From: Pawel Kupczak <pawel.kupczak@intel.com>
Date: Thu, 28 Aug 2025 11:50:16 +0000 (+0000)
Subject: gdb, amd64: return after amd64_analyze_register_saves if current_pc reached
X-Git-Tag: gdb-17-branchpoint~26
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=95f21c0d25a8241251a1dfcf6e5d80701cd80a06;p=thirdparty%2Fbinutils-gdb.git

gdb, amd64: return after amd64_analyze_register_saves if current_pc reached

Make sure the function bails out early if CURRENT_PC is reached, to
avoid the call to amd64_analyze_stack_alloc.

Reviewed-By: Guinevere Larsen <guinevere@redhat.com>
Approved-By: Andrew Burgess <aburgess@redhat.com>
---

diff --git a/gdb/amd64-tdep.c b/gdb/amd64-tdep.c
index 1afdaa8869a..9245889210b 100755
--- a/gdb/amd64-tdep.c
+++ b/gdb/amd64-tdep.c
@@ -2750,6 +2750,9 @@ amd64_analyze_prologue (gdbarch *gdbarch, CORE_ADDR pc, CORE_ADDR current_pc,
     return current_pc;
 
   pc = amd64_analyze_register_saves (pc, current_pc, cache);
+  if (current_pc <= pc)
+    return current_pc;
+
   return amd64_analyze_stack_alloc (gdbarch, pc, current_pc, cache);
 }