Commit Graph

3 Commits

Author SHA1 Message Date
Alexander Markov c53952a46d [vm/kernel/bytecode] Generate bytecode for assertions, bool checks
In addition:

* Use InstanceCall1 instead of InstanceCall2 for now as InstanceCall2
  requires ICData objects with 2 checked arguments.

* Remove try-catch around bytecode generation as all operations are
  supported and silent fallback is no longer needed.

Change-Id: Iead5a4997450cc47ef3bb3221647e733b7a72b62
Reviewed-on: https://dart-review.googlesource.com/62443
Reviewed-by: Régis Crelier <regis@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2018-06-26 23:07:18 +00:00
Alexander Markov 6202749429 [vm/kernel/bytecode] Support try-catch-finally in bytecode generator
Change-Id: I2882546741b1dd8f6e03a21d85b5487fb754b742
Reviewed-on: https://dart-review.googlesource.com/55324
Reviewed-by: Régis Crelier <regis@google.com>
Reviewed-by: Zach Anderson <zra@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2018-05-20 19:52:07 +00:00
Alexander Markov ac7ca17652 [vm/kernel] Experimental: generate DBC-like bytecode in kernel binaries
To enable bytecode generation, toggle kEnableKernelBytecode flag at
the beginning of pkg/vm/lib/bytecode/gen_bytecode.dart.
This will also enable generation of bytecode in platform dill files.

Also, bytecode generation can be enabled using --gen-bytecode option of
pkg/vm/tool/gen_kernel.

In kernel binaries, the generated bytecode and constant pool are
placed into 'vm.bytecode' metadata attached to members.
pkg/vm/tool/dump_kernel tool can be used to disassemble
bytecode and print constant pool.

Differences between generated bytecode and original DBC are
described in pkg/vm/lib/bytecode/dbc.dart.

Format of constant pool is described in
pkg/vm/lib/bytecode/constant_pool.dart.

Currently, only a small subset of Dart language is supported.
Bytecode generator will not emit vm.bytecode metadata for a
member if its body has an unsupported operation.


Change-Id: I27d9a361dc779ea115e5676508ee757c1754e05d
Reviewed-on: https://dart-review.googlesource.com/49600
Reviewed-by: Samir Jindel <sjindel@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Zach Anderson <zra@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2018-04-23 03:42:52 +00:00