[Bug gprof/2704] New: Should gprof -l -A work with languages other than C? Where is this documented?

[paul dot leopardi at usyd dot edu dot au]

The documentation for GNU gprof 2.16.1, eg. the info page "5.4 The Annotated 
Source Listing", gives an example of annotated C source with line-by-line 
execution information from basic block counting. From the documentation it is 
unclear whether this should work with  compilers for other languages, eg. g77, 
g95. 
 
If I compile, execute and profile a Fortran program, test.f90 using 
g95 -g -pg test.f90 
 ./a.out 
 gprof -l -A ./a.out 
it reports that only the first line of each function has executed. 
 
For example, 
 
       29328 ->       function ranorm() 
                      real rand 
                      a=0. 
                      do 999 ii=1,16 
                      call random_number(rand) 
                  999 a=rand+a 
                      a = a-8.0 
                      a = a*0.866 
                      ranorm=a 
                      call random_number(rand) 
                      a=rand 
                      return 
                      end 
 
Using 
 gprof -l -A -x ./a.out 
reports that each line of a function has the executions the same number of 
times, regardless of loops.  
 
For example, 
 
       29328 ->       function ranorm() 
                      real rand 
       29328 ->       a=0. 
       29328 ->       do 999 ii=1,16 
       29328 ->       call random_number(rand) 
       29328 ->   999 a=rand+a 
       29328 ->       a = a-8.0 
       29328 ->       a = a*0.866 
       29328 ->       ranorm=a 
       29328 ->       call random_number(rand) 
       29328 ->       a=rand 
                      return 
                      end 
 
The version of g95 used in these examples is  
gcc version 4.0.3 (g95!) May  2 2006 
 
I can post other examples if necessary.

-- 
           Summary: Should gprof -l -A work with languages other than C?
                    Where is this documented?
           Product: binutils
           Version: 2.16
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gprof
        AssignedTo: unassigned at sources dot redhat dot com
        ReportedBy: paul dot leopardi at usyd dot edu dot au
                CC: bug-binutils at gnu dot org
  GCC host triplet: i386-redhat-linux


http://sourceware.org/bugzilla/show_bug.cgi?id=2704

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