/* Routines to help build PEI-format DLLs (Win32 etc)
- Copyright 1998-2013 Free Software Foundation, Inc.
+ Copyright (C) 1998-2016 Free Software Foundation, Inc.
Written by DJ Delorie <dj@cygnus.com>
This file is part of the GNU Binutils.
{ STRING_COMMA_LEN ("_impure_ptr") },
{ STRING_COMMA_LEN ("_fmode") },
{ STRING_COMMA_LEN ("environ") },
+ { STRING_COMMA_LEN ("__dso_handle") },
{ NULL, 0 }
};
/* First, run around to all the objects looking for the .drectve
sections, and push those into the def file too. */
- for (b = info->input_bfds; b; b = b->link_next)
+ for (b = info->input_bfds; b; b = b->link.next)
{
s = bfd_get_section_by_name (b, ".drectve");
if (s)
/* If we are building an executable and there is nothing
to export, we do not build an export table at all. */
- if (info->executable && pe_def_file->num_exports == 0
+ if (bfd_link_executable (info) && pe_def_file->num_exports == 0
&& (!pe_dll_export_everything || pe_dll_exclude_all_symbols))
return;
if ((pe_dll_export_everything || pe_def_file->num_exports == 0)
&& !pe_dll_exclude_all_symbols)
{
- for (b = info->input_bfds; b; b = b->link_next)
+ for (b = info->input_bfds; b; b = b->link.next)
{
asymbol **symbols;
int nsyms;
for (i = 0; i < NE; i++)
{
+ char *int_name = pe_def_file->exports[i].internal_name;
char *name;
- name = xmalloc (strlen (pe_def_file->exports[i].internal_name) + 2);
- if (pe_details->underscored
- && (*pe_def_file->exports[i].internal_name != '@'))
+
+ /* PR 19803: Make sure that any exported symbol does not get garbage collected. */
+ lang_add_gc_name (int_name);
+
+ name = xmalloc (strlen (int_name) + 2);
+ if (pe_details->underscored && int_name[0] != '@')
{
*name = '_';
- strcpy (name + 1, pe_def_file->exports[i].internal_name);
+ strcpy (name + 1, int_name);
+
+ /* PR 19803: The alias must be preserved as well. */
+ lang_add_gc_name (xstrdup (name));
}
else
- strcpy (name, pe_def_file->exports[i].internal_name);
+ strcpy (name, int_name);
blhe = bfd_link_hash_lookup (info->hash,
name,
but we must take care not to be fooled when the user wants to export
a symbol that actually really has a dot in it, so we only check
for them here, after real defined symbols have already been matched. */
- else if (strchr (pe_def_file->exports[i].internal_name, '.'))
+ else if (strchr (int_name, '.'))
{
count_exported++;
if (!pe_def_file->exports[i].flag_noname)
{
/* xgettext:c-format */
einfo (_("%XCannot export %s: symbol not defined\n"),
- pe_def_file->exports[i].internal_name);
+ int_name);
}
else if (blhe)
{
/* xgettext:c-format */
einfo (_("%XCannot export %s: symbol wrong type (%d vs %d)\n"),
- pe_def_file->exports[i].internal_name,
+ int_name,
blhe->type, bfd_link_hash_defined);
}
else
{
/* xgettext:c-format */
einfo (_("%XCannot export %s: symbol not found\n"),
- pe_def_file->exports[i].internal_name);
+ int_name);
}
free (name);
}
unsigned char *enameptrs;
unsigned char *eordinals;
char *enamestr;
- time_t now;
-
- time (&now);
edata_d = xmalloc (edata_sz);
+ edata_s->output_section->vma - image_base)
memset (edata_d, 0, edata_sz);
- bfd_put_32 (abfd, now, edata_d + 4);
+
+ if (pe_data (abfd)->insert_timestamp)
+ H_PUT_32 (abfd, time (0), edata_d + 4);
+
if (pe_def_file->version_major != -1)
{
bfd_put_16 (abfd, pe_def_file->version_major, edata_d + 8);
bfd *b;
asection *s;
- for (b = info->input_bfds; b; b = b->link_next)
+ for (b = info->input_bfds; b; b = b->link.next)
{
asymbol **symbols;
struct bfd_section *s;
total_relocs = 0;
- for (b = info->input_bfds; b; b = b->link_next)
+ for (b = info->input_bfds; b; b = b->link.next)
for (s = b->sections; s; s = s->next)
total_relocs += s->reloc_count;
total_relocs = 0;
bi = 0;
- for (bi = 0, b = info->input_bfds; b; bi++, b = b->link_next)
+ for (bi = 0, b = info->input_bfds; b; bi++, b = b->link.next)
{
arelent **relocs;
int relsize, nrelocs;
ar_head = make_head (outarch);
/* Iterate the input BFDs, looking for exclude-modules-for-implib. */
- for (ibfd = info->input_bfds; ibfd; ibfd = ibfd->link_next)
+ for (ibfd = info->input_bfds; ibfd; ibfd = ibfd->link.next)
{
/* Iterate the exclude list. */
struct exclude_list_struct *ex;
/* Don't add PRIVATE entries to import lib. */
if (pe_def_file->exports[i].flag_private)
continue;
+
def->exports[i].internal_name = def->exports[i].name;
+
+ /* PR 19803: If a symbol has been discard due to garbage
+ collection then do not create any exports for it. */
+ {
+ struct coff_link_hash_entry *h;
+
+ h = coff_link_hash_lookup (coff_hash_table (info), internal,
+ FALSE, FALSE, FALSE);
+ if (h != NULL
+ /* If the symbol is hidden and undefined then it
+ has been swept up by garbage collection. */
+ && h->symbol_class == C_HIDDEN
+ && h->root.u.def.section == bfd_und_section_ptr)
+ continue;
+
+ /* If necessary, check with an underscore prefix as well. */
+ if (pe_details->underscored && internal[0] != '@')
+ {
+ char *name;
+
+ name = xmalloc (strlen (internal) + 2);
+ sprintf (name, "_%s", internal);
+
+ h = coff_link_hash_lookup (coff_hash_table (info), name,
+ FALSE, FALSE, FALSE);
+ free (name);
+
+ if (h != NULL
+ /* If the symbol is hidden and undefined then it
+ has been swept up by garbage collection. */
+ && h->symbol_class == C_HIDDEN
+ && h->root.u.def.section == bfd_und_section_ptr)
+ continue;
+ }
+ }
+
n = make_one (def->exports + i, outarch,
! (def->exports + i)->flag_data);
n->archive_next = head;
struct bfd_link_hash_entry *h = NULL;
struct key_value *kv;
struct key_value key;
- char *at, *lname = (char *) alloca (strlen (name) + 3);
+ char *at, *lname = xmalloc (strlen (name) + 3);
strcpy (lname, name);
{
h = bfd_link_hash_lookup (linfo->hash, kv->oname, FALSE, FALSE, FALSE);
if (h->type == bfd_link_hash_undefined)
- return h;
+ goto return_h;
}
+
if (lname[0] == '?')
- return NULL;
+ goto return_NULL;
+
if (at || lname[0] == '@')
{
if (lname[0] == '@')
{
h = bfd_link_hash_lookup (linfo->hash, kv->oname, FALSE, FALSE, FALSE);
if (h->type == bfd_link_hash_undefined)
- return h;
+ goto return_h;
}
}
if (at)
{
h = bfd_link_hash_lookup (linfo->hash, kv->oname, FALSE, FALSE, FALSE);
if (h->type == bfd_link_hash_undefined)
- return h;
+ goto return_h;
}
- return NULL;
+ goto return_NULL;
}
strcat (lname, "@");
{
h = bfd_link_hash_lookup (linfo->hash, kv->oname, FALSE, FALSE, FALSE);
if (h->type == bfd_link_hash_undefined)
- return h;
+ goto return_h;
}
if (lname[0] == '_' && pe_details->underscored)
{
h = bfd_link_hash_lookup (linfo->hash, kv->oname, FALSE, FALSE, FALSE);
if (h->type == bfd_link_hash_undefined)
- return h;
+ goto return_h;
}
- return NULL;
+ return_NULL:
+ h = NULL;
+ return_h:
+ free (lname);
+ return h;
}
static bfd_boolean
pe_output_file_set_long_section_names (abfd);
process_def_file_and_drectve (abfd, info);
- if (pe_def_file->num_exports == 0 && !info->shared)
+ if (pe_def_file->num_exports == 0 && !bfd_link_pic (info))
return;
generate_edata (abfd, info);
fill_edata (abfd, info);
- if (info->shared && !info->pie)
+ if (bfd_link_dll (info))
pe_data (abfd)->dll = 1;
edata_s->contents = edata_d;
projects / deliverable / binutils-gdb.git / blobdiff