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aeb1f39d81
This patch adds an explicit __reserved[] field to user_fpsimd_state
to replace what was previously unnamed padding.
This ensures that data in this region are propagated across
assignment rather than being left possibly uninitialised at the
destination.
Cc: <stable@vger.kernel.org> # 3.7.x-
Fixes: 60ffc30d56 ("arm64: Exception handling")
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Acked-by: Will Deacon <Will.Deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
96 lines
2.1 KiB
C
96 lines
2.1 KiB
C
/*
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* Based on arch/arm/include/asm/ptrace.h
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*
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* Copyright (C) 1996-2003 Russell King
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* Copyright (C) 2012 ARM Ltd.
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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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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _UAPI__ASM_PTRACE_H
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#define _UAPI__ASM_PTRACE_H
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#include <linux/types.h>
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#include <asm/hwcap.h>
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/*
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* PSR bits
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*/
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#define PSR_MODE_EL0t 0x00000000
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#define PSR_MODE_EL1t 0x00000004
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#define PSR_MODE_EL1h 0x00000005
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#define PSR_MODE_EL2t 0x00000008
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#define PSR_MODE_EL2h 0x00000009
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#define PSR_MODE_EL3t 0x0000000c
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#define PSR_MODE_EL3h 0x0000000d
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#define PSR_MODE_MASK 0x0000000f
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/* AArch32 CPSR bits */
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#define PSR_MODE32_BIT 0x00000010
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/* AArch64 SPSR bits */
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#define PSR_F_BIT 0x00000040
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#define PSR_I_BIT 0x00000080
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#define PSR_A_BIT 0x00000100
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#define PSR_D_BIT 0x00000200
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#define PSR_PAN_BIT 0x00400000
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#define PSR_UAO_BIT 0x00800000
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#define PSR_Q_BIT 0x08000000
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#define PSR_V_BIT 0x10000000
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#define PSR_C_BIT 0x20000000
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#define PSR_Z_BIT 0x40000000
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#define PSR_N_BIT 0x80000000
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/*
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* Groups of PSR bits
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*/
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#define PSR_f 0xff000000 /* Flags */
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#define PSR_s 0x00ff0000 /* Status */
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#define PSR_x 0x0000ff00 /* Extension */
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#define PSR_c 0x000000ff /* Control */
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#ifndef __ASSEMBLY__
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/*
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* User structures for general purpose, floating point and debug registers.
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*/
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struct user_pt_regs {
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__u64 regs[31];
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__u64 sp;
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__u64 pc;
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__u64 pstate;
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};
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struct user_fpsimd_state {
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__uint128_t vregs[32];
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__u32 fpsr;
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__u32 fpcr;
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__u32 __reserved[2];
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};
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struct user_hwdebug_state {
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__u32 dbg_info;
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__u32 pad;
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struct {
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__u64 addr;
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__u32 ctrl;
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__u32 pad;
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} dbg_regs[16];
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};
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#endif /* __ASSEMBLY__ */
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#endif /* _UAPI__ASM_PTRACE_H */
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