| 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> |
| 18 | #include <asm/ptrace.h> |
| 19 | |
| 20 | #define DEFINE(sym, val) \ |
| 21 | asm volatile("\n->" #sym " %0 " #val : : "i" (val)) |
| 22 | |
| 23 | #define BLANK() asm volatile("\n->" : : ) |
| 24 | |
| 25 | int main(void) |
| 26 | { |
| 27 | /* offsets into the task struct */ |
| 28 | DEFINE(TASK_STATE, offsetof(struct task_struct, state)); |
| 29 | DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags)); |
| 30 | DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace)); |
| 31 | DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked)); |
| 32 | DEFINE(TASK_THREAD, offsetof(struct task_struct, thread)); |
| 33 | DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, thread_info)); |
| 34 | DEFINE(TASK_MM, offsetof(struct task_struct, mm)); |
| 35 | DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); |
| 36 | |
| 37 | /* offsets into the irq_cpustat_t struct */ |
| 38 | DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending)); |
| 39 | |
| 40 | /* offsets into the thread struct */ |
| 41 | DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp)); |
| 42 | DEFINE(THREAD_USP, offsetof(struct thread_struct, usp)); |
| 43 | DEFINE(THREAD_CCR, offsetof(struct thread_struct, ccr)); |
| 44 | |
| 45 | /* offsets into the pt_regs struct */ |
| 46 | DEFINE(LER0, offsetof(struct pt_regs, er0) - sizeof(long)); |
| 47 | DEFINE(LER1, offsetof(struct pt_regs, er1) - sizeof(long)); |
| 48 | DEFINE(LER2, offsetof(struct pt_regs, er2) - sizeof(long)); |
| 49 | DEFINE(LER3, offsetof(struct pt_regs, er3) - sizeof(long)); |
| 50 | DEFINE(LER4, offsetof(struct pt_regs, er4) - sizeof(long)); |
| 51 | DEFINE(LER5, offsetof(struct pt_regs, er5) - sizeof(long)); |
| 52 | DEFINE(LER6, offsetof(struct pt_regs, er6) - sizeof(long)); |
| 53 | DEFINE(LORIG, offsetof(struct pt_regs, orig_er0) - sizeof(long)); |
| 54 | DEFINE(LCCR, offsetof(struct pt_regs, ccr) - sizeof(long)); |
| 55 | DEFINE(LVEC, offsetof(struct pt_regs, vector) - sizeof(long)); |
| 56 | #if defined(__H8300S__) |
| 57 | DEFINE(LEXR, offsetof(struct pt_regs, exr) - sizeof(long)); |
| 58 | #endif |
| 59 | DEFINE(LRET, offsetof(struct pt_regs, pc) - sizeof(long)); |
| 60 | |
| 61 | DEFINE(PT_PTRACED, PT_PTRACED); |
| 62 | DEFINE(PT_DTRACE, PT_DTRACE); |
| 63 | |
| 64 | return 0; |
| 65 | } |