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linux/arch/blackfin/kernel/asm-offsets.c
Richard Weinberger ede45dd302 blackfin: Autogenerate offsets in struct thread_info 
Maintaining offsets by hand is no fun.

Signed-off-by: Richard Weinberger <richard@nod.at>
2015-04-12 20:58:24 +02:00

165 lines
6.9 KiB
C
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/*
* generate definitions needed by assembly language modules
*
* Copyright 2004-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later
*/
#include <linux/stddef.h>
#include <linux/sched.h>
#include <linux/kernel_stat.h>
#include <linux/ptrace.h>
#include <linux/hardirq.h>
#include <linux/irq.h>
#include <linux/thread_info.h>
#include <linux/kbuild.h>
#include <asm/pda.h>
int main(void)
{
/* offsets into the task struct */
DEFINE(TASK_STATE, offsetof(struct task_struct, state));
DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked));
DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack));
DEFINE(TASK_MM, offsetof(struct task_struct, mm));
DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
DEFINE(TASK_SIGPENDING, offsetof(struct task_struct, pending));
/* offsets into the irq_cpustat_t struct */
DEFINE(CPUSTAT_SOFTIRQ_PENDING,
offsetof(irq_cpustat_t, __softirq_pending));
/* offsets into the thread struct */
DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
DEFINE(THREAD_USP, offsetof(struct thread_struct, usp));
DEFINE(THREAD_SR, offsetof(struct thread_struct, seqstat));
DEFINE(PT_SR, offsetof(struct thread_struct, seqstat));
DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0));
DEFINE(THREAD_PC, offsetof(struct thread_struct, pc));
DEFINE(KERNEL_STACK_SIZE, THREAD_SIZE);
/* offsets in thread_info struct */
OFFSET(TI_TASK, thread_info, task);
OFFSET(TI_FLAGS, thread_info, flags);
OFFSET(TI_CPU, thread_info, cpu);
OFFSET(TI_PREEMPT, thread_info, preempt_count);
/* offsets into the pt_regs */
DEFINE(PT_ORIG_R0, offsetof(struct pt_regs, orig_r0));
DEFINE(PT_ORIG_P0, offsetof(struct pt_regs, orig_p0));
DEFINE(PT_ORIG_PC, offsetof(struct pt_regs, orig_pc));
DEFINE(PT_R0, offsetof(struct pt_regs, r0));
DEFINE(PT_R1, offsetof(struct pt_regs, r1));
DEFINE(PT_R2, offsetof(struct pt_regs, r2));
DEFINE(PT_R3, offsetof(struct pt_regs, r3));
DEFINE(PT_R4, offsetof(struct pt_regs, r4));
DEFINE(PT_R5, offsetof(struct pt_regs, r5));
DEFINE(PT_R6, offsetof(struct pt_regs, r6));
DEFINE(PT_R7, offsetof(struct pt_regs, r7));
DEFINE(PT_P0, offsetof(struct pt_regs, p0));
DEFINE(PT_P1, offsetof(struct pt_regs, p1));
DEFINE(PT_P2, offsetof(struct pt_regs, p2));
DEFINE(PT_P3, offsetof(struct pt_regs, p3));
DEFINE(PT_P4, offsetof(struct pt_regs, p4));
DEFINE(PT_P5, offsetof(struct pt_regs, p5));
DEFINE(PT_FP, offsetof(struct pt_regs, fp));
DEFINE(PT_USP, offsetof(struct pt_regs, usp));
DEFINE(PT_I0, offsetof(struct pt_regs, i0));
DEFINE(PT_I1, offsetof(struct pt_regs, i1));
DEFINE(PT_I2, offsetof(struct pt_regs, i2));
DEFINE(PT_I3, offsetof(struct pt_regs, i3));
DEFINE(PT_M0, offsetof(struct pt_regs, m0));
DEFINE(PT_M1, offsetof(struct pt_regs, m1));
DEFINE(PT_M2, offsetof(struct pt_regs, m2));
DEFINE(PT_M3, offsetof(struct pt_regs, m3));
DEFINE(PT_L0, offsetof(struct pt_regs, l0));
DEFINE(PT_L1, offsetof(struct pt_regs, l1));
DEFINE(PT_L2, offsetof(struct pt_regs, l2));
DEFINE(PT_L3, offsetof(struct pt_regs, l3));
DEFINE(PT_B0, offsetof(struct pt_regs, b0));
DEFINE(PT_B1, offsetof(struct pt_regs, b1));
DEFINE(PT_B2, offsetof(struct pt_regs, b2));
DEFINE(PT_B3, offsetof(struct pt_regs, b3));
DEFINE(PT_A0X, offsetof(struct pt_regs, a0x));
DEFINE(PT_A0W, offsetof(struct pt_regs, a0w));
DEFINE(PT_A1X, offsetof(struct pt_regs, a1x));
DEFINE(PT_A1W, offsetof(struct pt_regs, a1w));
DEFINE(PT_LC0, offsetof(struct pt_regs, lc0));
DEFINE(PT_LC1, offsetof(struct pt_regs, lc1));
DEFINE(PT_LT0, offsetof(struct pt_regs, lt0));
DEFINE(PT_LT1, offsetof(struct pt_regs, lt1));
DEFINE(PT_LB0, offsetof(struct pt_regs, lb0));
DEFINE(PT_LB1, offsetof(struct pt_regs, lb1));
DEFINE(PT_ASTAT, offsetof(struct pt_regs, astat));
DEFINE(PT_RESERVED, offsetof(struct pt_regs, reserved));
DEFINE(PT_RETS, offsetof(struct pt_regs, rets));
DEFINE(PT_PC, offsetof(struct pt_regs, pc));
DEFINE(PT_RETX, offsetof(struct pt_regs, retx));
DEFINE(PT_RETN, offsetof(struct pt_regs, retn));
DEFINE(PT_RETE, offsetof(struct pt_regs, rete));
DEFINE(PT_SEQSTAT, offsetof(struct pt_regs, seqstat));
DEFINE(PT_SYSCFG, offsetof(struct pt_regs, syscfg));
DEFINE(PT_IPEND, offsetof(struct pt_regs, ipend));
DEFINE(SIZEOF_PTREGS, sizeof(struct pt_regs));
DEFINE(PT_TEXT_ADDR, sizeof(struct pt_regs)); /* Needed by gdb */
DEFINE(PT_TEXT_END_ADDR, 4 + sizeof(struct pt_regs));/* Needed by gdb */
DEFINE(PT_DATA_ADDR, 8 + sizeof(struct pt_regs)); /* Needed by gdb */
DEFINE(PT_FDPIC_EXEC, 12 + sizeof(struct pt_regs)); /* Needed by gdb */
DEFINE(PT_FDPIC_INTERP, 16 + sizeof(struct pt_regs));/* Needed by gdb */
/* signal defines */
DEFINE(SIGSEGV, SIGSEGV);
DEFINE(SIGTRAP, SIGTRAP);
/* PDA management (in L1 scratchpad) */
DEFINE(PDA_SYSCFG, offsetof(struct blackfin_pda, syscfg));
#ifdef CONFIG_SMP
DEFINE(PDA_IRQFLAGS, offsetof(struct blackfin_pda, imask));
#endif
DEFINE(PDA_IPDT, offsetof(struct blackfin_pda, ipdt));
DEFINE(PDA_IPDT_SWAPCOUNT, offsetof(struct blackfin_pda, ipdt_swapcount));
DEFINE(PDA_DPDT, offsetof(struct blackfin_pda, dpdt));
DEFINE(PDA_DPDT_SWAPCOUNT, offsetof(struct blackfin_pda, dpdt_swapcount));
DEFINE(PDA_EXIPTR, offsetof(struct blackfin_pda, ex_iptr));
DEFINE(PDA_EXOPTR, offsetof(struct blackfin_pda, ex_optr));
DEFINE(PDA_EXBUF, offsetof(struct blackfin_pda, ex_buf));
DEFINE(PDA_EXIMASK, offsetof(struct blackfin_pda, ex_imask));
DEFINE(PDA_EXSTACK, offsetof(struct blackfin_pda, ex_stack));
DEFINE(PDA_EXIPEND, offsetof(struct blackfin_pda, ex_ipend));
#ifdef ANOMALY_05000261
DEFINE(PDA_LFRETX, offsetof(struct blackfin_pda, last_cplb_fault_retx));
#endif
DEFINE(PDA_DCPLB, offsetof(struct blackfin_pda, dcplb_fault_addr));
DEFINE(PDA_ICPLB, offsetof(struct blackfin_pda, icplb_fault_addr));
DEFINE(PDA_RETX, offsetof(struct blackfin_pda, retx));
DEFINE(PDA_SEQSTAT, offsetof(struct blackfin_pda, seqstat));
#ifdef CONFIG_DEBUG_DOUBLEFAULT
DEFINE(PDA_DF_DCPLB, offsetof(struct blackfin_pda, dcplb_doublefault_addr));
DEFINE(PDA_DF_ICPLB, offsetof(struct blackfin_pda, icplb_doublefault_addr));
DEFINE(PDA_DF_SEQSTAT, offsetof(struct blackfin_pda, seqstat_doublefault));
DEFINE(PDA_DF_RETX, offsetof(struct blackfin_pda, retx_doublefault));
#endif
/* PDA initial management */
DEFINE(PDA_INIT_RETX, offsetof(struct blackfin_initial_pda, retx));
#ifdef CONFIG_DEBUG_DOUBLEFAULT
DEFINE(PDA_INIT_DF_DCPLB, offsetof(struct blackfin_initial_pda, dcplb_doublefault_addr));
DEFINE(PDA_INIT_DF_ICPLB, offsetof(struct blackfin_initial_pda, icplb_doublefault_addr));
DEFINE(PDA_INIT_DF_SEQSTAT, offsetof(struct blackfin_initial_pda, seqstat_doublefault));
DEFINE(PDA_INIT_DF_RETX, offsetof(struct blackfin_initial_pda, retx_doublefault));
#endif
#ifdef CONFIG_SMP
/* Inter-core lock (in L2 SRAM) */
DEFINE(SIZEOF_CORELOCK, sizeof(struct corelock_slot));
#endif
return 0;
}
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