Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 <asm/bootinfo.h> |
| 17 | #include <asm/irq.h> |
Greg Ungerer | 2ed5e6d | 2005-11-07 14:09:50 +1000 | [diff] [blame] | 18 | #include <asm/irqnode.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | #include <asm/thread_info.h> |
| 20 | |
| 21 | #define DEFINE(sym, val) \ |
| 22 | asm volatile("\n->" #sym " %0 " #val : : "i" (val)) |
| 23 | |
| 24 | #define BLANK() asm volatile("\n->" : : ) |
| 25 | |
| 26 | int main(void) |
| 27 | { |
| 28 | /* offsets into the task struct */ |
| 29 | DEFINE(TASK_STATE, offsetof(struct task_struct, state)); |
| 30 | DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags)); |
| 31 | DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace)); |
| 32 | DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked)); |
| 33 | DEFINE(TASK_THREAD, offsetof(struct task_struct, thread)); |
| 34 | DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, thread_info)); |
| 35 | DEFINE(TASK_MM, offsetof(struct task_struct, mm)); |
| 36 | DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); |
| 37 | |
| 38 | /* offsets into the kernel_stat struct */ |
| 39 | DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs)); |
| 40 | |
| 41 | /* offsets into the irq_cpustat_t struct */ |
| 42 | DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending)); |
| 43 | |
| 44 | /* offsets into the thread struct */ |
| 45 | DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp)); |
| 46 | DEFINE(THREAD_USP, offsetof(struct thread_struct, usp)); |
| 47 | DEFINE(THREAD_SR, offsetof(struct thread_struct, sr)); |
| 48 | DEFINE(THREAD_FS, offsetof(struct thread_struct, fs)); |
| 49 | DEFINE(THREAD_CRP, offsetof(struct thread_struct, crp)); |
| 50 | DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0)); |
| 51 | DEFINE(THREAD_FPREG, offsetof(struct thread_struct, fp)); |
| 52 | DEFINE(THREAD_FPCNTL, offsetof(struct thread_struct, fpcntl)); |
| 53 | DEFINE(THREAD_FPSTATE, offsetof(struct thread_struct, fpstate)); |
| 54 | |
| 55 | /* offsets into the pt_regs */ |
| 56 | DEFINE(PT_D0, offsetof(struct pt_regs, d0)); |
| 57 | DEFINE(PT_ORIG_D0, offsetof(struct pt_regs, orig_d0)); |
| 58 | DEFINE(PT_D1, offsetof(struct pt_regs, d1)); |
| 59 | DEFINE(PT_D2, offsetof(struct pt_regs, d2)); |
| 60 | DEFINE(PT_D3, offsetof(struct pt_regs, d3)); |
| 61 | DEFINE(PT_D4, offsetof(struct pt_regs, d4)); |
| 62 | DEFINE(PT_D5, offsetof(struct pt_regs, d5)); |
| 63 | DEFINE(PT_A0, offsetof(struct pt_regs, a0)); |
| 64 | DEFINE(PT_A1, offsetof(struct pt_regs, a1)); |
| 65 | DEFINE(PT_A2, offsetof(struct pt_regs, a2)); |
| 66 | DEFINE(PT_PC, offsetof(struct pt_regs, pc)); |
| 67 | DEFINE(PT_SR, offsetof(struct pt_regs, sr)); |
| 68 | |
| 69 | #ifdef CONFIG_COLDFIRE |
| 70 | /* bitfields are a bit difficult */ |
| 71 | DEFINE(PT_FORMATVEC, offsetof(struct pt_regs, sr) - 2); |
| 72 | #else |
| 73 | /* bitfields are a bit difficult */ |
| 74 | DEFINE(PT_VECTOR, offsetof(struct pt_regs, pc) + 4); |
| 75 | /* offsets into the irq_handler struct */ |
| 76 | DEFINE(IRQ_HANDLER, offsetof(struct irq_node, handler)); |
| 77 | DEFINE(IRQ_DEVID, offsetof(struct irq_node, dev_id)); |
| 78 | DEFINE(IRQ_NEXT, offsetof(struct irq_node, next)); |
| 79 | #endif |
| 80 | |
| 81 | /* offsets into the kernel_stat struct */ |
| 82 | DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs)); |
| 83 | |
| 84 | /* signal defines */ |
| 85 | DEFINE(SIGSEGV, SIGSEGV); |
| 86 | DEFINE(SEGV_MAPERR, SEGV_MAPERR); |
| 87 | DEFINE(SIGTRAP, SIGTRAP); |
| 88 | DEFINE(TRAP_TRACE, TRAP_TRACE); |
| 89 | |
| 90 | DEFINE(PT_PTRACED, PT_PTRACED); |
| 91 | DEFINE(PT_DTRACE, PT_DTRACE); |
| 92 | |
| 93 | DEFINE(THREAD_SIZE, THREAD_SIZE); |
| 94 | |
| 95 | /* Offsets in thread_info structure */ |
| 96 | DEFINE(TI_TASK, offsetof(struct thread_info, task)); |
| 97 | DEFINE(TI_EXECDOMAIN, offsetof(struct thread_info, exec_domain)); |
| 98 | DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); |
| 99 | DEFINE(TI_CPU, offsetof(struct thread_info, cpu)); |
| 100 | |
| 101 | return 0; |
| 102 | } |