ia32_signal.c File Reference

#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/wait.h>
#include <linux/unistd.h>
#include <linux/stddef.h>
#include <linux/personality.h>
#include <linux/compat.h>
#include <linux/binfmts.h>
#include <asm/ucontext.h>
#include <asm/uaccess.h>
#include <asm/i387.h>
#include <asm/fpu-internal.h>
#include <asm/ptrace.h>
#include <asm/ia32_unistd.h>
#include <asm/user32.h>
#include <asm/sigcontext32.h>
#include <asm/proto.h>
#include <asm/vdso.h>
#include <asm/sigframe.h>
#include <asm/sighandling.h>
#include <asm/sys_ia32.h>
#include <asm/smap.h>

Go to the source code of this file.

Macros
#define	FIX_EFLAGS   __FIX_EFLAGS
#define	loadsegment_gs(v)   load_gs_index(v)
#define	loadsegment_fs(v)   loadsegment(fs, v)
#define	loadsegment_ds(v)   loadsegment(ds, v)
#define	loadsegment_es(v)   loadsegment(es, v)
#define	get_user_seg(seg)   ({ unsigned int v; savesegment(seg, v); v; })
#define	set_user_seg(seg, v)   loadsegment_##seg(v)
#define	COPY(x)
#define	GET_SEG(seg)
#define	COPY_SEG_CPL3(seg)
#define	RELOAD_SEG(seg)

Functions
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 long	sys32_sigsuspend (int history0, int history1, old_sigset_t mask)
asmlinkage long	sys32_sigaltstack (const stack_ia32_t __user *uss_ptr, stack_ia32_t __user *uoss_ptr, struct pt_regs *regs)
asmlinkage long	sys32_sigreturn (struct pt_regs *regs)
asmlinkage long	sys32_rt_sigreturn (struct pt_regs *regs)
int	ia32_setup_frame (int sig, struct k_sigaction *ka, compat_sigset_t *set, struct pt_regs *regs)
int	ia32_setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, compat_sigset_t *set, struct pt_regs *regs)

Macro Definition Documentation

#define COPY

(

x

)

Value:

{       \
    get_user_ex(regs->x, &sc->x);       \
}

Definition at line 196 of file ia32_signal.c.

#define COPY_SEG_CPL3

(

seg

)

Value:

do {            \
	regs->seg = GET_SEG(seg) | 3;          \
} while (0)

Definition at line 206 of file ia32_signal.c.

#define FIX_EFLAGS   __FIX_EFLAGS

Definition at line 37 of file ia32_signal.c.

#define GET_SEG

(

seg

)

Value:

({          \
    unsigned short tmp;             \
    get_user_ex(tmp, &sc->seg);         \
    tmp;                        \
})

Definition at line 200 of file ia32_signal.c.

#define get_user_seg

(

seg

)

({ unsigned int v; savesegment(seg, v); v; })

Definition at line 193 of file ia32_signal.c.

#define loadsegment_ds

(

v

)

loadsegment(ds, v)

Definition at line 190 of file ia32_signal.c.

#define loadsegment_es

(

v

)

loadsegment(es, v)

Definition at line 191 of file ia32_signal.c.

#define loadsegment_fs

(

v

)

loadsegment(fs, v)

Definition at line 189 of file ia32_signal.c.

#define loadsegment_gs

(

v

)

load_gs_index(v)

Definition at line 188 of file ia32_signal.c.

#define RELOAD_SEG

(

seg

)

Value:

{       \
    unsigned int pre = GET_SEG(seg);    \
    unsigned int cur = get_user_seg(seg);   \
    pre |= 3;               \
    if (pre != cur)             \
        set_user_seg(seg, pre);     \
}

Definition at line 210 of file ia32_signal.c.

#define set_user_seg	(		seg,
			v
	)		loadsegment_##seg(v)

Definition at line 194 of file ia32_signal.c.

Function Documentation

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

Definition at line 110 of file ia32_signal.c.

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

Definition at line 39 of file ia32_signal.c.

int ia32_setup_frame	(	int	sig,
		struct k_sigaction *	ka,
		compat_sigset_t *	set,
		struct pt_regs *	regs
	)

Definition at line 403 of file ia32_signal.c.

int ia32_setup_rt_frame	(	int	sig,
		struct k_sigaction *	ka,
		siginfo_t *	info,
		compat_sigset_t *	set,
		struct pt_regs *	regs
	)

Definition at line 481 of file ia32_signal.c.

asmlinkage long sys32_rt_sigreturn

(

struct pt_regs *

regs

)

Definition at line 290 of file ia32_signal.c.

asmlinkage long sys32_sigaltstack	(	const stack_ia32_t __user *	uss_ptr,
		stack_ia32_t __user *	uoss_ptr,
		struct pt_regs *	regs
	)

Definition at line 139 of file ia32_signal.c.

asmlinkage long sys32_sigreturn

(

struct pt_regs *

regs

)

Definition at line 264 of file ia32_signal.c.

asmlinkage long sys32_sigsuspend	(	int	history0,
		int	history1,
		old_sigset_t	mask
	)

Definition at line 132 of file ia32_signal.c.