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Add a new gdbarch hook to report additional signal information.

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This is a more general version of the existing handle_segmentation_fault
hook that is able to report information for an arbitrary signal, not
just SIGSEGV.

gdb/ChangeLog:

	* gdbarch.c: Regenerate.
	* gdbarch.h: Regenerate.
	* gdbarch.sh (report_signal_info): New method.
	* infrun.c (print_signal_received_reason): Invoke gdbarch
	report_signal_info hook if present.
This commit is contained in:
John Baldwin 2020-07-21 17:28:16 -07:00
parent 98f5f7740a
commit 272bb05cc5
5 changed files with 60 additions and 0 deletions
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10
gdb/gdbarch.h
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@ -332,6 +332,16 @@ typedef void (gdbarch_handle_segmentation_fault_ftype) (struct gdbarch *gdbarch,
extern void gdbarch_handle_segmentation_fault (struct gdbarch *gdbarch, struct ui_out *uiout);
extern void set_gdbarch_handle_segmentation_fault (struct gdbarch *gdbarch, gdbarch_handle_segmentation_fault_ftype *handle_segmentation_fault);
/* Some architectures can display additional information for specific
signals.
UIOUT is the output stream where the handler will place information. */
extern int gdbarch_report_signal_info_p (struct gdbarch *gdbarch);
typedef void (gdbarch_report_signal_info_ftype) (struct gdbarch *gdbarch, struct ui_out *uiout, enum gdb_signal siggnal);
extern void gdbarch_report_signal_info (struct gdbarch *gdbarch, struct ui_out *uiout, enum gdb_signal siggnal);
extern void set_gdbarch_report_signal_info (struct gdbarch *gdbarch, gdbarch_report_signal_info_ftype *report_signal_info);
/* GDB's standard (or well known) register numbers. These can map onto
a real register or a pseudo (computed) register or not be defined at
all (-1).