/* * 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/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); #ifdef CONFIG_CPU_HAS_SMARTMIPS offset("#define PT_ACX ", struct pt_regs, acx); #endif 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); #ifdef CONFIG_MIPS_MT_SMTC offset("#define PT_TCSTATUS ", struct pt_regs, cp0_tcstatus); #endif /* CONFIG_MIPS_MT_SMTC */ 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, stack); 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_TP_VALUE ", struct thread_info, tp_value); 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); offset("#define TI_REGS ", struct thread_info, regs); 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.fpr[0]); offset("#define THREAD_FPR1 ", struct task_struct, thread.fpu.fpr[1]); offset("#define THREAD_FPR2 ", struct task_struct, thread.fpu.fpr[2]); offset("#define THREAD_FPR3 ", struct task_struct, thread.fpu.fpr[3]); offset("#define THREAD_FPR4 ", struct task_struct, thread.fpu.fpr[4]); offset("#define THREAD_FPR5 ", struct task_struct, thread.fpu.fpr[5]); offset("#define THREAD_FPR6 ", struct task_struct, thread.fpu.fpr[6]); offset("#define THREAD_FPR7 ", struct task_struct, thread.fpu.fpr[7]); offset("#define THREAD_FPR8 ", struct task_struct, thread.fpu.fpr[8]); offset("#define THREAD_FPR9 ", struct task_struct, thread.fpu.fpr[9]); offset("#define THREAD_FPR10 ", struct task_struct, thread.fpu.fpr[10]); offset("#define THREAD_FPR11 ", struct task_struct, thread.fpu.fpr[11]); offset("#define THREAD_FPR12 ", struct task_struct, thread.fpu.fpr[12]); offset("#define THREAD_FPR13 ", struct task_struct, thread.fpu.fpr[13]); offset("#define THREAD_FPR14 ", struct task_struct, thread.fpu.fpr[14]); offset("#define THREAD_FPR15 ", struct task_struct, thread.fpu.fpr[15]); offset("#define THREAD_FPR16 ", struct task_struct, thread.fpu.fpr[16]); offset("#define THREAD_FPR17 ", struct task_struct, thread.fpu.fpr[17]); offset("#define THREAD_FPR18 ", struct task_struct, thread.fpu.fpr[18]); offset("#define THREAD_FPR19 ", struct task_struct, thread.fpu.fpr[19]); offset("#define THREAD_FPR20 ", struct task_struct, thread.fpu.fpr[20]); offset("#define THREAD_FPR21 ", struct task_struct, thread.fpu.fpr[21]); offset("#define THREAD_FPR22 ", struct task_struct, thread.fpu.fpr[22]); offset("#define THREAD_FPR23 ", struct task_struct, thread.fpu.fpr[23]); offset("#define THREAD_FPR24 ", struct task_struct, thread.fpu.fpr[24]); offset("#define THREAD_FPR25 ", struct task_struct, thread.fpu.fpr[25]); offset("#define THREAD_FPR26 ", struct task_struct, thread.fpu.fpr[26]); offset("#define THREAD_FPR27 ", struct task_struct, thread.fpu.fpr[27]); offset("#define THREAD_FPR28 ", struct task_struct, thread.fpu.fpr[28]); offset("#define THREAD_FPR29 ", struct task_struct, thread.fpu.fpr[29]); offset("#define THREAD_FPR30 ", struct task_struct, thread.fpu.fpr[30]); offset("#define THREAD_FPR31 ", struct task_struct, thread.fpu.fpr[31]); offset("#define THREAD_FCR31 ", struct task_struct, thread.fpu.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 _PTRS_PER_PGD ", PTRS_PER_PGD); constant("#define _PTRS_PER_PMD ", PTRS_PER_PMD); constant("#define _PTRS_PER_PTE ", PTRS_PER_PTE); linefeed; } #ifdef CONFIG_32BIT 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_ACX ", struct sigcontext, sc_acx); 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_FPC_CSR ", struct sigcontext, sc_fpc_csr); offset("#define SC_FPC_EIR ", struct sigcontext, sc_fpc_eir); offset("#define SC_HI1 ", struct sigcontext, sc_hi1); offset("#define SC_LO1 ", struct sigcontext, sc_lo1); offset("#define SC_HI2 ", struct sigcontext, sc_hi2); offset("#define SC_LO2 ", struct sigcontext, sc_lo2); offset("#define SC_HI3 ", struct sigcontext, sc_hi3); offset("#define SC_LO3 ", struct sigcontext, sc_lo3); linefeed; } #endif #ifdef CONFIG_64BIT 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_FPC_CSR ", struct sigcontext, sc_fpc_csr); linefeed; } #endif #ifdef CONFIG_MIPS32_COMPAT void 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; }