зеркало из https://github.com/github/ruby.git
28 строки
829 B
ArmAsm
28 строки
829 B
ArmAsm
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# extern int _rb_wasm_setjmp_internal(rb_wasm_jmp_buf *env);
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.functype _rb_wasm_setjmp_internal (i32) -> (i32)
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# extern int __stack_pointer;
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.globaltype __stack_pointer, i32
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# A wrapper of _rb_wasm_setjmp_internal to save and restore stack pointer
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# This cannot be implemented in C because there is no way to manipulate stack pointer
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# without C-epilogue.
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# extern int _rb_wasm_setjmp(rb_wasm_jmp_buf *env);
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.section .text._rb_wasm_setjmp,"",@
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.globl _rb_wasm_setjmp
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.type _rb_wasm_setjmp,@function
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_rb_wasm_setjmp:
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.functype _rb_wasm_setjmp (i32) -> (i32)
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.local i32, i32
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# save sp (this local is stored in asyncify stack and restored when rewinding)
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global.get __stack_pointer
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local.set 1
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local.get 0
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call _rb_wasm_setjmp_internal
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# restore sp
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local.get 1
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global.set __stack_pointer
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end_function
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