Dear Bill,
There you go:
Cannot access memory at address 0x0
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/arm-linux-gnueabi/libthread_db.so.1".
Breakpoint 1, get_wspr_channel_symbols (rawmessage=0x210d8 "I2GPG JN45 33",
hashtab=0xb68dc008 "", symbols=0xbeff9050 "") at
/root/src/wsjtx/src/lib/wsprd/wsprsim_utils.c:167
167 int m=0, n=0, ntype=0;
(gdb) watch symbols
Hardware watchpoint 2: symbols
(gdb) c
Continuing.
Hardware watchpoint 2: symbols
Old value = (unsigned char *) 0xbeff9050 ""
New value = (unsigned char *) 0xbeff9000
"\030@\214\071\"\377\225\071!5\241\071Jخ9\346\363\302\071t\222\006:\347\367\234:`\357A:"
encode (symbols=0xbef4564d "\220\377\276\b\300\215\266\330\020\002",
data=0xbef45682 "", nbytes=0) at /root/src/wsjtx/src/lib/wsprd/fano.c:77
77 *symbols++ = sym & 1;
(gdb)
Continuing.
Hardware watchpoint 2: symbols
Old value = (unsigned char *) 0xbeff9000
"\030@\214\071\"\377\225\071!5\241\071Jخ9\346\363\302\071t\222\006:\347\367\234:`\357A:"
New value = (unsigned char *) 0xbeff0000
"\362\260\200?\032~(@\r\373\323?\v\323]?\a,\260>q\210\r?\033\241\220?\243\344*@\027Ы@\271ŗ@\262(WA\263\205\210A\204\254\020A+I\274?巓?\262\216\211?\251\303C>3Il@b\344\361@\277\300\234@\370K\225?,H/@2Ԑ@]P\206?\240c\025>\247\213g@n\364\362@\367\202\236@/nq@\345\226/@\037\273W@\211\211\t@\304\006\022@\224\203\262?'\272+@\247:\241@'5\217@\303y\360<\341\016\200?\235\255'@z\322\033AC\255\311@\n\266\220@G!\021@\023\355\277?\376\373\215@p\v\233?\257\031{>\345\221,?\217\263\321?"...
encode (symbols=0xbef4564e "\377\276\b\300\215\266\330\020\002",
data=0xbef45682 "", nbytes=0) at /root/src/wsjtx/src/lib/wsprd/fano.c:73
73 for(i=7;i>=0;i--) {
(gdb)
Continuing.
Hardware watchpoint 2: symbols
Old value = (unsigned char *) 0xbeff0000
"\362\260\200?\032~(@\r\373\323?\v\323]?\a,\260>q\210\r?\033\241\220?\243\344*@\027Ы@\271ŗ@\262(WA\263\205\210A\204\254\020A+I\274?巓?\262\216\211?\251\303C>3Il@b\344\361@\277\300\234@\370K\225?,H/@2Ԑ@]P\206?\240c\025>\247\213g@n\364\362@\367\202\236@/nq@\345\226/@\037\273W@\211\211\t@\304\006\022@\224\203\262?'\272+@\247:\241@'5\217@\303y\360<\341\016\200?\235\255'@z\322\033AC\255\311@\n\266\220@G!\021@\023\355\277?\376\373\215@p\v\233?\257\031{>\345\221,?\217\263\321?"...
New value = (unsigned char *) 0xbe000000 <error: Cannot access memory at
address 0xbe000000>
encode (symbols=0xbef4564f "\276\b\300\215\266\330\020\002", data=0xbef45682
"", nbytes=0) at /root/src/wsjtx/src/lib/wsprd/fano.c:77
77 *symbols++ = sym & 1;
(gdb)
Continuing.
Hardware watchpoint 2: symbols
Old value = (unsigned char *) 0xbe000000 <error: Cannot access memory at
address 0xbe000000>
New value = (unsigned char *) 0x0
encode (symbols=0xbef45650 "\b\300\215\266\330\020\002", data=0xbef45682 "",
nbytes=0) at /root/src/wsjtx/src/lib/wsprd/fano.c:73
73 for(i=7;i>=0;i--) {
(gdb)
Continuing.
Program received signal SIGSEGV, Segmentation fault.
0x0001b4fc in get_wspr_channel_symbols (rawmessage=0x210d8 "I2GPG JN45 33",
hashtab=0xb68dc008 "", symbols=0x0) at
/root/src/wsjtx/src/lib/wsprd/wsprsim_utils.c:309
309 symbols[i]=2*channelbits[i]+pr3[i];
(gdb)
Continuing.
Program terminated with signal SIGSEGV, Segmentation fault.
The program no longer exists.
(gdb)
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