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-rw-r--r--lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp27
1 files changed, 24 insertions, 3 deletions
diff --git a/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp b/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
index 0b6f12eca43..b00c4c95a56 100644
--- a/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
@@ -393,7 +393,16 @@ ProcessGDBRemote::BuildDynamicRegisterInfo (bool force)
bool from_scratch = (reg_num == 0);
const ArchSpec &target_arch = GetTarget().GetArchitecture();
- const ArchSpec &remote_arch = m_gdb_comm.GetHostArchitecture();
+ const ArchSpec &remote_host_arch = m_gdb_comm.GetHostArchitecture();
+ const ArchSpec &remote_process_arch = m_gdb_comm.GetProcessArchitecture();
+
+ // Use the process' architecture instead of the host arch, if available
+ ArchSpec remote_arch;
+ if (remote_process_arch.IsValid ())
+ remote_arch = remote_process_arch;
+ else
+ remote_arch = remote_host_arch;
+
if (!target_arch.IsValid())
{
if (remote_arch.IsValid()
@@ -480,7 +489,11 @@ ProcessGDBRemote::DoConnectRemote (Stream *strm, const char *remote_url)
&& !GetTarget().GetArchitecture().IsValid()
&& m_gdb_comm.GetHostArchitecture().IsValid())
{
- GetTarget().SetArchitecture(m_gdb_comm.GetHostArchitecture());
+ // Prefer the *process'* architecture over that of the *host*, if available.
+ if (m_gdb_comm.GetProcessArchitecture().IsValid())
+ GetTarget().SetArchitecture(m_gdb_comm.GetProcessArchitecture());
+ else
+ GetTarget().SetArchitecture(m_gdb_comm.GetHostArchitecture());
}
return error;
@@ -866,7 +879,15 @@ ProcessGDBRemote::DidLaunchOrAttach ()
// See if the GDB server supports the qHostInfo information
- const ArchSpec &gdb_remote_arch = m_gdb_comm.GetHostArchitecture();
+ ArchSpec gdb_remote_arch = m_gdb_comm.GetHostArchitecture();
+
+ // See if the GDB server supports the qProcessInfo packet, if so
+ // prefer that over the Host information as it will be more specific
+ // to our process.
+
+ if (m_gdb_comm.GetProcessArchitecture().IsValid())
+ gdb_remote_arch = m_gdb_comm.GetProcessArchitecture();
+
if (gdb_remote_arch.IsValid())
{
ArchSpec &target_arch = GetTarget().GetArchitecture();
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