// SPDX-License-Identifier: GPL-2.0 /* * This program is used to generate definitions needed by * assembly language modules. * * We use the technique used in the OSF Mach kernel code: * generate asm statements containing #defines, * compile this file to assembler, and then extract the * #defines from the assembly-language output. */ #include <linux/stddef.h> #include <linux/sched.h> #include <linux/kernel_stat.h> #include <linux/ptrace.h> #include <linux/hardirq.h> #include <linux/kbuild.h> #include <asm/irq.h> #include <asm/ptrace.h> int main(void) { /* offsets into the task struct */ OFFSET(TASK_STATE, task_struct, state); OFFSET(TASK_FLAGS, task_struct, flags); OFFSET(TASK_PTRACE, task_struct, ptrace); OFFSET(TASK_BLOCKED, task_struct, blocked); OFFSET(TASK_THREAD, task_struct, thread); OFFSET(TASK_THREAD_INFO, task_struct, stack); OFFSET(TASK_MM, task_struct, mm); OFFSET(TASK_ACTIVE_MM, task_struct, active_mm); /* offsets into the irq_cpustat_t struct */ DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending)); /* offsets into the thread struct */ OFFSET(THREAD_KSP, thread_struct, ksp); OFFSET(THREAD_USP, thread_struct, usp); OFFSET(THREAD_CCR, thread_struct, ccr); /* offsets into the pt_regs struct */ DEFINE(LER0, offsetof(struct pt_regs, er0) - sizeof(long)); DEFINE(LER1, offsetof(struct pt_regs, er1) - sizeof(long)); DEFINE(LER2, offsetof(struct pt_regs, er2) - sizeof(long)); DEFINE(LER3, offsetof(struct pt_regs, er3) - sizeof(long)); DEFINE(LER4, offsetof(struct pt_regs, er4) - sizeof(long)); DEFINE(LER5, offsetof(struct pt_regs, er5) - sizeof(long)); DEFINE(LER6, offsetof(struct pt_regs, er6) - sizeof(long)); DEFINE(LORIG, offsetof(struct pt_regs, orig_er0) - sizeof(long)); DEFINE(LSP, offsetof(struct pt_regs, sp) - sizeof(long)); DEFINE(LCCR, offsetof(struct pt_regs, ccr) - sizeof(long)); DEFINE(LVEC, offsetof(struct pt_regs, vector) - sizeof(long)); #if defined(CONFIG_CPU_H8S) DEFINE(LEXR, offsetof(struct pt_regs, exr) - sizeof(long)); #endif DEFINE(LRET, offsetof(struct pt_regs, pc) - sizeof(long)); DEFINE(PT_PTRACED, PT_PTRACED); /* offsets in thread_info structure */ OFFSET(TI_TASK, thread_info, task); OFFSET(TI_FLAGS, thread_info, flags); OFFSET(TI_CPU, thread_info, cpu); OFFSET(TI_PRE, thread_info, preempt_count); #ifdef CONFIG_PREEMPTION DEFINE(TI_PRE_COUNT, offsetof(struct thread_info, preempt_count)); #endif return 0; }