diff options
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/ia32.h | 10 | ||||
| -rw-r--r-- | arch/x86/include/asm/ptrace.h | 7 | ||||
| -rw-r--r-- | arch/x86/include/asm/sys_ia32.h | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/syscalls.h | 3 | ||||
| -rw-r--r-- | arch/x86/include/asm/unistd.h | 1 | ||||
| -rw-r--r-- | arch/x86/include/uapi/asm/signal.h | 6 |
6 files changed, 9 insertions, 20 deletions
diff --git a/arch/x86/include/asm/ia32.h b/arch/x86/include/asm/ia32.h index e6232773ce49..4c6da2e4bb1d 100644 --- a/arch/x86/include/asm/ia32.h +++ b/arch/x86/include/asm/ia32.h @@ -29,16 +29,10 @@ struct old_sigaction32 { unsigned int sa_restorer; /* Another 32 bit pointer */ }; -typedef struct sigaltstack_ia32 { - unsigned int ss_sp; - int ss_flags; - unsigned int ss_size; -} stack_ia32_t; - struct ucontext_ia32 { unsigned int uc_flags; unsigned int uc_link; - stack_ia32_t uc_stack; + compat_stack_t uc_stack; struct sigcontext_ia32 uc_mcontext; compat_sigset_t uc_sigmask; /* mask last for extensibility */ }; @@ -46,7 +40,7 @@ struct ucontext_ia32 { struct ucontext_x32 { unsigned int uc_flags; unsigned int uc_link; - stack_ia32_t uc_stack; + compat_stack_t uc_stack; unsigned int uc__pad0; /* needed for alignment */ struct sigcontext uc_mcontext; /* the 64-bit sigcontext type */ compat_sigset_t uc_sigmask; /* mask last for extensibility */ diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h index 03ca442d8f0d..942a08623a1a 100644 --- a/arch/x86/include/asm/ptrace.h +++ b/arch/x86/include/asm/ptrace.h @@ -133,6 +133,13 @@ static inline bool user_64bit_mode(struct pt_regs *regs) return regs->cs == __USER_CS || regs->cs == pv_info.extra_user_64bit_cs; #endif } + +#define current_user_stack_pointer() this_cpu_read(old_rsp) +/* ia32 vs. x32 difference */ +#define compat_user_stack_pointer() \ + (test_thread_flag(TIF_IA32) \ + ? current_pt_regs()->sp \ + : this_cpu_read(old_rsp)) #endif #ifdef CONFIG_X86_32 diff --git a/arch/x86/include/asm/sys_ia32.h b/arch/x86/include/asm/sys_ia32.h index c76fae4d90be..31f61f96e0fb 100644 --- a/arch/x86/include/asm/sys_ia32.h +++ b/arch/x86/include/asm/sys_ia32.h @@ -69,8 +69,6 @@ asmlinkage long sys32_fallocate(int, int, unsigned, /* ia32/ia32_signal.c */ asmlinkage long sys32_sigsuspend(int, int, old_sigset_t); -asmlinkage long sys32_sigaltstack(const stack_ia32_t __user *, - stack_ia32_t __user *, struct pt_regs *); asmlinkage long sys32_sigreturn(struct pt_regs *); asmlinkage long sys32_rt_sigreturn(struct pt_regs *); diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h index 2f8374718aa3..58b7e3eac0ae 100644 --- a/arch/x86/include/asm/syscalls.h +++ b/arch/x86/include/asm/syscalls.h @@ -25,9 +25,6 @@ asmlinkage int sys_modify_ldt(int, void __user *, unsigned long); /* kernel/signal.c */ long sys_rt_sigreturn(struct pt_regs *); -long sys_sigaltstack(const stack_t __user *, stack_t __user *, - struct pt_regs *); - /* kernel/tls.c */ asmlinkage int sys_set_thread_area(struct user_desc __user *); diff --git a/arch/x86/include/asm/unistd.h b/arch/x86/include/asm/unistd.h index 1003e69a40d9..a0790e07ba65 100644 --- a/arch/x86/include/asm/unistd.h +++ b/arch/x86/include/asm/unistd.h @@ -48,7 +48,6 @@ # define __ARCH_WANT_SYS_TIME # define __ARCH_WANT_SYS_UTIME # define __ARCH_WANT_SYS_WAITPID -# define __ARCH_WANT_SYS_EXECVE # define __ARCH_WANT_SYS_FORK # define __ARCH_WANT_SYS_VFORK # define __ARCH_WANT_SYS_CLONE diff --git a/arch/x86/include/uapi/asm/signal.h b/arch/x86/include/uapi/asm/signal.h index 0818f9a8e889..aa7d6ae39e0e 100644 --- a/arch/x86/include/uapi/asm/signal.h +++ b/arch/x86/include/uapi/asm/signal.h @@ -87,12 +87,6 @@ typedef unsigned long sigset_t; #define SA_RESTORER 0x04000000 -/* - * sigaltstack controls - */ -#define SS_ONSTACK 1 -#define SS_DISABLE 2 - #define MINSIGSTKSZ 2048 #define SIGSTKSZ 8192 |