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 <linux/kbuild.h>
17 #include <asm/bootinfo.h>
18 #include <asm/irq.h>
19 #include <asm/thread_info.h>
20
main(void)21 int main(void)
22 {
23 /* offsets into the task struct */
24 DEFINE(TASK_STATE, offsetof(struct task_struct, state));
25 DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
26 DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
27 DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked));
28 DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
29 DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack));
30 DEFINE(TASK_MM, offsetof(struct task_struct, mm));
31 DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
32
33 /* offsets into the kernel_stat struct */
34 DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs));
35
36 /* offsets into the irq_cpustat_t struct */
37 DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
38
39 /* offsets into the thread struct */
40 DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
41 DEFINE(THREAD_USP, offsetof(struct thread_struct, usp));
42 DEFINE(THREAD_SR, offsetof(struct thread_struct, sr));
43 DEFINE(THREAD_FS, offsetof(struct thread_struct, fs));
44 DEFINE(THREAD_CRP, offsetof(struct thread_struct, crp));
45 DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0));
46 DEFINE(THREAD_FPREG, offsetof(struct thread_struct, fp));
47 DEFINE(THREAD_FPCNTL, offsetof(struct thread_struct, fpcntl));
48 DEFINE(THREAD_FPSTATE, offsetof(struct thread_struct, fpstate));
49
50 /* offsets into the pt_regs */
51 DEFINE(PT_D0, offsetof(struct pt_regs, d0));
52 DEFINE(PT_ORIG_D0, offsetof(struct pt_regs, orig_d0));
53 DEFINE(PT_D1, offsetof(struct pt_regs, d1));
54 DEFINE(PT_D2, offsetof(struct pt_regs, d2));
55 DEFINE(PT_D3, offsetof(struct pt_regs, d3));
56 DEFINE(PT_D4, offsetof(struct pt_regs, d4));
57 DEFINE(PT_D5, offsetof(struct pt_regs, d5));
58 DEFINE(PT_A0, offsetof(struct pt_regs, a0));
59 DEFINE(PT_A1, offsetof(struct pt_regs, a1));
60 DEFINE(PT_A2, offsetof(struct pt_regs, a2));
61 DEFINE(PT_PC, offsetof(struct pt_regs, pc));
62 DEFINE(PT_SR, offsetof(struct pt_regs, sr));
63
64 #ifdef CONFIG_COLDFIRE
65 /* bitfields are a bit difficult */
66 DEFINE(PT_FORMATVEC, offsetof(struct pt_regs, sr) - 2);
67 #else
68 /* bitfields are a bit difficult */
69 DEFINE(PT_VECTOR, offsetof(struct pt_regs, pc) + 4);
70 #endif
71
72 /* offsets into the kernel_stat struct */
73 DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs));
74
75 /* signal defines */
76 DEFINE(SIGSEGV, SIGSEGV);
77 DEFINE(SEGV_MAPERR, SEGV_MAPERR);
78 DEFINE(SIGTRAP, SIGTRAP);
79 DEFINE(TRAP_TRACE, TRAP_TRACE);
80
81 DEFINE(PT_PTRACED, PT_PTRACED);
82 DEFINE(PT_DTRACE, PT_DTRACE);
83
84 DEFINE(THREAD_SIZE, THREAD_SIZE);
85
86 /* Offsets in thread_info structure */
87 DEFINE(TI_TASK, offsetof(struct thread_info, task));
88 DEFINE(TI_EXECDOMAIN, offsetof(struct thread_info, exec_domain));
89 DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
90 DEFINE(TI_PREEMPTCOUNT, offsetof(struct thread_info, preempt_count));
91 DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
92
93 return 0;
94 }
95