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purego.Dlopen fails on Galaxy A02s #262

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hajimehoshi opened this issue Aug 1, 2024 · 2 comments · Fixed by #263
Closed
1 of 6 tasks

purego.Dlopen fails on Galaxy A02s #262

hajimehoshi opened this issue Aug 1, 2024 · 2 comments · Fixed by #263
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@hajimehoshi
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PureGo Version

v0.8.0-alpha.3

Operating System

  • Windows
  • macOS
  • Linux
  • FreeBSD
  • Android
  • iOS

Go Version (go version)

go version go1.22.5 darwin/arm64

What steps will reproduce the problem?

Call purego.Dlopen("libGLESv2.so", purego.RTLD_LAZY|purego.RTLD_GLOBAL) on Android

What is the expected result?

An so file is loaded

What happens instead?

Error:

invalid flags to dlopen: 101

Anything else you feel useful to add?

Galaxy A02s has 32bits Android OS though the CPU is 64bit. Also, Android has different definitions for RTLD_* for 32bits.

Even though I used C's RTLD_*, another crash happened. I am not sure when this happened. Maybe loading a symbol?

See also hajimehoshi/ebiten#3052
@hajimehoshi hajimehoshi added the bug Something isn't working label Aug 1, 2024
@TotallyGamerJet
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This is such a strange case where it's a 64Bit CPU but a 32bit OS.

@hajimehoshi
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Indeed...

@TotallyGamerJet TotallyGamerJet mentioned this issue Aug 2, 2024
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hajimehoshi added a commit to hajimehoshi/ebiten that referenced this issue Aug 5, 2024
@hajimehoshi
internal/graphicsdriver/opengl/gl: use PureGo version for Android again
2a34d1d 
This is basically a revert for 297efea.
This updates PureGo for the Android issue.

Updates #3052
Updates ebitengine/purego#262
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Call C dlfcn functions directly on android TotallyGamerJet/purego
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@hajimehoshi @TotallyGamerJet