2021-01-22 09:29:21 +00:00
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#![no_main]
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#![no_std]
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use cortex_m::asm;
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use cortex_m_rt::entry;
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use panic_log as _; // panic handler
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#[entry]
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fn main() -> ! {
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// board initialization
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dk::init().unwrap();
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2021-01-22 11:40:17 +00:00
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log::info!("provoking stack overflow...");
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spam();
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2021-01-22 09:29:21 +00:00
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loop {
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asm::bkpt();
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}
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}
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#[inline(never)]
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2021-01-22 11:40:17 +00:00
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fn spam() {
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2021-01-22 14:21:47 +00:00
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// allocate and initialize 4 kilobytes of stack memory to provoke stack overflow
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2021-01-22 14:01:18 +00:00
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let use_stack = [0xAA_u32; 1024];
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2021-01-22 09:29:21 +00:00
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2021-01-22 14:18:18 +00:00
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log::info!(
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"address of current `use_stack`: {:?}",
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&use_stack as *const u32
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);
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2021-01-22 11:40:17 +00:00
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spam(); // infinite recursion
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2021-01-22 09:29:21 +00:00
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}
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