1/* 2 * This program is used to generate definitions needed by 3 * assembly language modules. 4 * 5 * We use the technique used in the OSF Mach kernel code: 6 * generate asm statements containing #defines, 7 * compile this file to assembler, and then extract the 8 * #defines from the assembly-language output. 9 */ 10 11#include <linux/stddef.h> 12#include <linux/sched.h> 13#include <linux/kernel_stat.h> 14#include <linux/ptrace.h> 15#include <linux/hardirq.h> 16#include <linux/kbuild.h> 17#include <asm/bootinfo.h> 18#include <asm/irq.h> 19#include <asm/thread_info.h> 20 21int main(void) 22{ 23 /* offsets into the task struct */ 24 DEFINE(TASK_STATE, offsetof(struct task_struct, state)); 25 DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags)); 26 DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace)); 27 DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked)); 28 DEFINE(TASK_THREAD, offsetof(struct task_struct, thread)); 29 DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack)); 30 DEFINE(TASK_MM, offsetof(struct task_struct, mm)); 31 DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); 32 33 /* offsets into the irq_cpustat_t struct */ 34 DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending)); 35 36 /* offsets into the thread struct */ 37 DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp)); 38 DEFINE(THREAD_USP, offsetof(struct thread_struct, usp)); 39 DEFINE(THREAD_SR, offsetof(struct thread_struct, sr)); 40 DEFINE(THREAD_FS, offsetof(struct thread_struct, fs)); 41 DEFINE(THREAD_CRP, offsetof(struct thread_struct, crp)); 42 DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0)); 43 DEFINE(THREAD_FPREG, offsetof(struct thread_struct, fp)); 44 DEFINE(THREAD_FPCNTL, offsetof(struct thread_struct, fpcntl)); 45 DEFINE(THREAD_FPSTATE, offsetof(struct thread_struct, fpstate)); 46 47 /* offsets into the pt_regs */ 48 DEFINE(PT_OFF_D0, offsetof(struct pt_regs, d0)); 49 DEFINE(PT_OFF_ORIG_D0, offsetof(struct pt_regs, orig_d0)); 50 DEFINE(PT_OFF_D1, offsetof(struct pt_regs, d1)); 51 DEFINE(PT_OFF_D2, offsetof(struct pt_regs, d2)); 52 DEFINE(PT_OFF_D3, offsetof(struct pt_regs, d3)); 53 DEFINE(PT_OFF_D4, offsetof(struct pt_regs, d4)); 54 DEFINE(PT_OFF_D5, offsetof(struct pt_regs, d5)); 55 DEFINE(PT_OFF_A0, offsetof(struct pt_regs, a0)); 56 DEFINE(PT_OFF_A1, offsetof(struct pt_regs, a1)); 57 DEFINE(PT_OFF_A2, offsetof(struct pt_regs, a2)); 58 DEFINE(PT_OFF_PC, offsetof(struct pt_regs, pc)); 59 DEFINE(PT_OFF_SR, offsetof(struct pt_regs, sr)); 60 61#ifdef CONFIG_COLDFIRE 62 /* bitfields are a bit difficult */ 63 DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, sr) - 2); 64#else 65 /* bitfields are a bit difficult */ 66 DEFINE(PT_OFF_VECTOR, offsetof(struct pt_regs, pc) + 4); 67#endif 68 69 /* signal defines */ 70 DEFINE(SIGSEGV, SIGSEGV); 71 DEFINE(SEGV_MAPERR, SEGV_MAPERR); 72 DEFINE(SIGTRAP, SIGTRAP); 73 DEFINE(TRAP_TRACE, TRAP_TRACE); 74 75 DEFINE(PT_PTRACED, PT_PTRACED); 76 77 DEFINE(THREAD_SIZE, THREAD_SIZE); 78 79 /* Offsets in thread_info structure */ 80 DEFINE(TI_TASK, offsetof(struct thread_info, task)); 81 DEFINE(TI_EXECDOMAIN, offsetof(struct thread_info, exec_domain)); 82 DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); 83 DEFINE(TI_PREEMPTCOUNT, offsetof(struct thread_info, preempt_count)); 84 DEFINE(TI_CPU, offsetof(struct thread_info, cpu)); 85 86 return 0; 87} 88