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-rw-r--r--gdb/testsuite/gdb.arch/thumb-prologue.exp27
1 files changed, 27 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.arch/thumb-prologue.exp b/gdb/testsuite/gdb.arch/thumb-prologue.exp
index e685bc5..39b61c4 100644
--- a/gdb/testsuite/gdb.arch/thumb-prologue.exp
+++ b/gdb/testsuite/gdb.arch/thumb-prologue.exp
@@ -59,3 +59,30 @@ gdb_test "backtrace 10" \
gdb_test "info frame" \
".*Saved registers:.*r7 at.*r10 at.*r11 at.*lr at.*" \
"saved registers in TPCS"
+
+
+# Testcase for "switching" the stack to the same stack in the prologue.
+
+gdb_breakpoint "switch_stack_to_same"
+
+gdb_test "continue" "Breakpoint .*, $hex in switch_stack_to_same \\(\\)" \
+ "continue to switch_stack_to_same"
+
+gdb_test "stepi 2" "in write_sp \\(\\)" "stepi over mov sp, sp"
+
+gdb_test "backtrace 10" \
+ "#0\[ \t\]*$hex in write_sp .*\r\n#1\[ \t\]*$hex in switch_stack_to_same .*\r\n#2\[ \t\]*$hex in main.*" \
+ "backtrace in write_sp"
+
+# Testcase for switching to another stack in the prologue.
+
+gdb_breakpoint "switch_stack_to_other"
+
+gdb_test "continue" "Breakpoint .*, $hex in switch_stack_to_other \\(\\)" \
+ "continue to switch_stack_to_other"
+
+gdb_test "stepi 2" "in write_sp \\(\\)" "stepi over mov sp, 128"
+
+gdb_test "backtrace 10" \
+ "#0\[ \t\]*$hex in write_sp .*\r\n#1\[ \t\]*$hex in switch_stack_to_other .*\r\n#2\[ \t\]*$hex in main.*" \
+ "backtrace in write_sp"