#include <linux/kernel.h>
#include <linux/highmem.h>
#include <linux/pagemap.h>
#include <linux/slab.h>
#include <linux/sched.h>
#include <linux/rmap.h>
#include <linux/mmu_notifier.h>
#include <linux/swap.h>
#include <linux/ptrace.h>
#include <linux/kdebug.h>
#include "../../mm/internal.h"
#include <linux/uprobes.h>

Data Structures
struct	uprobe

struct	map_info

Macros
#define	UINSNS_PER_PAGE (PAGE_SIZE/UPROBE_XOL_SLOT_BYTES)

#define	MAX_UPROBE_XOL_SLOTS UINSNS_PER_PAGE

#define	UPROBES_HASH_SZ 13

#define	uprobes_hash(v) (&uprobes_mutex[((unsigned long)(v)) % UPROBES_HASH_SZ])

#define	uprobes_mmap_hash(v) (&uprobes_mmap_mutex[((unsigned long)(v)) % UPROBES_HASH_SZ])

#define	UPROBE_COPY_INSN 0

#define	UPROBE_RUN_HANDLER 1

#define	UPROBE_SKIP_SSTEP 2

Functions
bool __weak	is_swbp_insn (uprobe_opcode_t *insn)

int __weak	set_swbp (struct arch_uprobe auprobe, struct mm_struct mm, unsigned long vaddr)

int __weak	set_orig_insn (struct arch_uprobe auprobe, struct mm_struct mm, unsigned long vaddr)

int	uprobe_register (struct inode inode, loff_t offset, struct uprobe_consumer uc)

void	uprobe_unregister (struct inode inode, loff_t offset, struct uprobe_consumer uc)

int	uprobe_mmap (struct vm_area_struct *vma)

void	uprobe_munmap (struct vm_area_struct *vma, unsigned long start, unsigned long end)

void	uprobe_clear_state (struct mm_struct *mm)

void	uprobe_dup_mmap (struct mm_struct oldmm, struct mm_struct newmm)

unsigned long __weak	uprobe_get_swbp_addr (struct pt_regs *regs)

void	uprobe_free_utask (struct task_struct *t)

void	uprobe_copy_process (struct task_struct *t)

bool	uprobe_deny_signal (void)

void __weak	arch_uprobe_enable_step (struct arch_uprobe *arch)

void __weak	arch_uprobe_disable_step (struct arch_uprobe *arch)

void	uprobe_notify_resume (struct pt_regs *regs)

int	uprobe_pre_sstep_notifier (struct pt_regs *regs)

int	uprobe_post_sstep_notifier (struct pt_regs *regs)

	module_init (init_uprobes)

	module_exit (exit_uprobes)

Macro Definition Documentation

#define MAX_UPROBE_XOL_SLOTS UINSNS_PER_PAGE

Definition at line 40 of file uprobes.c.

#define UINSNS_PER_PAGE (PAGE_SIZE/UPROBE_XOL_SLOT_BYTES)

Definition at line 39 of file uprobes.c.

#define UPROBE_COPY_INSN 0

Definition at line 82 of file uprobes.c.

#define UPROBE_RUN_HANDLER 1

Definition at line 84 of file uprobes.c.

#define UPROBE_SKIP_SSTEP 2

Definition at line 86 of file uprobes.c.

#define uprobes_hash ( v ) (&uprobes_mutex[((unsigned long)(v)) % UPROBES_HASH_SZ])

Definition at line 68 of file uprobes.c.

#define UPROBES_HASH_SZ 13

Definition at line 46 of file uprobes.c.

#define uprobes_mmap_hash ( v ) (&uprobes_mmap_mutex[((unsigned long)(v)) % UPROBES_HASH_SZ])

Definition at line 72 of file uprobes.c.

Function Documentation

void __weak arch_uprobe_disable_step ( struct arch_uprobe * arch )

Definition at line 1438 of file uprobes.c.

void __weak arch_uprobe_enable_step ( struct arch_uprobe * arch )

Definition at line 1433 of file uprobes.c.

bool __weak is_swbp_insn ( uprobe_opcode_t * insn )

is_swbp_insn - check if instruction is breakpoint instruction. : instruction to be checked. Default implementation of is_swbp_insn Returns true if is a breakpoint instruction.

Definition at line 194 of file uprobes.c.

module_exit ( exit_uprobes )

module_init ( init_uprobes )

int __weak set_orig_insn	(	struct arch_uprobe *	auprobe,
		struct mm_struct *	mm,
		unsigned long	vaddr
	)

set_orig_insn - Restore the original instruction. : the probed process address space. : arch specific probepoint information. : the virtual address to insert the opcode.

For mm , restore the original opcode (opcode) at . Return 0 (success) or a negative errno.

Definition at line 322 of file uprobes.c.

int __weak set_swbp	(	struct arch_uprobe *	auprobe,
		struct mm_struct *	mm,
		unsigned long	vaddr
	)

set_swbp - store breakpoint at a given address. : arch specific probepoint information. : the probed process address space. : the virtual address to insert the opcode.

For mm , store the breakpoint instruction at . Return 0 (success) or a negative errno.

Definition at line 307 of file uprobes.c.

void uprobe_clear_state ( struct mm_struct * mm )

Definition at line 1122 of file uprobes.c.

void uprobe_copy_process ( struct task_struct * t )

Definition at line 1278 of file uprobes.c.

bool uprobe_deny_signal ( void )

Definition at line 1322 of file uprobes.c.

void uprobe_dup_mmap	(	struct mm_struct *	oldmm,
		struct mm_struct *	newmm
	)

Definition at line 1134 of file uprobes.c.

void uprobe_free_utask ( struct task_struct * t )

Definition at line 1260 of file uprobes.c.

unsigned long __weak uprobe_get_swbp_addr ( struct pt_regs * regs )

uprobe_get_swbp_addr - compute address of swbp given post-swbp regs : Reflects the saved state of the task after it has hit a breakpoint instruction. Return the address of the breakpoint instruction.

Definition at line 1251 of file uprobes.c.

int uprobe_mmap ( struct vm_area_struct * vma )

Definition at line 969 of file uprobes.c.

void uprobe_munmap	(	struct vm_area_struct *	vma,
		unsigned long	start,
		unsigned long	end
	)

Definition at line 1019 of file uprobes.c.

void uprobe_notify_resume ( struct pt_regs * regs )

Definition at line 1550 of file uprobes.c.

int uprobe_post_sstep_notifier ( struct pt_regs * regs )

Definition at line 1580 of file uprobes.c.

int uprobe_pre_sstep_notifier ( struct pt_regs * regs )

Definition at line 1567 of file uprobes.c.

int uprobe_register	(	struct inode *	inode,
		loff_t	offset,
		struct uprobe_consumer *	uc
	)

Definition at line 836 of file uprobes.c.

void uprobe_unregister	(	struct inode *	inode,
		loff_t	offset,
		struct uprobe_consumer *	uc
	)

Definition at line 876 of file uprobes.c.

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation