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/*
* 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.
*
* 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 <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 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_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_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);
offset("#define THREAD_DSEEPC ", struct task_struct, \
thread.dsemul_epc);
offset("#define THREAD_DSEAERPC ", struct task_struct, \
thread.dsemul_aerpc);
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) */");
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