mold/test/section-alignment.sh

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

cat <<'EOF' | clang -c -o $t/a.o -xc -
#include <stdint.h>
#include <stdio.h>

__attribute__((aligned(8192))) int foo = 1;

typedef struct {
  uint8_t e_ident[16];
  uint16_t e_type;
  uint16_t e_machine;
  uint32_t e_version;
  uint64_t e_entry;
  uint64_t e_phoff;
  uint64_t e_shoff;
  uint32_t e_flags;
  uint16_t e_ehsize;
  uint16_t e_phentsize;
  uint16_t e_phnum;
  uint16_t e_shentsize;
  uint16_t e_shnum;
  uint16_t e_shstrndx;
} Ehdr;

char __ehdr_start;

int main() {
  Ehdr *e = (Ehdr *)&__ehdr_start;
  printf("%lu %lu %lu\n", e->e_phoff % 8, e->e_shoff % 8, (uint64_t)&foo % 8192);
}
EOF

clang -fuse-ld=$mold -o $t/exe $t/a.o
$t/exe | grep -q '^0 0 0$'

echo OK