[binutils-gdb] fbsd-nat: Add a low_new_fork virtual method.

[John Baldwin]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=c77282d8ba91cf25cf2f08b76702c447e2e74575

commit c77282d8ba91cf25cf2f08b76702c447e2e74575
Author: John Baldwin <jhb@FreeBSD.org>
Date:   Tue Mar 22 12:05:43 2022 -0700

    fbsd-nat: Add a low_new_fork virtual method.
    
    This method can be overridden by architecture-specific targets to
    perform additional work when a new child process is forked.

Diff:
---
 gdb/fbsd-nat.c | 2 ++
 gdb/fbsd-nat.h | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/gdb/fbsd-nat.c b/gdb/fbsd-nat.c
index ba84265dd58..6d76c8234d5 100644
--- a/gdb/fbsd-nat.c
+++ b/gdb/fbsd-nat.c
@@ -1380,6 +1380,8 @@ fbsd_nat_target::wait_1 (ptid_t ptid, struct target_waitstatus *ourstatus,
 		warning (_("Failed to fetch process information"));
 #endif
 
+	      low_new_fork (wptid, child);
+
 	      if (is_vfork)
 		ourstatus->set_vforked (child_ptid);
 	      else
diff --git a/gdb/fbsd-nat.h b/gdb/fbsd-nat.h
index 2d9c6e19a2c..2f17be5a8f0 100644
--- a/gdb/fbsd-nat.h
+++ b/gdb/fbsd-nat.h
@@ -109,6 +109,12 @@ public:
 
   bool supports_disable_randomization () override;
 
+  /* Methods meant to be overridden by arch-specific target
+     classes.  */
+
+  virtual void low_new_fork (ptid_t parent, pid_t child)
+  {}
+
 protected:
 
   void post_startup_inferior (ptid_t) override;