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third_party_elfutils/tests/testfile_implicit_value.c
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Mark Wielaard 6e6e54e12a tests: Add new varlocs test for dwarf_getlocation* functions.
This tests the new dwarf_getlocations, dwarf_getlocation_attr and
dwarf_getlocation_die functions. But it is also an example of how
to handle location expressions and which libdw functions can be
used to access all information required to interpret each DW_OP.

It might make sense to extend this test/example into a program
that verifies various properties of DWARF expressions.

Signed-off-by: Mark Wielaard <mjw@redhat.com>
2013-09-06 12:17:14 +02:00

13 lines
215 B
C

// gcc -m32 -g -O2 -o implicit_value implicit_value.c
static __attribute__((noinline, noclone)) int foo ()
{
unsigned long long a[] = { 2, 21 };
return a[0] * a[1];
}
int main (void)
{
return foo () - 42;
}