vendor/llvm-project/llvmorg-17-init-19304-gd0b54bb50e51

1 files changed, 10 insertions, 1 deletions

diff --git a/lldb/source/Expression/LLVMUserExpression.cpp b/lldb/source/Expression/LLVMUserExpression.cpp
index 6d11abbf876f..9d01bfcb7220 100644
--- a/lldb/source/Expression/LLVMUserExpression.cpp
+++ b/lldb/source/Expression/LLVMUserExpression.cpp
@@ -23,6 +23,7 @@
 #include "lldb/Symbol/SymbolVendor.h"
 #include "lldb/Symbol/Type.h"
 #include "lldb/Symbol/VariableList.h"
+#include "lldb/Target/ABI.h"
 #include "lldb/Target/ExecutionContext.h"
 #include "lldb/Target/Process.h"
 #include "lldb/Target/StackFrame.h"
@@ -34,6 +35,7 @@
 #include "lldb/Utility/Log.h"
 #include "lldb/Utility/StreamString.h"
 
+using namespace lldb;
 using namespace lldb_private;
 
 char LLVMUserExpression::ID;
@@ -333,7 +335,14 @@ bool LLVMUserExpression::PrepareToExecuteJITExpression(
     if (m_can_interpret && m_stack_frame_bottom == LLDB_INVALID_ADDRESS) {
       Status alloc_error;
 
-      const size_t stack_frame_size = 512 * 1024;
+      size_t stack_frame_size = target->GetExprAllocSize();
+      if (stack_frame_size == 0) {
+        ABISP abi_sp;
+        if (process && (abi_sp = process->GetABI()))
+          stack_frame_size = abi_sp->GetStackFrameSize();
+        else
+          stack_frame_size = 512 * 1024;
+      }
 
       const bool zero_memory = false;