[Bug gdb/13969] New: GDBserver doesn't check unsupported binary

[Bug gdb/13969] New: GDBserver doesn't check unsupported binary

[hjl.tools at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13969

             Bug #: 13969
           Summary: GDBserver doesn't check unsupported binary
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdb
        AssignedTo: unassigned@sourceware.org
        ReportedBy: hjl.tools@gmail.com
    Classification: Unclassified


When I ran i386 GDBserver on x86-64 binary, I got

# ./gdbserver-32bit :12345 ./64
Process ./64 created; pid = 32687
Listening on port 12345
Remote debugging from host 127.0.0.1
readchar: Got EOF
Remote side has terminated connection.  GDBserver will reopen the connection.
Listening on port 12345

# ./gdb ./64
...
(gdb) target remote :12345
Remote debugging using :12345
warning: Selected architecture i386:x86-64 is not compatible with reported
target architecture i386
warning: Architecture rejected target-supplied description
Reply contains invalid hex digit 59
(gdb) 

GDBserver stuck and I had to kill GDBserver by hand.

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[Bug gdb/13969] GDBserver doesn't check unsupported binary

[cvs-commit at gcc dot gnu.org]

http://sourceware.org/bugzilla/show_bug.cgi?id=13969

--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> 2012-04-12 15:35:40 UTC ---
CVSROOT:    /cvs/src
Module name:    src
Changes by:    hjl@sourceware.org    2012-04-12 15:35:32

Modified files:
    gdb/gdbserver  : ChangeLog linux-low.c linux-low.h 
                     linux-x86-low.c 

Log message:
    Check if GDBserver is compatible with process

    PR gdb/13969
    * linux-low.c (linux_pid_exe_is_elf_64_file): Also return the
    e_machine field.
    (linux_qxfer_libraries_svr4): Update call to elf_64_file_p.
    * linux-low.h (linux_pid_exe_is_elf_64_file): Updated.
    * linux-x86-low.c (x86_arch_setup): Check if GDBserver is
    compatible with process.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/ChangeLog.diff?cvsroot=src&r1=1.589&r2=1.590
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-low.c.diff?cvsroot=src&r1=1.212&r2=1.213
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-low.h.diff?cvsroot=src&r1=1.54&r2=1.55
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-x86-low.c.diff?cvsroot=src&r1=1.39&r2=1.40

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[Bug gdb/13969] GDBserver doesn't check unsupported binary

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=13969

Tom Tromey <tromey at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
                 CC|                            |tromey at sourceware dot org
             Status|NEW                         |RESOLVED

--- Comment #2 from Tom Tromey <tromey at sourceware dot org> ---
I think this was probably fixed by that commit.

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