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29c4dfd92e
The non-rt signal handling was never really used, so we don't break anything. This patch also cleans up the signal stack-frame to make it independent from the processor configuration. It also improves the method used for controlling single-stepping. We now save and restore the 'icountlevel' register that controls single stepping and set or clear the saved state to enable or disable it. Signed-off-by: Chris Zankel <chris@zankel.net>
31 lines
646 B
C
31 lines
646 B
C
/*
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* include/asm-xtensa/sigcontext.h
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2001 - 2007 Tensilica Inc.
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*/
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#ifndef _XTENSA_SIGCONTEXT_H
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#define _XTENSA_SIGCONTEXT_H
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struct sigcontext {
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unsigned long oldmask;
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/* CPU registers */
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unsigned long sc_pc;
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unsigned long sc_ps;
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unsigned long sc_lbeg;
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unsigned long sc_lend;
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unsigned long sc_lcount;
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unsigned long sc_sar;
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unsigned long sc_acclo;
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unsigned long sc_acchi;
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unsigned long sc_a[16];
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};
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#endif /* _XTENSA_SIGCONTEXT_H */
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