blob: b988c7bdc6e4d6fd78656b68b1e41fdea1131da0 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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 Ungerer2ed5e6d2005-11-07 14:09:50 +100018#include <asm/irqnode.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070019#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
26int 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}