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c79fb66c78
With test-case gdb.dap/step-out.exp on s390x-linux, I get:
...
>>> {"seq": 7, "type": "request", "command": "scopes", "arguments": {"frameId": 0}}
Content-Length: 569^M
^M
{"request_seq": 7, "type": "response", "command": "scopes", "body": {"scopes": [{"variablesReference": 1, "name": "Locals", "presentationHint": "locals", "expensive": false, "namedVariables": 1, "line": 35, "source": {"name": "step-out.c", "path": "/home/vries/gdb/src/gdb/testsuite/gdb.dap/step-out.c"}}, {"variablesReference": 2, "name": "Registers", "presentationHint": "registers", "expensive": false, "namedVariables": 114, "line": 35, "source": {"name": "step-out.c", "path": "/home/vries/gdb/src/gdb/testsuite/gdb.dap/step-out.c"}}]}, "success": true, "seq": 21}PASS: gdb.dap/step-out.exp: get scopes success
FAIL: gdb.dap/step-out.exp: three scopes
...
The problem is that the test-case expects three scopes:
...
lassign $scopes scope reg_scope return_scope
...
but the return_scope is missing because this doesn't work:
...
$ gdb -q -batch outputs/gdb.dap/step-out/step-out \
-ex "b function_breakpoint_here" \
-ex run \
-ex finish
...
Value returned has type: struct result. Cannot determine contents
...
This is likely caused by a problem in gdb, but there's nothing wrong the DAP
support.
Fix this by:
- allowing two scopes, and
- declaring the tests of return_scope unsupported.
Tested on s390x-linux.
Approved-By: Tom Tromey <tom@tromey.com>
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