1/* 2 * offset.c: Calculate pt_regs and task_struct offsets. 3 * 4 * Copyright (C) 1996 David S. Miller 5 * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Ralf Baechle 6 * Copyright (C) 1999, 2000 Silicon Graphics, Inc. 7 * 8 * Kevin Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com 9 * Copyright (C) 2000 MIPS Technologies, Inc. 10 */ 11#include <linux/types.h> 12#include <linux/sched.h> 13#include <linux/mm.h> 14 15#include <asm/ptrace.h> 16#include <asm/processor.h> 17 18#define text(t) __asm__("\n@@@" t) 19#define _offset(type, member) (&(((type *)NULL)->member)) 20 21#define offset(string, ptr, member) \ 22 __asm__("\n@@@" string "%0" : : "i" (_offset(ptr, member))) 23#define constant(string, member) \ 24 __asm__("\n@@@" string "%x0" : : "i" (member)) 25#define size(string, size) \ 26 __asm__("\n@@@" string "%0" : : "i" (sizeof(size))) 27#define linefeed text("") 28 29text("/* DO NOT TOUCH, AUTOGENERATED BY OFFSET.C */"); 30linefeed; 31text("#ifndef _MIPS_OFFSET_H"); 32text("#define _MIPS_OFFSET_H"); 33linefeed; 34 35void output_ptreg_defines(void) 36{ 37 text("/* MIPS pt_regs offsets. */"); 38 offset("#define PT_R0 ", struct pt_regs, regs[0]); 39 offset("#define PT_R1 ", struct pt_regs, regs[1]); 40 offset("#define PT_R2 ", struct pt_regs, regs[2]); 41 offset("#define PT_R3 ", struct pt_regs, regs[3]); 42 offset("#define PT_R4 ", struct pt_regs, regs[4]); 43 offset("#define PT_R5 ", struct pt_regs, regs[5]); 44 offset("#define PT_R6 ", struct pt_regs, regs[6]); 45 offset("#define PT_R7 ", struct pt_regs, regs[7]); 46 offset("#define PT_R8 ", struct pt_regs, regs[8]); 47 offset("#define PT_R9 ", struct pt_regs, regs[9]); 48 offset("#define PT_R10 ", struct pt_regs, regs[10]); 49 offset("#define PT_R11 ", struct pt_regs, regs[11]); 50 offset("#define PT_R12 ", struct pt_regs, regs[12]); 51 offset("#define PT_R13 ", struct pt_regs, regs[13]); 52 offset("#define PT_R14 ", struct pt_regs, regs[14]); 53 offset("#define PT_R15 ", struct pt_regs, regs[15]); 54 offset("#define PT_R16 ", struct pt_regs, regs[16]); 55 offset("#define PT_R17 ", struct pt_regs, regs[17]); 56 offset("#define PT_R18 ", struct pt_regs, regs[18]); 57 offset("#define PT_R19 ", struct pt_regs, regs[19]); 58 offset("#define PT_R20 ", struct pt_regs, regs[20]); 59 offset("#define PT_R21 ", struct pt_regs, regs[21]); 60 offset("#define PT_R22 ", struct pt_regs, regs[22]); 61 offset("#define PT_R23 ", struct pt_regs, regs[23]); 62 offset("#define PT_R24 ", struct pt_regs, regs[24]); 63 offset("#define PT_R25 ", struct pt_regs, regs[25]); 64 offset("#define PT_R26 ", struct pt_regs, regs[26]); 65 offset("#define PT_R27 ", struct pt_regs, regs[27]); 66 offset("#define PT_R28 ", struct pt_regs, regs[28]); 67 offset("#define PT_R29 ", struct pt_regs, regs[29]); 68 offset("#define PT_R30 ", struct pt_regs, regs[30]); 69 offset("#define PT_R31 ", struct pt_regs, regs[31]); 70 offset("#define PT_LO ", struct pt_regs, lo); 71 offset("#define PT_HI ", struct pt_regs, hi); 72 offset("#define PT_EPC ", struct pt_regs, cp0_epc); 73 offset("#define PT_BVADDR ", struct pt_regs, cp0_badvaddr); 74 offset("#define PT_STATUS ", struct pt_regs, cp0_status); 75 offset("#define PT_CAUSE ", struct pt_regs, cp0_cause); 76 size("#define PT_SIZE ", struct pt_regs); 77 linefeed; 78} 79 80void output_task_defines(void) 81{ 82 text("/* MIPS task_struct offsets. */"); 83 offset("#define TASK_STATE ", struct task_struct, state); 84 offset("#define TASK_FLAGS ", struct task_struct, flags); 85 constant(" #define _PT_TRACESYS ", PT_TRACESYS); 86 offset("#define TASK_SIGPENDING ", struct task_struct, sigpending); 87 offset("#define TASK_NEED_RESCHED ", struct task_struct, need_resched); 88 offset("#define TASK_PTRACE ", struct task_struct, ptrace); 89 offset("#define TASK_COUNTER ", struct task_struct, counter); 90 offset("#define TASK_NICE ", struct task_struct, nice); 91 offset("#define TASK_MM ", struct task_struct, mm); 92 offset("#define TASK_PROCESSOR ", struct task_struct, processor); 93 offset("#define TASK_PID ", struct task_struct, pid); 94 size( "#define TASK_STRUCT_SIZE ", struct task_struct); 95 linefeed; 96} 97 98void output_thread_defines(void) 99{ 100 text("/* MIPS specific thread_struct offsets. */"); 101 offset("#define THREAD_REG16 ", struct task_struct, thread.reg16); 102 offset("#define THREAD_REG17 ", struct task_struct, thread.reg17); 103 offset("#define THREAD_REG18 ", struct task_struct, thread.reg18); 104 offset("#define THREAD_REG19 ", struct task_struct, thread.reg19); 105 offset("#define THREAD_REG20 ", struct task_struct, thread.reg20); 106 offset("#define THREAD_REG21 ", struct task_struct, thread.reg21); 107 offset("#define THREAD_REG22 ", struct task_struct, thread.reg22); 108 offset("#define THREAD_REG23 ", struct task_struct, thread.reg23); 109 offset("#define THREAD_REG29 ", struct task_struct, thread.reg29); 110 offset("#define THREAD_REG30 ", struct task_struct, thread.reg30); 111 offset("#define THREAD_REG31 ", struct task_struct, thread.reg31); 112 offset("#define THREAD_STATUS ", struct task_struct, \ 113 thread.cp0_status); 114 offset("#define THREAD_FPU ", struct task_struct, thread.fpu); 115 offset("#define THREAD_BVADDR ", struct task_struct, \ 116 thread.cp0_badvaddr); 117 offset("#define THREAD_BUADDR ", struct task_struct, \ 118 thread.cp0_baduaddr); 119 offset("#define THREAD_ECODE ", struct task_struct, \ 120 thread.error_code); 121 offset("#define THREAD_TRAPNO ", struct task_struct, thread.trap_no); 122 offset("#define THREAD_MFLAGS ", struct task_struct, thread.mflags); 123 offset("#define THREAD_CURDS ", struct task_struct, \ 124 thread.current_ds); 125 offset("#define THREAD_TRAMP ", struct task_struct, \ 126 thread.irix_trampoline); 127 offset("#define THREAD_OLDCTX ", struct task_struct, \ 128 thread.irix_oldctx); 129 linefeed; 130} 131 132void output_mm_defines(void) 133{ 134 text("/* Linux mm_struct offsets. */"); 135 offset("#define MM_USERS ", struct mm_struct, mm_users); 136 offset("#define MM_PGD ", struct mm_struct, pgd); 137 offset("#define MM_CONTEXT ", struct mm_struct, context); 138 linefeed; 139 constant("#define _PAGE_SIZE ", PAGE_SIZE); 140 constant("#define _PGD_ORDER ", PGD_ORDER); 141 constant("#define _PGDIR_SHIFT ", PGDIR_SHIFT); 142 linefeed; 143} 144 145void output_sc_defines(void) 146{ 147 text("/* Linux sigcontext offsets. */"); 148 offset("#define SC_REGS ", struct sigcontext, sc_regs); 149 offset("#define SC_FPREGS ", struct sigcontext, sc_fpregs); 150 offset("#define SC_MDHI ", struct sigcontext, sc_mdhi); 151 offset("#define SC_MDLO ", struct sigcontext, sc_mdlo); 152 offset("#define SC_PC ", struct sigcontext, sc_pc); 153 offset("#define SC_STATUS ", struct sigcontext, sc_status); 154 offset("#define SC_FPC_CSR ", struct sigcontext, sc_fpc_csr); 155 offset("#define SC_FPC_EIR ", struct sigcontext, sc_fpc_eir); 156 offset("#define SC_CAUSE ", struct sigcontext, sc_cause); 157 offset("#define SC_BADVADDR ", struct sigcontext, sc_badvaddr); 158 linefeed; 159} 160 161void output_signal_defined(void) 162{ 163 text("/* Linux signal numbers. */"); 164 constant("#define _SIGHUP ", SIGHUP); 165 constant("#define _SIGINT ", SIGINT); 166 constant("#define _SIGQUIT ", SIGQUIT); 167 constant("#define _SIGILL ", SIGILL); 168 constant("#define _SIGTRAP ", SIGTRAP); 169 constant("#define _SIGIOT ", SIGIOT); 170 constant("#define _SIGABRT ", SIGABRT); 171 constant("#define _SIGEMT ", SIGEMT); 172 constant("#define _SIGFPE ", SIGFPE); 173 constant("#define _SIGKILL ", SIGKILL); 174 constant("#define _SIGBUS ", SIGBUS); 175 constant("#define _SIGSEGV ", SIGSEGV); 176 constant("#define _SIGSYS ", SIGSYS); 177 constant("#define _SIGPIPE ", SIGPIPE); 178 constant("#define _SIGALRM ", SIGALRM); 179 constant("#define _SIGTERM ", SIGTERM); 180 constant("#define _SIGUSR1 ", SIGUSR1); 181 constant("#define _SIGUSR2 ", SIGUSR2); 182 constant("#define _SIGCHLD ", SIGCHLD); 183 constant("#define _SIGPWR ", SIGPWR); 184 constant("#define _SIGWINCH ", SIGWINCH); 185 constant("#define _SIGURG ", SIGURG); 186 constant("#define _SIGIO ", SIGIO); 187 constant("#define _SIGSTOP ", SIGSTOP); 188 constant("#define _SIGTSTP ", SIGTSTP); 189 constant("#define _SIGCONT ", SIGCONT); 190 constant("#define _SIGTTIN ", SIGTTIN); 191 constant("#define _SIGTTOU ", SIGTTOU); 192 constant("#define _SIGVTALRM ", SIGVTALRM); 193 constant("#define _SIGPROF ", SIGPROF); 194 constant("#define _SIGXCPU ", SIGXCPU); 195 constant("#define _SIGXFSZ ", SIGXFSZ); 196} 197 198text("#endif /* !(_MIPS_OFFSET_H) */"); 199