signal32.c File Reference

#include <linux/compat.h>
#include <linux/signal.h>
#include <linux/syscalls.h>
#include <linux/ratelimit.h>
#include <asm/fpsimd.h>
#include <asm/signal32.h>
#include <asm/uaccess.h>
#include <asm/unistd32.h>

Go to the source code of this file.

Data Structures
struct	compat_sigaction
struct	compat_old_sigaction
struct	compat_sigaltstack
struct	compat_sigcontext
struct	compat_ucontext
struct	compat_vfp_sigframe
struct	compat_vfp_sigframe::compat_user_vfp
struct	compat_vfp_sigframe::compat_user_vfp_exc
struct	compat_user_vfp
struct	compat_user_vfp_exc
struct	compat_aux_sigframe
struct	compat_sigframe
struct	compat_rt_sigframe

Macros
#define	VFP_MAGIC   0x56465001
#define	VFP_STORAGE_SIZE   sizeof(struct compat_vfp_sigframe)
#define	_BLOCKABLE   (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
#define	MOV_R7_NR_SIGRETURN   (0xe3a07000 | __NR_compat_sigreturn)
#define	SVC_SYS_SIGRETURN   (0xef000000 | __NR_compat_sigreturn)
#define	MOV_R7_NR_RT_SIGRETURN   (0xe3a07000 | __NR_compat_rt_sigreturn)
#define	SVC_SYS_RT_SIGRETURN   (0xef000000 | __NR_compat_rt_sigreturn)
#define	SVC_THUMB_SIGRETURN
#define	SVC_THUMB_RT_SIGRETURN

Typedefs
typedef struct compat_sigaltstack	compat_stack_t

Functions
struct compat_vfp_sigframe	__attribute__ ((__aligned__(8)))
int	copy_siginfo_to_user32 (compat_siginfo_t __user *to, siginfo_t *from)
int	copy_siginfo_from_user32 (siginfo_t *to, compat_siginfo_t __user *from)
asmlinkage int	compat_sys_sigsuspend (int restart, compat_ulong_t oldmask, compat_old_sigset_t mask)
asmlinkage int	compat_sys_sigaction (int sig, const struct compat_old_sigaction __user *act, struct compat_old_sigaction __user *oact)
asmlinkage int	compat_sys_rt_sigaction (int sig, const struct compat_sigaction __user *act, struct compat_sigaction __user *oact, compat_size_t sigsetsize)
int	compat_do_sigaltstack (compat_uptr_t compat_uss, compat_uptr_t compat_uoss, compat_ulong_t sp)
asmlinkage int	compat_sys_sigreturn (struct pt_regs *regs)
asmlinkage int	compat_sys_rt_sigreturn (struct pt_regs *regs)
int	compat_setup_rt_frame (int usig, struct k_sigaction *ka, siginfo_t *info, sigset_t *set, struct pt_regs *regs)
int	compat_setup_frame (int usig, struct k_sigaction *ka, sigset_t *set, struct pt_regs *regs)
asmlinkage int	compat_sys_rt_sigprocmask (int how, compat_sigset_t __user *set, compat_sigset_t __user *oset, compat_size_t sigsetsize)
asmlinkage int	compat_sys_rt_sigpending (compat_sigset_t __user *set, compat_size_t sigsetsize)
asmlinkage int	compat_sys_rt_sigqueueinfo (int pid, int sig, compat_siginfo_t __user *uinfo)
void	compat_setup_restart_syscall (struct pt_regs *regs)

Variables
compat_ulong_t	magic
compat_ulong_t	size
struct compat_user_vfp	ufp
struct compat_user_vfp_exc	ufp_exc
struct compat_vfp_sigframe	vfp
unsigned long	end_magic
struct compat_sigframe	__attribute__
const compat_ulong_t	aarch32_sigret_code [6]

Macro Definition Documentation

#define _BLOCKABLE   (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))

Definition at line 121 of file signal32.c.

#define MOV_R7_NR_RT_SIGRETURN   (0xe3a07000 | __NR_compat_rt_sigreturn)

Definition at line 129 of file signal32.c.

#define MOV_R7_NR_SIGRETURN   (0xe3a07000 | __NR_compat_sigreturn)

Definition at line 127 of file signal32.c.

#define SVC_SYS_RT_SIGRETURN   (0xef000000 | __NR_compat_rt_sigreturn)

Definition at line 130 of file signal32.c.

#define SVC_SYS_SIGRETURN   (0xef000000 | __NR_compat_sigreturn)

Definition at line 128 of file signal32.c.

#define SVC_THUMB_RT_SIGRETURN

Value:

(((0xdf00 | __NR_compat_rt_sigreturn) << 16) | \
                   0x2700 | __NR_compat_rt_sigreturn)

Definition at line 138 of file signal32.c.

#define SVC_THUMB_SIGRETURN

Value:

(((0xdf00 | __NR_compat_sigreturn) << 16) | \
                   0x2700 | __NR_compat_sigreturn)

Definition at line 136 of file signal32.c.

#define VFP_MAGIC   0x56465001

Definition at line 101 of file signal32.c.

#define VFP_STORAGE_SIZE   sizeof(struct compat_vfp_sigframe)

Definition at line 102 of file signal32.c.

Typedef Documentation

typedef struct compat_sigaltstack compat_stack_t

Function Documentation

struct compat_vfp_sigframe __attribute__

(

(__aligned__(8))

)

int compat_do_sigaltstack	(	compat_uptr_t	compat_uss,
		compat_uptr_t	compat_uoss,
		compat_ulong_t	sp
	)

Definition at line 426 of file signal32.c.

int compat_setup_frame	(	int	usig,
		struct k_sigaction *	ka,
		sigset_t *	set,
		struct pt_regs *	regs
	)

Definition at line 729 of file signal32.c.

void compat_setup_restart_syscall

(

struct pt_regs *

regs

)

Definition at line 818 of file signal32.c.

int compat_setup_rt_frame	(	int	usig,
		struct k_sigaction *	ka,
		siginfo_t *	info,
		sigset_t *	set,
		struct pt_regs *	regs
	)

Definition at line 693 of file signal32.c.

asmlinkage int compat_sys_rt_sigaction	(	int	sig,
		const struct compat_sigaction __user *	act,
		struct compat_sigaction __user *	oact,
		compat_size_t	sigsetsize
	)

Definition at line 392 of file signal32.c.

asmlinkage int compat_sys_rt_sigpending	(	compat_sigset_t __user *	set,
		compat_size_t	sigsetsize
	)

Definition at line 782 of file signal32.c.

asmlinkage int compat_sys_rt_sigprocmask	(	int	how,
		compat_sigset_t __user *	set,
		compat_sigset_t __user *	oset,
		compat_size_t	sigsetsize
	)

Definition at line 753 of file signal32.c.

asmlinkage int compat_sys_rt_sigqueueinfo	(	int	pid,
		int	sig,
		compat_siginfo_t __user *	uinfo
	)

Definition at line 800 of file signal32.c.

asmlinkage int compat_sys_rt_sigreturn

(

struct pt_regs *

regs

)

Definition at line 542 of file signal32.c.

asmlinkage int compat_sys_sigaction	(	int	sig,
		const struct compat_old_sigaction __user *	act,
		struct compat_old_sigaction __user *	oact
	)

Definition at line 354 of file signal32.c.

asmlinkage int compat_sys_sigreturn

(

struct pt_regs *

regs

)

Definition at line 508 of file signal32.c.

asmlinkage int compat_sys_sigsuspend	(	int	restart,
		compat_ulong_t	oldmask,
		compat_old_sigset_t	mask
	)

Definition at line 345 of file signal32.c.

int copy_siginfo_from_user32	(	siginfo_t *	to,
		compat_siginfo_t __user *	from
	)

Definition at line 242 of file signal32.c.

int copy_siginfo_to_user32	(	compat_siginfo_t __user *	to,
		siginfo_t *	from
	)

Definition at line 173 of file signal32.c.

Variable Documentation

struct compat_sigframe __attribute__

const compat_ulong_t aarch32_sigret_code[6]

Initial value:

= {
    
    MOV_R7_NR_SIGRETURN,    SVC_SYS_SIGRETURN,    SVC_THUMB_SIGRETURN,
    MOV_R7_NR_RT_SIGRETURN, SVC_SYS_RT_SIGRETURN, SVC_THUMB_RT_SIGRETURN,
}

Definition at line 141 of file signal32.c.

unsigned long end_magic

Definition at line 113 of file signal32.c.

compat_ulong_t magic

Definition at line 100 of file signal32.c.

compat_ulong_t size

Definition at line 101 of file signal32.c.

struct compat_user_vfp ufp

struct compat_user_vfp_exc ufp_exc

struct compat_vfp_sigframe vfp

Definition at line 110 of file signal32.c.