[newlib-cygwin] Cygwin: /proc/<PID>/maps: output cygheap info

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=a3f1eff3882d54a0be9fa0f5114fde351ea6941e

commit a3f1eff3882d54a0be9fa0f5114fde351ea6941e
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Fri Oct 28 10:00:17 2022 +0200

    Cygwin: /proc/<PID>/maps: output cygheap info
    
    Now that the cygheap isn't part of the CYgwin DLL anymore, we have a
    known memory location which is not known in maps output.  Fix that by
    checking for cygheap address (same in all processes) and add to output.
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/fhandler/process.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/winsup/cygwin/fhandler/process.cc b/winsup/cygwin/fhandler/process.cc
index c8ca6e25a..a8c17f1b0 100644
--- a/winsup/cygwin/fhandler/process.cc
+++ b/winsup/cygwin/fhandler/process.cc
@@ -1066,6 +1066,8 @@ peb_teb_rinse_repeat:
 		    strcpy (posix_modname, "[cygwin-user-shared]");
 		  else if (cur.abase == (char *) *proc_pinfo)
 		    strcpy (posix_modname, "[procinfo]");
+		  else if (cur.abase == (char *) cygheap)
+		    strcpy (posix_modname, "[cygheap]");
 		  else if (cur.abase == user_heap.base)
 		    strcpy (posix_modname, "[heap]");
 		  else