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424 Commits

Author SHA1 Message Date
Joel Dice
d12b441aa1 restore state from subroutine after jsr to avoid later confusion determining basic block boundaries 2009-07-20 08:26:01 -06:00
Joel Dice
5f6f8039e6 various bugfixes in subroutine stack mapping code 2009-07-13 17:49:15 -06:00
Joel Dice
e72ff8db0b Merge branch 'master' into gnu 
Conflicts:

	src/compile.cpp
 2009-07-11 12:11:59 -06:00
Joel Dice
ab5ba9c954 Merge branch 'master' of oss.readytalk.com:/var/local/git/avian 2009-07-10 09:57:29 -06:00
Joel Dice
22852dcffa fix GC safety bug when walking stack 2009-07-10 08:33:38 -06:00
Joel Dice
c22b4b4e79 various subroutine handling bugfixes 2009-07-08 08:18:40 -06:00
Joel Dice
dae7b68d5c avoid indexing past the end of the array in makeSimpleFrameMapTable 2009-06-30 17:35:28 -06:00
Joel Dice
b308354a3a handle subroutines properly when generating frame maps (initial sketch) 2009-06-26 15:36:04 -06:00
Joel Dice
7ed14948b9 re-initialize frame maps for exception handlers on every iteration of the frame map calculation loop 
This fixes incorrect frame map calcuation which may lead to crashes
during garbage collection from an exception handler.
 2009-06-16 13:41:31 -06:00
Joel Dice
e1c7504eda attempt to flush the compile log (if any) before crashing in SegFaultHandler::handle 2009-06-11 17:14:54 -06:00
Joel Dice
4a87d82d8e fix GC safety bug in MyProcessor::initVtable 2009-06-04 17:20:55 -06:00
Joel Dice
ba5105c374 throw NoSuchMethodError in resolveMethod if method not found 2009-06-02 18:55:12 -06:00
Joel Dice
11e61543a3 fix bootimage build 2009-05-31 21:16:58 -06:00
Joel Dice
b1d92fc6c2 fix compilation of synchronized methods which return values 2009-05-31 14:15:45 -06:00
Joel Dice
02fba10614 set DebugCompile to false 2009-05-28 19:56:15 -06:00
Joel Dice
14613193fa include return address size in frameSize passed to vmInvoke; fix printf warnings 2009-05-28 19:50:44 -06:00
Joel Dice
d99f8df6e6 several bugfixes for powerpc continuations 2009-05-28 18:56:05 -06:00
Joel Dice
2608a2ee43 progress towards powerpc continuation and tail call support 2009-05-26 19:02:39 -06:00
Joel Dice
31eb75a736 support tail calls and continuations as build options 2009-05-25 23:27:10 -06:00
Joel Dice
ea5fea4802 fix printf format for 64-bit build 2009-05-25 14:59:36 -06:00
Joel Dice
9837528a3e set Thread::continuation before calling jumpAndInvoke in Rewind case of callContinuation 2009-05-24 22:49:39 -06:00
Joel Dice
0a4e77ffa7 fix thinko in callContinuation 2009-05-24 22:36:16 -06:00
Joel Dice
92aea95b36 continuation bugfixes 2009-05-24 22:27:50 -06:00
Joel Dice
c2bd828cc1 call the right continuation in callContinuation 2009-05-24 18:58:45 -06:00
Joel Dice
af59c85deb various bugfixes 2009-05-24 18:22:36 -06:00
Joel Dice
364f31b785 finish initial sketch of dynamicWind implementation 2009-05-23 19:49:14 -06:00
Joel Dice
4305fdc7f3 begin dynamicWind implementation 2009-05-23 16:15:06 -06:00
Joel Dice
e165d5f3fd avoid uninitialized variable warnings in MyProcessor::callWithCurrentContinuation 2009-05-19 18:28:43 -06:00
Joel Dice
ecfecf2006 translate local indexes before passing to Frame.stored{Int,Long,Object} 2009-05-18 09:16:17 -06:00
Joel Dice
398dec58bb GC bugfixes 2009-05-17 17:43:48 -06:00
Joel Dice
195d95d809 continuation bugfixes 2009-05-16 18:39:08 -06:00
Joel Dice
8cb59c9d4c various bugfixes to get Continuations test working 2009-05-16 02:03:03 -06:00
Joel Dice
57cec2d068 various bugfixes 2009-05-14 20:08:01 -06:00
Joel Dice
3d1ef68001 various bugfixes 2009-05-12 12:16:55 -06:00
Joel Dice
66c4867f18 more work on continuation support 2009-05-05 18:29:05 -06:00
Joel Dice
eb3bd25aa1 code cleanup and build fixes 2009-05-04 19:04:17 -06:00
Joel Dice
0cd4eb2655 early sketch of continuation support 2009-05-03 14:57:11 -06:00
Joel Dice
90dcf084a2 protect object from GC in compileVirtualMethod2; condense frame GC root maps to minimum size needed 2009-04-27 14:46:43 +00:00
Joel Dice
50529969f9 fix code to visit GC roots on stack to be compatible with tail calls; avoid generating unreachable jumps 2009-04-26 19:53:42 -06:00
Joel Dice
299699f1ff fix stack unwinding for new calling convention (2nd try) 2009-04-26 16:06:15 -06:00
Joel Dice
03653d2dd8 fix stack unwinding and GC root scan for new calling convention 2009-04-26 15:55:35 -06:00
Joel Dice
64b529c915 avoid generating unreachable code after tail calls 2009-04-25 20:54:36 -06:00
Joel Dice
bf8fdb6316 visit MyProcessor::virtualThunks during GC 2009-04-25 20:24:04 -06:00
Joel Dice
0245a94ab8 generate code in ReturnEvent if and only if the event is preceded by at least one non-tail-call 2009-04-25 19:51:33 -06:00
Joel Dice
89221bfcfa fix handling of virtual calls to native methods 2009-04-25 17:52:08 -06:00
Joel Dice
141862470b fix stack pointer adjustment in invokeNative2; pad frame size using Architecture::frameFootprint in MyProcessor::invoke to conform to new calling convention 2009-04-25 17:33:42 -06:00
Joel Dice
1ed7c0d94c adapt native method call code to new calling convention 2009-04-25 11:49:56 -06:00
Joel Dice
3113ae74eb various bugfixes 2009-04-22 01:39:25 +00:00
Joel Dice
717f359666 implement "callee pops arguments" calling convention and refactor tail call code accordingly 2009-04-19 16:36:11 -06:00
Joel Dice
dba72409aa move use of SingleRead::successor; fix build errors 
We now use SingleRead::successor in pickTarget, where we use it to
determine the prefered target site for the successor without requiring
the target to conform to that preference.  The previous code made the
preference a hard requirement, which is not desirable or even possible
in general.
 2009-04-07 18:55:43 -06:00
Joel Dice
35d1c6e068 add SingleRead::successor; fix build errors 
The SingleRead::successor field is used (when non-null) to further
constrain the SiteMask in SingleRead::intersect based on reads of
successor values (as in the cases of moves and condensed-addressing
combine and translate instructions).
 2009-04-06 18:34:12 -06:00
Joel Dice
fea92ed995 more work on tail recursion 
We now create a unique thunk for each vtable position so as to avoid
relying on using the return address to determine what method is to be
compiled and invoked, since we will not have the correct return address
in the case of a tail call.  This required refactoring how executable
memory is allocated in order to keep AOT compilation working.  Also, we
must always use the same register to hold the class pointer when
compiling virtual calls, and ensure that the pointer stays there until
the call instruction is executed so we know where to find it in the
thunk.
 2009-04-05 15:42:10 -06:00
Joel Dice
5e740170f2 initial sketch of tail call optimization (non-virtual calls only, so far) 2009-03-31 14:15:08 -06:00
Joel Dice
538e23c642 fix order-of-operations bugs in compile.cpp which led to creation of incorrect stack maps 2009-03-18 16:24:13 -06:00
Joel Dice
d1018bf078 update copyright years 2009-03-15 12:02:36 -06:00
Joel Dice
49cd2dd9bf fix powerpc bootimage build (second try) 2009-03-10 19:08:16 -06:00
Joel Dice
6c271ac994 fix powerpc bootimage build 2009-03-09 18:52:09 -06:00
Joel Dice
89a2739165 sync instruction cache after compiling a method 2009-03-09 08:26:23 -06:00
Joel Dice
8b0f7d790f don't assume sizeof(bool) == 8 2009-03-07 18:23:28 -07:00
Joel Dice
33ba8d084d avoid unecessary subtraction in tableswitch 2009-03-06 17:11:14 -07:00
Joel Dice
7388da6282 fix endianness issues when loading values smaller than BytesPerWord from the stack 2009-03-06 10:56:11 -07:00
Joel Dice
6e6035505c zero heap space ahead of time when allocating raw storage and garbage collecting, not when allocating individual objects 
This helps us support the Java Memory Model without adding a memory
barrier to every object allocation.  It's also potentially more
efficient, since we zero out each heap segment all at once instead of
bit-by-bit with each object allocation.
 2009-03-03 20:05:48 -07:00
Joel Dice
8410e1d683 ensure reads and writes of volatile 64-bit fields are atomic 2009-03-03 18:02:11 -07:00
Joel Dice
2ca8132d97 implement support for volatile fields 2009-03-02 20:18:15 -07:00
Joel Dice
8c9d625f8f add memory barriers where appropriate in compile.cpp 2009-03-02 18:40:06 -07:00
Joel Dice
1192ef939e fix stack offset calculation for multianewarray on x86 2009-03-01 15:39:52 -07:00
Joel Dice
412348d938 fix stack offset calulation for multianewarray 2009-03-01 10:49:37 -07:00
Joel Dice
d6bd2e7308 make Compiler::store take both a source size and a destination size to avoid endianness issues; change order of Compiler::load parameters to match 2009-02-28 16:17:24 -07:00
Joel Dice
60c4bede39 fix undefined-order-of-operations bug in Frame::dupped 2009-02-28 14:41:05 -07:00
Joel Dice
3e6c30a4b5 always return an 8-byte value (or void) from native functions called from Java 
This is important on the 32-bit OS X PowerPC ABI, since the location
of the low 32-bits of a return value change depending on whether the
entire value is 64-bits or not.
 2009-02-28 14:20:43 -07:00
Joel Dice
f22ce3f996 fix parameter offset calculation in invokeNative2 2009-02-28 12:33:26 -07:00
Joel Dice
4999c08e32 fix stack offset calculation for powerpc 
This may break x86, in which case we'll iterate until they both work.
 2009-02-26 18:54:25 -07:00
Joel Dice
d7d3dd5055 various bugfixes, especially concerning frame allocation and offset calculation 2009-02-25 20:49:42 -07:00
Joel Dice
324caaf98b add size parameter to Assembler::returnLow since the register used depends on the return value size on PowerPC 2009-02-17 18:19:31 -07:00
Joel Dice
c88e3fa230 ensure stack alignment in compile-x86.S and update vmInvoke to accept frame size parameter 2009-02-16 19:49:28 -07:00
Joel Dice
4b2d74f656 fix merge conflict bug preventing the bootimage code from seeing, marking, and fixing jsr addresses 2009-02-14 14:23:23 -07:00
Joel Dice
f58f7b3bdf fix bugs pertaining to tracking reads and and value sites across subroutines (jsr and ret instructions) 2009-02-14 13:26:39 -07:00
Joel Dice
9b0d6854ec fix merge conflicts 2009-02-09 16:22:51 -07:00
Joel Dice
a1ec71423e Merge branch 'master' into powerpc 
Conflicts:

	makefile
	src/assembler.h
	src/binaryToMacho.cpp
	src/compile.cpp
	src/compiler.cpp
	src/x86.cpp
 2009-02-09 16:22:01 -07:00
Joel Dice
1c3504b62a fix various stack bugs 2009-01-29 18:36:19 -07:00
Joel Dice
54ad7c4e98 tolerate ConstantValue attributes on non-static fields, since the compiler ensures that they are initialized in any constructors for that class (i.e., the VM does not need to do anything special to initialize them) 2009-01-10 12:25:52 -07:00
Joel Dice
9495d03dc6 explicitly load jump target in tableswitch to avoid retaining stale memory sites 2009-01-04 15:56:47 -07:00
Joel Dice
c678fb30a4 snapshot 2008-12-24 13:35:43 -07:00
Joel Dice
c9bec0ce96 only steal sites recursively when all else fails in trySteal 2008-12-21 18:14:20 -07:00
Joel Dice
055ec4dd9f various fixes and cleanups concerning 64-bit values on 32-bit systems 2008-12-21 14:41:56 -07:00
Joel Dice
5e727c8c5d throw an error if a volatile field is encountered, since we don't yet support them properly 2008-12-18 16:32:18 -07:00
Joel Dice
4098368cb9 fix non-debug build of compile.cpp 2008-12-02 19:39:56 -07:00
Joel Dice
d4363d250a mark and fix up absolute addresses in boot image code 2008-12-02 09:45:20 -07:00
Joel Dice
25ade1484a lots of bugfixes and refactoring 2008-12-01 19:38:00 -07:00
Joel Dice
eaf30eb909 fix static class initialization when using a boot image 2008-11-29 21:58:09 -07:00
Joel Dice
e44f326377 various bugfixes 2008-11-29 18:39:42 -07:00
Joel Dice
0ec5ad3701 update makefile to optionally build and use a boot image; various bugfixes 2008-11-29 16:08:14 -07:00
Joel Dice
b8056d905c fix bugs in allocating and populating method object pools 2008-11-28 18:23:01 -07:00
Joel Dice
4d1af63ed2 initial work on booting from boot image 2008-11-28 15:02:45 -07:00
Joel Dice
a8a030140c various bugfixes 2008-11-27 21:44:04 -07:00
Joel Dice
f698c24ea6 delay resolving method call offsets until all methods have been compiled when creating a boot image 2008-11-27 13:59:40 -07:00
Joel Dice
61ecb56e21 Merge branch 'master' of oss:/var/local/git/avian into powerpc 2008-11-25 16:19:21 -07:00
Joel Dice
fdb9c05ac6 avoid uninitialized value warnings from valgrind when DebugFrameMaps is true 2008-11-25 16:01:30 -07:00
Joel Dice
eea2225176 save locals to memory before executing any instruction which might trigger an exception if that instruction lies within an exception handler 2008-11-25 10:34:48 -07:00
Joel Dice
035aa0ecd4 Merge branch 'master' of oss.readytalk.com:/var/local/git/avian into bootimage 
Conflicts:

	src/compile.cpp
	src/machine.h
	src/util.h
 2008-11-23 17:02:34 -07:00