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https://github.com/openharmony/third_party_elfutils.git
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Mark Wielaard
6e6e54e12a
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>
21 lines
379 B
C
21 lines
379 B
C
// gcc -g -O2 -o parameter_ref parameter_ref.c
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volatile int vv;
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/* Don't inline, but do allow clone to create specialized versions. */
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static __attribute__((noinline)) int
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foo (int x, int y, int z)
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{
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int a = x * 2;
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int b = y * 2;
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int c = z * 2;
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vv++;
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return x + z;
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}
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int
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main (int x, char **argv)
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{
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return foo (x, 2, 3) + foo (x, 4, 3) + foo (x + 6, x, 3) + x;
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}
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