diff options
author | Bobby R. Bruce <bbruce@ucdavis.edu> | 2019-10-29 10:43:48 -0700 |
---|---|---|
committer | Bobby R. Bruce <bbruce@ucdavis.edu> | 2019-11-21 23:07:03 +0000 |
commit | 54e0a39b50b9bf53ebf21db59a000d76a59a8a6f (patch) | |
tree | 7f81d48003998b24723551f621ac8d495a8c29c4 /src/base/loader/exec_aout.test.cc | |
parent | cbdf361f3f10ddfc351c24a1baab85a648d5e16d (diff) | |
download | gem5-54e0a39b50b9bf53ebf21db59a000d76a59a8a6f.tar.xz |
tests,base: Added GTests for exec_ecoff.h and exec_aout.h
Change-Id: Iec76ba24a06425caefd28d640c6479720f401c06
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/22323
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Diffstat (limited to 'src/base/loader/exec_aout.test.cc')
-rw-r--r-- | src/base/loader/exec_aout.test.cc | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/src/base/loader/exec_aout.test.cc b/src/base/loader/exec_aout.test.cc new file mode 100644 index 000000000..97419e47f --- /dev/null +++ b/src/base/loader/exec_aout.test.cc @@ -0,0 +1,143 @@ +/* + * Copyright (c) 2019 The Regents of the University of California + * All rights reserved + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Bobby R. Bruce + */ + + +#include <gtest/gtest.h> + +#include "base/loader/exec_aout.h" + +#define OMAGIC_STRUCT (*((const aout_exechdr *)omagic)) +#define NMAGIC_STRUCT (*((const aout_exechdr *)nmagic)) +#define ZMAGIC_STRUCT (*((const aout_exechdr *)zmagic)) +#define NO_MAGIC_STRUCT (*((const aout_exechdr *)no_magic)) + +#if (defined(_BIG_ENDIAN) || !defined(_LITTLE_ENDIAN))\ + && BYTE_ORDER==BIG_ENDIAN +const uint8_t omagic[] { + 0x01, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00 +}; + +const uint8_t nmagic[] { + 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00 +}; + +const uint8_t zmagic[] { + 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00 +}; + +const uint8_t no_magic[] { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x01, 0x00 +}; +#elif defined(_LITTLE_ENDIAN) || BYTE_ORDER==LITTLE_ENDIAN +const uint8_t omagic[] { + 0x07, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00 +}; + +const uint8_t nmagic[] { + 0x08, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00 +}; + +const uint8_t zmagic[] { + 0x0B, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00 +}; + +const uint8_t no_magic[] { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x01 +}; +#else + #error Invalid Endianess +#endif + +TEST(ExecAoutTest, IsNotBadMagicNumber) +{ + EXPECT_FALSE(N_BADMAG(OMAGIC_STRUCT)); + EXPECT_FALSE(N_BADMAG(NMAGIC_STRUCT)); + EXPECT_FALSE(N_BADMAG(ZMAGIC_STRUCT)); +} + +TEST(ExecAoutTest, IsBadMagicNumber) +{ + EXPECT_TRUE(N_BADMAG(NO_MAGIC_STRUCT)); +} + +TEST(ExecAoutTest, AlignNotZmagic) +{ + /* + * N_ALIGN will return x if the aout_exechdr does not have ZMAGIC as a + * magic number. + */ + int64_t x = 0xABCD; + EXPECT_EQ(x, N_ALIGN(OMAGIC_STRUCT, x)); + EXPECT_EQ(x, N_ALIGN(NMAGIC_STRUCT, x)); + EXPECT_EQ(x, N_ALIGN(NO_MAGIC_STRUCT, x)); +} + +TEST(ExecAoutTest, AlignIsZmagic) +{ + /* + * N_ALIGN will round up X by AOUT_LDPGSZ (1 << 13) if the aout_exechdr + * has ZMAGIC as a magic number. + */ + int64_t x = (1 << 20) + (1 << 18) + (1 << 12) + (1 << 5) + 1; + EXPECT_EQ((1 << 20) + (1 << 18) + (1 << 13), N_ALIGN(ZMAGIC_STRUCT, x)); +} + +TEST(ExecAoutTest, AlignIsZmagicNoRounding) +{ + /* + * In this case, there's no rounding needed. + */ + int64_t x = (1 << 20) + (1 << 18) + (1 << 13); + EXPECT_EQ(x, N_ALIGN(ZMAGIC_STRUCT, x)); +}
\ No newline at end of file |