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UAPI: (Scripted) Disintegrate arch/xtensa/include/asm Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/*
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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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/*
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* Kernel stack
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*
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* +-----------------------+ -------- STACK_SIZE
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* | register file | |
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* +-----------------------+ |
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* | struct pt_regs | |
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* +-----------------------+ | ------ PT_REGS_OFFSET
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* double : 16 bytes spill area : | ^
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* excetion :- - - - - - - - - - - -: | |
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* frame : struct pt_regs : | |
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* :- - - - - - - - - - - -: | |
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* | | | |
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* | memory stack | | |
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* | | | |
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* ~ ~ ~ ~
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* ~ ~ ~ ~
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* | | | |
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* | | | |
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* +-----------------------+ | | --- STACK_BIAS
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* | struct task_struct | | | ^
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* current --> +-----------------------+ | | |
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* | struct thread_info | | | |
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* +-----------------------+ --------
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*/
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#define KERNEL_STACK_SIZE (2 * PAGE_SIZE)
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/* Offsets for exception_handlers[] (3 x 64-entries x 4-byte tables). */
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#define EXC_TABLE_KSTK 0x004 /* Kernel Stack */
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#define EXC_TABLE_DOUBLE_SAVE 0x008 /* Double exception save area for a0 */
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#define EXC_TABLE_FIXUP 0x00c /* Fixup handler */
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#define EXC_TABLE_PARAM 0x010 /* For passing a parameter to fixup */
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#define EXC_TABLE_SYSCALL_SAVE 0x014 /* For fast syscall handler */
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#define EXC_TABLE_FAST_USER 0x100 /* Fast user exception handler */
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#define EXC_TABLE_FAST_KERNEL 0x200 /* Fast kernel exception handler */
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#define EXC_TABLE_DEFAULT 0x300 /* Default C-Handler */
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#define EXC_TABLE_SIZE 0x400
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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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#endif /* _UAPI_XTENSA_PTRACE_H */
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