/* Assorted BFD support routines, only used internally.
- Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
+ Copyright 1990, 91, 92, 93, 94 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
completeness.
*/
-/*ARGSUSED*/
-boolean
-DEFUN(_bfd_dummy_new_section_hook,(ignore, ignore_newsect),
- bfd *ignore AND
- asection *ignore_newsect)
-{
- return true;
-}
+/* A routine which is used in target vectors for unsupported
+ operations. */
/*ARGSUSED*/
boolean
-DEFUN(bfd_false ,(ignore),
- bfd *ignore)
+bfd_false (ignore)
+ bfd *ignore;
{
+ bfd_set_error (bfd_error_invalid_operation);
return false;
}
+/* A routine which is used in target vectors for supported operations
+ which do not actually do anything. */
+
/*ARGSUSED*/
boolean
-DEFUN(bfd_true,(ignore),
- bfd *ignore)
+bfd_true (ignore)
+ bfd *ignore;
{
return true;
}
+/* A routine which is used in target vectors for unsupported
+ operations which return a pointer value. */
+
/*ARGSUSED*/
PTR
-DEFUN(bfd_nullvoidptr,(ignore),
- bfd *ignore)
+bfd_nullvoidptr (ignore)
+ bfd *ignore;
{
- return (PTR)NULL;
+ bfd_set_error (bfd_error_invalid_operation);
+ return NULL;
}
/*ARGSUSED*/
int
-DEFUN(bfd_0,(ignore),
- bfd *ignore)
+bfd_0 (ignore)
+ bfd *ignore;
{
return 0;
}
/*ARGSUSED*/
unsigned int
-DEFUN(bfd_0u,(ignore),
- bfd *ignore)
+bfd_0u (ignore)
+ bfd *ignore;
{
return 0;
}
+/*ARGUSED*/
+long
+bfd_0l (ignore)
+ bfd *ignore;
+{
+ return 0;
+}
+
+/* A routine which is used in target vectors for unsupported
+ operations which return -1 on error. */
+
+/*ARGSUSED*/
+long
+_bfd_n1 (ignore_abfd)
+ bfd *ignore_abfd;
+{
+ bfd_set_error (bfd_error_invalid_operation);
+ return -1;
+}
+
/*ARGSUSED*/
void
-DEFUN(bfd_void,(ignore),
- bfd *ignore)
+bfd_void (ignore)
+ bfd *ignore;
{
}
/*ARGSUSED*/
boolean
-DEFUN(_bfd_dummy_core_file_matches_executable_p,(ignore_core_bfd, ignore_exec_bfd),
- bfd *ignore_core_bfd AND
- bfd *ignore_exec_bfd)
+_bfd_nocore_core_file_matches_executable_p (ignore_core_bfd, ignore_exec_bfd)
+ bfd *ignore_core_bfd;
+ bfd *ignore_exec_bfd;
{
- bfd_error = invalid_operation;
+ bfd_set_error (bfd_error_invalid_operation);
return false;
}
-/* of course you can't initialize a function to be the same as another, grr */
+/* Routine to handle core_file_failing_command entry point for targets
+ without core file support. */
/*ARGSUSED*/
char *
-DEFUN(_bfd_dummy_core_file_failing_command,(ignore_abfd),
- bfd *ignore_abfd)
+_bfd_nocore_core_file_failing_command (ignore_abfd)
+ bfd *ignore_abfd;
{
+ bfd_set_error (bfd_error_invalid_operation);
return (char *)NULL;
}
+/* Routine to handle core_file_failing_signal entry point for targets
+ without core file support. */
+
/*ARGSUSED*/
int
-DEFUN(_bfd_dummy_core_file_failing_signal,(ignore_abfd),
- bfd *ignore_abfd)
+_bfd_nocore_core_file_failing_signal (ignore_abfd)
+ bfd *ignore_abfd;
{
+ bfd_set_error (bfd_error_invalid_operation);
return 0;
}
/*ARGSUSED*/
bfd_target *
-DEFUN(_bfd_dummy_target,(ignore_abfd),
- bfd *ignore_abfd)
+_bfd_dummy_target (ignore_abfd)
+ bfd *ignore_abfd;
{
return 0;
}
\f
-/** zalloc -- allocate and clear storage */
+#ifndef bfd_zmalloc
+/* allocate and clear storage */
-#ifndef zalloc
char *
-DEFUN(zalloc,(size),
- bfd_size_type size)
+bfd_zmalloc (size)
+ bfd_size_type size;
{
- char *ptr = (char *) malloc ((size_t)size);
-
- if ((ptr != NULL) && (size != 0))
- memset(ptr,0, (size_t) size);
-
- return ptr;
-}
-#endif
+ char *ptr = (char *) malloc ((size_t) size);
-/*
-INTERNAL_FUNCTION
- bfd_xmalloc
-
-SYNOPSIS
- PTR bfd_xmalloc (bfd_size_type size);
+ if (ptr && size)
+ memset(ptr, 0, (size_t) size);
-DESCRIPTION
- Like <<malloc>>, but exit if no more memory.
-
-*/
-
-/** There is major inconsistency in how running out of memory is handled.
- Some routines return a NULL, and set bfd_error to no_memory.
- However, obstack routines can't do this ... */
-
-
-DEFUN(PTR bfd_xmalloc,(size),
- bfd_size_type size)
-{
- static CONST char no_memory_message[] = "Virtual memory exhausted!\n";
- PTR ptr;
- if (size == 0) size = 1;
- ptr = (PTR)malloc((size_t) size);
- if (!ptr)
- {
- write (2, no_memory_message, sizeof(no_memory_message)-1);
- exit (1);
- }
return ptr;
}
-
-/*
-INTERNAL_FUNCTION
- bfd_xmalloc_by_size_t
-
-SYNOPSIS
- PTR bfd_xmalloc_by_size_t (size_t size);
-
-DESCRIPTION
- Like <<malloc>>, but exit if no more memory.
- Uses <<size_t>>, so it's suitable for use as <<obstack_chunk_alloc>>.
- */
-PTR
-DEFUN(bfd_xmalloc_by_size_t, (size),
- size_t size)
-{
- return bfd_xmalloc ((bfd_size_type) size);
-}
+#endif /* bfd_zmalloc */
\f
/* Some IO code */
first octet in the file, NOT the beginning of the archive header. */
static
-int DEFUN(real_read,(where, a,b, file),
- PTR where AND
- int a AND
- int b AND
- FILE *file)
+int
+real_read (where, a,b, file)
+ PTR where;
+ int a;
+ int b;
+ FILE *file;
{
return fread(where, a,b,file);
}
+
+/* Return value is amount read (FIXME: how are errors and end of file dealt
+ with? We never call bfd_set_error, which is probably a mistake). */
+
bfd_size_type
-DEFUN(bfd_read,(ptr, size, nitems, abfd),
- PTR ptr AND
- bfd_size_type size AND
- bfd_size_type nitems AND
- bfd *abfd)
+bfd_read (ptr, size, nitems, abfd)
+ PTR ptr;
+ bfd_size_type size;
+ bfd_size_type nitems;
+ bfd *abfd;
{
int nread;
nread = real_read (ptr, 1, (int)(size*nitems), bfd_cache_lookup(abfd));
if (nread > 0)
abfd->where += nread;
#endif
+
+ /* Set bfd_error if we did not read as much data as we expected.
+
+ If the read failed due to an error set the bfd_error_system_call,
+ else set bfd_error_file_truncated.
+
+ A BFD backend may wish to override bfd_error_file_truncated to
+ provide something more useful (eg. no_symbols or wrong_format). */
+ if (nread < (int)(size * nitems))
+ {
+ if (ferror (bfd_cache_lookup (abfd)))
+ bfd_set_error (bfd_error_system_call);
+ else
+ bfd_set_error (bfd_error_file_truncated);
+ }
+
return nread;
}
if (nwrote >= 0)
errno = ENOSPC;
#endif
- bfd_error = system_call_error;
+ bfd_set_error (bfd_error_system_call);
}
return nwrote;
}
*/
void
-DEFUN(bfd_write_bigendian_4byte_int,(abfd, i),
- bfd *abfd AND
- int i)
+bfd_write_bigendian_4byte_int (abfd, i)
+ bfd *abfd;
+ int i;
{
bfd_byte buffer[4];
bfd_putb32(i, buffer);
- bfd_write((PTR)buffer, 4, 1, abfd);
+ if (bfd_write((PTR)buffer, 4, 1, abfd) != 4)
+ abort ();
}
long
-DEFUN(bfd_tell,(abfd),
- bfd *abfd)
+bfd_tell (abfd)
+ bfd *abfd;
{
file_ptr ptr;
}
int
-DEFUN(bfd_flush,(abfd),
- bfd *abfd)
+bfd_flush (abfd)
+ bfd *abfd;
{
return fflush (bfd_cache_lookup(abfd));
}
int
-DEFUN(bfd_stat,(abfd, statbuf),
- bfd *abfd AND
- struct stat *statbuf)
+bfd_stat (abfd, statbuf)
+ bfd *abfd;
+ struct stat *statbuf;
{
return fstat (fileno(bfd_cache_lookup(abfd)), statbuf);
}
+/* Returns 0 for success, nonzero for failure (in which case bfd_get_error
+ can retrieve the error code). */
+
int
-DEFUN(bfd_seek,(abfd, position, direction),
- bfd * CONST abfd AND
- CONST file_ptr position AND
- CONST int direction)
+bfd_seek (abfd, position, direction)
+ bfd * CONST abfd;
+ CONST file_ptr position;
+ CONST int direction;
{
int result;
FILE *f;
{
/* Force redetermination of `where' field. */
bfd_tell (abfd);
- bfd_error = system_call_error;
+ bfd_set_error (bfd_error_system_call);
}
else
{
table_length). Updates free_ptr, table, table_length */
boolean
-DEFUN(bfd_add_to_string_table,(table, new_string, table_length, free_ptr),
- char **table AND
- char *new_string AND
- unsigned int *table_length AND
- char **free_ptr)
+bfd_add_to_string_table (table, new_string, table_length, free_ptr)
+ char **table;
+ char *new_string;
+ unsigned int *table_length;
+ char **free_ptr;
{
size_t string_length = strlen (new_string) + 1; /* include null here */
char *base = *table;
if (base == NULL) {
/* Avoid a useless regrow if we can (but of course we still
- take it next time */
+ take it next time). */
space_length = (string_length < DEFAULT_STRING_SPACE_SIZE ?
DEFAULT_STRING_SPACE_SIZE : string_length+1);
- base = zalloc ((bfd_size_type) space_length);
+ base = bfd_zmalloc ((bfd_size_type) space_length);
if (base == NULL) {
- bfd_error = no_memory;
+ bfd_set_error (bfd_error_no_memory);
return false;
}
}
base = (char *) realloc (base, space_length);
if (base == NULL) {
- bfd_error = no_memory;
+ bfd_set_error (bfd_error_no_memory);
return false;
}
/* Sign extension to bfd_signed_vma. */
#define COERCE16(x) (((bfd_signed_vma) (x) ^ 0x8000) - 0x8000)
#define COERCE32(x) (((bfd_signed_vma) (x) ^ 0x80000000) - 0x80000000)
-#define EIGHT_GAZILLION (((HOST_64_BIT)0x80000000) << 32)
+#define EIGHT_GAZILLION (((BFD_HOST_64_BIT)0x80000000) << 32)
#define COERCE64(x) \
(((bfd_signed_vma) (x) ^ EIGHT_GAZILLION) - EIGHT_GAZILLION)
bfd_vma
-DEFUN(bfd_getb16,(addr),
- register bfd_byte *addr)
+bfd_getb16 (addr)
+ register const bfd_byte *addr;
{
- return (addr[0] << 8) | addr[1];
+ return (addr[0] << 8) | addr[1];
}
bfd_vma
-DEFUN(bfd_getl16,(addr),
- register bfd_byte *addr)
+bfd_getl16 (addr)
+ register const bfd_byte *addr;
{
- return (addr[1] << 8) | addr[0];
+ return (addr[1] << 8) | addr[0];
}
bfd_signed_vma
-DEFUN(bfd_getb_signed_16,(addr),
- register bfd_byte *addr)
+bfd_getb_signed_16 (addr)
+ register const bfd_byte *addr;
{
- return COERCE16((addr[0] << 8) | addr[1]);
+ return COERCE16((addr[0] << 8) | addr[1]);
}
bfd_signed_vma
-DEFUN(bfd_getl_signed_16,(addr),
- register bfd_byte *addr)
+bfd_getl_signed_16 (addr)
+ register const bfd_byte *addr;
{
- return COERCE16((addr[1] << 8) | addr[0]);
+ return COERCE16((addr[1] << 8) | addr[0]);
}
void
-DEFUN(bfd_putb16,(data, addr),
- bfd_vma data AND
- register bfd_byte *addr)
+bfd_putb16 (data, addr)
+ bfd_vma data;
+ register bfd_byte *addr;
{
- addr[0] = (bfd_byte)(data >> 8);
- addr[1] = (bfd_byte )data;
+ addr[0] = (bfd_byte)(data >> 8);
+ addr[1] = (bfd_byte )data;
}
void
-DEFUN(bfd_putl16,(data, addr),
- bfd_vma data AND
- register bfd_byte *addr)
+bfd_putl16 (data, addr)
+ bfd_vma data;
+ register bfd_byte *addr;
{
- addr[0] = (bfd_byte )data;
- addr[1] = (bfd_byte)(data >> 8);
+ addr[0] = (bfd_byte )data;
+ addr[1] = (bfd_byte)(data >> 8);
}
bfd_vma
bfd_getb32 (addr)
- register bfd_byte *addr;
+ register const bfd_byte *addr;
{
- return (((((bfd_vma)addr[0] << 8) | addr[1]) << 8)
- | addr[2]) << 8 | addr[3];
+ return (((((bfd_vma)addr[0] << 8) | addr[1]) << 8)
+ | addr[2]) << 8 | addr[3];
}
bfd_vma
bfd_getl32 (addr)
- register bfd_byte *addr;
+ register const bfd_byte *addr;
{
- return (((((bfd_vma)addr[3] << 8) | addr[2]) << 8)
- | addr[1]) << 8 | addr[0];
+ return (((((bfd_vma)addr[3] << 8) | addr[2]) << 8)
+ | addr[1]) << 8 | addr[0];
}
bfd_signed_vma
bfd_getb_signed_32 (addr)
- register bfd_byte *addr;
+ register const bfd_byte *addr;
{
- return COERCE32((((((bfd_vma)addr[0] << 8) | addr[1]) << 8)
- | addr[2]) << 8 | addr[3]);
+ return COERCE32((((((bfd_vma)addr[0] << 8) | addr[1]) << 8)
+ | addr[2]) << 8 | addr[3]);
}
bfd_signed_vma
bfd_getl_signed_32 (addr)
- register bfd_byte *addr;
+ register const bfd_byte *addr;
{
- return COERCE32((((((bfd_vma)addr[3] << 8) | addr[2]) << 8)
- | addr[1]) << 8 | addr[0]);
+ return COERCE32((((((bfd_vma)addr[3] << 8) | addr[2]) << 8)
+ | addr[1]) << 8 | addr[0]);
}
bfd_vma
-DEFUN(bfd_getb64,(addr),
- register bfd_byte *addr)
+bfd_getb64 (addr)
+ register const bfd_byte *addr;
{
#ifdef BFD64
bfd_vma low, high;
BFD_FAIL();
return 0;
#endif
-
}
bfd_vma
-DEFUN(bfd_getl64,(addr),
- register bfd_byte *addr)
+bfd_getl64 (addr)
+ register const bfd_byte *addr;
{
-
#ifdef BFD64
bfd_vma low, high;
high= (((((((addr[7] << 8) |
}
bfd_signed_vma
-DEFUN(bfd_getb_signed_64,(addr),
- register bfd_byte *addr)
+bfd_getb_signed_64 (addr)
+ register const bfd_byte *addr;
{
#ifdef BFD64
bfd_vma low, high;
BFD_FAIL();
return 0;
#endif
-
}
bfd_signed_vma
-DEFUN(bfd_getl_signed_64,(addr),
- register bfd_byte *addr)
+bfd_getl_signed_64 (addr)
+ register const bfd_byte *addr;
{
-
#ifdef BFD64
bfd_vma low, high;
high= (((((((addr[7] << 8) |
BFD_FAIL();
return 0;
#endif
-
}
void
-DEFUN(bfd_putb32,(data, addr),
- bfd_vma data AND
- register bfd_byte *addr)
+bfd_putb32 (data, addr)
+ bfd_vma data;
+ register bfd_byte *addr;
{
addr[0] = (bfd_byte)(data >> 24);
addr[1] = (bfd_byte)(data >> 16);
}
void
-DEFUN(bfd_putl32,(data, addr),
- bfd_vma data AND
- register bfd_byte *addr)
+bfd_putl32 (data, addr)
+ bfd_vma data;
+ register bfd_byte *addr;
{
addr[0] = (bfd_byte)data;
addr[1] = (bfd_byte)(data >> 8);
addr[2] = (bfd_byte)(data >> 16);
addr[3] = (bfd_byte)(data >> 24);
}
+
void
-DEFUN(bfd_putb64,(data, addr),
- bfd_vma data AND
- register bfd_byte *addr)
+bfd_putb64 (data, addr)
+ bfd_vma data;
+ register bfd_byte *addr;
{
#ifdef BFD64
addr[0] = (bfd_byte)(data >> (7*8));
#else
BFD_FAIL();
#endif
-
}
void
-DEFUN(bfd_putl64,(data, addr),
- bfd_vma data AND
- register bfd_byte *addr)
+bfd_putl64 (data, addr)
+ bfd_vma data;
+ register bfd_byte *addr;
{
#ifdef BFD64
addr[7] = (bfd_byte)(data >> (7*8));
#else
BFD_FAIL();
#endif
-
}
-
\f
/* Default implementation */
boolean
-DEFUN(bfd_generic_get_section_contents, (abfd, section, location, offset, count),
- bfd *abfd AND
- sec_ptr section AND
- PTR location AND
- file_ptr offset AND
- bfd_size_type count)
+_bfd_generic_get_section_contents (abfd, section, location, offset, count)
+ bfd *abfd;
+ sec_ptr section;
+ PTR location;
+ file_ptr offset;
+ bfd_size_type count;
{
if (count == 0)
return true;
in read-write files, though. See other set_section_contents functions
to see why it doesn't work for new sections. */
boolean
-bfd_generic_set_section_contents (abfd, section, location, offset, count)
+_bfd_generic_set_section_contents (abfd, section, location, offset, count)
bfd *abfd;
sec_ptr section;
PTR location;
if (count == 0)
return true;
- if (offset + count > bfd_get_section_size_after_reloc (section))
- {
- bfd_error = bad_value;
- return false;
- }
-
if (bfd_seek (abfd, (file_ptr) (section->filepos + offset), SEEK_SET) == -1
|| bfd_write (location, (bfd_size_type) 1, count, abfd) != count)
return false;
result++;
return result;
}
+
+boolean
+bfd_generic_is_local_label (abfd, sym)
+ bfd *abfd;
+ asymbol *sym;
+{
+ char locals_prefix = (bfd_get_symbol_leading_char (abfd) == '_') ? 'L' : '.';
+
+ return (sym->name[0] == locals_prefix);
+}
+
projects / deliverable / binutils-gdb.git / blobdiff