class General_options;
class Object;
class Relobj;
-class Read_relocs_data;
+struct Read_relocs_data;
class Symbol;
class Layout;
class Output_data;
{
public:
// Sign extend an n-bit unsigned integer stored in a uint32_t into
- // an int32_t. BITS must be between 0 and 32.
+ // an int32_t. BITS must be between 1 and 32.
static inline int32_t
sign_extend32(uint32_t val)
{
- gold_assert(bits >= 0 && bits <= 32);
+ gold_assert(bits > 0 && bits <= 32);
if (bits == 32)
return static_cast<int32_t>(val);
uint32_t mask = (~static_cast<uint32_t>(0)) >> (32 - bits);
static inline bool
has_overflow32(uint32_t val)
{
- gold_assert(bits >= 0 && bits <= 32);
+ gold_assert(bits > 0 && bits <= 32);
if (bits == 32)
return false;
int32_t max = (1 << (bits - 1)) - 1;
static inline bool
has_signed_unsigned_overflow32(uint32_t val)
{
- gold_assert(bits >= 0 && bits <= 32);
+ gold_assert(bits > 0 && bits <= 32);
if (bits == 32)
return false;
int32_t max = static_cast<int32_t>((1U << bits) - 1);
{ return (a & ~mask) | (b & mask); }
// Sign extend an n-bit unsigned integer stored in a uint64_t into
- // an int64_t. BITS must be between 0 and 64.
+ // an int64_t. BITS must be between 1 and 64.
static inline int64_t
sign_extend(uint64_t val)
{
- gold_assert(bits >= 0 && bits <= 64);
+ gold_assert(bits > 0 && bits <= 64);
if (bits == 64)
return static_cast<int64_t>(val);
uint64_t mask = (~static_cast<uint64_t>(0)) >> (64 - bits);
static inline bool
has_overflow(uint64_t val)
{
- gold_assert(bits >= 0 && bits <= 64);
+ gold_assert(bits > 0 && bits <= 64);
if (bits == 64)
return false;
int64_t max = (static_cast<int64_t>(1) << (bits - 1)) - 1;
static inline bool
has_signed_unsigned_overflow64(uint64_t val)
{
- gold_assert(bits >= 0 && bits <= 64);
+ gold_assert(bits > 0 && bits <= 64);
if (bits == 64)
return false;
int64_t max = static_cast<int64_t>((static_cast<uint64_t>(1) << bits) - 1);
int
advance(off_t offset);
+ // Checkpoint the current position in the reloc section.
+ section_size_type
+ checkpoint() const
+ { return this->pos_; }
+
+ // Reset the position to CHECKPOINT.
+ void
+ reset(section_size_type checkpoint)
+ { this->pos_ = checkpoint; }
+
private:
// The contents of the input object's reloc section.
const unsigned char* prelocs_;