From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001
From: Valentin Popov <valentin@popov.link>
Date: Mon, 8 Jan 2024 01:21:28 +0400
Subject: Initial vendor packages
Signed-off-by: Valentin Popov <valentin@popov.link>
---
vendor/gimli/src/read/value.rs | 1621 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 1621 insertions(+)
create mode 100644 vendor/gimli/src/read/value.rs
(limited to 'vendor/gimli/src/read/value.rs')
diff --git a/vendor/gimli/src/read/value.rs b/vendor/gimli/src/read/value.rs
new file mode 100644
index 0000000..77b08ed
--- /dev/null
+++ b/vendor/gimli/src/read/value.rs
@@ -0,0 +1,1621 @@
+//! 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);
+ }
+ }
+}
--
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