/* * offset.c: Calculate pt_regs and task_struct offsets. * * Copyright (C) 1996 David S. Miller * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003 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/config.h>#include <linux/compat.h>#include <linux/types.h>#include <linux/sched.h>#include <linux/mm.h>#include <linux/interrupt.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" : : "ri" (member))#define size(string, size) \	__asm__("\n@@@" string "%0" : : "i" (sizeof(size)))#define linefeed text("") 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_THREAD_INFO   ", struct task_struct, thread_info);	offset("#define TASK_FLAGS         ", struct task_struct, flags);	offset("#define TASK_MM            ", struct task_struct, mm);	offset("#define TASK_PID           ", struct task_struct, pid);	size(  "#define TASK_STRUCT_SIZE   ", struct task_struct);	linefeed;} void output_thread_info_defines(void){	text("/* MIPS thread_info offsets. */");	offset("#define TI_TASK            ", struct thread_info, task);	offset("#define TI_EXEC_DOMAIN     ", struct thread_info, exec_domain);	offset("#define TI_FLAGS           ", struct thread_info, flags);	offset("#define TI_CPU             ", struct thread_info, cpu);	offset("#define TI_PRE_COUNT       ", struct thread_info, preempt_count);	offset("#define TI_ADDR_LIMIT      ", struct thread_info, addr_limit);	offset("#define TI_RESTART_BLOCK   ", struct thread_info, restart_block);	constant("#define _THREAD_SIZE_ORDER ", THREAD_SIZE_ORDER);	constant("#define _THREAD_SIZE       ", THREAD_SIZE);	constant("#define _THREAD_MASK       ", THREAD_MASK);	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_TRAMP   ", struct task_struct, \	       thread.irix_trampoline);	offset("#define THREAD_OLDCTX  ", struct task_struct, \	       thread.irix_oldctx);	linefeed;} void output_thread_fpu_defines(void){	offset("#define THREAD_FPR0    ",	       struct task_struct, thread.fpu.hard.fpr[0]);	offset("#define THREAD_FPR1    ",	       struct task_struct, thread.fpu.hard.fpr[1]);	offset("#define THREAD_FPR2    ",	       struct task_struct, thread.fpu.hard.fpr[2]);	offset("#define THREAD_FPR3    ",	       struct task_struct, thread.fpu.hard.fpr[3]);	offset("#define THREAD_FPR4    ",	       struct task_struct, thread.fpu.hard.fpr[4]);	offset("#define THREAD_FPR5    ",	       struct task_struct, thread.fpu.hard.fpr[5]);	offset("#define THREAD_FPR6    ",	       struct task_struct, thread.fpu.hard.fpr[6]);	offset("#define THREAD_FPR7    ",	       struct task_struct, thread.fpu.hard.fpr[7]);	offset("#define THREAD_FPR8    ",	       struct task_struct, thread.fpu.hard.fpr[8]);	offset("#define THREAD_FPR9    ",	       struct task_struct, thread.fpu.hard.fpr[9]);	offset("#define THREAD_FPR10   ",	       struct task_struct, thread.fpu.hard.fpr[10]);	offset("#define THREAD_FPR11   ",	       struct task_struct, thread.fpu.hard.fpr[11]);	offset("#define THREAD_FPR12   ",	       struct task_struct, thread.fpu.hard.fpr[12]);	offset("#define THREAD_FPR13   ",	       struct task_struct, thread.fpu.hard.fpr[13]);	offset("#define THREAD_FPR14   ",	       struct task_struct, thread.fpu.hard.fpr[14]);	offset("#define THREAD_FPR15   ",	       struct task_struct, thread.fpu.hard.fpr[15]);	offset("#define THREAD_FPR16   ",	       struct task_struct, thread.fpu.hard.fpr[16]);	offset("#define THREAD_FPR17   ",	       struct task_struct, thread.fpu.hard.fpr[17]);	offset("#define THREAD_FPR18   ",	       struct task_struct, thread.fpu.hard.fpr[18]);	offset("#define THREAD_FPR19   ",	       struct task_struct, thread.fpu.hard.fpr[19]);	offset("#define THREAD_FPR20   ",	       struct task_struct, thread.fpu.hard.fpr[20]);	offset("#define THREAD_FPR21   ",	       struct task_struct, thread.fpu.hard.fpr[21]);	offset("#define THREAD_FPR22   ",	       struct task_struct, thread.fpu.hard.fpr[22]);	offset("#define THREAD_FPR23   ",	       struct task_struct, thread.fpu.hard.fpr[23]);	offset("#define THREAD_FPR24   ",	       struct task_struct, thread.fpu.hard.fpr[24]);	offset("#define THREAD_FPR25   ",	       struct task_struct, thread.fpu.hard.fpr[25]);	offset("#define THREAD_FPR26   ",	       struct task_struct, thread.fpu.hard.fpr[26]);	offset("#define THREAD_FPR27   ",	       struct task_struct, thread.fpu.hard.fpr[27]);	offset("#define THREAD_FPR28   ",	       struct task_struct, thread.fpu.hard.fpr[28]);	offset("#define THREAD_FPR29   ",	       struct task_struct, thread.fpu.hard.fpr[29]);	offset("#define THREAD_FPR30   ",	       struct task_struct, thread.fpu.hard.fpr[30]);	offset("#define THREAD_FPR31   ",	       struct task_struct, thread.fpu.hard.fpr[31]); 	offset("#define THREAD_FCR31   ",	       struct task_struct, thread.fpu.hard.fcr31);	linefeed;} void output_mm_defines(void){	text("/* Size of struct page  */");	size("#define STRUCT_PAGE_SIZE   ", struct page);	linefeed;	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 _PAGE_SHIFT    ", PAGE_SHIFT);	linefeed;	constant("#define _PGD_T_SIZE    ", sizeof(pgd_t));	constant("#define _PMD_T_SIZE    ", sizeof(pmd_t));	constant("#define _PTE_T_SIZE    ", sizeof(pte_t));	linefeed;	constant("#define _PGD_T_LOG2    ", PGD_T_LOG2);	constant("#define _PMD_T_LOG2    ", PMD_T_LOG2);	constant("#define _PTE_T_LOG2    ", PTE_T_LOG2);	linefeed;	constant("#define _PMD_SHIFT     ", PMD_SHIFT);	constant("#define _PGDIR_SHIFT   ", PGDIR_SHIFT);	linefeed;	constant("#define _PGD_ORDER     ", PGD_ORDER);	constant("#define _PMD_ORDER     ", PMD_ORDER);	constant("#define _PTE_ORDER     ", PTE_ORDER);	linefeed;	constant("#define _PTRS_PER_PGD  ", PTRS_PER_PGD);	constant("#define _PTRS_PER_PMD  ", PTRS_PER_PMD);	constant("#define _PTRS_PER_PTE  ", PTRS_PER_PTE);	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;} #ifdef CONFIG_MIPS32_COMPATvoid output_sc32_defines(void){	text("/* Linux 32-bit sigcontext offsets. */");	offset("#define SC32_FPREGS     ", struct sigcontext32, sc_fpregs);	offset("#define SC32_FPC_CSR    ", struct sigcontext32, sc_fpc_csr);	offset("#define SC32_FPC_EIR    ", struct sigcontext32, sc_fpc_eir);	linefeed;}#endif 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);	linefeed;} void output_irq_cpustat_t_defines(void){	text("/* Linux irq_cpustat_t offsets. */");	offset("#define IC_SOFTIRQ_PENDING ", irq_cpustat_t, __softirq_pending);	size("#define IC_IRQ_CPUSTAT_T   ", irq_cpustat_t);	linefeed;}