--- a/src/jdk.hotspot.agent/macosx/native/libsaproc/salibelf.c	Wed Mar 21 10:13:49 2018 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,126 +0,0 @@
-/*
- * Copyright (c) 2003, 2006, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#include "salibelf.h"
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-
-extern void print_debug(const char*,...);
-
-// ELF file parsing helpers. Note that we do *not* use libelf here.
-int read_elf_header(int fd, ELF_EHDR* ehdr) {
-   if (pread(fd, ehdr, sizeof (ELF_EHDR), 0) != sizeof (ELF_EHDR) ||
-            memcmp(&ehdr->e_ident[EI_MAG0], ELFMAG, SELFMAG) != 0 ||
-            ehdr->e_version != EV_CURRENT) {
-        return 0;
-   }
-   return 1;
-}
-
-bool is_elf_file(int fd) {
-   ELF_EHDR ehdr;
-   return read_elf_header(fd, &ehdr);
-}
-
-// read program header table of an ELF file
-ELF_PHDR* read_program_header_table(int fd, ELF_EHDR* hdr) {
-   ELF_PHDR* phbuf = 0;
-   // allocate memory for program header table
-   size_t nbytes = hdr->e_phnum * hdr->e_phentsize;
-
-   if ((phbuf = (ELF_PHDR*) malloc(nbytes)) == NULL) {
-      print_debug("can't allocate memory for reading program header table\n");
-      return NULL;
-   }
-
-   if (pread(fd, phbuf, nbytes, hdr->e_phoff) != nbytes) {
-      print_debug("ELF file is truncated! can't read program header table\n");
-      free(phbuf);
-      return NULL;
-   }
-
-   return phbuf;
-}
-
-// read section header table of an ELF file
-ELF_SHDR* read_section_header_table(int fd, ELF_EHDR* hdr) {
-   ELF_SHDR* shbuf = 0;
-   // allocate memory for section header table
-   size_t nbytes = hdr->e_shnum * hdr->e_shentsize;
-
-   if ((shbuf = (ELF_SHDR*) malloc(nbytes)) == NULL) {
-      print_debug("can't allocate memory for reading section header table\n");
-      return NULL;
-   }
-
-   if (pread(fd, shbuf, nbytes, hdr->e_shoff) != nbytes) {
-      print_debug("ELF file is truncated! can't read section header table\n");
-      free(shbuf);
-      return NULL;
-   }
-
-   return shbuf;
-}
-
-// read a particular section's data
-void* read_section_data(int fd, ELF_EHDR* ehdr, ELF_SHDR* shdr) {
-  void *buf = NULL;
-  if (shdr->sh_type == SHT_NOBITS || shdr->sh_size == 0) {
-     return buf;
-  }
-  if ((buf = calloc(shdr->sh_size, 1)) == NULL) {
-     print_debug("can't allocate memory for reading section data\n");
-     return NULL;
-  }
-  if (pread(fd, buf, shdr->sh_size, shdr->sh_offset) != shdr->sh_size) {
-     free(buf);
-     print_debug("section data read failed\n");
-     return NULL;
-  }
-  return buf;
-}
-
-uintptr_t find_base_address(int fd, ELF_EHDR* ehdr) {
-  uintptr_t baseaddr = (uintptr_t)-1;
-  int cnt;
-  ELF_PHDR *phbuf, *phdr;
-
-  // read program header table
-  if ((phbuf = read_program_header_table(fd, ehdr)) == NULL) {
-    goto quit;
-  }
-
-  // the base address of a shared object is the lowest vaddr of
-  // its loadable segments (PT_LOAD)
-  for (phdr = phbuf, cnt = 0; cnt < ehdr->e_phnum; cnt++, phdr++) {
-    if (phdr->p_type == PT_LOAD && phdr->p_vaddr < baseaddr) {
-      baseaddr = phdr->p_vaddr;
-    }
-  }
-
-quit:
-  if (phbuf) free(phbuf);
-  return baseaddr;
-}