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# Test that wasm-binaryen-finalize --check-stack-overflow correctly
# inserts stack check handlers.
.globl stackRestore
.globl stackAlloc
.globaltype __stack_pointer, i32
stackRestore:
.functype stackRestore(i32) -> ()
local.get 0
global.set __stack_pointer
end_function
stackAlloc:
.functype stackAlloc(i32) -> (i32)
.local i32, i32
global.get __stack_pointer
# Get arg 0 -> number of bytes to allocate
local.get 0
# Stack grows down. Subtract arg0 from __stack_pointer
i32.sub
# Align result by anding with ~15
i32.const 0xfffffff0
i32.and
local.tee 1
global.set __stack_pointer
local.get 1
end_function
.globl main
main:
.functype main () -> ()
end_function
.export_name stackAlloc, stackAlloc
.export_name stackSave, stackSave
.export_name stackRestore, stackRestore
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