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1528 Commits

Author SHA1 Message Date
Joel Dice
60333c88f5 fix continuations=true build for Windows x86_64 2009-12-03 12:46:29 -07:00
Joel Dice
7cdf63c045 fix continuations=true build for Darwin 2009-12-02 23:15:27 -07:00
Joel Dice
f0e66eea37 remove extra semicolon 2009-12-02 23:09:05 -07:00
Joel Dice
7a3bf85caf fix bootimage=true build for Windows 2009-12-02 20:08:07 -07:00
Joel Dice
b218117881 fix continuations=true build for Cygwin 2009-12-02 19:37:22 -07:00
Joel Dice
8b11f0c271 fix continuations=true build for Windows 2009-12-02 19:29:57 -07:00
Joel Dice
6118792ffd update copyright years 2009-12-02 19:08:29 -07:00
jet
e516f3ce1c Merge branch 'wip' of oss.readytalk.com:/var/local/git/avian into wip 2009-12-02 13:45:21 -07:00
Joel Dice
3777c9b429 fix MSVC build 2009-12-02 08:49:10 -07:00
Joel Dice
5a0e00ca39 GC safety bugfix 2009-12-01 22:41:12 -07:00
Joel Dice
80d3a286d1 check bootThunkTable as well as thunkTable in MyProcessor::getStackTrace 
We need to check to see if we caught the thread somewhere in the thunk
code (i.e. about to call a helper function), in which case the stack
and base pointers are valid and may be used to create an accurate
trace.
 2009-12-01 18:17:33 -07:00
Joel Dice
168e206812 fix GCC 3.4 build 2009-12-01 17:33:30 -07:00
Joel Dice
f216fe37ff fix regression which led to register exhaustion 2009-12-01 11:14:57 -07:00
Joel Dice
98275e175e powerpc bugfixes 2009-12-01 09:21:33 -07:00
Joel Dice
9ba71cf508 fix Darwin build 2009-12-01 08:23:11 -07:00
Joel Dice
0bdf1d8e82 use thunks for floating point ops if SSE is not available 2009-11-30 22:02:26 -07:00
Joel Dice
175cb8e89b more floating point bugfixes 2009-12-01 02:06:01 +00:00
Joel Dice
7fa10909f4 more bugfixes for handling 64-bit floats on 32-bit systems 2009-11-30 22:08:59 +00:00
jet
69c9bf5ff9 Merge branch 'wip' of oss.readytalk.com:/var/local/git/avian into wip 2009-11-30 14:00:51 -07:00
Joel Dice
851187f0ce refine memory barrier implementation and usage 2009-11-30 15:38:16 +00:00
Joel Dice
04454960ec various bugfixes for handling 64-bit floating point values on 32-bit systems 2009-11-30 15:10:34 +00:00
Joel Dice
d9de4c607c allow source operand of any type for move operations 2009-11-30 15:09:43 +00:00
Joel Dice
ec701b9994 whitespace tweaks 2009-11-30 15:08:45 +00:00
Joel Dice
79d281f7fa encourage loads from memory directly into SSE registers where appropriate 2009-11-30 02:17:08 +00:00
Joel Dice
1c61c1f421 fix x86 memoryBarrier implementation 2009-11-29 16:53:46 -07:00
Joel Dice
0b09c6aa30 avoid busy wait when entering "exclusive" state 2009-11-29 16:53:05 -07:00
Joel Dice
6d9e1270ca fix race conditions in atomic operations 2009-11-29 09:08:07 -07:00
Joel Dice
1558b85acf second attempt to fix "idle to active" fast path 
If another thread succeeds in entering the "exclusive" state while we
use the fast path to transition the current thread to "active", we
must switch back to "idle" temporarily to allow the exclusive thread a
chance to continue, and then retry the transition to "active" via the
slow path.
 2009-11-28 15:35:15 -07:00
Joel Dice
3418a8bcbe fix race condition introduced in previous commit 2009-11-28 15:24:02 -07:00
Joel Dice
75934c8342 provide fast paths for common thread state transitions 
These paths reduce contention among threads by using atomic operations
and memory barriers instead of mutexes where possible.  This is
especially important for JNI calls, since each such call involves two
state transitions: from "active" to "idle" and back.
 2009-11-28 15:01:54 -07:00
Joel Dice
f5490b800a Merge branch 'master' of oss.readytalk.com:/var/local/git/avian 2009-11-28 11:18:13 -07:00
Joel Dice
c615db31fb refine move cost calculation to avoid indirect moves (e.g. memory to memory) 2009-11-28 18:17:17 +00:00
Joel Dice
5ead8fab17 refactor code responsible for moving data in the compiler 
This is partially to address incorrect code generation for 64-bit
floating-point values on x86_32 and partially to reduce unnecessary
moves.
 2009-11-27 21:15:12 -07:00
Joel Dice
bd72745ff9 fix off-by-one error in intrinsic() 2009-11-27 21:01:27 -07:00
Joel Dice
f6a52e260b specify CONTEXT::ContextFlags before calling GetThreadContext 
Previously, we assumed that the "context" parameter to
GetThreadContext was only an output parameter, but it actually uses at
the value of CONTEXT::ContextFlags on entry to decide what parts of
the structure to fill in.  We were getting lucking most of the time,
because whatever garbage was on the stack at that location had the
necessary bits set.  When we weren't so lucky, we got all zeros for
the register values which sometimes lead to a crash depending on the
state of the thread being examined.
 2009-11-24 19:16:22 -07:00
Joel Dice
9f14d63592 initialize MyProcessor::getStackTrace::Visitor::trace in case visit is never called 2009-11-24 19:15:27 -07:00
Stan
728a6ba706 use MapViewOfFile instead of mmap on Windows 2009-11-24 08:24:37 -07:00
jet
993d210232 Merge branch 'wip' of oss.readytalk.com:/var/local/git/avian into wip 2009-11-23 10:04:16 -07:00
Joel Dice
a0d763d871 use cmpxchgq for 64-bit operands in atomicCompareAndSwap 2009-11-20 15:17:35 -07:00
Joel Dice
2276eece0e support atomicCompareAndSwap on powerpc for GCC versions prior to 4.1 2009-11-20 15:14:27 -07:00
Joel Dice
b83314e884 fix powerpc build 2009-11-20 10:42:02 -07:00
Joel Dice
15eada93ed implement atomicCompareAndSwap on x86_32 for GCC versions prior to 4.1 and for MSVC 2009-11-20 10:40:01 -07:00
Joel Dice
e91157a390 avoid acquiring a mutex recursively in markDirty 2009-11-19 19:41:49 -07:00
Joel Dice
5f5cc57d12 only use atomic operations if the compiler supports them 2009-11-19 19:32:54 -07:00
Joel Dice
fdde34694c use atomic operations in MyHeap::mark to avoid need for mutex 2009-11-19 18:13:00 -07:00
Joel Dice
c711ac5701 return null from NewString[UTF] if the char* parameter is null 2009-11-18 11:01:47 -07:00
jet
2f54eb5e55 Merge branch 'wip' of oss.readytalk.com:/var/local/git/avian into wip 2009-11-05 11:16:58 -07:00
Joel Dice
5b8a7ca566 temporarily disable use of SSE on 32-bit systems until a bug involving memory<->SSE-register moves is fixed 2009-11-04 15:16:06 +00:00
Joel Dice
fb5796b740 don't use SSE for long-to-double conversion on 32-bit systems 2009-11-04 00:02:38 +00:00
Joel Dice
82d2be8e71 implement JavaVM::AttachCurrentThreadAsDaemon 2009-11-03 14:52:14 -07:00
Joel Dice
4566e7a7dd avoid infinite loop in deadWord 2009-11-03 14:14:27 -07:00
jet
ad379e1b20 Merge branch 'wip' of oss.readytalk.com:/var/local/git/avian into wip 2009-11-03 11:50:21 -07:00
Joel Dice
ed4206b06d fix order-of-operations bug in compile loop 
The code was capturing branch snapshots too early - before the call to
populateSources which might perform further moves.
 2009-11-02 21:11:39 -07:00
jet
50dae3067d modified binaryToObject to support ARM 2009-10-30 15:04:15 -06:00
Joel Dice
e825da60aa update continuation constants to reflect new field offsets 2009-10-30 00:45:46 +00:00
jet
d901653979 Merge branch 'master' into wip 
Conflicts:

	src/compile.cpp
 2009-10-29 14:23:20 -06:00
jet
d3d228e69b moduloInt + arm work 2009-10-29 14:14:44 -06:00
jet
e00fc5d91a ARM port work 2009-10-29 10:12:30 -06:00
Joel Dice
3c893b2ee3 Merge commit 'origin/master' into wip 2009-10-27 10:36:19 -06:00
Joel Dice
1fd00dd55d revert all __attribute__ ((externally_visible)) changes because it's not clear yet how to detect whether it's supported 2009-10-27 10:35:26 -06:00
Joel Dice
e3b21e80ba Merge commit 'origin/master' into wip 2009-10-27 09:41:20 -06:00
Joel Dice
f57d80f1b7 ammend recent commit to avoid using __attribute__ ((externally_visible)) when it is not available (second try) 2009-10-27 09:41:00 -06:00
Joel Dice
8bf3487ff1 Merge commit 'origin/master' into wip 2009-10-27 09:35:13 -06:00
Joel Dice
51fcf1ef74 ammend recent commit to avoid using __attribute__ ((externally_visible)) when it is not available 2009-10-27 09:34:46 -06:00
Joel Dice
2efff818ea Merge commit 'origin/master' into wip 2009-10-27 09:17:54 -06:00
Joel Dice
4570b86da0 add __attribute__ ((externally_visible)) to EXPORT macros to facilitate whole-program optimization using GCC 4.5 2009-10-27 09:16:08 -06:00
Joel Dice
c8d5c1faed visit all frame locations in resolveOriginalSites 
Previously, we only visited frame locations containing values, but
this invited the possibility of reusing the same site for two
locations in some cases.
 2009-10-26 17:59:20 -06:00
Joel Dice
3b4be3decd defer to helper thunk for frem and drem 2009-10-24 19:29:20 -06:00
Joel Dice
95c3f37bfb fix various bugs involving doubles on 32-bit systems 2009-10-24 17:18:56 -06:00
Joel Dice
064ad572bc use truncation, not rounding in float2Int instructions 2009-10-20 15:43:24 -06:00
Joel Dice
f27ecaa199 fix memcpy argument order in Avian_avian_Singleton_getLong 2009-10-20 13:38:05 -06:00
Joel Dice
e06f0407cb fix powerpc bootimage build (second try) 2009-10-20 09:06:52 -06:00
Joel Dice
c044781807 fix powerpc bootimage build 2009-10-20 08:20:49 -06:00
Joel Dice
984f3106fd fix powerpc build 2009-10-19 10:31:34 -06:00
Joel Dice
1a63b72b41 clean up float-vs.-int tracking in constant pools 2009-10-17 20:11:03 -06:00
Joel Dice
15020d77a6 refactor intrinsic support 
This ensures that the low-level, architecture specific code need not
be aware of the semantics and names of Java methods.
 2009-10-17 19:26:14 -06:00
Joel Dice
f702795178 fix integer truncation bug 2009-10-17 18:35:19 -06:00
Joel Dice
cec6444911 fix bootimage build for case where the JIT code area is too far from the AOT code area to do immediate-offset jumps between them 2009-10-17 18:18:03 -06:00
Joel Dice
963bfb3e3f avoid array bounds warnings from GCC 4.3 
These warnings are due to GCC being smart enough to do interprocedural
constant propagation but not smart enough to avoid false positives in
all cases when looking for array bounds errors.
 2009-10-17 18:09:54 -06:00
Joel Dice
7b0378c180 support darwin/x86_64 2009-10-14 10:01:37 -06:00
Joel Dice
ef4a8430ad add binaryToObject utility 
We use this utility instead of objcopy to embed data into object files
because it offers more control over e.g. section alignment, which is
important for bootimage builds.
 2009-10-13 19:00:16 -06:00
Joel Dice
87950e86b8 add missing parameter to native SystemClassLoader methods 2009-10-13 18:42:49 -06:00
Joel Dice
9fcdfaf7ff implement binaryToElf utility and use it instead of objcopy on Linux 
This is necessary because objcopy does not currently allow us to
specify the alignment requirement for the .boot section used to store
the boot image for AOT builds.  This may be a problem for Windows as
well, in which case we'll need to add a binaryToPE utility.
 2009-10-11 16:09:23 -06:00
Joel Dice
c65b106112 whitespace tweak in binaryToMacho.cpp 2009-10-11 16:06:09 -06:00
Joel Dice
b878b84d32 set DebugCompile to false in compile.cpp 2009-10-11 16:05:37 -06:00
Joel Dice
b4c1c6badf fix process=interpret build 2009-10-10 18:23:14 -06:00
Joel Dice
44a6620aa1 disable use of SSE when compiling ahead-of-time 2009-10-10 17:46:43 -06:00
Joel Dice
38bf29300f enable SSE<->GPR moves when size matches word size 2009-10-10 22:27:35 +00:00
Joel Dice
78d9e51b7e replace hasMoreThanOneSite with uniqueSite; rename Value fields 
uniqueSite also checks, if applicable, to see if the second word of a
value shares the specified site with the first value as its sole site.

Also renamed a couple of fields in Value for clarity.
 2009-10-10 16:07:30 -06:00
Joel Dice
622b3d1c4e replace compare and branch instructions with combined versions 
This allows the assembler to see the operand types of the comparison
and the condition for jumping in the same operation, which is
essential for generating efficient code in cases such as
multiple-precision compare-and-branch.
 2009-10-10 15:03:23 -06:00
Joel Dice
609a1a9633 snapshot 2009-10-07 00:50:32 +00:00
Joel Dice
23197da679 fix handling of subroutines in methods of return type long on 32-bit systems 2009-10-06 03:17:12 +00:00
Joel Dice
4f78783ef1 various bugfixes for SSE-based floating-point support 2009-10-05 14:25:12 +00:00
Joel Dice
d25da6116a snapshot 2009-10-04 22:10:36 +00:00
Joel Dice
5dad9bddd6 snapshot 2009-10-04 19:56:48 +00:00
Joel Dice
6cef085d7e snapshot 2009-09-26 19:43:44 +00:00
Joel Dice
325f93b4d1 Merge branch 'master' into wip 
Conflicts:

	src/compile.cpp
	src/compiler.cpp
	src/machine.h
	src/x86.cpp
 2009-09-20 15:43:32 -06:00
Joel Dice
953cb69e5e move proxy and annotation code from C++ to Java 
This allows code shrinkers to remove it if it's not used by the application.
 2009-09-19 16:21:15 -06:00
Joel Dice
1a2eb3836c Merge branch 'master' of oss.readytalk.com:/var/local/git/avian 2009-09-18 18:01:57 -06:00
Joel Dice
7aa906d97b support runtime-visible annotations and java.lang.reflect.Proxy 2009-09-18 18:01:54 -06:00
Joel Dice
d0f8889e27 fix GC safety bugs in parseMethodTable and makeArrayClass 2009-09-18 12:20:35 -06:00
Joel Dice
b645c284b5 fix memory leak in debug build 2009-09-17 21:36:52 -06:00
Joel Dice
fcc4ff93e0 remove debug logging 2009-09-17 21:22:47 -06:00
Joel Dice
1dfa421a6c fix argument mixup in Runtime.exit 2009-09-17 18:28:42 -06:00
Joel Dice
bf2b17cfa6 fix misspelled comment 2009-09-04 17:08:45 -06:00
Joel Dice
b0ba70866e fix incorrect line numbers in NPE traces 2009-09-04 15:09:40 -06:00
Joel Dice
e47c149fb1 fix misuse of FindFirstFile 2009-09-03 17:57:32 -06:00
Joel Dice
6519047342 fix bootimage build 2009-09-03 09:06:04 -06:00
Joel Dice
84ac2e417d follow reference pointer before using in in refrenceTargetUnreachable in case it points to a moved object 2009-09-01 18:32:21 -06:00
Joel Dice
6aff383ee1 ensure Heap::needsMark and Heap::mark work correctly during GC 2009-09-01 18:31:18 -06:00
Joel Dice
4f794f533e fix handling of reachable, moved weak references in postVisit 2009-09-01 17:23:30 -06:00
Joel Dice
49005f0746 fix name-clash regression in heapdump.cpp 2009-09-01 13:09:53 -06:00
Joel Dice
27f35bf239 fix heapdump build 2009-09-01 12:15:33 -06:00
Joel Dice
73dc058c14 implement StackTraceElement.getFileName properly 2009-08-27 16:28:44 -06:00
Joel Dice
1a0eef7e2d add support for building with MSVC on Windows 2009-08-26 18:26:44 -06:00
Joel Dice
4297fa04b3 run java finalizers in a separate thread to guarantee no application locks are held when doing so 2009-08-24 17:51:31 -06:00
Joel Dice
4536f13ee4 superficial reformatting of previous commit 2009-08-21 09:44:18 -06:00
Joel Dice
637a676fb0 fix MinGW 3.4 build 2009-08-21 09:37:49 -06:00
Joel Dice
a56c1d8765 fix GC-safety bug in resolveSpec 2009-08-20 12:37:03 -06:00
Joel Dice
6196f61938 clear Thread::javaThread before entering zombie state, since clearing it in Thread::dispose is too late - the reference may already be invalid since we don't visit GC roots for zombie threads 2009-08-20 08:49:01 -06:00
Joel Dice
c4b5ecec90 implement Runtime.addShutdownHook and Thread.setDaemon; avoid segfaults due to an application calling e.g. CallStaticBooleanMethod when it really meant CallStaticVoidMethod 2009-08-19 14:27:03 -06:00
Joel Dice
df3baeb83b handle null value properly in SetObjectArrayElement 2009-08-19 07:36:52 -06:00
Joel Dice
0a2e611baa handle case of null thread local in SegFaultHandler::handleSignal 2009-08-18 15:47:08 -06:00
Joel Dice
0eba1eeaf2 leave thread in JoinedState instead of ZombieState in DetachCurrentThread 2009-08-18 15:29:25 -06:00
Joel Dice
01dcb1661b don't resolve all constant pool entries in linkClass - just the field and method specs 2009-08-18 15:27:21 -06:00
Joel Dice
6449c8275a fix process=interpret build 2009-08-18 14:41:21 -06:00
Joel Dice
c4edabdc02 implement ClassLoader.resolveClass and ensure class is linked in e.g. Class.getMethods; minor bugfixes 2009-08-18 14:26:28 -06:00
Joel Dice
dae0842c95 Merge branch 'master' of oss.readytalk.com:/var/local/git/avian 2009-08-17 13:10:36 -06:00
Joel Dice
062f6968a1 only emit a crash dump for access violations 2009-08-14 15:58:19 -06:00
Joel Dice
7fcbf9d85c fix reading 2-byte UTF-8 constants 2009-08-14 08:52:31 -06:00
Joel Dice
3facd3f735 treat SoftReferences as WeakReferences; do vtable or interface table lookups as necessary in MyProcessor::invoke; various bugfixes 2009-08-13 09:17:05 -06:00
Joel Dice
b3a5823536 set JNIEnvVTable::NewWeakGlobalRef to NewGlobalRef since we don't yet have a weak version 2009-08-13 09:07:05 -06:00
Joel Dice
99e5e65bd8 implement sun.misc.Unsafe methods; set gnu.cpu.endian property 2009-08-13 09:05:37 -06:00
Joel Dice
42622d0d25 Merge branch 'master' of oss.readytalk.com:/var/local/git/avian 2009-08-12 19:41:05 -06:00
Joel Dice
bf48f1e297 set java.version property in Avian_gnu_classpath_VMSystemProperties_preInit; add empty Avian_java_lang_VMClassLoader_resolveClass implementation 2009-08-12 19:37:29 -06:00
Joel Dice
61cb8b3deb handle zero-length lookup tables in lookupswitch 2009-08-12 19:32:12 -06:00
Joel Dice
bc884b4669 Merge branch 'master' of oss.readytalk.com:/var/local/git/avian 2009-08-11 18:50:04 -06:00
Joel Dice
22ae42b712 look for a native method implementation using the fast calling convention (Avian_*) before one using the standard convention (Java_*) to avoid false positives late in the search path 2009-08-11 18:49:58 -06:00
Josh warner
78ea4d20e3 added loneMatch to improve register allocation 2009-08-11 13:46:51 -06:00
Josh warner
f29199a285 fixed several operand type errors that appeared on 64-bit platforms 2009-08-11 13:30:31 -06:00
Josh warner
711680a183 fixed powerpc compile errors 2009-08-11 13:29:00 -06:00
Josh warner
cd59222f53 fixed propegation of result sizes 2009-08-11 13:27:25 -06:00
Josh warner
32167168f8 fixed incorrect opSize bug for 64-bit platforms 2009-08-11 13:25:22 -06:00
Joel Dice
535a152e86 Merge branch 'master' of ../avian-old 2009-08-11 12:42:14 -06:00
Joel Dice
935329d7cf fix 32-bit shift case in unsignedShiftRightC 2009-08-11 12:36:25 -06:00
Joel Dice
db58097165 re-enable finalization 2009-08-11 10:04:41 -06:00
Joel Dice
24abc8acfe Merge branch 'master' of ../avian 2009-08-11 09:43:29 -06:00
Joel Dice
83b0a217e0 disable debug trap 2009-08-11 09:40:54 -06:00
Joel Dice
a8b333fdc6 define LD and LX unconditionally for __x86_64__ since they should be the same for Windows and POSIX 2009-08-11 09:31:00 -06:00
Joel Dice
8ac06d8a47 initialize classloader map if necessary in Avian_java_lang_ClassLoader_defineClass 2009-08-11 09:25:35 -06:00