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gdb/mi: add no-history stop reason

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When executing in reverse and runs out of recorded history, GDB prints
a warning to the user, but does not add a reason in the stopped record,
for example:

*stopped,frame={addr="0x000000000040113e",func="main",args=[],file="/home/blarsen/Documents/fsf_build/gdb/testsuite/../../../binutils-gdb/gdb/testsuite/gdb.reverse/solib-reverse.c",fullname="/home/blarsen/Documents/binutils-gdb/gdb/testsuite/gdb.reverse/solib-reverse.c",line="27",arch="i386:x86-64"},thread-id="1",stopped-threads="all",core="1"

This problem was reported as record/29260.

This commit adds the reason no-history to the record, making it easier
for interfaces using the mi interpreter to report the result.  It also
changes the test gdb.mi/mi-reverse.exp to test that the reason shows up
correctly.

Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=29260
This commit is contained in:
Bruno Larsen
2023-01-02 14:35:50 +01:00
parent 695e977378
commit 37f54063ed
6 changed files with 14 additions and 2 deletions
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5
gdb/infrun.c
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@@ -8406,7 +8406,10 @@ print_signal_received_reason (struct ui_out *uiout, enum gdb_signal siggnal)
void
print_no_history_reason (struct ui_out *uiout)
{
uiout->text ("\nNo more reverse-execution history.\n");
if (uiout->is_mi_like_p ())
uiout->field_string ("reason", async_reason_lookup (EXEC_ASYNC_NO_HISTORY));
else
uiout->text ("\nNo more reverse-execution history.\n");
}
/* Print current location without a level number, if we have changed