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Merge pull request #548 from sapir/code-model

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Code model
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antoyo 2024-08-05 13:36:46 -04:00 committed by GitHub
commit 0475182ddc
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2 changed files with 18 additions and 5 deletions
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10
Cargo.lock generated
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@ -79,16 +79,18 @@ dependencies = [
[[package]]
name = "gccjit"
version = "2.0.0"
source = "git+https://github.com/rust-lang/gccjit.rs#328cb1b414f67dfa15162ba7a55ed01931f1b219"
version = "2.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "62e0ba949ebee07c5cc21f02cb48f28f2c8db7fcbc15fdc5120476a6c43b4636"
dependencies = [
"gccjit_sys",
]
[[package]]
name = "gccjit_sys"
version = "0.1.0"
source = "git+https://github.com/rust-lang/gccjit.rs#328cb1b414f67dfa15162ba7a55ed01931f1b219"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a5bbf85e12c2593772329a9d4e8310271f6706e6045ce4f41b041dd34fba6603"
dependencies = [
"libc",
]

13
src/base.rs
View File

@ -129,8 +129,19 @@ fn module_codegen(
// NOTE: Rust relies on LLVM doing wrapping on overflow.
context.add_command_line_option("-fwrapv");
if let Some(model) = tcx.sess.code_model() {
use rustc_target::spec::CodeModel;
context.add_command_line_option(match model {
CodeModel::Tiny => "-mcmodel=tiny",
CodeModel::Small => "-mcmodel=small",
CodeModel::Kernel => "-mcmodel=kernel",
CodeModel::Medium => "-mcmodel=medium",
CodeModel::Large => "-mcmodel=large",
});
}
if tcx.sess.relocation_model() == rustc_target::spec::RelocModel::Static {
context.add_command_line_option("-mcmodel=kernel");
context.add_command_line_option("-fno-pie");
}