diff options
Diffstat (limited to 'arch/x86/um')
| -rw-r--r-- | arch/x86/um/ptrace_32.c | 11 | ||||
| -rw-r--r-- | arch/x86/um/ptrace_64.c | 4 |
2 files changed, 11 insertions, 4 deletions
diff --git a/arch/x86/um/ptrace_32.c b/arch/x86/um/ptrace_32.c index ebd4dd6ef73b..5766ead6fdb9 100644 --- a/arch/x86/um/ptrace_32.c +++ b/arch/x86/um/ptrace_32.c @@ -84,7 +84,10 @@ int putreg(struct task_struct *child, int regno, unsigned long value) case EAX: case EIP: case UESP: + break; case ORIG_EAX: + /* Update the syscall number. */ + UPT_SYSCALL_NR(&child->thread.regs.regs) = value; break; case FS: if (value && (value & 3) != 3) @@ -191,7 +194,7 @@ int peek_user(struct task_struct *child, long addr, long data) static int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) { - int err, n, cpu = ((struct thread_info *) child->stack)->cpu; + int err, n, cpu = task_cpu(child); struct user_i387_struct fpregs; err = save_i387_registers(userspace_pid[cpu], @@ -208,7 +211,7 @@ static int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *c static int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) { - int n, cpu = ((struct thread_info *) child->stack)->cpu; + int n, cpu = task_cpu(child); struct user_i387_struct fpregs; n = copy_from_user(&fpregs, buf, sizeof(fpregs)); @@ -221,7 +224,7 @@ static int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *c static int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child) { - int err, n, cpu = ((struct thread_info *) child->stack)->cpu; + int err, n, cpu = task_cpu(child); struct user_fxsr_struct fpregs; err = save_fpx_registers(userspace_pid[cpu], (unsigned long *) &fpregs); @@ -237,7 +240,7 @@ static int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct * static int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child) { - int n, cpu = ((struct thread_info *) child->stack)->cpu; + int n, cpu = task_cpu(child); struct user_fxsr_struct fpregs; n = copy_from_user(&fpregs, buf, sizeof(fpregs)); diff --git a/arch/x86/um/ptrace_64.c b/arch/x86/um/ptrace_64.c index faab418876ce..0b5c184dd5b3 100644 --- a/arch/x86/um/ptrace_64.c +++ b/arch/x86/um/ptrace_64.c @@ -78,7 +78,11 @@ int putreg(struct task_struct *child, int regno, unsigned long value) case RSI: case RDI: case RBP: + break; + case ORIG_RAX: + /* Update the syscall number. */ + UPT_SYSCALL_NR(&child->thread.regs.regs) = value; break; case FS: |