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58 lines
1.8 KiB
58 lines
1.8 KiB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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/* |
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* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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* |
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* Amit Bhor, Sameer Dhavale: Codito Technologies 2004 |
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*/ |
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#ifndef _UAPI__ASM_ARC_PTRACE_H |
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#define _UAPI__ASM_ARC_PTRACE_H |
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#define PTRACE_GET_THREAD_AREA 25 |
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#ifndef __ASSEMBLY__ |
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/* |
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* Userspace ABI: Register state needed by |
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* -ptrace (gdbserver) |
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* -sigcontext (SA_SIGNINFO signal frame) |
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* |
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* This is to decouple pt_regs from user-space ABI, to be able to change it |
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* w/o affecting the ABI. |
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* |
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* The intermediate pad,pad2 are relics of initial layout based on pt_regs |
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* for optimizations when copying pt_regs to/from user_regs_struct. |
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* We no longer need them, but can't be changed as they are part of ABI now. |
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* |
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* Also, sigcontext only care about the scratch regs as that is what we really |
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* save/restore for signal handling. However gdb also uses the same struct |
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* hence callee regs need to be in there too. |
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*/ |
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struct user_regs_struct { |
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unsigned long pad; |
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struct { |
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unsigned long bta, lp_start, lp_end, lp_count; |
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unsigned long status32, ret, blink, fp, gp; |
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unsigned long r12, r11, r10, r9, r8, r7, r6, r5, r4, r3, r2, r1, r0; |
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unsigned long sp; |
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} scratch; |
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unsigned long pad2; |
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struct { |
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unsigned long r25, r24, r23, r22, r21, r20; |
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unsigned long r19, r18, r17, r16, r15, r14, r13; |
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} callee; |
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unsigned long efa; /* break pt addr, for break points in delay slots */ |
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unsigned long stop_pc; /* give dbg stop_pc after ensuring brkpt trap */ |
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}; |
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struct user_regs_arcv2 { |
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unsigned long r30, r58, r59; |
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}; |
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#endif /* !__ASSEMBLY__ */ |
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#endif /* _UAPI__ASM_ARC_PTRACE_H */
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