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x86: x86-64 ptrace whitespace

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This canonicalizes the indentation in the getreg and putreg functions.

Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Roland McGrath 2008-01-30 13:30:58 +01:00 committed by Ingo Molnar
parent ff14c6164b
commit 80976c0867
1 changed files with 112 additions and 112 deletions
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224
arch/x86/kernel/ptrace_64.c
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@ -2,7 +2,7 @@
/*
* Pentium III FXSR, SSE support
* Gareth Hughes <gareth@valinux.com>, May 2000
*
*
* x86-64 port 2000-2002 Andi Kleen
*/
@ -48,7 +48,7 @@
* Make sure the single step bit is not set.
*/
void ptrace_disable(struct task_struct *child)
{
{
user_disable_single_step(child);
}
@ -63,69 +63,69 @@ static int putreg(struct task_struct *child,
{
struct pt_regs *regs = task_pt_regs(child);
switch (regno) {
case offsetof(struct user_regs_struct,fs):
if (value && (value & 3) != 3)
return -EIO;
child->thread.fsindex = value & 0xffff;
return 0;
case offsetof(struct user_regs_struct,gs):
if (value && (value & 3) != 3)
return -EIO;
child->thread.gsindex = value & 0xffff;
return 0;
case offsetof(struct user_regs_struct,ds):
if (value && (value & 3) != 3)
return -EIO;
child->thread.ds = value & 0xffff;
return 0;
case offsetof(struct user_regs_struct,es):
if (value && (value & 3) != 3)
return -EIO;
child->thread.es = value & 0xffff;
return 0;
case offsetof(struct user_regs_struct,ss):
if ((value & 3) != 3)
return -EIO;
value &= 0xffff;
return 0;
case offsetof(struct user_regs_struct,fs_base):
if (value >= TASK_SIZE_OF(child))
return -EIO;
/*
* When changing the segment base, use do_arch_prctl
* to set either thread.fs or thread.fsindex and the
* corresponding GDT slot.
*/
if (child->thread.fs != value)
return do_arch_prctl(child, ARCH_SET_FS, value);
return 0;
case offsetof(struct user_regs_struct,gs_base):
/*
* Exactly the same here as the %fs handling above.
*/
if (value >= TASK_SIZE_OF(child))
return -EIO;
if (child->thread.gs != value)
return do_arch_prctl(child, ARCH_SET_GS, value);
return 0;
case offsetof(struct user_regs_struct,flags):
value &= FLAG_MASK;
/*
* If the user value contains TF, mark that
* it was not "us" (the debugger) that set it.
* If not, make sure it stays set if we had.
*/
if (value & X86_EFLAGS_TF)
clear_tsk_thread_flag(child, TIF_FORCED_TF);
else if (test_tsk_thread_flag(child, TIF_FORCED_TF))
value |= X86_EFLAGS_TF;
value |= regs->flags & ~FLAG_MASK;
break;
case offsetof(struct user_regs_struct,cs):
if ((value & 3) != 3)
return -EIO;
value &= 0xffff;
break;
case offsetof(struct user_regs_struct,fs):
if (value && (value & 3) != 3)
return -EIO;
child->thread.fsindex = value & 0xffff;
return 0;
case offsetof(struct user_regs_struct,gs):
if (value && (value & 3) != 3)
return -EIO;
child->thread.gsindex = value & 0xffff;
return 0;
case offsetof(struct user_regs_struct,ds):
if (value && (value & 3) != 3)
return -EIO;
child->thread.ds = value & 0xffff;
return 0;
case offsetof(struct user_regs_struct,es):
if (value && (value & 3) != 3)
return -EIO;
child->thread.es = value & 0xffff;
return 0;
case offsetof(struct user_regs_struct,ss):
if ((value & 3) != 3)
return -EIO;
value &= 0xffff;
return 0;
case offsetof(struct user_regs_struct,fs_base):
if (value >= TASK_SIZE_OF(child))
return -EIO;
/*
* When changing the segment base, use do_arch_prctl
* to set either thread.fs or thread.fsindex and the
* corresponding GDT slot.
*/
if (child->thread.fs != value)
return do_arch_prctl(child, ARCH_SET_FS, value);
return 0;
case offsetof(struct user_regs_struct,gs_base):
/*
* Exactly the same here as the %fs handling above.
*/
if (value >= TASK_SIZE_OF(child))
return -EIO;
if (child->thread.gs != value)
return do_arch_prctl(child, ARCH_SET_GS, value);
return 0;
case offsetof(struct user_regs_struct,flags):
value &= FLAG_MASK;
/*
* If the user value contains TF, mark that
* it was not "us" (the debugger) that set it.
* If not, make sure it stays set if we had.
*/
if (value & X86_EFLAGS_TF)
clear_tsk_thread_flag(child, TIF_FORCED_TF);
else if (test_tsk_thread_flag(child, TIF_FORCED_TF))
value |= X86_EFLAGS_TF;
value |= regs->flags & ~FLAG_MASK;
break;
case offsetof(struct user_regs_struct,cs):
if ((value & 3) != 3)
return -EIO;
value &= 0xffff;
break;
}
*pt_regs_access(regs, regno) = value;
return 0;
@ -136,49 +136,49 @@ static unsigned long getreg(struct task_struct *child, unsigned long regno)
struct pt_regs *regs = task_pt_regs(child);
unsigned long val;
switch (regno) {
case offsetof(struct user_regs_struct, fs):
return child->thread.fsindex;
case offsetof(struct user_regs_struct, gs):
return child->thread.gsindex;
case offsetof(struct user_regs_struct, ds):
return child->thread.ds;
case offsetof(struct user_regs_struct, es):
return child->thread.es;
case offsetof(struct user_regs_struct, fs_base):
/*
* do_arch_prctl may have used a GDT slot instead of
* the MSR. To userland, it appears the same either
* way, except the %fs segment selector might not be 0.
*/
if (child->thread.fs != 0)
return child->thread.fs;
if (child->thread.fsindex != FS_TLS_SEL)
return 0;
return get_desc_base(&child->thread.tls_array[FS_TLS]);
case offsetof(struct user_regs_struct, gs_base):
/*
* Exactly the same here as the %fs handling above.
*/
if (child->thread.gs != 0)
return child->thread.gs;
if (child->thread.gsindex != GS_TLS_SEL)
return 0;
return get_desc_base(&child->thread.tls_array[GS_TLS]);
case offsetof(struct user_regs_struct, flags):
/*
* If the debugger set TF, hide it from the readout.
*/
val = regs->flags;
if (test_tsk_thread_flag(child, TIF_IA32))
val &= 0xffffffff;
if (test_tsk_thread_flag(child, TIF_FORCED_TF))
val &= ~X86_EFLAGS_TF;
return val;
default:
val = *pt_regs_access(regs, regno);
if (test_tsk_thread_flag(child, TIF_IA32))
val &= 0xffffffff;
return val;
case offsetof(struct user_regs_struct, fs):
return child->thread.fsindex;
case offsetof(struct user_regs_struct, gs):
return child->thread.gsindex;
case offsetof(struct user_regs_struct, ds):
return child->thread.ds;
case offsetof(struct user_regs_struct, es):
return child->thread.es;
case offsetof(struct user_regs_struct, fs_base):
/*
* do_arch_prctl may have used a GDT slot instead of
* the MSR. To userland, it appears the same either
* way, except the %fs segment selector might not be 0.
*/
if (child->thread.fs != 0)
return child->thread.fs;
if (child->thread.fsindex != FS_TLS_SEL)
return 0;
return get_desc_base(&child->thread.tls_array[FS_TLS]);
case offsetof(struct user_regs_struct, gs_base):
/*
* Exactly the same here as the %fs handling above.
*/
if (child->thread.gs != 0)
return child->thread.gs;
if (child->thread.gsindex != GS_TLS_SEL)
return 0;
return get_desc_base(&child->thread.tls_array[GS_TLS]);
case offsetof(struct user_regs_struct, flags):
/*
* If the debugger set TF, hide it from the readout.
*/
val = regs->flags;
if (test_tsk_thread_flag(child, TIF_IA32))
val &= 0xffffffff;
if (test_tsk_thread_flag(child, TIF_FORCED_TF))
val &= ~X86_EFLAGS_TF;
return val;
default:
val = *pt_regs_access(regs, regno);
if (test_tsk_thread_flag(child, TIF_IA32))
val &= 0xffffffff;
return val;
}
}
@ -244,7 +244,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
switch (request) {
/* when I and D space are separate, these will need to be fixed. */
case PTRACE_PEEKTEXT: /* read word at location addr. */
case PTRACE_PEEKTEXT: /* read word at location addr. */
case PTRACE_PEEKDATA:
ret = generic_ptrace_peekdata(child, addr, data);
break;
@ -310,10 +310,10 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
(struct user_desc __user *) data, 0);
break;
#endif
/* normal 64bit interface to access TLS data.
/* normal 64bit interface to access TLS data.
Works just like arch_prctl, except that the arguments
are reversed. */
case PTRACE_ARCH_PRCTL:
case PTRACE_ARCH_PRCTL:
ret = do_arch_prctl(child, data, addr);
break;
@ -386,7 +386,7 @@ static void syscall_trace(struct pt_regs *regs)
printk("trace %s ip %lx sp %lx ax %d origrax %d caller %lx tiflags %x ptrace %x\n",
current->comm,
regs->ip, regs->sp, regs->ax, regs->orig_ax, __builtin_return_address(0),
current_thread_info()->flags, current->ptrace);
current_thread_info()->flags, current->ptrace);
#endif
ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD)