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> |
Christoph Lameter | d8045b4 | 2008-04-29 01:04:05 -0700 | [diff] [blame] | 16 | #include <linux/kbuild.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | #include <asm/bootinfo.h> |
| 18 | #include <asm/irq.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | #include <asm/thread_info.h> |
| 20 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | int main(void) |
| 22 | { |
| 23 | /* offsets into the task struct */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | DEFINE(TASK_THREAD, offsetof(struct task_struct, thread)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | DEFINE(TASK_MM, offsetof(struct task_struct, mm)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | /* offsets into the irq_cpustat_t struct */ |
| 28 | DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending)); |
| 29 | |
| 30 | /* offsets into the thread struct */ |
| 31 | DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp)); |
| 32 | DEFINE(THREAD_USP, offsetof(struct thread_struct, usp)); |
| 33 | DEFINE(THREAD_SR, offsetof(struct thread_struct, sr)); |
| 34 | DEFINE(THREAD_FS, offsetof(struct thread_struct, fs)); |
| 35 | DEFINE(THREAD_CRP, offsetof(struct thread_struct, crp)); |
| 36 | DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0)); |
| 37 | DEFINE(THREAD_FPREG, offsetof(struct thread_struct, fp)); |
| 38 | DEFINE(THREAD_FPCNTL, offsetof(struct thread_struct, fpcntl)); |
| 39 | DEFINE(THREAD_FPSTATE, offsetof(struct thread_struct, fpstate)); |
| 40 | |
| 41 | /* offsets into the pt_regs */ |
Greg Ungerer | c84b564 | 2009-09-20 21:32:32 +1000 | [diff] [blame] | 42 | DEFINE(PT_OFF_D0, offsetof(struct pt_regs, d0)); |
| 43 | DEFINE(PT_OFF_ORIG_D0, offsetof(struct pt_regs, orig_d0)); |
| 44 | DEFINE(PT_OFF_D1, offsetof(struct pt_regs, d1)); |
| 45 | DEFINE(PT_OFF_D2, offsetof(struct pt_regs, d2)); |
| 46 | DEFINE(PT_OFF_D3, offsetof(struct pt_regs, d3)); |
| 47 | DEFINE(PT_OFF_D4, offsetof(struct pt_regs, d4)); |
| 48 | DEFINE(PT_OFF_D5, offsetof(struct pt_regs, d5)); |
| 49 | DEFINE(PT_OFF_A0, offsetof(struct pt_regs, a0)); |
| 50 | DEFINE(PT_OFF_A1, offsetof(struct pt_regs, a1)); |
| 51 | DEFINE(PT_OFF_A2, offsetof(struct pt_regs, a2)); |
| 52 | DEFINE(PT_OFF_PC, offsetof(struct pt_regs, pc)); |
| 53 | DEFINE(PT_OFF_SR, offsetof(struct pt_regs, sr)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | |
| 55 | #ifdef CONFIG_COLDFIRE |
| 56 | /* bitfields are a bit difficult */ |
Greg Ungerer | c84b564 | 2009-09-20 21:32:32 +1000 | [diff] [blame] | 57 | DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, sr) - 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | #else |
| 59 | /* bitfields are a bit difficult */ |
Philippe De Muyter | eb497e7 | 2010-08-30 13:17:17 +0200 | [diff] [blame] | 60 | DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, pc) + 4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | #endif |
| 62 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | /* signal defines */ |
| 64 | DEFINE(SIGSEGV, SIGSEGV); |
| 65 | DEFINE(SEGV_MAPERR, SEGV_MAPERR); |
| 66 | DEFINE(SIGTRAP, SIGTRAP); |
| 67 | DEFINE(TRAP_TRACE, TRAP_TRACE); |
| 68 | |
| 69 | DEFINE(PT_PTRACED, PT_PTRACED); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | /* Offsets in thread_info structure */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); |
Sebastian Siewior | a19325a | 2008-05-01 12:16:29 +1000 | [diff] [blame] | 73 | DEFINE(TI_PREEMPTCOUNT, offsetof(struct thread_info, preempt_count)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | |
| 75 | return 0; |
| 76 | } |