| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| /* |
| * 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 */ |
| }; |
| |
| struct user_regs_arcv2 { |
| unsigned long r30, r58, r59; |
| }; |
| |
| #endif /* !__ASSEMBLY__ */ |
| |
| #endif /* _UAPI__ASM_ARC_PTRACE_H */ |
