31 Commits

Author SHA1 Message Date
3666a04883 Update copyright year range in all GDB files
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...

gdb/ChangeLog

        Update copyright year range in copyright header of all GDB files.
2021-01-01 12:12:21 +04:00
b811d2c292 Update copyright year range in all GDB files.
gdb/ChangeLog:

        Update copyright year range in all GDB files.
2020-01-01 10:20:53 +04:00
42a4f53d2b Update copyright year range in all GDB files.
This commit applies all changes made after running the gdb/copyright.py
script.

Note that one file was flagged by the script, due to an invalid
copyright header
(gdb/unittests/basic_string_view/element_access/char/empty.cc).
As the file was copied from GCC's libstdc++-v3 testsuite, this commit
leaves this file untouched for the time being; a patch to fix the header
was sent to gcc-patches first.

gdb/ChangeLog:

	Update copyright year range in all GDB files.
2019-01-01 10:01:51 +04:00
e2882c8578 Update copyright year range in all GDB files
gdb/ChangeLog:

        Update copyright year range in all GDB files
2018-01-02 07:38:06 +04:00
61baf725ec update copyright year range in GDB files
This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.

gdb/ChangeLog:

        Update copyright year range in all GDB files.
2017-01-01 10:52:34 +04:00
1ac72f0659 sim: convert to bfd_endian
Rather than re-invent endian defines, as well as maintain our own list
of OS & arch-specific includes, punt all that logic in favor of the bfd
ones already set up and maintained elsewhere.  We already rely on the
bfd library, so leveraging the endian aspect should be fine.
2016-01-03 00:18:07 -05:00
618f726fcb GDB copyright headers update after running GDB's copyright.py script.
gdb/ChangeLog:

        Update year range in copyright notice of all files.
2016-01-01 08:43:22 +04:00
83034798de sim: trace: centralize the system tracing
First we convert the ETRACE_P to STRACE_EVENTS_P.  This means we move from
using the sim_events.trace storage to the common sim_state_base.trace_data
array.  With that deleted, the common trace init code can be simplified so
the sim state works the same as the sim cpu.
2015-06-11 10:39:43 -04:00
32d0add0a6 Update year range in copyright notice of all files owned by the GDB project.
gdb/ChangeLog:

        Update year range in copyright notice of all files.
2015-01-01 13:32:14 +04:00
ecd75fc8ee Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
8acc9f485b Update years in copyright notice for the GDB files.
Two modifications:
  1. The addition of 2013 to the copyright year range for every file;
  2. The use of a single year range, instead of potentially multiple
     year ranges, as approved by the FSF.
2013-01-01 06:41:43 +00:00
c5a5708100 Copyright year update in most files of the GDB Project.
gdb/ChangeLog:

        Copyright year update in most files of the GDB Project.
2012-01-04 08:28:28 +00:00
028f651542 sim: common: trim trailing whitespace 2011-03-15 03:16:17 +00:00
891e7fb179 sim: change to 64bit time keeping to avoid 32bit overflows
The sim-events code jumps through some hoops to avoid using 64bit math
to manage the current time.  One fundamental assumption here is that by
constantly scheduling the sim poll event a short time into the future,
the 64bit difference will always fall into a signed 32bit value.  This
does work most of the time, except for when processing the sim poll event
itself.

Normally, sim_events_process() will dequeue the sim poll event, update
the current time (time_from_event) according to the next pending event,
process the sim poll event (which will then requeue the sim poll event),
and then continue on.

The problem here of course is that the current time is updated in that
small window before the sim poll event gets a chance to reschedule itself.
So if the 64bit difference between the current time and the next event
does not fit into the signed 32bit value, time_from_event overflows, and
the internal assert at the end of update_time_from_event() triggers.

Since attempts at tweaking sim_events_process() logic introduced other
subtle bugs (due to tangled assumptions between most pieces of the sim
time keeping code), change the time_from_event to a real 64bit value.
Tests on my system between a 32bit ELF and a 64bit ELF show no practical
difference (it's all lost in the system noise).  Basically, I booted a
Linux kernel to userspace and then paniced it; this gave me a constant
sample size of about 18 million insns.

This was noticed when simulating Blackfin Das U-Boot.  The simulated core
timer is given the max unsigned timeout value possible on a 32bit processor
(0xffffffff).  This timeout value is used directly to schedule a hw event
in the sim future (the IRQ firing).  Once the sim poll event is kicked off,
the next pending event is the core timer event which is more than 2^31
ticks in the future, and the sim aborts with:
sim-events.c:435: assertion failed - current_time == sim_events_time (sd)

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-02-14 04:58:12 +00:00
7b6bb8daac run copyright.sh for 2011. 2011-01-01 15:34:07 +00:00
dc3cf14f35 Update copyright notices to add year 2010. 2010-01-01 10:03:36 +00:00
e4d013fc0f Update the copyright notice of some of the files I missed
in the previous copyright update.
2009-01-14 10:53:10 +00:00
9b254dd1ce Updated copyright notices for most files. 2008-01-01 22:53:26 +00:00
4744ac1bb0 Switch the license of all files explicitly copyright the FSF
to GPLv3.
2007-08-24 14:30:15 +00:00
6aba47ca06 Copyright updates for 2007. 2007-01-09 17:59:20 +00:00
b85e4829fa 2002-11-22 Andrew Cagney <ac131313@redhat.com>
* dv-core.c: Update copyright.  sim/common contributed to the FSF.
	* dv-glue.c, dv-pal.c, hw-base.c, hw-base.h, hw-device.c: Ditto.
	* hw-device.h, hw-handles.c, hw-handles.h: Ditto.
	* hw-instances.c, hw-instances.h, hw-properties.c: Ditto.
	* hw-properties.h, hw-tree.c, hw-tree.h, sim-alu.h: Ditto.
	* sim-basics.h, sim-bits.c, sim-bits.h, sim-config.c: Ditto.
	* sim-config.h, sim-core.c, sim-core.h, sim-endian.c: Ditto.
	* sim-endian.h, sim-events.c, sim-events.h, sim-inline.c: Ditto.
	* sim-inline.h, sim-io.c, sim-io.h, sim-n-bits.h: Ditto.
	* sim-n-core.h, sim-n-endian.h, sim-types.h: Ditto.
2002-11-23 01:12:05 +00:00
6439295f61 2002-02-10 Chris Demetriou <cgd@broadcom.com>
* callback.c: Fix some spelling errors.
        * hw-device.h: Likewise.
        * hw-tree.c: Likewise.
        * sim-abort.c: Likewise.
        * sim-alu.h: Likewise.
        * sim-core.h: Likewise.
        * sim-events.c: Likewise.
        * sim-events.h: Likewise.
        * sim-fpu.h: Likewise.
        * sim-profile.h: Likewise.
        * sim-utils.c: Likewise.
2002-02-10 23:11:37 +00:00
38e64f358e 2000-06-25 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* sim-events.c (sim_events_remain_time): New function returning
        the time that remains before the event is raised.
        * hw-events.c (hw_event_remain_time): Likewise.
        * sim-events.h (sim_events_remain_time): Declare.
        * hw-events.h (hw_event_remain_time): Declare.
2000-07-27 11:37:34 +00:00
c906108c21 Initial creation of sourceware repository 1999-04-16 01:35:26 +00:00
071ea11e85 Initial creation of sourceware repository 1999-04-16 01:34:07 +00:00
fdd64f952d Add support for suspending/resumeing the simulator in sim-modules.
Use in sim-events.
1997-09-03 07:26:11 +00:00
f90b720ba1 Passify GCC. Convert 0x0LL to something more portable in the FP code. 1997-08-30 00:02:19 +00:00
50a2a69182 Watchpoint interface. 1997-05-21 06:54:13 +00:00
f03b093cd3 o Implement generic halt/restart/abort module.
Use in tic80 and d30v simulators.
o	Add signal hook to sim-core module
1997-05-19 03:42:33 +00:00
c445af5a2b c80 simulator fixes. 1997-05-12 04:57:49 +00:00
231de1b8db remove defunct variable from event struct 1997-03-17 16:26:35 +00:00