From 2b87386c7a1c0488bf2a27d7f4ac80aa84e22fb5 Mon Sep 17 00:00:00 2001
From: Adrian Hunter <adrian.hunter@intel.com>
Date: Sun, 30 May 2021 22:23:07 +0300
Subject: perf scripting python: exported-sql-viewer.py: Factor out libxed.py
Factor out libxed.py so it can be reused.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/r/20210530192308.7382-13-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/scripts/python/exported-sql-viewer.py | 89 +-----------------------
1 file changed, 1 insertion(+), 88 deletions(-)
(limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py
index 711d4f9f5645..13f2d8a81610 100755
--- a/tools/perf/scripts/python/exported-sql-viewer.py
+++ b/tools/perf/scripts/python/exported-sql-viewer.py
@@ -113,6 +113,7 @@ import os
import random
import copy
import math
+from libxed import LibXED
pyside_version_1 = True
if not "--pyside-version-1" in sys.argv:
@@ -4747,94 +4748,6 @@ class MainWindow(QMainWindow):
dialog = AboutDialog(self.glb, self)
dialog.exec_()
-# XED Disassembler
-
-class xed_state_t(Structure):
-
- _fields_ = [
- ("mode", c_int),
- ("width", c_int)
- ]
-
-class XEDInstruction():
-
- def __init__(self, libxed):
- # Current xed_decoded_inst_t structure is 192 bytes. Use 512 to allow for future expansion
- xedd_t = c_byte * 512
- self.xedd = xedd_t()
- self.xedp = addressof(self.xedd)
- libxed.xed_decoded_inst_zero(self.xedp)
- self.state = xed_state_t()
- self.statep = addressof(self.state)
- # Buffer for disassembled instruction text
- self.buffer = create_string_buffer(256)
- self.bufferp = addressof(self.buffer)
-
-class LibXED():
-
- def __init__(self):
- try:
- self.libxed = CDLL("libxed.so")
- except:
- self.libxed = None
- if not self.libxed:
- self.libxed = CDLL("/usr/local/lib/libxed.so")
-
- self.xed_tables_init = self.libxed.xed_tables_init
- self.xed_tables_init.restype = None
- self.xed_tables_init.argtypes = []
-
- self.xed_decoded_inst_zero = self.libxed.xed_decoded_inst_zero
- self.xed_decoded_inst_zero.restype = None
- self.xed_decoded_inst_zero.argtypes = [ c_void_p ]
-
- self.xed_operand_values_set_mode = self.libxed.xed_operand_values_set_mode
- self.xed_operand_values_set_mode.restype = None
- self.xed_operand_values_set_mode.argtypes = [ c_void_p, c_void_p ]
-
- self.xed_decoded_inst_zero_keep_mode = self.libxed.xed_decoded_inst_zero_keep_mode
- self.xed_decoded_inst_zero_keep_mode.restype = None
- self.xed_decoded_inst_zero_keep_mode.argtypes = [ c_void_p ]
-
- self.xed_decode = self.libxed.xed_decode
- self.xed_decode.restype = c_int
- self.xed_decode.argtypes = [ c_void_p, c_void_p, c_uint ]
-
- self.xed_format_context = self.libxed.xed_format_context
- self.xed_format_context.restype = c_uint
- self.xed_format_context.argtypes = [ c_int, c_void_p, c_void_p, c_int, c_ulonglong, c_void_p, c_void_p ]
-
- self.xed_tables_init()
-
- def Instruction(self):
- return XEDInstruction(self)
-
- def SetMode(self, inst, mode):
- if mode:
- inst.state.mode = 4 # 32-bit
- inst.state.width = 4 # 4 bytes
- else:
- inst.state.mode = 1 # 64-bit
- inst.state.width = 8 # 8 bytes
- self.xed_operand_values_set_mode(inst.xedp, inst.statep)
-
- def DisassembleOne(self, inst, bytes_ptr, bytes_cnt, ip):
- self.xed_decoded_inst_zero_keep_mode(inst.xedp)
- err = self.xed_decode(inst.xedp, bytes_ptr, bytes_cnt)
- if err:
- return 0, ""
- # Use AT&T mode (2), alternative is Intel (3)
- ok = self.xed_format_context(2, inst.xedp, inst.bufferp, sizeof(inst.buffer), ip, 0, 0)
- if not ok:
- return 0, ""
- if sys.version_info[0] == 2:
- result = inst.buffer.value
- else:
- result = inst.buffer.value.decode()
- # Return instruction length and the disassembled instruction text
- # For now, assume the length is in byte 166
- return inst.xedd[166], result
-
def TryOpen(file_name):
try:
return open(file_name, "rb")
--
cgit