Armin Steinhoff
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Strange problen with sprintf on PPC
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Armin Steinhoff
07/14/2008 1:06 PM
post10481
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Strange problen with sprintf on PPC
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
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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)
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