cregit-Linux how code gets into the kernel

Release 4.7 arch/score/kernel/asm-offsets.c

/*
 * arch/score/kernel/asm-offsets.c
 *
 * Score Processor version.
 *
 * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
 *  Chen Liqin <liqin.chen@sunplusct.com>
 *  Lennox Wu <lennox.wu@sunplusct.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see the file COPYING, or write
 * to the Free Software Foundation, Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include <linux/kbuild.h>
#include <linux/interrupt.h>
#include <linux/mm.h>
#include <linux/sched.h>

#include <asm-generic/cmpxchg-local.h>


void output_ptreg_defines(void) { COMMENT("SCORE pt_regs offsets."); OFFSET(PT_R0, pt_regs, regs[0]); OFFSET(PT_R1, pt_regs, regs[1]); OFFSET(PT_R2, pt_regs, regs[2]); OFFSET(PT_R3, pt_regs, regs[3]); OFFSET(PT_R4, pt_regs, regs[4]); OFFSET(PT_R5, pt_regs, regs[5]); OFFSET(PT_R6, pt_regs, regs[6]); OFFSET(PT_R7, pt_regs, regs[7]); OFFSET(PT_R8, pt_regs, regs[8]); OFFSET(PT_R9, pt_regs, regs[9]); OFFSET(PT_R10, pt_regs, regs[10]); OFFSET(PT_R11, pt_regs, regs[11]); OFFSET(PT_R12, pt_regs, regs[12]); OFFSET(PT_R13, pt_regs, regs[13]); OFFSET(PT_R14, pt_regs, regs[14]); OFFSET(PT_R15, pt_regs, regs[15]); OFFSET(PT_R16, pt_regs, regs[16]); OFFSET(PT_R17, pt_regs, regs[17]); OFFSET(PT_R18, pt_regs, regs[18]); OFFSET(PT_R19, pt_regs, regs[19]); OFFSET(PT_R20, pt_regs, regs[20]); OFFSET(PT_R21, pt_regs, regs[21]); OFFSET(PT_R22, pt_regs, regs[22]); OFFSET(PT_R23, pt_regs, regs[23]); OFFSET(PT_R24, pt_regs, regs[24]); OFFSET(PT_R25, pt_regs, regs[25]); OFFSET(PT_R26, pt_regs, regs[26]); OFFSET(PT_R27, pt_regs, regs[27]); OFFSET(PT_R28, pt_regs, regs[28]); OFFSET(PT_R29, pt_regs, regs[29]); OFFSET(PT_R30, pt_regs, regs[30]); OFFSET(PT_R31, pt_regs, regs[31]); OFFSET(PT_ORIG_R4, pt_regs, orig_r4); OFFSET(PT_ORIG_R7, pt_regs, orig_r7); OFFSET(PT_CEL, pt_regs, cel); OFFSET(PT_CEH, pt_regs, ceh); OFFSET(PT_SR0, pt_regs, sr0); OFFSET(PT_SR1, pt_regs, sr1); OFFSET(PT_SR2, pt_regs, sr2); OFFSET(PT_EPC, pt_regs, cp0_epc); OFFSET(PT_EMA, pt_regs, cp0_ema); OFFSET(PT_PSR, pt_regs, cp0_psr); OFFSET(PT_ECR, pt_regs, cp0_ecr); OFFSET(PT_CONDITION, pt_regs, cp0_condition); OFFSET(PT_IS_SYSCALL, pt_regs, is_syscall); DEFINE(PT_SIZE, sizeof(struct pt_regs)); BLANK(); }

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void output_task_defines(void) { COMMENT("SCORE task_struct offsets."); OFFSET(TASK_STATE, task_struct, state); OFFSET(TASK_THREAD_INFO, task_struct, stack); OFFSET(TASK_FLAGS, task_struct, flags); OFFSET(TASK_MM, task_struct, mm); OFFSET(TASK_PID, task_struct, pid); DEFINE(TASK_STRUCT_SIZE, sizeof(struct task_struct)); BLANK(); }

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void output_thread_info_defines(void) { COMMENT("SCORE thread_info offsets."); OFFSET(TI_TASK, thread_info, task); OFFSET(TI_FLAGS, thread_info, flags); OFFSET(TI_TP_VALUE, thread_info, tp_value); OFFSET(TI_CPU, thread_info, cpu); OFFSET(TI_PRE_COUNT, thread_info, preempt_count); OFFSET(TI_ADDR_LIMIT, thread_info, addr_limit); OFFSET(TI_REGS, thread_info, regs); DEFINE(KERNEL_STACK_SIZE, THREAD_SIZE); DEFINE(KERNEL_STACK_MASK, THREAD_MASK); BLANK(); }

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void output_thread_defines(void) { COMMENT("SCORE specific thread_struct offsets."); OFFSET(THREAD_REG0, task_struct, thread.reg0); OFFSET(THREAD_REG2, task_struct, thread.reg2); OFFSET(THREAD_REG3, task_struct, thread.reg3); OFFSET(THREAD_REG12, task_struct, thread.reg12); OFFSET(THREAD_REG13, task_struct, thread.reg13); OFFSET(THREAD_REG14, task_struct, thread.reg14); OFFSET(THREAD_REG15, task_struct, thread.reg15); OFFSET(THREAD_REG16, task_struct, thread.reg16); OFFSET(THREAD_REG17, task_struct, thread.reg17); OFFSET(THREAD_REG18, task_struct, thread.reg18); OFFSET(THREAD_REG19, task_struct, thread.reg19); OFFSET(THREAD_REG20, task_struct, thread.reg20); OFFSET(THREAD_REG21, task_struct, thread.reg21); OFFSET(THREAD_REG29, task_struct, thread.reg29); OFFSET(THREAD_PSR, task_struct, thread.cp0_psr); OFFSET(THREAD_EMA, task_struct, thread.cp0_ema); OFFSET(THREAD_BADUADDR, task_struct, thread.cp0_baduaddr); OFFSET(THREAD_ECODE, task_struct, thread.error_code); OFFSET(THREAD_TRAPNO, task_struct, thread.trap_no); BLANK(); }

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void output_mm_defines(void) { COMMENT("Size of struct page"); DEFINE(STRUCT_PAGE_SIZE, sizeof(struct page)); BLANK(); COMMENT("Linux mm_struct offsets."); OFFSET(MM_USERS, mm_struct, mm_users); OFFSET(MM_PGD, mm_struct, pgd); OFFSET(MM_CONTEXT, mm_struct, context); BLANK(); DEFINE(_PAGE_SIZE, PAGE_SIZE); DEFINE(_PAGE_SHIFT, PAGE_SHIFT); BLANK(); DEFINE(_PGD_T_SIZE, sizeof(pgd_t)); DEFINE(_PTE_T_SIZE, sizeof(pte_t)); BLANK(); DEFINE(_PGD_ORDER, PGD_ORDER); DEFINE(_PTE_ORDER, PTE_ORDER); BLANK(); DEFINE(_PGDIR_SHIFT, PGDIR_SHIFT); BLANK(); DEFINE(_PTRS_PER_PGD, PTRS_PER_PGD); DEFINE(_PTRS_PER_PTE, PTRS_PER_PTE); BLANK(); }

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void output_sc_defines(void) { COMMENT("Linux sigcontext offsets."); OFFSET(SC_REGS, sigcontext, sc_regs); OFFSET(SC_MDCEH, sigcontext, sc_mdceh); OFFSET(SC_MDCEL, sigcontext, sc_mdcel); OFFSET(SC_PC, sigcontext, sc_pc); OFFSET(SC_PSR, sigcontext, sc_psr); OFFSET(SC_ECR, sigcontext, sc_ecr); OFFSET(SC_EMA, sigcontext, sc_ema); BLANK(); }

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void output_signal_defined(void) { COMMENT("Linux signal numbers."); DEFINE(_SIGHUP, SIGHUP); DEFINE(_SIGINT, SIGINT); DEFINE(_SIGQUIT, SIGQUIT); DEFINE(_SIGILL, SIGILL); DEFINE(_SIGTRAP, SIGTRAP); DEFINE(_SIGIOT, SIGIOT); DEFINE(_SIGABRT, SIGABRT); DEFINE(_SIGFPE, SIGFPE); DEFINE(_SIGKILL, SIGKILL); DEFINE(_SIGBUS, SIGBUS); DEFINE(_SIGSEGV, SIGSEGV); DEFINE(_SIGSYS, SIGSYS); DEFINE(_SIGPIPE, SIGPIPE); DEFINE(_SIGALRM, SIGALRM); DEFINE(_SIGTERM, SIGTERM); DEFINE(_SIGUSR1, SIGUSR1); DEFINE(_SIGUSR2, SIGUSR2); DEFINE(_SIGCHLD, SIGCHLD); DEFINE(_SIGPWR, SIGPWR); DEFINE(_SIGWINCH, SIGWINCH); DEFINE(_SIGURG, SIGURG); DEFINE(_SIGIO, SIGIO); DEFINE(_SIGSTOP, SIGSTOP); DEFINE(_SIGTSTP, SIGTSTP); DEFINE(_SIGCONT, SIGCONT); DEFINE(_SIGTTIN, SIGTTIN); DEFINE(_SIGTTOU, SIGTTOU); DEFINE(_SIGVTALRM, SIGVTALRM); DEFINE(_SIGPROF, SIGPROF); DEFINE(_SIGXCPU, SIGXCPU); DEFINE(_SIGXFSZ, SIGXFSZ); BLANK(); }

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