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.
43 lines
829 B
C
43 lines
829 B
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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/*
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* PTRACE_GETREGS was added to the PowerPC kernel in v2.6.23,
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* we provide a slow fallback for old kernels.
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*/
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static int
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getregs_old(struct tcb *tcp)
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{
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int i;
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long r;
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if (iflag) {
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r = upeek(tcp, sizeof(long) * PT_NIP, &ppc_regs.nip);
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if (r)
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goto out;
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}
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#ifdef POWERPC64 /* else we never use it */
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r = upeek(tcp, sizeof(long) * PT_MSR, &ppc_regs.msr);
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if (r)
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goto out;
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#endif
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r = upeek(tcp, sizeof(long) * PT_CCR, &ppc_regs.ccr);
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if (r)
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goto out;
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r = upeek(tcp, sizeof(long) * PT_ORIG_R3, &ppc_regs.orig_gpr3);
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if (r)
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goto out;
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for (i = 0; i <= 8; i++) {
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r = upeek(tcp, sizeof(long) * (PT_R0 + i),
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&ppc_regs.gpr[i]);
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if (r)
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goto out;
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}
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out:
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return r;
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}
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