[mirror_ubuntu-zesty-kernel.git] / arch / powerpc / kernel / asm-offsets.c

/*
 * This program is used to generate definitions needed by
 * assembly language modules.
 *
 * We use the technique used in the OSF Mach kernel code:
 * generate asm statements containing #defines,
 * compile this file to assembler, and then extract the
 * #defines from the assembly-language output.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

#include <linux/config.h>
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/types.h>
#include <linux/ptrace.h>
#include <linux/suspend.h>
#include <linux/mman.h>
#include <linux/mm.h>
#include <linux/time.h>
#include <linux/hardirq.h>
#include <asm/io.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/processor.h>

#include <asm/cputable.h>
#include <asm/thread_info.h>
#ifdef CONFIG_PPC64
#include <asm/paca.h>
#include <asm/lppaca.h>
#include <asm/iSeries/HvLpEvent.h>
#include <asm/rtas.h>
#include <asm/cache.h>
#include <asm/systemcfg.h>
#include <asm/compat.h>
#endif

#define DEFINE(sym, val) \
	asm volatile("\n->" #sym " %0 " #val : : "i" (val))

#define BLANK() asm volatile("\n->" : : )

int main(void)
{
	/* thread struct on stack */
	DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
	DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
	DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
#ifdef CONFIG_PPC32
	DEFINE(TI_LOCAL_FLAGS, offsetof(struct thread_info, local_flags));
#endif
#ifdef CONFIG_PPC64
	DEFINE(TI_SC_NOERR, offsetof(struct thread_info, syscall_noerror));
	DEFINE(THREAD_SHIFT, THREAD_SHIFT);
#endif
	DEFINE(THREAD_SIZE, THREAD_SIZE);

	/* task_struct->thread */
	DEFINE(THREAD, offsetof(struct task_struct, thread));
	DEFINE(THREAD_INFO, offsetof(struct task_struct, thread_info));
	DEFINE(MM, offsetof(struct task_struct, mm));
	DEFINE(PTRACE, offsetof(struct task_struct, ptrace));
	DEFINE(KSP, offsetof(struct thread_struct, ksp));
	DEFINE(PGDIR, offsetof(struct thread_struct, pgdir));
	DEFINE(LAST_SYSCALL, offsetof(struct thread_struct, last_syscall));
	DEFINE(PT_REGS, offsetof(struct thread_struct, regs));
	DEFINE(THREAD_FPEXC_MODE, offsetof(struct thread_struct, fpexc_mode));
	DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0]));
	DEFINE(THREAD_FPSCR, offsetof(struct thread_struct, fpscr));
#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
	DEFINE(THREAD_DBCR0, offsetof(struct thread_struct, dbcr0));
	DEFINE(PT_PTRACED, PT_PTRACED);
#endif
#ifdef CONFIG_PPC64
	DEFINE(KSP_VSID, offsetof(struct thread_struct, ksp_vsid));
#endif

#ifdef CONFIG_ALTIVEC
	DEFINE(THREAD_VR0, offsetof(struct thread_struct, vr[0]));
	DEFINE(THREAD_VRSAVE, offsetof(struct thread_struct, vrsave));
	DEFINE(THREAD_VSCR, offsetof(struct thread_struct, vscr));
	DEFINE(THREAD_USED_VR, offsetof(struct thread_struct, used_vr));
#endif /* CONFIG_ALTIVEC */
#ifdef CONFIG_SPE
	DEFINE(THREAD_EVR0, offsetof(struct thread_struct, evr[0]));
	DEFINE(THREAD_ACC, offsetof(struct thread_struct, acc));
	DEFINE(THREAD_SPEFSCR, offsetof(struct thread_struct, spefscr));
	DEFINE(THREAD_USED_SPE, offsetof(struct thread_struct, used_spe));
#endif /* CONFIG_SPE */
	/* Interrupt register frame */
	DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD);
#ifndef CONFIG_PPC64
	DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
#else
	DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));

	/* 288 = # of volatile regs, int & fp, for leaf routines */
	/* which do not stack a frame.  See the PPC64 ABI.       */
	DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 288);
#endif
	/* in fact we only use gpr0 - gpr9 and gpr20 - gpr23 */
	DEFINE(GPR0, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[0]));
	DEFINE(GPR1, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[1]));
	DEFINE(GPR2, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[2]));
	DEFINE(GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[3]));
	DEFINE(GPR4, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[4]));
	DEFINE(GPR5, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[5]));
	DEFINE(GPR6, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[6]));
	DEFINE(GPR7, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[7]));
	DEFINE(GPR8, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[8]));
	DEFINE(GPR9, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[9]));
	DEFINE(GPR10, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[10]));
	DEFINE(GPR11, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[11]));
	DEFINE(GPR12, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[12]));
	DEFINE(GPR13, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[13]));
	DEFINE(GPR14, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[14]));
	DEFINE(GPR15, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[15]));
	DEFINE(GPR16, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[16]));
	DEFINE(GPR17, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[17]));
	DEFINE(GPR18, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[18]));
	DEFINE(GPR19, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[19]));
	DEFINE(GPR20, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[20]));
	DEFINE(GPR21, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[21]));
	DEFINE(GPR22, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[22]));
	DEFINE(GPR23, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[23]));
	DEFINE(GPR24, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[24]));
	DEFINE(GPR25, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[25]));
	DEFINE(GPR26, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[26]));
	DEFINE(GPR27, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[27]));
	DEFINE(GPR28, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[28]));
	DEFINE(GPR29, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[29]));
	DEFINE(GPR30, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[30]));
	DEFINE(GPR31, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[31]));
	/*
	 * Note: these symbols include _ because they overlap with special
	 * register names
	 */
	DEFINE(_NIP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, nip));
	DEFINE(_MSR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, msr));
	DEFINE(_CTR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ctr));
	DEFINE(_LINK, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, link));
	DEFINE(_CCR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ccr));
	DEFINE(_MQ, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, mq));
	DEFINE(_XER, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, xer));
	DEFINE(_DAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
	DEFINE(_DSISR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
	/* The PowerPC 400-class & Book-E processors have neither the DAR nor the DSISR
	 * SPRs. Hence, we overload them to hold the similar DEAR and ESR SPRs
	 * for such processors.  For critical interrupts we use them to
	 * hold SRR0 and SRR1.
	 */
	DEFINE(_DEAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
	DEFINE(_ESR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
	DEFINE(ORIG_GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, orig_gpr3));
	DEFINE(RESULT, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, result));
	DEFINE(TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap));
	DEFINE(CLONE_VM, CLONE_VM);
	DEFINE(CLONE_UNTRACED, CLONE_UNTRACED);
	DEFINE(MM_PGD, offsetof(struct mm_struct, pgd));

	/* About the CPU features table */
	DEFINE(CPU_SPEC_ENTRY_SIZE, sizeof(struct cpu_spec));
	DEFINE(CPU_SPEC_PVR_MASK, offsetof(struct cpu_spec, pvr_mask));
	DEFINE(CPU_SPEC_PVR_VALUE, offsetof(struct cpu_spec, pvr_value));
	DEFINE(CPU_SPEC_FEATURES, offsetof(struct cpu_spec, cpu_features));
	DEFINE(CPU_SPEC_SETUP, offsetof(struct cpu_spec, cpu_setup));

#ifdef CONFIG_PPC64
	DEFINE(MM, offsetof(struct task_struct, mm));
	DEFINE(AUDITCONTEXT, offsetof(struct task_struct, audit_context));

	DEFINE(DCACHEL1LINESIZE, offsetof(struct ppc64_caches, dline_size));
	DEFINE(DCACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_dline_size));
	DEFINE(DCACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, dlines_per_page));
	DEFINE(ICACHEL1LINESIZE, offsetof(struct ppc64_caches, iline_size));
	DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_iline_size));
	DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, ilines_per_page));
	DEFINE(PLATFORM, offsetof(struct systemcfg, platform));

	/* paca */
        DEFINE(PACA_SIZE, sizeof(struct paca_struct));
        DEFINE(PACAPACAINDEX, offsetof(struct paca_struct, paca_index));
        DEFINE(PACAPROCSTART, offsetof(struct paca_struct, cpu_start));
        DEFINE(PACAKSAVE, offsetof(struct paca_struct, kstack));
	DEFINE(PACACURRENT, offsetof(struct paca_struct, __current));
        DEFINE(PACASAVEDMSR, offsetof(struct paca_struct, saved_msr));
        DEFINE(PACASTABREAL, offsetof(struct paca_struct, stab_real));
        DEFINE(PACASTABVIRT, offsetof(struct paca_struct, stab_addr));
	DEFINE(PACASTABRR, offsetof(struct paca_struct, stab_rr));
        DEFINE(PACAR1, offsetof(struct paca_struct, saved_r1));
	DEFINE(PACATOC, offsetof(struct paca_struct, kernel_toc));
	DEFINE(PACAPROCENABLED, offsetof(struct paca_struct, proc_enabled));
	DEFINE(PACASLBCACHE, offsetof(struct paca_struct, slb_cache));
	DEFINE(PACASLBCACHEPTR, offsetof(struct paca_struct, slb_cache_ptr));
	DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id));
#ifdef CONFIG_HUGETLB_PAGE
	DEFINE(PACALOWHTLBAREAS, offsetof(struct paca_struct, context.low_htlb_areas));
	DEFINE(PACAHIGHHTLBAREAS, offsetof(struct paca_struct, context.high_htlb_areas));
#endif /* CONFIG_HUGETLB_PAGE */
	DEFINE(PACADEFAULTDECR, offsetof(struct paca_struct, default_decr));
        DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen));
        DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc));
        DEFINE(PACA_EXSLB, offsetof(struct paca_struct, exslb));
        DEFINE(PACA_EXDSI, offsetof(struct paca_struct, exdsi));
        DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp));
	DEFINE(PACALPPACA, offsetof(struct paca_struct, lppaca));
	DEFINE(PACAHWCPUID, offsetof(struct paca_struct, hw_cpu_id));
	DEFINE(LPPACASRR0, offsetof(struct lppaca, saved_srr0));
	DEFINE(LPPACASRR1, offsetof(struct lppaca, saved_srr1));
	DEFINE(LPPACAANYINT, offsetof(struct lppaca, int_dword.any_int));
	DEFINE(LPPACADECRINT, offsetof(struct lppaca, int_dword.fields.decr_int));

	/* RTAS */
	DEFINE(RTASBASE, offsetof(struct rtas_t, base));
	DEFINE(RTASENTRY, offsetof(struct rtas_t, entry));

	DEFINE(_TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap));
	DEFINE(SOFTE, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, softe));

	/* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */
	DEFINE(PROM_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
	DEFINE(RTAS_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);

	/* These _only_ to be used with {PROM,RTAS}_FRAME_SIZE!!! */
	DEFINE(_SRR0, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs));
	DEFINE(_SRR1, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)+8);

	/* systemcfg offsets for use by vdso */
	DEFINE(CFG_TB_ORIG_STAMP, offsetof(struct systemcfg, tb_orig_stamp));
	DEFINE(CFG_TB_TICKS_PER_SEC, offsetof(struct systemcfg, tb_ticks_per_sec));
	DEFINE(CFG_TB_TO_XS, offsetof(struct systemcfg, tb_to_xs));
	DEFINE(CFG_STAMP_XSEC, offsetof(struct systemcfg, stamp_xsec));
	DEFINE(CFG_TB_UPDATE_COUNT, offsetof(struct systemcfg, tb_update_count));
	DEFINE(CFG_TZ_MINUTEWEST, offsetof(struct systemcfg, tz_minuteswest));
	DEFINE(CFG_TZ_DSTTIME, offsetof(struct systemcfg, tz_dsttime));
	DEFINE(CFG_SYSCALL_MAP32, offsetof(struct systemcfg, syscall_map_32));
	DEFINE(CFG_SYSCALL_MAP64, offsetof(struct systemcfg, syscall_map_64));

	/* timeval/timezone offsets for use by vdso */
	DEFINE(TVAL64_TV_SEC, offsetof(struct timeval, tv_sec));
	DEFINE(TVAL64_TV_USEC, offsetof(struct timeval, tv_usec));
	DEFINE(TVAL32_TV_SEC, offsetof(struct compat_timeval, tv_sec));
	DEFINE(TVAL32_TV_USEC, offsetof(struct compat_timeval, tv_usec));
	DEFINE(TZONE_TZ_MINWEST, offsetof(struct timezone, tz_minuteswest));
	DEFINE(TZONE_TZ_DSTTIME, offsetof(struct timezone, tz_dsttime));
#endif

	DEFINE(pbe_address, offsetof(struct pbe, address));
	DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address));
	DEFINE(pbe_next, offsetof(struct pbe, next));

	DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28);
	return 0;
}
Commit	Line	Data
14cf11af PM	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	* This program is free software; you can redistribute it and/or
	11	* modify it under the terms of the GNU General Public License
	12	* as published by the Free Software Foundation; either version
	13	* 2 of the License, or (at your option) any later version.
	14	*/
	15
	16	#include <linux/config.h>
	17	#include <linux/signal.h>
	18	#include <linux/sched.h>
	19	#include <linux/kernel.h>
	20	#include <linux/errno.h>
	21	#include <linux/string.h>
	22	#include <linux/types.h>
	23	#include <linux/ptrace.h>
	24	#include <linux/suspend.h>
	25	#include <linux/mman.h>
	26	#include <linux/mm.h>
	27	#include <linux/time.h>
	28	#include <linux/hardirq.h>
	29	#include <asm/io.h>
	30	#include <asm/page.h>
	31	#include <asm/pgtable.h>
	32	#include <asm/processor.h>
	33
	34	#include <asm/cputable.h>
	35	#include <asm/thread_info.h>
	36	#ifdef CONFIG_PPC64
	37	#include <asm/paca.h>
	38	#include <asm/lppaca.h>
	39	#include <asm/iSeries/HvLpEvent.h>
	40	#include <asm/rtas.h>
	41	#include <asm/cache.h>
	42	#include <asm/systemcfg.h>
	43	#include <asm/compat.h>
	44	#endif
	45
	46	#define DEFINE(sym, val) \
	47	asm volatile("\n->" #sym " %0 " #val : : "i" (val))
	48
	49	#define BLANK() asm volatile("\n->" : : )
	50
	51	int main(void)
	52	{
	53	/* thread struct on stack */
	54	DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
	55	DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
	56	DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
	57	#ifdef CONFIG_PPC32
	58	DEFINE(TI_LOCAL_FLAGS, offsetof(struct thread_info, local_flags));
	59	#endif
	60	#ifdef CONFIG_PPC64
	61	DEFINE(TI_SC_NOERR, offsetof(struct thread_info, syscall_noerror));
	62	DEFINE(THREAD_SHIFT, THREAD_SHIFT);
	63	#endif
	64	DEFINE(THREAD_SIZE, THREAD_SIZE);
65
66	/* task_struct->thread */
67	DEFINE(THREAD, offsetof(struct task_struct, thread));
68	DEFINE(THREAD_INFO, offsetof(struct task_struct, thread_info));
69	DEFINE(MM, offsetof(struct task_struct, mm));
70	DEFINE(PTRACE, offsetof(struct task_struct, ptrace));
71	DEFINE(KSP, offsetof(struct thread_struct, ksp));
72	DEFINE(PGDIR, offsetof(struct thread_struct, pgdir));
73	DEFINE(LAST_SYSCALL, offsetof(struct thread_struct, last_syscall));
74	DEFINE(PT_REGS, offsetof(struct thread_struct, regs));
75	DEFINE(THREAD_FPEXC_MODE, offsetof(struct thread_struct, fpexc_mode));
76	DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0]));
77	DEFINE(THREAD_FPSCR, offsetof(struct thread_struct, fpscr));
78	#if defined(CONFIG_4xx) \|\| defined(CONFIG_BOOKE)
79	DEFINE(THREAD_DBCR0, offsetof(struct thread_struct, dbcr0));
80	DEFINE(PT_PTRACED, PT_PTRACED);
81	#endif
82	#ifdef CONFIG_PPC64
83	DEFINE(KSP_VSID, offsetof(struct thread_struct, ksp_vsid));
84	#endif
85
86	#ifdef CONFIG_ALTIVEC
87	DEFINE(THREAD_VR0, offsetof(struct thread_struct, vr[0]));
88	DEFINE(THREAD_VRSAVE, offsetof(struct thread_struct, vrsave));
89	DEFINE(THREAD_VSCR, offsetof(struct thread_struct, vscr));
90	DEFINE(THREAD_USED_VR, offsetof(struct thread_struct, used_vr));
91	#endif /* CONFIG_ALTIVEC */
92	#ifdef CONFIG_SPE
93	DEFINE(THREAD_EVR0, offsetof(struct thread_struct, evr[0]));
94	DEFINE(THREAD_ACC, offsetof(struct thread_struct, acc));
95	DEFINE(THREAD_SPEFSCR, offsetof(struct thread_struct, spefscr));
96	DEFINE(THREAD_USED_SPE, offsetof(struct thread_struct, used_spe));
97	#endif /* CONFIG_SPE */
98	/* Interrupt register frame */
99	DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD);
100	#ifndef CONFIG_PPC64
101	DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
102	#else
103	DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
104
105	/* 288 = # of volatile regs, int & fp, for leaf routines */
106	/* which do not stack a frame. See the PPC64 ABI. */
107	DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 288);
108	#endif
109	/* in fact we only use gpr0 - gpr9 and gpr20 - gpr23 */
110	DEFINE(GPR0, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[0]));
111	DEFINE(GPR1, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[1]));
112	DEFINE(GPR2, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[2]));
113	DEFINE(GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[3]));
114	DEFINE(GPR4, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[4]));
115	DEFINE(GPR5, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[5]));
116	DEFINE(GPR6, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[6]));
117	DEFINE(GPR7, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[7]));
118	DEFINE(GPR8, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[8]));
119	DEFINE(GPR9, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[9]));
120	DEFINE(GPR10, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[10]));
121	DEFINE(GPR11, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[11]));
122	DEFINE(GPR12, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[12]));
123	DEFINE(GPR13, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[13]));
124	DEFINE(GPR14, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[14]));
125	DEFINE(GPR15, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[15]));
126	DEFINE(GPR16, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[16]));
127	DEFINE(GPR17, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[17]));
128	DEFINE(GPR18, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[18]));
129	DEFINE(GPR19, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[19]));
130	DEFINE(GPR20, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[20]));
131	DEFINE(GPR21, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[21]));
132	DEFINE(GPR22, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[22]));
133	DEFINE(GPR23, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[23]));
134	DEFINE(GPR24, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[24]));
135	DEFINE(GPR25, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[25]));
136	DEFINE(GPR26, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[26]));
137	DEFINE(GPR27, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[27]));
138	DEFINE(GPR28, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[28]));
139	DEFINE(GPR29, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[29]));
140	DEFINE(GPR30, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[30]));
141	DEFINE(GPR31, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[31]));
142	/*
143	* Note: these symbols include _ because they overlap with special
144	* register names
145	*/
146	DEFINE(_NIP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, nip));
147	DEFINE(_MSR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, msr));
148	DEFINE(_CTR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ctr));
149	DEFINE(_LINK, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, link));
150	DEFINE(_CCR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ccr));
151	DEFINE(_MQ, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, mq));
152	DEFINE(_XER, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, xer));
153	DEFINE(_DAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
154	DEFINE(_DSISR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
155	/* The PowerPC 400-class & Book-E processors have neither the DAR nor the DSISR
156	* SPRs. Hence, we overload them to hold the similar DEAR and ESR SPRs
157	* for such processors. For critical interrupts we use them to
158	* hold SRR0 and SRR1.
159	*/
160	DEFINE(_DEAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
161	DEFINE(_ESR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
162	DEFINE(ORIG_GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, orig_gpr3));
163	DEFINE(RESULT, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, result));
164	DEFINE(TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap));
165	DEFINE(CLONE_VM, CLONE_VM);
166	DEFINE(CLONE_UNTRACED, CLONE_UNTRACED);
167	DEFINE(MM_PGD, offsetof(struct mm_struct, pgd));
168
169	/* About the CPU features table */
170	DEFINE(CPU_SPEC_ENTRY_SIZE, sizeof(struct cpu_spec));
171	DEFINE(CPU_SPEC_PVR_MASK, offsetof(struct cpu_spec, pvr_mask));
172	DEFINE(CPU_SPEC_PVR_VALUE, offsetof(struct cpu_spec, pvr_value));
173	DEFINE(CPU_SPEC_FEATURES, offsetof(struct cpu_spec, cpu_features));
174	DEFINE(CPU_SPEC_SETUP, offsetof(struct cpu_spec, cpu_setup));
175
176	#ifdef CONFIG_PPC64
177	DEFINE(MM, offsetof(struct task_struct, mm));
178	DEFINE(AUDITCONTEXT, offsetof(struct task_struct, audit_context));
179
180	DEFINE(DCACHEL1LINESIZE, offsetof(struct ppc64_caches, dline_size));
181	DEFINE(DCACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_dline_size));
182	DEFINE(DCACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, dlines_per_page));
183	DEFINE(ICACHEL1LINESIZE, offsetof(struct ppc64_caches, iline_size));
184	DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_iline_size));
185	DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, ilines_per_page));
186	DEFINE(PLATFORM, offsetof(struct systemcfg, platform));
187
188	/* paca */
189	DEFINE(PACA_SIZE, sizeof(struct paca_struct));
190	DEFINE(PACAPACAINDEX, offsetof(struct paca_struct, paca_index));
191	DEFINE(PACAPROCSTART, offsetof(struct paca_struct, cpu_start));
192	DEFINE(PACAKSAVE, offsetof(struct paca_struct, kstack));
193	DEFINE(PACACURRENT, offsetof(struct paca_struct, __current));
194	DEFINE(PACASAVEDMSR, offsetof(struct paca_struct, saved_msr));
195	DEFINE(PACASTABREAL, offsetof(struct paca_struct, stab_real));
196	DEFINE(PACASTABVIRT, offsetof(struct paca_struct, stab_addr));
197	DEFINE(PACASTABRR, offsetof(struct paca_struct, stab_rr));
198	DEFINE(PACAR1, offsetof(struct paca_struct, saved_r1));
199	DEFINE(PACATOC, offsetof(struct paca_struct, kernel_toc));
200	DEFINE(PACAPROCENABLED, offsetof(struct paca_struct, proc_enabled));
201	DEFINE(PACASLBCACHE, offsetof(struct paca_struct, slb_cache));
202	DEFINE(PACASLBCACHEPTR, offsetof(struct paca_struct, slb_cache_ptr));
203	DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id));
204	#ifdef CONFIG_HUGETLB_PAGE
205	DEFINE(PACALOWHTLBAREAS, offsetof(struct paca_struct, context.low_htlb_areas));
206	DEFINE(PACAHIGHHTLBAREAS, offsetof(struct paca_struct, context.high_htlb_areas));
207	#endif /* CONFIG_HUGETLB_PAGE */
208	DEFINE(PACADEFAULTDECR, offsetof(struct paca_struct, default_decr));
209	DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen));
210	DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc));
211	DEFINE(PACA_EXSLB, offsetof(struct paca_struct, exslb));
212	DEFINE(PACA_EXDSI, offsetof(struct paca_struct, exdsi));
213	DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp));
214	DEFINE(PACALPPACA, offsetof(struct paca_struct, lppaca));
215	DEFINE(PACAHWCPUID, offsetof(struct paca_struct, hw_cpu_id));
216	DEFINE(LPPACASRR0, offsetof(struct lppaca, saved_srr0));
217	DEFINE(LPPACASRR1, offsetof(struct lppaca, saved_srr1));
218	DEFINE(LPPACAANYINT, offsetof(struct lppaca, int_dword.any_int));
219	DEFINE(LPPACADECRINT, offsetof(struct lppaca, int_dword.fields.decr_int));
220
221	/* RTAS */
222	DEFINE(RTASBASE, offsetof(struct rtas_t, base));
223	DEFINE(RTASENTRY, offsetof(struct rtas_t, entry));
224
225	DEFINE(_TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap));
226	DEFINE(SOFTE, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, softe));
227
228	/* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */
229	DEFINE(PROM_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
230	DEFINE(RTAS_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
231
232	/* These _only_ to be used with {PROM,RTAS}_FRAME_SIZE!!! */
233	DEFINE(_SRR0, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs));
234	DEFINE(_SRR1, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)+8);
235
236	/* systemcfg offsets for use by vdso */
237	DEFINE(CFG_TB_ORIG_STAMP, offsetof(struct systemcfg, tb_orig_stamp));
238	DEFINE(CFG_TB_TICKS_PER_SEC, offsetof(struct systemcfg, tb_ticks_per_sec));
239	DEFINE(CFG_TB_TO_XS, offsetof(struct systemcfg, tb_to_xs));
240	DEFINE(CFG_STAMP_XSEC, offsetof(struct systemcfg, stamp_xsec));
241	DEFINE(CFG_TB_UPDATE_COUNT, offsetof(struct systemcfg, tb_update_count));
242	DEFINE(CFG_TZ_MINUTEWEST, offsetof(struct systemcfg, tz_minuteswest));
243	DEFINE(CFG_TZ_DSTTIME, offsetof(struct systemcfg, tz_dsttime));
244	DEFINE(CFG_SYSCALL_MAP32, offsetof(struct systemcfg, syscall_map_32));
245	DEFINE(CFG_SYSCALL_MAP64, offsetof(struct systemcfg, syscall_map_64));
246
247	/* timeval/timezone offsets for use by vdso */
248	DEFINE(TVAL64_TV_SEC, offsetof(struct timeval, tv_sec));
249	DEFINE(TVAL64_TV_USEC, offsetof(struct timeval, tv_usec));
250	DEFINE(TVAL32_TV_SEC, offsetof(struct compat_timeval, tv_sec));
251	DEFINE(TVAL32_TV_USEC, offsetof(struct compat_timeval, tv_usec));
252	DEFINE(TZONE_TZ_MINWEST, offsetof(struct timezone, tz_minuteswest));
253	DEFINE(TZONE_TZ_DSTTIME, offsetof(struct timezone, tz_dsttime));
254	#endif
255
256	DEFINE(pbe_address, offsetof(struct pbe, address));
257	DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address));
258	DEFINE(pbe_next, offsetof(struct pbe, next));
259
260	DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28);
261	return 0;
262	}