x86: x86-64 ptrace whitespace
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
committed by
Ingo Molnar
Ingo Molnar
parent
ff14c6164b
commit
80976c0867
@@ -63,69 +63,69 @@ static int putreg(struct task_struct *child,
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{
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struct pt_regs *regs = task_pt_regs(child);
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switch (regno) {
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case offsetof(struct user_regs_struct,fs):
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if (value && (value & 3) != 3)
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return -EIO;
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child->thread.fsindex = value & 0xffff;
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return 0;
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case offsetof(struct user_regs_struct,gs):
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if (value && (value & 3) != 3)
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return -EIO;
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child->thread.gsindex = value & 0xffff;
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return 0;
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case offsetof(struct user_regs_struct,ds):
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if (value && (value & 3) != 3)
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return -EIO;
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child->thread.ds = value & 0xffff;
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return 0;
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case offsetof(struct user_regs_struct,es):
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if (value && (value & 3) != 3)
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return -EIO;
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child->thread.es = value & 0xffff;
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return 0;
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case offsetof(struct user_regs_struct,ss):
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if ((value & 3) != 3)
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return -EIO;
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value &= 0xffff;
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return 0;
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case offsetof(struct user_regs_struct,fs_base):
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if (value >= TASK_SIZE_OF(child))
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return -EIO;
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/*
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* When changing the segment base, use do_arch_prctl
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* to set either thread.fs or thread.fsindex and the
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* corresponding GDT slot.
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*/
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if (child->thread.fs != value)
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return do_arch_prctl(child, ARCH_SET_FS, value);
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return 0;
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case offsetof(struct user_regs_struct,gs_base):
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/*
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* Exactly the same here as the %fs handling above.
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*/
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if (value >= TASK_SIZE_OF(child))
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return -EIO;
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if (child->thread.gs != value)
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return do_arch_prctl(child, ARCH_SET_GS, value);
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return 0;
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case offsetof(struct user_regs_struct,flags):
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value &= FLAG_MASK;
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/*
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* If the user value contains TF, mark that
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* it was not "us" (the debugger) that set it.
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* If not, make sure it stays set if we had.
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*/
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if (value & X86_EFLAGS_TF)
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clear_tsk_thread_flag(child, TIF_FORCED_TF);
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else if (test_tsk_thread_flag(child, TIF_FORCED_TF))
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value |= X86_EFLAGS_TF;
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value |= regs->flags & ~FLAG_MASK;
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break;
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case offsetof(struct user_regs_struct,cs):
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if ((value & 3) != 3)
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return -EIO;
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value &= 0xffff;
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break;
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case offsetof(struct user_regs_struct,fs):
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if (value && (value & 3) != 3)
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return -EIO;
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child->thread.fsindex = value & 0xffff;
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return 0;
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case offsetof(struct user_regs_struct,gs):
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if (value && (value & 3) != 3)
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return -EIO;
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child->thread.gsindex = value & 0xffff;
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return 0;
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case offsetof(struct user_regs_struct,ds):
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if (value && (value & 3) != 3)
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return -EIO;
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child->thread.ds = value & 0xffff;
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return 0;
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case offsetof(struct user_regs_struct,es):
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if (value && (value & 3) != 3)
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return -EIO;
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child->thread.es = value & 0xffff;
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return 0;
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case offsetof(struct user_regs_struct,ss):
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if ((value & 3) != 3)
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return -EIO;
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value &= 0xffff;
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return 0;
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case offsetof(struct user_regs_struct,fs_base):
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if (value >= TASK_SIZE_OF(child))
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return -EIO;
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/*
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* When changing the segment base, use do_arch_prctl
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* to set either thread.fs or thread.fsindex and the
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* corresponding GDT slot.
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*/
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if (child->thread.fs != value)
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return do_arch_prctl(child, ARCH_SET_FS, value);
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return 0;
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case offsetof(struct user_regs_struct,gs_base):
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/*
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* Exactly the same here as the %fs handling above.
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*/
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if (value >= TASK_SIZE_OF(child))
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return -EIO;
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if (child->thread.gs != value)
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return do_arch_prctl(child, ARCH_SET_GS, value);
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return 0;
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case offsetof(struct user_regs_struct,flags):
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value &= FLAG_MASK;
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/*
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* If the user value contains TF, mark that
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* it was not "us" (the debugger) that set it.
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* If not, make sure it stays set if we had.
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*/
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if (value & X86_EFLAGS_TF)
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clear_tsk_thread_flag(child, TIF_FORCED_TF);
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else if (test_tsk_thread_flag(child, TIF_FORCED_TF))
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value |= X86_EFLAGS_TF;
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value |= regs->flags & ~FLAG_MASK;
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break;
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case offsetof(struct user_regs_struct,cs):
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if ((value & 3) != 3)
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return -EIO;
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value &= 0xffff;
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break;
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}
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*pt_regs_access(regs, regno) = value;
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return 0;
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@@ -136,49 +136,49 @@ static unsigned long getreg(struct task_struct *child, unsigned long regno)
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struct pt_regs *regs = task_pt_regs(child);
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unsigned long val;
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switch (regno) {
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case offsetof(struct user_regs_struct, fs):
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return child->thread.fsindex;
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case offsetof(struct user_regs_struct, gs):
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return child->thread.gsindex;
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case offsetof(struct user_regs_struct, ds):
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return child->thread.ds;
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case offsetof(struct user_regs_struct, es):
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return child->thread.es;
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case offsetof(struct user_regs_struct, fs_base):
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/*
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* do_arch_prctl may have used a GDT slot instead of
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* the MSR. To userland, it appears the same either
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* way, except the %fs segment selector might not be 0.
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*/
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if (child->thread.fs != 0)
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return child->thread.fs;
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if (child->thread.fsindex != FS_TLS_SEL)
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return 0;
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return get_desc_base(&child->thread.tls_array[FS_TLS]);
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case offsetof(struct user_regs_struct, gs_base):
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/*
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* Exactly the same here as the %fs handling above.
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*/
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if (child->thread.gs != 0)
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return child->thread.gs;
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if (child->thread.gsindex != GS_TLS_SEL)
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return 0;
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return get_desc_base(&child->thread.tls_array[GS_TLS]);
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case offsetof(struct user_regs_struct, flags):
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/*
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* If the debugger set TF, hide it from the readout.
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*/
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val = regs->flags;
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if (test_tsk_thread_flag(child, TIF_IA32))
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val &= 0xffffffff;
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if (test_tsk_thread_flag(child, TIF_FORCED_TF))
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val &= ~X86_EFLAGS_TF;
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return val;
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default:
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val = *pt_regs_access(regs, regno);
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if (test_tsk_thread_flag(child, TIF_IA32))
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val &= 0xffffffff;
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return val;
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case offsetof(struct user_regs_struct, fs):
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return child->thread.fsindex;
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case offsetof(struct user_regs_struct, gs):
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return child->thread.gsindex;
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case offsetof(struct user_regs_struct, ds):
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return child->thread.ds;
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case offsetof(struct user_regs_struct, es):
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return child->thread.es;
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case offsetof(struct user_regs_struct, fs_base):
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/*
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* do_arch_prctl may have used a GDT slot instead of
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* the MSR. To userland, it appears the same either
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* way, except the %fs segment selector might not be 0.
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*/
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if (child->thread.fs != 0)
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return child->thread.fs;
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if (child->thread.fsindex != FS_TLS_SEL)
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return 0;
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return get_desc_base(&child->thread.tls_array[FS_TLS]);
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case offsetof(struct user_regs_struct, gs_base):
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/*
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* Exactly the same here as the %fs handling above.
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*/
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if (child->thread.gs != 0)
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return child->thread.gs;
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if (child->thread.gsindex != GS_TLS_SEL)
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return 0;
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return get_desc_base(&child->thread.tls_array[GS_TLS]);
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case offsetof(struct user_regs_struct, flags):
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/*
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* If the debugger set TF, hide it from the readout.
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*/
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val = regs->flags;
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if (test_tsk_thread_flag(child, TIF_IA32))
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val &= 0xffffffff;
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if (test_tsk_thread_flag(child, TIF_FORCED_TF))
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val &= ~X86_EFLAGS_TF;
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return val;
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default:
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val = *pt_regs_access(regs, regno);
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if (test_tsk_thread_flag(child, TIF_IA32))
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val &= 0xffffffff;
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return val;
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}
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}
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