diff options
Diffstat (limited to 'lldb/source/Plugins/Process/POSIX/POSIXThread.cpp')
| -rw-r--r-- | lldb/source/Plugins/Process/POSIX/POSIXThread.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/lldb/source/Plugins/Process/POSIX/POSIXThread.cpp b/lldb/source/Plugins/Process/POSIX/POSIXThread.cpp index cc759eaad96..9c0a0016747 100644 --- a/lldb/source/Plugins/Process/POSIX/POSIXThread.cpp +++ b/lldb/source/Plugins/Process/POSIX/POSIXThread.cpp @@ -190,7 +190,17 @@ POSIXThread::GetRegisterContext() reg_interface = new RegisterContextFreeBSD_x86_64(target_arch); break; case llvm::Triple::Linux: - reg_interface = new RegisterContextLinux_x86_64(target_arch); + if (Host::GetArchitecture().GetAddressByteSize() == 4) + { + // 32-bit hosts run with a RegisterContextLinux_i386 context. + reg_interface = static_cast<RegisterInfoInterface*>(new RegisterContextLinux_i386(target_arch)); + } + else + { + assert((Host::GetArchitecture().GetAddressByteSize() == 8) && "Register setting path assumes this is a 64-bit host"); + // X86_64 hosts know how to work with 64-bit and 32-bit EXEs using the x86_64 register context. + reg_interface = static_cast<RegisterInfoInterface*>(new RegisterContextLinux_x86_64(target_arch)); + } break; default: assert(false && "OS not supported"); |
