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2002-11-18 Andrew Cagney <ac131313@redhat.com>

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* frame.h (enum frame_type): Define.
	(get_frame_type): Declare.
	(struct frame_info): Add field `type'.  Delete field
	signal_handler_caller.
	(deprecated_set_frame_signal_handler_caller): Declare.
	* frame.c (get_frame_type): New function.
	(deprecated_set_frame_type): New function.
	(create_new_frame): Set the frame's type.
	(get_prev_frame): Similar.
	* sparc-tdep.c: Use get_frame_type instead of signal_handler_caller.
	* s390-tdep.c: Ditto.
	* m68klinux-nat.c: Ditto.
	* ns32k-tdep.c: Ditto.
	* x86-64-linux-tdep.c: Ditto.
	* vax-tdep.c: Ditto.
	* rs6000-tdep.c: Ditto.
	* ppc-linux-tdep.c: Ditto.
	* i386-interix-tdep.c: Ditto.
	* mips-tdep.c: Ditto.
	* m68k-tdep.c: Ditto.
	* hppa-tdep.c: Ditto.
	* ia64-tdep.c: Ditto.
	* cris-tdep.c: Ditto.
	* arm-tdep.c: Ditto.
	* alpha-tdep.c: Ditto.
	* i386-tdep.c: Ditto.
	* stack.c: Ditto.
	* ada-lang.c: Ditto.
	* blockframe.c: Update.
	* i386-interix-tdep.c (i386_interix_back_one_frame): Use
	deprecated_set_frame_type instead of signal_handler_caller.
	* ppc-linux-tdep.c (ppc_linux_init_extra_frame_info): Ditto.
	* rs6000-tdep.c (rs6000_init_extra_frame_info): Ditto.
	* breakpoint.h: Delete FIXME suggesting get_frame_type.

Index: tui/ChangeLog
2002-11-18  Andrew Cagney  <ac131313@redhat.com>

	* tuiStack.c (tuiShowFrameInfo): Use get_frame_type instead of
	signal_handler_caller.
This commit is contained in:
Andrew Cagney
2002-11-18 22:19:33 +00:00
parent bf4ae8b20c
commit 5a203e4405
26 changed files with 286 additions and 133 deletions
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40
gdb/frame.h
View File

@ -93,6 +93,35 @@ extern void get_frame_id (struct frame_info *fi, struct frame_id *id);
for an invalid frame). */
extern int frame_relative_level (struct frame_info *fi);
/* Return the frame's type. Some are real, some are signal
trampolines, and some are completly artificial (dummy). */
enum frame_type
{
/* A true stack frame, created by the target program during normal
execution. */
NORMAL_FRAME,
/* A fake frame, created by GDB when performing an inferior function
call. */
DUMMY_FRAME,
/* In a signal handler, various OSs handle this in various ways.
The main thing is that the frame may be far from normal. */
SIGTRAMP_FRAME
};
extern enum frame_type get_frame_type (struct frame_info *);
/* FIXME: cagney/2002-11-10: Some targets want to directly mark a
frame as being of a specific type. This shouldn't be necessary.
PC_IN_SIGTRAMP() indicates a SIGTRAMP_FRAME and PC_IN_CALL_DUMMY()
indicates a DUMMY_FRAME. I suspect the real problem here is that
get_prev_frame() only sets initialized after INIT_EXTRA_FRAME_INFO
as been called. Consequently, some targets found that the frame's
type was wrong and tried to fix it. The correct fix is to modify
get_prev_frame() so that it initializes the frame's type before
calling any other functions. */
extern void deprecated_set_frame_type (struct frame_info *,
enum frame_type type);
/* Unwind the stack frame so that the value of REGNUM, in the previous
(up, older) frame is returned. If VALUEP is NULL, don't
fetch/compute the value. Instead just return the location of the
@ -227,15 +256,8 @@ struct frame_info
moment leave this as speculation. */
int level;
/* Nonzero if this is a frame associated with calling a signal handler.
Set by machine-dependent code. On some machines, if
the machine-dependent code fails to check for this, the backtrace
will look relatively normal. For example, on the i386
#3 0x158728 in sighold ()
On other machines (e.g. rs6000), the machine-dependent code better
set this to prevent us from trying to print it like a normal frame. */
int signal_handler_caller;
/* The frame's type. */
enum frame_type type;
/* For each register, address of where it was saved on entry to
the frame, or zero if it was not saved on entry to this frame.