/* Support for the generic parts of PE/PEI, for BFD.
- Copyright (C) 1995-2020 Free Software Foundation, Inc.
+ Copyright (C) 1995-2024 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
#ifdef COFF_IMAGE_WITH_PE
# define coff_swap_filehdr_out _bfd_XXi_only_swap_filehdr_out
+#elif defined COFF_WITH_peAArch64
+# define coff_swap_filehdr_out _bfd_XX_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
{
scnhdr_int->s_vaddr += pe_data (abfd)->pe_opthdr.ImageBase;
/* Do not cut upper 32-bits for 64-bit vma. */
-#ifndef COFF_WITH_pex64
+#if !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64) && !defined(COFF_WITH_peRiscV64)
scnhdr_int->s_vaddr &= 0xffffffff;
#endif
}
#endif
}
-static bfd_boolean
+static bool
pe_mkobject (bfd * abfd)
{
- pe_data_type *pe;
- 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;
-
- pe = pe_data (abfd);
+ /* Some x86 code followed by an ascii string. */
+ static const char default_dos_message[64] = {
+ 0x0e, 0x1f, 0xba, 0x0e, 0x00, 0xb4, 0x09, 0xcd,
+ 0x21, 0xb8, 0x01, 0x4c, 0xcd, 0x21, 0x54, 0x68,
+ 0x69, 0x73, 0x20, 0x70, 0x72, 0x6f, 0x67, 0x72,
+ 0x61, 0x6d, 0x20, 0x63, 0x61, 0x6e, 0x6e, 0x6f,
+ 0x74, 0x20, 0x62, 0x65, 0x20, 0x72, 0x75, 0x6e,
+ 0x20, 0x69, 0x6e, 0x20, 0x44, 0x4f, 0x53, 0x20,
+ 0x6d, 0x6f, 0x64, 0x65, 0x2e, 0x0d, 0x0d, 0x0a,
+ 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+
+ pe_data_type *pe = bfd_zalloc (abfd, sizeof (*pe));
+ abfd->tdata.pe_obj_data = pe;
+ if (pe == NULL)
+ return false;
pe->coff.pe = 1;
/* 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;
+ memcpy (pe->dos_message, default_dos_message, sizeof (pe->dos_message));
+
+ bfd_coff_long_section_names (abfd)
+ = coff_backend_info (abfd)->_bfd_coff_long_section_names;
+
+ return true;
}
/* Create the COFF backend specific information. */
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 \
#ifdef COFF_IMAGE_WITH_PE
\f
-/* Code to handle Microsoft's Image Library Format.
+/* Code to handle Microsoft's Import Library Format.
Also known as LINK6 format.
Documentation about this format can be found at:
- http://msdn.microsoft.com/library/specs/pecoff_section8.htm */
+ https://learn.microsoft.com/en-us/windows/win32/debug/pe-format#import-library-format */
/* The following constants specify the sizes of the various data
structures that we have to create in order to build a bfd describing
#define SIZEOF_IDATA2 (5 * 4)
/* For PEx64 idata4 & 5 have thumb size of 8 bytes. */
-#ifdef COFF_WITH_pex64
+#if defined(COFF_WITH_pex64) || defined(COFF_WITH_peAArch64)
#define SIZEOF_IDATA4 (2 * 4)
#define SIZEOF_IDATA5 (2 * 4)
#else
internal->r_vaddr = address;
internal->r_symndx = sym_index;
- internal->r_type = entry->howto->type;
+ internal->r_type = entry->howto ? entry->howto->type : 0;
vars->relcount ++;
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;
esym = vars->esym_ptr;
/* Copy the symbol's name into the string table. */
- sprintf (vars->string_ptr, "%s%s", prefix, symbol_name);
+ int len = sprintf (vars->string_ptr, "%s%s", prefix, symbol_name);
if (section == NULL)
section = bfd_und_section_ptr;
/* 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;
+ ent->u.syment._n._n_n._n_offset = (uintptr_t) sym;
+ ent->is_sym = true;
sym->symbol.the_bfd = vars->abfd;
sym->symbol.name = vars->string_ptr;
vars->table_ptr ++;
vars->native_ptr ++;
vars->esym_ptr ++;
- vars->string_ptr += strlen (symbol_name) + strlen (prefix) + 1;
+ vars->string_ptr += len + 1;
BFD_ASSERT (vars->string_ptr < vars->end_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,
},
#endif
+#ifdef AARCH64MAGIC
+/* We don't currently support jumping to DLLs, so if
+ someone does try emit a runtime trap. Through UDF #0. */
+ { AARCH64MAGIC,
+ { 0x00, 0x00, 0x00, 0x00 },
+ 4, 0
+ },
+
+#endif
+
#ifdef ARMPEMAGIC
{ ARMPEMAGIC,
{ 0x00, 0xc0, 0x9f, 0xe5, 0x00, 0xf0,
16, 12
},
#endif
+
+#ifdef LOONGARCH64MAGIC
+/* We don't currently support jumping to DLLs, so if
+ someone does try emit a runtime trap. Through BREAK 0. */
+ { LOONGARCH64MAGIC,
+ { 0x00, 0x00, 0x2a, 0x00 },
+ 4, 0
+ },
+
+#endif
+
+#ifdef RISCV64MAGIC
+ /* We don't currently support jumping to DLLs, so if
+ someone does try emit a runtime trap. Through EBREAK. */
+ { RISCV64MAGIC,
+ { 0x73, 0x00, 0x10, 0x00 },
+ 4, 0
+ },
+
+#endif
+
{ 0, { 0 }, 0, 0 }
};
/* 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;
/* See PR 20907 for a reproducer. */
goto error_return;
-#ifdef COFF_WITH_pex64
+#if defined(COFF_WITH_pex64) || defined(COFF_WITH_peAArch64) || defined(COFF_WITH_peLoongArch64) || defined (COFF_WITH_peRiscV64)
((unsigned int *) id4->contents)[0] = ordinal;
((unsigned int *) id4->contents)[1] = 0x80000000;
((unsigned int *) id5->contents)[0] = ordinal;
abort ();
}
+ /* 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 = '.';
+
/* Initialise the bfd. */
memset (& internal_f, 0, sizeof (internal_f));
if (bfd_coff_mkobject_hook (abfd, (void *) & internal_f, NULL) == NULL)
goto error_return;
- coff_data (abfd)->pe = 1;
+ obj_pe (abfd) = true;
#ifdef THUMBPEMAGIC
if (vars.magic == THUMBPEMAGIC)
/* Stop some linker warnings about thumb code not supporting interworking. */
bfd_cache_close (abfd);
abfd->iostream = (void *) vars.bim;
- abfd->flags |= BFD_IN_MEMORY /* | HAS_LOCALS */;
+ abfd->flags |= BFD_IN_MEMORY | HAS_SYMS;
abfd->iovec = &_bfd_memory_iovec;
abfd->where = 0;
abfd->origin = 0;
+ abfd->size = 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_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_strings_len (abfd) = vars.string_ptr - vars.string_table;
+ obj_coff_keep_strings (abfd) = true;
- abfd->flags |= HAS_SYMS;
-
- return TRUE;
+ return true;
error_return:
free (vars.bim->buffer);
free (vars.bim);
- return FALSE;
+ return false;
+}
+
+/* Cleanup function, returned from check_format hook. */
+
+static void
+pe_ILF_cleanup (bfd *abfd)
+{
+ coff_object_cleanup (abfd);
+
+ struct bfd_in_memory *bim = abfd->iostream;
+ free (bim->buffer);
+ free (bim);
+ abfd->iostream = NULL;
}
-/* We have detected a Image Library Format archive element.
+/* We have detected an Import Library Format archive element.
Decode the element and return the appropriate target. */
static bfd_cleanup
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)
+ already been read. Now read the rest of the header. */
+ if (bfd_read (buffer, 14, abfd) != 14)
return NULL;
ptr = buffer;
#endif
break;
+ case IMAGE_FILE_MACHINE_ARM64:
+#ifdef AARCH64MAGIC
+ magic = AARCH64MAGIC;
+#endif
+ break;
+
+ case IMAGE_FILE_MACHINE_LOONGARCH64:
+#ifdef LOONGARCH64MAGIC
+ magic = LOONGARCH64MAGIC;
+#endif
+ break;
+
+ case IMAGE_FILE_MACHINE_RISCV64:
+#ifdef RISCV64MAGIC
+ magic = RISCV64MAGIC;
+#endif
+ break;
+
case IMAGE_FILE_MACHINE_THUMB:
#ifdef THUMBPEMAGIC
{
return NULL;
}
- return _bfd_no_cleanup;
+ return pe_ILF_cleanup;
}
static void
*/
if (_bfd_XXi_slurp_codeview_record (abfd,
(file_ptr) idd.PointerToRawData,
- idd.SizeOfData, cvinfo))
+ idd.SizeOfData, cvinfo, NULL))
{
struct bfd_build_id* build_id = bfd_alloc (abfd,
sizeof (struct bfd_build_id) + cvinfo->SignatureLength);
/* 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_seek (abfd, 0, SEEK_SET) != 0
+ || bfd_read (buffer, 6, abfd) != 6)
{
if (bfd_get_error () != bfd_error_system_call)
bfd_set_error (bfd_error_wrong_format);
&& H_GET_16 (abfd, buffer + 4) == 0)
return pe_ILF_object_p (abfd);
- 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_seek (abfd, 0, SEEK_SET) != 0
+ || bfd_read (&dos_hdr, sizeof (dos_hdr), abfd) != sizeof (dos_hdr))
{
if (bfd_get_error () != bfd_error_system_call)
bfd_set_error (bfd_error_wrong_format);
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)))
+ || bfd_read (&image_hdr, sizeof (image_hdr), abfd) != sizeof (image_hdr))
{
if (bfd_get_error () != bfd_error_system_call)
bfd_set_error (bfd_error_wrong_format);
if (opt_hdr_size != 0)
{
bfd_size_type amt = opt_hdr_size;
- void * opthdr;
+ bfd_byte * opthdr;
/* PR 17521 file: 230-131433-0.004. */
if (amt < sizeof (PEAOUTHDR))
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;
- }
+ bfd_coff_swap_aouthdr_in (abfd, opthdr, &internal_a);
+ struct internal_extra_pe_aouthdr *a = &internal_a.pe;
+
+#ifdef ARM
+ /* Use Subsystem to distinguish between pei-arm-little and
+ pei-arm-wince-little. */
+#ifdef WINCE
+ if (a->Subsystem != IMAGE_SUBSYSTEM_WINDOWS_CE_GUI)
+#else
+ if (a->Subsystem == IMAGE_SUBSYSTEM_WINDOWS_CE_GUI)
+#endif
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ return NULL;
+ }
+#endif
+
+ if ((a->SectionAlignment & -a->SectionAlignment) != a->SectionAlignment
+ || a->SectionAlignment >= 0x80000000)
+ {
+ _bfd_error_handler (_("%pB: adjusting invalid SectionAlignment"),
+ abfd);
+ a->SectionAlignment &= -a->SectionAlignment;
+ if (a->SectionAlignment >= 0x80000000)
+ a->SectionAlignment = 0x40000000;
+ }
+
+ if ((a->FileAlignment & -a->FileAlignment) != a->FileAlignment
+ || a->FileAlignment > a->SectionAlignment)
+ {
+ _bfd_error_handler (_("%pB: adjusting invalid FileAlignment"),
+ abfd);
+ a->FileAlignment &= -a->FileAlignment;
+ if (a->FileAlignment > a->SectionAlignment)
+ a->FileAlignment = a->SectionAlignment;
+ }
+
+ if (a->NumberOfRvaAndSizes > IMAGE_NUMBEROF_DIRECTORY_ENTRIES)
+ _bfd_error_handler (_("%pB: invalid NumberOfRvaAndSizes"), abfd);
+ }
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 */
projects / thirdparty / binutils-gdb.git / blobdiff