diff options
Diffstat (limited to 'src')
| -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; } |