From dd6c23d79fe745e37bc5e3942e500f3044b52f5e Mon Sep 17 00:00:00 2001
From: Miheev Egor <etdiary1@gmail.com>
Date: Wed, 30 Oct 2024 22:37:36 +0300
Subject: [PATCH] =?UTF-8?q?feat:=20=D0=BC=D0=B8=D0=BD=D0=B8=D0=BC=D0=B0?=
 =?UTF-8?q?=D0=BB=D1=8C=D0=BD=D0=BE=D0=B5=20=D1=80=D0=B5=D1=88=D0=B5=D0=BD?=
 =?UTF-8?q?=D0=B8=D0=B5?=
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---
 08-debugging/Makefile   | 17 +++++++++++++++++
 08-debugging/test.c     | 40 ++++++++++++++++++++++++++++++++++++++++
 08-debugging/testee.asm | 21 +++++++++++++++++++++
 3 files changed, 78 insertions(+)
 create mode 100644 08-debugging/Makefile
 create mode 100644 08-debugging/test.c
 create mode 100644 08-debugging/testee.asm

diff --git a/08-debugging/Makefile b/08-debugging/Makefile
new file mode 100644
index 0000000..a139d69
--- /dev/null
+++ b/08-debugging/Makefile
@@ -0,0 +1,17 @@
+
+all: test testee
+
+test: test.o
+	gcc $^ -o $@ -g
+
+test.o: test.c
+	gcc -c $^ -g
+
+testee: testee.o
+	ld $^ -o $@
+
+testee.o: testee.asm
+	nasm -felf64 $^ -o $@ -g
+
+clean:
+	rm *.o test *.gch
diff --git a/08-debugging/test.c b/08-debugging/test.c
new file mode 100644
index 0000000..86afea6
--- /dev/null
+++ b/08-debugging/test.c
@@ -0,0 +1,40 @@
+#include<stdio.h>
+#include<stdlib.h>
+#include<unistd.h>
+#include<sys/types.h>
+#include<sys/ptrace.h>
+#include<sys/user.h>
+#include<sys/wait.h>
+
+#define DONT_CARE 0
+
+int stats;
+struct user_regs_struct regs;
+
+int main()
+{
+  printf("procces is run ");
+  pid_t pid;
+  pid = fork();
+  if (pid==0)
+  {
+    printf(" -- child\n");
+    ptrace(PTRACE_TRACEME, 0, 0, 0);
+    execl("./testee", "testee", NULL);
+    printf("____AFTER_TRACE_CHILD____\n");
+  }
+  else if(pid > 0)
+  {
+    printf(" -- parrent\n");
+    for (int i = 0; i < 4; i++)
+    {
+      waitpid(pid, &stats, 0);
+      printf("____PARENT_STAT: %d____\n", stats);
+      ptrace(PTRACE_GETREGS, pid, DONT_CARE, &regs);
+      printf("rax = %llu\n", regs.rax);
+      ptrace(PTRACE_SINGLESTEP, pid, DONT_CARE, DONT_CARE);
+    }
+    printf("____AFTER_TRACE_PARRENT____\n");
+  }
+  return 0;
+}
diff --git a/08-debugging/testee.asm b/08-debugging/testee.asm
new file mode 100644
index 0000000..db63d56
--- /dev/null
+++ b/08-debugging/testee.asm
@@ -0,0 +1,21 @@
+global _start
+
+section .data
+  msg: db "I'm alive", `\n`, 0
+  msg_len equ $-msg
+
+section .text
+_start:
+  xor rax, rax,
+  add rax, 1
+  add rax, 12
+
+  mov rax, 1
+  mov rdi, 1
+  mov rsi, msg
+  mov rdx, msg_len
+  syscall
+
+  mov rax, 60
+  mov rdi, 0
+  syscall