Initial commit of Open Source release

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 135 insertions, 0 deletions

diff --git a/include/elf.h b/include/elf.h
new file mode 100644
index 0000000..0a52f3e
--- /dev/null
+++ b/include/elf.h
@@ -0,0 +1,135 @@
+/* Copyright 2013-2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * 	http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ * implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __ELF_H
+#define __ELF_H
+
+#include <stdint.h>
+
+/* Generic ELF header */
+struct elf_hdr {
+	uint32_t ei_ident;
+#define ELF_IDENT	0x7F454C46
+	uint8_t ei_class;
+#define ELF_CLASS_32	1
+#define ELF_CLASS_64	2
+	uint8_t ei_data;
+#define ELF_DATA_LSB	1
+#define ELF_DATA_MSB	2
+	uint8_t ei_version;
+	uint8_t ei_pad[9];
+	uint16_t e_type;
+	uint16_t e_machine;
+#define ELF_MACH_PPC32	0x14
+#define ELF_MACH_PPC64	0x15
+	uint32_t e_version;
+};
+
+/* 64-bit ELF header */
+struct elf64_hdr {
+	uint32_t ei_ident;
+	uint8_t ei_class;
+	uint8_t ei_data;
+	uint8_t ei_version;
+	uint8_t ei_pad[9];
+	uint16_t e_type;
+	uint16_t e_machine;
+	uint32_t e_version;
+	uint64_t e_entry;
+	uint64_t e_phoff;
+	uint64_t e_shoff;
+	uint32_t e_flags;
+	uint16_t e_ehsize;
+	uint16_t e_phentsize;
+	uint16_t e_phnum;
+	uint16_t e_shentsize;
+	uint16_t e_shnum;
+	uint16_t e_shstrndx;
+};
+
+/* 64-bit ELF program header */
+struct elf64_phdr {
+	uint32_t p_type;
+#define ELF_PTYPE_LOAD	1
+	uint32_t p_flags;
+#define ELF_PFLAGS_R	0x4
+#define ELF_PFLAGS_W	0x2
+#define ELF_PFLAGS_X	0x1
+	uint64_t p_offset;
+	uint64_t p_vaddr;
+	uint64_t p_paddr;
+	uint64_t p_filesz;
+	uint64_t p_memsz;
+	uint64_t p_align;
+};
+
+/* Some relocation related stuff used in relocate.c */
+struct elf64_dyn {
+	int64_t	 d_tag;
+#define DT_NULL	 	0
+#define DT_RELA	 	7
+#define DT_RELASZ	8
+#define DT_RELAENT	9
+#define DT_RELACOUNT	0x6ffffff9
+	uint64_t d_val;
+};
+
+struct elf64_rela {
+	uint64_t	r_offset;
+	uint64_t	r_info;
+#define ELF64_R_TYPE(info)		((info) & 0xffffffffu)
+	int64_t		r_addend;
+};
+
+/* relocs we support */
+#define R_PPC64_RELATIVE	22
+
+/* 32-bit ELF header */
+struct elf32_hdr {
+	uint32_t ei_ident;
+	uint8_t ei_class;
+	uint8_t ei_data;
+	uint8_t ei_version;
+	uint8_t ei_pad[9];
+	uint16_t e_type;
+	uint16_t e_machine;
+	uint32_t e_version;
+	uint32_t e_entry;
+	uint32_t e_phoff;
+	uint32_t e_shoff;
+	uint32_t e_flags;
+	uint16_t e_ehsize;
+	uint16_t e_phentsize;
+	uint16_t e_phnum;
+	uint16_t e_shentsize;
+	uint16_t e_shnum;
+	uint16_t e_shstrndx;
+};
+
+/* 32-bit ELF program header*/
+struct elf32_phdr {
+	uint32_t p_type;
+	uint32_t p_offset;
+	uint32_t p_vaddr;
+	uint32_t p_paddr;
+	uint32_t p_filesz;
+	uint32_t p_memsz;
+	uint32_t p_flags;
+	uint32_t p_align;
+};
+
+
+#endif /* __ELF_H */