Moved the basic syscall stuff out of m_libcbase.c into a new module
m_syscall.c.  Plus some associated cleanups.

Moved VG_(sigreturn) into m_signals.c and made it local.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3922 a5019735-40e9-0310-863c-91ae7b9d1cf9
22 files changed