diff options
Diffstat (limited to 'src/runtime')
| -rw-r--r-- | src/runtime/runtime-gdb_test.go | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/runtime/runtime-gdb_test.go b/src/runtime/runtime-gdb_test.go index ba005ac35b..3f2d74248b 100644 --- a/src/runtime/runtime-gdb_test.go +++ b/src/runtime/runtime-gdb_test.go @@ -68,14 +68,18 @@ func checkGdbPython(t *testing.T) { const helloSource = ` package main import "fmt" +var gslice []string func main() { mapvar := make(map[string]string,5) mapvar["abc"] = "def" mapvar["ghi"] = "jkl" strvar := "abc" ptrvar := &strvar - fmt.Println("hi") // line 10 + slicevar := make([]string, 0, 16) + slicevar = append(slicevar, mapvar["abc"]) + fmt.Println("hi") // line 12 _ = ptrvar + gslice = slicevar } ` @@ -120,6 +124,9 @@ func TestGdbPython(t *testing.T) { "-ex", "echo BEGIN print strvar\n", "-ex", "print strvar", "-ex", "echo END\n", + "-ex", "echo BEGIN info locals\n", + "-ex", "info locals", + "-ex", "echo END\n", "-ex", "down", // back to fmt.Println (goroutine 2 below only works at bottom of stack. TODO: fix that) "-ex", "echo BEGIN goroutine 2 bt\n", "-ex", "goroutine 2 bt", @@ -168,6 +175,15 @@ func TestGdbPython(t *testing.T) { t.Fatalf("print strvar failed: %s", bl) } + // Issue 16338: ssa decompose phase can split a structure into + // a collection of scalar vars holding the fields. In such cases + // the DWARF variable location expression should be of the + // form "var.field" and not just "field". + infoLocalsRe := regexp.MustCompile(`^slicevar.len = `) + if bl := blocks["info locals"]; !infoLocalsRe.MatchString(bl) { + t.Fatalf("info locals failed: %s", bl) + } + btGoroutineRe := regexp.MustCompile(`^#0\s+runtime.+at`) if bl := blocks["goroutine 2 bt"]; !btGoroutineRe.MatchString(bl) { t.Fatalf("goroutine 2 bt failed: %s", bl) |