text: /*
   * offset.c: Calculate pt_regs and task_struct offsets.
   *
   * Copyright (C) 1996 David S. Miller
   * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Ralf Baechle
   * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
   *
   * Kevin Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
   * Copyright (C) 2000 MIPS Technologies, Inc.
   */
  #include <linux/types.h>
  #include <linux/sched.h>
  #include <linux/mm.h>
  
  #include <asm/ptrace.h>
  #include <asm/processor.h>
  
  #define text(t) __asm__("\n@@@" t)
  #define _offset(type, member) (&(((type *)NULL)->member))
  
  #define offset(string, ptr, member) \
  	__asm__("\n@@@" string "%0" : : "i" (_offset(ptr, member)))
  #define constant(string, member) \
  	__asm__("\n@@@" string "%x0" : : "i" (member))
  #define size(string, size) \
  	__asm__("\n@@@" string "%0" : : "i" (sizeof(size)))
  #define linefeed text("")
  
  text("/* DO NOT TOUCH, AUTOGENERATED BY OFFSET.C */");
  linefeed;
  text("#ifndef _MIPS_OFFSET_H");
  text("#define _MIPS_OFFSET_H");
  linefeed;
  
  void output_ptreg_defines(void)
  {
  	text("/* MIPS pt_regs offsets. */");
  	offset("#define PT_R0     ", struct pt_regs, regs[0]);
  	offset("#define PT_R1     ", struct pt_regs, regs[1]);
  	offset("#define PT_R2     ", struct pt_regs, regs[2]);
  	offset("#define PT_R3     ", struct pt_regs, regs[3]);
  	offset("#define PT_R4     ", struct pt_regs, regs[4]);
  	offset("#define PT_R5     ", struct pt_regs, regs[5]);
  	offset("#define PT_R6     ", struct pt_regs, regs[6]);
  	offset("#define PT_R7     ", struct pt_regs, regs[7]);
  	offset("#define PT_R8     ", struct pt_regs, regs[8]);
  	offset("#define PT_R9     ", struct pt_regs, regs[9]);
  	offset("#define PT_R10    ", struct pt_regs, regs[10]);
  	offset("#define PT_R11    ", struct pt_regs, regs[11]);
  	offset("#define PT_R12    ", struct pt_regs, regs[12]);
  	offset("#define PT_R13    ", struct pt_regs, regs[13]);
  	offset("#define PT_R14    ", struct pt_regs, regs[14]);
  	offset("#define PT_R15    ", struct pt_regs, regs[15]);
  	offset("#define PT_R16    ", struct pt_regs, regs[16]);
  	offset("#define PT_R17    ", struct pt_regs, regs[17]);
  	offset("#define PT_R18    ", struct pt_regs, regs[18]);
  	offset("#define PT_R19    ", struct pt_regs, regs[19]);
  	offset("#define PT_R20    ", struct pt_regs, regs[20]);
  	offset("#define PT_R21    ", struct pt_regs, regs[21]);
  	offset("#define PT_R22    ", struct pt_regs, regs[22]);
  	offset("#define PT_R23    ", struct pt_regs, regs[23]);
  	offset("#define PT_R24    ", struct pt_regs, regs[24]);
  	offset("#define PT_R25    ", struct pt_regs, regs[25]);
  	offset("#define PT_R26    ", struct pt_regs, regs[26]);
  	offset("#define PT_R27    ", struct pt_regs, regs[27]);
  	offset("#define PT_R28    ", struct pt_regs, regs[28]);
  	offset("#define PT_R29    ", struct pt_regs, regs[29]);
  	offset("#define PT_R30    ", struct pt_regs, regs[30]);
  	offset("#define PT_R31    ", struct pt_regs, regs[31]);
  	offset("#define PT_LO     ", struct pt_regs, lo);
  	offset("#define PT_HI     ", struct pt_regs, hi);
  	offset("#define PT_EPC    ", struct pt_regs, cp0_epc);
  	offset("#define PT_BVADDR ", struct pt_regs, cp0_badvaddr);
  	offset("#define PT_STATUS ", struct pt_regs, cp0_status);
  	offset("#define PT_CAUSE  ", struct pt_regs, cp0_cause);
  	size("#define PT_SIZE   ", struct pt_regs);
  	linefeed;
  }
  
  void output_task_defines(void)
  {
  	text("/* MIPS task_struct offsets. */");
  	offset("#define TASK_STATE         ", struct task_struct, state);
  	offset("#define TASK_FLAGS         ", struct task_struct, flags);
  	constant("  #define _PT_TRACESYS        ", PT_TRACESYS);
  	offset("#define TASK_SIGPENDING    ", struct task_struct, sigpending);
  	offset("#define TASK_NEED_RESCHED  ", struct task_struct, need_resched);
  	offset("#define TASK_PTRACE        ", struct task_struct, ptrace);
  	offset("#define TASK_COUNTER       ", struct task_struct, counter);
  	offset("#define TASK_NICE          ", struct task_struct, nice);
  	offset("#define TASK_MM            ", struct task_struct, mm);
  	offset("#define TASK_PROCESSOR     ", struct task_struct, processor);
  	offset("#define TASK_PID           ", struct task_struct, pid);
  	size(  "#define TASK_STRUCT_SIZE   ", struct task_struct);
  	linefeed;
  }
  
  void output_thread_defines(void)
  {
  	text("/* MIPS specific thread_struct offsets. */");
  	offset("#define THREAD_REG16   ", struct task_struct, thread.reg16);
  	offset("#define THREAD_REG17   ", struct task_struct, thread.reg17);
  	offset("#define THREAD_REG18   ", struct task_struct, thread.reg18);
  	offset("#define THREAD_REG19   ", struct task_struct, thread.reg19);
  	offset("#define THREAD_REG20   ", struct task_struct, thread.reg20);
  	offset("#define THREAD_REG21   ", struct task_struct, thread.reg21);
  	offset("#define THREAD_REG22   ", struct task_struct, thread.reg22);
  	offset("#define THREAD_REG23   ", struct task_struct, thread.reg23);
  	offset("#define THREAD_REG29   ", struct task_struct, thread.reg29);
  	offset("#define THREAD_REG30   ", struct task_struct, thread.reg30);
  	offset("#define THREAD_REG31   ", struct task_struct, thread.reg31);
  	offset("#define THREAD_STATUS  ", struct task_struct, \
  	       thread.cp0_status);
  	offset("#define THREAD_FPU     ", struct task_struct, thread.fpu);
  	offset("#define THREAD_BVADDR  ", struct task_struct, \
  	       thread.cp0_badvaddr);
  	offset("#define THREAD_BUADDR  ", struct task_struct, \
  	       thread.cp0_baduaddr);
  	offset("#define THREAD_ECODE   ", struct task_struct, \
  	       thread.error_code);
  	offset("#define THREAD_TRAPNO  ", struct task_struct, thread.trap_no);
  	offset("#define THREAD_MFLAGS  ", struct task_struct, thread.mflags);
  	offset("#define THREAD_CURDS   ", struct task_struct, \
  	       thread.current_ds);
  	offset("#define THREAD_TRAMP   ", struct task_struct, \
  	       thread.irix_trampoline);
  	offset("#define THREAD_OLDCTX  ", struct task_struct, \
  	       thread.irix_oldctx);
  	linefeed;
  }
  
  void output_mm_defines(void)
  {
  	text("/* Linux mm_struct offsets. */");
  	offset("#define MM_USERS      ", struct mm_struct, mm_users);
  	offset("#define MM_PGD        ", struct mm_struct, pgd);
  	offset("#define MM_CONTEXT    ", struct mm_struct, context);
  	linefeed;
  	constant("#define _PAGE_SIZE     ", PAGE_SIZE);
  	constant("#define _PGD_ORDER     ", PGD_ORDER);
  	constant("#define _PGDIR_SHIFT   ", PGDIR_SHIFT);
  	linefeed;
  }
  
  void output_sc_defines(void)
  {
  	text("/* Linux sigcontext offsets. */");
  	offset("#define SC_REGS       ", struct sigcontext, sc_regs);
  	offset("#define SC_FPREGS     ", struct sigcontext, sc_fpregs);
  	offset("#define SC_MDHI       ", struct sigcontext, sc_mdhi);
  	offset("#define SC_MDLO       ", struct sigcontext, sc_mdlo);
  	offset("#define SC_PC         ", struct sigcontext, sc_pc);
  	offset("#define SC_STATUS     ", struct sigcontext, sc_status);
  	offset("#define SC_FPC_CSR    ", struct sigcontext, sc_fpc_csr);
  	offset("#define SC_FPC_EIR    ", struct sigcontext, sc_fpc_eir);
  	offset("#define SC_CAUSE      ", struct sigcontext, sc_cause);
  	offset("#define SC_BADVADDR   ", struct sigcontext, sc_badvaddr);
  	linefeed;
  }
  
  void output_signal_defined(void)
  {
  	text("/* Linux signal numbers. */");
  	constant("#define _SIGHUP     ", SIGHUP);
  	constant("#define _SIGINT     ", SIGINT);
  	constant("#define _SIGQUIT    ", SIGQUIT);
  	constant("#define _SIGILL     ", SIGILL);
  	constant("#define _SIGTRAP    ", SIGTRAP);
  	constant("#define _SIGIOT     ", SIGIOT);
  	constant("#define _SIGABRT    ", SIGABRT);
  	constant("#define _SIGEMT     ", SIGEMT);
  	constant("#define _SIGFPE     ", SIGFPE);
  	constant("#define _SIGKILL    ", SIGKILL);
  	constant("#define _SIGBUS     ", SIGBUS);
  	constant("#define _SIGSEGV    ", SIGSEGV);
  	constant("#define _SIGSYS     ", SIGSYS);
  	constant("#define _SIGPIPE    ", SIGPIPE);
  	constant("#define _SIGALRM    ", SIGALRM);
  	constant("#define _SIGTERM    ", SIGTERM);
  	constant("#define _SIGUSR1    ", SIGUSR1);
  	constant("#define _SIGUSR2    ", SIGUSR2);
  	constant("#define _SIGCHLD    ", SIGCHLD);
  	constant("#define _SIGPWR     ", SIGPWR);
  	constant("#define _SIGWINCH   ", SIGWINCH);
  	constant("#define _SIGURG     ", SIGURG);
  	constant("#define _SIGIO      ", SIGIO);
  	constant("#define _SIGSTOP    ", SIGSTOP);
  	constant("#define _SIGTSTP    ", SIGTSTP);
  	constant("#define _SIGCONT    ", SIGCONT);
  	constant("#define _SIGTTIN    ", SIGTTIN);
  	constant("#define _SIGTTOU    ", SIGTTOU);
  	constant("#define _SIGVTALRM  ", SIGVTALRM);
  	constant("#define _SIGPROF    ", SIGPROF);
  	constant("#define _SIGXCPU    ", SIGXCPU);
  	constant("#define _SIGXFSZ    ", SIGXFSZ);
  }
  
  text("#endif /* !(_MIPS_OFFSET_H) */");
  