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gh-128627: Use __builtin_wasm_test_function_pointer_signature for Emscripten trampoline (#137470)

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With https://github.com/llvm/llvm-project/pull/150201 being merged, there is 
now a better way to generate the Emscripten trampoline, instead of including 
hand-generated binary WASM content. Requires Emscripten 4.0.12.
This commit is contained in:
Hood Chatham
2025-09-17 16:33:55 +02:00
committed by GitHub
parent 81c975bcfc
commit 2629ee4eb0
9 changed files with 129 additions and 201 deletions
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4
configure.ac
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@@ -2343,7 +2343,7 @@ AS_CASE([$ac_sys_system],
dnl Include file system support
AS_VAR_APPEND([LINKFORSHARED], [" -sFORCE_FILESYSTEM -lidbfs.js -lnodefs.js -lproxyfs.js -lworkerfs.js"])
AS_VAR_APPEND([LINKFORSHARED], [" -sEXPORTED_RUNTIME_METHODS=FS,callMain,ENV,HEAPU32,TTY"])
AS_VAR_APPEND([LINKFORSHARED], [" -sEXPORTED_FUNCTIONS=_main,_Py_Version,__PyRuntime,__PyEM_EMSCRIPTEN_COUNT_ARGS_OFFSET,_PyGILState_GetThisThreadState,__Py_DumpTraceback"])
AS_VAR_APPEND([LINKFORSHARED], [" -sEXPORTED_FUNCTIONS=_main,_Py_Version,__PyRuntime,_PyGILState_GetThisThreadState,__Py_DumpTraceback"])
AS_VAR_APPEND([LINKFORSHARED], [" -sSTACK_SIZE=5MB"])
dnl Avoid bugs in JS fallback string decoding path
AS_VAR_APPEND([LINKFORSHARED], [" -sTEXTDECODER=2"])
@@ -5146,7 +5146,7 @@ PLATFORM_OBJS=
AS_CASE([$ac_sys_system],
[Emscripten], [
AS_VAR_APPEND([PLATFORM_OBJS], [' Python/emscripten_signal.o Python/emscripten_trampoline.o Python/emscripten_syscalls.o'])
AS_VAR_APPEND([PLATFORM_OBJS], [' Python/emscripten_signal.o Python/emscripten_trampoline.o Python/emscripten_trampoline_wasm.o Python/emscripten_syscalls.o'])
AS_VAR_APPEND([PLATFORM_HEADERS], [' $(srcdir)/Include/internal/pycore_emscripten_signal.h $(srcdir)/Include/internal/pycore_emscripten_trampoline.h'])
],
)