offset.c
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:8k
- /*
- * 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_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;
- }
- 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) */");