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Forward log and log level to custom bh_log callback (#3070)

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Follow-up on #2907. The log level is needed in the host embedder to
better integrate with the embedder's logger.

Allow the developer to customize his bh_log callback with
`cmake -DWAMR_BH_LOG=<log_callback>`,
and update sample/basic to show the usage.
This commit is contained in:
Enrico Loparco
2024-01-24 06:05:07 +01:00
committed by GitHub
parent 1505e61704
commit 3fcd79867d
6 changed files with 50 additions and 3 deletions
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12
doc/build_wamr.md
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@ -190,7 +190,17 @@ Currently we only profile the memory consumption of module, module_instance and
> }
> ```
>
> and then use `cmake -DWAMR_BH_VPRINTF=my_vprintf ..` to pass the callback function, or add `BH_VPRINTF=my_vprintf` macro for the compiler, e.g. add line `add_defintions(-DBH_VPRINTF=my_vprintf)` in CMakeListst.txt.
> and then use `cmake -DWAMR_BH_VPRINTF=my_vprintf ..` to pass the callback function, or add `BH_VPRINTF=my_vprintf` macro for the compiler, e.g. add line `add_defintions(-DBH_VPRINTF=my_vprintf)` in CMakeListst.txt. See [basic sample](../samples/basic/src/main.c) for a usage example.
#### **WAMR_BH_LOG**=<log_callback>, default to disable if not set
> Note: if the log_callback function is provided by the developer, WAMR logs are redirected to such callback. For example:
> ```C
> void my_log(uint32 log_level, const char *file, int line, const char *fmt, ...)
> {
> /* Usage of custom logger */
> }
> ```
> See [basic sample](../samples/basic/src/main.c) for a usage example.
#### **Enable reference types feature**
- **WAMR_BUILD_REF_TYPES**=1/0, default to disable if not set