[newlib-cygwin] Cygwin: Raise dumpstack frame limit to 32

[Corinna Vinschen <corinna@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=7c9c94b9c8af34152d18cf2264e5c723e9e61ab7

commit 7c9c94b9c8af34152d18cf2264e5c723e9e61ab7
Author: Mark Geisert <mark@maxrnd.com>
Date:   Thu Nov 7 16:13:34 2019 -0800

    Cygwin: Raise dumpstack frame limit to 32
    
    Create a #define for the limit and raise it from 16 to 32.

Diff:
---
 winsup/cygwin/exceptions.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/winsup/cygwin/exceptions.cc b/winsup/cygwin/exceptions.cc
index 132fea4..3e7d727 100644
--- a/winsup/cygwin/exceptions.cc
+++ b/winsup/cygwin/exceptions.cc
@@ -42,6 +42,7 @@ details. */
 
 #define CALL_HANDLER_RETRY_OUTER 10
 #define CALL_HANDLER_RETRY_INNER 10
+#define DUMPSTACK_FRAME_LIMIT    32
 
 PWCHAR debugger_command;
 extern uint8_t _sigbe;
@@ -382,7 +383,7 @@ cygwin_exception::dumpstack ()
 #else
       small_printf ("Stack trace:\r\nFrame     Function  Args\r\n");
 #endif
-      for (i = 0; i < 16 && thestack++; i++)
+      for (i = 0; i < DUMPSTACK_FRAME_LIMIT && thestack++; i++)
 	{
 	  small_printf (_AFMT "  " _AFMT, thestack.sf.AddrFrame.Offset,
 			thestack.sf.AddrPC.Offset);
@@ -392,7 +393,8 @@ cygwin_exception::dumpstack ()
 	  small_printf (")\r\n");
 	}
       small_printf ("End of stack trace%s\n",
-		    i == 16 ? " (more stack frames may be present)" : "");
+		    i == DUMPSTACK_FRAME_LIMIT ?
+		        " (more stack frames may be present)" : "");
       if (h)
 	NtClose (h);
     }