gdb/gdb-6.5-bz218379-solib-trampoline-lookup-lock-fix.patch
Kevin Buettner ed8730b4d9 Rebase to FSF GDB 10.1.
Bump 'snapgnulib' date.
Drop gdb-rhbz1818011-bfd-gcc10-error.patch.
Drop gdb-rhbz1822715-fix-python-deprecation.patch.
Drop gdb-rhbz1829702-fix-python39.patch.
Drop gdb-rhbz1838777-debuginfod.patch.
Drop gdb-rhbz1844458-use-fputX_unfiltered.patch.
Drop gdb-rhbz1869484-deleted-working-directory.
Adjust build-id related patches.
Ajust VLA patches.
2020-11-05 14:17:24 -07:00

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Diff

From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
From: Fedora GDB patches <invalid@email.com>
Date: Fri, 27 Oct 2017 21:07:50 +0200
Subject: gdb-6.5-bz218379-solib-trampoline-lookup-lock-fix.patch
;; Fix lockup on trampoline vs. its function lookup; unreproducible (BZ 218379).
;;=fedora
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=218379
diff --git a/gdb/symtab.c b/gdb/symtab.c
--- a/gdb/symtab.c
+++ b/gdb/symtab.c
@@ -3169,6 +3169,13 @@ find_pc_sect_line (CORE_ADDR pc, struct obj_section *section, int notcurrent)
msymbol->linkage_name ()); */
;
/* fall through */
+ /* `msymbol' trampoline may be located before its .text symbol
+ but this text symbol may be the address we were looking for.
+ Avoid `find_pc_sect_line'<->`find_pc_line' infinite loop.
+ Red Hat Bug 218379. */
+ else if (BMSYMBOL_VALUE_ADDRESS (mfunsym) == pc)
+ warning ("In stub for %s (0x%s); interlocked, please submit the binary to http://bugzilla.redhat.com", msymbol.minsym->linkage_name (), paddress (target_gdbarch (), pc));
+ /* fall through */
else
{
/* Detect an obvious case of infinite recursion. If this