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