diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/ptrace.c | 19 |
1 files changed, 1 insertions, 18 deletions
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index 8d7d5c9..52222fa 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -325,16 +325,6 @@ static int putreg(struct task_struct *child, return set_flags(child, value); #ifdef CONFIG_X86_64 - /* - * Orig_ax is really just a flag with small positive and - * negative values, so make sure to always sign-extend it - * from 32 bits so that it works correctly regardless of - * whether we come from a 32-bit environment or not. - */ - case offsetof(struct user_regs_struct, orig_ax): - value = (long) (s32) value; - break; - case offsetof(struct user_regs_struct,fs_base): if (value >= TASK_SIZE_OF(child)) return -EIO; @@ -1121,17 +1111,10 @@ static int putreg32(struct task_struct *child, unsigned regno, u32 value) R32(esi, si); R32(ebp, bp); R32(eax, ax); + R32(orig_eax, orig_ax); R32(eip, ip); R32(esp, sp); - case offsetof(struct user32, regs.orig_eax): - /* - * Sign-extend the value so that orig_eax = -1 - * causes (long)orig_ax < 0 tests to fire correctly. - */ - regs->orig_ax = (long) (s32) value; - break; - case offsetof(struct user32, regs.eflags): return set_flags(child, value); |