gdb/gdb-6.5-bz218379-solib-trampoline-lookup-lock-fix.patch

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https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=218379
Index: gdb-6.8.50.20090803/gdb/symtab.c
===================================================================
--- gdb-6.8.50.20090803.orig/gdb/symtab.c 2009-08-03 16:09:36.000000000 +0200
+++ gdb-6.8.50.20090803/gdb/symtab.c 2009-08-03 16:13:13.000000000 +0200
@@ -2261,6 +2261,13 @@ find_pc_sect_line (CORE_ADDR pc, struct
/* See above comment about why warning is commented out */
/* warning ("In stub for %s; unable to find real function/line info", SYMBOL_LINKAGE_NAME (msymbol)) */ ;
/* 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 (SYMBOL_VALUE (mfunsym) == pc)
+ warning ("In stub for %s (0x%s); interlocked, please submit the binary to http://bugzilla.redhat.com", SYMBOL_LINKAGE_NAME (msymbol), paddress (target_gdbarch, pc));
+ /* fall through */
else
return find_pc_line (SYMBOL_VALUE_ADDRESS (mfunsym), 0);
}