Logo Search packages:      
Sourcecode: linux version File versions  Download package

asm-offsets.c

/*
 * 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_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 _PGD_ORDER     ", PGD_ORDER);
      constant("#define _PMD_ORDER     ", PMD_ORDER);
      constant("#define _PTE_ORDER     ", PTE_ORDER);
      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;
}

Generated by  Doxygen 1.6.0   Back to index