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Setjmp was only saving the lower order of registers (a0-a3) correctly, but
not the higher ones (a4-a8/a12).
The change also includes additional information, and renames many of the
registers, so that setjmp and longjmp look more like the inverse of
each other.
Signed-off-by: Chris Zankel <chris@zankel.net>
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This matches a similar change made to glibc.
No functional changes here.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Chris Zankel <chris@zankel.net>
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Closes issue #5194
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The following patches add support for the Xtensa processor architecture
to uClibc. They are based on a recent SVN checkout (12/05/2007).
The first patch (attached to this post) adds Xtensa support to various
shared configuration and make files. The following patches then include
the Xtensa specific files and directories.
I welcome any feedback and would appreciate it if you could include the
patches into the mainline tree. I am certainly committed to maintain the port.
Bob Wilson was kind enough to review the patches.
Some notes about the architecture: Xtensa is a configurable and
extensible processor architecture developed by Tensilica. For more
information, please visit: www.linux-xtensa.org.
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