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0db04e0b8f
wasm-micro-runtime/samples/basic
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Wenyong Huang 0db04e0b8f
Fix some compile issues of samples (#690) 
Fix compile errors of workloads due to emsdk version upgrade,
enable BUILD_TARGET auto set for some samples,
and call wasm_runtime_init_thread_env() for in thread routine which
was created by pthread_create but not runtime in spawn-thread sample.

Signed-off-by: Wenyong Huang <wenyong.huang@intel.com>
2021-08-06 18:12:21 +08:00
..
src Fix some compile issues of samples (#690) 2021-08-06 18:12:21 +08:00
wasm-apps Fix function type not set issue of aot_call_indirect (#229) 2020-04-07 11:04:46 +08:00
.gitignore Fix function type not set issue of aot_call_indirect (#229) 2020-04-07 11:04:46 +08:00
build.sh Update wasm app build scripts for wasi-sdk-12 and refine interpreter (#481) 2020-12-28 10:46:31 +08:00
CMakeLists.txt Fix some compile issues of samples (#690) 2021-08-06 18:12:21 +08:00
README.md fix one typo in samples/basic.README.md (#274) 2020-06-03 15:17:22 +08:00
run.sh Add a basic sample to show how native runtime invokes wasm apps in WAMR and how wasm apps invoke native functions. (#207) 2020-03-20 16:39:13 +08:00

README.md

The "basic" sample project

This sample demonstrates a few basic usages of embedding WAMR:

  • initialize runtime
  • load wasm app and instantiate the module
  • call wasm function and pass arguments
  • export native functions to the WASM apps
  • wasm function calls native function and pass arguments
  • deinitialize runtime

Build this sample

Execute the build.sh script then all binaries including wasm application files would be generated in 'out' directory.

$ ./build.sh

Run the sample

Enter the out directory.

$ cd ./out/
$
$ ./basic -f wasm-apps/testapp.wasm
calling into WASM function: generate_float
Native finished calling wasm function generate_float(), returned a float value: 102009.921875f
calling into WASM function: float_to_string
calling into native function: intToStr
calling into native function: get_pow
calling into native function: intToStr
Native finished calling wasm function: float_to_string, returned a formatted string: 102009.921

Or execute the run.sh script in samples/basic folder.

$ ./run.sh
calling into WASM function: generate_float
Native finished calling wasm function generate_float(), returned a float value: 102009.921875f
calling into WASM function: float_to_string
calling into native function: intToStr
calling into native function: get_pow
calling into native function: intToStr
Native finished calling wasm function: float_to_string, returned a formatted  string: 102009.921