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wasm: fix symbol table index for archives #4188

Merged
merged 1 commit into from
Mar 18, 2024
Merged

wasm: fix symbol table index for archives #4188

merged 1 commit into from
Mar 18, 2024

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aykevl
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@aykevl aykevl commented Mar 12, 2024

The symbol table was generated incorrectly. The correct way is to use the custom linking WebAssembly section, which I implemented in go-wasm for this purpose (see aykevl/go-wasm@5027515).

This fixes #4114 and is a prerequisite for #4176.

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github-actions bot commented Mar 12, 2024

Size difference with the dev branch:

Binary size difference
 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
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  10440   10440      0   0.00%    4740    4740      0   0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/hd44780i2c/main.go
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  75108   75108      0   0.00%    7460    7460      0   0.00% tinygo build -size short -o ./build/test.hex -target=p1am-100 ./examples/p1am/main.go
  12124   12124      0   0.00%    3336    3336      0   0.00% tinygo build -size short -o ./build/test.hex -target=pico ./examples/pca9685/main.go
   6068    6068      0   0.00%    3272    3272      0   0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/pcd8544/setbuffer/main.go
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   6612    6612      0   0.00%    2264    2264      0   0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/st7735/main.go
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  17044   17044      0   0.00%    4732    4732      0   0.00% tinygo build -size short -o ./build/test.hex -target=circuitplay-express ./examples/thermistor/main.go
  10292   10292      0   0.00%    4516    4516      0   0.00% tinygo build -size short -o ./build/test.hex -target=circuitplay-bluefruit ./examples/tone
   9972    9972      0   0.00%    4732    4732      0   0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/tm1637/main.go
   9396    9396      0   0.00%    6772    6772      0   0.00% tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/touch/resistive/fourwire/main.go
  12468   12468      0   0.00%    6984    6984      0   0.00% tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/touch/resistive/pyportal_touchpaint/main.go
  15708   15708      0   0.00%    4740    4740      0   0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/vl53l1x/main.go
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 321260  321260      0   0.00%   15260   15260      0   0.00% tinygo build -size short -o ./build/test.hex -target=matrixportal-m4 -stack-size 8kb ./examples/net/webstatic/
 108264  108264      0   0.00%    7244    7244      0   0.00% tinygo build -size short -o ./build/test.hex -target=arduino-mkrwifi1010 -stack-size 8kb ./examples/net/tlsclient/
 151456  151456      0   0.00%    6176    6176      0   0.00% tinygo build -size short -o ./build/test.hex -target=nano-rp2040 -stack-size 8kb ./examples/net/mqttclient/natiu/
 112764  112764      0   0.00%   12596   12596      0   0.00% tinygo build -size short -o ./build/test.hex -target=wioterminal -stack-size 8kb ./examples/net/webclient/
 277164  277164      0   0.00%   17728   17728      0   0.00% tinygo build -size short -o ./build/test.hex -target=wioterminal -stack-size 8kb ./examples/net/webserver/
 278076  278076      0   0.00%   16620   16620      0   0.00% tinygo build -size short -o ./build/test.hex -target=wioterminal -stack-size 8kb ./examples/net/mqttclient/paho/
5038496 5038496      0   0.00%  752612  752612      0   0.00%

The symbol table was generated incorrectly. The correct way is to use
the custom linking WebAssembly section, which I implemented in go-wasm
for this purpose.

This fixes #4114 and is a
prerequisite for #4176.
@aykevl
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aykevl commented Mar 13, 2024

Made a small fix so that it works correctly with #4176.

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@deadprogram deadprogram left a comment

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Thanks for the fix @aykevl now merging.

@deadprogram deadprogram merged commit b375550 into dev Mar 18, 2024
16 of 25 checks passed
@deadprogram deadprogram deleted the wasm-fix-ar branch March 18, 2024 19:53
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2 participants