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e3ddb8bbe0
Define ELFOSABI_XTENSA_FDPIC and use it as an OSABI tag in the ELF header to distinguish FDPIC ELF files from regular ELF files. Define ELF_FDPIC_PLAT_INIT and put executable map, interpreter map and executable dynamic section addresses into registers a4..a6. Update start_thread macro to preserve register values in the current register window. Add definitions for PTRACE_GETFDPIC, PTRACE_GETFDPIC_EXEC and PTRACE_GETFDPIC_INTERP. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
64 lines
1.3 KiB
C
64 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* include/asm-xtensa/ptrace.h
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2001 - 2005 Tensilica Inc.
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*/
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#ifndef _UAPI_XTENSA_PTRACE_H
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#define _UAPI_XTENSA_PTRACE_H
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#include <linux/types.h>
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/* Registers used by strace */
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#define REG_A_BASE 0x0000
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#define REG_AR_BASE 0x0100
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#define REG_PC 0x0020
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#define REG_PS 0x02e6
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#define REG_WB 0x0248
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#define REG_WS 0x0249
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#define REG_LBEG 0x0200
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#define REG_LEND 0x0201
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#define REG_LCOUNT 0x0202
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#define REG_SAR 0x0203
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#define SYSCALL_NR 0x00ff
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/* Other PTRACE_ values defined in <linux/ptrace.h> using values 0-9,16,17,24 */
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#define PTRACE_GETREGS 12
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#define PTRACE_SETREGS 13
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#define PTRACE_GETXTREGS 18
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#define PTRACE_SETXTREGS 19
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#define PTRACE_GETHBPREGS 20
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#define PTRACE_SETHBPREGS 21
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#define PTRACE_GETFDPIC 22
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#define PTRACE_GETFDPIC_EXEC 0
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#define PTRACE_GETFDPIC_INTERP 1
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#ifndef __ASSEMBLY__
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struct user_pt_regs {
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__u32 pc;
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__u32 ps;
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__u32 lbeg;
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__u32 lend;
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__u32 lcount;
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__u32 sar;
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__u32 windowstart;
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__u32 windowbase;
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__u32 threadptr;
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__u32 syscall;
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__u32 reserved[6 + 48];
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__u32 a[64];
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};
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#endif
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#endif /* _UAPI_XTENSA_PTRACE_H */
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