/* $Id: offset.c,v 1.4 1999/12/04 03:59:01 ralf Exp $ * * offset.c: Calculate pt_regs and task_struct offsets. * * Copyright (C) 1996 David S. Miller * Copyright (C) 1997, 1998, 1999 Ralf Baechle * Copyright (C) 1999 Silicon Graphics, Inc. */ #include #include #include #include #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 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); offset("#define TASK_SIGPENDING ", struct task_struct, sigpending); offset("#define TASK_NEED_RESCHED ", struct task_struct, need_resched); offset("#define TASK_COUNTER ", struct task_struct, counter); offset("#define TASK_PRIORITY ", struct task_struct, priority); offset("#define TASK_MM ", struct task_struct, mm); offset("#define TASK_PROCESSOR ", struct task_struct, processor); 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; } 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_OWNEDFP ", struct sigcontext, sc_ownedfp); 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; } text("#endif /* !(_MIPS_OFFSET_H) */");