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13 Commits

Author SHA1 Message Date
David Mak 157854e71f standalone: Add math tests for non-number arguments 2023-10-23 10:05:51 +08:00
David Mak 73537ec458 core: Rework gamma/gammaln to match SciPy behavior
Matches behavior for infinities and NaNs.
2023-10-23 10:05:51 +08:00
David Mak 3fda3ea461 core: Replace TopLevelDef comments with documentation 2023-10-23 10:05:51 +08:00
David Mak 4cb1b9f014 core: Implement numpy and scipy functions 2023-10-23 10:05:51 +08:00
David Mak 59e1cd36ee core: Implement and expose {isinf,isnan} 2023-10-23 10:05:51 +08:00
David Mak 1392862b96 flake: Add scipy 2023-10-23 10:05:51 +08:00
David Mak 8d7ce7086b core: Add create_fn_by_* functions
Used for abstracting the creation of function from different sources.
2023-10-23 10:05:51 +08:00
David Mak a7e89e6b4c core: Do not cast floor/ceil result to int
NumPy explicitly states that the return type of the floor/ceil is float.
2023-10-23 10:05:51 +08:00
David Mak 3d3476619e core: Remove {ceil64,floor64,round,round64}
These are not present in NumPy or Artiq.
2023-10-23 10:05:51 +08:00
David Mak db82291891 standalone: Do not output sign if float is NaN
Matches behavior in Python.
2023-10-23 10:05:51 +08:00
David Mak e49b760e34 ld: Support multiple CFIs with different encoding in .eh_frame
We now parse each CFI to read its encoding as opposed to assuming that
all CFIs within the same EH_Frame uses the same encoding. FDEs are now
iterated in a per-CFI manner.
2023-10-20 18:15:03 +08:00
David Mak aa92778363 ld: Fix remapping of FDEs with multiple CFIs 2023-10-20 18:14:27 +08:00
David Mak e1487ed335 cargo: Update dependencies 2023-10-20 18:11:45 +08:00
14 changed files with 1483 additions and 438 deletions

179
Cargo.lock generated
View File

@ -27,9 +27,9 @@ dependencies = [
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@ -120,15 +120,15 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
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[[package]]
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@ -176,7 +176,7 @@ dependencies = [
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@ -332,25 +332,14 @@ checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
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@ -409,9 +398,9 @@ checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
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@ -442,15 +431,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -479,7 +462,7 @@ checksum = "b185e7d068d6820411502efa14d8fbf010750485399402156b72dd2a548ef8e9"
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[[package]]
@ -547,7 +530,7 @@ dependencies = [
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"pico-args",
"regex",
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@ -571,9 +554,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
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@ -593,9 +576,9 @@ checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"
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@ -612,9 +595,9 @@ dependencies = [
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@ -669,7 +652,7 @@ name = "nac3core"
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@ -738,13 +721,13 @@ dependencies = [
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@ -799,7 +782,7 @@ dependencies = [
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"syn 2.0.37",
"syn 2.0.38",
]
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@ -840,21 +823,21 @@ checksum = "925383efa346730478fb4838dbe9137d2a47675ad789c546d150a6e1dd4ab31c"
[[package]]
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@ -866,9 +849,9 @@ dependencies = [
[[package]]
name = "pyo3-build-config"
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@ -876,9 +859,9 @@ dependencies = [
[[package]]
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@ -886,25 +869,26 @@ dependencies = [
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@ -984,6 +968,15 @@ dependencies = [
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[[package]]
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@ -1024,6 +1017,12 @@ version = "0.7.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -1033,11 +1032,11 @@ dependencies = [
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@ -1064,28 +1063,28 @@ checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
[[package]]
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@ -1113,9 +1112,9 @@ dependencies = [
[[package]]
name = "similar"
version = "2.2.1"
version = "2.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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@ -1172,9 +1171,9 @@ dependencies = [
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@ -1183,9 +1182,9 @@ dependencies = [
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@ -1226,22 +1225,22 @@ dependencies = [
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source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -1341,9 +1340,9 @@ checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
[[package]]
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@ -1351,9 +1350,9 @@ dependencies = [
[[package]]
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@ -1364,9 +1363,9 @@ dependencies = [
[[package]]
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[[package]]
name = "utf8parse"

View File

@ -21,7 +21,7 @@
passthru.cargoLock = cargoLock;
nativeBuildInputs = [ pkgs.python3 pkgs.llvmPackages_14.clang packages.x86_64-linux.clang-unwrapped pkgs.llvmPackages_14.llvm.out llvm-nac3 ];
buildInputs = [ pkgs.python3 llvm-nac3 ];
checkInputs = [ (pkgs.python3.withPackages(ps: [ ps.numpy ])) ];
checkInputs = [ (pkgs.python3.withPackages(ps: [ ps.numpy ps.scipy ])) ];
checkPhase =
''
echo "Checking nac3standalone demos..."
@ -94,7 +94,7 @@
})
];
buildInputs = [
(python3-mimalloc.withPackages(ps: [ ps.numpy ps.jsonschema nac3artiq-instrumented ]))
(python3-mimalloc.withPackages(ps: [ ps.numpy ps.scipy ps.jsonschema nac3artiq-instrumented ]))
pkgs.llvmPackages_14.llvm.out
];
phases = [ "buildPhase" "installPhase" ];
@ -151,7 +151,7 @@
rustc
# runtime dependencies
lld_14 # for running kernels on the host
(packages.x86_64-linux.python3-mimalloc.withPackages(ps: [ ps.numpy ]))
(packages.x86_64-linux.python3-mimalloc.withPackages(ps: [ ps.numpy ps.scipy ]))
# development tools
cargo-insta
clippy

View File

@ -9,9 +9,9 @@ name = "nac3artiq"
crate-type = ["cdylib"]
[dependencies]
pyo3 = { version = "0.19", features = ["extension-module"] }
pyo3 = { version = "0.20", features = ["extension-module"] }
parking_lot = "0.12"
tempfile = "3"
tempfile = "3.8"
nac3parser = { path = "../nac3parser" }
nac3core = { path = "../nac3core" }
nac3ld = { path = "../nac3ld" }

View File

@ -22,4 +22,4 @@ indoc = "2.0"
insta = "=1.11.0"
[build-dependencies]
regex = "1"
regex = "1.10"

View File

@ -137,4 +137,12 @@ int32_t __nac3_list_slice_assign_var_size(
return dest_arr_len - (dest_end - dest_ind) - 1;
}
return dest_arr_len;
}
int32_t __nac3_isinf(double x) {
return __builtin_isinf(x);
}
int32_t __nac3_isnan(double x) {
return __builtin_isnan(x);
}

View File

@ -7,7 +7,7 @@ use inkwell::{
memory_buffer::MemoryBuffer,
module::Module,
types::BasicTypeEnum,
values::{IntValue, PointerValue},
values::{FloatValue, IntValue, PointerValue},
AddressSpace, IntPredicate,
};
use nac3parser::ast::Expr;
@ -432,3 +432,53 @@ pub fn list_slice_assignment<'ctx, 'a>(
ctx.builder.build_unconditional_branch(cont_bb);
ctx.builder.position_at_end(cont_bb);
}
/// Generates a call to `isinf` in IR. Returns either an `i32` or `i1` representing the result,
/// depending on the value of `to_i1`.
pub fn call_isinf<'ctx, 'a>(
generator: &dyn CodeGenerator,
ctx: &CodeGenContext<'ctx, 'a>,
v: FloatValue<'ctx>,
to_i1: bool,
) -> IntValue<'ctx> {
let intrinsic_fn = ctx.module.get_function("__nac3_isinf").unwrap_or_else(|| {
let fn_type = ctx.ctx.i32_type().fn_type(&[ctx.ctx.f64_type().into()], false);
ctx.module.add_function("__nac3_isinf", fn_type, None)
});
let val = ctx.builder
.build_call(intrinsic_fn, &[v.into()], "isinf")
.try_as_basic_value()
.unwrap_left()
.into_int_value();
if to_i1 {
generator.bool_to_i1(ctx, val)
} else {
val
}
}
/// Generates a call to `isnan` in IR. Returns either an `i32` or `i1` representing the result,
/// depending on the value of `to_i1`.
pub fn call_isnan<'ctx, 'a>(
generator: &dyn CodeGenerator,
ctx: &CodeGenContext<'ctx, 'a>,
v: FloatValue<'ctx>,
to_i1: bool,
) -> IntValue<'ctx> {
let intrinsic_fn = ctx.module.get_function("__nac3_isnan").unwrap_or_else(|| {
let fn_type = ctx.ctx.i32_type().fn_type(&[ctx.ctx.f64_type().into()], false);
ctx.module.add_function("__nac3_isnan", fn_type, None)
});
let val = ctx.builder
.build_call(intrinsic_fn, &[v.into()], "isnan")
.try_as_basic_value()
.unwrap_left()
.into_int_value();
if to_i1 {
generator.bool_to_i1(ctx, val)
} else {
val
}
}

File diff suppressed because it is too large Load Diff

View File

@ -82,51 +82,55 @@ pub struct FunInstance {
#[derive(Debug, Clone)]
pub enum TopLevelDef {
Class {
// name for error messages and symbols
/// Name for error messages and symbols.
name: StrRef,
// object ID used for TypeEnum
/// Object ID used for [TypeEnum].
object_id: DefinitionId,
/// type variables bounded to the class.
type_vars: Vec<Type>,
// class fields
// name, type, is mutable
/// Class fields.
///
/// Name and type is mutable.
fields: Vec<(StrRef, Type, bool)>,
// class methods, pointing to the corresponding function definition.
/// Class methods, pointing to the corresponding function definition.
methods: Vec<(StrRef, Type, DefinitionId)>,
// ancestor classes, including itself.
/// Ancestor classes, including itself.
ancestors: Vec<TypeAnnotation>,
// symbol resolver of the module defined the class, none if it is built-in type
/// Symbol resolver of the module defined the class; [None] if it is built-in type.
resolver: Option<Arc<dyn SymbolResolver + Send + Sync>>,
// constructor type
/// Constructor type.
constructor: Option<Type>,
// definition location
/// Definition location.
loc: Option<Location>,
},
Function {
// prefix for symbol, should be unique globally
/// Prefix for symbol, should be unique globally.
name: String,
// simple name, the same as in method/function definition
/// Simple name, the same as in method/function definition.
simple_name: StrRef,
// function signature.
/// Function signature.
signature: Type,
// instantiated type variable IDs
/// Instantiated type variable IDs.
var_id: Vec<u32>,
/// Function instance to symbol mapping
/// Key: string representation of type variable values, sorted by variable ID in ascending
///
/// * Key: String representation of type variable values, sorted by variable ID in ascending
/// order, including type variables associated with the class.
/// Value: function symbol name.
/// * Value: Function symbol name.
instance_to_symbol: HashMap<String, String>,
/// Function instances to annotated AST mapping
/// Key: string representation of type variable values, sorted by variable ID in ascending
///
/// * Key: String representation of type variable values, sorted by variable ID in ascending
/// order, including type variables associated with the class. Excluding rigid type
/// variables.
/// rigid type variables that would be substituted when the function is instantiated.
///
/// Rigid type variables that would be substituted when the function is instantiated.
instance_to_stmt: HashMap<String, FunInstance>,
// symbol resolver of the module defined the class
/// Symbol resolver of the module defined the class.
resolver: Option<Arc<dyn SymbolResolver + Send + Sync>>,
// custom codegen callback
/// Custom code generation callback.
codegen_callback: Option<Arc<GenCall>>,
// definition location
/// Definition location.
loc: Option<Location>,
},
}

View File

@ -5,4 +5,4 @@ authors = ["M-Labs"]
edition = "2021"
[dependencies]
byteorder = { version = "1.4", default-features = false }
byteorder = { version = "1.5", default-features = false }

View File

@ -27,20 +27,33 @@ pub const DW_EH_PE_indirect: u8 = 0x80;
pub struct DwarfReader<'a> {
pub slice: &'a [u8],
pub virt_addr: u32,
base_slice: &'a [u8],
base_virt_addr: u32,
}
impl<'a> DwarfReader<'a> {
pub fn new(slice: &[u8], virt_addr: u32) -> DwarfReader {
DwarfReader { slice, virt_addr }
DwarfReader { slice, virt_addr, base_slice: slice, base_virt_addr: virt_addr }
}
pub fn offset(&mut self, offset: i32) {
/// Creates a new instance from another instance of [DwarfReader], optionally removing any
/// offsets previously applied to the other instance.
pub fn from_reader(other: &DwarfReader<'a>, reset_offset: bool) -> DwarfReader<'a> {
if reset_offset {
DwarfReader::new(&other.base_slice, other.base_virt_addr)
} else {
DwarfReader::new(&other.slice, other.virt_addr)
}
}
pub fn offset(&mut self, offset: u32) {
self.slice = &self.slice[offset as usize..];
self.virt_addr = self.virt_addr.wrapping_add(offset as u32);
self.virt_addr = self.virt_addr.wrapping_add(offset);
}
// ULEB128 and SLEB128 encodings are defined in Section 7.6 - "Variable
// Length Data".
/// ULEB128 and SLEB128 encodings are defined in Section 7.6 - "Variable Length Data" of the
/// [DWARF-4 Manual](https://dwarfstd.org/doc/DWARF4.pdf).
pub fn read_uleb128(&mut self) -> u64 {
let mut shift: usize = 0;
let mut result: u64 = 0;
@ -70,7 +83,7 @@ impl<'a> DwarfReader<'a> {
}
// sign-extend
if shift < u64::BITS && (byte & 0x40) != 0 {
result |= (!0 as u64) << shift;
result |= (!0u64) << shift;
}
result as i64
}
@ -200,38 +213,69 @@ fn round_up(unrounded: usize, align: usize) -> Result<usize, ()> {
}
}
// Minimalistic structure to store everything needed for parsing FDEs to synthesize
// .eh_frame_hdr section. Since we are only linking 1 object file, there should only be 1 call
// frame information (CFI) record, so there should be only 1 common information entry (CIE).
// So the class parses the only CIE on init, cache the encoding info, then parse the FDE on
// iterations based on the cached encoding format.
/// Minimalistic structure to store everything needed for parsing FDEs to synthesize `.eh_frame_hdr`
/// section.
///
/// Refer to [The Linux Standard Base Core Specification, Generic Part](https://refspecs.linuxfoundation.org/LSB_5.0.0/LSB-Core-generic/LSB-Core-generic/ehframechpt.html)
/// for more information.
pub struct EH_Frame<'a> {
// It refers to the augmentation data that corresponds to 'R' in the augmentation string
pub fde_pointer_encoding: u8,
pub fde_reader: DwarfReader<'a>,
pub fde_sz: usize,
reader: DwarfReader<'a>,
}
impl<'a> EH_Frame<'a> {
/// Creates an [EH_Frame] using the bytes in the `.eh_frame` section and its address in the ELF
/// file.
pub fn new(eh_frame_slice: &[u8], eh_frame_addr: u32) -> Result<EH_Frame, ()> {
let mut cie_reader = DwarfReader::new(eh_frame_slice, eh_frame_addr);
let eh_frame_size = eh_frame_slice.len();
Ok(EH_Frame { reader: DwarfReader::new(eh_frame_slice, eh_frame_addr) })
}
/// Returns an [Iterator] over all Call Frame Information (CFI) records.
pub fn cfi_records(&self) -> CFI_Records<'a> {
let reader = DwarfReader::from_reader(&self.reader, true);
let len = reader.slice.len();
CFI_Records {
reader,
available: len,
}
}
}
/// A single Call Frame Information (CFI) record.
///
/// From the [specification](https://refspecs.linuxfoundation.org/LSB_5.0.0/LSB-Core-generic/LSB-Core-generic/ehframechpt.html):
///
/// > Each CFI record contains a Common Information Entry (CIE) record followed by 1 or more Frame
/// Description Entry (FDE) records.
pub struct CFI_Record<'a> {
// It refers to the augmentation data that corresponds to 'R' in the augmentation string
fde_pointer_encoding: u8,
fde_reader: DwarfReader<'a>,
}
impl<'a> CFI_Record<'a> {
pub fn from_reader(cie_reader: &mut DwarfReader<'a>) -> Result<CFI_Record<'a>, ()> {
let length = cie_reader.read_u32();
let fde_reader = match length {
// eh_frame with 0 lengths means the CIE is terminated
// while length == u32::MAX means that the length is only representable with 64 bits,
0 => panic!("Cannot create an EH_Frame from a termination CIE"),
// length == u32::MAX means that the length is only representable with 64 bits,
// which does not make sense in a system with 32-bit address.
0 | 0xFFFFFFFF => unimplemented!(),
0xFFFFFFFF => unimplemented!(),
_ => {
let mut fde_reader = DwarfReader::new(cie_reader.slice, cie_reader.virt_addr);
fde_reader.offset(length as i32);
let mut fde_reader = DwarfReader::from_reader(&cie_reader, false);
fde_reader.offset(length);
fde_reader
}
};
let fde_sz = eh_frame_size - mem::size_of::<u32>() - length as usize;
// Routine check on the .eh_frame well-formness, in terms of CIE ID & Version args.
assert_eq!(cie_reader.read_u32(), 0);
let cie_ptr = cie_reader.read_u32();
assert_eq!(cie_ptr, 0);
assert_eq!(cie_reader.read_u8(), 1);
// Parse augmentation string
@ -242,7 +286,7 @@ impl<'a> EH_Frame<'a> {
// Skip code/data alignment factors & return address register along the way as well
// We only tackle the case where 'z' and 'R' are part of the augmentation string, otherwise
// we cannot get the addresses to make .eh_frame_hdr
let mut aug_data_reader = DwarfReader::new(cie_reader.slice, cie_reader.virt_addr);
let mut aug_data_reader = DwarfReader::from_reader(&cie_reader, false);
let mut aug_str_len = 0;
loop {
if aug_data_reader.read_u8() == b'\0' {
@ -279,43 +323,121 @@ impl<'a> EH_Frame<'a> {
}
assert_ne!(fde_pointer_encoding, DW_EH_PE_omit);
Ok(EH_Frame { fde_pointer_encoding, fde_reader, fde_sz })
Ok(CFI_Record {
fde_pointer_encoding,
fde_reader,
})
}
pub fn iterate_fde(&self, callback: &mut dyn FnMut(u32, u32)) -> Result<(), ()> {
/// Returns a [DwarfReader] initialized to the first Frame Description Entry (FDE) of this CFI
/// record.
pub fn get_fde_reader(&self) -> DwarfReader<'a> {
DwarfReader::from_reader(&self.fde_reader, true)
}
/// Returns an [Iterator] over all Frame Description Entries (FDEs).
pub fn fde_records(&self) -> FDE_Records<'a> {
let reader = self.get_fde_reader();
let len = reader.slice.len();
FDE_Records {
pointer_encoding: self.fde_pointer_encoding,
reader,
available: len,
}
}
}
/// [Iterator] over Call Frame Information (CFI) records in an
/// [Exception Handling (EH) frame][EH_Frame].
pub struct CFI_Records<'a> {
reader: DwarfReader<'a>,
available: usize,
}
impl<'a> Iterator for CFI_Records<'a> {
type Item = CFI_Record<'a>;
fn next(&mut self) -> Option<Self::Item> {
loop {
if self.available == 0 {
return None;
}
let mut this_reader = DwarfReader::from_reader(&self.reader, false);
// Remove the length of the header and the content from the counter
let length = self.reader.read_u32();
let length = match length {
// eh_frame with 0-length means the CIE is terminated
0 => return None,
0xFFFFFFFF => unimplemented!("CIE entries larger than 4 bytes not supported"),
other => other,
} as usize;
// Remove the length of the header and the content from the counter
self.available -= length + mem::size_of::<u32>();
let mut next_reader = DwarfReader::from_reader(&self.reader, false);
next_reader.offset(length as u32);
let cie_ptr = self.reader.read_u32();
self.reader = next_reader;
// Skip this record if it is a FDE
if cie_ptr == 0 {
// Rewind back to the start of the CFI Record
return Some(CFI_Record::from_reader(&mut this_reader).ok().unwrap())
}
}
}
}
/// [Iterator] over Frame Description Entries (FDEs) in an
/// [Exception Handling (EH) frame][EH_Frame].
pub struct FDE_Records<'a> {
pointer_encoding: u8,
reader: DwarfReader<'a>,
available: usize,
}
impl<'a> Iterator for FDE_Records<'a> {
type Item = (u32, u32);
fn next(&mut self) -> Option<Self::Item> {
// Parse each FDE to obtain the starting address that the FDE applies to
// Send the FDE offset and the mentioned address to a callback that write up the
// .eh_frame_hdr section
let mut remaining_len = self.fde_sz;
let mut reader = DwarfReader::new(self.fde_reader.slice, self.fde_reader.virt_addr);
loop {
if remaining_len == 0 {
break;
}
let fde_virt_addr = reader.virt_addr;
let length = match reader.read_u32() {
0 | 0xFFFFFFFF => unimplemented!(),
other => other,
};
// Remove the length of the header and the content from the counter
remaining_len -= length as usize + mem::size_of::<u32>();
let mut next_fde_reader = DwarfReader::new(reader.slice, reader.virt_addr);
next_fde_reader.offset(length as i32);
// Skip CIE pointer offset
reader.read_u32();
// Parse PC Begin using the encoding scheme mentioned in the CIE
let pc_begin = read_encoded_pointer_with_pc(&mut reader, self.fde_pointer_encoding)?;
callback(pc_begin as u32, fde_virt_addr);
reader = next_fde_reader;
if self.available == 0 {
return None;
}
Ok(())
// Remove the length of the header and the content from the counter
let length = match self.reader.read_u32() {
// eh_frame with 0-length means the CIE is terminated
0 => return None,
0xFFFFFFFF => unimplemented!("CIE entries larger than 4 bytes not supported"),
other => other,
} as usize;
// Remove the length of the header and the content from the counter
self.available -= length + mem::size_of::<u32>();
let mut next_fde_reader = DwarfReader::from_reader(&self.reader, false);
next_fde_reader.offset(length as u32);
let cie_ptr = self.reader.read_u32();
let next_val = if cie_ptr != 0 {
let pc_begin = read_encoded_pointer_with_pc(&mut self.reader, self.pointer_encoding)
.expect("Failed to read PC Begin");
Some((pc_begin as u32, self.reader.virt_addr))
} else {
None
};
self.reader = next_fde_reader;
next_val
}
}
@ -326,29 +448,32 @@ pub struct EH_Frame_Hdr<'a> {
}
impl<'a> EH_Frame_Hdr<'a> {
// Create a EH_Frame_Hdr object, and write out the fixed fields of .eh_frame_hdr to memory
// eh_frame_ptr_enc will be 0x1B (PC-relative, 4 bytes)
// table_enc will be 0x3B (Relative to the start of .eh_frame_hdr, 4 bytes)
// Load address is not known at this point.
/// Create a [EH_Frame_Hdr] object, and write out the fixed fields of `.eh_frame_hdr` to memory.
///
/// Load address is not known at this point.
pub fn new(
eh_frame_hdr_slice: &mut [u8],
eh_frame_hdr_addr: u32,
eh_frame_addr: u32,
) -> EH_Frame_Hdr {
let mut writer = DwarfWriter::new(eh_frame_hdr_slice);
writer.write_u8(1);
writer.write_u8(0x1B);
writer.write_u8(0x03);
writer.write_u8(0x3B);
let eh_frame_offset =
(eh_frame_addr).wrapping_sub(eh_frame_hdr_addr + ((mem::size_of::<u8>() as u32) * 4));
writer.write_u32(eh_frame_offset);
writer.write_u32(0);
writer.write_u8(1); // version
writer.write_u8(0x1B); // eh_frame_ptr_enc - PC-relative 4-byte signed value
writer.write_u8(0x03); // fde_count_enc - 4-byte unsigned value
writer.write_u8(0x3B); // table_enc - .eh_frame_hdr section-relative 4-byte signed value
let eh_frame_offset = eh_frame_addr
.wrapping_sub(eh_frame_hdr_addr + writer.offset as u32 + ((mem::size_of::<u8>() as u32) * 4));
writer.write_u32(eh_frame_offset); // eh_frame_ptr
writer.write_u32(0); // `fde_count`, will be written in finalize_fde
EH_Frame_Hdr { fde_writer: writer, eh_frame_hdr_addr, fdes: Vec::new() }
}
/// The offset of the `fde_count` value relative to the start of the `.eh_frame_hdr` section in
/// bytes.
fn fde_count_offset() -> usize {
8
}
@ -382,11 +507,17 @@ impl<'a> EH_Frame_Hdr<'a> {
if entry_length == 0 || entry_length == 0xFFFFFFFF {
unimplemented!()
}
if reader.read_u32() != 0 {
// This slot stores the CIE ID (for CIE)/CIE Pointer (for FDE).
// This value must be non-zero for FDEs.
let cie_ptr = reader.read_u32();
if cie_ptr != 0 {
fde_count += 1;
}
reader.offset(entry_length as i32 - mem::size_of::<u32>() as i32)
reader.offset(entry_length - mem::size_of::<u32>() as u32)
}
12 + fde_count * 8
}
}

View File

@ -556,10 +556,9 @@ impl<'a> Linker<'a> {
eh_frame_hdr_rec.shdr.sh_offset,
eh_frame_rec.shdr.sh_offset,
);
let mut fde_callback = |init_pos, virt_addr| eh_frame_hdr.add_fde(init_pos, virt_addr);
eh_frame
.iterate_fde(&mut fde_callback)
.map_err(|()| "failed to add FDE to .eh_frame_hdr while iterating .eh_frame")?;
eh_frame.cfi_records()
.flat_map(|cfi| cfi.fde_records())
.for_each(&mut |(init_pos, virt_addr)| eh_frame_hdr.add_fde(init_pos, virt_addr));
// Sort FDE entries in .eh_frame_hdr
eh_frame_hdr.finalize_fde();

View File

@ -1,3 +1,4 @@
#include <math.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
@ -12,6 +13,14 @@
#error "Unsupported platform - Platform is not 32-bit or 64-bit"
#endif
double dbl_nan(void) {
return NAN;
}
double dbl_inf(void) {
return INFINITY;
}
void output_bool(bool x) {
puts(x ? "True" : "False");
}
@ -33,7 +42,11 @@ void output_uint64(uint64_t x) {
}
void output_float64(double x) {
printf("%f\n", x);
if (isnan(x)) {
puts("nan");
} else {
printf("%f\n", x);
}
}
void output_asciiart(int32_t x) {

View File

@ -3,7 +3,9 @@
import sys
import importlib.util
import importlib.machinery
import numpy as np
import pathlib
import scipy
from numpy import int32, int64, uint32, uint64
from typing import TypeVar, Generic
@ -42,6 +44,12 @@ def Some(v: T) -> Option[T]:
none = Option(None)
def patch(module):
def dbl_nan():
return np.nan
def dbl_inf():
return np.inf
def output_asciiart(x):
if x < 0:
sys.stdout.write("\n")
@ -56,7 +64,11 @@ def patch(module):
def extern(fun):
name = fun.__name__
if name == "output_asciiart":
if name == "dbl_nan":
return dbl_nan
elif name == "dbl_inf":
return dbl_inf
elif name == "output_asciiart":
return output_asciiart
elif name == "output_float64":
return output_float
@ -86,6 +98,48 @@ def patch(module):
module.Some = Some
module.none = none
# NumPy math functions
module.isnan = np.isnan
module.isinf = np.isinf
module.sin = np.sin
module.cos = np.cos
module.exp = np.exp
module.exp2 = np.exp2
module.log = np.log
module.log10 = np.log10
module.log2 = np.log2
module.fabs = np.fabs
module.floor = np.floor
module.ceil = np.ceil
module.trunc = np.trunc
module.sqrt = np.sqrt
module.rint = np.rint
module.tan = np.tan
module.arcsin = np.arcsin
module.arccos = np.arccos
module.arctan = np.arctan
module.sinh = np.sinh
module.cosh = np.cosh
module.tanh = np.tanh
module.arcsinh = np.arcsinh
module.arccosh = np.arccosh
module.arctanh = np.arctanh
module.expm1 = np.expm1
module.cbrt = np.cbrt
module.erf = scipy.special.erf
module.erfc = scipy.special.erfc
module.gamma = scipy.special.gamma
module.gammaln = scipy.special.gammaln
module.j0 = scipy.special.j0
module.j1 = scipy.special.j1
module.arctan2 = np.arctan2
module.copysign = np.copysign
module.fmax = np.fmax
module.fmin = np.fmin
module.ldexp = np.ldexp
module.hypot = np.hypot
module.nextafter = np.nextafter
def file_import(filename, prefix="file_import_"):
filename = pathlib.Path(filename)

View File

@ -0,0 +1,236 @@
@extern
def output_bool(x: bool):
...
@extern
def output_float64(x: float):
...
@extern
def dbl_nan() -> float:
...
@extern
def dbl_inf() -> float:
...
def dbl_pi() -> float:
return 3.1415926535897932384626433
def dbl_e() -> float:
return 2.71828182845904523536028747135266249775724709369995
def test_isnan():
for x in [dbl_nan(), 0.0, dbl_inf()]:
output_bool(isnan(x))
def test_isinf():
for x in [dbl_inf(), -dbl_inf(), 0.0, dbl_nan()]:
output_bool(isinf(x))
def test_sin():
pi = dbl_pi()
for x in [-pi, -pi / 2.0, -pi / 4.0, 0.0, pi / 4.0, pi / 2.0, pi, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(sin(x))
def test_cos():
pi = dbl_pi()
for x in [-pi, -pi / 2.0, -pi / 4.0, 0.0, pi / 4.0, pi / 2.0, pi, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(cos(x))
def test_exp():
for x in [0.0, 1.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(exp(x))
def test_exp2():
for x in [0.0, 1.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(exp2(x))
def test_log():
e = dbl_e()
for x in [1.0, e, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(log(x))
def test_log10():
for x in [1.0, 10.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(log10(x))
def test_log2():
for x in [1.0, 2.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(log2(x))
def test_fabs():
for x in [-1.0, 0.0, 1.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(fabs(x))
def test_floor():
for x in [-1.5, -0.5, 0.5, 1.5, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(floor(x))
def test_ceil():
for x in [-1.5, -0.5, 0.5, 1.5, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(ceil(x))
def test_trunc():
for x in [-1.5, -0.5, 0.5, 1.5, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(trunc(x))
def test_sqrt():
for x in [1.0, 2.0, 4.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(sqrt(x))
def test_rint():
for x in [-1.5, -0.5, 0.5, 1.5, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(rint(x))
def test_tan():
pi = dbl_pi()
for x in [-pi, -pi / 2.0, -pi / 4.0, 0.0, pi / 4.0, pi / 2.0, pi, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(tan(x))
def test_arcsin():
for x in [-1.0, -0.5, 0.0, 0.5, 1.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(arcsin(x))
def test_arccos():
for x in [-1.0, -0.5, 0.0, 0.5, 1.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(arccos(x))
def test_arctan():
for x in [-1.0, -0.5, 0.0, 0.5, 1.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(arctan(x))
def test_sinh():
for x in [-1.0, -0.5, 0.0, 0.5, 1.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(sinh(x))
def test_cosh():
for x in [-1.0, -0.5, 0.0, 0.5, 1.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(cosh(x))
def test_tanh():
for x in [-1.0, -0.5, 0.0, 0.5, 1.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(tanh(x))
def test_arcsinh():
for x in [-1.0, -0.5, 0.0, 0.5, 1.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(arcsinh(x))
def test_arccosh():
for x in [-1.0, -0.5, 0.0, 0.5, 1.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(arccosh(x))
def test_arctanh():
for x in [-1.0, -0.5, 0.0, 0.5, 1.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(arctanh(x))
def test_expm1():
for x in [0.0, 1.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(expm1(x))
def test_cbrt():
for x in [1.0, 8.0, 27.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(expm1(x))
def test_erf():
for x in [-3.0, -2.0, -1.0, 0.0, 1.0, 2.0, 3.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(erf(x))
def test_erfc():
for x in [-3.0, -2.0, -1.0, 0.0, 1.0, 2.0, 3.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(erfc(x))
def test_gamma():
for x in [-2.0, -1.5, -1.0, -0.5, 0.0, 0.5, 1.0, 1.5, 2.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(gamma(x))
def test_gammaln():
for x in [-2.0, -1.5, -1.0, -0.5, 0.0, 0.5, 1.0, 1.5, 2.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(gammaln(x))
def test_j0():
for x in [-2.0, -1.5, -1.0, -0.5, 0.0, 0.5, 1.0, 1.5, 2.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(j0(x))
def test_j1():
for x in [-2.0, -1.5, -1.0, -0.5, 0.0, 0.5, 1.0, 1.5, 2.0]:
output_float64(j1(x))
def test_arctan2():
for x1 in [-1.0, -0.5, 0.0, 0.5, 1.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
for x2 in [-1.0, -0.5, 0.0, 0.5, 1.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(arctan2(x1, x2))
def test_copysign():
for x1 in [-1.0, -0.5, 0.0, 0.5, 1.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
for x2 in [-1.0, -0.5, 0.0, 0.5, 1.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(copysign(x1, x2))
def test_fmax():
for x1 in [-1.0, -0.5, 0.0, 0.5, 1.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
for x2 in [-1.0, -0.5, 0.0, 0.5, 1.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(fmax(x1, x2))
def test_fmin():
for x1 in [-1.0, -0.5, 0.0, 0.5, 1.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
for x2 in [-1.0, -0.5, 0.0, 0.5, 1.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(fmin(x1, x2))
def test_ldexp():
for x1 in [-2.0, -1.5, -1.0, -0.5, 0.0, 0.5, 1.0, 1.5, 2.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
for x2 in [-2, -1, 0, 1, 2]:
output_float64(ldexp(x1, x2))
def test_hypot():
for x1 in [-2.0, -1.5, -1.0, -0.5, 0.0, 0.5, 1.0, 1.5, 2.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
for x2 in [-2.0, -1.5, -1.0, -0.5, 0.0, 0.5, 1.0, 1.5, 2.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(hypot(x1, x2))
def test_nextafter():
for x1 in [-2.0, -1.5, -1.0, -0.5, 0.0, 0.5, 1.0, 1.5, 2.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
for x2 in [-2.0, -1.5, -1.0, -0.5, 0.0, 0.5, 1.0, 1.5, 2.0, dbl_inf(), -dbl_inf(), dbl_nan()]:
output_float64(nextafter(x1, x2))
def run() -> int32:
test_isnan()
test_isinf()
test_sin()
test_cos()
test_exp()
test_exp2()
test_log()
test_log10()
test_log2()
test_fabs()
test_floor()
test_ceil()
test_trunc()
test_sqrt()
test_rint()
test_tan()
test_arcsin()
test_arccos()
test_arctan()
test_sinh()
test_cosh()
test_tanh()
test_arcsinh()
test_arccosh()
test_arctanh()
test_expm1()
test_cbrt()
test_erf()
test_erfc()
test_gamma()
test_gammaln()
test_j0()
test_j1()
test_arctan2()
test_copysign()
test_fmax()
test_fmin()
test_ldexp()
test_hypot()
test_nextafter()
return 0