some more changes

[Ulrich Drepper <drepper@cygnus.com>]

Hi,

I've checked in a number of changes.  sprof is a bit more useful since
now the DL code works and sprof writes out flat profiling information
(just like gprof).  There is a change in the setup for profiling.  I
goofed while writing the old code, we must use the profiling
relocation function for all shared object, not just the one we want to
profile.  Otherwise we'll never profile inter-module calls.

This is also led to a few more changes: in the assembler code for the
system calls in the case of PIC the locale label syscall_error is now
avoided and the stdio functions are a bit more efficient now (I've
some more changes in mind).


The dl-machine.h file for i386 changed a bit and for the other
platforms appropriate changes ust follow (the start.S file changed as
well).  Please take a look, the changes are easy.


The sigvec stuff is also reorganized.  Joe Keane sent me a patch to
simplify the code by moving the system depdendent stuff in headers.

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