signal.c File Reference

#include <linux/errno.h>
#include <linux/signal.h>
#include <linux/personality.h>
#include <linux/uaccess.h>
#include <linux/tracehook.h>
#include <asm/elf.h>
#include <asm/cacheflush.h>
#include <asm/ucontext.h>
#include <asm/unistd.h>
#include <asm/vfp.h>
#include "signal.h"

Go to the source code of this file.

Data Structures
struct	sigframe
struct	rt_sigframe

Macros
#define	SWI_SYS_SIGRETURN   (0xef000000|(__NR_sigreturn)|(__NR_OABI_SYSCALL_BASE))
#define	SWI_SYS_RT_SIGRETURN   (0xef000000|(__NR_rt_sigreturn)|(__NR_OABI_SYSCALL_BASE))
#define	MOV_R7_NR_SIGRETURN   (0xe3a07000 | (__NR_sigreturn - __NR_SYSCALL_BASE))
#define	MOV_R7_NR_RT_SIGRETURN   (0xe3a07000 | (__NR_rt_sigreturn - __NR_SYSCALL_BASE))
#define	SWI_THUMB_SIGRETURN   (0xdf00 << 16 | 0x2700 | (__NR_sigreturn - __NR_SYSCALL_BASE))
#define	SWI_THUMB_RT_SIGRETURN   (0xdf00 << 16 | 0x2700 | (__NR_rt_sigreturn - __NR_SYSCALL_BASE))

Functions
asmlinkage int	sys_sigsuspend (int restart, unsigned long oldmask, old_sigset_t mask)
asmlinkage int	sys_sigaction (int sig, const struct old_sigaction __user *act, struct old_sigaction __user *oact)
asmlinkage int	sys_sigreturn (struct pt_regs *regs)
asmlinkage int	sys_rt_sigreturn (struct pt_regs *regs)
asmlinkage int	do_work_pending (struct pt_regs *regs, unsigned int thread_flags, int syscall)

Variables
const unsigned long	sigreturn_codes [7]

Macro Definition Documentation

#define MOV_R7_NR_RT_SIGRETURN   (0xe3a07000 | (__NR_rt_sigreturn - __NR_SYSCALL_BASE))

Definition at line 34 of file signal.c.

#define MOV_R7_NR_SIGRETURN   (0xe3a07000 | (__NR_sigreturn - __NR_SYSCALL_BASE))

Definition at line 33 of file signal.c.

#define SWI_SYS_RT_SIGRETURN   (0xef000000|(__NR_rt_sigreturn)|(__NR_OABI_SYSCALL_BASE))

Definition at line 28 of file signal.c.

#define SWI_SYS_SIGRETURN   (0xef000000|(__NR_sigreturn)|(__NR_OABI_SYSCALL_BASE))

Definition at line 27 of file signal.c.

#define SWI_THUMB_RT_SIGRETURN   (0xdf00 << 16 | 0x2700 | (__NR_rt_sigreturn - __NR_SYSCALL_BASE))

Definition at line 41 of file signal.c.

#define SWI_THUMB_SIGRETURN   (0xdf00 << 16 | 0x2700 | (__NR_sigreturn - __NR_SYSCALL_BASE))

Definition at line 40 of file signal.c.

Function Documentation

asmlinkage int do_work_pending	(	struct pt_regs *	regs,
		unsigned int	thread_flags,
		int	syscall
	)

Definition at line 638 of file signal.c.

asmlinkage int sys_rt_sigreturn

(

struct pt_regs *

regs

)

Definition at line 280 of file signal.c.

asmlinkage int sys_sigaction	(	int	sig,
		const struct old_sigaction __user *	act,
		struct old_sigaction __user *	oact
	)

Definition at line 59 of file signal.c.

asmlinkage int sys_sigreturn

(

struct pt_regs *

regs

)

Definition at line 250 of file signal.c.

asmlinkage int sys_sigsuspend	(	int	restart,
		unsigned long	oldmask,
		old_sigset_t	mask
	)

Definition at line 51 of file signal.c.

Variable Documentation

const unsigned long sigreturn_codes[7]

Initial value:

= {
    MOV_R7_NR_SIGRETURN,    SWI_SYS_SIGRETURN,    SWI_THUMB_SIGRETURN,
    MOV_R7_NR_RT_SIGRETURN, SWI_SYS_RT_SIGRETURN, SWI_THUMB_RT_SIGRETURN,
}

Definition at line 43 of file signal.c.