Dmitry V. Levin
92e347b556
We do our best to keep copyright headers up to date, yet git history provides better information on this subject and is more accurate than copyright headers.
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/*
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* Copyright (c) 2015-2018 The strace developers.
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* All rights reserved.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*/
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#ifndef SIZEOF_STRUCT_SPARC_STACKF
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# define SIZEOF_STRUCT_SPARC_STACKF sizeof(struct sparc_stackf)
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#endif
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#ifndef SIZEOF_STRUCT_PT_REGS
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# define SIZEOF_STRUCT_PT_REGS sizeof(struct pt_regs)
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#endif
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#ifndef PERSONALITY_WORDSIZE
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# define PERSONALITY_WORDSIZE PERSONALITY0_WORDSIZE
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#endif
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static void
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arch_sigreturn(struct tcb *tcp)
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{
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kernel_ulong_t addr;
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if (!get_stack_pointer(tcp, &addr))
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return;
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addr += SIZEOF_STRUCT_SPARC_STACKF + SIZEOF_STRUCT_PT_REGS;
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struct {
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unsigned int mask;
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char fpu_save[PERSONALITY_WORDSIZE];
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char insns[PERSONALITY_WORDSIZE * 2] ATTRIBUTE_ALIGNED(8);
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unsigned int extramask[NSIG_BYTES / sizeof(int) - 1];
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} frame;
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if (!umove_or_printaddr(tcp, addr, &frame)) {
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unsigned int mask[NSIG_BYTES / sizeof(int)];
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mask[0] = frame.mask;
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memcpy(mask + 1, frame.extramask, sizeof(frame.extramask));
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tprintsigmask_addr("{mask=", mask);
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tprints("}");
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}
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}
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#undef PERSONALITY_WORDSIZE
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#undef SIZEOF_STRUCT_PT_REGS
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#undef SIZEOF_STRUCT_SPARC_STACKF
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