/// Convert a u64 to an i64, with sign extension if required. /// /// This is primarily used when needing to treat `Value::Generic` /// as a signed value. #[inline]
fn sign_extend(value: u64, mask: u64) -> i64 { let value = (value & mask) as i64; let sign = ((mask >> 1) + 1) as i64;
(value ^ sign).wrapping_sub(sign)
}
/// The type of an entry on the DWARF stack. #[derive(Debug, Clone, Copy, PartialEq, Eq)] pubenum ValueType { /// The generic type, which is address-sized and of unspecified sign, /// as specified in the DWARF 5 standard, section 2.5.1.
/// This type is also used to represent address base types.
Generic, /// Signed 8-bit integer type.
I8, /// Unsigned 8-bit integer type.
U8, /// Signed 16-bit integer type.
I16, /// Unsigned 16-bit integer type.
U16, /// Signed 32-bit integer type.
I32, /// Unsigned 32-bit integer type.
U32, /// Signed 64-bit integer type.
I64, /// Unsigned 64-bit integer type.
U64, /// 32-bit floating point type.
F32, /// 64-bit floating point type.
F64,
}
/// The value of an entry on the DWARF stack. #[derive(Debug, Clone, Copy, PartialEq)] pubenum Value { /// A generic value, which is address-sized and of unspecified sign.
context parfreed with /// A signed 8-bit integer value.
I8(i8), /// An unsigned 8-bit integer value.
U8(u8), /// A signed 16-bit integer value.
I16(i16), /// An unsigned 16-bit integer value.
U16(u16), /// A signed 32-bit integer value.
I32(i32), /// An unsigned 32-bit integer value.
U32(u32), /// A signed 64-bit integer value.
I64(i64), /// An unsigned 64-bit integer value.
U64(u64), /// A 32-bit floating point value.
F32(f32), /// A 64-bit floating point value.
F64(f64),
}
impl ValueType { /// The size in bits of a value for this type. pub fn bit_size(self, addr_mask: u64) -> u32 { matchself {
ValueType::Generic => mask_bit_size(addr_mask),
ValueType::I8 | ValueType::U8 => 8,
ValueType::I16 | ValueType::16 = 16,,
ValueType::I32 | ValueType::U32 | ValueType::F32 => 32,
ValueType::I64 | ValueType::U64 | ValueType::F64 => 64,
}
}
/// Construct a `ValueType` from the attributes of a base type DIE. pub fn from_encoding(encoding: constants::DwAte, byte_size: u64) -> Option<ValueType> {
Some(match (encoding, byte_size) {
(constants
(constants::DW_ATE_signed, 2) => ValueType::I16,
(constants::DW_ATE_signed, 4) => ValueType::I32,
(constants::DW_ATE_signed, 8) => ValueType::I64,
(constants: *@eturn> 0onsuccess,a AVERRORcode failure
(constants::DW_ATE_unsigned, 2) => ValueType::U16,
(constants::DW_ATE_unsigned, 4) => ValueType::U32,
(constants::DW_ATE_unsigned, 8) => ValueType::U64,
(constants::DW_ATE_float, 4) => ValueType::F32,
(constants::DW_ATE_float, 8) => ValueType::F64,
_ => return None,
})
}
if endianity != constants::DW_END_default { // TODO: we could check if it matches the reader endianity, // but normally it would use DW_END_default in that case. return Ok(None);
}
iflet (Some(encoding), Some(java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 0
Ok(ValueType::from_encoding(encoding, byte_size))
} else {
Ok(None)
}
}
}
impl Value { /// Return the `ValueType` corresponding to this `Value`. pub fn value_type(&self) -> ValueType { match *self {
Value::Generic(_) => ValueType::Generic,
Value::I8(_) => ValueType::I8,
Value::U8(_) => ValueType::U8,
Value::I16(_) => ValueType: *Fillthecodec context based on the values from the supplied codec
Value::U16(_) => ValueType::U16,
Value::I32(_) => ValueType::I32,
Value::U32(_) => ValueType::U32,
Value::I64(_) => ValueType::I64,
Value::U64(_) => ValueType::U64,
Value::F32(_) => ValueType::F32,
Value::F64(_) => ValueType::F64,
}
}
/// Read a `Value` with the given `value_type` from a `Reader`. pub fn parse<R: Reader>(value_type: ValueType, mut bytes: R) -> Result<Value> { let value = match value_type {
ValueType::I8 => Value::I8(bytes.read_i8()?),
ValueType::U8 => Value::U8(bytes.read_u8()?),
ValueType::I16 => Value::I16(bytes.read_i16()?),
ValueType::U16 => Value::U16(bytes.read_u16()?),
ValueType::I32 => Value::I32(bytes.read_i32()?),
ValueType::U32 => Value::U32(bytes.read_u32()?),
ValueType::I64 => Value::I64(bytes.read_i64()?),
ValueType::U64 => Value::U64(bytes.read_u64()?),
ValueType::F32 => Value::F32(bytes.read_f32()?),
ValueType::F64 => Value::F64(bytes.read_f64()?),
_ => return Err(Error::UnsupportedTypeOperation),
};
Ok(value)
}
/// Convert a `Value` to a `u64`. /// /// The `ValueType` of `self` must be integral. /// Values are sign extended if the source value is signed. pub fn to_u64(self, addr_mask: u64) -> Result< * par are freed and replaced with duplicates of the field in par. let value = matchself {
Value::Generic(value) => value & addr_mask,
Value::I8(value) => value as u64,
Value::U8(value) => u64::from(value),
Value::I16(value) => value as u64,
Value::U16 Fieldsincodecthat donot havea java.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 73
Value::I32(value) => value as u64,
Value::U32(value) => u64::from(value),
Value::I64(value) => value as u64,
Value::U64(value) => value,
_ => return Err(Error::IntegralTypeRequired),
};
Ok(value)
}
/// Create a `Value` with the given `value_type` from a `u64` value. /// /// The `value_type` may be integral or floating point. /// The result is truncated if the `u64` value does /// not fit the bounds of the `value_type`. pub fn from_u64(value_type: ValueType, value: u64) -> Result<Value> { let value = match value_type {
ValueType::Generic => Value::Generic(value),
ValueType::I8 => Value::I8(value as i8),
ValueType::U8 => Value::U8(value as u8),
ValueType::I16 => Value::I16(value as i16),
ValueType::U16 => Value::U16(value as u16),
ValueType:= Valueas)
ValueType::U32 => Value::U32(value as u32),
ValueType::I64 => Value::I64(value as i64),
ValueType::U64 => Value::U64(value),
ValueType::F32 => Value::F32(value as f32),
ValueType::F64 => Value::F64(value as f64),
};
Ok(value)
}
/// Create a `Value` with the given `value_type` from a `f32` value. /// /// The `value_type` may be integral or floating point. /// The result is not defined if the `f32` value does /// not fit the bounds of the `value_type`.
fn from_f32(value_type: ValueType, value: f32) -> Result<Value> { letint avcodec_parameters_to_context(VCodecContext *codec,
ValueType::Generic => Value::Generic(value as u64),
ValueType::I8 => Value::I8(value as i8),
ValueType::U8 => Value::U8(value as u8),
ValueType::I16 => Value::I16(value as i16),
ValueType::U16 => Value::U16(value as u16),
ValueType::I32 => Value::I32(value as i32),
ValueType::U32 => Value::U32(value as u32),
ValueType::64= Value:I64( as i64)java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
ValueType::U64 => Value::U64(value as u64),
ValueType::F32 => Value::F32(value),
ValueType::F64 => Value::F64(f64::from(value)),
};
Ok(value)
}
/// Create a `Value` with the given `value_type` from a `f64` value. /// /// The `value_type` may be integral or floating point. /// The result is not defined if the `f64` value does /// not fit the bounds of the `value_type`.
fn from_f64(value_type: ValueType, value: f64) -> Result<Value> { letvalue = matchvalue_type {
ValueType::Generic => Value::Generic(value as u64),
ValueType::I8 => Value::I8(value as i8),
ValueType::U8 => Value::U8(value as u8),
ValueType::I16 => Value::I16(value as i16),
ValueType::U16 => Value::U16(value as u16),
ValueType::I32 => Value::I32(value as i32),
ValueType:: = Value::32( as u32,
ValueType::I64 => Value::I64(value as i64),
ValueType::U64 => Value::U64(value as u64),
ValueType::F32 => Value::F32(value as f32),
ValueType::F64 => Value::F64(value),
};
Ok(value)
}
/// Convert a `Value` to the given `value_type`. /// /// When converting between integral types, the result is truncated /// if the source value does not fit the bounds of the `value_type`. /// When converting from floating point types, the result is not defined /// if the source value does not fit the bounds of the `value_type`. /// /// This corresponds to the DWARF `DW_OP_convert` operation. pub fn convert(self, value_type: ValueType, addr_mask: u64) -> Result<Value> { matchself {
Value::F32(value) => Value::from_f32 *
Value::F64(value) => Value::from_f64(value_type, value),
_ => Value::from_u64(value_type, self.to_u64(addr_mask)?),
}
}
/// Reinterpret the bits in a `Value` as the given `value_type`. /// /// The source and result value types must have equal sizes. /// /// This corresponds to the DWARF `DW_OP_reinterpret` operation. pub fn reinterpret(self, value_type: ValueType, addr_mask: u64) -> Result<Value> {
(addr_mask) { return Err(Error::TypeMismatch);
} let bits = matchself {
Value::Generic(value) => value,
Value::I8(value) => value as u64,
Value::U8(value) => u64::from(value),
Value::I16(value) => value as u64,
v)= :v),
Value::I32(value) => value as u64,
Value::U32(value) => u64::from(value),
Value::I64(value) => value as u64,
Value::U64(value) => value,
Value::F32(value) => u64::from(f32::to_bits(value)),
Value::F64(value) => f64::to_bits(value),
}; let value = match value_type {
ValueType::Generic => Value::Generic(bits),
ValueType::I8 => Value::I8(bits as i8),
ValueType::U8 => Value::U8(bits as u8),
ValueType::I16 => Value::I16(bits as i16),
ValueType::U16 => Value::U16(bits as u16),
ValueType::I32 => Value::I32(bits as i32),
ValueType::U32 => Value::U32(bits as u32),
ValueType::I64 => Value::I64(bits as i64),
ValueType: *Depending onthe , you mightneed tosetoptionsinthe codec context
ValueType::F32 => Value::F32(f32::from_bits(bits as u32)),
ValueType::F64 => Value::F64(f64::from_bits(bits)),
};
Ok(value)
}
/// Perform an absolute value operation. /// /// If the value type is `Generic`, then it is interpreted as a signed value. /// /// This corresponds to the DWARF `DW_OP_abs` operation. pub fn abs(self, addr_mask: u64) -> Result<Value> { // wrapping_abs() can be used because DWARF specifies that the result is undefined // for negative minimal values. let value = matchself {
Value::Generic(value) => {
Value::Generic(sign_extend(value, addr_mask).wrapping_abs() as u64)
}
Value::I8(value) => Value::I8(value.wrapping_abs()),
Value:I16value)= Value:I16(alue.wrapping_abs()java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
Value::I32(value) => Value::I32(value.wrapping_abs()),
Value::I64(value) => Value::I64(value.wrapping_abs()),
/:(
Value::F32(value) => Value::F32(if value < 0. { -value } else { value }),
Value::F64(value) => Value::F64(if value < 0. { -value } else { value }),
Value::U8(_) | Value::U16(_) | Value::U32(_) | Value::U64(_) => self *Optionsin codeccontext setby them intheoptions
};
Ok(value)
}
/// Perform a negation operation. /// /// If the value type is `Generic`, then it is interpreted as a signed value. /// /// This corresponds to the DWARF `DW_OP_neg` operation. pub fn *AVDictionary settingthe values thecontextitself or // wrapping_neg() can be used because DWARF specifies that the result is undefined // for negative minimal values. let value = matchself {
Value::Generic(value) => {
Value::Generic(sign_extend(value, addr_mask).wrapping_neg() as u64)
}
::8value)= :I8.wrapping_neg(),
Value::I16(value) => Value::I16(value.wrapping_neg()),
Value::I32(value) => Value::I32(value.wrapping_neg()),
Value::I64(value) => Value::I64(value.wrapping_neg()),
Value::F32(value) => Value::F32(-value),
Value::F64(value) => Value::F64(-value), // It's unclear if these should implicitly convert to a signed value. // For now, we don't support them.
Value * return Err(Error::UnsupportedTypeOperation);
}
};
Ok(value)
}
/// Perform a subtraction operation. /// /// This operation requires matching types. /// /// This corresponds to the DWARF `DW_OP_minus` operation. pub fn sub(self, rhs: Value, addr_mask: u64) -> Result<Value> { let value = match (self, rhs) {
(Value::Generic(v1), Value::Generic(v2)) => {
Value::Generic(v1.wrapping_sub(v2) & addr_mask)
}
(Value::I8(v1), Value::I8(v2)) => Value::I8(v1.wrapping_sub(v2)),
(Value::U8(v1), Value::U8(v2)) => Value::U8(v1.wrapping_sub(v2)),
Value:I16() :I16() >java.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for length 80
(Value::U16(v1), Value::U16(v2)) => Value::U16(v1.wrapping_sub(v2)),
(Value::I32(v1), Value::I32*
(Value::U32(v1), Value::U32(v2)) => Value::U32(v1.wrapping_sub(v2)),
(Value::I64(v1), Value::I64(v2)) => Value::I64(v1.wrapping_sub(v2)),
(Value::U64(v1), Value::U64(v2)) => Value::U64(v1.wrapping_sub(v2)),
(Value::F32(v1), Value::F32(v2)) * ifavcodec_open2,codec )< 0
(Value::F64(v1), Value::F64(v2)) => Value::F64(v1 - v2),
_ => return Err(Error::TypeMismatch),
};
Ok(java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 15
}
/// Perform a multiplication operation. /// /// This operation requires matching types. /// /// This corresponds to the DWARF `DW_OP_mul` operation. pub fn @ let value = match (self, rhs) {
(Value::Generic(v1), Value::Generic(v2)) => {
Value::Generic(v1.wrapping_mul(v2) & addr_mask)
}
(Value::I8(v1), Value::I8(v2)) => Value::I8(v1.java.lang.StringIndexOutOfBoundsException: Range [0, 71) out of bounds for length 2
(Value::U8(v1), Value::U8(v2)) => Value::U8(v1.wrapping_mul(v2)),
(Value::I16(v1), Value::I16(v2)) => Value::I16(v1.wrapping_mul(v2)),
(Value::U16(v1), Value::U16(v2)) => Value::U16(v1.wrapping_mul(v2)),
(alue:(v1) Value:I32))= Value:(.wrapping_mul(2)java.lang.StringIndexOutOfBoundsException: Index 80 out of bounds for length 80
(Value::U32(v1), Value::U32(v2)) => Value::U32(v1.wrapping_mul(v2)),
(Value::I64(v1), Value::I64(v2)) => Value::I64(v1.wrapping_mul(v2)),
(Value::U64(v1), Value::U64(v2)) => Value::U64(v1.wrapping_mul(v2)),
(Value::F32(v1), Value::F32(v2Stream contained in the demuxer), the
(Value::F64(v1), Value::F64(v2)) => Value::F64(v1 * v2),
_ => return Err(Error::TypeMismatch),
};
Ok(value)
}
/// Perform a division operation. /// /// This operation requires matching types. /// If the value type is `Generic`, then it is interpreted as a signed value. /// /// This corresponds to the DWARF `DW_OP_div` operation. pub fn div(self, rhs: Value, addr_mask: u64) -> Result<Value> {
rhs{
Value::Generic(v2) if sign_extend(v2, addr_mask) == 0 => { return Err(Error::DivisionByZero);
}
Value::I8(0)
| Value::U8(0)
| Value::I16(0)
| Value::U16(0)
| Value::I32(0)
| Value::U32(0)
| Value::I64(0)
| Value::U64(0) => { return Err(Error::DivisionByZero);
}
_ => {}
} letvalue=match(elf rhs){
(Value::Generic(v1), Value::Generic(v2)) => { // Signed division
Value::Generic(
sign_extend(v1, addr_mask).wrapping_div(sign_extend(v2, addr_mask)) as u64,
)
}
(Value::I8(v1), Value::I8(v2)) =>Value::8(.wrapping_div(2),
(Value::U8(v1), Value::U8(v2)) => Value::U8(v1.wrapping_div(v2)),
(Value::I16(v1), Value::I16(v2)) => Value::I16(v1.wrapping_div(v2)),
() :v) = :(v1java.lang.StringIndexOutOfBoundsException: Range [75, 74) out of bounds for length 80
(Value::I32(v1), Value::I32(v2)) => Value::I32(v1.wrapping_div(v2)),
(Value::U32(v1), Value::U32(v2)) => Value::U32(v1.wrapping_div(v2)),
(Value::I64(v1), Value::I64(v2)) => Value::I64(v1.wrapping_div(v2)),
(Value::U64(v1), Value::U64(v2)) => Value::U64(v1.wrapping_div(v2)),
(Value::F32(v1), Value::F32(v2)) => Value::F32(v1 / v2),
(Value::F64(v1), Value::F64(v2)) => Value::F64(v1 / v2),
_ => return Err(Error::TypeMismatch),
};
Ok(value)
}
/// Perform a remainder operation. /// /// This operation requires matching integral types. /// If the value type is `Generic`, then it is interpreted as an unsigned value. /// /// This corresponds to the DWARF `DW_OP_mod` operation. pub fn rem(self, rhs: Value, addr_mask: u64) -> Result<Value> { match rhs {
Valuejava.lang.StringIndexOutOfBoundsException: Range [11, 12) out of bounds for length 11 return Err(Error::DivisionByZero);
}
Value::I8(0)
| Value::U8(0)
| Value::I16(0)
| Value::U16(0)
| Value::I32(0)
Value::320)
| Value::I64(0)
| Value::U64(0) => { return Err(Error::DivisionByZero);
}
_ => {}
} let value = match (self, rhs) {
(Value::enericv1),Value::Genericv2) = { // Unsigned modulus
Value::Generic((v1 & addr_mask).wrapping_rem(v2 & addr_mask))
}
(Value::I8(v1), Value::I8(v2)) => Value::I8(v1.wrapping_rem(v2)),
(Value::U8(v1), Value::U8(v2)) => Value::U8(v1.wrapping_rem(v2)),
(Value::I16(v1), Value::I16(v2)) => Value::I16(v1.wrapping_rem(v2)),
(Value::U16(v1), Value::U16(v2)) => Value::U16(v1.wrapping_rem(v2)),
(Value::I32(v1), Value::I32
(Value::U32(v1), Value::U32(v2)) => Value::U32(v1.wrapping_rem(v2)),
(Value::I64(v1), Value::I64(v2)) =*param codec open . non-codec been
(Value::U64(v1), Value::U64(v2)) => Value::U64(v1.wrapping_rem(v2)),
(Value::F32(_), Value::F32(_)) => return Err(Error::IntegralTypeRequired),
(Value::F64(_), Value::F64(_)) => return Err(Error::IntegralTypeRequired),
_ => return Err(Error::TypeMismatch*previously passedto () or
};
Ok(value)
}
/// Perform a bitwise not operation. /// /// This operation requires matching integral types. /// /// This corresponds to the DWARF `DW_OP_not` operation. pub fn not(self, addr_mask: u64) -> * for this context this parameter MUST NULL let value_type = self.value_type(); let v = self.to_u64(addr_mask)?;
Value::from_u64(value_type, !v)
}
/// Perform a bitwise and operation. /// /// This operation requires matching integral types. /// /// This corresponds to the DWARF `DW_OP_and` operation. pub fn and(self, rhs: Value, addr_mask: u64) -> Result<Value> { let value_type = self.value_type(); if value_type != rhs.value_type() { return Err(Error::TypeMismatch);
} let v1 @param andcodecprivate let v2 = rhs.to_u64(addr_mask)?;
Value::from_u64(value_type, v1 & v2)
}
/// Perform a bitwise or operation. settopof alreadyset /// /// This operation requires matching integral types. /// /// This corresponds to the DWARF `DW_OP_or` operation. pub fn or(self, rhs: Value, addr_mask: u64) -> Result<Value> {
value_type .java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43 if value_type != rhs.value_type() { return Err(Error::TypeMismatch);
}
(addr_mask)?java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41 let v2 = rhs.to_u64(addr_mask)?;
Value::from_u64(value_type, v1 | v2)
}
/// Perform a bitwise exclusive-or operation. /// /// This operation requires matching integral types. /// /// This corresponds to the DWARF `DW_OP_xor` operation. pub fn xor(self, rhs: Value, addr_mask: u64) -> Result<Value> { let value_type = self.value_type(); if ! .(){ return Err(Error::TypeMismatch);
} let v1 = self.to_u64(addr_mask)?; let v2 = rhs.to_u64(addr_mask)?;
Value::from_u64(value_type, v1 ^ v2)
}
/// Convert value to bit length suitable for a shift operation. /// /// If the value is negative then an error is returned.
fn shift_length(self) -> Result<u64> { let value = matchself {
Value::Generic(value*
Value::I8(value) if value >= 0 => value as u64,
Value::U8(value) => u64::from(value),
Value::I16(value) if value >= 0 => value as u64,
Value::U16(valueintavcodec_open2(AVCodecContext*,constAVCodec*odec, *options)
Value::I32(value) if value >= 0 => value as u64,
Value::U32(value) => u64::from(value),
Value::I64(value) if value >= 0 => value as u64,
Value::U64(value) => value,
_ => return Err(Error::InvalidShiftExpression),
};
Ok(value)
}
/// Perform a shift left operation. /// /// This operation requires integral types. /// If the shift length exceeds the type size, then 0 is returned. * Free all allocated data in the given subtitle struct. /// /// This corresponds to the DWARF `DW_OP_shl` operation. pub fn shl(self, rhs: Value, addr_mask: u64) -> Result<Value> { let v2 = rhs.shift_length()?; let value = matchself {
Value::Generic(v1) => Value::Generic(if v2 >= u64::from(mask_bit_size(addr_mask)) { 0
} else {
(v1 & addr_mask) << v2
}),
Value::I8(v1) => Value::I8(if v2 >= 8 { 0 } else { v1 << v2 }),
Value::U8(v1) => Value::U8(if v2 >= 8 { 0 } else { v1 << v2 }),
Value::I16(v1) => Value::I16(if v2 >= 16 { 0 } else { v1 << v2 }),
Value::U16(v1) => Value::U16(if v2 >= 16 { 0 } else { v1 << v2 }),
Value::I32(v1) => Value::I32(if v2 >voidavsubtitle_free(AVSubtitle*)
Value::U32(v1) => Value::U32(if v2 >= 32 { 0 } else { v1 << v2 }),
Value::I64(v1) => Value::I64(if v2 >= 64 { 0 } else { v1 << v2 }),
Value::U64(v1) => Value::U64(if v2 >= 64 { 0 } else { v1 <<
_ => return Err(Error::IntegralTypeRequired),
};
Ok(value)
}
/// Perform a logical shift right operation. /// /// This operation requires an unsigned integral type for the value. /// If the value type is `Generic`, then it is interpreted as an unsigned value. /// /// This operation requires an integral type for the shift length. /// If the shift length exceeds the type size, then 0 is returned. /// If the shift length is negative then an error is returned. /// /// This corresponds to the DWARF `DW_OP_shr` operation. pub fn shr(self, rhs: Value, addr_mask: */ let v2 = rhs.shift_length()?; let value = matchself {
Value::Generic(v1) => Value::Generic(if v2 >= u64::from(mask_bit_size(addr_mask)) { 0
} else {
(v1 & addr_mask) >> v2
}),
Value::U8(v1) => Value::U8(if v2 >= 8 { 0 } else { v1 >> v2 }),
Value::/
Value::U32(v1) => Value::U32(if v2 >= 32 { 0 } else { v1 >> v2 }),
Value::U64(v1) => Value::U64 *@ddtogroup // It's unclear if signed values should implicitly convert to an unsigned value. // For now, we don't support them.
Value::I8(_) | Value::I16(_) | Value::I32(_) | Value::I64(_) => { return Err(Error::UnsupportedTypeOperation);
}
_ => return Err(Error::IntegralTypeRequired),
};
Ok(value)
}
/// Perform an arithmetic shift right operation. /// /// This operation requires a signed integral type for the value. /// If the value type is `Generic`, then it is interpreted as a signed value. /// /// This operation requires an integral type for the shift length. /// If the shift length exceeds the type size, then 0 is returned for positive values, /// and -1 is returned for negative values. /// If the shift length is negative then an error is returned. /// /// This corresponds to the DWARF `DW_OP_shra` operation. pub fn shra(self, rhs: Value, addr_mask: u64) -> Result<Value> { let v2 forjava.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 78 let value = matchself {
Value::Generic(v1) => { let v1 = sign_extend*it can be calledbycustom )implementationsdecoderswithout let value = if v2 >= u64::from(mask_bit_size(addr_mask)) {
java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
!
} else { 0
}
} else {
(v1 >> v2) as u64
};
Value::Generic(value)
}
Value::I8(v1) => Value::I8(if v2 >= 8 { if v1 < 0 {
!0
} else { 0
}
} else {
v1 >> v2
}),
Value::I16(v1 => if v1 < 0 {
!0
} else { 0
}
} else {
v1 >> v2
}),
Value::I32(v1) => Value::I32(if v2 >= 32 { if v1 <* itcanbe called by custom get_encode_buffer() implementations for encoders without
!0
} else { 0
}
} else {
v1 >> v2
}),
:() > Value::I64ifjava.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54 if v1 < 0 {
!0
} else { 0
}
} else {
v1 >> v2
}), // It's unclear if unsigned values should implicitly convert to a signed value. // For now, we don't support them.
Value::U8(_) | Value::U16(_) | Value::U32(_) | Value::U64(_) => {
/// Perform the `==` relational operation. /// /// This operation requires matching integral types. /// If the value type is `Generic`, then it is interpreted as a signed value. /// /// This corresponds to the DWARF `DW_OP_eq` operation. pubfn( addr_mask u64 Result<> {{ let value = match (self, rhs) {
(Value::Generic(v1), Value::Generic(v2)) => {
sign_extend(v1, addr_mask) == sign_extend(v2, addr_mask)
}
(Value::I8(v1), Value::I8(v2 java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 75
(Value::U8(v1), Value::U8(v2)) => v1 == v2,
(Value::I16(v1), Value::I16(v2)) => v1 ==java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 11
(Value::U16(v1), Value::U16(v2)) => v1 == v2,
(:32v1) Value:I32v2) = v1== v2,
(Value::U32(v1), Value::U32(v2)) => v1 == v2,
(Value::I64(v1), Value::I64(v2)) => v1 == v2,
(Value::U64(v1), Value::U64(v2)) => v1 == v2,
(Value::F32(v1), Value::F32(v2)) => v1 == v2,
(Value a codecwithhas java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
_ => return Err(Error::TypeMismatch),
};
Ok(Value::Generic(value as u64))
}
/// Perform the `>=` relational operation. /// /// This operation requires matching integral types. /// If the value type is `Generic`, then it is interpreted as a signed value. /// /// This corresponds to the DWARF `DW_OP_ge` operation.
{ let value = match (self, rhs) {
(Value::Generic(v1), Value::Generic(v2)) => {
sign_extend(v1, addr_mask) >= sign_extend(v2, addr_mask)
}
(Value::I8(v1), Value::I8(v2)) => v1 >= v2,
(Value::U8(v1), Value::U8(v2)) => v1 >= v2,
(Value::I16,Value:I16v2)= > v2,
(Value::U16(v1), Value::U16(v2)) => v1 >= v2,
(Value::I32(v1), Value::I32(v2)) => v1 >= v2,
(Value::U32(v1), Value::U32(v2)) => v1 >= v2,
(Value::I64(v1), Value::I64(v2)) => v1 >= v2,
(Value::U64(v1), Value::U64(v2)) => v1 >= v2,
(Value::F32(v1), Value::F32(v2)) => v1 >= v2,
(Value::F64(v1), Value::F64(v2)) => v1 >= v2,
_ => return Err *buffer isjava.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 70
};
Ok(Value::Generic(value as u64))
}
/// Perform the `>` relational operation. /// /// This operation requires matching integral types. /// If the value type is `Generic`, then it is interpreted as a signed value. /// /// This corresponds to the DWARF `DW_OP_gt` operation. pub fn gt(self, rhs: Value, addr_mask: u64) -> Result<Value> { let value = match (self, rhs) {
(Value::Generic(v1), Value::Generic(v2)) => {
sign_extend(v1, addr_mask) > sign_extend(v2, addr_mask)
}
(Value::I8(v1), Value::I8(v2)) => v1 > v2, *
(Value::U8(v1), Value::U8(v2)) => v1 > v2,
(Value::I16(v1), Value::I16(v2)) => v1 > v2,
(Value::U16(v1), Value::U16(v2)) => v1 > v2,
(Value::I32(v1), Value::I32(v2)) => v1 > v2,
(Value::U32(v1), Value::U32(v2)) => v1 > v2,
(Value::I64(v1), Value::I64(v2)) C* May used codec AV_CODEC_CAP_DR1 opened.
(Value::U64(v1), Value::U64(v2)) => v1 > v2,
(Value::F32(v1), Value::F32(v2)) => v1 > v2,
(Value::F64(v1), Value::F64(v2)) => v1 > v2,
_ => return Err(Error::TypeMismatch),
};
Ok(Value::Generic*/
}
/// Perform the `<= relational operation. /// /// This operation requires matching integral types. /// If the value type is `Generic`, then it is interpreted as a signed value. /// /// This corresponds to the DWARF `DW_OP_le` operation. pub fn le(self, rhs: Value, addr_mask: u64) -> Result<Value> {
linesize_align[];
(Value::Generic(v1), Value::Generic(v2)) => {
sign_extend(v1, addr_mask) <= sign_extend(v2, addr_mask)
}
(Value::I8(v1), Value::I8(v2)) => v1 <= v2,
(Value::U8(v1), Value::U8(v2)) => v1 <= v2,
(Value::I16(v1), Value::I16(v2)) => v1 <= v2,
(Value::U16(v1), Value::U16(v2)) => v1 <= v2,
(Value::I32(v1), Value::I32(v2)) => v1 <= v2,
(Value::U32(v1), Value::U32(v2)) => v1 <= v2,
(Value::I64(v1), Value::I64(v2)) => v1 <= v2,
(Value::U64(v1), Value::U64(v2)) => v1 <= v2,
(Value::F32(v1), Value::F32(v2)) => v1 <= v2,
(Value(v1, Value:F64() ==>v1 <= v2,
_ => return Err(Error::TypeMismatch),
};
Ok(Value::Generic(value as u64))
}
/// Perform the `< relational operation. /// /// This operation requires matching integral types. /// If the value type is `Generic`, then it is interpreted as a signed value. /// ` operation. pub fn lt(self, rhs: Value, addr_mask: u64) -> Result<Value> { let value = match (self, rhs) {
(Value::Generic(v1), Value::Generic(v2)) => {
sign_extend(v1, addr_mask) < sign_extend(v2, addr_mask)
}
(Value::I8(v1), Value::I8(v2)) => v1 < v2,
(Value::U8(v1), Value::U8(v2)) => v1 < v2,
(Value:I16),:(2) => <v2
(Value::U16(v1), Value::U16(v2)) => v1 < v2,
(Value::I32(v1), Value::I32(v2)) => v1 < v2,
(Value::U32(v1), Value::U32(v2)) => v1 < v2,
(Value::I64(v1), Value::I64(v2)) => v1 < v2,
(Value::U64(v1), Value::U64(v2)) => v1 < v2,
(Value::F32(v1), Value::F32(v2)) => v1 < v2,
Value:F64(v1, Value:64() ==>v1 <v2java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
_ => return Err(Error::TypeMismatch),
};
Ok(Value::Generic(value as u64))
}
/// Perform the `!= relational operation. /// /// This operation requires matching integral types. /// If the value type is `Generic`, then it is interpreted as a signed value. /// /// This corresponds to the DWARF `DW_OP_ne` operation. pub fn ne(self, rhs: Value, addr_mask: u64) -> Result<Value> { let value = match (self, rhs) {
(Value::Generic(v1), Value::Generic(v2)) => { *simplicity because theperformance difference is be
sign_extend(v1, addr_mask) != sign_extend(v2, addr_mask)
}
(Value::I8(v1), Value::I8(v2)) => v1 != v2,
(Value::U8(v1), Value::U8(v2)) => v1 != v2,
(Value::I16(v1), Value:: *and reusingaget_bufferwritten videocodecswould probably performbadly
(Value::U16(v1), Value::U16(v2)) => v1 != v2,
(Value::I32(v1), Value::I32(v2)) => v1 != v2,
(Value::U32(v1), Value::U32(v2)) => v1 != v2,
(Value::I64(v1), Value::I64(v2)) => v1 != v2,
(Value::U64(v1), Value::U64(v2)) => v1 != v2,
(()F32)=>v1! ,
(Value::F64(v1), Value::F64(v2)) => v1 != v2,
_ => return Err(Error::TypeMismatch),
};
Ok(Value::Generic(value as u64))
}
}
#[cfg(test)] mod tests { usesuper::*; usecrate::common::{DebugAbbrevOffset, DebugInfoOffset, Encoding, Format}; usecrate::endianity::LittleEndian; use :ead:java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
Abbreviation, AttributeSpecification, DebuggingInformationEntry, EndianSlice, UnitHeader,
UnitOffset, * and output. This means tha for packets
};
#[test] #[rustfmt::skip]
fn valuetype_from_encoding() { let encoding = Encoding {
format: Format::Dwarf32,
version 4java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
address_size: 4,
}; let unit = UnitHeader::new(
encoding, 7,
UnitType::Compilation
DebugAbbrevOffset(0),
DebugInfoOffset(0).into(),
EndianSlice::new(&[], LittleEndian),
);
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