bcd4933a23
Implement setup_{,rt_}frame and do_{,rt_}sigreturn for PPC 32-bit. Use
the same TARGET_QEMU_ESIGRETURN hack as for MIPS to avoid clobbering
register state on a sigreturn.
Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: malc <av1474@comtv.ru>
66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
/*
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* PPC emulation for qemu: syscall definitions.
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*
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* Copyright (c) 2003 Jocelyn Mayer
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
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*/
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/* XXX: ABSOLUTELY BUGGY:
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* for now, this is quite just a cut-and-paste from i386 target...
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*/
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/* default linux values for the selectors */
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#define __USER_DS (1)
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struct target_pt_regs {
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abi_ulong gpr[32];
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abi_ulong nip;
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abi_ulong msr;
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abi_ulong orig_gpr3; /* Used for restarting system calls */
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abi_ulong ctr;
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abi_ulong link;
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abi_ulong xer;
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abi_ulong ccr;
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#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
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abi_ulong softe;
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#else
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abi_ulong mq; /* 601 only (not used at present) */
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#endif
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/* Used on APUS to hold IPL value. */
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abi_ulong trap; /* Reason for being here */
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abi_ulong dar; /* Fault registers */
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abi_ulong dsisr;
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abi_ulong result; /* Result of a system call */
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};
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/* ioctls */
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struct target_revectored_struct {
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abi_ulong __map[8]; /* 256 bits */
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};
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/* Nasty hack: define a fake errno value for use by sigreturn. */
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#define TARGET_QEMU_ESIGRETURN 255
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/*
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* flags masks
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*/
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#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
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#define UNAME_MACHINE "ppc64"
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#else
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#define UNAME_MACHINE "ppc"
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#endif
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