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* dummy-frame.c (dummy_frame): Replace regcache member with

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caller_state.
	(dummy_frame_push): Replace caller_regcache arg with caller_state.
	All callers updated.
	(remove_dummy_frame,pop_dummy_frame,lookup_dummy_frame): New fns.
	(dummy_frame_pop): Rewrite.  Verify requested frame is in the
	dummy frame stack.  Restore program state.
	(cleanup_dummy_frames): Rewrite.
	(dummy_frame_sniffer): Update.  Make static.
	* dummy-frame.h (regcache,frame_info): Delete forward decls.
	(inferior_thread_state): New forward decl.
	(dummy_frame_push): Update prototype.
	* frame.c (frame_pop): dummy_frame_pop now does all the work for
	DUMMY_FRAMEs.
	* infcall.c (breakpoint_auto_delete_contents): Delete.
	(get_function_name,run_inferior_call): New fns.
	(call_function_by_hand): Simplify by moving some code to
	get_function_name, run_inferior_call.  Inferior function call wrapped
	in TRY_CATCH so there's less need for cleanups and all exits from
	proceed are handled similarily.  Detect program exit.
	Detect program stopping in a different thread.
	Make error messages more consistent.
	* inferior.h (inferior_thread_state): Declare (opaque type).
	(save_inferior_thread_state,restore_inferior_thread_state,
	make_cleanup_restore_inferior_thread_state,
	discard_inferior_thread_state, get_inferior_thread_state_regcache):
	Declare.
	(save_inferior_status): Update prototype.
	* infrun.c: (normal_stop): When stopped for the completion of an
	inferior function call, verify the expected stack frame kind.
	(inferior_thread_state): New struct.
	(save_inferior_thread_state,restore_inferior_thread_state,
	do_restore_inferior_thread_state_cleanup,
	make_cleanup_restore_inferior_thread_state,
	discard_inferior_thread_state,
	get_inferior_thread_state_regcache): New functions.
	(inferior_status): Move stop_signal, stop_pc, registers to
	inferior_thread_state.  Remove restore_stack_info.
	(save_inferior_status): Remove arg restore_stack_info.
	All callers updated.  Remove saving of state now saved by
	save_inferior_thread_state.
	(restore_inferior_status): Remove restoration of state now done by
	restore_inferior_thread_state.
	(discard_inferior_status): Remove freeing of registers, now done by
	discard_inferior_thread_state.

	* gdb.base/break.exp: Update expected gdb output.
	* gdb.base/sepdebug.exp: Ditto.
	* gdb.mi/mi-syn-frame.exp: Ditto.
	* gdb.mi/mi2-syn-frame.exp: Ditto.

	* gdb.base/call-signal-resume.exp: New file.
	* gdb.base/call-signals.c: New file.
	* gdb.base/unwindonsignal.exp: New file.
	* gdb.base/unwindonsignal.c: New file.
	* gdb.threads/interrupted-hand-call.exp: New file.
	* gdb.threads/interrupted-hand-call.c: New file.
	* gdb.threads/thread-unwindonsignal.exp: New file.
This commit is contained in:
Doug Evans
2009-01-19 19:05:01 +00:00
parent 63f2573fe4
commit b89667ebd4
19 changed files with 1302 additions and 237 deletions
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28
gdb/inferior.h
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@@ -40,24 +40,38 @@ struct ui_out;
/* For struct frame_id. */
#include "frame.h"
/* Structure in which to save the status of the inferior. Create/Save
through "save_inferior_status", restore through
"restore_inferior_status".
/* Two structures are used to record inferior state.
This pair of routines should be called around any transfer of
control to the inferior which you don't want showing up in your
control variables. */
inferior_thread_state contains state about the program itself like its
registers and any signal it received when it last stopped.
This state must be restored regardless of how the inferior function call
ends (either successfully, or after it hits a breakpoint or signal)
if the program is to properly continue where it left off.
inferior_status contains state regarding gdb's control of the inferior
itself like stepping control. It also contains session state like the
user's currently selected frame.
Call these routines around hand called functions, including function calls
in conditional breakpoints for example. */
struct inferior_thread_state;
struct inferior_status;
extern struct inferior_status *save_inferior_status (int);
extern struct inferior_thread_state *save_inferior_thread_state (void);
extern struct inferior_status *save_inferior_status (void);
extern void restore_inferior_thread_state (struct inferior_thread_state *);
extern void restore_inferior_status (struct inferior_status *);
extern struct cleanup *make_cleanup_restore_inferior_thread_state (struct inferior_thread_state *);
extern struct cleanup *make_cleanup_restore_inferior_status (struct inferior_status *);
extern void discard_inferior_thread_state (struct inferior_thread_state *);
extern void discard_inferior_status (struct inferior_status *);
extern struct regcache *get_inferior_thread_state_regcache (struct inferior_thread_state *);
/* The -1 ptid, often used to indicate either an error condition
or a "don't care" condition, i.e, "run all threads." */
extern ptid_t minus_one_ptid;