Disable jemalloc on aarch64/powerpc

Sounds like jemalloc is broken on systems which differ in page size than the
host it was compiled on (unless an option was passed). This unfortunately
reduces the portability of binaries created and can often make Rust segfault by
default. For now let's patch over this by disabling jemalloc until we can figure
out a better solution.

Closes #36994
Closes #37320
cc jemalloc/jemalloc#467

12 files changed, 45 insertions, 0 deletions

diff --git a/src/librustc_back/target/aarch64_unknown_linux_gnu.rs b/src/librustc_back/target/aarch64_unknown_linux_gnu.rs
index b031de76fc3..5f6335d405f 100644
--- a/src/librustc_back/target/aarch64_unknown_linux_gnu.rs
+++ b/src/librustc_back/target/aarch64_unknown_linux_gnu.rs
@@ -13,6 +13,10 @@ use target::{Target, TargetOptions, TargetResult};
 pub fn target() -> TargetResult {
     let mut base = super::linux_base::opts();
     base.max_atomic_width = Some(128);
+
+    // see #36994
+    base.exe_allocation_crate = "alloc_system".to_string();
+
     Ok(Target {
         llvm_target: "aarch64-unknown-linux-gnu".to_string(),
         target_endian: "little".to_string(),
diff --git a/src/librustc_back/target/mips64_unknown_linux_gnuabi64.rs b/src/librustc_back/target/mips64_unknown_linux_gnuabi64.rs
index 9f0b6fcc436..c284840ecb4 100644
--- a/src/librustc_back/target/mips64_unknown_linux_gnuabi64.rs
+++ b/src/librustc_back/target/mips64_unknown_linux_gnuabi64.rs
@@ -25,6 +25,10 @@ pub fn target() -> TargetResult {
             cpu: "mips64r2".to_string(),
             features: "+mips64r2".to_string(),
             max_atomic_width: Some(64),
+
+            // see #36994
+            exe_allocation_crate: "alloc_system".to_string(),
+
             ..super::linux_base::opts()
         },
     })
diff --git a/src/librustc_back/target/mips64el_unknown_linux_gnuabi64.rs b/src/librustc_back/target/mips64el_unknown_linux_gnuabi64.rs
index 9c4531c5b21..17895836fe8 100644
--- a/src/librustc_back/target/mips64el_unknown_linux_gnuabi64.rs
+++ b/src/librustc_back/target/mips64el_unknown_linux_gnuabi64.rs
@@ -25,6 +25,10 @@ pub fn target() -> TargetResult {
             cpu: "mips64r2".to_string(),
             features: "+mips64r2".to_string(),
             max_atomic_width: Some(64),
+
+            // see #36994
+            exe_allocation_crate: "alloc_system".to_string(),
+
             ..super::linux_base::opts()
         },
     })
diff --git a/src/librustc_back/target/mips_unknown_linux_gnu.rs b/src/librustc_back/target/mips_unknown_linux_gnu.rs
index e744dce2bb4..a6d8fae2536 100644
--- a/src/librustc_back/target/mips_unknown_linux_gnu.rs
+++ b/src/librustc_back/target/mips_unknown_linux_gnu.rs
@@ -24,6 +24,10 @@ pub fn target() -> TargetResult {
             cpu: "mips32r2".to_string(),
             features: "+mips32r2".to_string(),
             max_atomic_width: Some(32),
+
+            // see #36994
+            exe_allocation_crate: "alloc_system".to_string(),
+
             ..super::linux_base::opts()
         },
     })
diff --git a/src/librustc_back/target/mips_unknown_linux_musl.rs b/src/librustc_back/target/mips_unknown_linux_musl.rs
index 4254c1b83e3..e4a6d2a55d9 100644
--- a/src/librustc_back/target/mips_unknown_linux_musl.rs
+++ b/src/librustc_back/target/mips_unknown_linux_musl.rs
@@ -24,6 +24,10 @@ pub fn target() -> TargetResult {
             cpu: "mips32r2".to_string(),
             features: "+mips32r2,+soft-float".to_string(),
             max_atomic_width: Some(32),
+
+            // see #36994
+            exe_allocation_crate: "alloc_system".to_string(),
+
             ..super::linux_base::opts()
         }
     })
diff --git a/src/librustc_back/target/mips_unknown_linux_uclibc.rs b/src/librustc_back/target/mips_unknown_linux_uclibc.rs
index e6b2672a8e3..ccc64ea393b 100644
--- a/src/librustc_back/target/mips_unknown_linux_uclibc.rs
+++ b/src/librustc_back/target/mips_unknown_linux_uclibc.rs
@@ -24,6 +24,10 @@ pub fn target() -> TargetResult {
             cpu: "mips32r2".to_string(),
             features: "+mips32r2,+soft-float".to_string(),
             max_atomic_width: Some(32),
+
+            // see #36994
+            exe_allocation_crate: "alloc_system".to_string(),
+
             ..super::linux_base::opts()
         },
     })
diff --git a/src/librustc_back/target/mipsel_unknown_linux_gnu.rs b/src/librustc_back/target/mipsel_unknown_linux_gnu.rs
index 4949055861e..9b8b1d5713f 100644
--- a/src/librustc_back/target/mipsel_unknown_linux_gnu.rs
+++ b/src/librustc_back/target/mipsel_unknown_linux_gnu.rs
@@ -25,6 +25,10 @@ pub fn target() -> TargetResult {
             cpu: "mips32".to_string(),
             features: "+mips32".to_string(),
             max_atomic_width: Some(32),
+
+            // see #36994
+            exe_allocation_crate: "alloc_system".to_string(),
+
             ..super::linux_base::opts()
         },
     })
diff --git a/src/librustc_back/target/mipsel_unknown_linux_musl.rs b/src/librustc_back/target/mipsel_unknown_linux_musl.rs
index f282ac7e88b..5693bddd048 100644
--- a/src/librustc_back/target/mipsel_unknown_linux_musl.rs
+++ b/src/librustc_back/target/mipsel_unknown_linux_musl.rs
@@ -24,6 +24,10 @@ pub fn target() -> TargetResult {
             cpu: "mips32".to_string(),
             features: "+mips32,+soft-float".to_string(),
             max_atomic_width: Some(32),
+
+            // see #36994
+            exe_allocation_crate: "alloc_system".to_string(),
+
             ..super::linux_base::opts()
         }
     })
diff --git a/src/librustc_back/target/mipsel_unknown_linux_uclibc.rs b/src/librustc_back/target/mipsel_unknown_linux_uclibc.rs
index 0f9b562068f..3acade5a474 100644
--- a/src/librustc_back/target/mipsel_unknown_linux_uclibc.rs
+++ b/src/librustc_back/target/mipsel_unknown_linux_uclibc.rs
@@ -25,6 +25,10 @@ pub fn target() -> TargetResult {
             cpu: "mips32".to_string(),
             features: "+mips32,+soft-float".to_string(),
             max_atomic_width: Some(32),
+
+            // see #36994
+            exe_allocation_crate: "alloc_system".to_string(),
+
             ..super::linux_base::opts()
         },
     })
diff --git a/src/librustc_back/target/powerpc64_unknown_linux_gnu.rs b/src/librustc_back/target/powerpc64_unknown_linux_gnu.rs
index 333bfad4a26..909c5488dcb 100644
--- a/src/librustc_back/target/powerpc64_unknown_linux_gnu.rs
+++ b/src/librustc_back/target/powerpc64_unknown_linux_gnu.rs
@@ -16,6 +16,9 @@ pub fn target() -> TargetResult {
     base.pre_link_args.push("-m64".to_string());
     base.max_atomic_width = Some(64);
 
+    // see #36994
+    base.exe_allocation_crate = "alloc_system".to_string();
+
     Ok(Target {
         llvm_target: "powerpc64-unknown-linux-gnu".to_string(),
         target_endian: "big".to_string(),
diff --git a/src/librustc_back/target/powerpc64le_unknown_linux_gnu.rs b/src/librustc_back/target/powerpc64le_unknown_linux_gnu.rs
index e75da133314..a692346ca0f 100644
--- a/src/librustc_back/target/powerpc64le_unknown_linux_gnu.rs
+++ b/src/librustc_back/target/powerpc64le_unknown_linux_gnu.rs
@@ -16,6 +16,9 @@ pub fn target() -> TargetResult {
     base.pre_link_args.push("-m64".to_string());
     base.max_atomic_width = Some(64);
 
+    // see #36994
+    base.exe_allocation_crate = "alloc_system".to_string();
+
     Ok(Target {
         llvm_target: "powerpc64le-unknown-linux-gnu".to_string(),
         target_endian: "little".to_string(),
diff --git a/src/librustc_back/target/powerpc_unknown_linux_gnu.rs b/src/librustc_back/target/powerpc_unknown_linux_gnu.rs
index 45d28dd031f..284772c4331 100644
--- a/src/librustc_back/target/powerpc_unknown_linux_gnu.rs
+++ b/src/librustc_back/target/powerpc_unknown_linux_gnu.rs
@@ -15,6 +15,9 @@ pub fn target() -> TargetResult {
     base.pre_link_args.push("-m32".to_string());
     base.max_atomic_width = Some(32);
 
+    // see #36994
+    base.exe_allocation_crate = "alloc_system".to_string();
+
     Ok(Target {
         llvm_target: "powerpc-unknown-linux-gnu".to_string(),
         target_endian: "big".to_string(),