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Author SHA1 Message Date
Carlos O'Donell
131fafa7da [hppa] Fix *context stack usage for varargs 
The getcontext, and setcontext functions should
not adjust the stack, and should load the stack
pointer from the machine context. Calling makecontext
should create a frame for spilled incoming arguments,
and sync uc_stack.ss_sp to the machine context.
We do not support calling getcontext, modifying ss_sp,
and calling setcontext directly.
 2010-06-23 17:03:11 -04:00
Carlos O'Donell
40215fde03 Add unlimited argument support to makecontext() 
The initial implementation of makecontext()
supported only 8 arguments. This change adds
support for unlimited argument processing given
a large enough stack.
 2010-02-17 09:27:40 -05:00
Carlos O'Donell
5bccf60972 2008-08-07 Helge Deller <deller@gmx.de> 
* sysdeps/unix/sysv/linux/hppa/ucontext_i.sym: New file.
	* sysdeps/unix/sysv/linux/hppa/Makefile: New file.
	* sysdeps/unix/sysv/linux/hppa/getcontext.S: New file.
	* sysdeps/unix/sysv/linux/hppa/makecontext.c: New file.
	* sysdeps/unix/sysv/linux/hppa/setcontext.S: New file.
	* sysdeps/unix/sysv/linux/hppa/swapcontext.c: New file.
 2008-08-07 23:52:34 +00:00