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Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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* unified atomic.h compare and exchange macros
* clone.S with RESET_PID support
* sh specific versions of pread/pwrite with cancellation support
* check SHARED instead of PIC
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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Generate PIC relocations when __PIC__ is defined rather than
__HAVE_SHARED__ (like other architectures).
Signed-off-by: Peter Griffin <pgriffin@mpc-data.co.uk>
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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I attached a patch, which revise the clone.S and vfork.S:
- Use PIC code.
- include new file syscall.S, so we can simply make a branch to
__syscall_error instead of a PLT/GOT call
- call errno_location to store the syscall error (for pthreads)
- avoid to use the 'shad' statement on SH2 targets
- call fork if vfork isn't available
- some cleanups and optimization
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