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| author | Gabor Dozsa <gabor.dozsa@arm.com> | 2017-11-07 14:05:00 +0000 |
|---|---|---|
| committer | Andreas Sandberg <andreas.sandberg@arm.com> | 2018-10-02 11:51:44 +0000 |
| commit | 9c687a6f70a7b88b8e8c125421c5f5e765b928a5 (patch) | |
| tree | 4ef5b305ce55d7afa1e7159cac5eb2177ed8a279 /src/arch/generic | |
| parent | 3afece061e063db27798288ec8dc9a378a320e02 (diff) | |
| download | gem5-9c687a6f70a7b88b8e8c125421c5f5e765b928a5.tar.xz | |
arch: Fix unserialization of VectorReg value
Change-Id: Iba01ae60e10703877eae299ba924fa1f04a4a387
Signed-off-by: Giacomo Gabrielli <giacomo.gabrielli@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/13104
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
Diffstat (limited to 'src/arch/generic')
| -rw-r--r-- | src/arch/generic/vec_reg.hh | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/src/arch/generic/vec_reg.hh b/src/arch/generic/vec_reg.hh index b68a5886d..7145af4cf 100644 --- a/src/arch/generic/vec_reg.hh +++ b/src/arch/generic/vec_reg.hh @@ -1,5 +1,5 @@ /* - * Copyright (c) 2015-2016 ARM Limited + * Copyright (c) 2015-2016, 2018 ARM Limited * All rights reserved * * The license below extends only to copyright in the software and shall @@ -635,11 +635,14 @@ template <size_t Sz> inline bool to_number(const std::string& value, VecRegContainer<Sz>& v) { - int i = 0; - while (i < Sz) { - std::string byte = value.substr(i<<1, 2); - v.template raw_ptr<uint8_t>()[i] = stoul(byte, 0, 16); - i++; + fatal_if(value.size() > 2 * VecRegContainer<Sz>::SIZE, + "Vector register value overflow at unserialize"); + + for (int i = 0; i < VecRegContainer<Sz>::SIZE; i++) { + uint8_t b = 0; + if (2 * i < value.size()) + b = stoul(value.substr(i * 2, 2), nullptr, 16); + v.template raw_ptr<uint8_t>()[i] = b; } return true; } |