/* Assorted BFD support routines, only used internally.
- Copyright (C) 1990-2014 Free Software Foundation, Inc.
+ Copyright (C) 1990-2020 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
completeness.
*/
+bfd_boolean
+_bfd_bool_bfd_false (bfd *abfd ATTRIBUTE_UNUSED)
+{
+ return FALSE;
+}
+
+bfd_boolean
+_bfd_bool_bfd_asymbol_false (bfd *abfd ATTRIBUTE_UNUSED,
+ asymbol *sym ATTRIBUTE_UNUSED)
+{
+ return FALSE;
+}
+
/* A routine which is used in target vectors for unsupported
operations. */
bfd_boolean
-bfd_false (bfd *ignore ATTRIBUTE_UNUSED)
+_bfd_bool_bfd_false_error (bfd *ignore ATTRIBUTE_UNUSED)
{
bfd_set_error (bfd_error_invalid_operation);
return FALSE;
}
+bfd_boolean
+_bfd_bool_bfd_link_false_error (bfd *abfd,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
+{
+ return _bfd_bool_bfd_false_error (abfd);
+}
+
/* A routine which is used in target vectors for supported operations
which do not actually do anything. */
bfd_boolean
-bfd_true (bfd *ignore ATTRIBUTE_UNUSED)
+_bfd_bool_bfd_true (bfd *ignore ATTRIBUTE_UNUSED)
+{
+ return TRUE;
+}
+
+bfd_boolean
+_bfd_bool_bfd_link_true (bfd *abfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
+{
+ return TRUE;
+}
+
+bfd_boolean
+_bfd_bool_bfd_bfd_true (bfd *ibfd ATTRIBUTE_UNUSED,
+ bfd *obfd ATTRIBUTE_UNUSED)
+{
+ return TRUE;
+}
+
+bfd_boolean
+_bfd_bool_bfd_uint_true (bfd *abfd ATTRIBUTE_UNUSED,
+ unsigned int flags ATTRIBUTE_UNUSED)
+{
+ return TRUE;
+}
+
+bfd_boolean
+_bfd_bool_bfd_asection_bfd_asection_true (bfd *ibfd ATTRIBUTE_UNUSED,
+ asection *isec ATTRIBUTE_UNUSED,
+ bfd *obfd ATTRIBUTE_UNUSED,
+ asection *osec ATTRIBUTE_UNUSED)
+{
+ return TRUE;
+}
+
+bfd_boolean
+_bfd_bool_bfd_asymbol_bfd_asymbol_true (bfd *ibfd ATTRIBUTE_UNUSED,
+ asymbol *isym ATTRIBUTE_UNUSED,
+ bfd *obfd ATTRIBUTE_UNUSED,
+ asymbol *osym ATTRIBUTE_UNUSED)
+{
+ return TRUE;
+}
+
+bfd_boolean
+_bfd_bool_bfd_ptr_true (bfd *abfd ATTRIBUTE_UNUSED,
+ void *ptr ATTRIBUTE_UNUSED)
{
return TRUE;
}
operations which return a pointer value. */
void *
-bfd_nullvoidptr (bfd *ignore ATTRIBUTE_UNUSED)
+_bfd_ptr_bfd_null_error (bfd *ignore ATTRIBUTE_UNUSED)
{
bfd_set_error (bfd_error_invalid_operation);
return NULL;
}
int
-bfd_0 (bfd *ignore ATTRIBUTE_UNUSED)
+_bfd_int_bfd_0 (bfd *ignore ATTRIBUTE_UNUSED)
{
return 0;
}
unsigned int
-bfd_0u (bfd *ignore ATTRIBUTE_UNUSED)
+_bfd_uint_bfd_0 (bfd *ignore ATTRIBUTE_UNUSED)
{
return 0;
}
long
-bfd_0l (bfd *ignore ATTRIBUTE_UNUSED)
+_bfd_long_bfd_0 (bfd *ignore ATTRIBUTE_UNUSED)
{
return 0;
}
operations which return -1 on error. */
long
-_bfd_n1 (bfd *ignore_abfd ATTRIBUTE_UNUSED)
+_bfd_long_bfd_n1_error (bfd *ignore_abfd ATTRIBUTE_UNUSED)
{
bfd_set_error (bfd_error_invalid_operation);
return -1;
}
void
-bfd_void (bfd *ignore ATTRIBUTE_UNUSED)
+_bfd_void_bfd (bfd *ignore ATTRIBUTE_UNUSED)
+{
+}
+
+void
+_bfd_void_bfd_link (bfd *abfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
+{
+}
+
+void
+_bfd_void_bfd_asection (bfd *abfd ATTRIBUTE_UNUSED,
+ asection *sec ATTRIBUTE_UNUSED)
{
}
return 0;
}
+void
+_bfd_norelocs_set_reloc (bfd *abfd ATTRIBUTE_UNUSED,
+ asection *sec ATTRIBUTE_UNUSED,
+ arelent **relptr ATTRIBUTE_UNUSED,
+ unsigned int count ATTRIBUTE_UNUSED)
+{
+ /* Do nothing. */
+}
+
bfd_boolean
_bfd_nocore_core_file_matches_executable_p
(bfd *ignore_core_bfd ATTRIBUTE_UNUSED,
return 0;
}
-const bfd_target *
+bfd_cleanup
_bfd_dummy_target (bfd *ignore_abfd ATTRIBUTE_UNUSED)
{
bfd_set_error (bfd_error_wrong_format);
\f
/* Allocate memory using malloc. */
+#ifndef SSIZE_MAX
+#define SSIZE_MAX ((size_t) -1 >> 1)
+#endif
+
void *
bfd_malloc (bfd_size_type size)
{
if (size != sz
/* This is to pacify memory checkers like valgrind. */
- || ((signed long) sz) < 0)
+ || sz > SSIZE_MAX)
{
bfd_set_error (bfd_error_no_memory);
return NULL;
return ptr;
}
-/* Allocate memory using malloc, nmemb * size with overflow checking. */
-
-void *
-bfd_malloc2 (bfd_size_type nmemb, bfd_size_type size)
-{
- if ((nmemb | size) >= HALF_BFD_SIZE_TYPE
- && size != 0
- && nmemb > ~(bfd_size_type) 0 / size)
- {
- bfd_set_error (bfd_error_no_memory);
- return NULL;
- }
-
- return bfd_malloc (size * nmemb);
-}
-
-/* Reallocate memory using realloc. */
-
void *
bfd_realloc (void *ptr, bfd_size_type size)
{
if (size != sz
/* This is to pacify memory checkers like valgrind. */
- || ((signed long) sz) < 0)
+ || sz > SSIZE_MAX)
{
bfd_set_error (bfd_error_no_memory);
return NULL;
return ret;
}
-/* Reallocate memory using realloc, nmemb * size with overflow checking. */
-
-void *
-bfd_realloc2 (void *ptr, bfd_size_type nmemb, bfd_size_type size)
-{
- if ((nmemb | size) >= HALF_BFD_SIZE_TYPE
- && size != 0
- && nmemb > ~(bfd_size_type) 0 / size)
- {
- bfd_set_error (bfd_error_no_memory);
- return NULL;
- }
-
- return bfd_realloc (ptr, size * nmemb);
-}
-
/* Reallocate memory using realloc.
If this fails the pointer is freed before returning. */
{
void *ret = bfd_realloc (ptr, size);
- if (ret == NULL && ptr != NULL)
+ if (ret == NULL)
free (ptr);
return ret;
return ptr;
}
-/* Allocate memory using malloc (nmemb * size) with overflow checking
- and clear it. */
-
-void *
-bfd_zmalloc2 (bfd_size_type nmemb, bfd_size_type size)
-{
- void *ptr = bfd_malloc2 (nmemb, size);
-
- if (ptr != NULL)
- {
- size_t sz = nmemb * size;
-
- if (sz > 0)
- memset (ptr, 0, sz);
- }
-
- return ptr;
-}
-
/*
INTERNAL_FUNCTION
bfd_write_bigendian_4byte_int
/* FIXME: Should these take a count argument?
Answer (gnu@cygnus.com): No, but perhaps they should be inline
- functions in swap.h #ifdef __GNUC__.
- Gprof them later and find out. */
+ functions in swap.h #ifdef __GNUC__.
+ Gprof them later and find out. */
/*
FUNCTION
.#define bfd_put_signed_8 \
. bfd_put_8
.#define bfd_get_8(abfd, ptr) \
-. (*(const unsigned char *) (ptr) & 0xff)
+. ((bfd_vma) *(const unsigned char *) (ptr) & 0xff)
.#define bfd_get_signed_8(abfd, ptr) \
-. (((*(const unsigned char *) (ptr) & 0xff) ^ 0x80) - 0x80)
+. ((((bfd_signed_vma) *(const unsigned char *) (ptr) & 0xff) ^ 0x80) - 0x80)
.
.#define bfd_put_16(abfd, val, ptr) \
. BFD_SEND (abfd, bfd_putx16, ((val),(ptr)))
.#define bfd_get_signed_16(abfd, ptr) \
. BFD_SEND (abfd, bfd_getx_signed_16, (ptr))
.
+.#define bfd_put_24(abfd, val, ptr) \
+. do \
+. if (bfd_big_endian (abfd)) \
+. bfd_putb24 ((val), (ptr)); \
+. else \
+. bfd_putl24 ((val), (ptr)); \
+. while (0)
+.
+.bfd_vma bfd_getb24 (const void *p);
+.bfd_vma bfd_getl24 (const void *p);
+.
+.#define bfd_get_24(abfd, ptr) \
+. (bfd_big_endian (abfd) ? bfd_getb24 (ptr) : bfd_getl24 (ptr))
+.
.#define bfd_put_32(abfd, val, ptr) \
. BFD_SEND (abfd, bfd_putx32, ((val),(ptr)))
.#define bfd_put_signed_32 \
. BFD_SEND (abfd, bfd_getx_signed_64, (ptr))
.
.#define bfd_get(bits, abfd, ptr) \
-. ((bits) == 8 ? (bfd_vma) bfd_get_8 (abfd, ptr) \
+. ((bits) == 8 ? bfd_get_8 (abfd, ptr) \
. : (bits) == 16 ? bfd_get_16 (abfd, ptr) \
. : (bits) == 32 ? bfd_get_32 (abfd, ptr) \
. : (bits) == 64 ? bfd_get_64 (abfd, ptr) \
.
.#define bfd_put(bits, abfd, val, ptr) \
. ((bits) == 8 ? bfd_put_8 (abfd, val, ptr) \
-. : (bits) == 16 ? bfd_put_16 (abfd, val, ptr) \
-. : (bits) == 32 ? bfd_put_32 (abfd, val, ptr) \
-. : (bits) == 64 ? bfd_put_64 (abfd, val, ptr) \
+. : (bits) == 16 ? bfd_put_16 (abfd, val, ptr) \
+. : (bits) == 32 ? bfd_put_32 (abfd, val, ptr) \
+. : (bits) == 64 ? bfd_put_64 (abfd, val, ptr) \
. : (abort (), (void) 0))
.
*/
addr[1] = (data >> 8) & 0xff;
}
+void
+bfd_putb24 (bfd_vma data, void *p)
+{
+ bfd_byte *addr = (bfd_byte *) p;
+ addr[0] = (data >> 16) & 0xff;
+ addr[1] = (data >> 8) & 0xff;
+ addr[2] = data & 0xff;
+}
+
+void
+bfd_putl24 (bfd_vma data, void *p)
+{
+ bfd_byte *addr = (bfd_byte *) p;
+ addr[0] = data & 0xff;
+ addr[1] = (data >> 8) & 0xff;
+ addr[2] = (data >> 16) & 0xff;
+}
+
+bfd_vma
+bfd_getb24 (const void *p)
+{
+ const bfd_byte *addr = (const bfd_byte *) p;
+ unsigned long v;
+
+ v = (unsigned long) addr[0] << 16;
+ v |= (unsigned long) addr[1] << 8;
+ v |= (unsigned long) addr[2];
+ return v;
+}
+
+bfd_vma
+bfd_getl24 (const void *p)
+{
+ const bfd_byte *addr = (const bfd_byte *) p;
+ unsigned long v;
+
+ v = (unsigned long) addr[0];
+ v |= (unsigned long) addr[1] << 8;
+ v |= (unsigned long) addr[2] << 16;
+ return v;
+}
+
bfd_vma
bfd_getb32 (const void *p)
{
if (section->compress_status != COMPRESS_SECTION_NONE)
{
- (*_bfd_error_handler)
- (_("%B: unable to get decompressed section %A"),
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%pB: unable to get decompressed section %pA"),
abfd, section);
bfd_set_error (bfd_error_invalid_operation);
return FALSE;
else
sz = section->size;
if (offset + count < count
- || offset + count > sz)
+ || offset + count > sz
+ || (abfd->my_archive != NULL
+ && !bfd_is_thin_archive (abfd->my_archive)
+ && ((ufile_ptr) section->filepos + offset + count
+ > arelt_size (abfd))))
{
bfd_set_error (bfd_error_invalid_operation);
return FALSE;
sz = section->rawsize;
else
sz = section->size;
- if (offset + count > sz
+ if (offset + count < count
+ || offset + count > sz
+ || (abfd->my_archive != NULL
+ && !bfd_is_thin_archive (abfd->my_archive)
+ && ((ufile_ptr) section->filepos + offset + count
+ > arelt_size (abfd)))
|| ! bfd_get_file_window (abfd, section->filepos + offset, count, w,
TRUE))
return FALSE;
return name[0] == locals_prefix;
}
-/* Can be used from / for bfd_merge_private_bfd_data to check that
- endianness matches between input and output file. Returns
- TRUE for a match, otherwise returns FALSE and emits an error. */
-bfd_boolean
-_bfd_generic_verify_endian_match (bfd *ibfd, bfd *obfd)
-{
- if (ibfd->xvec->byteorder != obfd->xvec->byteorder
- && ibfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN
- && obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN)
- {
- const char *msg;
-
- if (bfd_big_endian (ibfd))
- msg = _("%B: compiled for a big endian system and target is little endian");
- else
- msg = _("%B: compiled for a little endian system and target is big endian");
-
- (*_bfd_error_handler) (msg, ibfd);
-
- bfd_set_error (bfd_error_wrong_format);
- return FALSE;
- }
-
- return TRUE;
-}
-
/* Give a warning at runtime if someone compiles code which calls
old routines. */
void
-warn_deprecated (const char *what,
- const char *file,
- int line,
- const char *func)
+_bfd_warn_deprecated (const char *what,
+ const char *file,
+ int line,
+ const char *func)
{
/* Poor man's tracking of functions we've already warned about. */
static size_t mask = 0;
/* Note: separate sentences in order to allow
for translation into other languages. */
if (func)
+ /* xgettext:c-format */
fprintf (stderr, _("Deprecated %s called at %s line %d in %s\n"),
what, file, line, func);
else
/* Helper function for reading uleb128 encoded data. */
bfd_vma
-read_unsigned_leb128 (bfd *abfd ATTRIBUTE_UNUSED,
- bfd_byte *buf,
- unsigned int *bytes_read_ptr)
+_bfd_read_unsigned_leb128 (bfd *abfd ATTRIBUTE_UNUSED,
+ bfd_byte *buf,
+ unsigned int *bytes_read_ptr)
{
bfd_vma result;
unsigned int num_read;
No bytes will be read at address END or beyond. */
bfd_vma
-safe_read_leb128 (bfd *abfd ATTRIBUTE_UNUSED,
- bfd_byte *data,
- unsigned int *length_return,
- bfd_boolean sign,
- const bfd_byte * const end)
+_bfd_safe_read_leb128 (bfd *abfd ATTRIBUTE_UNUSED,
+ bfd_byte *data,
+ unsigned int *length_return,
+ bfd_boolean sign,
+ const bfd_byte * const end)
{
bfd_vma result = 0;
unsigned int num_read = 0;
*length_return = num_read;
if (sign && (shift < 8 * sizeof (result)) && (byte & 0x40))
- result |= (bfd_vma) -1 << shift;
+ result |= -((bfd_vma) 1 << shift);
return result;
}
/* Helper function for reading sleb128 encoded data. */
bfd_signed_vma
-read_signed_leb128 (bfd *abfd ATTRIBUTE_UNUSED,
- bfd_byte *buf,
- unsigned int *bytes_read_ptr)
+_bfd_read_signed_leb128 (bfd *abfd ATTRIBUTE_UNUSED,
+ bfd_byte *buf,
+ unsigned int *bytes_read_ptr)
{
bfd_vma result;
unsigned int shift;
projects / thirdparty / binutils-gdb.git / blobdiff