src/jdk.hotspot.agent/linux/native/libsaproc/symtab.c

rev 58378 : 8234624: jstack mixed mode should refer DWARF

*** 1,7 ****
  /*
!  * Copyright (c) 2003, 2019, 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, 2020, 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.
*** 33,47 ****
  
  // ----------------------------------------------------
  // functions for symbol lookups
  // ----------------------------------------------------
  
- struct elf_section {
-   ELF_SHDR   *c_shdr;
-   void       *c_data;
- };
- 
  struct elf_symbol {
    char *name;
    uintptr_t offset;
    uintptr_t size;
  };
--- 33,42 ----
*** 156,196 ****
      close(fd);
      return -1;
    }
  }
  
- /* Find an ELF section.  */
- static struct elf_section *find_section_by_name(char *name,
-                                                 int fd,
-                                                 ELF_EHDR *ehdr,
-                                                 struct elf_section *scn_cache)
- {
-   char *strtab;
-   int cnt;
-   int strtab_size;
- 
-   // Section cache have to already contain data for e_shstrndx section.
-   // If it's not true - elf file is broken, so just bail out
-   if (scn_cache[ehdr->e_shstrndx].c_data == NULL) {
-     return NULL;
-   }
- 
-   strtab = scn_cache[ehdr->e_shstrndx].c_data;
-   strtab_size = scn_cache[ehdr->e_shstrndx].c_shdr->sh_size;
- 
-   for (cnt = 0; cnt < ehdr->e_shnum; ++cnt) {
-     if (scn_cache[cnt].c_shdr->sh_name < strtab_size) {
-       if (strcmp(scn_cache[cnt].c_shdr->sh_name + strtab, name) == 0) {
-         scn_cache[cnt].c_data = read_section_data(fd, ehdr, scn_cache[cnt].c_shdr);
-         return &scn_cache[cnt];
-       }
-     }
-   }
- 
-   return NULL;
- }
- 
  /* Look for a ".gnu_debuglink" section.  If one exists, try to open a
     suitable debuginfo file.  */
  static int open_file_from_debug_link(const char *name,
                                       int fd,
                                       ELF_EHDR *ehdr,
--- 151,160 ----