From 6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 18:29:51 +0200 Subject: Adding upstream version 2.06. Signed-off-by: Daniel Baumann --- include/grub/elfload.h | 82 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 include/grub/elfload.h (limited to 'include/grub/elfload.h') diff --git a/include/grub/elfload.h b/include/grub/elfload.h new file mode 100644 index 0000000..dbb609c --- /dev/null +++ b/include/grub/elfload.h @@ -0,0 +1,82 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. + * + * GRUB 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. + * + * GRUB 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 GRUB. If not, see . + */ + +#ifndef GRUB_ELFLOAD_HEADER +#define GRUB_ELFLOAD_HEADER 1 + +#include +#include +#include +#include +#include + +struct grub_elf_file +{ + grub_file_t file; + union { + Elf64_Ehdr ehdr64; + Elf32_Ehdr ehdr32; + } ehdr; + void *phdrs; + char *filename; +}; +typedef struct grub_elf_file *grub_elf_t; + +typedef int (*grub_elf32_phdr_iterate_hook_t) + (grub_elf_t elf, Elf32_Phdr *phdr, void *arg); +typedef int (*grub_elf64_phdr_iterate_hook_t) + (grub_elf_t elf, Elf64_Phdr *phdr, void *arg); + +grub_elf_t grub_elf_open (const char *, enum grub_file_type type); +grub_elf_t grub_elf_file (grub_file_t file, const char *filename); +grub_err_t grub_elf_close (grub_elf_t); + +int grub_elf_is_elf32 (grub_elf_t); +grub_size_t grub_elf32_size (grub_elf_t, + Elf32_Addr *, grub_uint32_t *); +enum grub_elf_load_flags + { + GRUB_ELF_LOAD_FLAGS_NONE = 0, + GRUB_ELF_LOAD_FLAGS_LOAD_PT_DYNAMIC = 1, + GRUB_ELF_LOAD_FLAGS_BITS = 6, + GRUB_ELF_LOAD_FLAGS_ALL_BITS = 0, + GRUB_ELF_LOAD_FLAGS_28BITS = 2, + GRUB_ELF_LOAD_FLAGS_30BITS = 4, + GRUB_ELF_LOAD_FLAGS_62BITS = 6, + }; +grub_err_t grub_elf32_load (grub_elf_t, const char *filename, + void *load_offset, enum grub_elf_load_flags flags, grub_addr_t *, + grub_size_t *); + +int grub_elf_is_elf64 (grub_elf_t); +grub_size_t grub_elf64_size (grub_elf_t, + Elf64_Addr *, grub_uint64_t *); +grub_err_t grub_elf64_load (grub_elf_t, const char *filename, + void *load_offset, enum grub_elf_load_flags flags, grub_addr_t *, + grub_size_t *); +grub_err_t grub_elf32_load_phdrs (grub_elf_t elf); +grub_err_t grub_elf64_load_phdrs (grub_elf_t elf); + +#define FOR_ELF32_PHDRS(elf, phdr) \ + for (grub_elf32_load_phdrs (elf), phdr = elf->phdrs; \ + phdr && phdr < (Elf32_Phdr *) elf->phdrs + elf->ehdr.ehdr32.e_phnum; phdr++) +#define FOR_ELF64_PHDRS(elf, phdr) \ + for (grub_elf64_load_phdrs (elf), phdr = elf->phdrs; \ + phdr && phdr < (Elf64_Phdr *) elf->phdrs + elf->ehdr.ehdr64.e_phnum; phdr++) + +#endif /* ! GRUB_ELFLOAD_HEADER */ -- cgit v1.2.3