323 lines
11 KiB
C
323 lines
11 KiB
C
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/*
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* Copyright (C) 2012 Regents of the University of California
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* Copyright (C) 2017 SiFive
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, version 2.
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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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#define GENERATING_ASM_OFFSETS
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#include <linux/kbuild.h>
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#include <linux/sched.h>
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#include <asm/thread_info.h>
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#include <asm/ptrace.h>
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void asm_offsets(void)
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{
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OFFSET(TASK_THREAD_RA, task_struct, thread.ra);
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OFFSET(TASK_THREAD_SP, task_struct, thread.sp);
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OFFSET(TASK_THREAD_S0, task_struct, thread.s[0]);
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OFFSET(TASK_THREAD_S1, task_struct, thread.s[1]);
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OFFSET(TASK_THREAD_S2, task_struct, thread.s[2]);
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OFFSET(TASK_THREAD_S3, task_struct, thread.s[3]);
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OFFSET(TASK_THREAD_S4, task_struct, thread.s[4]);
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OFFSET(TASK_THREAD_S5, task_struct, thread.s[5]);
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OFFSET(TASK_THREAD_S6, task_struct, thread.s[6]);
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OFFSET(TASK_THREAD_S7, task_struct, thread.s[7]);
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OFFSET(TASK_THREAD_S8, task_struct, thread.s[8]);
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OFFSET(TASK_THREAD_S9, task_struct, thread.s[9]);
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OFFSET(TASK_THREAD_S10, task_struct, thread.s[10]);
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OFFSET(TASK_THREAD_S11, task_struct, thread.s[11]);
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OFFSET(TASK_THREAD_SP, task_struct, thread.sp);
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OFFSET(TASK_STACK, task_struct, stack);
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OFFSET(TASK_TI, task_struct, thread_info);
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OFFSET(TASK_TI_FLAGS, task_struct, thread_info.flags);
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OFFSET(TASK_TI_KERNEL_SP, task_struct, thread_info.kernel_sp);
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OFFSET(TASK_TI_USER_SP, task_struct, thread_info.user_sp);
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OFFSET(TASK_TI_CPU, task_struct, thread_info.cpu);
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OFFSET(TASK_THREAD_F0, task_struct, thread.fstate.f[0]);
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OFFSET(TASK_THREAD_F1, task_struct, thread.fstate.f[1]);
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OFFSET(TASK_THREAD_F2, task_struct, thread.fstate.f[2]);
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OFFSET(TASK_THREAD_F3, task_struct, thread.fstate.f[3]);
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OFFSET(TASK_THREAD_F4, task_struct, thread.fstate.f[4]);
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OFFSET(TASK_THREAD_F5, task_struct, thread.fstate.f[5]);
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OFFSET(TASK_THREAD_F6, task_struct, thread.fstate.f[6]);
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OFFSET(TASK_THREAD_F7, task_struct, thread.fstate.f[7]);
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OFFSET(TASK_THREAD_F8, task_struct, thread.fstate.f[8]);
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OFFSET(TASK_THREAD_F9, task_struct, thread.fstate.f[9]);
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OFFSET(TASK_THREAD_F10, task_struct, thread.fstate.f[10]);
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OFFSET(TASK_THREAD_F11, task_struct, thread.fstate.f[11]);
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OFFSET(TASK_THREAD_F12, task_struct, thread.fstate.f[12]);
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OFFSET(TASK_THREAD_F13, task_struct, thread.fstate.f[13]);
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OFFSET(TASK_THREAD_F14, task_struct, thread.fstate.f[14]);
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OFFSET(TASK_THREAD_F15, task_struct, thread.fstate.f[15]);
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OFFSET(TASK_THREAD_F16, task_struct, thread.fstate.f[16]);
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OFFSET(TASK_THREAD_F17, task_struct, thread.fstate.f[17]);
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OFFSET(TASK_THREAD_F18, task_struct, thread.fstate.f[18]);
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OFFSET(TASK_THREAD_F19, task_struct, thread.fstate.f[19]);
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OFFSET(TASK_THREAD_F20, task_struct, thread.fstate.f[20]);
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OFFSET(TASK_THREAD_F21, task_struct, thread.fstate.f[21]);
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OFFSET(TASK_THREAD_F22, task_struct, thread.fstate.f[22]);
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OFFSET(TASK_THREAD_F23, task_struct, thread.fstate.f[23]);
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OFFSET(TASK_THREAD_F24, task_struct, thread.fstate.f[24]);
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OFFSET(TASK_THREAD_F25, task_struct, thread.fstate.f[25]);
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OFFSET(TASK_THREAD_F26, task_struct, thread.fstate.f[26]);
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OFFSET(TASK_THREAD_F27, task_struct, thread.fstate.f[27]);
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OFFSET(TASK_THREAD_F28, task_struct, thread.fstate.f[28]);
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OFFSET(TASK_THREAD_F29, task_struct, thread.fstate.f[29]);
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OFFSET(TASK_THREAD_F30, task_struct, thread.fstate.f[30]);
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OFFSET(TASK_THREAD_F31, task_struct, thread.fstate.f[31]);
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OFFSET(TASK_THREAD_FCSR, task_struct, thread.fstate.fcsr);
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DEFINE(PT_SIZE, sizeof(struct pt_regs));
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OFFSET(PT_SEPC, pt_regs, sepc);
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OFFSET(PT_RA, pt_regs, ra);
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OFFSET(PT_FP, pt_regs, s0);
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OFFSET(PT_S0, pt_regs, s0);
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OFFSET(PT_S1, pt_regs, s1);
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OFFSET(PT_S2, pt_regs, s2);
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OFFSET(PT_S3, pt_regs, s3);
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OFFSET(PT_S4, pt_regs, s4);
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OFFSET(PT_S5, pt_regs, s5);
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OFFSET(PT_S6, pt_regs, s6);
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OFFSET(PT_S7, pt_regs, s7);
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OFFSET(PT_S8, pt_regs, s8);
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OFFSET(PT_S9, pt_regs, s9);
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OFFSET(PT_S10, pt_regs, s10);
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OFFSET(PT_S11, pt_regs, s11);
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OFFSET(PT_SP, pt_regs, sp);
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OFFSET(PT_TP, pt_regs, tp);
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OFFSET(PT_A0, pt_regs, a0);
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OFFSET(PT_A1, pt_regs, a1);
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OFFSET(PT_A2, pt_regs, a2);
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OFFSET(PT_A3, pt_regs, a3);
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OFFSET(PT_A4, pt_regs, a4);
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OFFSET(PT_A5, pt_regs, a5);
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OFFSET(PT_A6, pt_regs, a6);
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OFFSET(PT_A7, pt_regs, a7);
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OFFSET(PT_T0, pt_regs, t0);
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OFFSET(PT_T1, pt_regs, t1);
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OFFSET(PT_T2, pt_regs, t2);
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OFFSET(PT_T3, pt_regs, t3);
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OFFSET(PT_T4, pt_regs, t4);
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OFFSET(PT_T5, pt_regs, t5);
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OFFSET(PT_T6, pt_regs, t6);
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OFFSET(PT_GP, pt_regs, gp);
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OFFSET(PT_ORIG_A0, pt_regs, orig_a0);
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OFFSET(PT_SSTATUS, pt_regs, sstatus);
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OFFSET(PT_SBADADDR, pt_regs, sbadaddr);
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OFFSET(PT_SCAUSE, pt_regs, scause);
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/*
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* THREAD_{F,X}* might be larger than a S-type offset can handle, but
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* these are used in performance-sensitive assembly so we can't resort
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* to loading the long immediate every time.
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*/
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DEFINE(TASK_THREAD_RA_RA,
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offsetof(struct task_struct, thread.ra)
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- offsetof(struct task_struct, thread.ra)
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);
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DEFINE(TASK_THREAD_SP_RA,
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offsetof(struct task_struct, thread.sp)
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- offsetof(struct task_struct, thread.ra)
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);
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DEFINE(TASK_THREAD_S0_RA,
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offsetof(struct task_struct, thread.s[0])
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- offsetof(struct task_struct, thread.ra)
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);
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DEFINE(TASK_THREAD_S1_RA,
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offsetof(struct task_struct, thread.s[1])
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- offsetof(struct task_struct, thread.ra)
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);
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DEFINE(TASK_THREAD_S2_RA,
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offsetof(struct task_struct, thread.s[2])
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- offsetof(struct task_struct, thread.ra)
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);
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DEFINE(TASK_THREAD_S3_RA,
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offsetof(struct task_struct, thread.s[3])
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- offsetof(struct task_struct, thread.ra)
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);
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DEFINE(TASK_THREAD_S4_RA,
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offsetof(struct task_struct, thread.s[4])
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- offsetof(struct task_struct, thread.ra)
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);
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DEFINE(TASK_THREAD_S5_RA,
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offsetof(struct task_struct, thread.s[5])
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- offsetof(struct task_struct, thread.ra)
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);
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DEFINE(TASK_THREAD_S6_RA,
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offsetof(struct task_struct, thread.s[6])
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- offsetof(struct task_struct, thread.ra)
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);
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DEFINE(TASK_THREAD_S7_RA,
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offsetof(struct task_struct, thread.s[7])
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- offsetof(struct task_struct, thread.ra)
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);
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DEFINE(TASK_THREAD_S8_RA,
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offsetof(struct task_struct, thread.s[8])
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- offsetof(struct task_struct, thread.ra)
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);
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DEFINE(TASK_THREAD_S9_RA,
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offsetof(struct task_struct, thread.s[9])
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- offsetof(struct task_struct, thread.ra)
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);
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DEFINE(TASK_THREAD_S10_RA,
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offsetof(struct task_struct, thread.s[10])
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- offsetof(struct task_struct, thread.ra)
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);
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DEFINE(TASK_THREAD_S11_RA,
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offsetof(struct task_struct, thread.s[11])
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- offsetof(struct task_struct, thread.ra)
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);
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DEFINE(TASK_THREAD_F0_F0,
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offsetof(struct task_struct, thread.fstate.f[0])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F1_F0,
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offsetof(struct task_struct, thread.fstate.f[1])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F2_F0,
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offsetof(struct task_struct, thread.fstate.f[2])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F3_F0,
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offsetof(struct task_struct, thread.fstate.f[3])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F4_F0,
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offsetof(struct task_struct, thread.fstate.f[4])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F5_F0,
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offsetof(struct task_struct, thread.fstate.f[5])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F6_F0,
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offsetof(struct task_struct, thread.fstate.f[6])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F7_F0,
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offsetof(struct task_struct, thread.fstate.f[7])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F8_F0,
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offsetof(struct task_struct, thread.fstate.f[8])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F9_F0,
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offsetof(struct task_struct, thread.fstate.f[9])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F10_F0,
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offsetof(struct task_struct, thread.fstate.f[10])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F11_F0,
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offsetof(struct task_struct, thread.fstate.f[11])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F12_F0,
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offsetof(struct task_struct, thread.fstate.f[12])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F13_F0,
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offsetof(struct task_struct, thread.fstate.f[13])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F14_F0,
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offsetof(struct task_struct, thread.fstate.f[14])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F15_F0,
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offsetof(struct task_struct, thread.fstate.f[15])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F16_F0,
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offsetof(struct task_struct, thread.fstate.f[16])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F17_F0,
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offsetof(struct task_struct, thread.fstate.f[17])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F18_F0,
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offsetof(struct task_struct, thread.fstate.f[18])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F19_F0,
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offsetof(struct task_struct, thread.fstate.f[19])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F20_F0,
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offsetof(struct task_struct, thread.fstate.f[20])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F21_F0,
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offsetof(struct task_struct, thread.fstate.f[21])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F22_F0,
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offsetof(struct task_struct, thread.fstate.f[22])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F23_F0,
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offsetof(struct task_struct, thread.fstate.f[23])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F24_F0,
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offsetof(struct task_struct, thread.fstate.f[24])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F25_F0,
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offsetof(struct task_struct, thread.fstate.f[25])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F26_F0,
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offsetof(struct task_struct, thread.fstate.f[26])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F27_F0,
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offsetof(struct task_struct, thread.fstate.f[27])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F28_F0,
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offsetof(struct task_struct, thread.fstate.f[28])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F29_F0,
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offsetof(struct task_struct, thread.fstate.f[29])
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- offsetof(struct task_struct, thread.fstate.f[0])
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);
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DEFINE(TASK_THREAD_F30_F0,
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|
|
offsetof(struct task_struct, thread.fstate.f[30])
|
||
|
|
- offsetof(struct task_struct, thread.fstate.f[0])
|
||
|
|
);
|
||
|
|
DEFINE(TASK_THREAD_F31_F0,
|
||
|
|
offsetof(struct task_struct, thread.fstate.f[31])
|
||
|
|
- offsetof(struct task_struct, thread.fstate.f[0])
|
||
|
|
);
|
||
|
|
DEFINE(TASK_THREAD_FCSR_F0,
|
||
|
|
offsetof(struct task_struct, thread.fstate.fcsr)
|
||
|
|
- offsetof(struct task_struct, thread.fstate.f[0])
|
||
|
|
);
|
||
|
|
|
||
|
|
/* The assembler needs access to THREAD_SIZE as well. */
|
||
|
|
DEFINE(ASM_THREAD_SIZE, THREAD_SIZE);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* We allocate a pt_regs on the stack when entering the kernel. This
|
||
|
|
* ensures the alignment is sane.
|
||
|
|
*/
|
||
|
|
DEFINE(PT_SIZE_ON_STACK, ALIGN(sizeof(struct pt_regs), STACK_ALIGN));
|
||
|
|
}
|