[LLDB][MIPS] Hardware Watchpoints for MIPS

Reviewers: clayborg, jingham.
Subscribers: jaydeep, bhushan, dsanders, sagar, lldb-commits.
Differential Revision: http://reviews.llvm.org/D9142

llvm-svn: 239991

1 files changed, 15 insertions, 0 deletions

diff --git a/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_mips64.h b/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_mips64.h
index 1c24c91c386..be26a26da23 100644
--- a/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_mips64.h
+++ b/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_mips64.h
@@ -16,6 +16,8 @@
 #include "Plugins/Process/Utility/RegisterContext_mips64.h"
 #include "Plugins/Process/Utility/lldb-mips64-register-enums.h"
 
+#define MAX_NUM_WP 8
+
 namespace lldb_private {
 namespace process_linux {
 
@@ -56,6 +58,9 @@ namespace process_linux {
         IsWatchpointHit (uint32_t wp_index, bool &is_hit) override;
 
         Error
+        GetWatchpointHitIndex(uint32_t &wp_index, lldb::addr_t trap_addr) override;
+
+        Error
         IsWatchpointVacant (uint32_t wp_index, bool &is_vacant) override;
 
         bool
@@ -90,6 +95,14 @@ namespace process_linux {
                                        const char* reg_name,
                                        const RegisterValue &value) override;
 
+        NativeProcessLinux::OperationUP
+        GetReadWatchPointRegisterValue(lldb::tid_t tid,
+                                       void* watch_readback);
+
+        NativeProcessLinux::OperationUP
+        GetWriteWatchPointRegisterValue(lldb::tid_t tid,
+                                       void* watch_readback);
+
         bool
         IsFR0();
 
@@ -123,6 +136,8 @@ namespace process_linux {
         uint64_t m_gpr_mips64[k_num_gpr_registers_mips64];
 
         FPR_mips m_fpr;
+
+        lldb::addr_t hw_addr_map[MAX_NUM_WP];
     };
 
 } // namespace process_linux