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author | Valentin Popov <valentin@popov.link> | 2024-07-19 15:37:58 +0300 |
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committer | Valentin Popov <valentin@popov.link> | 2024-07-19 15:37:58 +0300 |
commit | a990de90fe41456a23e58bd087d2f107d321f3a1 (patch) | |
tree | 15afc392522a9e85dc3332235e311b7d39352ea9 /vendor/gimli/src/read/value.rs | |
parent | 3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff) | |
download | fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip |
Deleted vendor folder
Diffstat (limited to 'vendor/gimli/src/read/value.rs')
-rw-r--r-- | vendor/gimli/src/read/value.rs | 1621 |
1 files changed, 0 insertions, 1621 deletions
diff --git a/vendor/gimli/src/read/value.rs b/vendor/gimli/src/read/value.rs deleted file mode 100644 index 77b08ed..0000000 --- a/vendor/gimli/src/read/value.rs +++ /dev/null @@ -1,1621 +0,0 @@ -//! Definitions for values used in DWARF expressions. - -use crate::constants; -#[cfg(feature = "read")] -use crate::read::{AttributeValue, DebuggingInformationEntry}; -use crate::read::{Error, Reader, Result}; - -/// 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) -} - -#[inline] -fn mask_bit_size(addr_mask: u64) -> u32 { - 64 - addr_mask.leading_zeros() -} - -/// The type of an entry on the DWARF stack. -#[derive(Debug, Clone, Copy, PartialEq, Eq)] -pub enum 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)] -pub enum Value { - /// A generic value, which is address-sized and of unspecified sign. - Generic(u64), - /// 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 { - match self { - ValueType::Generic => mask_bit_size(addr_mask), - ValueType::I8 | ValueType::U8 => 8, - ValueType::I16 | ValueType::U16 => 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::DW_ATE_signed, 1) => ValueType::I8, - (constants::DW_ATE_signed, 2) => ValueType::I16, - (constants::DW_ATE_signed, 4) => ValueType::I32, - (constants::DW_ATE_signed, 8) => ValueType::I64, - (constants::DW_ATE_unsigned, 1) => ValueType::U8, - (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, - }) - } - - /// Construct a `ValueType` from a base type DIE. - #[cfg(feature = "read")] - pub fn from_entry<R: Reader>( - entry: &DebuggingInformationEntry<R>, - ) -> Result<Option<ValueType>> { - if entry.tag() != constants::DW_TAG_base_type { - return Ok(None); - } - let mut encoding = None; - let mut byte_size = None; - let mut endianity = constants::DW_END_default; - let mut attrs = entry.attrs(); - while let Some(attr) = attrs.next()? { - match attr.name() { - constants::DW_AT_byte_size => byte_size = attr.udata_value(), - constants::DW_AT_encoding => { - if let AttributeValue::Encoding(x) = attr.value() { - encoding = Some(x); - } - } - constants::DW_AT_endianity => { - if let AttributeValue::Endianity(x) = attr.value() { - endianity = x; - } - } - _ => {} - } - } - - 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); - } - - if let (Some(encoding), Some(byte_size)) = (encoding, byte_size) { - 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::I16, - 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<u64> { - let value = match self { - 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(value) => u64::from(value), - Value::I32(value) => value as u64, - Value::U32(value) => u64::from(value), - Value::I64(value) => value as u64, - Value::U64(value) => value as u64, - _ => 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::I32 => Value::I32(value as i32), - 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> { - let value = match value_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::U32 => Value::U32(value as u32), - ValueType::I64 => Value::I64(value as i64), - 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> { - let value = match value_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::U32 => Value::U32(value 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> { - match self { - Value::F32(value) => Value::from_f32(value_type, value), - 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> { - if self.value_type().bit_size(addr_mask) != value_type.bit_size(addr_mask) { - return Err(Error::TypeMismatch); - } - let bits = match self { - Value::Generic(value) => value, - Value::I8(value) => value as u64, - Value::U8(value) => u64::from(value), - Value::I16(value) => value as u64, - Value::U16(value) => u64::from(value), - 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::U64 => Value::U64(bits), - 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 = match self { - Value::Generic(value) => { - Value::Generic(sign_extend(value, addr_mask).wrapping_abs() as u64) - } - Value::I8(value) => Value::I8(value.wrapping_abs()), - Value::I16(value) => Value::I16(value.wrapping_abs()), - Value::I32(value) => Value::I32(value.wrapping_abs()), - Value::I64(value) => Value::I64(value.wrapping_abs()), - // f32/f64::abs() is not available in libcore - 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, - }; - 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 neg(self, addr_mask: u64) -> Result<Value> { - // wrapping_neg() can be used because DWARF specifies that the result is undefined - // for negative minimal values. - let value = match self { - Value::Generic(value) => { - Value::Generic(sign_extend(value, addr_mask).wrapping_neg() as u64) - } - Value::I8(value) => Value::I8(value.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::U8(_) | Value::U16(_) | Value::U32(_) | Value::U64(_) => { - return Err(Error::UnsupportedTypeOperation); - } - }; - Ok(value) - } - - /// Perform an addition operation. - /// - /// This operation requires matching types. - /// - /// This corresponds to the DWARF `DW_OP_plus` operation. - pub fn add(self, rhs: Value, addr_mask: u64) -> Result<Value> { - let value = match (self, rhs) { - (Value::Generic(v1), Value::Generic(v2)) => { - Value::Generic(v1.wrapping_add(v2) & addr_mask) - } - (Value::I8(v1), Value::I8(v2)) => Value::I8(v1.wrapping_add(v2)), - (Value::U8(v1), Value::U8(v2)) => Value::U8(v1.wrapping_add(v2)), - (Value::I16(v1), Value::I16(v2)) => Value::I16(v1.wrapping_add(v2)), - (Value::U16(v1), Value::U16(v2)) => Value::U16(v1.wrapping_add(v2)), - (Value::I32(v1), Value::I32(v2)) => Value::I32(v1.wrapping_add(v2)), - (Value::U32(v1), Value::U32(v2)) => Value::U32(v1.wrapping_add(v2)), - (Value::I64(v1), Value::I64(v2)) => Value::I64(v1.wrapping_add(v2)), - (Value::U64(v1), Value::U64(v2)) => Value::U64(v1.wrapping_add(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 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(v1), Value::I16(v2)) => Value::I16(v1.wrapping_sub(v2)), - (Value::U16(v1), Value::U16(v2)) => Value::U16(v1.wrapping_sub(v2)), - (Value::I32(v1), Value::I32(v2)) => Value::I32(v1.wrapping_sub(v2)), - (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)) => Value::F32(v1 - v2), - (Value::F64(v1), Value::F64(v2)) => Value::F64(v1 - v2), - _ => return Err(Error::TypeMismatch), - }; - Ok(value) - } - - /// Perform a multiplication operation. - /// - /// This operation requires matching types. - /// - /// This corresponds to the DWARF `DW_OP_mul` operation. - pub fn mul(self, rhs: Value, addr_mask: u64) -> Result<Value> { - 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.wrapping_mul(v2)), - (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)), - (Value::I32(v1), Value::I32(v2)) => Value::I32(v1.wrapping_mul(v2)), - (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(v2)) => Value::F32(v1 * v2), - (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> { - match 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); - } - _ => {} - } - let value = match (self, 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::I8(v1.wrapping_div(v2)), - (Value::U8(v1), Value::U8(v2)) => Value::U8(v1.wrapping_div(v2)), - (Value::I16(v1), Value::I16(v2)) => Value::I16(v1.wrapping_div(v2)), - (Value::U16(v1), Value::U16(v2)) => Value::U16(v1.wrapping_div(v2)), - (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 { - Value::Generic(rhs) if (rhs & 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); - } - _ => {} - } - let value = match (self, rhs) { - (Value::Generic(v1), Value::Generic(v2)) => { - // 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(v2)) => Value::I32(v1.wrapping_rem(v2)), - (Value::U32(v1), Value::U32(v2)) => Value::U32(v1.wrapping_rem(v2)), - (Value::I64(v1), Value::I64(v2)) => Value::I64(v1.wrapping_rem(v2)), - (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), - }; - 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) -> Result<Value> { - 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 = self.to_u64(addr_mask)?; - let v2 = rhs.to_u64(addr_mask)?; - Value::from_u64(value_type, v1 & v2) - } - - /// Perform a bitwise or operation. - /// - /// 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> { - let value_type = self.value_type(); - if value_type != rhs.value_type() { - 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) - } - - /// 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 value_type != rhs.value_type() { - 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 = match self { - Value::Generic(value) => 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(value) => u64::from(value), - 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. - /// If the shift length is negative then an error is returned. - /// - /// 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 = match self { - 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 >= 32 { 0 } else { v1 << v2 }), - 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 << v2 }), - _ => 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: u64) -> Result<Value> { - let v2 = rhs.shift_length()?; - let value = match self { - 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::U16(v1) => Value::U16(if v2 >= 16 { 0 } else { v1 >> v2 }), - Value::U32(v1) => Value::U32(if v2 >= 32 { 0 } else { v1 >> v2 }), - Value::U64(v1) => Value::U64(if v2 >= 64 { 0 } else { v1 >> v2 }), - // 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 = rhs.shift_length()?; - let value = match self { - Value::Generic(v1) => { - let v1 = sign_extend(v1, addr_mask); - let value = if v2 >= u64::from(mask_bit_size(addr_mask)) { - if v1 < 0 { - !0 - } 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) => Value::I16(if v2 >= 16 { - if v1 < 0 { - !0 - } else { - 0 - } - } else { - v1 >> v2 - }), - Value::I32(v1) => Value::I32(if v2 >= 32 { - if v1 < 0 { - !0 - } else { - 0 - } - } else { - v1 >> v2 - }), - Value::I64(v1) => Value::I64(if v2 >= 64 { - 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(_) => { - return Err(Error::UnsupportedTypeOperation); - } - _ => return Err(Error::IntegralTypeRequired), - }; - Ok(value) - } - - /// 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. - pub fn eq(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)) => 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(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. - pub fn ge(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)) => 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(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_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)) => 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(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_le` operation. - pub fn le(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)) => 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(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_lt` 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(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::F64(v1), Value::F64(v2)) => 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. - /// - /// 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)) => { - 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::F64(v1), Value::F64(v2)) => v1 != v2, - _ => return Err(Error::TypeMismatch), - }; - Ok(Value::Generic(value as u64)) - } -} - -#[cfg(test)] -mod tests { - use super::*; - use crate::common::{DebugAbbrevOffset, DebugInfoOffset, Encoding, Format}; - use crate::endianity::LittleEndian; - use crate::read::{ - Abbreviation, AttributeSpecification, DebuggingInformationEntry, EndianSlice, UnitHeader, - UnitOffset, UnitType, - }; - - #[test] - #[rustfmt::skip] - fn valuetype_from_encoding() { - let encoding = Encoding { - format: Format::Dwarf32, - version: 4, - address_size: 4, - }; - let unit = UnitHeader::new( - encoding, - 7, - UnitType::Compilation, - DebugAbbrevOffset(0), - DebugInfoOffset(0).into(), - EndianSlice::new(&[], LittleEndian), - ); - - let abbrev = Abbreviation::new( - 42, - constants::DW_TAG_base_type, - constants::DW_CHILDREN_no, - vec![ - AttributeSpecification::new( - constants::DW_AT_byte_size, - constants::DW_FORM_udata, - None, - ), - AttributeSpecification::new( - constants::DW_AT_encoding, - constants::DW_FORM_udata, - None, - ), - AttributeSpecification::new( - constants::DW_AT_endianity, - constants::DW_FORM_udata, - None, - ), - ].into(), - ); - - for &(attrs, result) in &[ - ([0x01, constants::DW_ATE_signed.0, constants::DW_END_default.0], ValueType::I8), - ([0x02, constants::DW_ATE_signed.0, constants::DW_END_default.0], ValueType::I16), - ([0x04, constants::DW_ATE_signed.0, constants::DW_END_default.0], ValueType::I32), - ([0x08, constants::DW_ATE_signed.0, constants::DW_END_default.0], ValueType::I64), - ([0x01, constants::DW_ATE_unsigned.0, constants::DW_END_default.0], ValueType::U8), - ([0x02, constants::DW_ATE_unsigned.0, constants::DW_END_default.0], ValueType::U16), - ([0x04, constants::DW_ATE_unsigned.0, constants::DW_END_default.0], ValueType::U32), - ([0x08, constants::DW_ATE_unsigned.0, constants::DW_END_default.0], ValueType::U64), - ([0x04, constants::DW_ATE_float.0, constants::DW_END_default.0], ValueType::F32), - ([0x08, constants::DW_ATE_float.0, constants::DW_END_default.0], ValueType::F64), - ] { - let entry = DebuggingInformationEntry::new( - UnitOffset(0), - EndianSlice::new(&attrs, LittleEndian), - &abbrev, - &unit, - ); - assert_eq!(ValueType::from_entry(&entry), Ok(Some(result))); - } - - for attrs in &[ - [0x03, constants::DW_ATE_signed.0, constants::DW_END_default.0], - [0x02, constants::DW_ATE_signed.0, constants::DW_END_big.0], - ] { - let entry = DebuggingInformationEntry::new( - UnitOffset(0), - EndianSlice::new(attrs, LittleEndian), - &abbrev, - &unit, - ); - assert_eq!(ValueType::from_entry(&entry), Ok(None)); - } - } - - #[test] - fn value_convert() { - let addr_mask = !0 >> 32; - for &(v, t, result) in &[ - (Value::Generic(1), ValueType::I8, Ok(Value::I8(1))), - (Value::I8(1), ValueType::U8, Ok(Value::U8(1))), - (Value::U8(1), ValueType::I16, Ok(Value::I16(1))), - (Value::I16(1), ValueType::U16, Ok(Value::U16(1))), - (Value::U16(1), ValueType::I32, Ok(Value::I32(1))), - (Value::I32(1), ValueType::U32, Ok(Value::U32(1))), - (Value::U32(1), ValueType::F32, Ok(Value::F32(1.))), - (Value::F32(1.), ValueType::I64, Ok(Value::I64(1))), - (Value::I64(1), ValueType::U64, Ok(Value::U64(1))), - (Value::U64(1), ValueType::F64, Ok(Value::F64(1.))), - (Value::F64(1.), ValueType::Generic, Ok(Value::Generic(1))), - ] { - assert_eq!(v.convert(t, addr_mask), result); - } - } - - #[test] - #[rustfmt::skip] - fn value_reinterpret() { - let addr_mask = !0 >> 32; - for &(v, t, result) in &[ - // 8-bit - (Value::I8(-1), ValueType::U8, Ok(Value::U8(0xff))), - (Value::U8(0xff), ValueType::I8, Ok(Value::I8(-1))), - // 16-bit - (Value::I16(1), ValueType::U16, Ok(Value::U16(1))), - (Value::U16(1), ValueType::I16, Ok(Value::I16(1))), - // 32-bit - (Value::Generic(1), ValueType::I32, Ok(Value::I32(1))), - (Value::I32(1), ValueType::U32, Ok(Value::U32(1))), - (Value::U32(0x3f80_0000), ValueType::F32, Ok(Value::F32(1.0))), - (Value::F32(1.0), ValueType::Generic, Ok(Value::Generic(0x3f80_0000))), - // Type mismatches - (Value::Generic(1), ValueType::U8, Err(Error::TypeMismatch)), - (Value::U8(1), ValueType::U16, Err(Error::TypeMismatch)), - (Value::U16(1), ValueType::U32, Err(Error::TypeMismatch)), - (Value::U32(1), ValueType::U64, Err(Error::TypeMismatch)), - (Value::U64(1), ValueType::Generic, Err(Error::TypeMismatch)), - ] { - assert_eq!(v.reinterpret(t, addr_mask), result); - } - - let addr_mask = !0; - for &(v, t, result) in &[ - // 64-bit - (Value::Generic(1), ValueType::I64, Ok(Value::I64(1))), - (Value::I64(1), ValueType::U64, Ok(Value::U64(1))), - (Value::U64(0x3ff0_0000_0000_0000), ValueType::F64, Ok(Value::F64(1.0))), - (Value::F64(1.0), ValueType::Generic, Ok(Value::Generic(0x3ff0_0000_0000_0000))), - ] { - assert_eq!(v.reinterpret(t, addr_mask), result); - } - } - - #[test] - #[rustfmt::skip] - fn value_abs() { - let addr_mask = 0xffff_ffff; - for &(v, result) in &[ - (Value::Generic(0xffff_ffff), Ok(Value::Generic(1))), - (Value::I8(-1), Ok(Value::I8(1))), - (Value::U8(1), Ok(Value::U8(1))), - (Value::I16(-1), Ok(Value::I16(1))), - (Value::U16(1), Ok(Value::U16(1))), - (Value::I32(-1), Ok(Value::I32(1))), - (Value::U32(1), Ok(Value::U32(1))), - (Value::I64(-1), Ok(Value::I64(1))), - (Value::U64(1), Ok(Value::U64(1))), - (Value::F32(-1.), Ok(Value::F32(1.))), - (Value::F64(-1.), Ok(Value::F64(1.))), - ] { - assert_eq!(v.abs(addr_mask), result); - } - } - - #[test] - #[rustfmt::skip] - fn value_neg() { - let addr_mask = 0xffff_ffff; - for &(v, result) in &[ - (Value::Generic(0xffff_ffff), Ok(Value::Generic(1))), - (Value::I8(1), Ok(Value::I8(-1))), - (Value::U8(1), Err(Error::UnsupportedTypeOperation)), - (Value::I16(1), Ok(Value::I16(-1))), - (Value::U16(1), Err(Error::UnsupportedTypeOperation)), - (Value::I32(1), Ok(Value::I32(-1))), - (Value::U32(1), Err(Error::UnsupportedTypeOperation)), - (Value::I64(1), Ok(Value::I64(-1))), - (Value::U64(1), Err(Error::UnsupportedTypeOperation)), - (Value::F32(1.), Ok(Value::F32(-1.))), - (Value::F64(1.), Ok(Value::F64(-1.))), - ] { - assert_eq!(v.neg(addr_mask), result); - } - } - - #[test] - #[rustfmt::skip] - fn value_add() { - let addr_mask = 0xffff_ffff; - for &(v1, v2, result) in &[ - (Value::Generic(1), Value::Generic(2), Ok(Value::Generic(3))), - (Value::I8(-1), Value::I8(2), Ok(Value::I8(1))), - (Value::U8(1), Value::U8(2), Ok(Value::U8(3))), - (Value::I16(-1), Value::I16(2), Ok(Value::I16(1))), - (Value::U16(1), Value::U16(2), Ok(Value::U16(3))), - (Value::I32(-1), Value::I32(2), Ok(Value::I32(1))), - (Value::U32(1), Value::U32(2), Ok(Value::U32(3))), - (Value::I64(-1), Value::I64(2), Ok(Value::I64(1))), - (Value::U64(1), Value::U64(2), Ok(Value::U64(3))), - (Value::F32(-1.), Value::F32(2.), Ok(Value::F32(1.))), - (Value::F64(-1.), Value::F64(2.), Ok(Value::F64(1.))), - (Value::Generic(1), Value::U32(2), Err(Error::TypeMismatch)), - ] { - assert_eq!(v1.add(v2, addr_mask), result); - } - } - - #[test] - #[rustfmt::skip] - fn value_sub() { - let addr_mask = 0xffff_ffff; - for &(v1, v2, result) in &[ - (Value::Generic(3), Value::Generic(2), Ok(Value::Generic(1))), - (Value::I8(-1), Value::I8(2), Ok(Value::I8(-3))), - (Value::U8(3), Value::U8(2), Ok(Value::U8(1))), - (Value::I16(-1), Value::I16(2), Ok(Value::I16(-3))), - (Value::U16(3), Value::U16(2), Ok(Value::U16(1))), - (Value::I32(-1), Value::I32(2), Ok(Value::I32(-3))), - (Value::U32(3), Value::U32(2), Ok(Value::U32(1))), - (Value::I64(-1), Value::I64(2), Ok(Value::I64(-3))), - (Value::U64(3), Value::U64(2), Ok(Value::U64(1))), - (Value::F32(-1.), Value::F32(2.), Ok(Value::F32(-3.))), - (Value::F64(-1.), Value::F64(2.), Ok(Value::F64(-3.))), - (Value::Generic(3), Value::U32(2), Err(Error::TypeMismatch)), - ] { - assert_eq!(v1.sub(v2, addr_mask), result); - } - } - - #[test] - #[rustfmt::skip] - fn value_mul() { - let addr_mask = 0xffff_ffff; - for &(v1, v2, result) in &[ - (Value::Generic(2), Value::Generic(3), Ok(Value::Generic(6))), - (Value::I8(-2), Value::I8(3), Ok(Value::I8(-6))), - (Value::U8(2), Value::U8(3), Ok(Value::U8(6))), - (Value::I16(-2), Value::I16(3), Ok(Value::I16(-6))), - (Value::U16(2), Value::U16(3), Ok(Value::U16(6))), - (Value::I32(-2), Value::I32(3), Ok(Value::I32(-6))), - (Value::U32(2), Value::U32(3), Ok(Value::U32(6))), - (Value::I64(-2), Value::I64(3), Ok(Value::I64(-6))), - (Value::U64(2), Value::U64(3), Ok(Value::U64(6))), - (Value::F32(-2.), Value::F32(3.), Ok(Value::F32(-6.))), - (Value::F64(-2.), Value::F64(3.), Ok(Value::F64(-6.))), - (Value::Generic(2), Value::U32(3), Err(Error::TypeMismatch)), - ] { - assert_eq!(v1.mul(v2, addr_mask), result); - } - } - - #[test] - #[rustfmt::skip] - fn value_div() { - let addr_mask = 0xffff_ffff; - for &(v1, v2, result) in &[ - (Value::Generic(6), Value::Generic(3), Ok(Value::Generic(2))), - (Value::I8(-6), Value::I8(3), Ok(Value::I8(-2))), - (Value::U8(6), Value::U8(3), Ok(Value::U8(2))), - (Value::I16(-6), Value::I16(3), Ok(Value::I16(-2))), - (Value::U16(6), Value::U16(3), Ok(Value::U16(2))), - (Value::I32(-6), Value::I32(3), Ok(Value::I32(-2))), - (Value::U32(6), Value::U32(3), Ok(Value::U32(2))), - (Value::I64(-6), Value::I64(3), Ok(Value::I64(-2))), - (Value::U64(6), Value::U64(3), Ok(Value::U64(2))), - (Value::F32(-6.), Value::F32(3.), Ok(Value::F32(-2.))), - (Value::F64(-6.), Value::F64(3.), Ok(Value::F64(-2.))), - (Value::Generic(6), Value::U32(3), Err(Error::TypeMismatch)), - ] { - assert_eq!(v1.div(v2, addr_mask), result); - } - for &(v1, v2, result) in &[ - (Value::Generic(6), Value::Generic(0), Err(Error::DivisionByZero)), - (Value::I8(-6), Value::I8(0), Err(Error::DivisionByZero)), - (Value::U8(6), Value::U8(0), Err(Error::DivisionByZero)), - (Value::I16(-6), Value::I16(0), Err(Error::DivisionByZero)), - (Value::U16(6), Value::U16(0), Err(Error::DivisionByZero)), - (Value::I32(-6), Value::I32(0), Err(Error::DivisionByZero)), - (Value::U32(6), Value::U32(0), Err(Error::DivisionByZero)), - (Value::I64(-6), Value::I64(0), Err(Error::DivisionByZero)), - (Value::U64(6), Value::U64(0), Err(Error::DivisionByZero)), - (Value::F32(-6.), Value::F32(0.), Ok(Value::F32(-6. / 0.))), - (Value::F64(-6.), Value::F64(0.), Ok(Value::F64(-6. / 0.))), - ] { - assert_eq!(v1.div(v2, addr_mask), result); - } - } - - #[test] - #[rustfmt::skip] - fn value_rem() { - let addr_mask = 0xffff_ffff; - for &(v1, v2, result) in &[ - (Value::Generic(3), Value::Generic(2), Ok(Value::Generic(1))), - (Value::I8(-3), Value::I8(2), Ok(Value::I8(-1))), - (Value::U8(3), Value::U8(2), Ok(Value::U8(1))), - (Value::I16(-3), Value::I16(2), Ok(Value::I16(-1))), - (Value::U16(3), Value::U16(2), Ok(Value::U16(1))), - (Value::I32(-3), Value::I32(2), Ok(Value::I32(-1))), - (Value::U32(3), Value::U32(2), Ok(Value::U32(1))), - (Value::I64(-3), Value::I64(2), Ok(Value::I64(-1))), - (Value::U64(3), Value::U64(2), Ok(Value::U64(1))), - (Value::F32(-3.), Value::F32(2.), Err(Error::IntegralTypeRequired)), - (Value::F64(-3.), Value::F64(2.), Err(Error::IntegralTypeRequired)), - (Value::Generic(3), Value::U32(2), Err(Error::TypeMismatch)), - ] { - assert_eq!(v1.rem(v2, addr_mask), result); - } - for &(v1, v2, result) in &[ - (Value::Generic(3), Value::Generic(0), Err(Error::DivisionByZero)), - (Value::I8(-3), Value::I8(0), Err(Error::DivisionByZero)), - (Value::U8(3), Value::U8(0), Err(Error::DivisionByZero)), - (Value::I16(-3), Value::I16(0), Err(Error::DivisionByZero)), - (Value::U16(3), Value::U16(0), Err(Error::DivisionByZero)), - (Value::I32(-3), Value::I32(0), Err(Error::DivisionByZero)), - (Value::U32(3), Value::U32(0), Err(Error::DivisionByZero)), - (Value::I64(-3), Value::I64(0), Err(Error::DivisionByZero)), - (Value::U64(3), Value::U64(0), Err(Error::DivisionByZero)), - ] { - assert_eq!(v1.rem(v2, addr_mask), result); - } - } - - #[test] - #[rustfmt::skip] - fn value_not() { - let addr_mask = 0xffff_ffff; - for &(v, result) in &[ - (Value::Generic(1), Ok(Value::Generic(!1))), - (Value::I8(1), Ok(Value::I8(!1))), - (Value::U8(1), Ok(Value::U8(!1))), - (Value::I16(1), Ok(Value::I16(!1))), - (Value::U16(1), Ok(Value::U16(!1))), - (Value::I32(1), Ok(Value::I32(!1))), - (Value::U32(1), Ok(Value::U32(!1))), - (Value::I64(1), Ok(Value::I64(!1))), - (Value::U64(1), Ok(Value::U64(!1))), - (Value::F32(1.), Err(Error::IntegralTypeRequired)), - (Value::F64(1.), Err(Error::IntegralTypeRequired)), - ] { - assert_eq!(v.not(addr_mask), result); - } - } - - #[test] - #[rustfmt::skip] - fn value_and() { - let addr_mask = 0xffff_ffff; - for &(v1, v2, result) in &[ - (Value::Generic(3), Value::Generic(5), Ok(Value::Generic(1))), - (Value::I8(3), Value::I8(5), Ok(Value::I8(1))), - (Value::U8(3), Value::U8(5), Ok(Value::U8(1))), - (Value::I16(3), Value::I16(5), Ok(Value::I16(1))), - (Value::U16(3), Value::U16(5), Ok(Value::U16(1))), - (Value::I32(3), Value::I32(5), Ok(Value::I32(1))), - (Value::U32(3), Value::U32(5), Ok(Value::U32(1))), - (Value::I64(3), Value::I64(5), Ok(Value::I64(1))), - (Value::U64(3), Value::U64(5), Ok(Value::U64(1))), - (Value::F32(3.), Value::F32(5.), Err(Error::IntegralTypeRequired)), - (Value::F64(3.), Value::F64(5.), Err(Error::IntegralTypeRequired)), - (Value::Generic(3), Value::U32(5), Err(Error::TypeMismatch)), - ] { - assert_eq!(v1.and(v2, addr_mask), result); - } - } - - #[test] - #[rustfmt::skip] - fn value_or() { - let addr_mask = 0xffff_ffff; - for &(v1, v2, result) in &[ - (Value::Generic(3), Value::Generic(5), Ok(Value::Generic(7))), - (Value::I8(3), Value::I8(5), Ok(Value::I8(7))), - (Value::U8(3), Value::U8(5), Ok(Value::U8(7))), - (Value::I16(3), Value::I16(5), Ok(Value::I16(7))), - (Value::U16(3), Value::U16(5), Ok(Value::U16(7))), - (Value::I32(3), Value::I32(5), Ok(Value::I32(7))), - (Value::U32(3), Value::U32(5), Ok(Value::U32(7))), - (Value::I64(3), Value::I64(5), Ok(Value::I64(7))), - (Value::U64(3), Value::U64(5), Ok(Value::U64(7))), - (Value::F32(3.), Value::F32(5.), Err(Error::IntegralTypeRequired)), - (Value::F64(3.), Value::F64(5.), Err(Error::IntegralTypeRequired)), - (Value::Generic(3), Value::U32(5), Err(Error::TypeMismatch)), - ] { - assert_eq!(v1.or(v2, addr_mask), result); - } - } - - #[test] - #[rustfmt::skip] - fn value_xor() { - let addr_mask = 0xffff_ffff; - for &(v1, v2, result) in &[ - (Value::Generic(3), Value::Generic(5), Ok(Value::Generic(6))), - (Value::I8(3), Value::I8(5), Ok(Value::I8(6))), - (Value::U8(3), Value::U8(5), Ok(Value::U8(6))), - (Value::I16(3), Value::I16(5), Ok(Value::I16(6))), - (Value::U16(3), Value::U16(5), Ok(Value::U16(6))), - (Value::I32(3), Value::I32(5), Ok(Value::I32(6))), - (Value::U32(3), Value::U32(5), Ok(Value::U32(6))), - (Value::I64(3), Value::I64(5), Ok(Value::I64(6))), - (Value::U64(3), Value::U64(5), Ok(Value::U64(6))), - (Value::F32(3.), Value::F32(5.), Err(Error::IntegralTypeRequired)), - (Value::F64(3.), Value::F64(5.), Err(Error::IntegralTypeRequired)), - (Value::Generic(3), Value::U32(5), Err(Error::TypeMismatch)), - ] { - assert_eq!(v1.xor(v2, addr_mask), result); - } - } - - #[test] - #[rustfmt::skip] - fn value_shl() { - let addr_mask = 0xffff_ffff; - for &(v1, v2, result) in &[ - // One of each type - (Value::Generic(3), Value::Generic(5), Ok(Value::Generic(96))), - (Value::I8(3), Value::U8(5), Ok(Value::I8(96))), - (Value::U8(3), Value::I8(5), Ok(Value::U8(96))), - (Value::I16(3), Value::U16(5), Ok(Value::I16(96))), - (Value::U16(3), Value::I16(5), Ok(Value::U16(96))), - (Value::I32(3), Value::U32(5), Ok(Value::I32(96))), - (Value::U32(3), Value::I32(5), Ok(Value::U32(96))), - (Value::I64(3), Value::U64(5), Ok(Value::I64(96))), - (Value::U64(3), Value::I64(5), Ok(Value::U64(96))), - (Value::F32(3.), Value::U8(5), Err(Error::IntegralTypeRequired)), - (Value::F64(3.), Value::U8(5), Err(Error::IntegralTypeRequired)), - // Invalid shifts - (Value::U8(3), Value::I8(-5), Err(Error::InvalidShiftExpression)), - (Value::U8(3), Value::I16(-5), Err(Error::InvalidShiftExpression)), - (Value::U8(3), Value::I32(-5), Err(Error::InvalidShiftExpression)), - (Value::U8(3), Value::I64(-5), Err(Error::InvalidShiftExpression)), - (Value::U8(3), Value::F32(5.), Err(Error::InvalidShiftExpression)), - (Value::U8(3), Value::F64(5.), Err(Error::InvalidShiftExpression)), - // Large shifts - (Value::Generic(3), Value::Generic(32), Ok(Value::Generic(0))), - (Value::I8(3), Value::U8(8), Ok(Value::I8(0))), - (Value::U8(3), Value::I8(9), Ok(Value::U8(0))), - (Value::I16(3), Value::U16(17), Ok(Value::I16(0))), - (Value::U16(3), Value::I16(16), Ok(Value::U16(0))), - (Value::I32(3), Value::U32(32), Ok(Value::I32(0))), - (Value::U32(3), Value::I32(33), Ok(Value::U32(0))), - (Value::I64(3), Value::U64(65), Ok(Value::I64(0))), - (Value::U64(3), Value::I64(64), Ok(Value::U64(0))), - ] { - assert_eq!(v1.shl(v2, addr_mask), result); - } - } - - #[test] - #[rustfmt::skip] - fn value_shr() { - let addr_mask = 0xffff_ffff; - for &(v1, v2, result) in &[ - // One of each type - (Value::Generic(96), Value::Generic(5), Ok(Value::Generic(3))), - (Value::I8(96), Value::U8(5), Err(Error::UnsupportedTypeOperation)), - (Value::U8(96), Value::I8(5), Ok(Value::U8(3))), - (Value::I16(96), Value::U16(5), Err(Error::UnsupportedTypeOperation)), - (Value::U16(96), Value::I16(5), Ok(Value::U16(3))), - (Value::I32(96), Value::U32(5), Err(Error::UnsupportedTypeOperation)), - (Value::U32(96), Value::I32(5), Ok(Value::U32(3))), - (Value::I64(96), Value::U64(5), Err(Error::UnsupportedTypeOperation)), - (Value::U64(96), Value::I64(5), Ok(Value::U64(3))), - (Value::F32(96.), Value::U8(5), Err(Error::IntegralTypeRequired)), - (Value::F64(96.), Value::U8(5), Err(Error::IntegralTypeRequired)), - // Invalid shifts - (Value::U8(96), Value::I8(-5), Err(Error::InvalidShiftExpression)), - (Value::U8(96), Value::I16(-5), Err(Error::InvalidShiftExpression)), - (Value::U8(96), Value::I32(-5), Err(Error::InvalidShiftExpression)), - (Value::U8(96), Value::I64(-5), Err(Error::InvalidShiftExpression)), - (Value::U8(96), Value::F32(5.), Err(Error::InvalidShiftExpression)), - (Value::U8(96), Value::F64(5.), Err(Error::InvalidShiftExpression)), - // Large shifts - (Value::Generic(96), Value::Generic(32), Ok(Value::Generic(0))), - (Value::U8(96), Value::I8(9), Ok(Value::U8(0))), - (Value::U16(96), Value::I16(16), Ok(Value::U16(0))), - (Value::U32(96), Value::I32(33), Ok(Value::U32(0))), - (Value::U64(96), Value::I64(64), Ok(Value::U64(0))), - ] { - assert_eq!(v1.shr(v2, addr_mask), result); - } - } - - #[test] - #[rustfmt::skip] - fn value_shra() { - let addr_mask = 0xffff_ffff; - for &(v1, v2, result) in &[ - // One of each type - (Value::Generic(u64::from(-96i32 as u32)), Value::Generic(5), Ok(Value::Generic(-3i64 as u64))), - (Value::I8(-96), Value::U8(5), Ok(Value::I8(-3))), - (Value::U8(96), Value::I8(5), Err(Error::UnsupportedTypeOperation)), - (Value::I16(-96), Value::U16(5), Ok(Value::I16(-3))), - (Value::U16(96), Value::I16(5), Err(Error::UnsupportedTypeOperation)), - (Value::I32(-96), Value::U32(5), Ok(Value::I32(-3))), - (Value::U32(96), Value::I32(5), Err(Error::UnsupportedTypeOperation)), - (Value::I64(-96), Value::U64(5), Ok(Value::I64(-3))), - (Value::U64(96), Value::I64(5), Err(Error::UnsupportedTypeOperation)), - (Value::F32(96.), Value::U8(5), Err(Error::IntegralTypeRequired)), - (Value::F64(96.), Value::U8(5), Err(Error::IntegralTypeRequired)), - // Invalid shifts - (Value::U8(96), Value::I8(-5), Err(Error::InvalidShiftExpression)), - (Value::U8(96), Value::I16(-5), Err(Error::InvalidShiftExpression)), - (Value::U8(96), Value::I32(-5), Err(Error::InvalidShiftExpression)), - (Value::U8(96), Value::I64(-5), Err(Error::InvalidShiftExpression)), - (Value::U8(96), Value::F32(5.), Err(Error::InvalidShiftExpression)), - (Value::U8(96), Value::F64(5.), Err(Error::InvalidShiftExpression)), - // Large shifts - (Value::Generic(96), Value::Generic(32), Ok(Value::Generic(0))), - (Value::I8(96), Value::U8(8), Ok(Value::I8(0))), - (Value::I8(-96), Value::U8(8), Ok(Value::I8(-1))), - (Value::I16(96), Value::U16(17), Ok(Value::I16(0))), - (Value::I16(-96), Value::U16(17), Ok(Value::I16(-1))), - (Value::I32(96), Value::U32(32), Ok(Value::I32(0))), - (Value::I32(-96), Value::U32(32), Ok(Value::I32(-1))), - (Value::I64(96), Value::U64(65), Ok(Value::I64(0))), - (Value::I64(-96), Value::U64(65), Ok(Value::I64(-1))), - ] { - assert_eq!(v1.shra(v2, addr_mask), result); - } - } - - #[test] - fn value_eq() { - let addr_mask = 0xffff_ffff; - for &(v1, v2, result) in &[ - (Value::Generic(3), Value::Generic(3), Ok(Value::Generic(1))), - (Value::Generic(!3), Value::Generic(3), Ok(Value::Generic(0))), - (Value::I8(3), Value::I8(3), Ok(Value::Generic(1))), - (Value::I8(!3), Value::I8(3), Ok(Value::Generic(0))), - (Value::U8(3), Value::U8(3), Ok(Value::Generic(1))), - (Value::U8(!3), Value::U8(3), Ok(Value::Generic(0))), - (Value::I16(3), Value::I16(3), Ok(Value::Generic(1))), - (Value::I16(!3), Value::I16(3), Ok(Value::Generic(0))), - (Value::U16(3), Value::U16(3), Ok(Value::Generic(1))), - (Value::U16(!3), Value::U16(3), Ok(Value::Generic(0))), - (Value::I32(3), Value::I32(3), Ok(Value::Generic(1))), - (Value::I32(!3), Value::I32(3), Ok(Value::Generic(0))), - (Value::U32(3), Value::U32(3), Ok(Value::Generic(1))), - (Value::U32(!3), Value::U32(3), Ok(Value::Generic(0))), - (Value::I64(3), Value::I64(3), Ok(Value::Generic(1))), - (Value::I64(!3), Value::I64(3), Ok(Value::Generic(0))), - (Value::U64(3), Value::U64(3), Ok(Value::Generic(1))), - (Value::U64(!3), Value::U64(3), Ok(Value::Generic(0))), - (Value::F32(3.), Value::F32(3.), Ok(Value::Generic(1))), - (Value::F32(-3.), Value::F32(3.), Ok(Value::Generic(0))), - (Value::F64(3.), Value::F64(3.), Ok(Value::Generic(1))), - (Value::F64(-3.), Value::F64(3.), Ok(Value::Generic(0))), - (Value::Generic(3), Value::U32(3), Err(Error::TypeMismatch)), - ] { - assert_eq!(v1.eq(v2, addr_mask), result); - } - } - - #[test] - fn value_ne() { - let addr_mask = 0xffff_ffff; - for &(v1, v2, result) in &[ - (Value::Generic(3), Value::Generic(3), Ok(Value::Generic(0))), - (Value::Generic(!3), Value::Generic(3), Ok(Value::Generic(1))), - (Value::I8(3), Value::I8(3), Ok(Value::Generic(0))), - (Value::I8(!3), Value::I8(3), Ok(Value::Generic(1))), - (Value::U8(3), Value::U8(3), Ok(Value::Generic(0))), - (Value::U8(!3), Value::U8(3), Ok(Value::Generic(1))), - (Value::I16(3), Value::I16(3), Ok(Value::Generic(0))), - (Value::I16(!3), Value::I16(3), Ok(Value::Generic(1))), - (Value::U16(3), Value::U16(3), Ok(Value::Generic(0))), - (Value::U16(!3), Value::U16(3), Ok(Value::Generic(1))), - (Value::I32(3), Value::I32(3), Ok(Value::Generic(0))), - (Value::I32(!3), Value::I32(3), Ok(Value::Generic(1))), - (Value::U32(3), Value::U32(3), Ok(Value::Generic(0))), - (Value::U32(!3), Value::U32(3), Ok(Value::Generic(1))), - (Value::I64(3), Value::I64(3), Ok(Value::Generic(0))), - (Value::I64(!3), Value::I64(3), Ok(Value::Generic(1))), - (Value::U64(3), Value::U64(3), Ok(Value::Generic(0))), - (Value::U64(!3), Value::U64(3), Ok(Value::Generic(1))), - (Value::F32(3.), Value::F32(3.), Ok(Value::Generic(0))), - (Value::F32(-3.), Value::F32(3.), Ok(Value::Generic(1))), - (Value::F64(3.), Value::F64(3.), Ok(Value::Generic(0))), - (Value::F64(-3.), Value::F64(3.), Ok(Value::Generic(1))), - (Value::Generic(3), Value::U32(3), Err(Error::TypeMismatch)), - ] { - assert_eq!(v1.ne(v2, addr_mask), result); - } - } - - #[test] - fn value_ge() { - let addr_mask = 0xffff_ffff; - for &(v1, v2, result) in &[ - (Value::Generic(3), Value::Generic(!3), Ok(Value::Generic(1))), - (Value::Generic(!3), Value::Generic(3), Ok(Value::Generic(0))), - (Value::I8(3), Value::I8(!3), Ok(Value::Generic(1))), - (Value::I8(!3), Value::I8(3), Ok(Value::Generic(0))), - (Value::U8(3), Value::U8(!3), Ok(Value::Generic(0))), - (Value::U8(!3), Value::U8(3), Ok(Value::Generic(1))), - (Value::I16(3), Value::I16(!3), Ok(Value::Generic(1))), - (Value::I16(!3), Value::I16(3), Ok(Value::Generic(0))), - (Value::U16(3), Value::U16(!3), Ok(Value::Generic(0))), - (Value::U16(!3), Value::U16(3), Ok(Value::Generic(1))), - (Value::I32(3), Value::I32(!3), Ok(Value::Generic(1))), - (Value::I32(!3), Value::I32(3), Ok(Value::Generic(0))), - (Value::U32(3), Value::U32(!3), Ok(Value::Generic(0))), - (Value::U32(!3), Value::U32(3), Ok(Value::Generic(1))), - (Value::I64(3), Value::I64(!3), Ok(Value::Generic(1))), - (Value::I64(!3), Value::I64(3), Ok(Value::Generic(0))), - (Value::U64(3), Value::U64(!3), Ok(Value::Generic(0))), - (Value::U64(!3), Value::U64(3), Ok(Value::Generic(1))), - (Value::F32(3.), Value::F32(-3.), Ok(Value::Generic(1))), - (Value::F32(-3.), Value::F32(3.), Ok(Value::Generic(0))), - (Value::F64(3.), Value::F64(-3.), Ok(Value::Generic(1))), - (Value::F64(-3.), Value::F64(3.), Ok(Value::Generic(0))), - (Value::Generic(3), Value::U32(3), Err(Error::TypeMismatch)), - ] { - assert_eq!(v1.ge(v2, addr_mask), result); - } - } - - #[test] - fn value_gt() { - let addr_mask = 0xffff_ffff; - for &(v1, v2, result) in &[ - (Value::Generic(3), Value::Generic(!3), Ok(Value::Generic(1))), - (Value::Generic(!3), Value::Generic(3), Ok(Value::Generic(0))), - (Value::I8(3), Value::I8(!3), Ok(Value::Generic(1))), - (Value::I8(!3), Value::I8(3), Ok(Value::Generic(0))), - (Value::U8(3), Value::U8(!3), Ok(Value::Generic(0))), - (Value::U8(!3), Value::U8(3), Ok(Value::Generic(1))), - (Value::I16(3), Value::I16(!3), Ok(Value::Generic(1))), - (Value::I16(!3), Value::I16(3), Ok(Value::Generic(0))), - (Value::U16(3), Value::U16(!3), Ok(Value::Generic(0))), - (Value::U16(!3), Value::U16(3), Ok(Value::Generic(1))), - (Value::I32(3), Value::I32(!3), Ok(Value::Generic(1))), - (Value::I32(!3), Value::I32(3), Ok(Value::Generic(0))), - (Value::U32(3), Value::U32(!3), Ok(Value::Generic(0))), - (Value::U32(!3), Value::U32(3), Ok(Value::Generic(1))), - (Value::I64(3), Value::I64(!3), Ok(Value::Generic(1))), - (Value::I64(!3), Value::I64(3), Ok(Value::Generic(0))), - (Value::U64(3), Value::U64(!3), Ok(Value::Generic(0))), - (Value::U64(!3), Value::U64(3), Ok(Value::Generic(1))), - (Value::F32(3.), Value::F32(-3.), Ok(Value::Generic(1))), - (Value::F32(-3.), Value::F32(3.), Ok(Value::Generic(0))), - (Value::F64(3.), Value::F64(-3.), Ok(Value::Generic(1))), - (Value::F64(-3.), Value::F64(3.), Ok(Value::Generic(0))), - (Value::Generic(3), Value::U32(3), Err(Error::TypeMismatch)), - ] { - assert_eq!(v1.gt(v2, addr_mask), result); - } - } - - #[test] - fn value_le() { - let addr_mask = 0xffff_ffff; - for &(v1, v2, result) in &[ - (Value::Generic(3), Value::Generic(!3), Ok(Value::Generic(0))), - (Value::Generic(!3), Value::Generic(3), Ok(Value::Generic(1))), - (Value::I8(3), Value::I8(!3), Ok(Value::Generic(0))), - (Value::I8(!3), Value::I8(3), Ok(Value::Generic(1))), - (Value::U8(3), Value::U8(!3), Ok(Value::Generic(1))), - (Value::U8(!3), Value::U8(3), Ok(Value::Generic(0))), - (Value::I16(3), Value::I16(!3), Ok(Value::Generic(0))), - (Value::I16(!3), Value::I16(3), Ok(Value::Generic(1))), - (Value::U16(3), Value::U16(!3), Ok(Value::Generic(1))), - (Value::U16(!3), Value::U16(3), Ok(Value::Generic(0))), - (Value::I32(3), Value::I32(!3), Ok(Value::Generic(0))), - (Value::I32(!3), Value::I32(3), Ok(Value::Generic(1))), - (Value::U32(3), Value::U32(!3), Ok(Value::Generic(1))), - (Value::U32(!3), Value::U32(3), Ok(Value::Generic(0))), - (Value::I64(3), Value::I64(!3), Ok(Value::Generic(0))), - (Value::I64(!3), Value::I64(3), Ok(Value::Generic(1))), - (Value::U64(3), Value::U64(!3), Ok(Value::Generic(1))), - (Value::U64(!3), Value::U64(3), Ok(Value::Generic(0))), - (Value::F32(3.), Value::F32(-3.), Ok(Value::Generic(0))), - (Value::F32(-3.), Value::F32(3.), Ok(Value::Generic(1))), - (Value::F64(3.), Value::F64(-3.), Ok(Value::Generic(0))), - (Value::F64(-3.), Value::F64(3.), Ok(Value::Generic(1))), - (Value::Generic(3), Value::U32(3), Err(Error::TypeMismatch)), - ] { - assert_eq!(v1.le(v2, addr_mask), result); - } - } - - #[test] - fn value_lt() { - let addr_mask = 0xffff_ffff; - for &(v1, v2, result) in &[ - (Value::Generic(3), Value::Generic(!3), Ok(Value::Generic(0))), - (Value::Generic(!3), Value::Generic(3), Ok(Value::Generic(1))), - (Value::I8(3), Value::I8(!3), Ok(Value::Generic(0))), - (Value::I8(!3), Value::I8(3), Ok(Value::Generic(1))), - (Value::U8(3), Value::U8(!3), Ok(Value::Generic(1))), - (Value::U8(!3), Value::U8(3), Ok(Value::Generic(0))), - (Value::I16(3), Value::I16(!3), Ok(Value::Generic(0))), - (Value::I16(!3), Value::I16(3), Ok(Value::Generic(1))), - (Value::U16(3), Value::U16(!3), Ok(Value::Generic(1))), - (Value::U16(!3), Value::U16(3), Ok(Value::Generic(0))), - (Value::I32(3), Value::I32(!3), Ok(Value::Generic(0))), - (Value::I32(!3), Value::I32(3), Ok(Value::Generic(1))), - (Value::U32(3), Value::U32(!3), Ok(Value::Generic(1))), - (Value::U32(!3), Value::U32(3), Ok(Value::Generic(0))), - (Value::I64(3), Value::I64(!3), Ok(Value::Generic(0))), - (Value::I64(!3), Value::I64(3), Ok(Value::Generic(1))), - (Value::U64(3), Value::U64(!3), Ok(Value::Generic(1))), - (Value::U64(!3), Value::U64(3), Ok(Value::Generic(0))), - (Value::F32(3.), Value::F32(-3.), Ok(Value::Generic(0))), - (Value::F32(-3.), Value::F32(3.), Ok(Value::Generic(1))), - (Value::F64(3.), Value::F64(-3.), Ok(Value::Generic(0))), - (Value::F64(-3.), Value::F64(3.), Ok(Value::Generic(1))), - (Value::Generic(3), Value::U32(3), Err(Error::TypeMismatch)), - ] { - assert_eq!(v1.lt(v2, addr_mask), result); - } - } -} |