Author: dlav-sc
Date: 2024-09-25T10:13:40+01:00
New Revision: c93e29439b1ab8ef6873c385f152a06e3395cb59

URL: 
https://github.com/llvm/llvm-project/commit/c93e29439b1ab8ef6873c385f152a06e3395cb59
DIFF: 
https://github.com/llvm/llvm-project/commit/c93e29439b1ab8ef6873c385f152a06e3395cb59.diff

LOG: [lldb] fix vFile:open, vFile:unlink error codes (#106950)

This patch makes gdb-server sends only GDB RSP supported error codes
during vFile:open and vFile:unlink handling.

Added: 
    

Modified: 
    
lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp

Removed: 
    


################################################################################
diff  --git 
a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp 
b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp
index f9d37490e16aec..324db3db7eb4c7 100644
--- 
a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp
+++ 
b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp
@@ -496,6 +496,17 @@ GDBRemoteCommunicationServerCommon::Handle_qSpeedTest(
   return SendErrorResponse(7);
 }
 
+static GDBErrno system_errno_to_gdb(int err) {
+  switch (err) {
+#define HANDLE_ERRNO(name, value)                                              
\
+  case name:                                                                   
\
+    return GDB_##name;
+#include "Plugins/Process/gdb-remote/GDBRemoteErrno.def"
+  default:
+    return GDB_EUNKNOWN;
+  }
+}
+
 GDBRemoteCommunication::PacketResult
 GDBRemoteCommunicationServerCommon::Handle_vFile_Open(
     StringExtractorGDBRemote &packet) {
@@ -522,9 +533,7 @@ GDBRemoteCommunicationServerCommon::Handle_vFile_Open(
         } else {
           response.PutCString("-1");
           std::error_code code = errorToErrorCode(file.takeError());
-          if (code.category() == std::system_category()) {
-            response.Printf(",%x", code.value());
-          }
+          response.Printf(",%x", system_errno_to_gdb(code.value()));
         }
 
         return SendPacketNoLock(response.GetString());
@@ -534,17 +543,6 @@ GDBRemoteCommunicationServerCommon::Handle_vFile_Open(
   return SendErrorResponse(18);
 }
 
-static GDBErrno system_errno_to_gdb(int err) {
-  switch (err) {
-#define HANDLE_ERRNO(name, value)                                              
\
-  case name:                                                                   
\
-    return GDB_##name;
-#include "Plugins/Process/gdb-remote/GDBRemoteErrno.def"
-  default:
-    return GDB_EUNKNOWN;
-  }
-}
-
 GDBRemoteCommunication::PacketResult
 GDBRemoteCommunicationServerCommon::Handle_vFile_Close(
     StringExtractorGDBRemote &packet) {
@@ -727,7 +725,8 @@ GDBRemoteCommunicationServerCommon::Handle_vFile_unlink(
   packet.GetHexByteString(path);
   Status error(llvm::sys::fs::remove(path));
   StreamString response;
-  response.Printf("F%x,%x", error.GetError(), error.GetError());
+  response.Printf("F%x,%x", error.GetError(),
+                  system_errno_to_gdb(error.GetError()));
   return SendPacketNoLock(response.GetString());
 }
 


        
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