src/jdk.hotspot.agent/macosx/native/libsaproc/ps_core.c

rev 13166 : read/write APIs in class os shall return ssize_t

*** 1,7 ****
  /*
!  * Copyright (c) 2003, 2016, 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.
--- 1,7 ----
  /*
!  * Copyright (c) 2003, 2017, 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.
*** 1248,1262 ****
                 if (add_map_info(ph, ph->core->exec_fd, exec_php->p_offset, exec_php->p_vaddr, exec_php->p_filesz) == NULL) goto err;
              }
              break;
           }
  
!          // read the interpreter and it's segments
           case PT_INTERP: {
!             char interp_name[BUF_SIZE];
  
!             pread(ph->core->exec_fd, interp_name, MIN(exec_php->p_filesz, BUF_SIZE), exec_php->p_offset);
              print_debug("ELF interpreter %s\n", interp_name);
              // read interpreter segments as well
              if ((ph->core->interp_fd = pathmap_open(interp_name)) < 0) {
                 print_debug("can't open runtime loader\n");
                 goto err;
--- 1248,1272 ----
                 if (add_map_info(ph, ph->core->exec_fd, exec_php->p_offset, exec_php->p_vaddr, exec_php->p_filesz) == NULL) goto err;
              }
              break;
           }
  
!          // read the interpreter and its segments
           case PT_INTERP: {
!             ssize_t res;
!             char interp_name[BUF_SIZE + 1];
  
!             // BUF_SIZE is PATH_MAX + NAME_MAX + 1.
!             if (exec_php->p_filesz > BUF_SIZE) {
!               goto err;
!             }
!             res = pread(ph->core->exec_fd, interp_name, exec_php->p_filesz, exec_php->p_offset);
!             if (res < 0) {
!               print_debug("couldn't read ELF interpreter name\n");
!               goto err;
!             }
!             interp_name[exec_php->p_filesz] = '\0';
              print_debug("ELF interpreter %s\n", interp_name);
              // read interpreter segments as well
              if ((ph->core->interp_fd = pathmap_open(interp_name)) < 0) {
                 print_debug("can't open runtime loader\n");
                 goto err;