ftmemsim-valgrind/gdbserver_tests/nlcontrolc.stdinB.gdb
Julian Seward b37b05d214 Improvements for testing and compilation breakage for the GDB server
on various platforms:

* In all gdbserver_tests using gdb:
  Made a more general way to remove the initial start message.

* tests using threads burning cpu modified to have only 1 thread.
  This makes them independent of the scheduler fairness.

* filter_gdb and filter_vgdb enhanced to anonymise
    some debian 6.0/ppc specific things
    some s390x/gdb 7.0, gdb 7.1  specific things

* vgdb.c: added an #include <linux/ptrace.h> to fix compilation
  on s390x fedora and suse. (Christian Boerntrager)

* fixed a bug in valgrind-low.c debug log :
  when a register size is 0, its image cannot be output (and register
  should not be transferred).

* added a parameter --keep-unfiltered to vg_regtest.in
  This will make it easier to update filter_gdb:
  in case gdbserver_tests are failing due to "artificial"
  differences to be filtered, re-run the tests using:
     perl tests/vg_regtest --keep-unfiltered gdbserver_tests
  Then a tar file with all the *.out in gdbserver_tests
  will allow me to better/faster update the filter_gdb.

* made a better detection of a working PTRACE_GETREGS at compile time
  and/or at run-time.

This is the patch on bug 214909 comment 69.
(Philippe Waroquiers, philippe.waroquiers@skynet.be)



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11740
2011-05-10 11:01:07 +00:00

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# connect gdb to Valgrind gdbserver:
target remote | ./vgdb --wait=60 --vgdb-prefix=./vgdb-prefix-nlcontrolc
echo vgdb launched process attached\n
monitor vg.set vgdb-error 999999
#
#
# simulate control-c in a few seconds
shell ./simulate_control_c --vgdb-prefix=./vgdb-prefix-nlcontrolc 10
#
continue
#
# Here, all tasks should be blocked in a loooonnnng select, all in WaitSys
info threads
# We will unblock them by changing their timeout argument
# To avoid going into the frame where the timeval arg is,
# it has been defined as global variables, as the nr
# of calls on the stack differs between 32bits and 64bits,
# and/or between OS.
# ensure select finishes in a few milliseconds max:
p t[0].tv_sec = 0
p t[1].tv_sec = 0
p t[2].tv_sec = 0
p t[3].tv_sec = 0
#
# We will change the burning parameters in a few seconds
shell ./simulate_control_c --vgdb-prefix=./vgdb-prefix-nlcontrolc 10
#
continue
#
# Threads are burning cpu now
# We would like to test info threads here, but which thread are Runnable or Yielding
# is unpredictable.
# info threads
p burn = 0
p loops = 0
p report_finished = 0
continue
# and the process should stop very quickly now
quit