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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
Download patch file Download diff file Expand all files Collapse all files

19
gdb/linux-nat.c
View file

@ -449,24 +449,19 @@ typedef std::unique_ptr<struct lwp_info, lwp_deleter> lwp_info_up;
unchanged. */
void
linux_nat_target::follow_fork (bool follow_child, bool detach_fork)
linux_nat_target::follow_fork (ptid_t child_ptid, target_waitkind fork_kind,
bool follow_child, bool detach_fork)
{
if (!follow_child)
{
struct lwp_info *child_lp = NULL;
int has_vforked;
ptid_t parent_ptid, child_ptid;
int parent_pid, child_pid;
has_vforked = (inferior_thread ()->pending_follow.kind
== TARGET_WAITKIND_VFORKED);
parent_ptid = inferior_ptid;
bool has_vforked = fork_kind == TARGET_WAITKIND_VFORKED;
ptid_t parent_ptid = inferior_ptid;
child_ptid = inferior_thread ()->pending_follow.value.related_pid;
parent_pid = parent_ptid.lwp ();
child_pid = child_ptid.lwp ();
int parent_pid = parent_ptid.lwp ();
int child_pid = child_ptid.lwp ();
/* We're already attached to the parent, by default. */
child_lp = add_lwp (child_ptid);
lwp_info *child_lp = add_lwp (child_ptid);
child_lp->stopped = 1;
child_lp->last_resume_kind = resume_stop;