archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-24 04:54:40 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

7200163: add CodeComments functionality to assember stubs

Browse source 
Pass the codeBuffer to the Stub constructor, and adapts the disassembler to print the comments.

Reviewed-by: jrose, kvn, twisti
This commit is contained in:
Goetz Lindenmaier 2012-09-24 10:30:14 -07:00 • committed by Vladimir Kozlov
parent 302540691b
commit 5ada196961
14 changed files with 73 additions and 42 deletions
Download patch file Download diff file Expand all files Collapse all files

16
hotspot/src/share/vm/code/stubs.hpp
View file

@ -25,6 +25,7 @@
#ifndef SHARE_VM_CODE_STUBS_HPP
#define SHARE_VM_CODE_STUBS_HPP
#include "asm/codeBuffer.hpp"
#include "memory/allocation.hpp"
#ifdef TARGET_OS_FAMILY_linux
# include "os_linux.inline.hpp"
@ -71,7 +72,8 @@
class Stub VALUE_OBJ_CLASS_SPEC {
public:
// Initialization/finalization
void initialize(int size) { ShouldNotCallThis(); } // called to initialize/specify the stub's size
void initialize(int size,
CodeComments& comments) { ShouldNotCallThis(); } // called to initialize/specify the stub's size
void finalize() { ShouldNotCallThis(); } // called before the stub is deallocated
// General info/converters
@ -104,7 +106,8 @@ class Stub VALUE_OBJ_CLASS_SPEC {
class StubInterface: public CHeapObj<mtCode> {
public:
// Initialization/finalization
virtual void initialize(Stub* self, int size) = 0; // called after creation (called twice if allocated via (request, commit))
virtual void initialize(Stub* self, int size,
CodeComments& comments) = 0; // called after creation (called twice if allocated via (request, commit))
virtual void finalize(Stub* self) = 0; // called before deallocation
// General info/converters
@ -132,7 +135,8 @@ class StubInterface: public CHeapObj<mtCode> {
\
public: \
/* Initialization/finalization */ \
virtual void initialize(Stub* self, int size) { cast(self)->initialize(size); } \
virtual void initialize(Stub* self, int size, \
CodeComments& comments) { cast(self)->initialize(size, comments); } \
virtual void finalize(Stub* self) { cast(self)->finalize(); } \
\
/* General info */ \
@ -171,7 +175,8 @@ class StubQueue: public CHeapObj<mtCode> {
Stub* current_stub() const { return stub_at(_queue_end); }
// Stub functionality accessed via interface
void stub_initialize(Stub* s, int size) { assert(size % CodeEntryAlignment == 0, "size not aligned"); _stub_interface->initialize(s, size); }
void stub_initialize(Stub* s, int size,
CodeComments& comments) { assert(size % CodeEntryAlignment == 0, "size not aligned"); _stub_interface->initialize(s, size, comments); }
void stub_finalize(Stub* s) { _stub_interface->finalize(s); }
int stub_size(Stub* s) const { return _stub_interface->size(s); }
bool stub_contains(Stub* s, address pc) const { return _stub_interface->code_begin(s) <= pc && pc < _stub_interface->code_end(s); }
@ -200,7 +205,8 @@ class StubQueue: public CHeapObj<mtCode> {
// Stub allocation (atomic transactions)
Stub* request_committed(int code_size); // request a stub that provides exactly code_size space for code
Stub* request(int requested_code_size); // request a stub with a (maximum) code space - locks the queue
void commit (int committed_code_size); // commit the previously requested stub - unlocks the queue
void commit (int committed_code_size,
CodeComments& comments); // commit the previously requested stub - unlocks the queue
// Stub deallocation
void remove_first(); // remove the first stub in the queue