libunwind changes

[Andrew Cagney <cagney@redhat.com>]

Jan,

I was looking through frysk's downstream copy of libunwind and noticed 
one or two recent changes.  I'm just wondering if they made it upstream 
to the official repo (well perhaps not the PPC changes :-).

Andrew


2007-04-05  Jan Kratochvil  <jan.kratochvil@redhat.com>

        * src/hppa/getcontext.S, src/hppa/setcontext.S, 
src/hppa/siglongjmp.S,
        src/ia64/Ginstall_cursor.S, src/ia64/Linstall_cursor.S,
        src/ia64/dyn_info_list.S, src/ia64/getcontext.S, src/ia64/longjmp.S,
        src/ia64/setjmp.S, src/ia64/siglongjmp.S, src/ia64/sigsetjmp.S,
        src/ppc64/longjmp.S, src/ppc64/siglongjmp.S, src/x86/longjmp.S,
        src/x86/siglongjmp.S, src/x86_64/longjmp.S, src/x86_64/setcontext.S,
        src/x86_64/siglongjmp.S: Stack should be non-executable, for 
SELinux.

        * tests/test-ptrace.c (target_pid_kill): New function.
        (target_pid, main): TARGET_PID made static, for target_pid_kill ().
        (main): Register target_pid_kill () for atexit(3).

        * tests/ia64-test-setjmp.c (doit): New forward declaration.
        (doit_pointer): New function pointer variable initialized to DOIT.
        (doit): Self-call made by an unoptimizable volatile indirect call.

        * src/Makefile.am (LIBRARIES_cdep, lib_LTLIBRARIES_cdep_setjmp):
        Removed, moved into ...
        (lib_LTLIBRARIES_cdep) ... here to fix libtool --disable-static.
        (libunwind_ptrace_a_SOURCES): Renamed to ...
        (libunwind_ptrace_la_SOURCES) ... here to fix libtool 
--disable-static.
        (install-exec-hook): Fixed for conditional compilations.
        (lib_LIBRARIES): Removed.
        (lib_LTLIBRARIES): Updated for removed 
`lib_LTLIBRARIES_cdep_setjmp'.
        (EXTRA_DIST): Updated for new renamed `libunwind_ptrace_la_SOURCES'.
        * tests/Makefile.am (test_ptrace_LDADD): Updated for libtool.

2007-04-04  Jan Kratochvil  <jan.kratochvil@redhat.com>

        * acinclude.m4, config/compile, config/config.guess, 
config/config.sub,
        config/depcomp, config/install-sh, config/ltmain.sh, config/missing,
        config/mkinstalldirs: Removed the autotools generated files.
        * .cvsignore: `config' is no longer a repository stored directory.

        * include/libunwind-ppc64.h (UNW_TDEP_CURSOR_LEN): Fixed for 
assert()s.
        * include/tdep-ppc64/libunwind_i.h (mempool.h): Version update 
even for
        the ppc64 architecture.
        * src/Makefile.am (ppc64): Version forward-ported the ppc64 port.
        * src/ppc64/Ginit.c (ppc64_local_addr_space_init): Removed VALIDATE
        initialization as it is no longer a cross-architecture field.
        * src/ppc64/Lcreate_addr_space.c, src/ppc64/Lget_proc_info.c,
        src/ppc64/Lget_save_loc.c, src/ppc64/Lglobal.c, src/ppc64/Linit.c,
        src/ppc64/Linit_local.c, src/ppc64/Linit_remote.c,
        src/ppc64/Lis_signal_frame.c, src/ppc64/Lregs.c, 
src/ppc64/Lresume.c,
        src/ppc64/Lstep.c: New files.
        * src/ppc64/setcontext.S: Removed file as it had invalid unused 
content.        * src/ppc64/siglongjmp.S (_UI_siglongjmp_cont): New stub 
function.
        * tests/flush-cache.S (flush_cache): New stub function for ppc64.
        * tests/test-ptrace-stepper.c (lockup): New ppc64 and crossplatform
        implementations.

        * tests/Gtest-dyn1.c, tests/Gtest-resume-sig.c, 
tests/test-async-sig.c,
        tests/test-ptrace.c: Fixed lockups on broken libunwind (as ppc64 
is).