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| author | Alan Modra <amodra@gmail.com> | 2019-12-11 08:37:53 +1030 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2019-12-11 11:40:51 +1030 |
| commit | 205c426a9bb387204a21165e2275e31c32248035 (patch) | |
| tree | 98858f5426369d3f2b7315fa6b8822bfe1238e0c /opcodes/s12z-opc.c | |
| parent | fb4cb4e26d16f928f00973fcdc99934c9174c957 (diff) | |
| download | gdb-205c426a9bb387204a21165e2275e31c32248035.zip gdb-205c426a9bb387204a21165e2275e31c32248035.tar.gz gdb-205c426a9bb387204a21165e2275e31c32248035.tar.bz2 | |
ubsan: s12z: left shift cannot be represented in type 'int'
* s12z-opc.c (z_decode_signed_value): Avoid signed overflow.
Diffstat (limited to 'opcodes/s12z-opc.c')
| -rw-r--r-- | opcodes/s12z-opc.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/opcodes/s12z-opc.c b/opcodes/s12z-opc.c index 3e0c0e0..044c72a 100644 --- a/opcodes/s12z-opc.c +++ b/opcodes/s12z-opc.c @@ -410,9 +410,7 @@ z_decode_signed_value (struct mem_read_abstraction_base *mra, int offset, int i; uint32_t value = 0; for (i = 0; i < size; ++i) - { - value |= buffer[i] << (8 * (size - i - 1)); - } + value = (value << 8) | buffer[i]; if (buffer[0] & 0x80) { |