0e2382a959
This syscall doesn't need allocating stack or TLS and it's expected from the application to do that instead. E.g. WASI-libc already does this for `pthread_create`. Also fix some of the examples to allocate memory for stack and not use stack before the stack pointer is set to a correct value.
22 lines
586 B
ArmAsm
22 lines
586 B
ArmAsm
# A slightly modified copy of the wasi-libc implementation
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# https://github.com/WebAssembly/wasi-libc/pull/376/
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.globaltype __stack_pointer, i32
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.functype __wasi_thread_start_C (i32, i32) -> ()
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.globl wasi_thread_start
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wasi_thread_start:
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.functype wasi_thread_start (i32, i32) -> ()
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# Set up the minimum C environment.
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# Note: offsetof(start_arg, stack) == 0
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local.get 1 # start_arg
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i32.load 0 # stack
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global.set __stack_pointer
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# Make the C function do the rest of work.
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local.get 0 # tid
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local.get 1 # start_arg
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call __wasi_thread_start_C
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end_function |