diff options
Diffstat (limited to 'toolkit/crashreporter/mozannotation_server/src/errors.rs')
-rw-r--r-- | toolkit/crashreporter/mozannotation_server/src/errors.rs | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/toolkit/crashreporter/mozannotation_server/src/errors.rs b/toolkit/crashreporter/mozannotation_server/src/errors.rs new file mode 100644 index 0000000000..037d432e5e --- /dev/null +++ b/toolkit/crashreporter/mozannotation_server/src/errors.rs @@ -0,0 +1,81 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this file, + * You can obtain one at http://mozilla.org/MPL/2.0/. */ + +use thiserror::Error; + +#[derive(Debug, Error)] +pub enum RetrievalError { + #[error("The process handle/PID was invalid")] + InvalidProcessHandle, + #[error("Could not find the address of the annotations vector")] + AnnotationTableNotFound(#[from] FindAnnotationsAddressError), + #[error("Corrupt or wrong annotation table")] + InvalidAnnotationTable, + #[error("The data read from the target process is invalid")] + InvalidData, + #[cfg(any(target_os = "linux", target_os = "android"))] + #[error("Could not attach to the target process")] + AttachError(#[from] PtraceError), + #[error("Could not read from the target process address space")] + ReadFromProcessError(#[from] ReadError), + #[error("waitpid() failed when attaching to the process")] + WaitPidError, +} + +#[derive(Debug, Error)] +pub enum FindAnnotationsAddressError { + #[error("Could not convert address {0}")] + ConvertAddressError(#[from] std::num::TryFromIntError), + #[error("goblin failed to parse a module")] + GoblinError(#[from] goblin::error::Error), + #[error("Address was out of bounds")] + InvalidAddress, + #[error("IO error for file {0}")] + IOError(#[from] std::io::Error), + #[error("Could not find the address of the annotations vector")] + NotFound, + #[error("Could not parse address {0}")] + ParseAddressError(#[from] std::num::ParseIntError), + #[error("Could not parse a line in /proc/<pid>/maps")] + ProcMapsParseError, + #[cfg(any(target_os = "linux", target_os = "android"))] + #[error("Program header was not found")] + ProgramHeaderNotFound, + #[cfg(target_os = "windows")] + #[error("Section was not found")] + SectionNotFound, + #[cfg(target_os = "windows")] + #[error("Cannot enumerate the target process's modules")] + EnumProcessModulesError, + #[error("Could not read memory from the target process")] + ReadError(#[from] ReadError), + #[cfg(target_os = "macos")] + #[error("Failure when requesting the task information")] + TaskInfoError, + #[cfg(target_os = "macos")] + #[error("The task dyld information format is unknown or invalid")] + ImageFormatError, +} + +#[derive(Debug, Error)] +pub enum ReadError { + #[cfg(any(target_os = "linux", target_os = "android"))] + #[error("ptrace-specific error")] + PtraceError(#[from] PtraceError), + #[cfg(target_os = "windows")] + #[error("ReadProcessMemory failed")] + ReadProcessMemoryError, + #[cfg(target_os = "macos")] + #[error("mach call failed")] + MachError, +} + +#[cfg(any(target_os = "linux", target_os = "android"))] +#[derive(Debug, Error)] +pub enum PtraceError { + #[error("Could not read from the target process address space")] + ReadError(#[source] std::io::Error), + #[error("Could not trace the process")] + TraceError(#[source] std::io::Error), +} |