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gdbserver: check for nullptr condition in regcache::get_register_status

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A regcache can be initialized with a register value buffer, in which
case, the register_status pointer is null.  This condition is checked
in set_register_status, but not in get_register_status.  Do this check
for consistence and safety.

Approved-By: Simon Marchi <simon.marchi@efficios.com>
This commit is contained in:
Tankut Baris Aktemur
2024-12-17 08:48:03 +01:00
parent ccdddcac51
commit 81b65d8695
1 changed files with 4 additions and 1 deletions
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5
gdbserver/regcache.cc
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@@ -526,7 +526,10 @@ regcache::get_register_status (int regnum) const
{
#ifndef IN_PROCESS_AGENT
gdb_assert (regnum >= 0 && regnum < tdesc->reg_defs.size ());
return (enum register_status) (register_status[regnum]);
if (register_status != nullptr)
return (enum register_status) (register_status[regnum]);
else
return REG_VALID;
#else
return REG_VALID;
#endif