From: Tom de Vries <tdevries@suse.de>
Date: Tue, 6 Jan 2026 20:05:46 +0000 (+0100)
Subject: [gdbsupport] Fix get_print_cell use in threads
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8543102f51fa6edb5b2c63081378965adfc900ca;p=thirdparty%2Fbinutils-gdb.git

[gdbsupport] Fix get_print_cell use in threads

PR gdb/33753 reports problems with get_print_cell when used from threads.

Fix this by making the two static variables in get_print_cell thread_local.

Tested on x86_64-linux.

Approved-By: Simon Marchi <simon.marchi@efficios.com>

Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=33753
---

diff --git a/gdbsupport/print-utils.cc b/gdbsupport/print-utils.cc
index da47d1b45b5..d5a91ba0f83 100644
--- a/gdbsupport/print-utils.cc
+++ b/gdbsupport/print-utils.cc
@@ -28,8 +28,8 @@
 char *
 get_print_cell (void)
 {
-  static char buf[NUMCELLS][PRINT_CELL_SIZE];
-  static int cell = 0;
+  static thread_local char buf[NUMCELLS][PRINT_CELL_SIZE];
+  static thread_local int cell = 0;
 
   if (++cell >= NUMCELLS)
     cell = 0;