return Op;
}
+ iterator skipBytes(uint64_t Add) {
+ return iterator(Expr, Op.EndOffset + Add);
+ }
+
// Comparison operators are provided out of line.
friend bool operator==(const iterator &, const iterator &);
};
S << format("%+" PRId64, Offset);
break;
}
+ case dwarf::DW_OP_entry_value:
+ case dwarf::DW_OP_GNU_entry_value: {
+ // DW_OP_entry_value contains a sub-expression which must be rendered
+ // separately.
+ uint64_t SubExprLength = Op.getRawOperand(0);
+ DWARFExpression::iterator SubExprEnd = I.skipBytes(SubExprLength);
+ ++I;
+ raw_svector_ostream S(Stack.emplace_back().String);
+ S << "entry(";
+ printCompactDWARFExpr(S, I, SubExprEnd, MRI);
+ S << ")";
+ I = SubExprEnd;
+ continue;
+ }
+ case dwarf::DW_OP_stack_value: {
+ // The top stack entry should be treated as the actual value of tne
+ // variable, rather than the address of the variable in memory.
+ assert(!Stack.empty());
+ Stack.back().Kind = PrintedExpr::Value;
+ break;
+ }
default:
if (Opcode >= dwarf::DW_OP_reg0 && Opcode <= dwarf::DW_OP_reg31) {
// DW_OP_reg<N>: A register, with the register num implied by the
TEST_F(DWARFExpressionCompactPrinterTest, Test_OP_bregx) {
TestExprPrinter({DW_OP_bregx, 0x0d, 0x28}, "[SP+40]");
}
+
+TEST_F(DWARFExpressionCompactPrinterTest, Test_OP_stack_value) {
+ TestExprPrinter({DW_OP_breg13, 0x04, DW_OP_stack_value}, "SP+4");
+}
+
+TEST_F(DWARFExpressionCompactPrinterTest, Test_OP_entry_value) {
+ TestExprPrinter({DW_OP_entry_value, 0x01, DW_OP_reg0, DW_OP_stack_value},
+ "entry(R0)");
+}
+
+TEST_F(DWARFExpressionCompactPrinterTest, Test_OP_entry_value_mem) {
+ TestExprPrinter(
+ {DW_OP_entry_value, 0x02, DW_OP_breg13, 0x10, DW_OP_stack_value},
+ "entry([SP+16])");
+}