/* Machine-dependent ELF dynamic relocation inline functions. IA-64 version.
- Copyright (C) 1995,1996,1997,2000,2001,2002 Free Software Foundation, Inc.
+ Copyright (C) 1995-1997, 2000-2002, 2003 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
#include <string.h>
#include <link.h>
#include <errno.h>
-
+#include <tls.h>
/* Translate a processor specific dynamic tag to the index
in l_info array. */
#define RTLD_START_SPECIAL_INIT /* nothing */
#endif
-/* ELF_RTYPE_CLASS_PLT iff TYPE describes relocation of a PLT entry, so
- PLT entries should not be allowed to define the value.
+/* ELF_RTYPE_CLASS_PLT iff TYPE describes relocation of a PLT entry or TLS
+ variable, so undefined references should not be allowed to define the
+ value.
ELF_RTYPE_CLASS_NOCOPY iff TYPE should not be allowed to resolve to one
of the main executable's symbols, as for a COPY reloc, which we don't
use. */
-/* ??? Ignore IPLTMSB for now. */
+/* ??? Ignore *MSB for now. */
+#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD)
+#define elf_machine_type_class(type) \
+ (((type) == R_IA64_IPLTLSB || (type) == R_IA64_DTPMOD64LSB \
+ || (type) == R_IA64_DTPREL64LSB || (type) == R_IA64_TPREL64LSB) \
+ * ELF_RTYPE_CLASS_PLT)
+#else
#define elf_machine_type_class(type) \
(((type) == R_IA64_IPLTLSB) * ELF_RTYPE_CLASS_PLT)
+#endif
/* A reloc type used for ld.so cmdline arg lookups to reject PLT entries. */
#define ELF_MACHINE_JMP_SLOT R_IA64_IPLTLSB
/* RESOLVE_MAP() will return NULL if it fail to locate the symbol. */
if ((sym_map = RESOLVE_MAP (&sym, version, r_type)))
{
- value = sym ? sym_map->l_addr + sym->st_value : 0;
- value += reloc->r_addend;
+ value = sym_map->l_addr + sym->st_value + reloc->r_addend;
if (R_IA64_TYPE (r_type) == R_IA64_TYPE (R_IA64_DIR64LSB))
;/* No adjustment. */
value = __ia64_make_fptr (sym_map, sym, value);
else if (R_IA64_TYPE (r_type) == R_IA64_TYPE (R_IA64_PCREL64LSB))
value -= (Elf64_Addr) reloc_addr & -16;
+#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || defined USE___THREAD)
+ else if (R_IA64_TYPE (r_type) == R_IA64_TYPE (R_IA64_DTPMOD64LSB))
+# ifdef RTLD_BOOTSTRAP
+ /* During startup the dynamic linker is always index 1. */
+ value = 1;
+# else
+ /* Get the information from the link map returned by the
+ resolv function. */
+ value = sym_map->l_tls_modid;
+ else if (R_IA64_TYPE (r_type) == R_IA64_TYPE (R_IA64_DTPREL64LSB))
+ value -= sym_map->l_addr;
+# endif
+ else if (R_IA64_TYPE (r_type) == R_IA64_TYPE (R_IA64_TPREL64LSB))
+ {
+# ifndef RTLD_BOOTSTRAP
+ CHECK_STATIC_TLS (map, sym_map);
+# endif
+ value += sym_map->l_tls_offset - sym_map->l_addr;
+ }
+#endif
else
assert (! "unexpected dynamic reloc type");
}