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-rw-r--r--elf/dl-debug.c38
1 files changed, 10 insertions, 28 deletions
diff --git a/elf/dl-debug.c b/elf/dl-debug.c
index 2538364..bd6ee69 100644
--- a/elf/dl-debug.c
+++ b/elf/dl-debug.c
@@ -1,6 +1,5 @@
/* Communicate dynamic linker state to the debugger at runtime.
- Copyright (C) 1996, 1998,2000,2002,2004,2005,2006
- Free Software Foundation, Inc.
+ Copyright (C) 1996, 1998, 2000, 2002, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -20,18 +19,6 @@
#include <ldsodefs.h>
-
-/* These are the members in the public `struct link_map' type.
- Sanity check that the internal type and the public type match. */
-#define VERIFY_MEMBER(name) \
- (offsetof (struct link_map_public, name) == offsetof (struct link_map, name))
-extern const int verify_link_map_members[(VERIFY_MEMBER (l_addr)
- && VERIFY_MEMBER (l_name)
- && VERIFY_MEMBER (l_ld)
- && VERIFY_MEMBER (l_next)
- && VERIFY_MEMBER (l_prev))
- ? 1 : -1];
-
/* This structure communicates dl state to the debugger. The debugger
normally finds it via the DT_DEBUG entry in the dynamic section, but in
a statically-linked program there is no dynamic section for the debugger
@@ -45,25 +32,20 @@ struct r_debug _r_debug;
struct r_debug *
internal_function
-_dl_debug_initialize (ElfW(Addr) ldbase, Lmid_t ns)
+_dl_debug_initialize (ElfW(Addr) ldbase)
{
- struct r_debug *r;
-
- if (ns == LM_ID_BASE)
- r = &_r_debug;
- else
- r = &GL(dl_ns)[ns]._ns_debug;
-
- if (r->r_map == NULL || ldbase != 0)
+ if (_r_debug.r_brk == 0)
{
/* Tell the debugger where to find the map of loaded objects. */
- r->r_version = 1 /* R_DEBUG_VERSION XXX */;
- r->r_ldbase = ldbase ?: _r_debug.r_ldbase;
- r->r_map = (void *) GL(dl_ns)[ns]._ns_loaded;
- r->r_brk = (ElfW(Addr)) &_dl_debug_state;
+ _r_debug.r_version = 1 /* R_DEBUG_VERSION XXX */;
+ _r_debug.r_ldbase = ldbase;
+ // XXX This is problematic. It means we cannot tell the debugger
+ // XXX about namespaces other than the main one.
+ _r_debug.r_map = GL(dl_ns)[LM_ID_BASE]._ns_loaded;
+ _r_debug.r_brk = (ElfW(Addr)) &_dl_debug_state;
}
- return r;
+ return &_r_debug;
}