static void gld${EMULATION_NAME}_after_open (void);
static void gld${EMULATION_NAME}_before_allocation (void);
static void gld${EMULATION_NAME}_after_allocation (void);
+static void gld${EMULATION_NAME}_restore_ehdr_start (void);
static lang_output_section_statement_type *gld${EMULATION_NAME}_place_orphan
(asection *, const char *, int);
EOF
EOF
fi
+if test x"$LDEMUL_RECORD_LINK_ASSIGNMENTS" != xgld"$EMULATION_NAME"_record_link_assignments; then
fragment <<EOF
/* Look through an expression for an assignment statement. */
gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp);
}
+static struct elf_link_hash_entry *ehdr_start;
+static struct bfd_link_hash_entry ehdr_start_save;
+
+static void
+gld${EMULATION_NAME}_record_link_assignments (lang_phase_type phase)
+{
+ if (phase == lang_mark_phase_enum
+ && is_elf_hash_table (link_info.hash))
+ {
+ /* Make __ehdr_start hidden if it has been referenced, to
+ prevent the symbol from being dynamic. */
+ if (!bfd_link_relocatable (&link_info))
+ {
+ struct elf_link_hash_entry *h
+ = elf_link_hash_lookup (elf_hash_table (&link_info),
+ "__ehdr_start", FALSE, FALSE, TRUE);
+
+ /* Only adjust the export class if the symbol was referenced
+ and not defined, otherwise leave it alone. */
+ if (h != NULL
+ && (h->root.type == bfd_link_hash_new
+ || h->root.type == bfd_link_hash_undefined
+ || h->root.type == bfd_link_hash_undefweak
+ || h->root.type == bfd_link_hash_common))
+ {
+ _bfd_elf_link_hash_hide_symbol (&link_info, h, TRUE);
+ if (ELF_ST_VISIBILITY (h->other) != STV_INTERNAL)
+ h->other = (h->other & ~ELF_ST_VISIBILITY (-1)) | STV_HIDDEN;
+ /* Don't leave the symbol undefined. Undefined hidden
+ symbols typically won't have dynamic relocations, but
+ we most likely will need dynamic relocations for
+ __ehdr_start if we are building a PIE or shared
+ library. */
+ ehdr_start = h;
+ ehdr_start_save = h->root;
+ h->root.type = bfd_link_hash_defined;
+ h->root.u.def.section = bfd_abs_section_ptr;
+ h->root.u.def.value = 0;
+ }
+ }
+
+ /* If we are going to make any variable assignments, we need to
+ let the ELF backend know about them in case the variables are
+ referred to by dynamic objects. */
+ lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment);
+ }
+}
+
+static void
+gld${EMULATION_NAME}_restore_ehdr_start (void)
+{
+ if (ehdr_start != NULL)
+ {
+ /* If we twiddled __ehdr_start to defined earlier, put it back
+ as it was. */
+ ehdr_start->root.type = ehdr_start_save.type;
+ ehdr_start->root.u = ehdr_start_save.u;
+ }
+}
+
EOF
+else
+fragment <<EOF
+
+static
+gld${EMULATION_NAME}_restore_ehdr_start (void)
+{
+}
+
+EOF
+fi
if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then
if test x"${ELF_INTERPRETER_NAME+set}" = xset; then
}
}
-#if defined(__GNUC__) && GCC_VERSION < 4006
- /* Work around a GCC uninitialized warning bug fixed in GCC 4.6. */
-static struct bfd_link_hash_entry ehdr_start_empty;
-#endif
-
/* This is called after the sections have been attached to output
sections, but before any sizes or addresses have been set. */
const char *rpath;
asection *sinterp;
bfd *abfd;
- struct elf_link_hash_entry *ehdr_start = NULL;
-#if defined(__GNUC__) && GCC_VERSION < 4006
- /* Work around a GCC uninitialized warning bug fixed in GCC 4.6. */
- struct bfd_link_hash_entry ehdr_start_save = ehdr_start_empty;
-#else
- struct bfd_link_hash_entry ehdr_start_save;
-#endif
if (is_elf_hash_table (link_info.hash))
- {
- _bfd_elf_tls_setup (link_info.output_bfd, &link_info);
-
- /* Make __ehdr_start hidden if it has been referenced, to
- prevent the symbol from being dynamic. */
- if (!bfd_link_relocatable (&link_info))
- {
- struct elf_link_hash_entry *h
- = elf_link_hash_lookup (elf_hash_table (&link_info), "__ehdr_start",
- FALSE, FALSE, TRUE);
-
- /* Only adjust the export class if the symbol was referenced
- and not defined, otherwise leave it alone. */
- if (h != NULL
- && (h->root.type == bfd_link_hash_new
- || h->root.type == bfd_link_hash_undefined
- || h->root.type == bfd_link_hash_undefweak
- || h->root.type == bfd_link_hash_common))
- {
- _bfd_elf_link_hash_hide_symbol (&link_info, h, TRUE);
- if (ELF_ST_VISIBILITY (h->other) != STV_INTERNAL)
- h->other = (h->other & ~ELF_ST_VISIBILITY (-1)) | STV_HIDDEN;
- /* Don't leave the symbol undefined. Undefined hidden
- symbols typically won't have dynamic relocations, but
- we most likely will need dynamic relocations for
- __ehdr_start if we are building a PIE or shared
- library. */
- ehdr_start = h;
- ehdr_start_save = h->root;
- h->root.type = bfd_link_hash_defined;
- h->root.u.def.section = bfd_abs_section_ptr;
- h->root.u.def.value = 0;
- }
- }
-
- /* If we are going to make any variable assignments, we need to
- let the ELF backend know about them in case the variables are
- referred to by dynamic objects. */
- lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment);
- }
+ _bfd_elf_tls_setup (link_info.output_bfd, &link_info);
/* Let the ELF backend work out the sizes of any sections required
by dynamic linking. */
if (!bfd_elf_size_dynsym_hash_dynstr (link_info.output_bfd, &link_info))
einfo ("%P%F: failed to set dynamic section sizes: %E\n");
- if (ehdr_start != NULL)
- {
- /* If we twiddled __ehdr_start to defined earlier, put it back
- as it was. */
- ehdr_start->root.type = ehdr_start_save.type;
- ehdr_start->root.u = ehdr_start_save.u;
- }
+ gld${EMULATION_NAME}_restore_ehdr_start ();
}
EOF
${LDEMUL_RECOGNIZED_FILE-gld${EMULATION_NAME}_load_symbols},
${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL},
${LDEMUL_NEW_VERS_PATTERN-NULL},
- ${LDEMUL_EXTRA_MAP_FILE_TEXT-NULL}
+ ${LDEMUL_EXTRA_MAP_FILE_TEXT-NULL},
+ ${LDEMUL_RECORD_LINK_ASSIGNMENTS-gld${EMULATION_NAME}_record_link_assignments},
};
EOF