signal_32.c File Reference

#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/kernel.h>
#include <linux/signal.h>
#include <linux/errno.h>
#include <linux/wait.h>
#include <linux/ptrace.h>
#include <linux/unistd.h>
#include <linux/stddef.h>
#include <linux/tty.h>
#include <linux/elf.h>
#include <linux/personality.h>
#include <linux/binfmts.h>
#include <linux/io.h>
#include <linux/tracehook.h>
#include <asm/ucontext.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
#include <asm/cacheflush.h>
#include <asm/syscalls.h>
#include <asm/fpu.h>

Go to the source code of this file.

Data Structures
struct	fdpic_func_descriptor
struct	sigframe
struct	rt_sigframe

Macros
#define	UNWINDGUARD   64
#define	MOVW(n)   (0x9300|((n)-2)) /* Move mem word at PC+n to R3 */
#define	TRAP_NOARG   0xc310 /* Syscall w/no args (NR in R3) */
#define	OR_R0_R0   0x200b /* or r0,r0 (insert to avoid hardware bug) */
#define	COPY(x)   err |= __get_user(regs->x, &sc->sc_##x)
#define	COPY(x)   err |= __put_user(regs->x, &sc->sc_##x)

Functions
asmlinkage int	sys_sigsuspend (old_sigset_t mask)
asmlinkage int	sys_sigaction (int sig, const struct old_sigaction __user *act, struct old_sigaction __user *oact)
asmlinkage int	sys_sigaltstack (const stack_t __user *uss, stack_t __user *uoss, unsigned long r6, unsigned long r7, struct pt_regs __regs)
asmlinkage int	sys_sigreturn (unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7, struct pt_regs __regs)
asmlinkage int	sys_rt_sigreturn (unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7, struct pt_regs __regs)
void	__kernel_sigreturn (void)
void	__kernel_rt_sigreturn (void)
asmlinkage void	do_notify_resume (struct pt_regs *regs, unsigned int save_r0, unsigned long thread_info_flags)

Macro Definition Documentation

#define COPY

(

x

)

err |= __get_user(regs->x, &sc->sc_##x)

#define COPY

(

x

)

err |= __put_user(regs->x, &sc->sc_##x)

#define MOVW

(

n

)

(0x9300|((n)-2)) /* Move mem word at PC+n to R3 */

Definition at line 107 of file signal_32.c.

#define OR_R0_R0   0x200b /* or r0,r0 (insert to avoid hardware bug) */

Definition at line 113 of file signal_32.c.

#define TRAP_NOARG   0xc310 /* Syscall w/no args (NR in R3) */

Definition at line 111 of file signal_32.c.

#define UNWINDGUARD   64

Definition at line 47 of file signal_32.c.

Function Documentation

void __kernel_rt_sigreturn

(

void

)

void __kernel_sigreturn

(

void

)

asmlinkage void do_notify_resume	(	struct pt_regs *	regs,
		unsigned int	save_r0,
		unsigned long	thread_info_flags
	)

Definition at line 593 of file signal_32.c.

asmlinkage int sys_rt_sigreturn	(	unsigned long	r4,
		unsigned long	r5,
		unsigned long	r6,
		unsigned long	r7,
		struct pt_regs	__regs
	)

Definition at line 237 of file signal_32.c.

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

Definition at line 61 of file signal_32.c.

asmlinkage int sys_sigaltstack	(	const stack_t __user *	uss,
		stack_t __user *	uoss,
		unsigned long	r6,
		unsigned long	r7,
		struct pt_regs	__regs
	)

Definition at line 93 of file signal_32.c.

asmlinkage int sys_sigreturn	(	unsigned long	r4,
		unsigned long	r5,
		unsigned long	r6,
		unsigned long	r7,
		struct pt_regs	__regs
	)

Definition at line 205 of file signal_32.c.

asmlinkage int sys_sigsuspend

(

old_sigset_t

mask

)

Definition at line 53 of file signal_32.c.