/* Routines to help build PEI-format DLLs (Win32 etc)
- Copyright (C) 1998-2020 Free Software Foundation, Inc.
+ Copyright (C) 1998-2022 Free Software Foundation, Inc.
Written by DJ Delorie <dj@cygnus.com>
This file is part of the GNU Binutils.
static unsigned char *edata_d, *reloc_d;
static size_t edata_sz, reloc_sz;
static int runtime_pseudo_relocs_created = 0;
-static bfd_boolean runtime_pseudp_reloc_v2_init = FALSE;
+static bool runtime_pseudp_reloc_v2_init = false;
typedef struct
{
unsigned int imagebase_reloc;
int pe_arch;
int bfd_arch;
- bfd_boolean underscored;
+ bool underscored;
const autofilter_entry_type* autofilter_symbollist;
}
pe_details_type;
PE_ARCH_i386,
bfd_arch_i386,
#ifdef pe_use_x86_64
- FALSE,
+ false,
#else
- TRUE,
+ true,
#endif
autofilter_symbollist_i386
},
3 /* R_IMAGEBASE */,
PE_ARCH_i386,
bfd_arch_i386,
- FALSE,
+ false,
autofilter_symbollist_i386
},
#else
7 /* R_IMAGEBASE */,
PE_ARCH_i386,
bfd_arch_i386,
- TRUE,
+ true,
autofilter_symbollist_i386
},
#endif
16 /* R_SH_IMAGEBASE */,
PE_ARCH_sh,
bfd_arch_sh,
- TRUE,
+ true,
autofilter_symbollist_generic
},
{
34 /* MIPS_R_RVA */,
PE_ARCH_mips,
bfd_arch_mips,
- FALSE,
+ false,
autofilter_symbollist_generic
},
{
11 /* ARM_RVA32 */,
PE_ARCH_arm,
bfd_arch_arm,
- TRUE,
+ true,
autofilter_symbollist_generic
},
{
2, /* ARM_RVA32 on Windows CE, see bfd/coff-arm.c. */
PE_ARCH_arm_wince,
bfd_arch_arm,
- FALSE,
+ false,
autofilter_symbollist_generic
},
- { NULL, NULL, 0, 0, 0, FALSE, NULL }
+ { NULL, NULL, 0, 0, 0, false, NULL }
};
static const pe_details_type *pe_details;
{ STRING_COMMA_LEN ("libgcj") },
{ STRING_COMMA_LEN ("libmsvcrt") },
{ STRING_COMMA_LEN ("libmsvcrt-os") },
+ { STRING_COMMA_LEN ("libucrt") },
{ STRING_COMMA_LEN ("libucrtbase") },
{ NULL, 0 }
};
bfd_get_target_info (target, NULL, NULL, &u, NULL);
if (u == -1)
abort ();
- pe_detail_list[i].underscored = (u != 0 ? TRUE : FALSE);
+ pe_detail_list[i].underscored = u != 0;
pe_details = pe_detail_list + i;
pe_leading_underscore = (u != 0 ? 1 : 0);
return;
free (local_copy);
}
-static bfd_boolean
+static bool
is_import (const char* n)
{
- return (CONST_STRNEQ (n, "__imp_"));
+ return (startswith (n, "__imp_"));
}
/* abfd is a bfd containing n (or NULL)
bfd *b;
struct bfd_section *s;
def_file_export *e = 0;
- bfd_boolean resort_needed;
+ bool resort_needed;
if (!pe_def_file)
pe_def_file = def_file_empty ();
{
struct coff_link_hash_entry *sym_hash;
sym_hash = coff_link_hash_lookup (coff_hash_table (info),
- ac->symbol_name, FALSE, FALSE, FALSE);
+ ac->symbol_name, false, false, false);
if (sym_hash && sym_hash->root.type == bfd_link_hash_common
&& sym_hash->root.u.c.p->alignment_power < (unsigned) ac->alignment)
{
/* We should export symbols which are either global or not
anything at all. (.bss data is the latter)
We should not export undefined symbols. */
- bfd_boolean would_export
+ bool would_export
= (symbols[j]->section != bfd_und_section_ptr
&& ((symbols[j]->flags & BSF_GLOBAL)
|| (symbols[j]->flags == 0)));
sprintf (name, "%s%s", "__imp_", sn);
blhe = bfd_link_hash_lookup (info->hash, name,
- FALSE, FALSE, FALSE);
+ false, false, false);
free (name);
if (blhe && blhe->type == bfd_link_hash_defined)
if (NE == 0)
return;
- resort_needed = FALSE;
+ resort_needed = false;
/* Canonicalize the export list. */
if (pe_dll_kill_ats)
einfo (_("%X%P: cannot export %s: invalid export name\n"),
pe_def_file->exports[i].name);
pe_def_file->exports[i].name = tmp;
- resort_needed = TRUE;
+ resort_needed = true;
}
}
}
blhe = bfd_link_hash_lookup (info->hash,
name,
- FALSE, FALSE, TRUE);
+ false, false, true);
if (blhe
&& (blhe->type == bfd_link_hash_defined
blhe = bfd_link_hash_lookup (info->hash,
name,
- FALSE, FALSE, TRUE);
+ false, false, true);
if (blhe && blhe->type == bfd_link_hash_defined)
exported_symbol_offsets[i] = blhe->u.def.value;
/* Warning: the callback needs to be passed NAME directly. */
if (import_hash)
{
- if (bfd_hash_lookup (import_hash, sym->name, FALSE, FALSE))
+ if (bfd_hash_lookup (import_hash, sym->name, false, false))
{
strcpy (name, sym->name);
cb (relocs[i], s, name, symname);
if (sym && sym->type == bfd_link_hash_defined)
{
if (import_hash)
- bfd_hash_lookup (import_hash, undef->root.string, TRUE, FALSE);
+ bfd_hash_lookup (import_hash, undef->root.string, true, false);
else
{
bfd *b = sym->u.def.section->owner;
if (link_info.pei386_auto_import == -1)
{
- static bfd_boolean warned = FALSE;
+ static bool warned = false;
info_msg (_("Info: resolving %s by linking to %s "
"(auto-import)\n"), name, impname);
"command line; this should work unless it "
"involves constant data structures referencing "
"symbols from auto-imported DLLs\n"));
- warned = TRUE;
+ warned = true;
}
}
}
bfd *b;
struct bfd_section *s;
- if (reloc_s == NULL)
+ if (reloc_s == NULL || reloc_s->output_section == bfd_abs_section_ptr)
return;
total_relocs = 0;
for (b = info->input_bfds; b; b = b->link.next)
&& relocs[i]->howto->type != pe_details->imagebase_reloc)
{
struct bfd_symbol *sym = *relocs[i]->sym_ptr_ptr;
+ const struct bfd_link_hash_entry *blhe
+ = bfd_wrapped_link_hash_lookup (abfd, info, sym->name,
+ false, false, false);
/* Don't create relocs for undefined weak symbols. */
if (sym->flags == BSF_WEAK)
{
- struct bfd_link_hash_entry *blhe
- = bfd_wrapped_link_hash_lookup (abfd, info, sym->name,
- FALSE, FALSE, FALSE);
if (blhe && blhe->type == bfd_link_hash_undefweak)
{
/* Check aux sym and see if it is defined or not. */
if (!strcmp (s->name, ".eh_frame"))
continue;
}
+ /* Nor for absolute symbols. */
+ else if (blhe && ldexp_is_final_sym_absolute (blhe)
+ && (!blhe->linker_def
+ || (strcmp (sym->name, "__image_base__")
+ && strcmp (sym->name, U ("__ImageBase")))))
+ continue;
reloc_data[total_relocs].vma = sec_vma + relocs[i]->address;
reloc_data[total_relocs].idx = total_relocs;
+ /* Since we're only about to determine .reloc's size,
+ subsequent output section VMA calculations will shift up
+ sections at this or higher addresses. Relocations for
+ such sections would hence end up not being correct. */
+ if (reloc_data[total_relocs].vma
+ >= reloc_s->output_section->vma)
+ einfo (_("%P: base relocation for section `%s' above "
+ ".reloc section\n"), s->output_section->name);
+
#define BITS_AND_SHIFT(bits, shift) (bits * 1000 | shift)
switch BITS_AND_SHIFT (relocs[i]->howto->bitsize,
if (page_ptr != (bfd_vma) -1)
bfd_put_32 (abfd, reloc_sz - page_ptr, reloc_d + page_ptr + 4);
-
- while (reloc_sz < reloc_s->size)
- reloc_d[reloc_sz++] = 0;
}
/* Given the exiting def_file structure, print out a .DEF file that
static int tmp_seq;
static const char *dll_filename;
static char *dll_symname;
+static int dll_symname_len;
#define UNDSEC bfd_und_section_ptr
char *oname;
bfd *abfd;
- oname = xmalloc (20);
- sprintf (oname, "d%06d.o", tmp_seq);
+ oname = xmalloc (20 + dll_symname_len);
+ sprintf (oname, "%s_d%06d.o", dll_symname, tmp_seq);
tmp_seq++;
abfd = bfd_create (oname, parent);
char *oname;
bfd *abfd;
- oname = xmalloc (20);
- sprintf (oname, "d%06d.o", tmp_seq);
+ oname = xmalloc (20 + dll_symname_len);
+ sprintf (oname, "%s_d%06d.o", dll_symname, tmp_seq);
tmp_seq++;
abfd = bfd_create (oname, parent);
static bfd *
-make_one (def_file_export *exp, bfd *parent, bfd_boolean include_jmp_stub)
+make_one (def_file_export *exp, bfd *parent, bool include_jmp_stub)
{
asection *tx, *id7, *id5, *id4, *id6;
unsigned char *td = NULL, *d7, *d5, *d4, *d6 = NULL;
}
}
- oname = xmalloc (20);
- sprintf (oname, "d%06d.o", tmp_seq);
+ oname = xmalloc (20 + dll_symname_len);
+ sprintf (oname, "%s_d%06d.o", dll_symname, tmp_seq);
tmp_seq++;
abfd = bfd_create (oname, parent);
char *oname;
bfd *abfd;
- oname = xmalloc (20);
- sprintf (oname, "nmth%06d.o", tmp_seq);
+ oname = xmalloc (20 + dll_symname_len);
+ sprintf (oname, "%s_nmth%06d.o", dll_symname, tmp_seq);
tmp_seq++;
abfd = bfd_create (oname, parent);
bh = NULL;
bfd_coff_link_add_one_symbol (&link_info, abfd, fixup_name, BSF_GLOBAL,
current_sec, /* sym->section, */
- rel->address, NULL, TRUE, FALSE, &bh);
+ rel->address, NULL, true, false, &bh);
return bh->root.string;
}
char *oname;
bfd *abfd;
- oname = xmalloc (20);
- sprintf (oname, "fu%06d.o", tmp_seq);
+ oname = xmalloc (20 + dll_symname_len);
+ sprintf (oname, "%s_fu%06d.o", dll_symname, tmp_seq);
tmp_seq++;
abfd = bfd_create (oname, parent);
bfd *abfd;
bfd_size_type size;
- oname = xmalloc (20);
- sprintf (oname, "rtr%06d.o", tmp_seq);
+ oname = xmalloc (20 + dll_symname_len);
+ sprintf (oname, "%s_rtr%06d.o", dll_symname, tmp_seq);
tmp_seq++;
abfd = bfd_create (oname, parent);
if (!runtime_pseudp_reloc_v2_init)
{
size += 12;
- runtime_pseudp_reloc_v2_init = TRUE;
+ runtime_pseudp_reloc_v2_init = true;
}
quick_symbol (abfd, "__imp_", name, "", UNDSEC, BSF_GLOBAL, 0);
char *oname;
bfd *abfd;
- oname = xmalloc (20);
- sprintf (oname, "ertr%06d.o", tmp_seq);
+ oname = xmalloc (20 + dll_symname_len);
+ sprintf (oname, "%s_ertr%06d.o", dll_symname, tmp_seq);
tmp_seq++;
abfd = bfd_create (oname, parent);
add_bfd_to_link (b, bfd_get_filename (b), &link_info);
/* If we ever use autoimport, we have to cast text section writable. */
- config.text_read_only = FALSE;
+ config.text_read_only = false;
link_info.output_bfd->flags &= ~WP_TEXT;
}
dll_filename = (def->name) ? def->name : dll_name;
dll_symname = xstrdup (dll_filename);
+ dll_symname_len = strlen (dll_symname);
for (i = 0; dll_symname[i]; i++)
if (!ISALNUM (dll_symname[i]))
dll_symname[i] = '_';
struct coff_link_hash_entry *h;
h = coff_link_hash_lookup (coff_hash_table (info), internal,
- FALSE, FALSE, FALSE);
+ false, false, false);
if (h != NULL
/* If the symbol is hidden and undefined then it
has been swept up by garbage collection. */
sprintf (name, "_%s", internal);
h = coff_link_hash_lookup (coff_hash_table (info), name,
- FALSE, FALSE, FALSE);
+ false, false, false);
free (name);
if (h != NULL
if (kv)
{
- h = bfd_link_hash_lookup (linfo->hash, kv->oname, FALSE, FALSE, FALSE);
+ h = bfd_link_hash_lookup (linfo->hash, kv->oname, false, false, false);
if (h->type == bfd_link_hash_undefined)
goto return_h;
}
if (pe_details->underscored)
lname[0] = '_';
else
- strcpy (lname, lname + 1);
+ /* Use memmove rather than strcpy as that
+ can handle overlapping buffers. */
+ memmove (lname, lname + 1, strlen (lname));
key.key = lname;
kv = bsearch (&key, udef_table, undef_count,
sizeof (struct key_value), undef_sort_cmp);
if (kv)
{
- h = bfd_link_hash_lookup (linfo->hash, kv->oname, FALSE, FALSE, FALSE);
+ h = bfd_link_hash_lookup (linfo->hash, kv->oname, false, false, false);
if (h->type == bfd_link_hash_undefined)
goto return_h;
}
sizeof (struct key_value), undef_sort_cmp);
if (kv)
{
- h = bfd_link_hash_lookup (linfo->hash, kv->oname, FALSE, FALSE, FALSE);
+ h = bfd_link_hash_lookup (linfo->hash, kv->oname, false, false, false);
if (h->type == bfd_link_hash_undefined)
goto return_h;
}
if (kv)
{
- h = bfd_link_hash_lookup (linfo->hash, kv->oname, FALSE, FALSE, FALSE);
+ h = bfd_link_hash_lookup (linfo->hash, kv->oname, false, false, false);
if (h->type == bfd_link_hash_undefined)
goto return_h;
}
if (kv)
{
- h = bfd_link_hash_lookup (linfo->hash, kv->oname, FALSE, FALSE, FALSE);
+ h = bfd_link_hash_lookup (linfo->hash, kv->oname, false, false, false);
if (h->type == bfd_link_hash_undefined)
goto return_h;
}
return h;
}
-static bfd_boolean
+static bool
pe_undef_count (struct bfd_link_hash_entry *h ATTRIBUTE_UNUSED,
void *inf ATTRIBUTE_UNUSED)
{
if (h->type == bfd_link_hash_undefined)
undef_count++;
- return TRUE;
+ return true;
}
-static bfd_boolean
+static bool
pe_undef_fill (struct bfd_link_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
{
if (h->type == bfd_link_hash_undefined)
udef_table[undef_count].oname = h->root.string;
undef_count++;
}
- return TRUE;
+ return true;
}
static void
dll_filename = module->name;
dll_symname = xstrdup (module->name);
+ dll_symname_len = strlen (dll_symname);
for (j = 0; dll_symname[j]; j++)
if (!ISALNUM (dll_symname[j]))
dll_symname[j] = '_';
/* See if we need this import. */
size_t len = strlen (imp[i].internal_name);
char *name = xmalloc (len + 2 + 6);
- bfd_boolean include_jmp_stub = FALSE;
- bfd_boolean is_cdecl = FALSE;
- bfd_boolean is_undef = FALSE;
+ bool include_jmp_stub = false;
+ bool is_cdecl = false;
+ bool is_undef = false;
if (!lead_at && strchr (imp[i].internal_name, '@') == NULL)
- is_cdecl = TRUE;
+ is_cdecl = true;
if (lead_at)
sprintf (name, "%s", imp[i].internal_name);
sprintf (name, "%s%s",U (""), imp[i].internal_name);
blhe = bfd_link_hash_lookup (linfo->hash, name,
- FALSE, FALSE, FALSE);
+ false, false, false);
/* Include the jump stub for <sym> only if the <sym>
is undefined. */
imp[i].internal_name);
blhe = bfd_link_hash_lookup (linfo->hash, name,
- FALSE, FALSE, FALSE);
+ false, false, false);
if (blhe)
is_undef = (blhe->type == bfd_link_hash_undefined);
}
else
{
- include_jmp_stub = TRUE;
+ include_jmp_stub = true;
is_undef = (blhe->type == bfd_link_hash_undefined);
}
{
sprintf (name, "%s%s",U (""), imp[i].internal_name);
blhe = pe_find_cdecl_alias_match (linfo, name);
- include_jmp_stub = TRUE;
+ include_jmp_stub = true;
if (blhe)
is_undef = (blhe->type == bfd_link_hash_undefined);
}
return b[0] + (b[1] << 8) + (b[2] << 16) + ((unsigned) b[3] << 24);
}
-bfd_boolean
+bool
pe_implied_import_dll (const char *filename)
{
bfd *dll;
if (!dll)
{
einfo (_("%X%P: open %s: %E\n"), filename);
- return FALSE;
+ return false;
}
track_dependency_files (filename);
if (!bfd_check_format (dll, bfd_object))
{
einfo (_("%X%P: %s: this doesn't appear to be a DLL\n"), filename);
- return FALSE;
+ return false;
}
/* Get pe_header, optional header and numbers of directory entries. */
/* No import or export directory entry. */
if (num_entries < 1)
- return FALSE;
+ return false;
#ifdef pe_use_x86_64
export_rva = pe_get32 (dll, opthdr_ofs + 96 + 4 * 4);
/* No export table - nothing to export. */
if (export_size == 0)
- return FALSE;
+ return false;
nsections = pe_get16 (dll, pe_header_offset + 4 + 2);
secptr = (pe_header_offset + 4 + 20 +
{
if (pe_dll_extra_pe_debug)
printf ("%s is already loaded\n", dllname);
- return TRUE;
+ return true;
}
/* This is an optimized version of the insertion loop, which avoids lots of
(unsigned long) func_rva, is_data ? "(data)" : "");
}
- return TRUE;
+ return true;
}
/* Iterate through the list of symbols. */
/* Skip unwanted symbols, which are
exported in buggy auto-import releases. */
- if (! CONST_STRNEQ (erva + name_rva, "__nm_"))
+ if (! startswith (erva + name_rva, "__nm_"))
{
int is_dup = 0;
/* is_data is true if the address is in the data, rdata or bss
}
}
- return TRUE;
+ return true;
}
void
/* Resize the sections. */
lang_reset_memory_regions ();
- lang_size_sections (NULL, TRUE);
+ lang_size_sections (NULL, true);
/* Redo special stuff. */
ldemul_after_allocation ();
reloc_s->contents = reloc_d;
}
-bfd_boolean
+bool
pe_bfd_is_dll (bfd *abfd)
{
return (bfd_get_format (abfd) == bfd_object
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