[Bug gdb/22286] New: [MIPS] internal-error when read dspctl register

["paul.hua.gm at gmail dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=22286

            Bug ID: 22286
           Summary: [MIPS]  internal-error when read dspctl register
           Product: gdb
           Version: HEAD
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: paul.hua.gm at gmail dot com
  Target Milestone: ---

I use 'info r' to read registers on mips64 target with dsp.

something wrong.

internal-error: void inf_ptrace_fetch_register(regcache*, int): Assertion
`(size % sizeof (PTRACE_TYPE_RET)) == 0' failed.

----------------cut-------------------------------
(gdb) b main
Breakpoint 1 at 0x1200038b4
(gdb) r
Starting program: /usr/bin/ls 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".

Breakpoint 1, 0x00000001200038b4 in main ()
(gdb) info r
                  zero               at               v0               v1
 R0   0000000000000000 0000000000000001 0000000000000000 000000fff7ffcf80 
                    a0               a1               a2               a3
 R4   0000000000000001 000000ffffffad98 000000ffffffada8 0000000000000000 
                    a4               a5               a6               a7
 R8   000000fff7f36820 000000fff7fdba18 000000ffffffad90 0000000000000001 
                    t0               t1               t2               t3
 R12  000000fff7d75140 000000000000000b 00000000f63d4e2e 000000fff7ffde28 
                    s0               s1               s2               s3
 R16  000000fff7f34cc8 000000012001d5e0 0000000000000000 0000000000000000 
                    s4               s5               s6               s7
 R20  000000012016d750 000000012015af48 0000000000000000 0000000000000000 
                    t8               t9               k0               k1
 R24  0000000000000000 00000001200038a0 0000000000000000 0000000000000000 
                    gp               sp               s8               ra
 R28  00000001200438a0 000000ffffffa900 0000000000000000 000000fff7d931a0 
                status               lo               hi         badvaddr
      ffffffff8500c8f3 0000000000000000 000000000000000a 000000fff7daefe8 
                 cause               pc
      0000000010000024 00000001200038b4 
                  fcsr              fir              hi1              lo1
              00000000         00770501 0000000000000000 0000000000000000 
                   hi2              lo2              hi3              lo3
      0000000000000000 0000000000000000 0000000000000000 0000000000000000 
                dspctl          restart

../../binutils-gdb_git_trunk/gdb/inf-ptrace.c:735: internal-error: void
inf_ptrace_fetch_register(regcache*, int): Assertion `(size % sizeof
(PTRACE_TYPE_RET)) == 0' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n) 
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