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[PATCH v3 03/15] gdb: If no modules have been loaded, do not try to load


From: Glenn Washburn
Subject: [PATCH v3 03/15] gdb: If no modules have been loaded, do not try to load module symbols
Date: Thu, 15 Dec 2022 01:07:38 -0600

This prevents load_all_modules from failing when called before any
modules have been loaded. Failures in GDB user-defined functions cause
any function which called them to also fail.

Signed-off-by: Glenn Washburn <development@efficientek.com>
---
 grub-core/gdb_grub.in | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/grub-core/gdb_grub.in b/grub-core/gdb_grub.in
index 083731408a..77491816f4 100644
--- a/grub-core/gdb_grub.in
+++ b/grub-core/gdb_grub.in
@@ -62,7 +62,9 @@ define load_all_modules
                dump_module_sections $this
                set $this = $this->next
        end
-       match_and_load_symbols
+       if (grub_dl_head != 0)
+               match_and_load_symbols
+       end
 end
 document load_all_modules
        Load debugging information for all loaded modules.
-- 
2.34.1




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