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-rw-r--r--include/asm-x86/syscall.h211
1 files changed, 0 insertions, 211 deletions
diff --git a/include/asm-x86/syscall.h b/include/asm-x86/syscall.h
deleted file mode 100644
index 04c47dc5597c..000000000000
--- a/include/asm-x86/syscall.h
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
- * Access to user system call parameters and results
- *
- * Copyright (C) 2008 Red Hat, Inc. All rights reserved.
- *
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License v.2.
- *
- * See asm-generic/syscall.h for descriptions of what we must do here.
- */
-
-#ifndef _ASM_SYSCALL_H
-#define _ASM_SYSCALL_H 1
-
-#include <linux/sched.h>
-#include <linux/err.h>
-
-static inline long syscall_get_nr(struct task_struct *task,
- struct pt_regs *regs)
-{
- /*
- * We always sign-extend a -1 value being set here,
- * so this is always either -1L or a syscall number.
- */
- return regs->orig_ax;
-}
-
-static inline void syscall_rollback(struct task_struct *task,
- struct pt_regs *regs)
-{
- regs->ax = regs->orig_ax;
-}
-
-static inline long syscall_get_error(struct task_struct *task,
- struct pt_regs *regs)
-{
- unsigned long error = regs->ax;
-#ifdef CONFIG_IA32_EMULATION
- /*
- * TS_COMPAT is set for 32-bit syscall entries and then
- * remains set until we return to user mode.
- */
- if (task_thread_info(task)->status & TS_COMPAT)
- /*
- * Sign-extend the value so (int)-EFOO becomes (long)-EFOO
- * and will match correctly in comparisons.
- */
- error = (long) (int) error;
-#endif
- return IS_ERR_VALUE(error) ? error : 0;
-}
-
-static inline long syscall_get_return_value(struct task_struct *task,
- struct pt_regs *regs)
-{
- return regs->ax;
-}
-
-static inline void syscall_set_return_value(struct task_struct *task,
- struct pt_regs *regs,
- int error, long val)
-{
- regs->ax = (long) error ?: val;
-}
-
-#ifdef CONFIG_X86_32
-
-static inline void syscall_get_arguments(struct task_struct *task,
- struct pt_regs *regs,
- unsigned int i, unsigned int n,
- unsigned long *args)
-{
- BUG_ON(i + n > 6);
- memcpy(args, &regs->bx + i, n * sizeof(args[0]));
-}
-
-static inline void syscall_set_arguments(struct task_struct *task,
- struct pt_regs *regs,
- unsigned int i, unsigned int n,
- const unsigned long *args)
-{
- BUG_ON(i + n > 6);
- memcpy(&regs->bx + i, args, n * sizeof(args[0]));
-}
-
-#else /* CONFIG_X86_64 */
-
-static inline void syscall_get_arguments(struct task_struct *task,
- struct pt_regs *regs,
- unsigned int i, unsigned int n,
- unsigned long *args)
-{
-# ifdef CONFIG_IA32_EMULATION
- if (task_thread_info(task)->status & TS_COMPAT)
- switch (i + n) {
- case 6:
- if (!n--) break;
- *args++ = regs->bp;
- case 5:
- if (!n--) break;
- *args++ = regs->di;
- case 4:
- if (!n--) break;
- *args++ = regs->si;
- case 3:
- if (!n--) break;
- *args++ = regs->dx;
- case 2:
- if (!n--) break;
- *args++ = regs->cx;
- case 1:
- if (!n--) break;
- *args++ = regs->bx;
- case 0:
- if (!n--) break;
- default:
- BUG();
- break;
- }
- else
-# endif
- switch (i + n) {
- case 6:
- if (!n--) break;
- *args++ = regs->r9;
- case 5:
- if (!n--) break;
- *args++ = regs->r8;
- case 4:
- if (!n--) break;
- *args++ = regs->r10;
- case 3:
- if (!n--) break;
- *args++ = regs->dx;
- case 2:
- if (!n--) break;
- *args++ = regs->si;
- case 1:
- if (!n--) break;
- *args++ = regs->di;
- case 0:
- if (!n--) break;
- default:
- BUG();
- break;
- }
-}
-
-static inline void syscall_set_arguments(struct task_struct *task,
- struct pt_regs *regs,
- unsigned int i, unsigned int n,
- const unsigned long *args)
-{
-# ifdef CONFIG_IA32_EMULATION
- if (task_thread_info(task)->status & TS_COMPAT)
- switch (i + n) {
- case 6:
- if (!n--) break;
- regs->bp = *args++;
- case 5:
- if (!n--) break;
- regs->di = *args++;
- case 4:
- if (!n--) break;
- regs->si = *args++;
- case 3:
- if (!n--) break;
- regs->dx = *args++;
- case 2:
- if (!n--) break;
- regs->cx = *args++;
- case 1:
- if (!n--) break;
- regs->bx = *args++;
- case 0:
- if (!n--) break;
- default:
- BUG();
- }
- else
-# endif
- switch (i + n) {
- case 6:
- if (!n--) break;
- regs->r9 = *args++;
- case 5:
- if (!n--) break;
- regs->r8 = *args++;
- case 4:
- if (!n--) break;
- regs->r10 = *args++;
- case 3:
- if (!n--) break;
- regs->dx = *args++;
- case 2:
- if (!n--) break;
- regs->si = *args++;
- case 1:
- if (!n--) break;
- regs->di = *args++;
- case 0:
- if (!n--) break;
- default:
- BUG();
- }
-}
-
-#endif /* CONFIG_X86_32 */
-
-#endif /* _ASM_SYSCALL_H */