/* Assorted BFD support routines, only used internally.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004, 2005, 2007
+ 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009
Free Software Foundation, Inc.
Written by Cygnus Support.
return ret;
}
+/* Reallocate memory using realloc.
+ If this fails the pointer is freed before returning. */
+
+void *
+bfd_realloc_or_free (void *ptr, bfd_size_type size)
+{
+ size_t amount = (size_t) size;
+ void *ret;
+
+ if (size != amount)
+ ret = NULL;
+ else if (ptr == NULL)
+ ret = malloc (amount);
+ else
+ ret = realloc (ptr, amount);
+
+ if (ret == NULL)
+ {
+ if (amount > 0)
+ bfd_set_error (bfd_error_no_memory);
+
+ if (ptr != NULL)
+ free (ptr);
+ }
+
+ return ret;
+}
+
/* Allocate memory using malloc and clear it. */
void *
bfd_vma
bfd_getb16 (const void *p)
{
- const bfd_byte *addr = p;
+ const bfd_byte *addr = (const bfd_byte *) p;
return (addr[0] << 8) | addr[1];
}
bfd_vma
bfd_getl16 (const void *p)
{
- const bfd_byte *addr = p;
+ const bfd_byte *addr = (const bfd_byte *) p;
return (addr[1] << 8) | addr[0];
}
bfd_signed_vma
bfd_getb_signed_16 (const void *p)
{
- const bfd_byte *addr = p;
+ const bfd_byte *addr = (const bfd_byte *) p;
return COERCE16 ((addr[0] << 8) | addr[1]);
}
bfd_signed_vma
bfd_getl_signed_16 (const void *p)
{
- const bfd_byte *addr = p;
+ const bfd_byte *addr = (const bfd_byte *) p;
return COERCE16 ((addr[1] << 8) | addr[0]);
}
void
bfd_putb16 (bfd_vma data, void *p)
{
- bfd_byte *addr = p;
+ bfd_byte *addr = (bfd_byte *) p;
addr[0] = (data >> 8) & 0xff;
addr[1] = data & 0xff;
}
void
bfd_putl16 (bfd_vma data, void *p)
{
- bfd_byte *addr = p;
+ bfd_byte *addr = (bfd_byte *) p;
addr[0] = data & 0xff;
addr[1] = (data >> 8) & 0xff;
}
bfd_vma
bfd_getb32 (const void *p)
{
- const bfd_byte *addr = p;
+ const bfd_byte *addr = (const bfd_byte *) p;
unsigned long v;
v = (unsigned long) addr[0] << 24;
bfd_vma
bfd_getl32 (const void *p)
{
- const bfd_byte *addr = p;
+ const bfd_byte *addr = (const bfd_byte *) p;
unsigned long v;
v = (unsigned long) addr[0];
bfd_signed_vma
bfd_getb_signed_32 (const void *p)
{
- const bfd_byte *addr = p;
+ const bfd_byte *addr = (const bfd_byte *) p;
unsigned long v;
v = (unsigned long) addr[0] << 24;
bfd_signed_vma
bfd_getl_signed_32 (const void *p)
{
- const bfd_byte *addr = p;
+ const bfd_byte *addr = (const bfd_byte *) p;
unsigned long v;
v = (unsigned long) addr[0];
bfd_getb64 (const void *p ATTRIBUTE_UNUSED)
{
#ifdef BFD_HOST_64_BIT
- const bfd_byte *addr = p;
+ const bfd_byte *addr = (const bfd_byte *) p;
bfd_uint64_t v;
v = addr[0]; v <<= 8;
bfd_getl64 (const void *p ATTRIBUTE_UNUSED)
{
#ifdef BFD_HOST_64_BIT
- const bfd_byte *addr = p;
+ const bfd_byte *addr = (const bfd_byte *) p;
bfd_uint64_t v;
v = addr[7]; v <<= 8;
bfd_getb_signed_64 (const void *p ATTRIBUTE_UNUSED)
{
#ifdef BFD_HOST_64_BIT
- const bfd_byte *addr = p;
+ const bfd_byte *addr = (const bfd_byte *) p;
bfd_uint64_t v;
v = addr[0]; v <<= 8;
bfd_getl_signed_64 (const void *p ATTRIBUTE_UNUSED)
{
#ifdef BFD_HOST_64_BIT
- const bfd_byte *addr = p;
+ const bfd_byte *addr = (const bfd_byte *) p;
bfd_uint64_t v;
v = addr[7]; v <<= 8;
void
bfd_putb32 (bfd_vma data, void *p)
{
- bfd_byte *addr = p;
+ bfd_byte *addr = (bfd_byte *) p;
addr[0] = (data >> 24) & 0xff;
addr[1] = (data >> 16) & 0xff;
addr[2] = (data >> 8) & 0xff;
void
bfd_putl32 (bfd_vma data, void *p)
{
- bfd_byte *addr = p;
+ bfd_byte *addr = (bfd_byte *) p;
addr[0] = data & 0xff;
addr[1] = (data >> 8) & 0xff;
addr[2] = (data >> 16) & 0xff;
bfd_putb64 (bfd_uint64_t data ATTRIBUTE_UNUSED, void *p ATTRIBUTE_UNUSED)
{
#ifdef BFD_HOST_64_BIT
- bfd_byte *addr = p;
+ bfd_byte *addr = (bfd_byte *) p;
addr[0] = (data >> (7*8)) & 0xff;
addr[1] = (data >> (6*8)) & 0xff;
addr[2] = (data >> (5*8)) & 0xff;
bfd_putl64 (bfd_uint64_t data ATTRIBUTE_UNUSED, void *p ATTRIBUTE_UNUSED)
{
#ifdef BFD_HOST_64_BIT
- bfd_byte *addr = p;
+ bfd_byte *addr = (bfd_byte *) p;
addr[7] = (data >> (7*8)) & 0xff;
addr[6] = (data >> (6*8)) & 0xff;
addr[5] = (data >> (5*8)) & 0xff;
void
bfd_put_bits (bfd_uint64_t data, void *p, int bits, bfd_boolean big_p)
{
- bfd_byte *addr = p;
+ bfd_byte *addr = (bfd_byte *) p;
int i;
int bytes;
bytes = bits / 8;
for (i = 0; i < bytes; i++)
{
- int index = big_p ? bytes - i - 1 : i;
+ int addr_index = big_p ? bytes - i - 1 : i;
- addr[index] = data & 0xff;
+ addr[addr_index] = data & 0xff;
data >>= 8;
}
}
bfd_uint64_t
bfd_get_bits (const void *p, int bits, bfd_boolean big_p)
{
- const bfd_byte *addr = p;
+ const bfd_byte *addr = (const bfd_byte *) p;
bfd_uint64_t data;
int i;
int bytes;
bytes = bits / 8;
for (i = 0; i < bytes; i++)
{
- int index = big_p ? i : bytes - i - 1;
+ int addr_index = big_p ? i : bytes - i - 1;
- data = (data << 8) | addr[index];
+ data = (data << 8) | addr[addr_index];
}
return data;