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25 lines
487 B
Bash
Executable File
25 lines
487 B
Bash
Executable File
#!/bin/bash
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. $(dirname $0)/common.inc
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cat <<EOF | $CC -c -o $t/a.o -fPIC -xc -
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#include <stdio.h>
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void fn1();
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void fn2();
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__attribute__((section(".low"))) void fn1() { fn2(); }
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__attribute__((section(".high"))) void fn2() { fn1(); }
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int main() {
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fn1();
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}
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EOF
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$CC -B. -o $t/exe $t/a.o \
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-Wl,--section-start=.low=0x10000000,--section-start=.high=0x20000000
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$OBJDUMP -dr $t/exe | grep -F -A7 '<fn1$thunk>:' > $t/log
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grep -Eq 'bx\s+pc' $t/log
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grep -Eq 'add\s+pc, ip, pc' $t/log
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