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When running gdb.base/dump.exp with --target_board=unix/-fPIE/-pie, we get:
...
Running gdb/testsuite/gdb.base/dump.exp ...
FAIL: gdb.base/dump.exp: dump array as value, intel hex
...
The FAIL happens because although the test specifies nopie, the exec is
in fact compiled as PIE. The "-fPIE -pie" options specified using the
target_board are interpreted by dejagnu as multilib_flags, and end up
overriding the nopie flags.
Fix this by checking in gdb_compile if the resulting exec is PIE despite of
a nopie setting, and if so return an error:
...
Running gdb/testsuite/gdb.base/dump.exp ...
gdb compile failed, nopie failed to prevent PIE executable
=== gdb Summary ===
nr of untested testcases 1
...
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2019-07-30 Tom de Vries <tdevries@suse.de>
PR testsuite/24834
* lib/gdb.exp (gdb_compile): Fail if nopie results in PIE executable.
(exec_is_pie): New proc.
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||
|---|---|---|
| .. | ||
| ada.exp | ||
| append_gdb_boards_dir.exp | ||
| build-piece.exp | ||
| cache.exp | ||
| cell.exp | ||
| cl_util.c | ||
| cl_util.h | ||
| compile-support.exp | ||
| compiler.c | ||
| compiler.cc | ||
| completion-support.exp | ||
| cp-support.exp | ||
| d-support.exp | ||
| data-structures.exp | ||
| dtrace.exp | ||
| dwarf.exp | ||
| fortran.exp | ||
| future.exp | ||
| gdb-guile.exp | ||
| gdb-python.exp | ||
| gdb-utils.exp | ||
| gdb.exp | ||
| gdbserver-support.exp | ||
| gen-perf-test.exp | ||
| go.exp | ||
| memory.exp | ||
| mi-support.exp | ||
| objc.exp | ||
| opencl_hostapp.c | ||
| opencl_kernel.cl | ||
| opencl.exp | ||
| pascal.exp | ||
| pdtrace.in | ||
| perftest.exp | ||
| prelink-support.exp | ||
| prompt.exp | ||
| range-stepping-support.exp | ||
| read1.c | ||
| rust-support.exp | ||
| selftest-support.exp | ||
| set_unbuffered_mode.c | ||
| trace-support.exp | ||
| tuiterm.exp | ||
| unbuffer_output.c | ||
| valgrind.exp | ||