/* Support for the generic parts of PE/PEI, for BFD.
- Copyright 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1995-2020 Free Software Foundation, Inc.
Written by Cygnus Solutions.
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-/*
-Most of this hacked by Steve Chamberlain,
+
+/* Most of this hacked by Steve Chamberlain,
sac@cygnus.com
-PE/PEI rearrangement (and code added): Donn Terry
- Softway Systems, Inc.
-*/
+ PE/PEI rearrangement (and code added): Donn Terry
+ Softway Systems, Inc. */
/* Hey look, some documentation [and in a place you expect to find it]!
FIXME: Please add more docs here so the next poor fool that has to hack
on this code has a chance of getting something accomplished without
- wasting too much time.
-*/
+ wasting too much time. */
#include "libpei.h"
-static boolean (*pe_saved_coff_bfd_print_private_bfd_data)
- PARAMS ((bfd *, PTR)) =
+static bfd_boolean (*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 boolean pe_print_private_bfd_data PARAMS ((bfd *, PTR));
+static bfd_boolean pe_print_private_bfd_data (bfd *, void *);
#define coff_bfd_print_private_bfd_data pe_print_private_bfd_data
-
-static boolean (*pe_saved_coff_bfd_copy_private_bfd_data)
- PARAMS ((bfd *, bfd *)) =
+static bfd_boolean (*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 boolean pe_bfd_copy_private_bfd_data PARAMS ((bfd *, bfd *));
+static bfd_boolean 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
+#define coff_mkobject pe_mkobject
#define coff_mkobject_hook pe_mkobject_hook
-static void coff_swap_reloc_in PARAMS ((bfd *, PTR, PTR));
-static unsigned int coff_swap_reloc_out PARAMS ((bfd *, PTR, PTR));
-static void coff_swap_filehdr_in PARAMS ((bfd *, PTR, PTR));
-static void coff_swap_scnhdr_in PARAMS ((bfd *, PTR, PTR));
-static boolean pe_mkobject PARAMS ((bfd *));
-static PTR pe_mkobject_hook PARAMS ((bfd *, PTR, PTR));
+#ifdef COFF_IMAGE_WITH_PE
+/* This structure contains static variables used by the ILF code. */
+typedef asection * asection_ptr;
+
+typedef struct
+{
+ bfd * abfd;
+ bfd_byte * data;
+ struct bfd_in_memory * bim;
+ unsigned short magic;
+
+ arelent * reltab;
+ unsigned int relcount;
+
+ coff_symbol_type * sym_cache;
+ coff_symbol_type * sym_ptr;
+ unsigned int sym_index;
+
+ unsigned int * sym_table;
+ unsigned int * table_ptr;
+
+ combined_entry_type * native_syms;
+ combined_entry_type * native_ptr;
+
+ coff_symbol_type ** sym_ptr_table;
+ coff_symbol_type ** sym_ptr_ptr;
-/**********************************************************************/
+ unsigned int sec_index;
+ char * string_table;
+ char * string_ptr;
+ char * end_string_ptr;
+
+ SYMENT * esym_table;
+ SYMENT * esym_ptr;
+
+ struct internal_reloc * int_reltab;
+}
+pe_ILF_vars;
+#endif /* COFF_IMAGE_WITH_PE */
+
+bfd_cleanup coff_real_object_p
+ (bfd *, unsigned, struct internal_filehdr *, struct internal_aouthdr *);
+\f
+#ifndef NO_COFF_RELOCS
static void
-coff_swap_reloc_in (abfd, src, dst)
- bfd *abfd;
- PTR src;
- PTR dst;
+coff_swap_reloc_in (bfd * abfd, void * src, void * dst)
{
RELOC *reloc_src = (RELOC *) src;
struct internal_reloc *reloc_dst = (struct internal_reloc *) dst;
- reloc_dst->r_vaddr = bfd_h_get_32(abfd, (bfd_byte *)reloc_src->r_vaddr);
- reloc_dst->r_symndx = bfd_h_get_signed_32(abfd, (bfd_byte *) reloc_src->r_symndx);
-
- reloc_dst->r_type = bfd_h_get_16(abfd, (bfd_byte *) reloc_src->r_type);
-
+ reloc_dst->r_vaddr = H_GET_32 (abfd, reloc_src->r_vaddr);
+ reloc_dst->r_symndx = H_GET_S32 (abfd, reloc_src->r_symndx);
+ reloc_dst->r_type = H_GET_16 (abfd, reloc_src->r_type);
#ifdef SWAP_IN_RELOC_OFFSET
- reloc_dst->r_offset = SWAP_IN_RELOC_OFFSET(abfd,
- (bfd_byte *) reloc_src->r_offset);
+ reloc_dst->r_offset = SWAP_IN_RELOC_OFFSET (abfd, reloc_src->r_offset);
#endif
}
-
static unsigned int
-coff_swap_reloc_out (abfd, src, dst)
- bfd *abfd;
- PTR src;
- PTR dst;
+coff_swap_reloc_out (bfd * abfd, void * src, void * dst)
{
- struct internal_reloc *reloc_src = (struct internal_reloc *)src;
- struct external_reloc *reloc_dst = (struct external_reloc *)dst;
- bfd_h_put_32(abfd, reloc_src->r_vaddr, (bfd_byte *) reloc_dst->r_vaddr);
- bfd_h_put_32(abfd, reloc_src->r_symndx, (bfd_byte *) reloc_dst->r_symndx);
+ struct internal_reloc *reloc_src = (struct internal_reloc *) src;
+ struct external_reloc *reloc_dst = (struct external_reloc *) dst;
- bfd_h_put_16(abfd, reloc_src->r_type, (bfd_byte *)
- reloc_dst->r_type);
+ H_PUT_32 (abfd, reloc_src->r_vaddr, reloc_dst->r_vaddr);
+ H_PUT_32 (abfd, reloc_src->r_symndx, reloc_dst->r_symndx);
+ H_PUT_16 (abfd, reloc_src->r_type, reloc_dst->r_type);
#ifdef SWAP_OUT_RELOC_OFFSET
- SWAP_OUT_RELOC_OFFSET(abfd,
- reloc_src->r_offset,
- (bfd_byte *) reloc_dst->r_offset);
+ SWAP_OUT_RELOC_OFFSET (abfd, reloc_src->r_offset, reloc_dst->r_offset);
#endif
#ifdef SWAP_OUT_RELOC_EXTRA
- SWAP_OUT_RELOC_EXTRA(abfd,reloc_src, reloc_dst);
+ SWAP_OUT_RELOC_EXTRA (abfd, reloc_src, reloc_dst);
#endif
return RELSZ;
}
+#endif /* not NO_COFF_RELOCS */
+#ifdef COFF_IMAGE_WITH_PE
+#undef FILHDR
+#define FILHDR struct external_PEI_IMAGE_hdr
+#endif
static void
-coff_swap_filehdr_in (abfd, src, dst)
- bfd *abfd;
- PTR src;
- PTR dst;
+coff_swap_filehdr_in (bfd * abfd, void * src, void * dst)
{
FILHDR *filehdr_src = (FILHDR *) src;
struct internal_filehdr *filehdr_dst = (struct internal_filehdr *) dst;
- filehdr_dst->f_magic = bfd_h_get_16(abfd, (bfd_byte *) filehdr_src->f_magic);
- filehdr_dst->f_nscns = bfd_h_get_16(abfd, (bfd_byte *)filehdr_src-> f_nscns);
- filehdr_dst->f_timdat = bfd_h_get_32(abfd, (bfd_byte *)filehdr_src-> f_timdat);
- filehdr_dst->f_nsyms = bfd_h_get_32(abfd, (bfd_byte *)filehdr_src-> f_nsyms);
- filehdr_dst->f_flags = bfd_h_get_16(abfd, (bfd_byte *)filehdr_src-> f_flags);
- filehdr_dst->f_symptr = bfd_h_get_32 (abfd, (bfd_byte *) filehdr_src->f_symptr);
-
-#ifdef COFF_IMAGE_WITH_PE
- /* There are really two magic numbers involved; the magic number
- that says this is a NT executable (PEI) and the magic number that
- determines the architecture. The former is DOSMAGIC, stored in
- the e_magic field. The latter is stored in the f_magic field.
- If the NT magic number isn't valid, the architecture magic number
- could be mimicked by some other field (specifically, the number
- of relocs in section 3). Since this routine can only be called
- correctly for a PEI file, check the e_magic number here, and, if
- it doesn't match, clobber the f_magic number so that we don't get
- a false match. */
- if (bfd_h_get_16 (abfd, (bfd_byte *) filehdr_src->e_magic) != DOSMAGIC)
- filehdr_dst->f_magic = -1;
-#endif
+ filehdr_dst->f_magic = H_GET_16 (abfd, filehdr_src->f_magic);
+ filehdr_dst->f_nscns = H_GET_16 (abfd, filehdr_src->f_nscns);
+ filehdr_dst->f_timdat = H_GET_32 (abfd, filehdr_src->f_timdat);
+ filehdr_dst->f_nsyms = H_GET_32 (abfd, filehdr_src->f_nsyms);
+ filehdr_dst->f_flags = H_GET_16 (abfd, filehdr_src->f_flags);
+ filehdr_dst->f_symptr = H_GET_32 (abfd, filehdr_src->f_symptr);
/* Other people's tools sometimes generate headers with an nsyms but
a zero symptr. */
filehdr_dst->f_flags |= F_LSYMS;
}
- filehdr_dst->f_opthdr = bfd_h_get_16(abfd,
- (bfd_byte *)filehdr_src-> f_opthdr);
+ filehdr_dst->f_opthdr = H_GET_16 (abfd, filehdr_src-> f_opthdr);
}
#ifdef COFF_IMAGE_WITH_PE
-#define coff_swap_filehdr_out _bfd_pei_only_swap_filehdr_out
+# define coff_swap_filehdr_out _bfd_XXi_only_swap_filehdr_out
+#elif defined COFF_WITH_pex64
+# define coff_swap_filehdr_out _bfd_pex64_only_swap_filehdr_out
+#elif defined COFF_WITH_pep
+# define coff_swap_filehdr_out _bfd_pep_only_swap_filehdr_out
#else
-#define coff_swap_filehdr_out _bfd_pe_only_swap_filehdr_out
+# define coff_swap_filehdr_out _bfd_pe_only_swap_filehdr_out
#endif
-
static void
-coff_swap_scnhdr_in (abfd, ext, in)
- bfd *abfd;
- PTR ext;
- PTR in;
+coff_swap_scnhdr_in (bfd * abfd, void * ext, void * in)
{
SCNHDR *scnhdr_ext = (SCNHDR *) ext;
struct internal_scnhdr *scnhdr_int = (struct internal_scnhdr *) in;
- memcpy(scnhdr_int->s_name, scnhdr_ext->s_name, sizeof(scnhdr_int->s_name));
- scnhdr_int->s_vaddr =
- GET_SCNHDR_VADDR (abfd, (bfd_byte *) scnhdr_ext->s_vaddr);
- scnhdr_int->s_paddr =
- GET_SCNHDR_PADDR (abfd, (bfd_byte *) scnhdr_ext->s_paddr);
- scnhdr_int->s_size =
- GET_SCNHDR_SIZE (abfd, (bfd_byte *) scnhdr_ext->s_size);
- scnhdr_int->s_scnptr =
- GET_SCNHDR_SCNPTR (abfd, (bfd_byte *) scnhdr_ext->s_scnptr);
- scnhdr_int->s_relptr =
- GET_SCNHDR_RELPTR (abfd, (bfd_byte *) scnhdr_ext->s_relptr);
- scnhdr_int->s_lnnoptr =
- GET_SCNHDR_LNNOPTR (abfd, (bfd_byte *) scnhdr_ext->s_lnnoptr);
- scnhdr_int->s_flags = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_flags);
+ memcpy (scnhdr_int->s_name, scnhdr_ext->s_name, sizeof (scnhdr_int->s_name));
+
+ scnhdr_int->s_vaddr = GET_SCNHDR_VADDR (abfd, scnhdr_ext->s_vaddr);
+ scnhdr_int->s_paddr = GET_SCNHDR_PADDR (abfd, scnhdr_ext->s_paddr);
+ scnhdr_int->s_size = GET_SCNHDR_SIZE (abfd, scnhdr_ext->s_size);
+ scnhdr_int->s_scnptr = GET_SCNHDR_SCNPTR (abfd, scnhdr_ext->s_scnptr);
+ scnhdr_int->s_relptr = GET_SCNHDR_RELPTR (abfd, scnhdr_ext->s_relptr);
+ scnhdr_int->s_lnnoptr = GET_SCNHDR_LNNOPTR (abfd, scnhdr_ext->s_lnnoptr);
+ scnhdr_int->s_flags = H_GET_32 (abfd, scnhdr_ext->s_flags);
/* MS handles overflow of line numbers by carrying into the reloc
field (it appears). Since it's supposed to be zero for PE
*IMAGE* format, that's safe. This is still a bit iffy. */
#ifdef COFF_IMAGE_WITH_PE
- scnhdr_int->s_nlnno =
- (bfd_h_get_16 (abfd, (bfd_byte *) scnhdr_ext->s_nlnno)
- + (bfd_h_get_16 (abfd, (bfd_byte *) scnhdr_ext->s_nreloc) << 16));
+ scnhdr_int->s_nlnno = (H_GET_16 (abfd, scnhdr_ext->s_nlnno)
+ + (H_GET_16 (abfd, scnhdr_ext->s_nreloc) << 16));
scnhdr_int->s_nreloc = 0;
#else
- scnhdr_int->s_nreloc = bfd_h_get_16 (abfd,
- (bfd_byte *) scnhdr_ext->s_nreloc);
- scnhdr_int->s_nlnno = bfd_h_get_16 (abfd,
- (bfd_byte *) scnhdr_ext->s_nlnno);
+ scnhdr_int->s_nreloc = H_GET_16 (abfd, scnhdr_ext->s_nreloc);
+ scnhdr_int->s_nlnno = H_GET_16 (abfd, scnhdr_ext->s_nlnno);
#endif
- if (scnhdr_int->s_vaddr != 0)
+ if (scnhdr_int->s_vaddr != 0)
{
scnhdr_int->s_vaddr += pe_data (abfd)->pe_opthdr.ImageBase;
+ /* Do not cut upper 32-bits for 64-bit vma. */
+#ifndef COFF_WITH_pex64
scnhdr_int->s_vaddr &= 0xffffffff;
+#endif
}
- /* If this section holds uninitialized data, use the virtual size
- (stored in s_paddr) instead of the physical size. */
- if ((scnhdr_int->s_flags & IMAGE_SCN_CNT_UNINITIALIZED_DATA) != 0)
- {
- scnhdr_int->s_size = scnhdr_int->s_paddr;
- /* This code used to set scnhdr_int->s_paddr to 0. However,
- coff_set_alignment_hook stores s_paddr in virt_size, which
- only works if it correctly holds the virtual size of the
- section. */
- }
+#ifndef COFF_NO_HACK_SCNHDR_SIZE
+ /* If this section holds uninitialized data and is from an object file
+ or from an executable image that has not initialized the field,
+ or if the image is an executable file and the physical size is padded,
+ use the virtual size (stored in s_paddr) instead. */
+ if (scnhdr_int->s_paddr > 0
+ && (((scnhdr_int->s_flags & IMAGE_SCN_CNT_UNINITIALIZED_DATA) != 0
+ && (! bfd_pei_p (abfd) || scnhdr_int->s_size == 0))
+ || (bfd_pei_p (abfd) && (scnhdr_int->s_size > scnhdr_int->s_paddr))))
+ /* This code used to set scnhdr_int->s_paddr to 0. However,
+ coff_set_alignment_hook stores s_paddr in virt_size, which
+ only works if it correctly holds the virtual size of the
+ section. */
+ scnhdr_int->s_size = scnhdr_int->s_paddr;
+#endif
}
-static boolean
-pe_mkobject (abfd)
- bfd * abfd;
+static bfd_boolean
+pe_mkobject (bfd * abfd)
{
pe_data_type *pe;
- abfd->tdata.pe_obj_data =
- (struct pe_tdata *) bfd_zalloc (abfd, 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;
- return true;
+
+ /* 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;
}
/* Create the COFF backend specific information. */
-static PTR
-pe_mkobject_hook (abfd, filehdr, aouthdr)
- bfd * abfd;
- PTR filehdr;
- PTR aouthdr ATTRIBUTE_UNUSED;
+
+static void *
+pe_mkobject_hook (bfd * abfd,
+ void * filehdr,
+ void * aouthdr ATTRIBUTE_UNUSED)
{
struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
pe_data_type *pe;
- if (pe_mkobject (abfd) == false)
+ if (! pe_mkobject (abfd))
return NULL;
pe = pe_data (abfd);
abfd->flags |= HAS_DEBUG;
#ifdef COFF_IMAGE_WITH_PE
- if (aouthdr)
- pe->pe_opthdr = ((struct internal_aouthdr *)aouthdr)->pe;
+ if (aouthdr)
+ pe->pe_opthdr = ((struct internal_aouthdr *) aouthdr)->pe;
#endif
-#ifdef ARM
+#ifdef ARM
if (! _bfd_coff_arm_set_private_flags (abfd, internal_f->f_flags))
coff_data (abfd) ->flags = 0;
#endif
-
- return (PTR) pe;
+
+ memcpy (pe->dos_message, internal_f->pe.dos_message,
+ sizeof (pe->dos_message));
+
+ return (void *) pe;
}
-static boolean
-pe_print_private_bfd_data (abfd, vfile)
- bfd *abfd;
- PTR vfile;
+static bfd_boolean
+pe_print_private_bfd_data (bfd *abfd, void * vfile)
{
FILE *file = (FILE *) vfile;
- if (!_bfd_pe_print_private_bfd_data_common (abfd, vfile))
- return false;
+ if (!_bfd_XX_print_private_bfd_data_common (abfd, vfile))
+ return FALSE;
- if (pe_saved_coff_bfd_print_private_bfd_data != NULL)
- {
- fputc ('\n', file);
+ if (pe_saved_coff_bfd_print_private_bfd_data == NULL)
+ return TRUE;
- return pe_saved_coff_bfd_print_private_bfd_data (abfd, vfile);
- }
+ fputc ('\n', file);
- return true;
+ return pe_saved_coff_bfd_print_private_bfd_data (abfd, vfile);
}
/* Copy any private info we understand from the input bfd
to the output bfd. */
-static boolean
-pe_bfd_copy_private_bfd_data (ibfd, obfd)
- bfd *ibfd, *obfd;
+static bfd_boolean
+pe_bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
{
- if (!_bfd_pe_bfd_copy_private_bfd_data_common (ibfd, obfd))
- return false;
+ /* PR binutils/716: Copy the large address aware flag.
+ XXX: Should we be copying other flags or other fields in the pe_data()
+ structure ? */
+ if (pe_data (obfd) != NULL
+ && pe_data (ibfd) != NULL
+ && pe_data (ibfd)->real_flags & IMAGE_FILE_LARGE_ADDRESS_AWARE)
+ pe_data (obfd)->real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
+
+ if (!_bfd_XX_bfd_copy_private_bfd_data_common (ibfd, obfd))
+ 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 \
- _bfd_pe_bfd_copy_private_section_data
+ _bfd_XX_bfd_copy_private_section_data
-#define coff_get_symbol_info _bfd_pe_get_symbol_info
+#define coff_get_symbol_info _bfd_XX_get_symbol_info
#ifdef COFF_IMAGE_WITH_PE
-static const bfd_target *
-pe_bfd_object_p (abfd)
- bfd * abfd;
+\f
+/* Code to handle Microsoft's Image Library Format.
+ Also known as LINK6 format.
+ Documentation about this format can be found at:
+
+ http://msdn.microsoft.com/library/specs/pecoff_section8.htm */
+
+/* The following constants specify the sizes of the various data
+ structures that we have to create in order to build a bfd describing
+ an ILF object file. The final "+ 1" in the definitions of SIZEOF_IDATA6
+ and SIZEOF_IDATA7 below is to allow for the possibility that we might
+ need a padding byte in order to ensure 16 bit alignment for the section's
+ contents.
+
+ The value for SIZEOF_ILF_STRINGS is computed as follows:
+
+ There will be NUM_ILF_SECTIONS section symbols. Allow 9 characters
+ per symbol for their names (longest section name is .idata$x).
+
+ There will be two symbols for the imported value, one the symbol name
+ and one with _imp__ prefixed. Allowing for the terminating nul's this
+ is strlen (symbol_name) * 2 + 8 + 21 + strlen (source_dll).
+
+ The strings in the string table must start STRING__SIZE_SIZE bytes into
+ the table in order to for the string lookup code in coffgen/coffcode to
+ work. */
+#define NUM_ILF_RELOCS 8
+#define NUM_ILF_SECTIONS 6
+#define NUM_ILF_SYMS (2 + NUM_ILF_SECTIONS)
+
+#define SIZEOF_ILF_SYMS (NUM_ILF_SYMS * sizeof (* vars.sym_cache))
+#define SIZEOF_ILF_SYM_TABLE (NUM_ILF_SYMS * sizeof (* vars.sym_table))
+#define SIZEOF_ILF_NATIVE_SYMS (NUM_ILF_SYMS * sizeof (* vars.native_syms))
+#define SIZEOF_ILF_SYM_PTR_TABLE (NUM_ILF_SYMS * sizeof (* vars.sym_ptr_table))
+#define SIZEOF_ILF_EXT_SYMS (NUM_ILF_SYMS * sizeof (* vars.esym_table))
+#define SIZEOF_ILF_RELOCS (NUM_ILF_RELOCS * sizeof (* vars.reltab))
+#define SIZEOF_ILF_INT_RELOCS (NUM_ILF_RELOCS * sizeof (* vars.int_reltab))
+#define SIZEOF_ILF_STRINGS (strlen (symbol_name) * 2 + 8 \
+ + 21 + strlen (source_dll) \
+ + NUM_ILF_SECTIONS * 9 \
+ + STRING_SIZE_SIZE)
+#define SIZEOF_IDATA2 (5 * 4)
+
+/* For PEx64 idata4 & 5 have thumb size of 8 bytes. */
+#ifdef COFF_WITH_pex64
+#define SIZEOF_IDATA4 (2 * 4)
+#define SIZEOF_IDATA5 (2 * 4)
+#else
+#define SIZEOF_IDATA4 (1 * 4)
+#define SIZEOF_IDATA5 (1 * 4)
+#endif
+
+#define SIZEOF_IDATA6 (2 + strlen (symbol_name) + 1 + 1)
+#define SIZEOF_IDATA7 (strlen (source_dll) + 1 + 1)
+#define SIZEOF_ILF_SECTIONS (NUM_ILF_SECTIONS * sizeof (struct coff_section_tdata))
+
+#define ILF_DATA_SIZE \
+ + SIZEOF_ILF_SYMS \
+ + SIZEOF_ILF_SYM_TABLE \
+ + SIZEOF_ILF_NATIVE_SYMS \
+ + SIZEOF_ILF_SYM_PTR_TABLE \
+ + SIZEOF_ILF_EXT_SYMS \
+ + SIZEOF_ILF_RELOCS \
+ + SIZEOF_ILF_INT_RELOCS \
+ + SIZEOF_ILF_STRINGS \
+ + SIZEOF_IDATA2 \
+ + SIZEOF_IDATA4 \
+ + SIZEOF_IDATA5 \
+ + SIZEOF_IDATA6 \
+ + SIZEOF_IDATA7 \
+ + SIZEOF_ILF_SECTIONS \
+ + MAX_TEXT_SECTION_SIZE
+
+/* Create an empty relocation against the given symbol. */
+
+static void
+pe_ILF_make_a_symbol_reloc (pe_ILF_vars * vars,
+ bfd_vma address,
+ bfd_reloc_code_real_type reloc,
+ struct bfd_symbol ** sym,
+ unsigned int sym_index)
{
- /* We need to handle a PE image correctly. In PE images created by
- the GNU linker, the offset to the COFF header is always the size.
- However, this is not the case in images generated by other PE
- linkers. The PE format stores a four byte offset to the PE
- signature just before the COFF header at location 0x3c of the file.
- We pick up that offset, verify that the PE signature is there, and
- then set ourselves up to read in the COFF header. */
- bfd_byte buffer[4];
- file_ptr offset;
- unsigned long signature;
+ arelent * entry;
+ struct internal_reloc * internal;
- /* Detect if this a Microsoft Import Library Format element. */
- if (bfd_seek (abfd, 0x00, SEEK_SET) != 0
- || bfd_read (buffer, 1, 4, abfd) != 4)
+ entry = vars->reltab + vars->relcount;
+ internal = vars->int_reltab + vars->relcount;
+
+ entry->address = address;
+ entry->addend = 0;
+ entry->howto = bfd_reloc_type_lookup (vars->abfd, reloc);
+ entry->sym_ptr_ptr = sym;
+
+ internal->r_vaddr = address;
+ internal->r_symndx = sym_index;
+ internal->r_type = entry->howto->type;
+
+ vars->relcount ++;
+
+ BFD_ASSERT (vars->relcount <= NUM_ILF_RELOCS);
+}
+
+/* Create an empty relocation against the given section. */
+
+static void
+pe_ILF_make_a_reloc (pe_ILF_vars * vars,
+ bfd_vma address,
+ bfd_reloc_code_real_type reloc,
+ asection_ptr sec)
+{
+ pe_ILF_make_a_symbol_reloc (vars, address, reloc, sec->symbol_ptr_ptr,
+ coff_section_data (vars->abfd, sec)->i);
+}
+
+/* Move the queued relocs into the given section. */
+
+static void
+pe_ILF_save_relocs (pe_ILF_vars * vars,
+ asection_ptr sec)
+{
+ /* Make sure that there is somewhere to store the internal relocs. */
+ if (coff_section_data (vars->abfd, sec) == NULL)
+ /* We should probably return an error indication here. */
+ abort ();
+
+ coff_section_data (vars->abfd, sec)->relocs = vars->int_reltab;
+ coff_section_data (vars->abfd, sec)->keep_relocs = TRUE;
+
+ sec->relocation = vars->reltab;
+ sec->reloc_count = vars->relcount;
+ sec->flags |= SEC_RELOC;
+
+ vars->reltab += vars->relcount;
+ vars->int_reltab += vars->relcount;
+ vars->relcount = 0;
+
+ BFD_ASSERT ((bfd_byte *) vars->int_reltab < (bfd_byte *) vars->string_table);
+}
+
+/* Create a global symbol and add it to the relevant tables. */
+
+static void
+pe_ILF_make_a_symbol (pe_ILF_vars * vars,
+ const char * prefix,
+ const char * symbol_name,
+ asection_ptr section,
+ flagword extra_flags)
+{
+ coff_symbol_type * sym;
+ combined_entry_type * ent;
+ SYMENT * esym;
+ unsigned short sclass;
+
+ if (extra_flags & BSF_LOCAL)
+ sclass = C_STAT;
+ else
+ sclass = C_EXT;
+
+#ifdef THUMBPEMAGIC
+ if (vars->magic == THUMBPEMAGIC)
{
- if (bfd_get_error () != bfd_error_system_call)
- bfd_set_error (bfd_error_wrong_format);
+ if (extra_flags & BSF_FUNCTION)
+ sclass = C_THUMBEXTFUNC;
+ else if (extra_flags & BSF_LOCAL)
+ sclass = C_THUMBSTAT;
+ else
+ sclass = C_THUMBEXT;
+ }
+#endif
+
+ BFD_ASSERT (vars->sym_index < NUM_ILF_SYMS);
+
+ sym = vars->sym_ptr;
+ ent = vars->native_ptr;
+ esym = vars->esym_ptr;
+
+ /* Copy the symbol's name into the string table. */
+ sprintf (vars->string_ptr, "%s%s", prefix, symbol_name);
+
+ if (section == NULL)
+ section = bfd_und_section_ptr;
+
+ /* Initialise the external symbol. */
+ H_PUT_32 (vars->abfd, vars->string_ptr - vars->string_table,
+ esym->e.e.e_offset);
+ H_PUT_16 (vars->abfd, section->target_index, esym->e_scnum);
+ esym->e_sclass[0] = sclass;
+
+ /* The following initialisations are unnecessary - the memory is
+ zero initialised. They are just kept here as reminders. */
+
+ /* Initialise the internal symbol structure. */
+ 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;
+
+ sym->symbol.the_bfd = vars->abfd;
+ sym->symbol.name = vars->string_ptr;
+ sym->symbol.flags = BSF_EXPORT | BSF_GLOBAL | extra_flags;
+ sym->symbol.section = section;
+ sym->native = ent;
+
+ * vars->table_ptr = vars->sym_index;
+ * vars->sym_ptr_ptr = sym;
+
+ /* Adjust pointers for the next symbol. */
+ vars->sym_index ++;
+ vars->sym_ptr ++;
+ vars->sym_ptr_ptr ++;
+ vars->table_ptr ++;
+ vars->native_ptr ++;
+ vars->esym_ptr ++;
+ vars->string_ptr += strlen (symbol_name) + strlen (prefix) + 1;
+
+ BFD_ASSERT (vars->string_ptr < vars->end_string_ptr);
+}
+
+/* Create a section. */
+
+static asection_ptr
+pe_ILF_make_a_section (pe_ILF_vars * vars,
+ const char * name,
+ unsigned int size,
+ flagword extra_flags)
+{
+ asection_ptr sec;
+ flagword flags;
+ intptr_t alignment;
+
+ sec = bfd_make_section_old_way (vars->abfd, name);
+ if (sec == NULL)
+ return NULL;
+
+ flags = SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_KEEP | SEC_IN_MEMORY;
+
+ bfd_set_section_flags (sec, flags | extra_flags);
+
+ bfd_set_section_alignment (sec, 2);
+
+ /* Check that we will not run out of space. */
+ BFD_ASSERT (vars->data + size < vars->bim->buffer + vars->bim->size);
+
+ /* Set the section size and contents. The actual
+ contents are filled in by our parent. */
+ bfd_set_section_size (sec, (bfd_size_type) size);
+ sec->contents = vars->data;
+ sec->target_index = vars->sec_index ++;
+
+ /* Advance data pointer in the vars structure. */
+ vars->data += size;
+
+ /* Skip the padding byte if it was not needed.
+ The logic here is that if the string length is odd,
+ then the entire string length, including the null byte,
+ is even and so the extra, padding byte, is not needed. */
+ if (size & 1)
+ vars->data --;
+
+ /* PR 18758: See note in pe_ILF_buid_a_bfd. We must make sure that we
+ 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);
+
+ BFD_ASSERT (vars->data <= vars->bim->buffer + vars->bim->size);
+
+ /* Create a symbol to refer to this section. */
+ pe_ILF_make_a_symbol (vars, "", name, sec, BSF_LOCAL);
+
+ /* Cache the index to the symbol in the coff_section_data structure. */
+ coff_section_data (vars->abfd, sec)->i = vars->sym_index - 1;
+
+ return sec;
+}
+
+/* This structure contains the code that goes into the .text section
+ in order to perform a jump into the DLL lookup table. The entries
+ in the table are index by the magic number used to represent the
+ machine type in the PE file. The contents of the data[] arrays in
+ these entries are stolen from the jtab[] arrays in ld/pe-dll.c.
+ The SIZE field says how many bytes in the DATA array are actually
+ used. The OFFSET field says where in the data array the address
+ of the .idata$5 section should be placed. */
+#define MAX_TEXT_SECTION_SIZE 32
+
+typedef struct
+{
+ unsigned short magic;
+ unsigned char data[MAX_TEXT_SECTION_SIZE];
+ unsigned int size;
+ unsigned int offset;
+}
+jump_table;
+
+static jump_table jtab[] =
+{
+#ifdef I386MAGIC
+ { I386MAGIC,
+ { 0xff, 0x25, 0x00, 0x00, 0x00, 0x00, 0x90, 0x90 },
+ 8, 2
+ },
+#endif
+
+#ifdef AMD64MAGIC
+ { AMD64MAGIC,
+ { 0xff, 0x25, 0x00, 0x00, 0x00, 0x00, 0x90, 0x90 },
+ 8, 2
+ },
+#endif
+
+#ifdef MC68MAGIC
+ { MC68MAGIC,
+ { /* XXX fill me in */ },
+ 0, 0
+ },
+#endif
+
+#ifdef MIPS_ARCH_MAGIC_WINCE
+ { MIPS_ARCH_MAGIC_WINCE,
+ { 0x00, 0x00, 0x08, 0x3c, 0x00, 0x00, 0x08, 0x8d,
+ 0x08, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00 },
+ 16, 0
+ },
+#endif
+
+#ifdef SH_ARCH_MAGIC_WINCE
+ { SH_ARCH_MAGIC_WINCE,
+ { 0x01, 0xd0, 0x02, 0x60, 0x2b, 0x40,
+ 0x09, 0x00, 0x00, 0x00, 0x00, 0x00 },
+ 12, 8
+ },
+#endif
+
+#ifdef ARMPEMAGIC
+ { ARMPEMAGIC,
+ { 0x00, 0xc0, 0x9f, 0xe5, 0x00, 0xf0,
+ 0x9c, 0xe5, 0x00, 0x00, 0x00, 0x00},
+ 12, 8
+ },
+#endif
+
+#ifdef THUMBPEMAGIC
+ { THUMBPEMAGIC,
+ { 0x40, 0xb4, 0x02, 0x4e, 0x36, 0x68, 0xb4, 0x46,
+ 0x40, 0xbc, 0x60, 0x47, 0x00, 0x00, 0x00, 0x00 },
+ 16, 12
+ },
+#endif
+ { 0, { 0 }, 0, 0 }
+};
+
+#ifndef NUM_ENTRIES
+#define NUM_ENTRIES(a) (sizeof (a) / sizeof (a)[0])
+#endif
+
+/* Build a full BFD from the information supplied in a ILF object. */
+
+static bfd_boolean
+pe_ILF_build_a_bfd (bfd * abfd,
+ unsigned int magic,
+ char * symbol_name,
+ char * source_dll,
+ unsigned int ordinal,
+ unsigned int types)
+{
+ bfd_byte * ptr;
+ pe_ILF_vars vars;
+ struct internal_filehdr internal_f;
+ unsigned int import_type;
+ unsigned int import_name_type;
+ 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;
+ import_name_type = (types & 0x1c) >> 2;
+
+ switch (import_type)
+ {
+ case IMPORT_CODE:
+ case IMPORT_DATA:
+ break;
+
+ case IMPORT_CONST:
+ /* XXX code yet to be written. */
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB: unhandled import type; %x"),
+ abfd, import_type);
+ return FALSE;
+
+ default:
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB: unrecognized import type; %x"),
+ abfd, import_type);
+ return FALSE;
+ }
+
+ switch (import_name_type)
+ {
+ case IMPORT_ORDINAL:
+ case IMPORT_NAME:
+ case IMPORT_NAME_NOPREFIX:
+ case IMPORT_NAME_UNDECORATE:
+ break;
+
+ default:
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB: unrecognized import name type; %x"),
+ abfd, import_name_type);
+ return FALSE;
+ }
+
+ /* Initialise local variables.
+
+ Note these are kept in a structure rather than being
+ declared as statics since bfd frowns on global variables.
+
+ We are going to construct the contents of the BFD in memory,
+ so allocate all the space that we will need right now. */
+ vars.bim
+ = (struct bfd_in_memory *) bfd_malloc ((bfd_size_type) sizeof (*vars.bim));
+ if (vars.bim == NULL)
+ return FALSE;
+
+ ptr = (bfd_byte *) bfd_zmalloc ((bfd_size_type) ILF_DATA_SIZE);
+ vars.bim->buffer = ptr;
+ vars.bim->size = ILF_DATA_SIZE;
+ if (ptr == NULL)
+ goto error_return;
+
+ /* Initialise the pointers to regions of the memory and the
+ other contents of the pe_ILF_vars structure as well. */
+ vars.sym_cache = (coff_symbol_type *) ptr;
+ vars.sym_ptr = (coff_symbol_type *) ptr;
+ vars.sym_index = 0;
+ ptr += SIZEOF_ILF_SYMS;
+
+ vars.sym_table = (unsigned int *) ptr;
+ vars.table_ptr = (unsigned int *) ptr;
+ ptr += SIZEOF_ILF_SYM_TABLE;
+
+ vars.native_syms = (combined_entry_type *) ptr;
+ vars.native_ptr = (combined_entry_type *) ptr;
+ ptr += SIZEOF_ILF_NATIVE_SYMS;
+
+ vars.sym_ptr_table = (coff_symbol_type **) ptr;
+ vars.sym_ptr_ptr = (coff_symbol_type **) ptr;
+ ptr += SIZEOF_ILF_SYM_PTR_TABLE;
+
+ vars.esym_table = (SYMENT *) ptr;
+ vars.esym_ptr = (SYMENT *) ptr;
+ ptr += SIZEOF_ILF_EXT_SYMS;
+
+ vars.reltab = (arelent *) ptr;
+ vars.relcount = 0;
+ ptr += SIZEOF_ILF_RELOCS;
+
+ vars.int_reltab = (struct internal_reloc *) ptr;
+ ptr += SIZEOF_ILF_INT_RELOCS;
+
+ vars.string_table = (char *) ptr;
+ vars.string_ptr = (char *) ptr + STRING_SIZE_SIZE;
+ ptr += SIZEOF_ILF_STRINGS;
+ vars.end_string_ptr = (char *) ptr;
+
+ /* The remaining space in bim->buffer is used
+ by the pe_ILF_make_a_section() function. */
+
+ /* PR 18758: Make sure that the data area is sufficiently aligned for
+ 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;
+ vars.sec_index = 0;
+ vars.magic = magic;
+
+ /* Create the initial .idata$<n> sections:
+ [.idata$2: Import Directory Table -- not needed]
+ .idata$4: Import Lookup Table
+ .idata$5: Import Address Table
+
+ Note we do not create a .idata$3 section as this is
+ created for us by the linker script. */
+ id4 = pe_ILF_make_a_section (& vars, ".idata$4", SIZEOF_IDATA4, 0);
+ id5 = pe_ILF_make_a_section (& vars, ".idata$5", SIZEOF_IDATA5, 0);
+ if (id4 == NULL || id5 == NULL)
+ goto error_return;
+
+ /* Fill in the contents of these sections. */
+ if (import_name_type == IMPORT_ORDINAL)
+ {
+ if (ordinal == 0)
+ /* See PR 20907 for a reproducer. */
+ goto error_return;
+
+#ifdef COFF_WITH_pex64
+ ((unsigned int *) id4->contents)[0] = ordinal;
+ ((unsigned int *) id4->contents)[1] = 0x80000000;
+ ((unsigned int *) id5->contents)[0] = ordinal;
+ ((unsigned int *) id5->contents)[1] = 0x80000000;
+#else
+ * (unsigned int *) id4->contents = ordinal | 0x80000000;
+ * (unsigned int *) id5->contents = ordinal | 0x80000000;
+#endif
+ }
+ else
+ {
+ char * symbol;
+ unsigned int len;
+
+ /* Create .idata$6 - the Hint Name Table. */
+ id6 = pe_ILF_make_a_section (& vars, ".idata$6", SIZEOF_IDATA6, 0);
+ if (id6 == NULL)
+ goto error_return;
+
+ /* If necessary, trim the import symbol name. */
+ symbol = symbol_name;
+
+ /* As used by MS compiler, '_', '@', and '?' are alternative
+ forms of USER_LABEL_PREFIX, with '?' for c++ mangled names,
+ '@' used for fastcall (in C), '_' everywhere else. Only one
+ of these is used for a symbol. We strip this leading char for
+ IMPORT_NAME_NOPREFIX and IMPORT_NAME_UNDECORATE as per the
+ PE COFF 6.0 spec (section 8.3, Import Name Type). */
+
+ if (import_name_type != IMPORT_NAME)
+ {
+ char c = symbol[0];
+
+ /* Check that we don't remove for targets with empty
+ USER_LABEL_PREFIX the leading underscore. */
+ if ((c == '_' && abfd->xvec->symbol_leading_char != 0)
+ || c == '@' || c == '?')
+ symbol++;
+ }
+
+ len = strlen (symbol);
+ if (import_name_type == IMPORT_NAME_UNDECORATE)
+ {
+ /* Truncate at the first '@'. */
+ char *at = strchr (symbol, '@');
+
+ if (at != NULL)
+ len = at - symbol;
+ }
+
+ id6->contents[0] = ordinal & 0xff;
+ id6->contents[1] = ordinal >> 8;
+
+ memcpy ((char *) id6->contents + 2, symbol, len);
+ id6->contents[len + 2] = '\0';
+ }
+
+ if (import_name_type != IMPORT_ORDINAL)
+ {
+ pe_ILF_make_a_reloc (&vars, (bfd_vma) 0, BFD_RELOC_RVA, id6);
+ pe_ILF_save_relocs (&vars, id4);
+
+ pe_ILF_make_a_reloc (&vars, (bfd_vma) 0, BFD_RELOC_RVA, id6);
+ pe_ILF_save_relocs (&vars, id5);
+ }
+
+ /* Create an import symbol. */
+ pe_ILF_make_a_symbol (& vars, "__imp_", symbol_name, id5, 0);
+ imp_sym = vars.sym_ptr_ptr - 1;
+ imp_index = vars.sym_index - 1;
+
+ /* Create extra sections depending upon the type of import we are dealing with. */
+ switch (import_type)
+ {
+ int i;
+
+ case IMPORT_CODE:
+ /* CODE functions are special, in that they get a trampoline that
+ jumps to the main import symbol. Create a .text section to hold it.
+ First we need to look up its contents in the jump table. */
+ for (i = NUM_ENTRIES (jtab); i--;)
+ {
+ if (jtab[i].size == 0)
+ continue;
+ if (jtab[i].magic == magic)
+ break;
+ }
+ /* If we did not find a matching entry something is wrong. */
+ if (i < 0)
+ abort ();
+
+ /* Create the .text section. */
+ text = pe_ILF_make_a_section (& vars, ".text", jtab[i].size, SEC_CODE);
+ if (text == NULL)
+ goto error_return;
+
+ /* Copy in the jump code. */
+ memcpy (text->contents, jtab[i].data, jtab[i].size);
+
+ /* Create a reloc for the data in the text section. */
+#ifdef MIPS_ARCH_MAGIC_WINCE
+ if (magic == MIPS_ARCH_MAGIC_WINCE)
+ {
+ pe_ILF_make_a_symbol_reloc (&vars, (bfd_vma) 0, BFD_RELOC_HI16_S,
+ (struct bfd_symbol **) imp_sym,
+ imp_index);
+ pe_ILF_make_a_reloc (&vars, (bfd_vma) 0, BFD_RELOC_LO16, text);
+ pe_ILF_make_a_symbol_reloc (&vars, (bfd_vma) 4, BFD_RELOC_LO16,
+ (struct bfd_symbol **) imp_sym,
+ imp_index);
+ }
+ else
+#endif
+#ifdef AMD64MAGIC
+ if (magic == AMD64MAGIC)
+ {
+ pe_ILF_make_a_symbol_reloc (&vars, (bfd_vma) jtab[i].offset,
+ BFD_RELOC_32_PCREL, (asymbol **) imp_sym,
+ imp_index);
+ }
+ else
+#endif
+ pe_ILF_make_a_symbol_reloc (&vars, (bfd_vma) jtab[i].offset,
+ BFD_RELOC_32, (asymbol **) imp_sym,
+ imp_index);
+
+ pe_ILF_save_relocs (& vars, text);
+ break;
+
+ case IMPORT_DATA:
+ break;
+
+ default:
+ /* XXX code not yet written. */
+ abort ();
+ }
+
+ /* Initialise the bfd. */
+ memset (& internal_f, 0, sizeof (internal_f));
+
+ internal_f.f_magic = magic;
+ internal_f.f_symptr = 0;
+ internal_f.f_nsyms = 0;
+ internal_f.f_flags = F_AR32WR | F_LNNO; /* XXX is this correct ? */
+
+ if ( ! bfd_set_start_address (abfd, (bfd_vma) 0)
+ || ! bfd_coff_set_arch_mach_hook (abfd, & internal_f))
+ goto error_return;
+
+ if (bfd_coff_mkobject_hook (abfd, (void *) & internal_f, NULL) == NULL)
+ goto error_return;
+
+ coff_data (abfd)->pe = 1;
+#ifdef THUMBPEMAGIC
+ if (vars.magic == THUMBPEMAGIC)
+ /* Stop some linker warnings about thumb code not supporting interworking. */
+ coff_data (abfd)->flags |= F_INTERWORK | F_INTERWORK_SET;
+#endif
+
+ /* Switch from file contents to memory contents. */
+ bfd_cache_close (abfd);
+
+ abfd->iostream = (void *) vars.bim;
+ abfd->flags |= BFD_IN_MEMORY /* | HAS_LOCALS */;
+ abfd->iovec = &_bfd_memory_iovec;
+ abfd->where = 0;
+ abfd->origin = 0;
+ obj_sym_filepos (abfd) = 0;
+
+ /* Now create a symbol describing the imported value. */
+ switch (import_type)
+ {
+ case IMPORT_CODE:
+ pe_ILF_make_a_symbol (& vars, "", symbol_name, text,
+ BSF_NOT_AT_END | BSF_FUNCTION);
+
+ break;
+
+ case IMPORT_DATA:
+ /* Nothing to do here. */
+ break;
+
+ default:
+ /* XXX code not yet written. */
+ abort ();
+ }
+
+ /* Create an import symbol for the DLL, without the .dll suffix. */
+ ptr = (bfd_byte *) strrchr (source_dll, '.');
+ if (ptr)
+ * ptr = 0;
+ pe_ILF_make_a_symbol (& vars, "__IMPORT_DESCRIPTOR_", source_dll, NULL, 0);
+ if (ptr)
+ * ptr = '.';
+
+ /* Point the bfd at the symbol table. */
+ obj_symbols (abfd) = vars.sym_cache;
+ abfd->symcount = vars.sym_index;
+
+ obj_raw_syments (abfd) = vars.native_syms;
+ obj_raw_syment_count (abfd) = vars.sym_index;
+
+ obj_coff_external_syms (abfd) = (void *) vars.esym_table;
+ 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;
+
+ abfd->flags |= HAS_SYMS;
+
+ return TRUE;
+
+ error_return:
+ free (vars.bim->buffer);
+ free (vars.bim);
+ return FALSE;
+}
+
+/* We have detected a Image Library Format archive element.
+ Decode the element and return the appropriate target. */
+
+static bfd_cleanup
+pe_ILF_object_p (bfd * abfd)
+{
+ bfd_byte buffer[14];
+ bfd_byte * ptr;
+ char * symbol_name;
+ char * source_dll;
+ unsigned int machine;
+ bfd_size_type size;
+ unsigned int ordinal;
+ unsigned int types;
+ unsigned int magic;
+
+ /* Upon entry the first six bytes of the ILF header have
+ already been read. Now read the rest of the header. */
+ if (bfd_bread (buffer, (bfd_size_type) 14, abfd) != 14)
+ return NULL;
+
+ ptr = buffer;
+
+ machine = H_GET_16 (abfd, ptr);
+ ptr += 2;
+
+ /* Check that the machine type is recognised. */
+ magic = 0;
+
+ switch (machine)
+ {
+ case IMAGE_FILE_MACHINE_UNKNOWN:
+ case IMAGE_FILE_MACHINE_ALPHA:
+ case IMAGE_FILE_MACHINE_ALPHA64:
+ case IMAGE_FILE_MACHINE_IA64:
+ break;
+
+ case IMAGE_FILE_MACHINE_I386:
+#ifdef I386MAGIC
+ magic = I386MAGIC;
+#endif
+ break;
+
+ case IMAGE_FILE_MACHINE_AMD64:
+#ifdef AMD64MAGIC
+ magic = AMD64MAGIC;
+#endif
+ break;
+
+ case IMAGE_FILE_MACHINE_R3000:
+ case IMAGE_FILE_MACHINE_R4000:
+ case IMAGE_FILE_MACHINE_R10000:
+
+ case IMAGE_FILE_MACHINE_MIPS16:
+ case IMAGE_FILE_MACHINE_MIPSFPU:
+ case IMAGE_FILE_MACHINE_MIPSFPU16:
+#ifdef MIPS_ARCH_MAGIC_WINCE
+ magic = MIPS_ARCH_MAGIC_WINCE;
+#endif
+ break;
+
+ case IMAGE_FILE_MACHINE_SH3:
+ case IMAGE_FILE_MACHINE_SH4:
+#ifdef SH_ARCH_MAGIC_WINCE
+ magic = SH_ARCH_MAGIC_WINCE;
+#endif
+ break;
+
+ case IMAGE_FILE_MACHINE_ARM:
+#ifdef ARMPEMAGIC
+ magic = ARMPEMAGIC;
+#endif
+ break;
+
+ case IMAGE_FILE_MACHINE_THUMB:
+#ifdef THUMBPEMAGIC
+ {
+ extern const bfd_target TARGET_LITTLE_SYM;
+
+ if (abfd->xvec == & TARGET_LITTLE_SYM)
+ magic = THUMBPEMAGIC;
+ }
+#endif
+ break;
+
+ case IMAGE_FILE_MACHINE_POWERPC:
+ /* We no longer support PowerPC. */
+ default:
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%pB: unrecognised machine type (0x%x)"
+ " in Import Library Format archive"),
+ abfd, machine);
+ bfd_set_error (bfd_error_malformed_archive);
+
return NULL;
+ break;
}
-
- signature = bfd_h_get_32 (abfd, buffer);
-
- if (signature == 0xffff0000)
+
+ if (magic == 0)
{
- _bfd_error_handler (
-_("%s: Import Library Format archives are not currently supported"),
- bfd_get_filename (abfd));
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%pB: recognised but unhandled machine type (0x%x)"
+ " in Import Library Format archive"),
+ abfd, machine);
bfd_set_error (bfd_error_wrong_format);
-
+
+ return NULL;
+ }
+
+ /* We do not bother to check the date.
+ date = H_GET_32 (abfd, ptr); */
+ ptr += 4;
+
+ size = H_GET_32 (abfd, ptr);
+ ptr += 4;
+
+ if (size == 0)
+ {
+ _bfd_error_handler
+ (_("%pB: size field is zero in Import Library Format header"), abfd);
+ bfd_set_error (bfd_error_malformed_archive);
+
+ return NULL;
+ }
+
+ ordinal = H_GET_16 (abfd, ptr);
+ ptr += 2;
+
+ types = H_GET_16 (abfd, ptr);
+ /* ptr += 2; */
+
+ /* Now read in the two strings that follow. */
+ ptr = (bfd_byte *) _bfd_alloc_and_read (abfd, size, size);
+ if (ptr == NULL)
+ 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;
+
+ /* Verify that the strings are null terminated. */
+ if (ptr[size - 1] != 0
+ || (bfd_size_type) ((bfd_byte *) source_dll - ptr) >= size)
+ {
+ _bfd_error_handler
+ (_("%pB: string not null terminated in ILF object file"), abfd);
+ bfd_set_error (bfd_error_malformed_archive);
+ bfd_release (abfd, ptr);
return NULL;
}
-
- if (bfd_seek (abfd, 0x3c, SEEK_SET) != 0
- || bfd_read (buffer, 1, 4, abfd) != 4)
+
+ /* Now construct the bfd. */
+ if (! pe_ILF_build_a_bfd (abfd, magic, symbol_name,
+ source_dll, ordinal, types))
+ {
+ bfd_release (abfd, ptr);
+ return NULL;
+ }
+
+ return _bfd_no_cleanup;
+}
+
+static void
+pe_bfd_read_buildid (bfd *abfd)
+{
+ pe_data_type *pe = pe_data (abfd);
+ struct internal_extra_pe_aouthdr *extra = &pe->pe_opthdr;
+ asection *section;
+ bfd_byte *data = 0;
+ bfd_size_type dataoff;
+ unsigned int i;
+ bfd_vma addr = extra->DataDirectory[PE_DEBUG_DATA].VirtualAddress;
+ bfd_size_type size = extra->DataDirectory[PE_DEBUG_DATA].Size;
+
+ if (size == 0)
+ return;
+
+ addr += extra->ImageBase;
+
+ /* Search for the section containing the DebugDirectory. */
+ for (section = abfd->sections; section != NULL; section = section->next)
+ {
+ if ((addr >= section->vma) && (addr < (section->vma + section->size)))
+ break;
+ }
+
+ if (section == NULL)
+ return;
+
+ if (!(section->flags & SEC_HAS_CONTENTS))
+ return;
+
+ dataoff = addr - section->vma;
+
+ /* PR 20605 and 22373: Make sure that the data is really there.
+ Note - since we are dealing with unsigned quantities we have
+ to be careful to check for potential overflows. */
+ if (dataoff >= section->size
+ || size > section->size - dataoff)
+ {
+ _bfd_error_handler
+ (_("%pB: error: debug data ends beyond end of debug directory"),
+ abfd);
+ return;
+ }
+
+ /* Read the whole section. */
+ if (!bfd_malloc_and_get_section (abfd, section, &data))
+ {
+ free (data);
+ return;
+ }
+
+ /* Search for a CodeView entry in the DebugDirectory */
+ for (i = 0; i < size / sizeof (struct external_IMAGE_DEBUG_DIRECTORY); i++)
+ {
+ struct external_IMAGE_DEBUG_DIRECTORY *ext
+ = &((struct external_IMAGE_DEBUG_DIRECTORY *)(data + dataoff))[i];
+ struct internal_IMAGE_DEBUG_DIRECTORY idd;
+
+ _bfd_XXi_swap_debugdir_in (abfd, ext, &idd);
+
+ if (idd.Type == PE_IMAGE_DEBUG_TYPE_CODEVIEW)
+ {
+ char buffer[256 + 1];
+ CODEVIEW_INFO *cvinfo = (CODEVIEW_INFO *) buffer;
+
+ /*
+ The debug entry doesn't have to have to be in a section, in which
+ case AddressOfRawData is 0, so always use PointerToRawData.
+ */
+ if (_bfd_XXi_slurp_codeview_record (abfd,
+ (file_ptr) idd.PointerToRawData,
+ idd.SizeOfData, cvinfo))
+ {
+ struct bfd_build_id* build_id = bfd_alloc (abfd,
+ sizeof (struct bfd_build_id) + cvinfo->SignatureLength);
+ if (build_id)
+ {
+ build_id->size = cvinfo->SignatureLength;
+ memcpy(build_id->data, cvinfo->Signature,
+ cvinfo->SignatureLength);
+ abfd->build_id = build_id;
+ }
+ }
+ break;
+ }
+ }
+
+ free (data);
+}
+
+static bfd_cleanup
+pe_bfd_object_p (bfd * abfd)
+{
+ bfd_byte buffer[6];
+ struct external_DOS_hdr dos_hdr;
+ struct external_PEI_IMAGE_hdr image_hdr;
+ struct internal_filehdr internal_f;
+ struct internal_aouthdr internal_a;
+ bfd_size_type opt_hdr_size;
+ file_ptr offset;
+ bfd_cleanup result;
+
+ /* Detect if this a Microsoft Import Library Format element. */
+ /* First read the beginning of the header. */
+ if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0
+ || bfd_bread (buffer, (bfd_size_type) 6, abfd) != 6)
{
if (bfd_get_error () != bfd_error_system_call)
bfd_set_error (bfd_error_wrong_format);
return NULL;
}
- offset = bfd_h_get_32 (abfd, buffer);
+ /* Then check the magic and the version (only 0 is supported). */
+ if (H_GET_32 (abfd, buffer) == 0xffff0000
+ && H_GET_16 (abfd, buffer + 4) == 0)
+ return pe_ILF_object_p (abfd);
- if (bfd_seek (abfd, offset, SEEK_SET) != 0
- || bfd_read (buffer, 1, 4, abfd) != 4)
+ if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0
+ || bfd_bread (&dos_hdr, (bfd_size_type) sizeof (dos_hdr), abfd)
+ != sizeof (dos_hdr))
{
if (bfd_get_error () != bfd_error_system_call)
bfd_set_error (bfd_error_wrong_format);
return NULL;
}
- signature = bfd_h_get_32 (abfd, buffer);
-
- if (signature != 0x4550)
+ /* There are really two magic numbers involved; the magic number
+ that says this is a NT executable (PEI) and the magic number that
+ determines the architecture. The former is IMAGE_DOS_SIGNATURE, stored in
+ the e_magic field. The latter is stored in the f_magic field.
+ If the NT magic number isn't valid, the architecture magic number
+ could be mimicked by some other field (specifically, the number
+ of relocs in section 3). Since this routine can only be called
+ correctly for a PEI file, check the e_magic number here, and, if
+ it doesn't match, clobber the f_magic number so that we don't get
+ a false match. */
+ if (H_GET_16 (abfd, dos_hdr.e_magic) != IMAGE_DOS_SIGNATURE)
{
bfd_set_error (bfd_error_wrong_format);
return NULL;
}
-
- /* Here is the hack. coff_object_p wants to read filhsz bytes to
- pick up the COFF header. We adjust so that that will work. 20
- is the size of the i386 COFF filehdr. */
- if (bfd_seek (abfd,
- (bfd_tell (abfd)
- - bfd_coff_filhsz (abfd)
- + 20),
- SEEK_SET)
- != 0)
+
+ offset = H_GET_32 (abfd, dos_hdr.e_lfanew);
+ if (bfd_seek (abfd, offset, SEEK_SET) != 0
+ || (bfd_bread (&image_hdr, (bfd_size_type) sizeof (image_hdr), abfd)
+ != sizeof (image_hdr)))
{
if (bfd_get_error () != bfd_error_system_call)
bfd_set_error (bfd_error_wrong_format);
return NULL;
}
- return coff_object_p (abfd);
+ if (H_GET_32 (abfd, image_hdr.nt_signature) != 0x4550)
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ return NULL;
+ }
+
+ /* Swap file header, so that we get the location for calling
+ real_object_p. */
+ bfd_coff_swap_filehdr_in (abfd, &image_hdr, &internal_f);
+
+ if (! bfd_coff_bad_format_hook (abfd, &internal_f)
+ || internal_f.f_opthdr > bfd_coff_aoutsz (abfd))
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ 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 (opt_hdr_size != 0)
+ {
+ bfd_size_type amt = opt_hdr_size;
+ void * opthdr;
+
+ /* PR 17521 file: 230-131433-0.004. */
+ if (amt < sizeof (PEAOUTHDR))
+ amt = sizeof (PEAOUTHDR);
+
+ opthdr = _bfd_alloc_and_read (abfd, amt, opt_hdr_size);
+ if (opthdr == NULL)
+ 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);
+ if (bfd_get_error () != bfd_error_no_error)
+ return NULL;
+ }
+
+
+ result = coff_real_object_p (abfd, internal_f.f_nscns, &internal_f,
+ (opt_hdr_size != 0
+ ? &internal_a
+ : (struct internal_aouthdr *) NULL));
+
+
+ if (result)
+ {
+ /* Now the whole header has been processed, see if there is a build-id */
+ pe_bfd_read_buildid(abfd);
+ }
+
+ return result;
}
#define coff_object_p pe_bfd_object_p
-#endif
+#endif /* COFF_IMAGE_WITH_PE */
projects / deliverable / binutils-gdb.git / blobdiff