Add nlist function

src/local-elf.h

@@ -0,0 +1,197 @@
+/*
+ * Copyright (C) 2009 Guillem Jover
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef LIBBSD_LOCAL_ELF_H
+#define LIBBSD_LOCAL_ELF_H
+
+#include <elf.h>
+
+#define IS_ELF(ehdr) \
+	((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \
+	 (ehdr).e_ident[EI_MAG1] == ELFMAG1 && \
+	 (ehdr).e_ident[EI_MAG2] == ELFMAG2 && \
+	 (ehdr).e_ident[EI_MAG3] == ELFMAG3)
+
+#define ELF_TARG_VER	EV_CURRENT
+
+#if defined(__alpha__)
+
+#define ELF_TARG_MACH	EM_ALPHA
+#define ELF_TARG_CLASS	ELFCLASS64
+#define ELF_TARG_DATA	ELFDATA2LSB
+
+#elif defined(__amd64__)
+
+#define ELF_TARG_MACH	EM_X86_64
+#define ELF_TARG_CLASS	ELFCLASS64
+#define ELF_TARG_DATA	ELFDATA2LSB
+
+#elif defined(__arm__)
+
+#define ELF_TARG_MACH	EM_ARM
+#define ELF_TARG_CLASS	ELFCLASS32
+#if defined(__ARMEB__)
+#define ELF_TARG_DATA	ELFDATA2MSB
+#else
+#define ELF_TARG_DATA	ELFDATA2LSB
+#endif
+
+#elif defined(__avr32__)
+
+#ifndef EM_AVR32
+#define EM_AVR32	0x18ad
+#endif
+#define ELF_TARG_MACH	EM_AVR32
+#define ELF_TARG_CLASS	ELFCLASS32
+#if define(__LITTLE_ENDIAN__)
+#define ELF_TARG_DATA	ELFDATA2LSB
+#elif defined(__BIG_ENDIAN__)
+#define ELF_TARG_DATA	ELFDATA2LMSB
+#else
+#error Unknown AVR32 endianness
+#endif
+
+#elif defined(__hppa__)
+
+#define ELF_TARG_MACH	EM_PARISC
+#define ELF_TARG_CLASS	ELFCLASS32
+#define ELF_TARG_DATA	ELFDATA2MSB
+
+#elif defined(__i386__)
+
+#define ELF_TARG_MACH	EM_386
+#define ELF_TARG_CLASS	ELFCLASS32
+#define ELF_TARG_DATA	ELFDATA2LSB
+
+#elif defined(__ia64__)
+
+#define ELF_TARG_MACH	EM_IA_64
+#define ELF_TARG_CLASS	ELFCLASS64
+#define ELF_TARG_DATA	ELFDATA2LSB
+
+#elif defined(__m32r__)
+
+#define ELF_TARG_MACH	EM_M32R
+#define ELF_TARG_CLASS	ELFCLASS32
+#if defined(__LITTLE_ENDIAN__)
+#define ELF_DATA	ELFDATA2LSB
+#elif defined(__BIG_ENDIAN__)
+#define ELF_DATA	ELFDATA2MSB
+#else
+#error Unknown M32R endianness
+#endif
+
+#elif defined(__m68k__)
+
+#define ELF_TARG_MACH	EM_68K
+#define ELF_TARG_CLASS	ELFCLASS32
+#define ELF_TARG_DATA	ELFDATA2MSB
+
+#elif defined(__mips__)
+
+#define ELF_TARG_MACH	EM_MIPS
+#define ELF_TARG_CLASS	ELFCLASS32
+#if defined(__MIPSEB__)
+#define ELF_TARG_DATA	ELFDATA2MSB
+#else
+#define ELF_TARG_DATA	ELFDATA2LSB
+#endif
+
+#elif defined(__powerpc__)
+
+#define ELF_TARG_MACH	EM_PPC
+#define ELF_TARG_CLASS	ELFCLASS32
+#define ELF_TARG_DATA	ELFDATA2MSG
+
+#elif defined(__powerpc64__)
+
+#define ELF_TARG_MACH	EM_PPC64
+#define ELF_TARG_CLASS	ELFCLASS64
+#define ELF_TARG_DATA	ELFDATA2MSG
+
+#elif defined(__sparc__)
+
+#if defined(__arch64__)
+#define ELF_TARG_MACH	EM_SPARCV9
+#define ELF_TARG_CLASS	ELFCLASS64
+#else
+#define ELF_TARG_MACH	EM_SPARC
+#define ELF_TARG_CLASS	ELFCLASS32
+#endif
+#define ELF_TARG_DATA	ELFDATA2MSB
+
+#elif defined(__sh__)
+
+#define ELF_TARG_MACH	EM_SH
+#define ELF_TARG_CLASS	ELFCLASS32
+#if define(__LITTLE_ENDIAN__)
+#define ELF_TARG_DATA	ELFDATA2LSB
+#elif defined(__BIG_ENDIAN__)
+#define ELF_TARG_DATA	ELFDATA2LMSB
+#else
+#error Unknown SH endianness
+#endif
+
+#elif defined(__s390__)
+
+#define ELF_TARG_MACH	EM_S390
+#if defined(__s390x__)
+#define ELF_TARG_CLASS	ELFCLASS64
+#else
+#define ELF_TARG_CLASS	ELFCLASS32
+#endif
+#define ELF_TARG_DATA	ELFDATA2MSG
+
+#else
+
+#error Unknown ELF machine type
+
+#endif
+
+#if ELF_TARG_CLASS == ELFCLASS32
+#define ELF_ST_BIND	ELF32_ST_BIND
+#define ELF_ST_TYPE	ELF32_ST_TYPE
+#define Elf_Word	Elf32_Word
+#define Elf_Sword	Elf32_Sword
+#define Elf_Sym		Elf32_Sym
+#define Elf_Off		Elf32_Off
+#define Elf_Shdr	Elf32_Shdr
+#define Elf_Ehdr	Elf32_Ehdr
+#elif ELF_TARG_CLASS == ELFCLASS64
+#define ELF_ST_BIND	ELF64_ST_BIND
+#define ELF_ST_TYPE	ELF64_ST_TYPE
+#define Elf_Word	Elf64_Word
+#define Elf_Sword	Elf64_Sword
+#define Elf_Sym		Elf64_Sym
+#define Elf_Off		Elf64_Off
+#define Elf_Shdr	Elf64_Shdr
+#define Elf_Ehdr	Elf64_Ehdr
+#else
+#error Unknown ELF class
+#endif
+
+#endif
+