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all: move -panic=trap support to the compiler/runtime #4195
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Support for `-panic=trap` was previously a pass in the optimization pipeline. This change moves it to the compiler and runtime, which in my opinion is a much better place. As a side effect, it also fixes #4161 by trapping inside runtime.runtimePanicAt and not just runtime.runtimePanic. This change also adds a test for the list of imported functions. This is a more generic test where it's easy to add more tests for WebAssembly file properties, such as exported functions.
Size difference with the dev branch: Binary size differencenot the same command! tinygo build -size short -o ./build/test.hex -target=feather-rp2040 ./examples/adafruit4650 go: downloading tinygo.org/x/tinyfont v0.3.0 not the same command! tinygo build -size short -o ./build/test.hex -target=nano-rp2040 -stack-size 8kb ./examples/net/websocket/dial/ go: downloading golang.org/x/net v0.7.0 not the same command! tinygo build -size short -o ./build/test.hex -target=nano-rp2040 -stack-size 8kb ./examples/net/mqttclient/natiu/ go: downloading github.com/soypat/natiu-mqtt v0.5.1 not the same command! tinygo build -size short -o ./build/test.hex -target=wioterminal -stack-size 8kb ./examples/net/mqttclient/paho/ go: downloading github.com/eclipse/paho.mqtt.golang v1.2.0 flash ram before after diff before after diff 16744 16744 0 0.00% 4308 4308 0 0.00% tinygo build -size short -o ./build/test.hex -target=feather-rp2040 ./examples/adafruit4650 60912 60912 0 0.00% 6176 6176 0 0.00% tinygo build 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short -o ./build/test.hex -target=wioterminal -stack-size 8kb ./examples/net/webclient/ 277244 277244 0 0.00% 17736 17736 0 0.00% tinygo build -size short -o ./build/test.hex -target=wioterminal -stack-size 8kb ./examples/net/webserver/ 278108 278108 0 0.00% 16628 16628 0 0.00% tinygo build -size short -o ./build/test.hex -target=wioterminal -stack-size 8kb ./examples/net/mqttclient/paho/ 5038752 5038752 0 0.00% 752652 752652 0 0.00% |
Thanks for the fix here @aykevl now merging. |
Oops I forgot to change this one to the dev branch! It's now merged in the release branch. |
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Support for
-panic=trap
was previously a pass in the optimization pipeline. This change moves it to the compiler and runtime, which in my opinion is a much better place.As a side effect, it also fixes #4161 by trapping inside runtime.runtimePanicAt and not just runtime.runtimePanic. This bug was probably introduced in #3673.
This change also adds a test for the list of imported functions. This is a more generic test where it's easy to add more tests for WebAssembly file properties, such as exported functions.