1/* 2 * BK Id: SCCS/s.mk_defs.c 1.11 08/19/01 22:43:23 paulus 3 */ 4/* 5 * This program is used to generate definitions needed by 6 * assembly language modules. 7 * 8 * We use the technique used in the OSF Mach kernel code: 9 * generate asm statements containing #defines, 10 * compile this file to assembler, and then extract the 11 * #defines from the assembly-language output. 12 */ 13 14#include <stddef.h> 15#include <linux/config.h> 16#include <linux/signal.h> 17#include <linux/sched.h> 18#include <linux/kernel.h> 19#include <linux/errno.h> 20#include <linux/string.h> 21#include <linux/types.h> 22#include <linux/ptrace.h> 23#include <linux/mman.h> 24#include <linux/mm.h> 25#include <asm/io.h> 26#include <asm/page.h> 27#include <asm/pgtable.h> 28#include <asm/processor.h> 29#include <asm/cputable.h> 30 31#define DEFINE(sym, val) \ 32 asm volatile("\n#define\t" #sym "\t%0" : : "i" (val)) 33 34int 35main(void) 36{ 37 /*DEFINE(KERNELBASE, KERNELBASE);*/ 38 DEFINE(STATE, offsetof(struct task_struct, state)); 39 DEFINE(NEXT_TASK, offsetof(struct task_struct, next_task)); 40 DEFINE(COUNTER, offsetof(struct task_struct, counter)); 41 DEFINE(PROCESSOR, offsetof(struct task_struct, processor)); 42 DEFINE(SIGPENDING, offsetof(struct task_struct, sigpending)); 43 DEFINE(THREAD, offsetof(struct task_struct, thread)); 44 DEFINE(MM, offsetof(struct task_struct, mm)); 45 DEFINE(ACTIVE_MM, offsetof(struct task_struct, active_mm)); 46 DEFINE(TASK_STRUCT_SIZE, sizeof(struct task_struct)); 47 DEFINE(KSP, offsetof(struct thread_struct, ksp)); 48 DEFINE(PGDIR, offsetof(struct thread_struct, pgdir)); 49 DEFINE(LAST_SYSCALL, offsetof(struct thread_struct, last_syscall)); 50 DEFINE(PT_REGS, offsetof(struct thread_struct, regs)); 51 DEFINE(PT_TRACESYS, PT_TRACESYS); 52 DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags)); 53 DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace)); 54 DEFINE(NEED_RESCHED, offsetof(struct task_struct, need_resched)); 55 DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0])); 56 DEFINE(THREAD_FPSCR, offsetof(struct thread_struct, fpscr)); 57#ifdef CONFIG_ALTIVEC 58 DEFINE(THREAD_VR0, offsetof(struct thread_struct, vr[0])); 59 DEFINE(THREAD_VRSAVE, offsetof(struct thread_struct, vrsave)); 60 DEFINE(THREAD_VSCR, offsetof(struct thread_struct, vscr)); 61#endif /* CONFIG_ALTIVEC */ 62 /* Interrupt register frame */ 63 DEFINE(TASK_UNION_SIZE, sizeof(union task_union)); 64 DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD); 65 DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs)); 66 /* in fact we only use gpr0 - gpr9 and gpr20 - gpr23 */ 67 DEFINE(GPR0, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[0])); 68 DEFINE(GPR1, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[1])); 69 DEFINE(GPR2, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[2])); 70 DEFINE(GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[3])); 71 DEFINE(GPR4, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[4])); 72 DEFINE(GPR5, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[5])); 73 DEFINE(GPR6, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[6])); 74 DEFINE(GPR7, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[7])); 75 DEFINE(GPR8, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[8])); 76 DEFINE(GPR9, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[9])); 77 DEFINE(GPR10, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[10])); 78 DEFINE(GPR11, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[11])); 79 DEFINE(GPR12, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[12])); 80 DEFINE(GPR13, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[13])); 81 DEFINE(GPR14, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[14])); 82 DEFINE(GPR15, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[15])); 83 DEFINE(GPR16, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[16])); 84 DEFINE(GPR17, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[17])); 85 DEFINE(GPR18, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[18])); 86 DEFINE(GPR19, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[19])); 87 DEFINE(GPR20, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[20])); 88 DEFINE(GPR21, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[21])); 89 DEFINE(GPR22, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[22])); 90 DEFINE(GPR23, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[23])); 91 DEFINE(GPR24, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[24])); 92 DEFINE(GPR25, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[25])); 93 DEFINE(GPR26, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[26])); 94 DEFINE(GPR27, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[27])); 95 DEFINE(GPR28, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[28])); 96 DEFINE(GPR29, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[29])); 97 DEFINE(GPR30, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[30])); 98 DEFINE(GPR31, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[31])); 99 /* Note: these symbols include _ because they overlap with special 100 * register names 101 */ 102 DEFINE(_NIP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, nip)); 103 DEFINE(_MSR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, msr)); 104 DEFINE(_CTR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ctr)); 105 DEFINE(_LINK, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, link)); 106 DEFINE(_CCR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ccr)); 107 DEFINE(_MQ, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, mq)); 108 DEFINE(_XER, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, xer)); 109 DEFINE(_DAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar)); 110 DEFINE(_DSISR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr)); 111 /* The PowerPC 400-class processors have neither the DAR nor the DSISR 112 * SPRs. Hence, we overload them to hold the similar DEAR and ESR SPRs 113 * for such processors. 114 */ 115 DEFINE(_DEAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar)); 116 DEFINE(_ESR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr)); 117 DEFINE(ORIG_GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, orig_gpr3)); 118 DEFINE(RESULT, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, result)); 119 DEFINE(TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap)); 120 DEFINE(CLONE_VM, CLONE_VM); 121 DEFINE(MM_PGD, offsetof(struct mm_struct, pgd)); 122 123 /* About the CPU features table */ 124 DEFINE(CPU_SPEC_ENTRY_SIZE, sizeof(struct cpu_spec)); 125 DEFINE(CPU_SPEC_PVR_MASK, offsetof(struct cpu_spec, pvr_mask)); 126 DEFINE(CPU_SPEC_PVR_VALUE, offsetof(struct cpu_spec, pvr_value)); 127 DEFINE(CPU_SPEC_FEATURES, offsetof(struct cpu_spec, cpu_features)); 128 DEFINE(CPU_SPEC_SETUP, offsetof(struct cpu_spec, cpu_setup)); 129 130 DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28); 131 return 0; 132} 133