From 7e6e1b164c29ec2f68de92dee87dc7bfdc0ebdcd Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jackpot51@gmail.com>
Date: Tue, 3 Jul 2018 11:31:05 -0600
Subject: [PATCH] Align stack on x86_64
---
Makefile | 2 +-
src/crt0/src/lib.rs | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
index 2efbec40..3fc88f32 100644
--- a/Makefile
+++ b/Makefile
@@ -54,7 +54,7 @@ $(BUILD)/debug/libc.a: $(SRC)
touch $@
$(BUILD)/debug/crt0.o: $(SRC)
- CARGO_INCREMENTAL=0 cargo --verbose --verbose rustc --manifest-path src/crt0/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@
+ CARGO_INCREMENTAL=0 cargo rustc --manifest-path src/crt0/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@
touch $@
$(BUILD)/release/libc.a: $(SRC)
diff --git a/src/crt0/src/lib.rs b/src/crt0/src/lib.rs
index 9de7f3c9..fc9ac529 100644
--- a/src/crt0/src/lib.rs
+++ b/src/crt0/src/lib.rs
@@ -15,6 +15,7 @@ use platform::types::*;
pub unsafe extern "C" fn _start() {
#[cfg(target_arch = "x86_64")]
asm!("mov rdi, rsp
+ and rsp, 0xFFFFFFFFFFFFFFF0
call _start_rust"
:
:
--
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