Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 101 insertions, 0 deletions

diff --git a/tests/run-make/static-pie/Makefile b/tests/run-make/static-pie/Makefile
new file mode 100644
index 000000000..f4e6adf1b
--- /dev/null
+++ b/tests/run-make/static-pie/Makefile
@@ -0,0 +1,18 @@
+include ../../run-make-fulldeps/tools.mk
+
+# only-x86_64
+# only-linux
+# ignore-gnux32
+
+# How to manually run this
+# $ ./x.py test --target x86_64-unknown-linux-[musl,gnu] tests/run-make/static-pie
+
+all: test-clang test-gcc
+
+test-%:
+	if ./check_$*_version.sh; then\
+		${RUSTC} -Clinker=$* -Clinker-flavor=gcc --target ${TARGET} -C target-feature=+crt-static test-aslr.rs; \
+		! readelf -l $(call RUN_BINFILE,test-aslr) | $(CGREP) INTERP; \
+		readelf -l $(call RUN_BINFILE,test-aslr) | $(CGREP) DYNAMIC; \
+		$(call RUN,test-aslr) --test-aslr; \
+	fi
diff --git a/tests/run-make/static-pie/check_clang_version.sh b/tests/run-make/static-pie/check_clang_version.sh
new file mode 100755
index 000000000..b8e97c3da
--- /dev/null
+++ b/tests/run-make/static-pie/check_clang_version.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+set -euo pipefail
+
+if command -v clang > /dev/null
+then
+  CLANG_VERSION=$(echo __clang_major__ | clang -E -x c - | grep -v -e '^#' )
+  echo "clang version $CLANG_VERSION detected"
+  if (( $CLANG_VERSION >= 9 ))
+  then
+    echo "clang supports -static-pie"
+    exit 0
+  else
+    echo "clang too old to support -static-pie, skipping test"
+    exit 1
+  fi
+else
+  echo "No clang version detected"
+  exit 2
+fi
diff --git a/tests/run-make/static-pie/check_gcc_version.sh b/tests/run-make/static-pie/check_gcc_version.sh
new file mode 100755
index 000000000..d07e1d151
--- /dev/null
+++ b/tests/run-make/static-pie/check_gcc_version.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+set -euo pipefail
+
+if command -v gcc > /dev/null
+then
+  GCC_VERSION=$(echo __GNUC__ | gcc -E -x c - | grep -v -e '^#' )
+  echo "gcc version $GCC_VERSION detected"
+  if (( $GCC_VERSION >= 8 ))
+  then
+    echo "gcc supports -static-pie"
+    exit 0
+  else
+    echo "gcc too old to support -static-pie, skipping test"
+    exit 1
+  fi
+else
+  echo "No gcc version detected"
+  exit 2
+fi
diff --git a/tests/run-make/static-pie/test-aslr.rs b/tests/run-make/static-pie/test-aslr.rs
new file mode 100644
index 000000000..96b17af46
--- /dev/null
+++ b/tests/run-make/static-pie/test-aslr.rs
@@ -0,0 +1,43 @@
+const NUM_RUNS: usize = 10;
+
+fn run_self(exe: &str) -> usize {
+    use std::process::Command;
+    let mut set = std::collections::HashSet::new();
+
+    let mut cmd = Command::new(exe);
+    cmd.arg("--report");
+    (0..NUM_RUNS).for_each(|_| {
+        set.insert(cmd.output().expect("failed to execute process").stdout);
+    });
+    set.len()
+}
+
+fn main() {
+    let mut args = std::env::args();
+    let arg0 = args.next().unwrap();
+    match args.next() {
+        Some(s) if s.eq("--report") => {
+            println!("main = {:#?}", &main as *const _);
+        }
+        Some(s) if s.eq("--test-no-aslr") => {
+            let cnt = run_self(&arg0);
+            if cnt != 1 {
+                eprintln!("FAIL: {} most likely ASLR", arg0);
+                std::process::exit(1);
+            }
+            println!("PASS: {} does no ASLR", arg0);
+        }
+        Some(s) if s.eq("--test-aslr") => {
+            let cnt = run_self(&arg0);
+            if cnt == 1 {
+                eprintln!("FAIL: {} most likely no ASLR", arg0);
+                std::process::exit(1);
+            }
+            println!("PASS: {} does ASLR", arg0);
+        }
+        Some(_) | None => {
+            println!("Usage: {} --test-no-aslr | --test-aslr", arg0);
+            std::process::exit(1);
+        }
+    }
+}