On Fri, Mar 20, 2009 at 06:51:05PM +0200, Sergei Gavrikov wrote:
> On Fri, Mar 20, 2009 at 02:16:59PM +0000, John Dallaway wrote:
> > Hi Ilija and Sergei
> >
> > Many thanks for your eCos 3.0 beta 1 testing reports.
> >
> > I wonder if you're also able to check for correct debugging of eCos
> > applications built for Thumb? Since one of you is using a big-endian ARM
> > target and the other a little-endian ARM target you can together provide
> > good coverage.
> >
> > For avoidance of doubt:
> >
> > a) eCos should build for Thumb on ARM architecture simply by enabling
> > CYGHWR_THUMB. I strongly recommend using a completely new build tree and
> > enabling CYGHWR_THUMB before invoking make for the first time.
> >
> > b) The standard build of RedBoot should support debugging of both ARM
> > and Thumb applications. You do not need to rebuild RedBoot.
> >
> > If you're able to confirm the correct operation of Thumb breakpoints,
> > single stepping and backtraces in a simple application which runs in a
> > loop such as the "twothreads" example application this would be very
> > helpful. You can build the twothreads example as follows:
> >
> > cd /opt/ecos/ecos-3.0b1/examples
> > make twothreads INSTALL_DIR=/path/to/ecos-build/install
>
> Hi John
>
> I will be to fulfil a job and paste the below
>
> I will place a conclusion at the line the below
>
> ALL WORKS FOR MY TARGET
Ups. All was done for CVS trunk. I will retry all for 3.0b1.
ALL WORKS TOO. Log attached.
Sergei
~$ . /opt/ecos/ecosenv.sh
~$ echo $ECOS_REPOSITORY
/opt/ecos/ecos-3.0b1/packages
~$ cd /tmp
/tmp$ rm -r -f t
/tmp$ mkdir t
/tmp$ cd t
/tmp/t$ ecosconfig new olpce2294
U CYGHWR_HAL_ARM_LPC2XXX, new inferred value LPC2294
/tmp/t$ cp ecos.ecc{,.0}
/tmp/t$ vi ecos.ecc
/tmp/t$ diff -U 5 ecos.ecc.0 ecos.ecc
--- ecos.ecc.0 2009-03-20 19:08:48.000000000 +0200
+++ ecos.ecc 2009-03-20 19:09:01.000000000 +0200
@@ -2373,11 +2373,11 @@
# CYGINT_HAL_ARM_THUMB_ARCH == 1
# --> 1
# Flavor: bool
# No user value, uncomment the following line to provide one.
- # user_value 0
+ user_value 1
# value_source default
# Default value: 0
# The following properties are affected by this value
# option CYGBLD_ARM_ENABLE_THUMB_INTERWORK
/tmp/t$ cp ecos.ecc{,.1}
/tmp/t$ vi ecos.ecc
/tmp/t$ diff -U 5 ecos.ecc.1 ecos.ecc
--- ecos.ecc.1 2009-03-20 19:11:02.000000000 +0200
+++ ecos.ecc 2009-03-20 19:11:15.000000000 +0200
@@ -202,11 +202,11 @@
# flags.
#
cdl_option CYGBLD_GLOBAL_CFLAGS {
# Flavor: data
# No user value, uncomment the following line to provide one.
- # user_value "-Wall -Wpointer-arith -Wstrict-prototypes -Wundef
-Woverloaded-virtual -Wno-write-strings -mthumb -mthumb-interwork
-mcpu=arm7tdmi -g -O2 -ffunction-sections -fdata-sections -fno-rtti
-fno-exceptions"
+ user_value "-Wall -Wpointer-arith -Wstrict-prototypes -Wundef
-Woverloaded-virtual -Wno-write-strings -mthumb -mthumb-interwork
-mcpu=arm7tdmi -g -ffunction-sections -fdata-sections -fno-rtti -fno-exceptions"
# value_source default
# Default value: CYGBLD_GLOBAL_WARNFLAGS . CYGBLD_ARCH_CFLAGS .
# "-mcpu=arm7tdmi -g -O2
-ffunction-sections -fdata-sections -fno-rtti -fno-exceptions"
# CYGBLD_GLOBAL_WARNFLAGS == "-Wall -Wpointer-arith
-Wstrict-prototypes -Wundef -Woverloaded-virtual -Wno-write-strings "
# CYGBLD_ARCH_CFLAGS == "-mthumb -mthumb-interwork "
/tmp/t$ ecosconfig resolve
/tmp/t$ ecosconfig tree&&make -s
headers finished
/opt/ecos/ecos-3.0b1/packages/hal/arm/lpc2xxx/var/v3_0b1/src/hal_diag.c: In
function 'cyg_hal_plf_serial_isr':
/opt/ecos/ecos-3.0b1/packages/hal/arm/lpc2xxx/var/v3_0b1/src/hal_diag.c:260:
warning: pointer targets in passing argument 1 of 'cyg_hal_is_break' differ in
signedness
build finished
/tmp/t$ cp -a $ECOS_REPOSITORY/../examples .
/tmp/t$ make -C examples clean INSTALL_DIR=`pwd`/installmake: Entering
directory `/tmp/t/examples'
rm -f hello hello.o twothreads twothreads.o
rm -f simple-alarm simple-alarm.o serial serial.o
rm -f instrument-test instrument-test.o
make: Leaving directory `/tmp/t/examples'
/tmp/t$ make -C examples twothreads INSTALL_DIR=`pwd`/install
make: Entering directory `/tmp/t/examples'
arm-eabi-gcc -c -o twothreads.o -I/tmp/t/install/include -Wall -Wpointer-arith
-Wstrict-prototypes -Wundef -Woverloaded-virtual -Wno-write-strings -mthumb
-mthumb-interwork -mcpu=arm7tdmi -g -ffunction-sections -fdata-sections
-fno-rtti -fno-exceptions twothreads.c
cc1: warning: command line option "-Woverloaded-virtual" is valid for
C++/ObjC++ but not for C
cc1: warning: command line option "-fno-rtti" is valid for C++/ObjC++ but not
for C
arm-eabi-gcc -nostartfiles -L/tmp/t/install/lib -Ttarget.ld -mthumb
-mthumb-interwork -mcpu=arm7tdmi -Wl,--gc-sections -Wl,-static -g -nostdlib -o
twothreads twothreads.o
make: Leaving directory `/tmp/t/examples'
/tmp/t$ arm-eabi-gdb examples/twothreads
GNU gdb (eCosCentric GNU tools 4.3.2-sw) 6.8.50.20080706
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "--host=i686-pc-linux-gnu --target=arm-eabi".
For bug reporting instructions, please see:
<http://bugs.ecos.sourceware.org/>...
(gdb) set remotebaud 230400
(gdb) target remote /dev/ttyUSB0
Remote debugging using /dev/ttyUSB0
0x00008028 in ?? ()
(gdb) load
Loading section .rom_vectors, size 0x40 lma 0x81010000
Loading section .text, size 0xd6b4 lma 0x81010040
Loading section .rodata, size 0x9c0 lma 0x8101d6f4
Loading section .data, size 0x324 lma 0x8101e0b4
Start address 0x81010040, load size 58328
Transfer rate: 18 KB/sec, 299 bytes/write.
(gdb) b main
Breakpoint 1 at 0x8101af1a: file
/opt/ecos/ecos-3.0b1/packages/language/c/libc/startup/v3_0b1/src/main.cxx, line
114.
(gdb) c
Continuing.
Entering twothreads' cyg_user_start() function
Beginning execution; thread data is 0
Beginning execution; thread data is 1
[Switching to Thread 2]
Breakpoint 1, main (argc=1, argv=0x8102213c)
at
/opt/ecos/ecos-3.0b1/packages/language/c/libc/startup/v3_0b1/src/main.cxx:114
114 Cyg_Thread::self()->suspend();
(gdb) info threads
[New Thread 1]
[New Thread 3]
[New Thread 4]
4 Thread 4 ( Name: Thread B, State: sleeping, Priority: 4 ) 0x8101fff0 in
Cyg_Scheduler::scheduler ()
3 Thread 3 ( Name: Thread A, State: sleeping, Priority: 4 ) 0x8101fff0 in
Cyg_Scheduler::scheduler ()
2 Thread 1 ( Name: Idle Thread, State: ready, Priority: 31 )
Cyg_HardwareThread::thread_entry (thread=0x0)
at /opt/ecos/ecos-3.0b1/packages/kernel/v3_0b1/src/common/thread.cxx:84
* 1 Thread 2 ( Name: main, State: running, Priority: 10 ) main (argc=1,
argv=0x8102213c)
at
/opt/ecos/ecos-3.0b1/packages/language/c/libc/startup/v3_0b1/src/main.cxx:114
(gdb) b twothreads.c:51
Breakpoint 3 at 0x810106c4: file twothreads.c, line 51.
(gdb) c
Continuing.
[Switching to Thread 4]
Breakpoint 3, simple_program (data=1) at twothreads.c:51
51 delay = 200 + (rand() % 50);
Current language: auto; currently c
(gdb) bt
#0 simple_program (data=1) at twothreads.c:51
#1 0x81014052 in Cyg_HardwareThread::thread_entry (thread=0x81024810)
at /opt/ecos/ecos-3.0b1/packages/kernel/v3_0b1/src/common/thread.cxx:94
(gdb) info threads
* 4 Thread 4 ( Name: Thread B, State: running, Priority: 4 ) simple_program (
data=1) at twothreads.c:51
3 Thread 3 ( Name: Thread A, State: sleeping, Priority: 4 ) 0x8101fff0 in
Cyg_Scheduler::scheduler ()
2 Thread 1 ( Name: Idle Thread, State: ready, Priority: 31 )
idle_thread_main (data=0)
at /opt/ecos/ecos-3.0b1/packages/kernel/v3_0b1/src/common/thread.cxx:1228
1 Thread 2 ( Name: main, State: suspended, Priority: 10 ) 0x8101fff0 in
Cyg_Scheduler::scheduler ()
(gdb) n
[Switching to Thread 3]
Breakpoint 3, simple_program (data=0) at twothreads.c:51
51 delay = 200 + (rand() % 50);
(gdb)
[Switching to Thread 4]
55 cyg_mutex_lock(&cliblock); {
(gdb)
[Switching to Thread 3]
56 printf("Thread %d: and now a delay of %d clock ticks\n",
(gdb)
Thread 0: and now a delay of 243 clock ticks
59 cyg_mutex_unlock(&cliblock);
(gdb)
60 cyg_thread_delay(delay);
(gdb)
Thread 1: and now a delay of 224 clock ticks
[Switching to Thread 4]
Breakpoint 3, simple_program (data=1) at twothreads.c:51
51 delay = 200 + (rand() % 50);
(gdb) bt
#0 simple_program (data=1) at twothreads.c:51
#1 0x81014052 in Cyg_HardwareThread::thread_entry (thread=0x81024810)
at /opt/ecos/ecos-3.0b1/packages/kernel/v3_0b1/src/common/thread.cxx:94
(gdb) info threads
* 4 Thread 4 ( Name: Thread B, State: running, Priority: 4 ) simple_program (
data=1) at twothreads.c:51
3 Thread 3 ( Name: Thread A, State: sleeping, Priority: 4 ) 0x8101fff0 in
Cyg_Scheduler::scheduler ()
2 Thread 1 ( Name: Idle Thread, State: ready, Priority: 31 )
idle_thread_main (data=0)
at /opt/ecos/ecos-3.0b1/packages/kernel/v3_0b1/src/common/thread.cxx:1228
1 Thread 2 ( Name: main, State: suspended, Priority: 10 ) 0x8101fff0 in
Cyg_Scheduler::scheduler ()
(gdb) d
Delete all breakpoints? (y or n) y
(gdb) c
Continuing.
Thread 1: and now a delay of 210 clock ticks
Thread 0: and now a delay of 224 clock ticks
Thread 1: and now a delay of 207 clock ticks
Thread 0: and now a delay of 244 clock ticks
Thread 1: and now a delay of 229 clock ticks
Thread 0: and now a delay of 243 clock ticks
Thread 1: and now a delay of 212 clock ticks
Thread 0: and now a delay of 243 clock ticks
Thread 1: and now a delay of 247 clock ticks
Thread 0: and now a delay of 226 clock ticks
Thread 1: and now a delay of 231 clock ticks
Thread 0: and now a delay of 226 clock ticks
Thread 1: and now a delay of 224 clock ticks
Thread 0: and now a delay of 215 clock ticks
Thread 1: and now a delay of 200 clock ticks
Thread 0: and now a delay of 234 clock ticks
Program received signal SIGINT, Interrupt.
[Switching to Thread 1]
idle_thread_main (data=0)
at /opt/ecos/ecos-3.0b1/packages/kernel/v3_0b1/src/common/thread.cxx:1228
1228 idle_thread_loops[CYG_KERNEL_CPU_THIS()]++;
Current language: auto; currently c++
(gdb) bt
#0 idle_thread_main (data=0)
at /opt/ecos/ecos-3.0b1/packages/kernel/v3_0b1/src/common/thread.cxx:1228
#1 0x81014052 in Cyg_HardwareThread::thread_entry (thread=0x8101f728)
at /opt/ecos/ecos-3.0b1/packages/kernel/v3_0b1/src/common/thread.cxx:94
(gdb) info threads
4 Thread 4 ( Name: Thread B, State: sleeping, Priority: 4 ) 0x8101fff0 in
Cyg_Scheduler::scheduler ()
3 Thread 3 ( Name: Thread A, State: sleeping, Priority: 4 ) 0x8101fff0 in
Cyg_Scheduler::scheduler ()
* 2 Thread 1 ( Name: Idle Thread, State: running, Priority: 31 )
idle_thread_main (data=0)
at /opt/ecos/ecos-3.0b1/packages/kernel/v3_0b1/src/common/thread.cxx:1228
1 Thread 2 ( Name: main, State: suspended, Priority: 10 ) 0x8101fff0 in
Cyg_Scheduler::scheduler ()
(gdb) deta
Ending remote debugging.
(gdb) q
tmp/t$
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