[PATCH 2/3] Add support of DW_OP_GNU_variable_value to DWARF assembler

Kevin Buettner
2018-08-03T04:19:53Z

gdb/testsuite/ChangeLog:

* lib/dwarf.exp: Add support for DW_OP_GNU_variable_value.
---
gdb/testsuite/lib/dwarf.exp | 14 ++++++++++++++
1 file changed, 14 insertions(+)

diff --git a/gdb/testsuite/lib/dwarf.exp b/gdb/testsuite/lib/dwarf.exp
index 82ec29b..0c3f50a 100644
--- a/gdb/testsuite/lib/dwarf.exp
+++ b/gdb/testsuite/lib/dwarf.exp
@@ -962,6 +962,20 @@ namespace eval Dwarf {
_op .sleb128 [lindex $line 2]
}

+ DW_OP_GNU_variable_value {
+ if {[llength $line] != 2} {
+ error "usage: $opcode LABEL"
+ }
+
+ # Here label is a section offset.
+ set label [lindex $line 1]
+ if { $_cu_version == 2 } {
+ _op .${_cu_addr_size}byte $label
+ } else {
+ _op .${_cu_offset_size}byte $label
+ }
+ }
+
DW_OP_deref_size {
if {[llength $line] != 2} {
error "usage: DW_OP_deref_size SIZE"