Add a bunch of C header samples for the Bayesian classifier

samples/C/elf.h

@@ -0,0 +1,70 @@
+#pragma once
+
+/* Copyright © 2011 Lukas Martini
+ *
+ * This file is part of Xelix.
+ *
+ * Xelix 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Xelix 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 Xelix. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <lib/generic.h>
+#include <tasks/scheduler.h>
+
+#define ELF_TYPE_NONE 0
+#define ELF_TYPE_REL 1
+#define ELF_TYPE_EXEC 2
+#define ELF_TYPE_DYN 3
+#define ELF_TYPE_CORE 4
+
+#define ELF_ARCH_NONE 0
+#define ELF_ARCH_386 3
+
+#define ELF_VERSION_CURRENT 1
+
+typedef struct {
+	unsigned char magic[4];
+	/* Note: There _is_ other stuff in here, but we don't need it */
+	unsigned char pad[12]; 
+} __attribute__((packed)) elf_ident_t;
+
+typedef struct {
+	uint32_t    type;
+	uint32_t    offset;
+	void*		virtaddr;
+	void*		physaddr;
+	uint32_t    filesize;
+	uint32_t    memsize;
+	uint32_t    flags;
+	uint32_t    alignment;
+} __attribute__((packed)) elf_program_t;
+
+typedef struct {
+	elf_ident_t ident;
+	uint16_t	type;		/* Object file type */
+	uint16_t	machine;	/* Architecture */
+	uint32_t	version;	/* Object file version */
+	void*		entry;		/* Entry point virtual address */
+	uint32_t	phoff;		/* Program header table file offset */
+	uint32_t	shoff;		/* Section header table file offset */
+	uint32_t	flags;		/* Processor-specific flags */
+	uint16_t	ehsize;		/* ELF header size in bytes */
+	uint16_t	phentsize;	/* Program header table entry size */
+	uint16_t	phnum;		/* Program header table entry count */
+	uint16_t	shentsize;	/* Section header table entry size */
+	uint16_t	shnum;		/* Section header table entry count */
+	uint16_t	shstrndx;	/* Section header string table index */
+} __attribute__((packed)) elf_t;
+
+task_t* elf_load(elf_t* bin, char* name, char** environ, char** argv, int argc);
+task_t* elf_load_file(char* path, char** environ, char** argv, int argc);