linux/arch/csky/kernel/asm-offsets.c
Arnd Bergmann 967747bbc0 uaccess: remove CONFIG_SET_FS
There are no remaining callers of set_fs(), so CONFIG_SET_FS
can be removed globally, along with the thread_info field and
any references to it.

This turns access_ok() into a cheaper check against TASK_SIZE_MAX.

As CONFIG_SET_FS is now gone, drop all remaining references to
set_fs()/get_fs(), mm_segment_t, user_addr_max() and uaccess_kernel().

Acked-by: Sam Ravnborg <sam@ravnborg.org> # for sparc32 changes
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Tested-by: Sergey Matyukevich <sergey.matyukevich@synopsys.com> # for arc changes
Acked-by: Stafford Horne <shorne@gmail.com> # [openrisc, asm-generic]
Acked-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-02-25 09:36:06 +01:00

84 lines
3.9 KiB
C

// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
#include <linux/sched.h>
#include <linux/kernel_stat.h>
#include <linux/kbuild.h>
#include <abi/regdef.h>
int main(void)
{
/* offsets into the task struct */
DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack));
DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
DEFINE(TASK_MM, offsetof(struct task_struct, mm));
DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
/* offsets into the thread struct */
DEFINE(THREAD_KSP, offsetof(struct thread_struct, sp));
DEFINE(THREAD_FESR, offsetof(struct thread_struct, user_fp.fesr));
DEFINE(THREAD_FCR, offsetof(struct thread_struct, user_fp.fcr));
DEFINE(THREAD_FPREG, offsetof(struct thread_struct, user_fp.vr));
/* offsets into the thread_info struct */
DEFINE(TINFO_FLAGS, offsetof(struct thread_info, flags));
DEFINE(TINFO_PREEMPT, offsetof(struct thread_info, preempt_count));
DEFINE(TINFO_TP_VALUE, offsetof(struct thread_info, tp_value));
DEFINE(TINFO_TASK, offsetof(struct thread_info, task));
/* offsets into the pt_regs */
DEFINE(PT_PC, offsetof(struct pt_regs, pc));
DEFINE(PT_ORIG_AO, offsetof(struct pt_regs, orig_a0));
DEFINE(PT_SR, offsetof(struct pt_regs, sr));
DEFINE(PT_A0, offsetof(struct pt_regs, a0));
DEFINE(PT_A1, offsetof(struct pt_regs, a1));
DEFINE(PT_A2, offsetof(struct pt_regs, a2));
DEFINE(PT_A3, offsetof(struct pt_regs, a3));
DEFINE(PT_REGS0, offsetof(struct pt_regs, regs[0]));
DEFINE(PT_REGS1, offsetof(struct pt_regs, regs[1]));
DEFINE(PT_REGS2, offsetof(struct pt_regs, regs[2]));
DEFINE(PT_REGS3, offsetof(struct pt_regs, regs[3]));
DEFINE(PT_REGS4, offsetof(struct pt_regs, regs[4]));
DEFINE(PT_REGS5, offsetof(struct pt_regs, regs[5]));
DEFINE(PT_REGS6, offsetof(struct pt_regs, regs[6]));
DEFINE(PT_REGS7, offsetof(struct pt_regs, regs[7]));
DEFINE(PT_REGS8, offsetof(struct pt_regs, regs[8]));
DEFINE(PT_REGS9, offsetof(struct pt_regs, regs[9]));
DEFINE(PT_R15, offsetof(struct pt_regs, lr));
#if defined(__CSKYABIV2__)
DEFINE(PT_R16, offsetof(struct pt_regs, exregs[0]));
DEFINE(PT_R17, offsetof(struct pt_regs, exregs[1]));
DEFINE(PT_R18, offsetof(struct pt_regs, exregs[2]));
DEFINE(PT_R19, offsetof(struct pt_regs, exregs[3]));
DEFINE(PT_R20, offsetof(struct pt_regs, exregs[4]));
DEFINE(PT_R21, offsetof(struct pt_regs, exregs[5]));
DEFINE(PT_R22, offsetof(struct pt_regs, exregs[6]));
DEFINE(PT_R23, offsetof(struct pt_regs, exregs[7]));
DEFINE(PT_R24, offsetof(struct pt_regs, exregs[8]));
DEFINE(PT_R25, offsetof(struct pt_regs, exregs[9]));
DEFINE(PT_R26, offsetof(struct pt_regs, exregs[10]));
DEFINE(PT_R27, offsetof(struct pt_regs, exregs[11]));
DEFINE(PT_R28, offsetof(struct pt_regs, exregs[12]));
DEFINE(PT_R29, offsetof(struct pt_regs, exregs[13]));
DEFINE(PT_R30, offsetof(struct pt_regs, exregs[14]));
DEFINE(PT_R31, offsetof(struct pt_regs, exregs[15]));
DEFINE(PT_RHI, offsetof(struct pt_regs, rhi));
DEFINE(PT_RLO, offsetof(struct pt_regs, rlo));
#endif
DEFINE(PT_USP, offsetof(struct pt_regs, usp));
DEFINE(PT_FRAME_SIZE, sizeof(struct pt_regs));
/* offsets into the irq_cpustat_t struct */
DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t,
__softirq_pending));
/* signal defines */
DEFINE(SIGSEGV, SIGSEGV);
DEFINE(SIGTRAP, SIGTRAP);
return 0;
}