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Enable lazy Orc JIT feature (#732)

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The feature is disabled by default, to enable it, please use
`cmake -DWAMR_BUILD_JIT=1 -DWAMR_BUILD_LAZY_JIT=1`
to build iwasm.
This commit is contained in:
Wenyong Huang
2021-09-07 11:39:57 +08:00
committed by GitHub
parent 7e60b8608e
commit 4b0d6083a3
9 changed files with 535 additions and 6 deletions
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doc/build_wamr.md
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@ -41,6 +41,7 @@ cmake -DWAMR_BUILD_PLATFORM=linux -DWAMR_BUILD_TARGET=ARM
- **WAMR_BUILD_AOT**=1/0, default to enable if not set
- **WAMR_BUILD_JIT**=1/0, default to disable if not set
- **WAMR_BUILD_LAZY_JIT**=1/0, default to disable if not set
#### **Configure LIBC**
@ -198,8 +199,8 @@ make
```
By default in Linux, the interpreter, AOT and WASI are enabled, and JIT is disabled. And the build target is
set to X86_64 or X86_32 depending on the platform's bitwidth.
By default in Linux, the interpreter, AOT and WASI are enabled, and JIT and LazyJIT are disabled.
And the build target is set to X86_64 or X86_32 depending on the platform's bitwidth.
To enable WASM JIT, firstly we should build LLVM:
@ -217,6 +218,11 @@ cmake .. -DWAMR_BUILD_JIT=1
make
```
Moreover, pass arguments `-DWAMR_BUILD_JIT=1` and `-DWAMR_BUILD_LAZY_JIT=1` together to cmake to enable WASM Lazy JIT.
If Lazy JIT is enabled, then jit function bodies in the module will not be compiled until they are first called,
so compile time reduces significantly.
Linux SGX (Intel Software Guard Extension)
-------------------------