/* * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define DEFINE(sym, val) \ asm volatile("\n#define\t" #sym "\t%0" : : "i" (val)) int main(void) { /*DEFINE(KERNELBASE, KERNELBASE);*/ DEFINE(STATE, offsetof(struct task_struct, state)); DEFINE(NEXT_TASK, offsetof(struct task_struct, next_task)); DEFINE(COUNTER, offsetof(struct task_struct, counter)); DEFINE(PROCESSOR, offsetof(struct task_struct, processor)); DEFINE(SIGPENDING, offsetof(struct task_struct, sigpending)); DEFINE(THREAD, offsetof(struct task_struct, thread)); DEFINE(MM, offsetof(struct task_struct, mm)); DEFINE(ACTIVE_MM, offsetof(struct task_struct, active_mm)); DEFINE(TASK_STRUCT_SIZE, sizeof(struct task_struct)); DEFINE(KSP, offsetof(struct thread_struct, ksp)); DEFINE(PGDIR, offsetof(struct thread_struct, pgdir)); DEFINE(LAST_SYSCALL, offsetof(struct thread_struct, last_syscall)); DEFINE(PT_REGS, offsetof(struct thread_struct, regs)); DEFINE(PT_TRACESYS, PT_TRACESYS); DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags)); DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace)); DEFINE(NEED_RESCHED, offsetof(struct task_struct, need_resched)); DEFINE(THREAD_FPEXC_MODE, offsetof(struct thread_struct, fpexc_mode)); DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0])); DEFINE(THREAD_FPSCR, offsetof(struct thread_struct, fpscr)); #ifdef CONFIG_ALTIVEC DEFINE(THREAD_VR0, offsetof(struct thread_struct, vr[0])); DEFINE(THREAD_VRSAVE, offsetof(struct thread_struct, vrsave)); DEFINE(THREAD_VSCR, offsetof(struct thread_struct, vscr)); DEFINE(THREAD_USED_VR, offsetof(struct thread_struct, used_vr)); #endif /* CONFIG_ALTIVEC */ #ifdef CONFIG_4xx DEFINE(THREAD_DBCR0, offsetof(struct thread_struct, dbcr0)); #endif /* Interrupt register frame */ DEFINE(TASK_UNION_SIZE, sizeof(union task_union)); DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD); DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs)); /* in fact we only use gpr0 - gpr9 and gpr20 - gpr23 */ DEFINE(GPR0, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[0])); DEFINE(GPR1, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[1])); DEFINE(GPR2, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[2])); DEFINE(GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[3])); DEFINE(GPR4, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[4])); DEFINE(GPR5, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[5])); DEFINE(GPR6, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[6])); DEFINE(GPR7, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[7])); DEFINE(GPR8, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[8])); DEFINE(GPR9, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[9])); DEFINE(GPR10, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[10])); DEFINE(GPR11, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[11])); DEFINE(GPR12, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[12])); DEFINE(GPR13, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[13])); DEFINE(GPR14, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[14])); DEFINE(GPR15, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[15])); DEFINE(GPR16, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[16])); DEFINE(GPR17, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[17])); DEFINE(GPR18, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[18])); DEFINE(GPR19, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[19])); DEFINE(GPR20, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[20])); DEFINE(GPR21, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[21])); DEFINE(GPR22, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[22])); DEFINE(GPR23, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[23])); DEFINE(GPR24, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[24])); DEFINE(GPR25, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[25])); DEFINE(GPR26, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[26])); DEFINE(GPR27, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[27])); DEFINE(GPR28, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[28])); DEFINE(GPR29, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[29])); DEFINE(GPR30, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[30])); DEFINE(GPR31, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[31])); /* Note: these symbols include _ because they overlap with special * register names */ DEFINE(_NIP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, nip)); DEFINE(_MSR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, msr)); DEFINE(_CTR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ctr)); DEFINE(_LINK, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, link)); DEFINE(_CCR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ccr)); DEFINE(_MQ, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, mq)); DEFINE(_XER, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, xer)); DEFINE(_DAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar)); DEFINE(_DSISR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr)); /* The PowerPC 400-class processors have neither the DAR nor the DSISR * SPRs. Hence, we overload them to hold the similar DEAR and ESR SPRs * for such processors. */ DEFINE(_DEAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar)); DEFINE(_ESR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr)); DEFINE(ORIG_GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, orig_gpr3)); DEFINE(RESULT, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, result)); DEFINE(TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap)); DEFINE(CLONE_VM, CLONE_VM); DEFINE(MM_PGD, offsetof(struct mm_struct, pgd)); /* About the CPU features table */ DEFINE(CPU_SPEC_ENTRY_SIZE, sizeof(struct cpu_spec)); DEFINE(CPU_SPEC_PVR_MASK, offsetof(struct cpu_spec, pvr_mask)); DEFINE(CPU_SPEC_PVR_VALUE, offsetof(struct cpu_spec, pvr_value)); DEFINE(CPU_SPEC_FEATURES, offsetof(struct cpu_spec, cpu_features)); DEFINE(CPU_SPEC_SETUP, offsetof(struct cpu_spec, cpu_setup)); DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28); return 0; }