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diff --git i/src/engines/ptrace.cc w/src/engines/ptrace.cc
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index 59b615f..8f17fec 100644
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--- i/src/engines/ptrace.cc
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+++ w/src/engines/ptrace.cc
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@@ -21,6 +21,7 @@
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 #if defined(__aarch64__)
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 #  include <sys/uio.h>
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+#  include <elf.h>
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 #endif
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 #include <map>