/* Support for the generic parts of PE/PEI, for BFD.
- Copyright (C) 1995-2019 Free Software Foundation, Inc.
+ Copyright (C) 1995-2021 Free Software Foundation, Inc.
Written by Cygnus Solutions.
This file is part of BFD, the Binary File Descriptor library.
#include "libpei.h"
-static bfd_boolean (*pe_saved_coff_bfd_print_private_bfd_data) (bfd *, void *) =
+static bool (*pe_saved_coff_bfd_print_private_bfd_data) (bfd *, void *) =
#ifndef coff_bfd_print_private_bfd_data
NULL;
#else
#undef coff_bfd_print_private_bfd_data
#endif
-static bfd_boolean pe_print_private_bfd_data (bfd *, void *);
+static bool pe_print_private_bfd_data (bfd *, void *);
#define coff_bfd_print_private_bfd_data pe_print_private_bfd_data
-static bfd_boolean (*pe_saved_coff_bfd_copy_private_bfd_data) (bfd *, bfd *) =
+static bool (*pe_saved_coff_bfd_copy_private_bfd_data) (bfd *, bfd *) =
#ifndef coff_bfd_copy_private_bfd_data
NULL;
#else
#undef coff_bfd_copy_private_bfd_data
#endif
-static bfd_boolean pe_bfd_copy_private_bfd_data (bfd *, bfd *);
+static bool pe_bfd_copy_private_bfd_data (bfd *, bfd *);
#define coff_bfd_copy_private_bfd_data pe_bfd_copy_private_bfd_data
#define coff_mkobject pe_mkobject
pe_ILF_vars;
#endif /* COFF_IMAGE_WITH_PE */
-const bfd_target *coff_real_object_p
+bfd_cleanup coff_real_object_p
(bfd *, unsigned, struct internal_filehdr *, struct internal_aouthdr *);
\f
#ifndef NO_COFF_RELOCS
#endif
}
-static bfd_boolean
+static bool
pe_mkobject (bfd * abfd)
{
pe_data_type *pe;
- bfd_size_type amt = sizeof (pe_data_type);
+ size_t amt = sizeof (pe_data_type);
abfd->tdata.pe_obj_data = (struct pe_tdata *) bfd_zalloc (abfd, amt);
if (abfd->tdata.pe_obj_data == 0)
- return FALSE;
+ return false;
pe = pe_data (abfd);
/* in_reloc_p is architecture dependent. */
pe->in_reloc_p = in_reloc_p;
+ /* Default DOS message string. */
+ pe->dos_message[0] = 0x0eba1f0e;
+ pe->dos_message[1] = 0xcd09b400;
+ pe->dos_message[2] = 0x4c01b821;
+ pe->dos_message[3] = 0x685421cd;
+ pe->dos_message[4] = 0x70207369;
+ pe->dos_message[5] = 0x72676f72;
+ pe->dos_message[6] = 0x63206d61;
+ pe->dos_message[7] = 0x6f6e6e61;
+ pe->dos_message[8] = 0x65622074;
+ pe->dos_message[9] = 0x6e757220;
+ pe->dos_message[10] = 0x206e6920;
+ pe->dos_message[11] = 0x20534f44;
+ pe->dos_message[12] = 0x65646f6d;
+ pe->dos_message[13] = 0x0a0d0d2e;
+ pe->dos_message[14] = 0x24;
+ pe->dos_message[15] = 0x0;
+
memset (& pe->pe_opthdr, 0, sizeof pe->pe_opthdr);
- return TRUE;
+ return true;
}
/* Create the COFF backend specific information. */
coff_data (abfd) ->flags = 0;
#endif
+ memcpy (pe->dos_message, internal_f->pe.dos_message,
+ sizeof (pe->dos_message));
+
return (void *) pe;
}
-static bfd_boolean
+static bool
pe_print_private_bfd_data (bfd *abfd, void * vfile)
{
FILE *file = (FILE *) vfile;
if (!_bfd_XX_print_private_bfd_data_common (abfd, vfile))
- return FALSE;
+ return false;
if (pe_saved_coff_bfd_print_private_bfd_data == NULL)
- return TRUE;
+ return true;
fputc ('\n', file);
/* Copy any private info we understand from the input bfd
to the output bfd. */
-static bfd_boolean
+static bool
pe_bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
{
/* PR binutils/716: Copy the large address aware flag.
pe_data (obfd)->real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
if (!_bfd_XX_bfd_copy_private_bfd_data_common (ibfd, obfd))
- return FALSE;
+ return false;
if (pe_saved_coff_bfd_copy_private_bfd_data)
return pe_saved_coff_bfd_copy_private_bfd_data (ibfd, obfd);
- return TRUE;
+ return true;
}
#define coff_bfd_copy_private_section_data \
abort ();
coff_section_data (vars->abfd, sec)->relocs = vars->int_reltab;
- coff_section_data (vars->abfd, sec)->keep_relocs = TRUE;
+ coff_section_data (vars->abfd, sec)->keep_relocs = true;
sec->relocation = vars->reltab;
sec->reloc_count = vars->relcount;
ent->u.syment.n_sclass = sclass;
ent->u.syment.n_scnum = section->target_index;
ent->u.syment._n._n_n._n_offset = (bfd_hostptr_t) sym;
- ent->is_sym = TRUE;
+ ent->is_sym = true;
sym->symbol.the_bfd = vars->abfd;
sym->symbol.name = vars->string_ptr;
{
asection_ptr sec;
flagword flags;
+ intptr_t alignment;
sec = bfd_make_section_old_way (vars->abfd, name);
if (sec == NULL)
if (size & 1)
vars->data --;
-# if (GCC_VERSION >= 3000)
/* PR 18758: See note in pe_ILF_buid_a_bfd. We must make sure that we
- preserve host alignment requirements. We test 'size' rather than
- vars.data as we cannot perform binary arithmetic on pointers. We assume
- that vars.data was sufficiently aligned upon entry to this function.
- The BFD_ASSERTs in this functions will warn us if we run out of room,
- but we should already have enough padding built in to ILF_DATA_SIZE. */
- {
- unsigned int alignment = __alignof__ (struct coff_section_tdata);
-
- if (size & (alignment - 1))
- vars->data += alignment - (size & (alignment - 1));
- }
+ preserve host alignment requirements. The BFD_ASSERTs in this
+ functions will warn us if we run out of room, but we should
+ already have enough padding built in to ILF_DATA_SIZE. */
+#if GCC_VERSION >= 3000
+ alignment = __alignof__ (struct coff_section_tdata);
+#else
+ alignment = 8;
#endif
+ vars->data
+ = (bfd_byte *) (((intptr_t) vars->data + alignment - 1) & -alignment);
+
/* Create a coff_section_tdata structure for our use. */
sec->used_by_bfd = (struct coff_section_tdata *) vars->data;
vars->data += sizeof (struct coff_section_tdata);
}
jump_table;
-static jump_table jtab[] =
+static const jump_table jtab[] =
{
#ifdef I386MAGIC
{ I386MAGIC,
/* Build a full BFD from the information supplied in a ILF object. */
-static bfd_boolean
+static bool
pe_ILF_build_a_bfd (bfd * abfd,
unsigned int magic,
char * symbol_name,
asection_ptr id4, id5, id6 = NULL, text = NULL;
coff_symbol_type ** imp_sym;
unsigned int imp_index;
+ intptr_t alignment;
/* Decode and verify the types field of the ILF structure. */
import_type = types & 0x3;
/* xgettext:c-format */
_bfd_error_handler (_("%pB: unhandled import type; %x"),
abfd, import_type);
- return FALSE;
+ return false;
default:
/* xgettext:c-format */
_bfd_error_handler (_("%pB: unrecognized import type; %x"),
abfd, import_type);
- return FALSE;
+ return false;
}
switch (import_name_type)
/* xgettext:c-format */
_bfd_error_handler (_("%pB: unrecognized import name type; %x"),
abfd, import_name_type);
- return FALSE;
+ return false;
}
/* Initialise local variables.
vars.bim
= (struct bfd_in_memory *) bfd_malloc ((bfd_size_type) sizeof (*vars.bim));
if (vars.bim == NULL)
- return FALSE;
+ return false;
ptr = (bfd_byte *) bfd_zmalloc ((bfd_size_type) ILF_DATA_SIZE);
vars.bim->buffer = ptr;
/* The remaining space in bim->buffer is used
by the pe_ILF_make_a_section() function. */
-# if (GCC_VERSION >= 3000)
+
/* PR 18758: Make sure that the data area is sufficiently aligned for
- pointers on the host. __alignof__ is a gcc extension, hence the test
- above. For other compilers we will have to assume that the alignment is
- unimportant, or else extra code can be added here and in
- pe_ILF_make_a_section.
-
- Note - we cannot test 'ptr' directly as it is illegal to perform binary
- arithmetic on pointers, but we know that the strings section is the only
- one that might end on an unaligned boundary. */
- {
- unsigned int alignment = __alignof__ (char *);
-
- if (SIZEOF_ILF_STRINGS & (alignment - 1))
- ptr += alignment - (SIZEOF_ILF_STRINGS & (alignment - 1));
- }
+ struct coff_section_tdata. __alignof__ is a gcc extension, hence
+ the test of GCC_VERSION. For other compilers we assume 8 byte
+ alignment. */
+#if GCC_VERSION >= 3000
+ alignment = __alignof__ (struct coff_section_tdata);
+#else
+ alignment = 8;
#endif
+ ptr = (bfd_byte *) (((intptr_t) ptr + alignment - 1) & -alignment);
vars.data = ptr;
vars.abfd = abfd;
obj_raw_syment_count (abfd) = vars.sym_index;
obj_coff_external_syms (abfd) = (void *) vars.esym_table;
- obj_coff_keep_syms (abfd) = TRUE;
+ obj_coff_keep_syms (abfd) = true;
obj_convert (abfd) = vars.sym_table;
obj_conv_table_size (abfd) = vars.sym_index;
obj_coff_strings (abfd) = vars.string_table;
- obj_coff_keep_strings (abfd) = TRUE;
+ obj_coff_keep_strings (abfd) = true;
abfd->flags |= HAS_SYMS;
- return TRUE;
+ return true;
error_return:
- if (vars.bim->buffer != NULL)
- free (vars.bim->buffer);
+ free (vars.bim->buffer);
free (vars.bim);
- return FALSE;
+ return false;
}
/* We have detected a Image Library Format archive element.
Decode the element and return the appropriate target. */
-static const bfd_target *
+static bfd_cleanup
pe_ILF_object_p (bfd * abfd)
{
bfd_byte buffer[14];
/* ptr += 2; */
/* Now read in the two strings that follow. */
- ptr = (bfd_byte *) bfd_alloc (abfd, size);
+ ptr = (bfd_byte *) _bfd_alloc_and_read (abfd, size, size);
if (ptr == NULL)
return NULL;
- if (bfd_bread (ptr, size, abfd) != size)
- {
- bfd_release (abfd, ptr);
- return NULL;
- }
-
symbol_name = (char *) ptr;
/* See PR 20905 for an example of where the strnlen is necessary. */
source_dll = symbol_name + strnlen (symbol_name, size - 1) + 1;
return NULL;
}
- return abfd->xvec;
+ return _bfd_no_cleanup;
}
static void
/* Read the whole section. */
if (!bfd_malloc_and_get_section (abfd, section, &data))
{
- if (data != NULL)
- free (data);
+ free (data);
return;
}
break;
}
}
+
+ free (data);
}
-static const bfd_target *
+static bfd_cleanup
pe_bfd_object_p (bfd * abfd)
{
bfd_byte buffer[6];
struct external_PEI_IMAGE_hdr image_hdr;
struct internal_filehdr internal_f;
struct internal_aouthdr internal_a;
- file_ptr opt_hdr_size;
+ bfd_size_type opt_hdr_size;
file_ptr offset;
- const bfd_target *result;
+ bfd_cleanup result;
/* Detect if this a Microsoft Import Library Format element. */
/* First read the beginning of the header. */
return NULL;
}
+ memcpy (internal_f.pe.dos_message, dos_hdr.dos_message,
+ sizeof (internal_f.pe.dos_message));
+
/* Read the optional header, which has variable size. */
opt_hdr_size = internal_f.f_opthdr;
if (amt < sizeof (PEAOUTHDR))
amt = sizeof (PEAOUTHDR);
- opthdr = bfd_zalloc (abfd, amt);
+ opthdr = _bfd_alloc_and_read (abfd, amt, opt_hdr_size);
if (opthdr == NULL)
return NULL;
- if (bfd_bread (opthdr, opt_hdr_size, abfd)
- != (bfd_size_type) opt_hdr_size)
- return NULL;
+ if (amt > opt_hdr_size)
+ memset (opthdr + opt_hdr_size, 0, amt - opt_hdr_size);
bfd_set_error (bfd_error_no_error);
bfd_coff_swap_aouthdr_in (abfd, opthdr, & internal_a);
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