step.c (64282ea2d2a90437c0739ce016b80a1dec16507e) step.c (99504819fc643160afd6813921b1d42b18e52a49)
1/*
2 * x86 single-step support code, common to 32-bit and 64-bit.
3 */
4#include <linux/sched.h>
5#include <linux/sched/task_stack.h>
6#include <linux/mm.h>
7#include <linux/ptrace.h>
8#include <asm/desc.h>
9#include <asm/mmu_context.h>
10
11unsigned long convert_ip_to_linear(struct task_struct *child, struct pt_regs *regs)
12{
13 unsigned long addr, seg;
14
15 addr = regs->ip;
1/*
2 * x86 single-step support code, common to 32-bit and 64-bit.
3 */
4#include <linux/sched.h>
5#include <linux/sched/task_stack.h>
6#include <linux/mm.h>
7#include <linux/ptrace.h>
8#include <asm/desc.h>
9#include <asm/mmu_context.h>
10
11unsigned long convert_ip_to_linear(struct task_struct *child, struct pt_regs *regs)
12{
13 unsigned long addr, seg;
14
15 addr = regs->ip;
16 seg = regs->cs & 0xffff;
16 seg = regs->cs;
17 if (v8086_mode(regs)) {
18 addr = (addr & 0xffff) + (seg << 4);
19 return addr;
20 }
21
22#ifdef CONFIG_MODIFY_LDT_SYSCALL
23 /*
24 * We'll assume that the code segments in the GDT

--- 212 unchanged lines hidden --- 		17 if (v8086_mode(regs)) {
18 addr = (addr & 0xffff) + (seg << 4);
19 return addr;
20 }
21
22#ifdef CONFIG_MODIFY_LDT_SYSCALL
23 /*
24 * We'll assume that the code segments in the GDT

--- 212 unchanged lines hidden ---