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eb2dd8df76
In stack.c we currently have a set of static global variables to track the last displayed symtab and line. This commit moves all of these into a class and adds an instance of the class to track the same information. The API into stack.c is unchanged after this cleanup. There should be no user visible changes after this commit. gdb/ChangeLog: * stack.c (set_last_displayed_sal): Delete. (last_displayed_sal_valid): Delete. (last_displayed_pspace): Delete. (last_displayed_addr): Delete. (last_displayed_symtab): Delete. (last_displayed_line): Delete. (class last_displayed_symtab_info_type): New. (last_displayed_symtab_info): New static global variable. (print_frame_info): Call methods on last_displayed_symtab_info. (clear_last_displayed_sal): Update header comment, and make use of last_displayed_symtab_info. (last_displayed_sal_is_valid): Likewise. (get_last_displayed_pspace): Likewise. (get_last_displayed_addr): Likewise. (get_last_displayed_symtab): Likewise. (get_last_displayed_line): Likewise. (get_last_displayed_sal): Likewise. * stack.h (clear_last_displayed_sal): Update header comment. (last_displayed_sal_is_valid): Likewise. (get_last_displayed_pspace): Likewise. (get_last_displayed_addr): Likewise. (get_last_displayed_symtab): Likewise. (get_last_displayed_line): Likewise. (get_last_displayed_sal): Likewise. Change-Id: Ia3dbfe267feec03108c5c8ed8bd94fc0a030c3ed
97 lines
3.3 KiB
C
97 lines
3.3 KiB
C
/* Stack manipulation commands, for GDB the GNU Debugger.
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Copyright (C) 2003-2019 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef STACK_H
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#define STACK_H
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/* Access method used by the MI -stack-select-frame command to switch to
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frame FI. This differs from SELECT_FRAME in that the observers for a
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user selected context change will be triggered. */
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void select_frame_for_mi (struct frame_info *fi);
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gdb::unique_xmalloc_ptr<char> find_frame_funname (struct frame_info *frame,
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enum language *funlang,
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struct symbol **funcp);
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typedef void (*iterate_over_block_arg_local_vars_cb) (const char *print_name,
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struct symbol *sym,
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void *cb_data);
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void iterate_over_block_arg_vars (const struct block *block,
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iterate_over_block_arg_local_vars_cb cb,
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void *cb_data);
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void iterate_over_block_local_vars (const struct block *block,
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iterate_over_block_arg_local_vars_cb cb,
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void *cb_data);
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/* Initialize *WHAT to be a copy of the user desired print what frame info.
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If !WHAT.has_value (), the printing function chooses a default set of
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information to print, otherwise the printing function should print
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the relevant information. */
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void get_user_print_what_frame_info (gdb::optional<enum print_what> *what);
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/* Return true if we should display the address in addition to the location,
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because we are in the middle of a statement. */
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bool frame_show_address (struct frame_info *frame, struct symtab_and_line sal);
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/* Forget the last sal we displayed. */
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void clear_last_displayed_sal (void);
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/* Is our record of the last sal we displayed valid? If not, the
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get_last_displayed_* functions will return NULL or 0, as appropriate. */
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bool last_displayed_sal_is_valid (void);
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/* Get the pspace of the last sal we displayed, if it's valid, otherwise
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return nullptr. */
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struct program_space* get_last_displayed_pspace (void);
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/* Get the address of the last sal we displayed, if it's valid, otherwise
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return an address of 0. */
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CORE_ADDR get_last_displayed_addr (void);
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/* Get the symtab of the last sal we displayed, if it's valid, otherwise
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return nullptr. */
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struct symtab* get_last_displayed_symtab (void);
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/* Get the line of the last sal we displayed, if it's valid, otherwise
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return 0. */
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int get_last_displayed_line (void);
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/* Get the last sal we displayed, if it's valid, otherwise return a
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symtab_and_line constructed in its default state. */
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symtab_and_line get_last_displayed_sal ();
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/* Completer for the "frame apply all" command. */
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void frame_apply_all_cmd_completer (struct cmd_list_element *ignore,
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completion_tracker &tracker,
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const char *text, const char */*word*/);
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#endif /* #ifndef STACK_H */
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