1 files changed, 225 insertions, 0 deletions
diff --git a/third_party/rust/minidump-writer/src/linux/errors.rs b/third_party/rust/minidump-writer/src/linux/errors.rs
new file mode 100644
index 0000000000..e423389f44
--- /dev/null
+++ b/third_party/rust/minidump-writer/src/linux/errors.rs
@@ -0,0 +1,225 @@
+use crate::dir_section::FileWriterError;
+use crate::maps_reader::MappingInfo;
+use crate::mem_writer::MemoryWriterError;
+use crate::thread_info::Pid;
+use goblin;
+use thiserror::Error;
+
+#[derive(Debug, Error)]
+pub enum InitError {
+    #[error("IO error for file {0}")]
+    IOError(String, #[source] std::io::Error),
+    #[error("No auxv entry found for PID {0}")]
+    NoAuxvEntryFound(Pid),
+    #[error("crash thread does not reference principal mapping")]
+    PrincipalMappingNotReferenced,
+    #[error("Failed Android specific late init")]
+    AndroidLateInitError(#[from] AndroidError),
+}
+
+#[derive(Error, Debug)]
+pub enum MapsReaderError {
+    // parse_from_line()
+    #[error("Map entry malformed: No {0} found")]
+    MapEntryMalformed(&'static str),
+    #[error("Couldn't parse address")]
+    UnparsableInteger(#[from] std::num::ParseIntError),
+    #[error("Linux gate location doesn't fit in the required integer type")]
+    LinuxGateNotConvertable(#[from] std::num::TryFromIntError),
+
+    // get_mmap()
+    #[error("Not safe to open mapping {0}")]
+    NotSafeToOpenMapping(String),
+    #[error("IO Error")]
+    FileError(#[from] std::io::Error),
+    #[error("Mmapped file empty or not an ELF file")]
+    MmapSanityCheckFailed,
+    #[error("Symlink does not match ({0} vs. {1}")]
+    SymlinkError(std::path::PathBuf, std::path::PathBuf),
+
+    // handle_deleted_file_in_mapping()
+    #[error("Couldn't parse as ELF file")]
+    ELFParsingFailed(#[from] goblin::error::Error),
+    #[error("No soname found (filename: {0}")]
+    NoSoName(String),
+}
+
+#[derive(Debug, Error)]
+pub enum AuxvReaderError {
+    #[error("Invalid auxv format (should not hit EOF before AT_NULL)")]
+    InvalidFormat,
+    #[error("IO Error")]
+    IOError(#[from] std::io::Error),
+}
+
+#[derive(Debug, Error)]
+pub enum CpuInfoError {
+    #[error("IO error for file /proc/cpuinfo")]
+    IOError(#[from] std::io::Error),
+    #[error("Not all entries of /proc/cpuinfo found!")]
+    NotAllProcEntriesFound,
+    #[error("Couldn't parse core from file")]
+    UnparsableInteger(#[from] std::num::ParseIntError),
+    #[error("Couldn't parse cores: {0}")]
+    UnparsableCores(String),
+}
+
+#[derive(Error, Debug)]
+pub enum ThreadInfoError {
+    #[error("Index out of bounds: Got {0}, only have {1}")]
+    IndexOutOfBounds(usize, usize),
+    #[error("Either ppid ({1}) or tgid ({2}) not found in {0}")]
+    InvalidPid(String, Pid, Pid),
+    #[error("IO error")]
+    IOError(#[from] std::io::Error),
+    #[error("Couldn't parse address")]
+    UnparsableInteger(#[from] std::num::ParseIntError),
+    #[error("nix::ptrace() error")]
+    PtraceError(#[from] nix::Error),
+    #[error("Invalid line in /proc/{0}/status: {1}")]
+    InvalidProcStatusFile(Pid, String),
+}
+
+#[derive(Debug, Error)]
+pub enum AndroidError {
+    #[error("Failed to copy memory from process")]
+    CopyFromProcessError(#[from] DumperError),
+    #[error("Failed slice conversion")]
+    TryFromSliceError(#[from] std::array::TryFromSliceError),
+    #[error("No Android rel found")]
+    NoRelFound,
+}
+
+#[derive(Debug, Error)]
+pub enum DumperError {
+    #[error("Failed to get PAGE_SIZE from system")]
+    SysConfError(#[from] nix::Error),
+    #[error("wait::waitpid(Pid={0}) failed")]
+    WaitPidError(Pid, #[source] nix::Error),
+    #[error("nix::ptrace::attach(Pid={0}) failed")]
+    PtraceAttachError(Pid, #[source] nix::Error),
+    #[error("nix::ptrace::detach(Pid={0}) failed")]
+    PtraceDetachError(Pid, #[source] nix::Error),
+    #[error("Copy from process {0} failed (source {1}, offset: {2}, length: {3})")]
+    CopyFromProcessError(Pid, usize, usize, usize, #[source] nix::Error),
+    #[error("Skipped thread {0} due to it being part of the seccomp sandbox's trusted code")]
+    DetachSkippedThread(Pid),
+    #[error("No threads left to suspend out of {0}")]
+    SuspendNoThreadsLeft(usize),
+    #[error("No mapping for stack pointer found")]
+    NoStackPointerMapping,
+    #[error("Failed slice conversion")]
+    TryFromSliceError(#[from] std::array::TryFromSliceError),
+    #[error("Couldn't parse as ELF file")]
+    ELFParsingFailed(#[from] goblin::error::Error),
+    #[error("No build-id found")]
+    NoBuildIDFound,
+    #[error("Not safe to open mapping: {0}")]
+    NotSafeToOpenMapping(String),
+    #[error("Failed integer conversion")]
+    TryFromIntError(#[from] std::num::TryFromIntError),
+    #[error("Maps reader error")]
+    MapsReaderError(#[from] MapsReaderError),
+}
+
+#[derive(Debug, Error)]
+pub enum SectionAppMemoryError {
+    #[error("Failed to copy memory from process")]
+    CopyFromProcessError(#[from] DumperError),
+    #[error("Failed to write to memory")]
+    MemoryWriterError(#[from] MemoryWriterError),
+}
+
+#[derive(Debug, Error)]
+pub enum SectionExceptionStreamError {
+    #[error("Failed to write to memory")]
+    MemoryWriterError(#[from] MemoryWriterError),
+}
+
+#[derive(Debug, Error)]
+pub enum SectionMappingsError {
+    #[error("Failed to write to memory")]
+    MemoryWriterError(#[from] MemoryWriterError),
+    #[error("Failed to get effective path of mapping ({0:?})")]
+    GetEffectivePathError(MappingInfo, #[source] MapsReaderError),
+}
+
+#[derive(Debug, Error)]
+pub enum SectionMemListError {
+    #[error("Failed to write to memory")]
+    MemoryWriterError(#[from] MemoryWriterError),
+}
+
+#[derive(Debug, Error)]
+pub enum SectionSystemInfoError {
+    #[error("Failed to write to memory")]
+    MemoryWriterError(#[from] MemoryWriterError),
+    #[error("Failed to get CPU Info")]
+    CpuInfoError(#[from] CpuInfoError),
+}
+
+#[derive(Debug, Error)]
+pub enum SectionThreadListError {
+    #[error("Failed to write to memory")]
+    MemoryWriterError(#[from] MemoryWriterError),
+    #[error("Failed integer conversion")]
+    TryFromIntError(#[from] std::num::TryFromIntError),
+    #[error("Failed to copy memory from process")]
+    CopyFromProcessError(#[from] DumperError),
+    #[error("Failed to get thread info")]
+    ThreadInfoError(#[from] ThreadInfoError),
+    #[error("Failed to write to memory buffer")]
+    IOError(#[from] std::io::Error),
+}
+
+#[derive(Debug, Error)]
+pub enum SectionThreadNamesError {
+    #[error("Failed integer conversion")]
+    TryFromIntError(#[from] std::num::TryFromIntError),
+    #[error("Failed to write to memory")]
+    MemoryWriterError(#[from] MemoryWriterError),
+    #[error("Failed to write to memory buffer")]
+    IOError(#[from] std::io::Error),
+}
+
+#[derive(Debug, Error)]
+pub enum SectionDsoDebugError {
+    #[error("Failed to write to memory")]
+    MemoryWriterError(#[from] MemoryWriterError),
+    #[error("Could not find: {0}")]
+    CouldNotFind(&'static str),
+    #[error("Failed to copy memory from process")]
+    CopyFromProcessError(#[from] DumperError),
+    #[error("Failed to copy memory from process")]
+    FromUTF8Error(#[from] std::string::FromUtf8Error),
+}
+
+#[derive(Debug, Error)]
+pub enum WriterError {
+    #[error("Error during init phase")]
+    InitError(#[from] InitError),
+    #[error(transparent)]
+    DumperError(#[from] DumperError),
+    #[error("Failed when writing section AppMemory")]
+    SectionAppMemoryError(#[from] SectionAppMemoryError),
+    #[error("Failed when writing section ExceptionStream")]
+    SectionExceptionStreamError(#[from] SectionExceptionStreamError),
+    #[error("Failed when writing section MappingsError")]
+    SectionMappingsError(#[from] SectionMappingsError),
+    #[error("Failed when writing section MemList")]
+    SectionMemListError(#[from] SectionMemListError),
+    #[error("Failed when writing section SystemInfo")]
+    SectionSystemInfoError(#[from] SectionSystemInfoError),
+    #[error("Failed when writing section ThreadList")]
+    SectionThreadListError(#[from] SectionThreadListError),
+    #[error("Failed when writing section ThreadNameList")]
+    SectionThreadNamesError(#[from] SectionThreadNamesError),
+    #[error("Failed when writing section DsoDebug")]
+    SectionDsoDebugError(#[from] SectionDsoDebugError),
+    #[error("Failed to write to memory")]
+    MemoryWriterError(#[from] MemoryWriterError),
+    #[error("Failed to write to file")]
+    FileWriterError(#[from] FileWriterError),
+    #[error("Failed to get current timestamp when writing header of minidump")]
+    SystemTimeError(#[from] std::time::SystemTimeError),
+}