Merge branch 'brown-cs1690:master' into master

1 files changed, 41 insertions, 0 deletions

diff --git a/python/weenix/userland_new.py b/python/weenix/userland_new.py
new file mode 100644
index 0000000..7d4ff55
--- /dev/null
+++ b/python/weenix/userland_new.py
@@ -0,0 +1,41 @@
+import subprocess
+from os import path
+
+# Define the command and arguments
+command = [
+    "objdump",
+    "--headers",
+    "--section=.text",
+    "user/usr/bin/s5fstest.exec"
+]
+
+
+class NewUserland(gdb.Command):
+    def __init__(self):
+      super(NewUserland, self).__init__("new-userland", gdb.COMMAND_USER)
+
+    def invoke(self, arg, from_tty):
+        directory = 'user/usr/bin/'
+        filename = directory + arg + '.exec'
+        if not path.exists(filename):
+            filename = 'user/bin/' + arg + '.exec'
+        if arg == 'init':
+            filename = 'user/sbin/init.exec'
+        
+
+        command = f"objdump --headers --section='.text' {filename} | grep .text | awk '{{print $4}}'"
+
+        result = subprocess.run(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True, shell=True)
+
+        if result.returncode == 0:
+            print("VMA of the .text section:")
+            text_section = result.stdout.strip()
+
+            gdb.execute(f"add-symbol-file {filename} 0x{text_section}")
+            gdb.execute(f"break main")
+        else:
+            print("Command failed with error:")
+            print(result.stderr)
+        
+        
+NewUserland()