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m68k/flashlib/elf-utils.h

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+/*
+ * Motorola Background Debug Mode Driver
+ * Copyright (C) 2008  Chris Johns
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program 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 for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ *
+ * ELF Support for libelf.
+ */
+
+#if !defined (_ELF_UTILS_H_)
+#define _ELF_UTILS_H_
+
+#define __LIBELF_INTERNAL__ 1
+#include <gelf.h>
+
+/*
+ * Output routine.
+ */
+typedef int (*elf_output) (const char *format, ...);
+
+/*
+ * Handle to access the file via libelf.
+ */
+typedef struct
+{
+  char* file;
+  int fd;
+  Elf* elf;
+  Elf_Kind ek;
+  GElf_Ehdr ehdr;
+  int eclass;
+  size_t shnum;
+  size_t shstrndx;
+  size_t phnum;
+  elf_output output;
+} elf_handle;
+
+/*
+ * Section handler.
+ */
+typedef int (*elf_section_handler) (elf_handle* handle,
+                                    GElf_Phdr*  phdr, 
+                                    GElf_Shdr*  shdr,
+                                    const char* sname, 
+                                    int         sindex);
+
+void elf_handle_init (elf_handle* handle);
+
+int elf_open (const char* file, elf_handle* handle, elf_output output);
+int elf_close (elf_handle* handle);
+
+int elf_get_symbol (elf_handle* handle, const char* label, GElf_Sym* sym);
+
+int elf_get_section_hdr (elf_handle* handle, int secindex, GElf_Shdr* shdr);
+
+void* elf_get_section_data (elf_handle* handle, int secindex,
+                            uint32_t* size);
+void* elf_get_section_data_sym (elf_handle* handle, const char* label);
+int elf_map_over_sections (elf_handle* handle, 
+                           elf_section_handler handler, const char* sname);
+
+void elf_show_exeheader (elf_handle* handle);
+void elf_show_symbol (elf_handle* handle, GElf_Sym* esym);
+
+#endif