test/DebugInfo/2006-11-06-StackTrace.cpp

   1 // This is a regression test on debug info to make sure that we can get a
   2 // meaningful stack trace from a C++ program.
   3 // RUN: %llvmgcc -S -O0 -g %s -o - | llvm-as | llc --disable-fp-elim -o %t.s -f
   4 // RUN: as %t.s -o %t.o
   5 // RUN: %link %t.o -o %t.exe
   6 // RUN: echo {break DeepStack::deepest\nrun 17\nwhere\n} > %t.in
   7 // RUN: gdb -q -batch -n -x %t.in %t.exe | tee %t.out | \
   8 // RUN:   grep {#0  DeepStack::deepest.*(this=.*,.*x=33)}
   9 // RUN: gdb -q -batch -n -x %t.in %t.exe | \
  10 // RUN:   grep {#7  0x.* in main.*(argc=\[12\],.*argv=.*)}
  11
  12 // Only works on ppc.  Should generalize?
  13 // XFAIL: i[1-9]86|alpha|ia64|arm|x86_64|amd64
  14
  15 #include <stdlib.h>
  16
  17 class DeepStack {
  18   int seedVal;
  19 public:
  20   DeepStack(int seed) : seedVal(seed) {}
  21
  22   int shallowest( int x ) { return shallower(x + 1); }
  23   int shallower ( int x ) { return shallow(x + 2); }
  24   int shallow   ( int x ) { return deep(x + 3); }
  25   int deep      ( int x ) { return deeper(x + 4); }
  26   int deeper    ( int x ) { return deepest(x + 6); }
  27   int deepest   ( int x ) { return x + 7; }
  28
  29   int runit() { return shallowest(seedVal); }
  30 };
  31
  32 int main ( int argc, char** argv) {
  33
  34   DeepStack DS9( (argc > 1 ? atoi(argv[1]) : 0) );
  35   return DS9.runit();
  36 }