fc4fb2adf9
This is a long outstanding patch to finally fix the syscall interface. The constants used for the system calls are those we have provided in our libc patches. This patch also fixes the shmbuf and stat structure, and fcntl definitions. Signed-off-by: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
98 lines
3.7 KiB
C
98 lines
3.7 KiB
C
/*
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* arch/xtensa/kernel/asm-offsets.c
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*
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* Generates definitions from c-type structures used by assembly sources.
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2005 Tensilica Inc.
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*
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* Chris Zankel <chris@zankel.net>
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*/
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#include <asm/processor.h>
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#include <linux/types.h>
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#include <linux/stddef.h>
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#include <linux/thread_info.h>
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#include <linux/ptrace.h>
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#include <asm/ptrace.h>
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#include <asm/processor.h>
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#include <asm/uaccess.h>
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#define DEFINE(sym, val) asm volatile("\n->" #sym " %0 " #val : : "i" (val))
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#define BLANK() asm volatile("\n->" : : )
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int main(void)
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{
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/* struct pt_regs */
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DEFINE(PT_PC, offsetof (struct pt_regs, pc));
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DEFINE(PT_PS, offsetof (struct pt_regs, ps));
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DEFINE(PT_DEPC, offsetof (struct pt_regs, depc));
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DEFINE(PT_EXCCAUSE, offsetof (struct pt_regs, exccause));
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DEFINE(PT_EXCVADDR, offsetof (struct pt_regs, excvaddr));
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DEFINE(PT_DEBUGCAUSE, offsetof (struct pt_regs, debugcause));
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DEFINE(PT_WMASK, offsetof (struct pt_regs, wmask));
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DEFINE(PT_LBEG, offsetof (struct pt_regs, lbeg));
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DEFINE(PT_LEND, offsetof (struct pt_regs, lend));
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DEFINE(PT_LCOUNT, offsetof (struct pt_regs, lcount));
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DEFINE(PT_SAR, offsetof (struct pt_regs, sar));
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DEFINE(PT_SYSCALL, offsetof (struct pt_regs, syscall));
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DEFINE(PT_AREG, offsetof (struct pt_regs, areg[0]));
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DEFINE(PT_AREG0, offsetof (struct pt_regs, areg[0]));
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DEFINE(PT_AREG1, offsetof (struct pt_regs, areg[1]));
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DEFINE(PT_AREG2, offsetof (struct pt_regs, areg[2]));
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DEFINE(PT_AREG3, offsetof (struct pt_regs, areg[3]));
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DEFINE(PT_AREG4, offsetof (struct pt_regs, areg[4]));
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DEFINE(PT_AREG5, offsetof (struct pt_regs, areg[5]));
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DEFINE(PT_AREG6, offsetof (struct pt_regs, areg[6]));
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DEFINE(PT_AREG7, offsetof (struct pt_regs, areg[7]));
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DEFINE(PT_AREG8, offsetof (struct pt_regs, areg[8]));
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DEFINE(PT_AREG9, offsetof (struct pt_regs, areg[9]));
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DEFINE(PT_AREG10, offsetof (struct pt_regs, areg[10]));
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DEFINE(PT_AREG11, offsetof (struct pt_regs, areg[11]));
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DEFINE(PT_AREG12, offsetof (struct pt_regs, areg[12]));
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DEFINE(PT_AREG13, offsetof (struct pt_regs, areg[13]));
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DEFINE(PT_AREG14, offsetof (struct pt_regs, areg[14]));
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DEFINE(PT_AREG15, offsetof (struct pt_regs, areg[15]));
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DEFINE(PT_WINDOWBASE, offsetof (struct pt_regs, windowbase));
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DEFINE(PT_WINDOWSTART, offsetof(struct pt_regs, windowstart));
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DEFINE(PT_SIZE, sizeof(struct pt_regs));
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DEFINE(PT_AREG_END, offsetof (struct pt_regs, areg[XCHAL_NUM_AREGS]));
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DEFINE(PT_USER_SIZE, offsetof(struct pt_regs, areg[XCHAL_NUM_AREGS]));
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BLANK();
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/* struct task_struct */
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DEFINE(TASK_PTRACE, offsetof (struct task_struct, ptrace));
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DEFINE(TASK_MM, offsetof (struct task_struct, mm));
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DEFINE(TASK_ACTIVE_MM, offsetof (struct task_struct, active_mm));
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DEFINE(TASK_PID, offsetof (struct task_struct, pid));
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DEFINE(TASK_THREAD, offsetof (struct task_struct, thread));
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DEFINE(TASK_THREAD_INFO, offsetof (struct task_struct, thread_info));
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DEFINE(TASK_STRUCT_SIZE, sizeof (struct task_struct));
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BLANK();
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/* struct thread_info (offset from start_struct) */
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DEFINE(THREAD_RA, offsetof (struct task_struct, thread.ra));
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DEFINE(THREAD_SP, offsetof (struct task_struct, thread.sp));
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DEFINE(THREAD_CP_SAVE, offsetof (struct task_struct, thread.cp_save));
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DEFINE(THREAD_CURRENT_DS, offsetof (struct task_struct, thread.current_ds));
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BLANK();
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/* struct mm_struct */
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DEFINE(MM_USERS, offsetof(struct mm_struct, mm_users));
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DEFINE(MM_PGD, offsetof (struct mm_struct, pgd));
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DEFINE(MM_CONTEXT, offsetof (struct mm_struct, context));
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BLANK();
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DEFINE(PT_SINGLESTEP_BIT, PT_SINGLESTEP_BIT);
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/* constants */
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DEFINE(_CLONE_VM, CLONE_VM);
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DEFINE(_CLONE_UNTRACED, CLONE_UNTRACED);
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return 0;
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}
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