def RunTests():
"""Run the functional tests and any embedded doctests"""
+ import elf_test
import entry_test
import fdt_test
import ftest
# 'entry' module.
suite = unittest.TestLoader().loadTestsFromTestCase(entry_test.TestEntry)
suite.run(result)
- for module in (ftest.TestFunctional, fdt_test.TestFdt):
+ for module in (ftest.TestFunctional, fdt_test.TestFdt, elf_test.TestElf):
suite = unittest.TestLoader().loadTestsFromTestCase(module)
suite.run(result)
--- /dev/null
+# Copyright (c) 2016 Google, Inc
+# Written by Simon Glass <sjg@chromium.org>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Handle various things related to ELF images
+#
+
+from collections import namedtuple, OrderedDict
+import command
+import os
+import re
+import struct
+
+import tools
+
+Symbol = namedtuple('Symbol', ['section', 'address', 'size', 'weak'])
+
+# Used for tests which don't have an ELF file to read
+ignore_missing_files = False
+
+
+def GetSymbols(fname, patterns):
+ """Get the symbols from an ELF file
+
+ Args:
+ fname: Filename of the ELF file to read
+ patterns: List of regex patterns to search for, each a string
+
+ Returns:
+ None, if the file does not exist, or Dict:
+ key: Name of symbol
+ value: Hex value of symbol
+ """
+ stdout = command.Output('objdump', '-t', fname, raise_on_error=False)
+ lines = stdout.splitlines()
+ if patterns:
+ re_syms = re.compile('|'.join(patterns))
+ else:
+ re_syms = None
+ syms = {}
+ syms_started = False
+ for line in lines:
+ if not line or not syms_started:
+ if 'SYMBOL TABLE' in line:
+ syms_started = True
+ line = None # Otherwise code coverage complains about 'continue'
+ continue
+ if re_syms and not re_syms.search(line):
+ continue
+
+ space_pos = line.find(' ')
+ value, rest = line[:space_pos], line[space_pos + 1:]
+ flags = rest[:7]
+ parts = rest[7:].split()
+ section, size = parts[:2]
+ if len(parts) > 2:
+ name = parts[2]
+ syms[name] = Symbol(section, int(value, 16), int(size,16),
+ flags[1] == 'w')
+ return syms
+
+def GetSymbolAddress(fname, sym_name):
+ """Get a value of a symbol from an ELF file
+
+ Args:
+ fname: Filename of the ELF file to read
+ patterns: List of regex patterns to search for, each a string
+
+ Returns:
+ Symbol value (as an integer) or None if not found
+ """
+ syms = GetSymbols(fname, [sym_name])
+ sym = syms.get(sym_name)
+ if not sym:
+ return None
+ return sym.address
--- /dev/null
+#
+# Copyright (c) 2017 Google, Inc
+# Written by Simon Glass <sjg@chromium.org>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Test for the elf module
+
+import os
+import sys
+import unittest
+
+import elf
+
+binman_dir = os.path.dirname(os.path.realpath(sys.argv[0]))
+fname = os.path.join(binman_dir, 'test', 'u_boot_ucode_ptr')
+
+class TestElf(unittest.TestCase):
+ def testAllSymbols(self):
+ syms = elf.GetSymbols(fname, [])
+ self.assertIn('.ucode', syms)
+
+ def testRegexSymbols(self):
+ syms = elf.GetSymbols(fname, ['ucode'])
+ self.assertIn('.ucode', syms)
+ syms = elf.GetSymbols(fname, ['missing'])
+ self.assertNotIn('.ucode', syms)
+ syms = elf.GetSymbols(fname, ['missing', 'ucode'])
+ self.assertIn('.ucode', syms)
+
+if __name__ == '__main__':
+ unittest.main()
#
import command
+import elf
from entry import Entry
from blob import Entry_blob
import tools
def ObtainContents(self):
fname = tools.GetInputFilename('spl/u-boot-spl')
- args = [['nm', fname], ['grep', '__bss_size']]
- out = command.RunPipe(args, capture=True).stdout.splitlines()
- bss_size = int(out[0].split()[0], 16)
+ bss_size = elf.GetSymbolAddress(fname, '__bss_size')
+ if not bss_size:
+ self.Raise('Expected __bss_size symbol in spl/u-boot-spl')
self.data = chr(0) * bss_size
self.contents_size = bss_size
import struct
import command
+import elf
from entry import Entry
from blob import Entry_blob
import fdt_util
def ObtainContents(self):
# Figure out where to put the microcode pointer
fname = tools.GetInputFilename(self.elf_fname)
- args = [['nm', fname], ['grep', '-w', '_dt_ucode_base_size']]
- out = (command.RunPipe(args, capture=True, raise_on_error=False).
- stdout.splitlines())
- if len(out) == 1:
- self.target_pos = int(out[0].split()[0], 16)
+ sym = elf.GetSymbolAddress(fname, '_dt_ucode_base_size')
+ if sym:
+ self.target_pos = sym
elif not fdt_util.GetBool(self._node, 'optional-ucode'):
self.Raise('Cannot locate _dt_ucode_base_size symbol in u-boot')
data = self._DoReadFile('47_spl_bss_pad.dts')
self.assertEqual(U_BOOT_SPL_DATA + (chr(0) * 10) + U_BOOT_DATA, data)
+ with open(self.TestFile('u_boot_ucode_ptr')) as fd:
+ TestFunctional._MakeInputFile('spl/u-boot-spl', fd.read())
+ with self.assertRaises(ValueError) as e:
+ data = self._DoReadFile('47_spl_bss_pad.dts')
+ self.assertIn('Expected __bss_size symbol in spl/u-boot-spl',
+ str(e.exception))
+
def testPackStart16Spl(self):
"""Test that an image with an x86 start16 region can be created"""
data = self._DoReadFile('48_x86-start16-spl.dts')
* SPDX-License-Identifier: GPL-2.0+
*
* Simple program to create a _dt_ucode_base_size symbol which can be read
- * by 'nm'. This is used by binman tests.
+ * by binutils. This is used by binman tests.
*/
int bss_data[10];
* SPDX-License-Identifier: GPL-2.0+
*
* Simple program to create a _dt_ucode_base_size symbol which can be read
- * by 'nm'. This is used by binman tests.
+ * by binutils. This is used by binman tests.
*/
static unsigned long _dt_ucode_base_size[2]
projects / u-boot / commitdiff