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matching StaticConfig at runtime; Fix PPC (Bug 1056) and MIPSLE (Bug 1014) issues.
Currently the StaticConfig is being queried
via the key[OSType, CPUType ..]
as pre-determined by Java properties or the ELF parser.
This adds complication to maintain different platforms
and the key query might not even be sufficient.
The MachineDescriptor's StaticConfig only purpose shall be
to speed-up native data size and offset/alignment retrieval.
This is done by using the StaticConfig index within
all StaticConfig[]s as a lookup-index for the precomputed
struct's size and offset tables.
+++
Solution:
Rename: MachineDescriptor -> MachineDataInfo
Rename: MachineDescriptorRuntime -> MachineDataInfoRuntime
After having defined os.and.arch (OSType, CPUType and ABIType)
w/ the optional help of the now self containing ELF Reader (Bug 1125),
the native gluegen-rt library gets loaded enabling JNI methods.
It is satisfactory to retrieve MachineDataInfo
at runtime w/ JNI and find the matching/compatible StaticConfig.
Only in case none is found, the program needs to abort.
Otherwise the found MachineDataInfo.StaticConfig and MachineDataInfo
are stored for further use (see above).
This removes above complication and key to StaticConfig mapping.
New platforms simply need to add a new unique entry into the
StaticConfig[] table.
++
Also fixes Bug 1056 (PPC), thanks to tmancill [@] debian [.] org,
and Bug 1014 (MIPSLE), thanks to Dejan Latinovic.
Parts of the patch for Bug 1014 from Dejan Latinovic are included.
also solved by this change set.
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- android minor build fix
- started dex'ing (gluegen-rt.apk, more to come for full junit tests)
- android remote dalvikvm launch works (crosstest-java-android-armv7-rel.sh)
- android detection, incl version (reflection)
- Platform:
- Add JAVA_VM_NAME and JAVA_VM_RUNIME
- OSType maybe ANDROID, where the OS name (String) is Linux ! (ok ?)
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Platform:
- enum CPUFamily is part of CPUType
- DALVIK -> ANDROID
- ARM: ARM + ARMv[567]
MachineDescription
- self contained
- static size/alignment Config (enum) for unix32, unix64, win32, win64 and armeabi
- add 'long double'
- Removed MachineDescription32Bit, MachineDescription64Bit
- createStatic(..) uses OS/CPU to fetch best match if not at runtime
FIXES: JavaEmitter's struct-emit: Proper 32/64 struct sizes
TODO: StructAccessor's mapping to <Type>Buffer w/ index os sizeof(<Type>)
doesn't work, since offset may not be multiple of sizeof(<Type>)!
i.e.
typedef struct {
int8_t bits1; // +1 - 0
// +3 (p32)
int32_t id; // +4 - 4
int8_t bits2; // +1 - 8
// +3 (p32) -
int64_t long0; // +8 - 12
so "longBuffer.get(<type-sized index>)" is invalid,
but "byteBuffer.getLong(<byte index>)" must be done.
The actual impl. doesn't matter, hence dropping the other nio type mappings is good.
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- SizeThunk
- rename: compute -> computeSize
- add: computeAlignment
- merge types: char -> int8, short -> int16
- 'int' and 'long' may differ
-
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- Preparation.
Currently GlueGen fails for type long (size) and some alignments (see package.html).
- The size and alignment values shall be queried at runtime.
- Compound alignment needs to follow the described natural alignment (also @runtime).
-
- Build
- add Linux Arm7 (EABI)
- junit test
- added compound/struct tests, pointing out the shortcomings of current impl.
- package.html
- Added alignment documentation
- remove intptr.cfg
- add GluGen types int8_t, int16_t, uint8_t, uint16_t
- move MachineDescription* into runtime
- Platform
- has runtime MachineDescription
- moved size, .. to MachineDescription
- use enums for OSType, CPUArch and CPUType defined by os.name/os.arch,
triggering exception if os/arch is not supported.
This avoids Java String comparison and conscious os/arch detection.
- MachineDescription:
- compile time instances MachineDescription32Bits, MachineDescription64Bits
- runtime queried instance MachineDescriptionRuntime
- correct size, alignment, page size, ..
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