1 /*
2 * Generate definitions needed by assembly language modules.
3 * This code generates raw asm output which is post-processed
4 * to extract and format the required data.
5 */
6
7 #include <linux/sched.h>
8 #include <linux/signal.h>
9 #include <linux/personality.h>
10 #include <linux/kbuild.h>
11 #include <asm/registers.h>
12 #include <asm/ucontext.h>
13 #include <asm/processor.h>
14 #include <asm/thread_info.h>
15 #include <asm/gdb-stub.h>
16
17 #define DEF_PTREG(sym, reg) \
18 asm volatile("\n->" #sym " %0 offsetof(struct pt_regs, " #reg ")" \
19 : : "i" (offsetof(struct pt_regs, reg)))
20
21 #define DEF_IREG(sym, reg) \
22 asm volatile("\n->" #sym " %0 offsetof(struct user_context, " #reg ")" \
23 : : "i" (offsetof(struct user_context, reg)))
24
25 #define DEF_FREG(sym, reg) \
26 asm volatile("\n->" #sym " %0 offsetof(struct user_context, " #reg ")" \
27 : : "i" (offsetof(struct user_context, reg)))
28
29 #define DEF_0REG(sym, reg) \
30 asm volatile("\n->" #sym " %0 offsetof(struct frv_frame0, " #reg ")" \
31 : : "i" (offsetof(struct frv_frame0, reg)))
32
foo(void)33 void foo(void)
34 {
35 /* offsets into the thread_info structure */
36 OFFSET(TI_TASK, thread_info, task);
37 OFFSET(TI_EXEC_DOMAIN, thread_info, exec_domain);
38 OFFSET(TI_FLAGS, thread_info, flags);
39 OFFSET(TI_STATUS, thread_info, status);
40 OFFSET(TI_CPU, thread_info, cpu);
41 OFFSET(TI_PREEMPT_COUNT, thread_info, preempt_count);
42 OFFSET(TI_ADDR_LIMIT, thread_info, addr_limit);
43 OFFSET(TI_RESTART_BLOCK, thread_info, restart_block);
44 BLANK();
45
46 /* offsets into register file storage */
47 DEF_PTREG(REG_PSR, psr);
48 DEF_PTREG(REG_ISR, isr);
49 DEF_PTREG(REG_CCR, ccr);
50 DEF_PTREG(REG_CCCR, cccr);
51 DEF_PTREG(REG_LR, lr);
52 DEF_PTREG(REG_LCR, lcr);
53 DEF_PTREG(REG_PC, pc);
54 DEF_PTREG(REG__STATUS, __status);
55 DEF_PTREG(REG_SYSCALLNO, syscallno);
56 DEF_PTREG(REG_ORIG_GR8, orig_gr8);
57 DEF_PTREG(REG_GNER0, gner0);
58 DEF_PTREG(REG_GNER1, gner1);
59 DEF_PTREG(REG_IACC0, iacc0);
60 DEF_PTREG(REG_TBR, tbr);
61 DEF_PTREG(REG_GR0, tbr);
62 DEFINE(REG__END, sizeof(struct pt_regs));
63 BLANK();
64
65 DEF_0REG(REG_DCR, debug.dcr);
66 DEF_0REG(REG_IBAR0, debug.ibar[0]);
67 DEF_0REG(REG_DBAR0, debug.dbar[0]);
68 DEF_0REG(REG_DBDR00, debug.dbdr[0][0]);
69 DEF_0REG(REG_DBMR00, debug.dbmr[0][0]);
70 BLANK();
71
72 DEF_IREG(__INT_GR0, i.gr[0]);
73 DEF_FREG(__USER_FPMEDIA, f);
74 DEF_FREG(__FPMEDIA_FR0, f.fr[0]);
75 DEF_FREG(__FPMEDIA_FNER0, f.fner[0]);
76 DEF_FREG(__FPMEDIA_MSR0, f.msr[0]);
77 DEF_FREG(__FPMEDIA_ACC0, f.acc[0]);
78 DEF_FREG(__FPMEDIA_ACCG0, f.accg[0]);
79 DEF_FREG(__FPMEDIA_FSR0, f.fsr[0]);
80 BLANK();
81
82 DEFINE(NR_PT_REGS, sizeof(struct pt_regs) / 4);
83 DEFINE(NR_USER_INT_REGS, sizeof(struct user_int_regs) / 4);
84 DEFINE(NR_USER_FPMEDIA_REGS, sizeof(struct user_fpmedia_regs) / 4);
85 DEFINE(NR_USER_CONTEXT, sizeof(struct user_context) / 4);
86 DEFINE(FRV_FRAME0_SIZE, sizeof(struct frv_frame0));
87 BLANK();
88
89 /* offsets into thread_struct */
90 OFFSET(__THREAD_FRAME, thread_struct, frame);
91 OFFSET(__THREAD_CURR, thread_struct, curr);
92 OFFSET(__THREAD_SP, thread_struct, sp);
93 OFFSET(__THREAD_FP, thread_struct, fp);
94 OFFSET(__THREAD_LR, thread_struct, lr);
95 OFFSET(__THREAD_PC, thread_struct, pc);
96 OFFSET(__THREAD_GR16, thread_struct, gr[0]);
97 OFFSET(__THREAD_SCHED_LR, thread_struct, sched_lr);
98 OFFSET(__THREAD_FRAME0, thread_struct, frame0);
99 OFFSET(__THREAD_USER, thread_struct, user);
100 BLANK();
101
102 /* offsets into frv_debug_status */
103 OFFSET(DEBUG_BPSR, frv_debug_status, bpsr);
104 OFFSET(DEBUG_DCR, frv_debug_status, dcr);
105 OFFSET(DEBUG_BRR, frv_debug_status, brr);
106 OFFSET(DEBUG_NMAR, frv_debug_status, nmar);
107 BLANK();
108 }
109