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
 33void 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}