nios2 fix for v4.0-rc4
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This commit is contained in:
Linus Torvalds
Коммит
5627511205
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@ -15,7 +15,54 @@
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#include <uapi/asm/ptrace.h>
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/* This struct defines the way the registers are stored on the
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stack during a system call. */
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#ifndef __ASSEMBLY__
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struct pt_regs {
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unsigned long r8; /* r8-r15 Caller-saved GP registers */
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unsigned long r9;
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unsigned long r10;
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unsigned long r11;
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unsigned long r12;
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unsigned long r13;
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unsigned long r14;
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unsigned long r15;
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unsigned long r1; /* Assembler temporary */
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unsigned long r2; /* Retval LS 32bits */
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unsigned long r3; /* Retval MS 32bits */
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unsigned long r4; /* r4-r7 Register arguments */
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unsigned long r5;
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unsigned long r6;
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unsigned long r7;
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unsigned long orig_r2; /* Copy of r2 ?? */
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unsigned long ra; /* Return address */
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unsigned long fp; /* Frame pointer */
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unsigned long sp; /* Stack pointer */
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unsigned long gp; /* Global pointer */
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unsigned long estatus;
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unsigned long ea; /* Exception return address (pc) */
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unsigned long orig_r7;
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};
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/*
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* This is the extended stack used by signal handlers and the context
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* switcher: it's pushed after the normal "struct pt_regs".
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*/
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struct switch_stack {
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unsigned long r16; /* r16-r23 Callee-saved GP registers */
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unsigned long r17;
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unsigned long r18;
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unsigned long r19;
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unsigned long r20;
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unsigned long r21;
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unsigned long r22;
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unsigned long r23;
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unsigned long fp;
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unsigned long gp;
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unsigned long ra;
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};
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#define user_mode(regs) (((regs)->estatus & ESTATUS_EU))
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#define instruction_pointer(regs) ((regs)->ra)
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@ -1,32 +0,0 @@
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/*
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* Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
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* Copyright (C) 2004 Microtronix Datacom Ltd
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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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#ifndef _ASM_NIOS2_UCONTEXT_H
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#define _ASM_NIOS2_UCONTEXT_H
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typedef int greg_t;
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#define NGREG 32
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typedef greg_t gregset_t[NGREG];
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struct mcontext {
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int version;
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gregset_t gregs;
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};
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#define MCONTEXT_VERSION 2
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struct ucontext {
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unsigned long uc_flags;
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struct ucontext *uc_link;
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stack_t uc_stack;
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struct mcontext uc_mcontext;
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sigset_t uc_sigmask; /* mask last for extensibility */
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};
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#endif
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@ -2,3 +2,5 @@ include include/uapi/asm-generic/Kbuild.asm
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header-y += elf.h
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header-y += ucontext.h
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generic-y += ucontext.h
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@ -50,9 +50,7 @@
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typedef unsigned long elf_greg_t;
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#define ELF_NGREG \
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((sizeof(struct pt_regs) + sizeof(struct switch_stack)) / \
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sizeof(elf_greg_t))
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#define ELF_NGREG 49
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typedef elf_greg_t elf_gregset_t[ELF_NGREG];
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typedef unsigned long elf_fpregset_t;
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@ -67,53 +67,9 @@
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#define NUM_PTRACE_REG (PTR_TLBMISC + 1)
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/* this struct defines the way the registers are stored on the
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stack during a system call.
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There is a fake_regs in setup.c that has to match pt_regs.*/
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struct pt_regs {
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unsigned long r8; /* r8-r15 Caller-saved GP registers */
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unsigned long r9;
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unsigned long r10;
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unsigned long r11;
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unsigned long r12;
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unsigned long r13;
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unsigned long r14;
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unsigned long r15;
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unsigned long r1; /* Assembler temporary */
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unsigned long r2; /* Retval LS 32bits */
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unsigned long r3; /* Retval MS 32bits */
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unsigned long r4; /* r4-r7 Register arguments */
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unsigned long r5;
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unsigned long r6;
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unsigned long r7;
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unsigned long orig_r2; /* Copy of r2 ?? */
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unsigned long ra; /* Return address */
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unsigned long fp; /* Frame pointer */
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unsigned long sp; /* Stack pointer */
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unsigned long gp; /* Global pointer */
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unsigned long estatus;
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unsigned long ea; /* Exception return address (pc) */
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unsigned long orig_r7;
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};
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/*
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* This is the extended stack used by signal handlers and the context
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* switcher: it's pushed after the normal "struct pt_regs".
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*/
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struct switch_stack {
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unsigned long r16; /* r16-r23 Callee-saved GP registers */
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unsigned long r17;
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unsigned long r18;
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unsigned long r19;
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unsigned long r20;
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unsigned long r21;
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unsigned long r22;
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unsigned long r23;
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unsigned long fp;
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unsigned long gp;
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unsigned long ra;
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/* User structures for general purpose registers. */
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struct user_pt_regs {
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__u32 regs[49];
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};
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#endif /* __ASSEMBLY__ */
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@ -15,14 +15,16 @@
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* details.
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*/
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#ifndef _ASM_NIOS2_SIGCONTEXT_H
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#define _ASM_NIOS2_SIGCONTEXT_H
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#ifndef _UAPI__ASM_SIGCONTEXT_H
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#define _UAPI__ASM_SIGCONTEXT_H
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#include <asm/ptrace.h>
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#include <linux/types.h>
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#define MCONTEXT_VERSION 2
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struct sigcontext {
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struct pt_regs regs;
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unsigned long sc_mask; /* old sigmask */
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int version;
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unsigned long gregs[32];
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};
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#endif
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@ -39,7 +39,7 @@ static inline int rt_restore_ucontext(struct pt_regs *regs,
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struct ucontext *uc, int *pr2)
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{
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int temp;
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greg_t *gregs = uc->uc_mcontext.gregs;
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unsigned long *gregs = uc->uc_mcontext.gregs;
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int err;
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/* Always make any pending restarted system calls return -EINTR */
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@ -127,7 +127,7 @@ badframe:
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static inline int rt_setup_ucontext(struct ucontext *uc, struct pt_regs *regs)
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{
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struct switch_stack *sw = (struct switch_stack *)regs - 1;
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greg_t *gregs = uc->uc_mcontext.gregs;
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unsigned long *gregs = uc->uc_mcontext.gregs;
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int err = 0;
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err |= __put_user(MCONTEXT_VERSION, &uc->uc_mcontext.version);
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