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gdb: add invalidate_selected_frame function

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Instead of using `select_frame (nullptr)` to invalidate the selected
frame, introduce a function to do that.  There is no change in behavior,
but it makes the intent a bit clearer.  It also allows adding an assert
in select_frame that fi is not nullptr, so it avoids passing nullptr by
mistake.

Change-Id: I61643f46bc8eca428334513ebdaadab63997bdd0
Reviewed-By: Bruno Larsen <blarsen@redhat.com>
This commit is contained in:
Simon Marchi
2022-12-02 13:00:47 -05:00
committed by Simon Marchi
parent b5e7cd5cd3
commit 1de4b51563
2 changed files with 15 additions and 4 deletions
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3
gdb/frame.h
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@@ -239,8 +239,7 @@ extern void reinit_frame_cache (void);
and then return that thread's previously selected frame. */
extern frame_info_ptr get_selected_frame (const char *message = nullptr);
/* Select a specific frame. NULL implies re-select the inner most
frame. */
/* Select a specific frame. */
extern void select_frame (frame_info_ptr);
/* Save the frame ID and frame level of the selected frame in FRAME_ID