Sean Boudreau(deleted)
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Re: Strange problen with sprintf on PPC
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Sean Boudreau(deleted)
07/14/2008 1:18 PM
post10484
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Re: Strange problen with sprintf on PPC
On Mon, Jul 14, 2008 at 01:06:33PM -0400, Armin Steinhoff wrote:
>
> Hello,
>
> below is a gdb session showing that problem on a Lite5200 EVB.
> What could be the problem ??
>
> # make -f mApp
> qcc -g -Vgcc_ntoppcbe -Wall -I. -I../../examples/m1 -I../../canopen/include -I../../drivers/shar_inc -I../../drivers/
generic -o co_appl main.c -L obj -l co -l appl -l co -l CAN
> # ntoppc-gdb
> GNU gdb 5.0 (UI_OUT)
> Copyright 2000 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
> welcome to change it and/or distribute copies of it under certain conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB. Type "show warranty" for details.
> This GDB was configured as "--host=x86-pc-nto-qnx --target=ntoppc".
> (gdb) target qnx 192.168.178.77:10000
> Remote debugging using 192.168.178.77:10000
> (gdb) set qnxremotecwd /
> (gdb) upload co_appl co_appl
> (gdb) sy co_appl
> Reading symbols from co_appl...done.
> (gdb) b main
> Breakpoint 1 at 0x48040b60: file main.c, line 246.
> (gdb) ru co_appl
> Starting program: co_appl
> (gdb) c
> Continuing.
>
> Breakpoint 1, main (argc=???, argv=???) at main.c:246
> 246 {
> (gdb) n
> main (argc=1, argv=0x4803fe84) at main.c:249
> 249 BOOL_T err = CO_FALSE; /* error flag */
> (gdb)
> 259 ThreadCtl( _NTO_TCTL_IO, 0 );
> (gdb)
> 261 setOptions(CO_EXAMPLE_ARGS);
> (gdb)
> 267 lNodeId = NODE_ID;
> (gdb)
> 271 memset(CAN_resmgr_name, 0x00, 32);
> (gdb)
> 272 sprintf(CAN_resmgr_name, "/dev/%s%d", can_device, curr_channel);
> (gdb)
>
> Program received signal SIGSEGV, Segmentation fault.
> 0xfe34bfd8 in ?? () from /ppcbe/lib/libc.so.2
> (gdb) print can_device
> $1 = "CANDRV", '\000' <repeats 23 times>
> (gdb) print curr_channel
> $2 = 1
> (gdb)
Is curr_channel an int?
-seanb
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