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When running test-case gdb.base/step-indirect-call-thunk.exp with target board unix/-m32/-fPIE/-pie, I run into: ... (gdb) stepi^M 0x5655552e 22 { /* inc.1 */^M (gdb) stepi^M 0x56555530 22 { /* inc.1 */^M (gdb) stepi^M 0x565555f7 in __x86.get_pc_thunk.ax ()^M (gdb) FAIL: gdb.base/step-indirect-call-thunk.exp: stepi into return thunk ... In contrast, with unix/-m32 we have instead: ... (gdb) stepi^M 0x08048407 22 { /* inc.1 */^M (gdb) stepi^M 23 return x + 1; /* inc.2 */^M (gdb) stepi^M 0x0804840c 23 return x + 1; /* inc.2 */^M (gdb) stepi^M 24 } /* inc.3 */^M (gdb) stepi^M 0x08048410 24 } /* inc.3 */^M (gdb) stepi^M 0x0804848f in __x86_return_thunk ()^M (gdb) PASS: gdb.base/step-indirect-call-thunk.exp: stepi into return thunk ... The test-case doesn't expect to run into __x86.get_pc_thunk.ax, which is a PIC helper function for x86_64-linux. Fix this by insn-stepping through it. Likewise in a few other test-cases. Tested on x86_64-linux.
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README for GNU development tools This directory contains various GNU compilers, assemblers, linkers, debuggers, etc., plus their support routines, definitions, and documentation. If you are receiving this as part of a GDB release, see the file gdb/README. If with a binutils release, see binutils/README; if with a libg++ release, see libg++/README, etc. That'll give you info about this package -- supported targets, how to use it, how to report bugs, etc. It is now possible to automatically configure and build a variety of tools with one command. To build all of the tools contained herein, run the ``configure'' script here, e.g.: ./configure make To install them (by default in /usr/local/bin, /usr/local/lib, etc), then do: make install (If the configure script can't determine your type of computer, give it the name as an argument, for instance ``./configure sun4''. You can use the script ``config.sub'' to test whether a name is recognized; if it is, config.sub translates it to a triplet specifying CPU, vendor, and OS.) If you have more than one compiler on your system, it is often best to explicitly set CC in the environment before running configure, and to also set CC when running make. For example (assuming sh/bash/ksh): CC=gcc ./configure make A similar example using csh: setenv CC gcc ./configure make Much of the code and documentation enclosed is copyright by the Free Software Foundation, Inc. See the file COPYING or COPYING.LIB in the various directories, for a description of the GNU General Public License terms under which you can copy the files. REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info on where and how to report problems.
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