mirror of
https://github.com/ioacademy-jikim/debugging
synced 2025-06-08 08:26:14 +00:00
85 lines
2.4 KiB
Plaintext
85 lines
2.4 KiB
Plaintext
# connect gdb to Valgrind gdbserver:
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target remote | ./vgdb --wait=60 --vgdb-prefix=./vgdb-prefix-mcleak
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echo vgdb launched process attached\n
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monitor v.set vgdb-error 999999
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#
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#
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# insert break:
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break breakme
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#
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# continue till each break and execute via gdb the leak search as done in the C code.
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continue
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#
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#
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# fprintf(stderr, "expecting details 10 bytes reachable\n"); fflush(stderr); breakme();
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up
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monitor leak_check full reachable any
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continue
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# VALGRIND_DO_LEAK_CHECK;
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#
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# fprintf(stderr, "expecting to have NO details\n"); fflush(stderr);
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up
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monitor leak_check full reachable increased
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continue
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# VALGRIND_DO_ADDED_LEAK_CHECK;
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#
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# b10--; // lose b10
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# b21 = malloc (21);
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# fprintf(stderr, "expecting details +10 bytes lost, +21 bytes reachable\n"); fflush(stderr); breakme();
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up
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monitor leak_check full reachable increased
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continue
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# VALGRIND_DO_ADDED_LEAK_CHECK;
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#
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# for (i = 0; i < 2; i ++)
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# b32_33[i] = malloc (32+i);
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# fprintf(stderr, "expecting details +65 bytes reachable\n"); fflush(stderr); breakme();
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up
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monitor leak_check full reachable increased
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continue
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# VALGRIND_DO_ADDED_LEAK_CHECK;
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#
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# fprintf(stderr, "expecting to have NO details\n"); fflush(stderr); breakme();
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up
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monitor leak_check full reachable increased
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continue
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# VALGRIND_DO_ADDED_LEAK_CHECK;
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#
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# b10++;
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# fprintf(stderr, "expecting details +10 bytes reachable\n"); fflush(stderr); breakme();
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up
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monitor leak_check full reachable increased
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continue
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# VALGRIND_DO_ADDED_LEAK_CHECK;
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#
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# b10--;
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# fprintf(stderr, "expecting details -10 bytes reachable, +10 bytes lost\n"); fflush(stderr); breakme();
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up
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monitor leak_check full reachable changed
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continue
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# VALGRIND_DO_CHANGED_LEAK_CHECK;
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#
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# b10++;
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# fprintf(stderr, "expecting details -10 bytes lost, +10 bytes reachable\n"); fflush(stderr); breakme();
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up
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monitor leak_check full reachable changed
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continue
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# VALGRIND_DO_CHANGED_LEAK_CHECK;
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#
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# b32_33[0]--;
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# fprintf(stderr, "expecting details 32 (+32) bytes lost, 33 (-32) bytes reachable\n"); fflush(stderr); breakme();
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up
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monitor leak_check full reachable changed
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# output all leak records:
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monitor leak_check full reachable any unlimited
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# output the 2 biggest leak records:
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monitor leak_check full reachable any limited 2
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#output the biggest leak record:
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monitor leak_check full reachable any limited 1
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# output the biggest definitely leaked record:
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monitor leak_check full definiteleak any limited 1
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continue
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# VALGRIND_DO_CHANGED_LEAK_CHECK;
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#
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quit
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