/* * arch/xtensa/kernel/asm-offsets.c * * Generates definitions from c-type structures used by assembly sources. * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2005 Tensilica Inc. * * Chris Zankel <chris@zankel.net> */ #include <asm/processor.h> #include <linux/types.h> #include <linux/stddef.h> #include <linux/thread_info.h> #include <linux/ptrace.h> #include <asm/ptrace.h> #include <asm/processor.h> #include <asm/uaccess.h> #define DEFINE(sym, val) asm volatile("\n->" #sym " %0 " #val : : "i" (val)) #define BLANK() asm volatile("\n->" : : ) int main(void) { /* struct pt_regs */ DEFINE(PT_PC, offsetof (struct pt_regs, pc)); DEFINE(PT_PS, offsetof (struct pt_regs, ps)); DEFINE(PT_DEPC, offsetof (struct pt_regs, depc)); DEFINE(PT_EXCCAUSE, offsetof (struct pt_regs, exccause)); DEFINE(PT_EXCVADDR, offsetof (struct pt_regs, excvaddr)); DEFINE(PT_DEBUGCAUSE, offsetof (struct pt_regs, debugcause)); DEFINE(PT_WMASK, offsetof (struct pt_regs, wmask)); DEFINE(PT_LBEG, offsetof (struct pt_regs, lbeg)); DEFINE(PT_LEND, offsetof (struct pt_regs, lend)); DEFINE(PT_LCOUNT, offsetof (struct pt_regs, lcount)); DEFINE(PT_SAR, offsetof (struct pt_regs, sar)); DEFINE(PT_SYSCALL, offsetof (struct pt_regs, syscall)); DEFINE(PT_AREG, offsetof (struct pt_regs, areg[0])); DEFINE(PT_AREG0, offsetof (struct pt_regs, areg[0])); DEFINE(PT_AREG1, offsetof (struct pt_regs, areg[1])); DEFINE(PT_AREG2, offsetof (struct pt_regs, areg[2])); DEFINE(PT_AREG3, offsetof (struct pt_regs, areg[3])); DEFINE(PT_AREG4, offsetof (struct pt_regs, areg[4])); DEFINE(PT_AREG5, offsetof (struct pt_regs, areg[5])); DEFINE(PT_AREG6, offsetof (struct pt_regs, areg[6])); DEFINE(PT_AREG7, offsetof (struct pt_regs, areg[7])); DEFINE(PT_AREG8, offsetof (struct pt_regs, areg[8])); DEFINE(PT_AREG9, offsetof (struct pt_regs, areg[9])); DEFINE(PT_AREG10, offsetof (struct pt_regs, areg[10])); DEFINE(PT_AREG11, offsetof (struct pt_regs, areg[11])); DEFINE(PT_AREG12, offsetof (struct pt_regs, areg[12])); DEFINE(PT_AREG13, offsetof (struct pt_regs, areg[13])); DEFINE(PT_AREG14, offsetof (struct pt_regs, areg[14])); DEFINE(PT_AREG15, offsetof (struct pt_regs, areg[15])); DEFINE(PT_WINDOWBASE, offsetof (struct pt_regs, windowbase)); DEFINE(PT_WINDOWSTART, offsetof(struct pt_regs, windowstart)); DEFINE(PT_SIZE, sizeof(struct pt_regs)); DEFINE(PT_AREG_END, offsetof (struct pt_regs, areg[XCHAL_NUM_AREGS])); DEFINE(PT_USER_SIZE, offsetof(struct pt_regs, areg[XCHAL_NUM_AREGS])); BLANK(); /* struct task_struct */ DEFINE(TASK_PTRACE, offsetof (struct task_struct, ptrace)); DEFINE(TASK_MM, offsetof (struct task_struct, mm)); DEFINE(TASK_ACTIVE_MM, offsetof (struct task_struct, active_mm)); DEFINE(TASK_PID, offsetof (struct task_struct, pid)); DEFINE(TASK_THREAD, offsetof (struct task_struct, thread)); DEFINE(TASK_THREAD_INFO, offsetof (struct task_struct, thread_info)); DEFINE(TASK_STRUCT_SIZE, sizeof (struct task_struct)); BLANK(); /* struct thread_info (offset from start_struct) */ DEFINE(THREAD_RA, offsetof (struct task_struct, thread.ra)); DEFINE(THREAD_SP, offsetof (struct task_struct, thread.sp)); DEFINE(THREAD_CP_SAVE, offsetof (struct task_struct, thread.cp_save)); DEFINE(THREAD_CURRENT_DS, offsetof (struct task_struct, thread.current_ds)); BLANK(); /* struct mm_struct */ DEFINE(MM_USERS, offsetof(struct mm_struct, mm_users)); DEFINE(MM_PGD, offsetof (struct mm_struct, pgd)); DEFINE(MM_CONTEXT, offsetof (struct mm_struct, context)); BLANK(); DEFINE(PT_SINGLESTEP_BIT, PT_SINGLESTEP_BIT); return 0; }