mold/test/tls-gd.sh

#!/bin/bash
set -e
echo -n "Testing $(basename -s .sh $0) ..."
t=$(pwd)/tmp/$(basename -s .sh $0)
mkdir -p $t

cat <<EOF | cc -fPIC -c -o $t/a.o -xc -
#include <stdio.h>

extern _Thread_local int foo;
static _Thread_local int bar;

int *get_foo_addr() { return &foo; }
int *get_bar_addr() { return &bar; }

int main() {
  bar = 5;

  printf("%d %d %d %d\n", *get_foo_addr(), *get_bar_addr(), foo, bar);
  return 0;
}
EOF

cat <<EOF | cc -fPIC -shared -o $t/b.so -xc -
_Thread_local int foo = 3;
EOF

../mold -o $t/exe /usr/lib/x86_64-linux-gnu/crt1.o \
  /usr/lib/x86_64-linux-gnu/crti.o \
  /usr/lib/gcc/x86_64-linux-gnu/9/crtbegin.o \
  $t/a.o $t/b.so \
  /usr/lib/gcc/x86_64-linux-gnu/9/libgcc.a \
  /usr/lib/x86_64-linux-gnu/libgcc_s.so.1 \
  /lib/x86_64-linux-gnu/libc.so.6 \
  /usr/lib/x86_64-linux-gnu/libc_nonshared.a \
  /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 \
  /usr/lib/gcc/x86_64-linux-gnu/9/crtend.o \
  /usr/lib/x86_64-linux-gnu/crtn.o

$t/exe | grep -q '3 5 3 5'

../mold -o $t/exe /usr/lib/x86_64-linux-gnu/crt1.o \
  /usr/lib/x86_64-linux-gnu/crti.o \
  /usr/lib/gcc/x86_64-linux-gnu/9/crtbegin.o \
  $t/a.o $t/b.so \
  /usr/lib/gcc/x86_64-linux-gnu/9/libgcc.a \
  /usr/lib/x86_64-linux-gnu/libgcc_s.so.1 \
  /lib/x86_64-linux-gnu/libc.so.6 \
  /usr/lib/x86_64-linux-gnu/libc_nonshared.a \
  /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 \
  /usr/lib/gcc/x86_64-linux-gnu/9/crtend.o \
  /usr/lib/x86_64-linux-gnu/crtn.o \
  -no-relax

$t/exe | grep -q '3 5 3 5'

echo ' OK'