang.AssertionStatusDirectives objects
class java_lang_AssertionStatusDirectives: AllStatic {
@ -1442,7 +1521,9 @@ class InjectedField {
CLASS_INJECTED_FIELDS(macro) \
CLASSLOADER_INJECTED_FIELDS(macro) \
MEMBERNAME_INJECTED_FIELDS(macro) \
CALLSITECONTEXT_INJECTED_FIELDS(macro)
CALLSITECONTEXT_INJECTED_FIELDS(macro) \
STACKFRAMEINFO_INJECTED_FIELDS(macro)
// Interface to hard-coded offset checking