Bruna, I checked your patches into the GIT tree (please speak up if anyone has a problem with these patches...).
I think it would be useful to summarize your test-results for ARM in the README (** Expected results on ARM...). Do you want to send me a patch for that? Thanks, --david On 4/17/08, Bruna Moreira <[EMAIL PROTECTED]> wrote: > Hi all, > > We have done a quick evaluation of current libunwind status on ARM > using the internal testsuite. Libunwind from development git tree [1] > (last change 5 Feb 2008). The following tests have failed or received > SIGSEGV on ARM. Detailed descriptions about errors can be found below: > > * Gtest-bt and Ltest-bt > Issue: The stack size passed to sigaltstack() is too small for ARM > thus causing segmentation fault due to stack overflow. > Feature affected: None (testcase bug) > > * Gtest-exc and Ltest-exc > Issue: unw_resume() is not implemented > Feature affected: Resume execution at a different stack frame > (useful for e.g. exception handling) > > * Gtest-resume-sig and Ltest-resume-sig > Issue: Currently it PASS but their results depend on unw_resume() > which is not implemented on ARM, so they should FAIL > Feature affected: Resume execution from a signal handler > > * Gtest-dyn1 and Ltest-dyn1: > Issue: Size code definition of dynamic function (template()) on > testcase is too big for ARM architecture so memcpy() reads invalid > memory. After match the sizes, the test will still fail because > unw_is_signal_frame() is not implemented on ARM > Feature affected: Stack unwinding of dynamic (at run-time) generated code > > * run-check-namespace: > Issue: Some "bashisms" in check-namespace.sh.in causes the script > to fail to run on N8XX's busybox shell. After fixing those, the test > still fails because the ARM version of libunwind have _Unwind_* > interfaces disabled > Feature affected: break exceptions completely for ARM [2] > > * test-ptrace: > Issue: Some register maps are missing for ARM in > _UPT_reg_offset.c. After add them, we have the current implementation > is not able to retrieve the function name of the attached program, > probably because the offset of the dynamic linked list where these > informations are found is different from others archs. The function > get_list_addr() is returning -UNW_ENOINFO (just implemented for IA64) > Feature affected: Remote backtraces on ARM > > * run-ptrace-mapper and run-ptrace-misc: > Issue: Needs test-ptrace working. Result invalid > Feature affected: Not tested > > * test-setjmp > Issue: The test is in infinite loop. There are some issues there: > definition of JB_SP is incorrect for ARM on file > include/tdep-arm/jmpbuf.h. Implementation of longjmp() in libunwind > API is not recovering the SP register value > Feature affected: Internal support for non-local gotos > > > Please, see attached the following patches: > - libunwind_arm_fixes.patch: add some missing bits on ARM platform. > - libunwind_testsuite_fixes.patch: fix some testsuite issues on ARM > (Gtest-bt, Gtest-dyn1 and check-name-space.in). > > > Any comments/suggestions are welcome! > > > BR, > Bruna. > > References: > [1] The official libunwind git repository. URL: > > http://git.kernel.org/gitweb.cgi?p=libs/libunwind/libunwind.git;a=commit;h=3842dac7333e42aa44531eda34ba55200b99ccf8 > [2] libunwind ARM port. URL: > http://thread.gmane.org/gmane.comp.lib.unwind.devel/270/focus=276 > > > > -- > Bruna Moreira > Instituto Nokia de Tecnologia > Manaus - Brazil > > _______________________________________________ > Libunwind-devel mailing list > [email protected] > http://lists.nongnu.org/mailman/listinfo/libunwind-devel > > > -- Mosberger Consulting LLC, http://www.mosberger-consulting.com/ _______________________________________________ Libunwind-devel mailing list [email protected] http://lists.nongnu.org/mailman/listinfo/libunwind-devel
