1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
# Copyright (C) 2022-2022 Free Software Foundation, Inc.
#
# This file is part of GDB.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>. */
import gdb
objfile = None
symtab = None
class JITRegisterCode(gdb.Breakpoint):
def stop(self):
global objfile
global symtab
frame = gdb.newest_frame()
name = frame.read_var('name').string()
code = int(frame.read_var('code'))
size = int(frame.read_var('size'))
objfile = gdb.Objfile(name)
symtab = gdb.Symtab(objfile, "py-jit.c")
symtab.add_block(name, code, code + size)
symtab.set_linetable([
gdb.LineTableEntry(29, code, True),
gdb.LineTableEntry(30, code+3, True),
gdb.LineTableEntry(31, code+6, True)
])
return False # Continue execution
JITRegisterCode("jit_register_code", internal=True)
|
