offset.c

该文件是rt_linux

/* $Id: offset.c,v 1.2 2000/01/31 13:42:59 jsm Exp $
 *
 * offset.c: Calculate pt_regs and task_struct offsets.
 *
 * Copyright (C) 1996 David S. Miller
 * Made portable by Ralf Baechle
 * Adapted to parisc by Philipp Rumpf, (C) 1999 SuSE GmbH Nuernberg */

#include <linux/types.h>
#include <linux/sched.h>
#include <linux/version.h>

#include <asm/ptrace.h>
#include <asm/processor.h>
#include <asm/hardirq.h>
#include <asm/pdc.h>

#ifdef __LP64__
#define FRAME_SIZE	128
#else
#define FRAME_SIZE	64
#endif

#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 align(x,y) (((x)+FRAME_SIZE+(y)-1)-(((x)+(y)-1)%(y)))
#define size_align(string, size, algn) \
	__asm__("\n@@@" string "%0" : : "i" \
		align(sizeof(size),algn))
#define linefeed text("")

text("/* DO NOT TOUCH, AUTOGENERATED BY OFFSET.C */");
linefeed;
text("#ifndef _PARISC_OFFSET_H");
text("#define _PARISC_OFFSET_H");
linefeed;
#ifdef __LP64__
text("#ifndef __LP64__");
text("#error offset.h was generated for 64-bit build; did you do 'make dep'?");
#else
text("#ifdef __LP64__");
text("#error offset.h was generated for 32-bit build; did you do 'make dep'?");
#endif
text("#endif");
linefeed;

void output_task_ptreg_defines(void)
{
	text("/* PA-RISC task pt_regs offsets. */");
	offset("#define TASK_REGS       ", struct task_struct, thread.regs);
	offset("#define TASK_PT_PSW     ", struct task_struct, thread.regs.gr[ 0]);
	offset("#define TASK_PT_GR1     ", struct task_struct, thread.regs.gr[ 1]);
	offset("#define TASK_PT_GR2     ", struct task_struct, thread.regs.gr[ 2]);
	offset("#define TASK_PT_GR3     ", struct task_struct, thread.regs.gr[ 3]);
	offset("#define TASK_PT_GR4     ", struct task_struct, thread.regs.gr[ 4]);
	offset("#define TASK_PT_GR5     ", struct task_struct, thread.regs.gr[ 5]);
	offset("#define TASK_PT_GR6     ", struct task_struct, thread.regs.gr[ 6]);
	offset("#define TASK_PT_GR7     ", struct task_struct, thread.regs.gr[ 7]);
	offset("#define TASK_PT_GR8     ", struct task_struct, thread.regs.gr[ 8]);
	offset("#define TASK_PT_GR9     ", struct task_struct, thread.regs.gr[ 9]);
	offset("#define TASK_PT_GR10    ", struct task_struct, thread.regs.gr[10]);
	offset("#define TASK_PT_GR11    ", struct task_struct, thread.regs.gr[11]);
	offset("#define TASK_PT_GR12    ", struct task_struct, thread.regs.gr[12]);
	offset("#define TASK_PT_GR13    ", struct task_struct, thread.regs.gr[13]);
	offset("#define TASK_PT_GR14    ", struct task_struct, thread.regs.gr[14]);
	offset("#define TASK_PT_GR15    ", struct task_struct, thread.regs.gr[15]);
	offset("#define TASK_PT_GR16    ", struct task_struct, thread.regs.gr[16]);
	offset("#define TASK_PT_GR17    ", struct task_struct, thread.regs.gr[17]);
	offset("#define TASK_PT_GR18    ", struct task_struct, thread.regs.gr[18]);
	offset("#define TASK_PT_GR19    ", struct task_struct, thread.regs.gr[19]);
	offset("#define TASK_PT_GR20    ", struct task_struct, thread.regs.gr[20]);
	offset("#define TASK_PT_GR21    ", struct task_struct, thread.regs.gr[21]);
	offset("#define TASK_PT_GR22    ", struct task_struct, thread.regs.gr[22]);
	offset("#define TASK_PT_GR23    ", struct task_struct, thread.regs.gr[23]);
	offset("#define TASK_PT_GR24    ", struct task_struct, thread.regs.gr[24]);
	offset("#define TASK_PT_GR25    ", struct task_struct, thread.regs.gr[25]);
	offset("#define TASK_PT_GR26    ", struct task_struct, thread.regs.gr[26]);
	offset("#define TASK_PT_GR27    ", struct task_struct, thread.regs.gr[27]);
	offset("#define TASK_PT_GR28    ", struct task_struct, thread.regs.gr[28]);
	offset("#define TASK_PT_GR29    ", struct task_struct, thread.regs.gr[29]);
	offset("#define TASK_PT_GR30    ", struct task_struct, thread.regs.gr[30]);
	offset("#define TASK_PT_GR31    ", struct task_struct, thread.regs.gr[31]);
	offset("#define TASK_PT_FR0     ", struct task_struct, thread.regs.fr[ 0]);
	offset("#define TASK_PT_FR1     ", struct task_struct, thread.regs.fr[ 1]);
	offset("#define TASK_PT_FR2     ", struct task_struct, thread.regs.fr[ 2]);
	offset("#define TASK_PT_FR3     ", struct task_struct, thread.regs.fr[ 3]);
	offset("#define TASK_PT_FR4     ", struct task_struct, thread.regs.fr[ 4]);
	offset("#define TASK_PT_FR5     ", struct task_struct, thread.regs.fr[ 5]);
	offset("#define TASK_PT_FR6     ", struct task_struct, thread.regs.fr[ 6]);
	offset("#define TASK_PT_FR7     ", struct task_struct, thread.regs.fr[ 7]);
	offset("#define TASK_PT_FR8     ", struct task_struct, thread.regs.fr[ 8]);
	offset("#define TASK_PT_FR9     ", struct task_struct, thread.regs.fr[ 9]);
	offset("#define TASK_PT_FR10    ", struct task_struct, thread.regs.fr[10]);
	offset("#define TASK_PT_FR11    ", struct task_struct, thread.regs.fr[11]);
	offset("#define TASK_PT_FR12    ", struct task_struct, thread.regs.fr[12]);
	offset("#define TASK_PT_FR13    ", struct task_struct, thread.regs.fr[13]);
	offset("#define TASK_PT_FR14    ", struct task_struct, thread.regs.fr[14]);
	offset("#define TASK_PT_FR15    ", struct task_struct, thread.regs.fr[15]);
	offset("#define TASK_PT_FR16    ", struct task_struct, thread.regs.fr[16]);
	offset("#define TASK_PT_FR17    ", struct task_struct, thread.regs.fr[17]);
	offset("#define TASK_PT_FR18    ", struct task_struct, thread.regs.fr[18]);
	offset("#define TASK_PT_FR19    ", struct task_struct, thread.regs.fr[19]);
	offset("#define TASK_PT_FR20    ", struct task_struct, thread.regs.fr[20]);
	offset("#define TASK_PT_FR21    ", struct task_struct, thread.regs.fr[21]);
	offset("#define TASK_PT_FR22    ", struct task_struct, thread.regs.fr[22]);
	offset("#define TASK_PT_FR23    ", struct task_struct, thread.regs.fr[23]);
	offset("#define TASK_PT_FR24    ", struct task_struct, thread.regs.fr[24]);
	offset("#define TASK_PT_FR25    ", struct task_struct, thread.regs.fr[25]);
	offset("#define TASK_PT_FR26    ", struct task_struct, thread.regs.fr[26]);
	offset("#define TASK_PT_FR27    ", struct task_struct, thread.regs.fr[27]);
	offset("#define TASK_PT_FR28    ", struct task_struct, thread.regs.fr[28]);
	offset("#define TASK_PT_FR29    ", struct task_struct, thread.regs.fr[29]);
	offset("#define TASK_PT_FR30    ", struct task_struct, thread.regs.fr[30]);
	offset("#define TASK_PT_FR31    ", struct task_struct, thread.regs.fr[31]);
	offset("#define TASK_PT_SR0     ", struct task_struct, thread.regs.sr[ 0]);
	offset("#define TASK_PT_SR1     ", struct task_struct, thread.regs.sr[ 1]);
	offset("#define TASK_PT_SR2     ", struct task_struct, thread.regs.sr[ 2]);
	offset("#define TASK_PT_SR3     ", struct task_struct, thread.regs.sr[ 3]);
	offset("#define TASK_PT_SR4     ", struct task_struct, thread.regs.sr[ 4]);
	offset("#define TASK_PT_SR5     ", struct task_struct, thread.regs.sr[ 5]);
	offset("#define TASK_PT_SR6     ", struct task_struct, thread.regs.sr[ 6]);
	offset("#define TASK_PT_SR7     ", struct task_struct, thread.regs.sr[ 7]);
	offset("#define TASK_PT_IASQ0   ", struct task_struct, thread.regs.iasq[0]);
	offset("#define TASK_PT_IASQ1   ", struct task_struct, thread.regs.iasq[1]);
	offset("#define TASK_PT_IAOQ0   ", struct task_struct, thread.regs.iaoq[0]);
	offset("#define TASK_PT_IAOQ1   ", struct task_struct, thread.regs.iaoq[1]);
	offset("#define TASK_PT_CR27    ", struct task_struct, thread.regs.cr27);
	offset("#define TASK_PT_ORIG_R28 ", struct task_struct, thread.regs.orig_r28);
	offset("#define TASK_PT_KSP     ", struct task_struct, thread.regs.ksp);
	offset("#define TASK_PT_KPC     ", struct task_struct, thread.regs.kpc);
	offset("#define TASK_PT_SAR     ", struct task_struct, thread.regs.sar);
	offset("#define TASK_PT_IIR     ", struct task_struct, thread.regs.iir);
	offset("#define TASK_PT_ISR     ", struct task_struct, thread.regs.isr);
	offset("#define TASK_PT_IOR     ", struct task_struct, thread.regs.ior);
	size("#define TASK_SZ      ", struct task_struct);
	size_align("#define TASK_SZ_ALGN  ", struct task_struct, 64);
	linefeed;
}

void output_ptreg_defines(void)
{
	text("/* PA-RISC pt_regs offsets. */");
	offset("#define PT_PSW     ", struct pt_regs, gr[ 0]);
	offset("#define PT_GR1     ", struct pt_regs, gr[ 1]);
	offset("#define PT_GR2     ", struct pt_regs, gr[ 2]);
	offset("#define PT_GR3     ", struct pt_regs, gr[ 3]);
	offset("#define PT_GR4     ", struct pt_regs, gr[ 4]);
	offset("#define PT_GR5     ", struct pt_regs, gr[ 5]);
	offset("#define PT_GR6     ", struct pt_regs, gr[ 6]);
	offset("#define PT_GR7     ", struct pt_regs, gr[ 7]);
	offset("#define PT_GR8     ", struct pt_regs, gr[ 8]);
	offset("#define PT_GR9     ", struct pt_regs, gr[ 9]);
	offset("#define PT_GR10    ", struct pt_regs, gr[10]);
	offset("#define PT_GR11    ", struct pt_regs, gr[11]);
	offset("#define PT_GR12    ", struct pt_regs, gr[12]);
	offset("#define PT_GR13    ", struct pt_regs, gr[13]);
	offset("#define PT_GR14    ", struct pt_regs, gr[14]);
	offset("#define PT_GR15    ", struct pt_regs, gr[15]);
	offset("#define PT_GR16    ", struct pt_regs, gr[16]);
	offset("#define PT_GR17    ", struct pt_regs, gr[17]);
	offset("#define PT_GR18    ", struct pt_regs, gr[18]);
	offset("#define PT_GR19    ", struct pt_regs, gr[19]);
	offset("#define PT_GR20    ", struct pt_regs, gr[20]);
	offset("#define PT_GR21    ", struct pt_regs, gr[21]);
	offset("#define PT_GR22    ", struct pt_regs, gr[22]);
	offset("#define PT_GR23    ", struct pt_regs, gr[23]);
	offset("#define PT_GR24    ", struct pt_regs, gr[24]);
	offset("#define PT_GR25    ", struct pt_regs, gr[25]);
	offset("#define PT_GR26    ", struct pt_regs, gr[26]);
	offset("#define PT_GR27    ", struct pt_regs, gr[27]);
	offset("#define PT_GR28    ", struct pt_regs, gr[28]);
	offset("#define PT_GR29    ", struct pt_regs, gr[29]);