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Allow runtime switching between trans backends #45684

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Merged
merged 17 commits into from
Jan 21, 2018
Merged

Allow runtime switching between trans backends #45684

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74c92c5
Allow runtime switching between trans backends
bjorn3 Oct 30, 2017
af0f173
Fix rustc_driver test.rs
bjorn3 Dec 27, 2017
2af0f0d
Hide more stuff from rustc_trans
bjorn3 Dec 27, 2017
bd2e808
Fix rustc_driver test.rs
bjorn3 Dec 28, 2017
6dffaa9
Hide even more of rustc_trans
bjorn3 Dec 28, 2017
9315ed4
Hot plug rustc_trans
bjorn3 Jan 1, 2018
2d241f6
Cleanup hot plug codegen backend code
bjorn3 Jan 3, 2018
ace502a
Fix review comments
bjorn3 Jan 4, 2018
4ef16d7
Fix hotplug backend and add test
bjorn3 Jan 4, 2018
d2c53f8
Add missing licenses
bjorn3 Jan 4, 2018
77dec3b
Remove use of RUSTC_COMPILETEST env var
bjorn3 Jan 9, 2018
c044424
Fix ICE
bjorn3 Jan 10, 2018
a09aebe
Remove accidential libloading dependency
bjorn3 Jan 12, 2018
cc4deb2
Just forget the DynamicLibrary after getting a hot plugged backend
bjorn3 Jan 12, 2018
82ac9f7
Hopefully fix the 32bit SEGV
bjorn3 Jan 19, 2018
a4854e8
Fix ICE
bjorn3 Jan 20, 2018
a30232f
Remove the 'extern "C"' in the right place
bjorn3 Jan 20, 2018
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Hopefully fix the 32bit SEGV
  • Loading branch information
@bjorn3
bjorn3 committed Jan 19, 2018
commit 82ac9f7532accc29730848242411dbe15a143c51
2 changes: 1 addition & 1 deletion src/librustc_trans/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -252,7 +252,7 @@ impl TransCrate for LlvmTransCrate {

/// This is the entrypoint for a hot plugged rustc_trans
#[no_mangle]
pub extern "C" fn __rustc_codegen_backend(sess: &Session) -> Box<TransCrate> {
pub fn __rustc_codegen_backend(sess: &Session) -> Box<TransCrate> {
LlvmTransCrate::new(sess)
}

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1 change: 0 additions & 1 deletion src/test/run-make/hotplug_codegen_backend/Makefile
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Expand Up @@ -4,7 +4,6 @@ all:
/bin/echo || exit 0 # This test requires /bin/echo to exist
$(RUSTC) the_backend.rs --crate-name the_backend --crate-type dylib \
-o $(TMPDIR)/the_backend.dylib
sleep 10
$(RUSTC) some_crate.rs --crate-name some_crate --crate-type bin -o $(TMPDIR)/some_crate \
-Z codegen-backend=$(TMPDIR)/the_backend.dylib -Z unstable-options
grep -x "This has been \"compiled\" succesfully." $(TMPDIR)/some_crate