sgx_tstd/src/backtrace.rs

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/// A wrapper mod for sys_common::backtrace, providing `enable_backtrace`
/// interface.

pub use sys_common::backtrace::__rust_begin_short_backtrace;
pub use sys_common::backtrace::PrintFormat;

use path::Path;
use io;
use enclave;
use sys_common::backtrace::set_enabled;

/// Enable backtrace for dumping call stack on crash.
///
/// Enabling backtrace here makes the panic information along with call stack
/// information. Very similar to normal `RUST_BACKTRACE=1` flag in Rust.
///
/// * `path` - The path of enclave's file image. This is essential for dumping
/// symbol information on crash point.
/// * Always return `Ok(())`
pub fn enable_backtrace<P: AsRef<Path>>(path: P, format: PrintFormat) -> io::Result<()> {

    enclave::set_enclave_path(path)?;
    set_enabled(format);
    Ok(())
}