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Rollup merge of #39400 - alexcrichton:arm-cross-test, r=brson

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Add support for test suites emulated in QEMU

This commit adds support to the build system to execute test suites that cannot
run natively but can instead run inside of a QEMU emulator. A proof-of-concept
builder was added for the `arm-unknown-linux-gnueabihf` target to show off how
this might work.

In general the architecture is to have a server running inside of the emulator
which a local client connects to. The protocol between the server/client
supports compiling tests on the host and running them on the target inside the
emulator.

Closes #33114
This commit is contained in:
Corey Farwell 2017-02-07 22:54:23 -05:00 • committed by GitHub
commit 370b63f386
23 changed files with 3772 additions and 49 deletions
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6
src/libstd/sys/unix/process/process_common.rs
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@ -439,6 +439,10 @@ mod tests {
#[test]
#[cfg_attr(target_os = "macos", ignore)]
#[cfg_attr(target_os = "nacl", ignore)] // no signals on NaCl.
// When run under our current QEMU emulation test suite this test fails,
// although the reason isn't very clear as to why. For now this test is
// ignored there.
#[cfg_attr(target_arch = "arm", ignore)]
fn test_process_mask() {
unsafe {
// Test to make sure that a signal mask does not get inherited.
@ -471,7 +475,7 @@ mod tests {
// Either EOF or failure (EPIPE) is okay.
let mut buf = [0; 5];
if let Ok(ret) = stdout_read.read(&mut buf) {
assert!(ret == 0);
assert_eq!(ret, 0);
}
t!(cat.wait());