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e4f2006f12
We can move the INSN_LDI_R20 instruction into the branch delay slot. Signed-off-by: Helge Deller <deller@gmx.de>
24 lines
745 B
C
24 lines
745 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_PARISC_RT_SIGFRAME_H
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#define _ASM_PARISC_RT_SIGFRAME_H
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#define SIGRETURN_TRAMP 3
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#define SIGRESTARTBLOCK_TRAMP 5
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#define TRAMP_SIZE (SIGRETURN_TRAMP + SIGRESTARTBLOCK_TRAMP)
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struct rt_sigframe {
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/* XXX: Must match trampoline size in arch/parisc/kernel/signal.c
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Secondary to that it must protect the ERESTART_RESTARTBLOCK
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trampoline we left on the stack (we were bad and didn't
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change sp so we could run really fast.) */
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unsigned int tramp[TRAMP_SIZE];
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struct siginfo info;
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struct ucontext uc;
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};
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#define SIGFRAME 128
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#define FUNCTIONCALLFRAME 96
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#define PARISC_RT_SIGFRAME_SIZE \
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(((sizeof(struct rt_sigframe) + FUNCTIONCALLFRAME) + SIGFRAME) & -SIGFRAME)
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#endif
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