================
@@ -861,84 +861,159 @@ ResolveLoadAddress(ExecutionContext *exe_ctx,
lldb::ModuleSP &module_sp,
return load_addr;
}
-static llvm::Error Evaluate_DW_OP_deref(DWARFExpression::Stack &stack,
- ExecutionContext *exe_ctx,
- lldb::ModuleSP module_sp,
- Process *process) {
- if (stack.empty())
- return llvm::createStringError("expression stack empty for DW_OP_deref");
-
- const Value::ValueType value_type = stack.back().GetValueType();
+/// Helper function to move common code used to load sized data from a uint8_t
+/// buffer.
+///
+/// \param addr_bytes uint8_t buffer containg raw data
+/// \param size_addr_bytes how large is the underlying raw data
+/// \param byte_order what is the byter order of the underlyig data
+/// \param size How much of the underlying data we want to use
+/// \return The underlying data converted into a Scalar
+static Scalar DerefSizeExtractDataHelper(uint8_t *addr_bytes,
+ size_t size_addr_bytes,
+ ByteOrder byte_order, size_t size) {
+ DataExtractor addr_data(addr_bytes, size_addr_bytes, byte_order, size);
+
+ lldb::offset_t addr_data_offset = 0;
+ if (size <= 8)
+ return addr_data.GetMaxU64(&addr_data_offset, size);
+ else
+ return addr_data.GetAddress(&addr_data_offset);
+}
+
+static llvm::Error Evaluate_DW_OP_deref_size(DWARFExpression::Stack &stack,
+ ExecutionContext *exe_ctx,
+ lldb::ModuleSP module_sp,
+ Process *process, Target *target,
+ uint8_t size) {
+ if (stack.empty()) {
+ return llvm::createStringError(
+ "expression stack empty for DW_OP_deref_size");
+ }
----------------
JDevlieghere wrote:
No braces.
https://github.com/llvm/llvm-project/pull/169587
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