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0141927118
for NPTL where the PID is stored at userlevel and needs to be
reset when CLONE_THREAD is not used.
nptl/
* sysdeps/unix/sysv/linux/alpha/clone.S: New file.
* sysdeps/alpha/tcb-offsets.sym (TID_OFFSET): New.
15 lines
548 B
Plaintext
15 lines
548 B
Plaintext
#include <sysdep.h>
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#include <tls.h>
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--
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-- Abuse tls.h macros to derive offsets relative to the thread register.
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-- # define __builtin_thread_pointer() ((void *) 0)
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-- # define thread_offsetof(mem) ((void *) &THREAD_SELF->mem - (void *) 0)
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-- Ho hum, this doesn't work in gcc4, so Know Things about THREAD_SELF
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#define thread_offsetof(mem) (long)(offsetof(struct pthread, mem) - sizeof(struct pthread))
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MULTIPLE_THREADS_OFFSET thread_offsetof (header.multiple_threads)
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PID_OFFSET thread_offsetof (pid)
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TID_OFFSET thread_offsetof (tid)
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