[Bug tdep/15653] New: verify that sdt probe support works on AArch64

[Bug tdep/15653] New: verify that sdt probe support works on AArch64

[tromey at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=15653

            Bug ID: 15653
           Summary: verify that sdt probe support works on AArch64
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: tdep
          Assignee: unassigned at sourceware dot org
          Reporter: tromey at redhat dot com

We need to verify that the SDT probe support in
gdb works on AArch64; and if not, port it.

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[Bug tdep/15653] verify that sdt probe support works on AArch64

[sergiodj at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=15653

Sergio Durigan Junior <sergiodj at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |sergiodj at redhat dot com
           Assignee|unassigned at sourceware dot org   |sergiodj at redhat dot com

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[Bug tdep/15653] verify that sdt probe support works on AArch64

[palves at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=15653

Pedro Alves <palves at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|                            |aarch64*
                 CC|                            |palves at redhat dot com

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[Bug tdep/15653] verify that sdt probe support works on AArch64

[sergiodj at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=15653

--- Comment #1 from Sergio Durigan Junior <sergiodj at redhat dot com> ---
I have a patch apparently working.  I plan to test it more today, and submit it
ASAP.

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[Bug tdep/15653] verify that sdt probe support works on AArch64

[sergiodj at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=15653

--- Comment #2 from Sergio Durigan Junior <sergiodj at redhat dot com> ---
Patch posted: https://sourceware.org/ml/gdb-patches/2013-11/msg00745.html

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[Bug tdep/15653] verify that sdt probe support works on AArch64

[sergiodj at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=15653

Sergio Durigan Junior <sergiodj at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #4 from Sergio Durigan Junior <sergiodj at redhat dot com> ---
Fixed.

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[Bug tdep/15653] verify that sdt probe support works on AArch64

[cvs-commit at gcc dot gnu.org]

http://sourceware.org/bugzilla/show_bug.cgi?id=15653

--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "gdb and binutils".

The branch, master has been updated
       via  08248ca9fe11040e9a4126cefebc5023d1d67222 (commit)
      from  52d2001f06c9d8aeeb6db0ce40c6bbfc2be8b0f2 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=08248ca9fe11040e9a4126cefebc5023d1d67222

commit 08248ca9fe11040e9a4126cefebc5023d1d67222
Author: Sergio Durigan Junior <sergiodj@redhat.com>
Date:   Sat Dec 28 14:14:11 2013 -0200

    Implement SystemTap SDT probe support for AArch64

    This commit implements the needed bits for SystemTap SDT probe support
    on AArch64 architectures.

    First, I started by looking at AArch64 assembly specification and
    filling the necessary options on gdbarch's stap machinery in order to
    make the generic asm parser (implemented in stap-probe.c) recognize
    AArch64's asm.

    After my last patch for the SystemTap SDT API, which extends it in order
    to accept multiple prefixes and suffixes, this patch became simpler.  I
    also followed Marcus suggestion and did not shared code between 32- and
    64-bit ARM.

    Tom asked me in a previous message how I did my tests.  I believe I
    replied that, but just in case: I ran the tests on
    gdb.base/stap-probe.exp by hand.  I also managed to run the tests on
    real hardware, and they pass without regressions.

    2013-12-28  Sergio Durigan Junior  <sergiodj@redhat.com>

        PR tdep/15653
        * NEWS: Mention SystemTap SDT probe support for AArch64 GNU/Linux.
        * aarch64-linux-tdep.c: Include necessary headers for parsing of
        SystemTap SDT probes.
        (aarch64_stap_is_single_operand): New function.
        (aarch64_stap_parse_special_token): Likewise.
        (aarch64_linux_init_abi): Declare SystemTap SDT probe argument
        prefixes and suffixes.  Initialize gdbarch with them.

-----------------------------------------------------------------------

Summary of changes:
 gdb/ChangeLog            |   11 ++++
 gdb/NEWS                 |    2 +
 gdb/aarch64-linux-tdep.c |  137 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 150 insertions(+), 0 deletions(-)

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