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2012-06-04 Pedro Alves <palves@redhat.com>

Browse Source 
* arch-utils.c (default_gdb_signal_from_target): Delete.
	* arch-utils.h (default_gdb_signal_from_target): Delete.
	* corelow.c (core_open) <signal mapping>: Extended comment.  Check
	gdbarch_gdb_signal_from_target_p.
	* gdbarch.sh (gdb_signal_from_target): Make it an M method (with
	predicate).
	* gdbarch.h: Regenerate.
	* gdbarch.c: Regenerate.
This commit is contained in:
Pedro Alves
2012-06-04 16:23:57 +00:00
parent 86b4988036
commit 1f8cf22072
7 changed files with 37 additions and 24 deletions
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11
gdb/ChangeLog
View File

@ -1,3 +1,14 @@
2012-06-04 Pedro Alves <palves@redhat.com>
* arch-utils.c (default_gdb_signal_from_target): Delete.
* arch-utils.h (default_gdb_signal_from_target): Delete.
* corelow.c (core_open) <signal mapping>: Extended comment. Check
gdbarch_gdb_signal_from_target_p.
* gdbarch.sh (gdb_signal_from_target): Make it an M method (with
predicate).
* gdbarch.h: Regenerate.
* gdbarch.c: Regenerate.
2012-06-04 Pedro Alves <palves@redhat.com>
* gdbarch.sh (gdb_signal_from_target): Mention that the

9
gdb/arch-utils.c
View File

@ -793,15 +793,6 @@ default_gen_return_address (struct gdbarch *gdbarch,
error (_("This architecture has no method to collect a return address."));
}
enum gdb_signal
default_gdb_signal_from_target (struct gdbarch *gdbarch, int signo)
{
/* Lacking a better mapping, assume host signal numbers. If
debugging a cross-core, most likely this translation will be
incorrect. */
return gdb_signal_from_host (signo);
}
/* */
/* -Wmissing-prototypes */

3
gdb/arch-utils.h
View File

@ -172,7 +172,4 @@ extern void default_gen_return_address (struct gdbarch *gdbarch,
extern const char *default_auto_charset (void);
extern const char *default_auto_wide_charset (void);
extern enum gdb_signal default_gdb_signal_from_target (struct gdbarch *,
int);
#endif

13
gdb/corelow.c
View File

@ -441,11 +441,16 @@ core_open (char *filename, int from_tty)
if (siggy > 0)
{
/* If we don't have a CORE_GDBARCH to work with, assume a native
core. */
core (map gdb_signal from host signals). If we do have
CORE_GDBARCH to work with, but no gdb_signal_from_target
implementation for that gdbarch, as a fallback measure,
assume the host signal mapping. It'll be correct for native
cores, but most likely incorrect for cross-cores. */
enum gdb_signal sig = (core_gdbarch != NULL
? gdbarch_gdb_signal_from_target (core_gdbarch,
siggy)
: gdb_signal_from_host (siggy));
&& gdbarch_gdb_signal_from_target_p (core_gdbarch)
? gdbarch_gdb_signal_from_target (core_gdbarch,
siggy)
: gdb_signal_from_host (siggy));
printf_filtered (_("Program terminated with signal %d, %s.\n"),
siggy, gdb_signal_to_string (sig));

15
gdb/gdbarch.c
View File

@ -427,7 +427,7 @@ struct gdbarch startup_gdbarch =
0, /* sofun_address_maybe_missing */
0, /* process_record */
0, /* process_record_signal */
default_gdb_signal_from_target, /* gdb_signal_from_target */
0, /* gdb_signal_from_target */
0, /* get_siginfo_type */
0, /* record_special_symbol */
0, /* get_syscall_number */
@ -536,7 +536,6 @@ gdbarch_alloc (const struct gdbarch_info *info,
gdbarch->displaced_step_free_closure = NULL;
gdbarch->displaced_step_location = NULL;
gdbarch->relocate_instruction = NULL;
gdbarch->gdb_signal_from_target = default_gdb_signal_from_target;
gdbarch->has_shared_address_space = default_has_shared_address_space;
gdbarch->fast_tracepoint_valid_at = default_fast_tracepoint_valid_at;
gdbarch->auto_charset = default_auto_charset;
@ -727,7 +726,7 @@ verify_gdbarch (struct gdbarch *gdbarch)
/* Skip verify of sofun_address_maybe_missing, invalid_p == 0 */
/* Skip verify of process_record, has predicate. */
/* Skip verify of process_record_signal, has predicate. */
/* Skip verify of gdb_signal_from_target, invalid_p == 0 */
/* Skip verify of gdb_signal_from_target, has predicate. */
/* Skip verify of get_siginfo_type, has predicate. */
/* Skip verify of record_special_symbol, has predicate. */
/* Skip verify of get_syscall_number, has predicate. */
@ -995,6 +994,9 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
fprintf_unfiltered (file,
"gdbarch_dump: gcore_bfd_target = %s\n",
pstring (gdbarch->gcore_bfd_target));
fprintf_unfiltered (file,
"gdbarch_dump: gdbarch_gdb_signal_from_target_p() = %d\n",
gdbarch_gdb_signal_from_target_p (gdbarch));
fprintf_unfiltered (file,
"gdbarch_dump: gdb_signal_from_target = <%s>\n",
host_address_to_string (gdbarch->gdb_signal_from_target));
@ -3787,6 +3789,13 @@ set_gdbarch_process_record_signal (struct gdbarch *gdbarch,
gdbarch->process_record_signal = process_record_signal;
}
int
gdbarch_gdb_signal_from_target_p (struct gdbarch *gdbarch)
{
gdb_assert (gdbarch != NULL);
return gdbarch->gdb_signal_from_target != NULL;
}
enum gdb_signal
gdbarch_gdb_signal_from_target (struct gdbarch *gdbarch, int signo)
{

5
gdb/gdbarch.h
View File

@ -945,8 +945,9 @@ extern void set_gdbarch_process_record_signal (struct gdbarch *gdbarch, gdbarch_
header (the nm-*.h files), the host <signal.h> header, or similar
headers. This is mainly used when cross-debugging core files ---
"Live" targets hide the translation behind the target interface
(target_wait, target_resume, etc.). The default is to do the
translation using host signal numbers. */
(target_wait, target_resume, etc.). */
extern int gdbarch_gdb_signal_from_target_p (struct gdbarch *gdbarch);
typedef enum gdb_signal (gdbarch_gdb_signal_from_target_ftype) (struct gdbarch *gdbarch, int signo);
extern enum gdb_signal gdbarch_gdb_signal_from_target (struct gdbarch *gdbarch, int signo);

5
gdb/gdbarch.sh
View File

@ -778,9 +778,8 @@ M:int:process_record_signal:struct regcache *regcache, enum gdb_signal signal:re
# header (the nm-*.h files), the host <signal.h> header, or similar
# headers. This is mainly used when cross-debugging core files ---
# "Live" targets hide the translation behind the target interface
# (target_wait, target_resume, etc.). The default is to do the
# translation using host signal numbers.
m:enum gdb_signal:gdb_signal_from_target:int signo:signo::default_gdb_signal_from_target::0
# (target_wait, target_resume, etc.).
M:enum gdb_signal:gdb_signal_from_target:int signo:signo
# Extra signal info inspection.
#