Adding upstream version 1:2.0.27.upstream/1%2.0.27upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 143 insertions, 0 deletions

diff --git a/kexec/kexec-elf.h b/kexec/kexec-elf.h
new file mode 100644
index 0000000..1e512c8
--- /dev/null
+++ b/kexec/kexec-elf.h
@@ -0,0 +1,143 @@
+#ifndef KEXEC_ELF_H
+#define KEXEC_ELF_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+struct kexec_info;
+
+struct mem_ehdr {
+	unsigned ei_class;
+	unsigned ei_data;
+	unsigned e_type;
+	unsigned e_machine;
+	unsigned e_version;
+	unsigned e_flags;
+	unsigned e_phnum;
+	unsigned e_shnum;
+	unsigned e_shstrndx;
+	unsigned long long e_entry;
+	unsigned long long e_phoff;
+	unsigned long long e_shoff;
+	unsigned e_notenum;
+	struct mem_phdr *e_phdr;
+	struct mem_shdr *e_shdr;
+	struct mem_note *e_note;
+	unsigned long rel_addr, rel_size;
+};
+
+struct mem_phdr {
+	unsigned long long p_paddr;
+	unsigned long long p_vaddr;
+	unsigned long long p_filesz;
+	unsigned long long p_memsz;
+	unsigned long long p_offset;
+	const char *p_data;
+	unsigned p_type;
+	unsigned p_flags;
+	unsigned long long p_align;
+};
+
+struct mem_shdr {
+	unsigned sh_name;
+	unsigned sh_type;
+	unsigned long long sh_flags;
+	unsigned long long sh_addr;
+	unsigned long long sh_offset;
+	unsigned long long sh_size;
+	unsigned sh_link;
+	unsigned sh_info;
+	unsigned long long sh_addralign;
+	unsigned long long sh_entsize;
+	const unsigned char *sh_data;
+};
+
+struct mem_sym {
+	unsigned long st_name;   /* Symbol name (string tbl index) */
+	unsigned char st_info;   /* No defined meaning, 0 */
+	unsigned char st_other;  /* Symbol type and binding */
+	unsigned st_shndx;  /* Section index */
+	unsigned long long st_value;  /* Symbol value */
+	unsigned long long st_size;   /* Symbol size */
+};
+
+struct  mem_rela {
+	unsigned long long r_offset;
+	unsigned r_sym;
+	unsigned r_type;
+	unsigned long long r_addend;
+};
+
+struct mem_note {
+	unsigned n_type;
+	unsigned n_descsz;
+	const char *n_name;
+	const void *n_desc;
+};
+
+/* The definition of an ELF note does not vary depending
+ * on ELFCLASS.
+ */
+typedef struct
+{
+	uint32_t n_namesz;		/* Length of the note's name.  */
+	uint32_t n_descsz;		/* Length of the note's descriptor.  */
+	uint32_t n_type;		/* Type of the note.  */
+} ElfNN_Nhdr;
+
+/* Misc flags */
+
+#define ELF_SKIP_FILESZ_CHECK		0x00000001
+
+extern void free_elf_info(struct mem_ehdr *ehdr);
+extern int build_elf_info(const char *buf, off_t len, struct mem_ehdr *ehdr,
+				uint32_t flags);
+extern int build_elf_exec_info(const char *buf, off_t len,
+				struct mem_ehdr *ehdr, uint32_t flags);
+extern int build_elf_rel_info(const char *buf, off_t len, struct mem_ehdr *ehdr,
+				uint32_t flags);
+
+extern int build_elf_core_info(const char *buf, off_t len,
+					struct mem_ehdr *ehdr, uint32_t flags);
+extern int elf_exec_load(struct mem_ehdr *ehdr, struct kexec_info *info);
+extern int elf_exec_load_relocatable(struct mem_ehdr *ehdr, struct kexec_info *info,
+				     unsigned long reloc_min, unsigned long reloc_max,
+				     unsigned long align);
+extern int elf_rel_load(struct mem_ehdr *ehdr, struct kexec_info *info,
+	unsigned long min, unsigned long max, int end);
+
+extern void elf_exec_build_load(struct kexec_info *info, struct mem_ehdr *ehdr, 
+				const char *buf, off_t len, uint32_t flags);
+extern void elf_exec_build_load_relocatable(struct kexec_info *info, struct mem_ehdr *ehdr,
+					    const char *buf, off_t len, uint32_t flags,
+					    unsigned long reloc_min, unsigned long reloc_max,
+					    unsigned long align);
+extern void elf_rel_build_load(struct kexec_info *info, struct mem_ehdr *ehdr, 
+	const char *buf, off_t len, unsigned long min, unsigned long max, 
+	int end, uint32_t flags);
+
+extern int elf_rel_find_symbol(struct mem_ehdr *ehdr,
+	const char *name, struct mem_sym *ret_sym);
+extern unsigned long elf_rel_get_addr(struct mem_ehdr *ehdr, const char *name);
+extern void elf_rel_set_symbol(struct mem_ehdr *ehdr,
+	const char *name, const void *buf, size_t size);
+extern void elf_rel_get_symbol(struct mem_ehdr *ehdr,
+	const char *name, void *buf, size_t size);
+
+uint16_t elf16_to_cpu(const struct mem_ehdr *ehdr, uint16_t value);
+uint32_t elf32_to_cpu(const struct mem_ehdr *ehdr, uint32_t value);
+uint64_t elf64_to_cpu(const struct mem_ehdr *ehdr, uint64_t value);
+
+uint16_t cpu_to_elf16(const struct mem_ehdr *ehdr, uint16_t value);
+uint32_t cpu_to_elf32(const struct mem_ehdr *ehdr, uint32_t value);
+uint64_t cpu_to_elf64(const struct mem_ehdr *ehdr, uint64_t value);
+
+unsigned long elf_max_addr(const struct mem_ehdr *ehdr);
+
+/* Architecture specific helper functions */
+extern int machine_verify_elf_rel(struct mem_ehdr *ehdr);
+extern void machine_apply_elf_rel(struct mem_ehdr *ehdr, struct mem_sym *sym,
+	unsigned long r_type, void *location, unsigned long address,
+	unsigned long value);
+#endif /* KEXEC_ELF_H */
+