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-rw-r--r--arch/m68k/kernel/asm-offsets.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/arch/m68k/kernel/asm-offsets.c b/arch/m68k/kernel/asm-offsets.c
new file mode 100644
index 000000000000..cee3317b8665
--- /dev/null
+++ b/arch/m68k/kernel/asm-offsets.c
@@ -0,0 +1,109 @@
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 <asm/bootinfo.h>
15#include <asm/irq.h>
16#include <asm/amigahw.h>
17#include <linux/font.h>
18
19#define DEFINE(sym, val) \
20 asm volatile("\n->" #sym " %0 " #val : : "i" (val))
21
22int main(void)
23{
24 /* offsets into the task struct */
25 DEFINE(TASK_STATE, offsetof(struct task_struct, state));
26 DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
27 DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
28 DEFINE(TASK_WORK, offsetof(struct task_struct, thread.work));
29 DEFINE(TASK_NEEDRESCHED, offsetof(struct task_struct, thread.work.need_resched));
30 DEFINE(TASK_SYSCALL_TRACE, offsetof(struct task_struct, thread.work.syscall_trace));
31 DEFINE(TASK_SIGPENDING, offsetof(struct task_struct, thread.work.sigpending));
32 DEFINE(TASK_NOTIFY_RESUME, offsetof(struct task_struct, thread.work.notify_resume));
33 DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
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 thread struct */
38 DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
39 DEFINE(THREAD_USP, offsetof(struct thread_struct, usp));
40 DEFINE(THREAD_SR, offsetof(struct thread_struct, sr));
41 DEFINE(THREAD_FS, offsetof(struct thread_struct, fs));
42 DEFINE(THREAD_CRP, offsetof(struct thread_struct, crp));
43 DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0));
44 DEFINE(THREAD_FPREG, offsetof(struct thread_struct, fp));
45 DEFINE(THREAD_FPCNTL, offsetof(struct thread_struct, fpcntl));
46 DEFINE(THREAD_FPSTATE, offsetof(struct thread_struct, fpstate));
47
48 /* offsets into the pt_regs */
49 DEFINE(PT_D0, offsetof(struct pt_regs, d0));
50 DEFINE(PT_ORIG_D0, offsetof(struct pt_regs, orig_d0));
51 DEFINE(PT_D1, offsetof(struct pt_regs, d1));
52 DEFINE(PT_D2, offsetof(struct pt_regs, d2));
53 DEFINE(PT_D3, offsetof(struct pt_regs, d3));
54 DEFINE(PT_D4, offsetof(struct pt_regs, d4));
55 DEFINE(PT_D5, offsetof(struct pt_regs, d5));
56 DEFINE(PT_A0, offsetof(struct pt_regs, a0));
57 DEFINE(PT_A1, offsetof(struct pt_regs, a1));
58 DEFINE(PT_A2, offsetof(struct pt_regs, a2));
59 DEFINE(PT_PC, offsetof(struct pt_regs, pc));
60 DEFINE(PT_SR, offsetof(struct pt_regs, sr));
61 /* bitfields are a bit difficult */
62 DEFINE(PT_VECTOR, offsetof(struct pt_regs, pc) + 4);
63
64 /* offsets into the irq_handler struct */
65 DEFINE(IRQ_HANDLER, offsetof(struct irq_node, handler));
66 DEFINE(IRQ_DEVID, offsetof(struct irq_node, dev_id));
67 DEFINE(IRQ_NEXT, offsetof(struct irq_node, next));
68
69 /* offsets into the kernel_stat struct */
70 DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs));
71
72 /* offsets into the irq_cpustat_t struct */
73 DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
74
75 /* offsets into the bi_record struct */
76 DEFINE(BIR_TAG, offsetof(struct bi_record, tag));
77 DEFINE(BIR_SIZE, offsetof(struct bi_record, size));
78 DEFINE(BIR_DATA, offsetof(struct bi_record, data));
79
80 /* offsets into font_desc (drivers/video/console/font.h) */
81 DEFINE(FONT_DESC_IDX, offsetof(struct font_desc, idx));
82 DEFINE(FONT_DESC_NAME, offsetof(struct font_desc, name));
83 DEFINE(FONT_DESC_WIDTH, offsetof(struct font_desc, width));
84 DEFINE(FONT_DESC_HEIGHT, offsetof(struct font_desc, height));
85 DEFINE(FONT_DESC_DATA, offsetof(struct font_desc, data));
86 DEFINE(FONT_DESC_PREF, offsetof(struct font_desc, pref));
87
88 /* signal defines */
89 DEFINE(SIGSEGV, SIGSEGV);
90 DEFINE(SEGV_MAPERR, SEGV_MAPERR);
91 DEFINE(SIGTRAP, SIGTRAP);
92 DEFINE(TRAP_TRACE, TRAP_TRACE);
93
94 /* offsets into the custom struct */
95 DEFINE(CUSTOMBASE, &custom);
96 DEFINE(C_INTENAR, offsetof(struct CUSTOM, intenar));
97 DEFINE(C_INTREQR, offsetof(struct CUSTOM, intreqr));
98 DEFINE(C_INTENA, offsetof(struct CUSTOM, intena));
99 DEFINE(C_INTREQ, offsetof(struct CUSTOM, intreq));
100 DEFINE(C_SERDATR, offsetof(struct CUSTOM, serdatr));
101 DEFINE(C_SERDAT, offsetof(struct CUSTOM, serdat));
102 DEFINE(C_SERPER, offsetof(struct CUSTOM, serper));
103 DEFINE(CIAABASE, &ciaa);
104 DEFINE(CIABBASE, &ciab);
105 DEFINE(C_PRA, offsetof(struct CIA, pra));
106 DEFINE(ZTWOBASE, zTwoBase);
107
108 return 0;
109}
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-08 06:39:22 -0500