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gdb: pass child_ptid and fork kind to target_ops::follow_fork

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This is a small cleanup I think would be nice, that I spotted while
doing the following patch.

gdb/ChangeLog:

	* target.h (struct target_ops) <follow_fork>: Add ptid and
	target_waitkind parameters.
	(target_follow_fork): Likewise.
	* target.c (default_follow_fork): Likewise.
	(target_follow_fork): Likewise.
	* fbsd-nat.h (class fbsd_nat_target) <follow_fork>: Likewise.
	* fbsd-nat.c (fbsd_nat_target::follow_fork): Likewise.
	* linux-nat.h (class linux_nat_target) <follow_fork>: Likewise.
	* linux-nat.c (linux_nat_target::follow_fork): Likewise.
	* obsd-nat.h (class obsd_nat_target) <follow_fork>: Likewise.
	* obsd-nat.c (obsd_nat_target::follow_fork): Likewise.
	* remote.c (class remote_target) <follow_fork>: Likewise.
	* target-debug.h (target_debug_print_target_waitkind): New.
	* target-delegates.c: Re-generate.

Change-Id: I5421a542f2e19100a22b74cc333d2b235d0de3c8
This commit is contained in:
Simon Marchi
2021-05-31 13:00:32 -04:00
parent ff77083572
commit 3a849a3454
12 changed files with 59 additions and 64 deletions
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15
gdb/infrun.c
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@ -404,13 +404,12 @@ show_follow_fork_mode_string (struct ui_file *file, int from_tty,
static bool
follow_fork_inferior (bool follow_child, bool detach_fork)
{
int has_vforked;
ptid_t parent_ptid, child_ptid;
has_vforked = (inferior_thread ()->pending_follow.kind
== TARGET_WAITKIND_VFORKED);
parent_ptid = inferior_ptid;
child_ptid = inferior_thread ()->pending_follow.value.related_pid;
target_waitkind fork_kind = inferior_thread ()->pending_follow.kind;
gdb_assert (fork_kind == TARGET_WAITKIND_FORKED
|| fork_kind == TARGET_WAITKIND_VFORKED);
bool has_vforked = fork_kind == TARGET_WAITKIND_VFORKED;
ptid_t parent_ptid = inferior_ptid;
ptid_t child_ptid = inferior_thread ()->pending_follow.value.related_pid;
if (has_vforked
&& !non_stop /* Non-stop always resumes both branches. */
@ -649,7 +648,7 @@ holding the child stopped. Try \"set detach-on-fork\" or \
switch_to_thread (child_thr);
}
target_follow_fork (follow_child, detach_fork);
target_follow_fork (child_ptid, fork_kind, follow_child, detach_fork);
/* If we ended up creating a new inferior, call post_create_inferior to inform
the various subcomponents. */