+++ /dev/null
-/* elf2pe.c - convert elf binary to PE/Coff. */
-/*
- * GRUB -- GRand Unified Bootloader
- * Copyright (C) 2008 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 <http://www.gnu.org/licenses/>.
- */
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <elf.h>
-
-#if defined(ELF2PE_I386)
-#define USE_ELF32
-#define USE_PE32
-#define ELF_MACHINE EM_386
-#define EFI_MACHINE PE32_MACHINE_I386
-#elif defined(ELF2PE_IA64)
-#define USE_ELF64
-#define USE_PE32PLUS
-#define ELF_MACHINE EM_IA_64
-#define EFI_MACHINE PE32_MACHINE_IA64
-#else
-#error "unknown architecture"
-#endif
-
-#include "pe32.h"
-
-const char *filename;
-
-int
-is_elf_header(uint8_t *buffer)
-{
- return (buffer[EI_MAG0] == ELFMAG0
- && buffer[EI_MAG1] == ELFMAG1
- && buffer[EI_MAG2] == ELFMAG2
- && buffer[EI_MAG3] == ELFMAG3);
-}
-
-#ifdef USE_ELF32
-typedef Elf32_Shdr Elf_Shdr;
-typedef Elf32_Ehdr Elf_Ehdr;
-typedef Elf32_Rel Elf_Rel;
-typedef Elf32_Rela Elf_Rela;
-typedef Elf32_Sym Elf_Sym;
-#define ELFCLASS ELFCLASS32
-#define ELF_R_TYPE(r) ELF32_R_TYPE(r)
-#define ELF_R_SYM(r) ELF32_R_SYM(r)
-#else
-typedef Elf64_Shdr Elf_Shdr;
-typedef Elf64_Ehdr Elf_Ehdr;
-typedef Elf64_Rel Elf_Rel;
-typedef Elf64_Rela Elf_Rela;
-typedef Elf64_Sym Elf_Sym;
-#define ELFCLASS ELFCLASS64
-#define ELF_R_TYPE(r) ELF64_R_TYPE(r)
-#define ELF_R_SYM(r) ELF64_R_SYM(r)
-#endif
-
-#ifdef ELF2PE_IA64
-#define ELF_ETYPE ET_DYN
-#else
-#define ELF_ETYPE ET_EXEC
-#endif
-
-/* Well known ELF structures. */
-Elf_Ehdr *ehdr;
-Elf_Shdr *shdr_base;
-Elf_Shdr *shdr_dynamic;
-const uint8_t *shdr_str;
-
-/* PE section alignment. */
-const uint32_t coff_alignment = 0x20;
-const uint32_t coff_nbr_sections = 4;
-
-/* Current offset in coff file. */
-uint32_t coff_offset;
-
-/* Result Coff file in memory. */
-uint8_t *coff_file;
-
-/* Offset in Coff file of headers and sections. */
-uint32_t nt_hdr_offset;
-uint32_t table_offset;
-uint32_t text_offset;
-uint32_t data_offset;
-uint32_t reloc_offset;
-
-#ifdef ELF2PE_IA64
-uint32_t coff_entry_descr_offset;
-uint32_t coff_entry_descr_func;
-uint64_t plt_base;
-#endif
-
-/* ELF sections to offset in Coff file. */
-uint32_t *coff_sections_offset;
-
-struct pe32_fixup_block *coff_base_rel;
-uint16_t *coff_entry_rel;
-
-uint32_t
-coff_align(uint32_t offset)
-{
- return (offset + coff_alignment - 1) & ~(coff_alignment - 1);
-}
-
-Elf_Shdr *
-get_shdr_by_index(uint32_t num)
-{
- if (num >= ehdr->e_shnum)
- return NULL;
- return (Elf_Shdr*)((uint8_t*)shdr_base + num * ehdr->e_shentsize);
-}
-
-int
-check_elf_header (void)
-{
- /* Note: Magic has already been tested. */
- if (ehdr->e_ident[EI_CLASS] != ELFCLASS)
- return 0;
- if (ehdr->e_ident[EI_DATA] != ELFDATA2LSB)
- return 0;
- if (ehdr->e_type != ELF_ETYPE)
- return 0;
- if (ehdr->e_machine != ELF_MACHINE)
- return 0;
- if (ehdr->e_version != EV_CURRENT)
- return 0;
-
- shdr_base = (Elf_Shdr *)((uint8_t *)ehdr + ehdr->e_shoff);
-
- coff_sections_offset =
- (uint32_t *)malloc (ehdr->e_shnum * sizeof (uint32_t));
- memset (coff_sections_offset, 0, ehdr->e_shnum * sizeof(uint32_t));
-
- if (ehdr->e_shstrndx != SHN_UNDEF)
- shdr_str = (uint8_t*)ehdr + shdr_base[ehdr->e_shstrndx].sh_offset;
- else
- shdr_str = NULL;
-
- return 1;
-}
-
-int
-is_text_shdr (Elf_Shdr *shdr)
-{
- if (shdr->sh_type != SHT_PROGBITS) {
- return 0;
- }
-#ifdef ELF2PE_IA64
- return (shdr->sh_flags & (SHF_EXECINSTR | SHF_ALLOC))
- == (SHF_ALLOC | SHF_EXECINSTR);
-#else
- return (shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) == SHF_ALLOC;
-#endif
-}
-
-int
-is_data_shdr (Elf_Shdr *shdr)
-{
- if (shdr->sh_type != SHT_PROGBITS && shdr->sh_type != SHT_NOBITS) {
- return 0;
- }
- return (shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) == (SHF_ALLOC | SHF_WRITE);
-}
-
-void
-create_section_header (const char *name, uint32_t offset, uint32_t size,
- uint32_t flags)
-{
- struct pe32_section_header *hdr;
- hdr = (struct pe32_section_header*)(coff_file + table_offset);
-
- strcpy (hdr->name, name);
- hdr->virtual_size = size;
- hdr->virtual_address = offset;
- hdr->raw_data_size = size;
- hdr->raw_data_offset = offset;
- hdr->relocations_offset = 0;
- hdr->line_numbers_offset = 0;
- hdr->num_relocations = 0;
- hdr->num_line_numbers = 0;
- hdr->characteristics = flags;
-
- table_offset += sizeof (struct pe32_section_header);
-}
-
-int
-scan_sections (void)
-{
- uint32_t i;
- struct pe32_dos_header *doshdr;
- struct pe32_nt_header *nt_hdr;
- uint32_t coff_entry = 0;
- int status = 0;
-
- coff_offset = 0;
-
- /* Coff file start with a DOS header. */
- coff_offset = sizeof(struct pe32_dos_header);
- nt_hdr_offset = coff_offset;
- coff_offset += sizeof(struct pe32_nt_header);
- table_offset = coff_offset;
- coff_offset += coff_nbr_sections * sizeof(struct pe32_section_header);
-
- /* First text sections. */
- coff_offset = coff_align(coff_offset);
- text_offset = coff_offset;
- for (i = 0; i < ehdr->e_shnum; i++) {
- Elf_Shdr *shdr = get_shdr_by_index (i);
- if (is_text_shdr (shdr)) {
- /* Relocate entry. */
- if (ehdr->e_entry >= shdr->sh_addr
- && ehdr->e_entry < shdr->sh_addr + shdr->sh_size) {
- coff_entry = coff_offset + ehdr->e_entry - shdr->sh_addr;
- }
- coff_sections_offset[i] = coff_offset;
- coff_offset += shdr->sh_size;
-#ifdef ELF2PE_IA64
- if (coff_sections_offset[i] != shdr->sh_addr) {
- fprintf (stderr,
- "Section %s: Coff offset (%x) != Elf offset (%lx)",
- shdr_str + shdr->sh_name,
- coff_sections_offset[i],
- shdr->sh_addr);
- status = -1;
- }
-#endif
- }
- if (shdr->sh_type == SHT_DYNAMIC) {
- shdr_dynamic = shdr;
- }
- }
-#ifdef ELF2PE_IA64
- /* 16 bytes are reserved (by the ld script) for the entry point descriptor.
- */
- coff_entry_descr_offset = coff_offset - 16;
-#endif
-
- coff_offset = coff_align (coff_offset);
-
- /* Then data sections. */
- data_offset = coff_offset;
- for (i = 0; i < ehdr->e_shnum; i++) {
- Elf_Shdr *shdr = get_shdr_by_index (i);
- if (is_data_shdr (shdr)) {
- coff_sections_offset[i] = coff_offset;
- coff_offset += shdr->sh_size;
-#ifdef ELF2PE_IA64
- if (coff_sections_offset[i] != shdr->sh_addr) {
- fprintf (stderr,
- "Section %s: Coff offset (%x) != Elf offset (%lx)",
- shdr_str + shdr->sh_name,
- coff_sections_offset[i],
- shdr->sh_addr);
- status = -1;
- }
-#endif
- }
- }
- coff_offset = coff_align (coff_offset);
-
- reloc_offset = coff_offset;
-
- /* Allocate base Coff file. Will be expanded later for relocations. */
- coff_file = (uint8_t *)malloc (coff_offset);
- memset (coff_file, 0, coff_offset);
-
- /* Fill headers. */
- doshdr = (struct pe32_dos_header *)coff_file;
- doshdr->magic = 0x5A4D;
- doshdr->new_hdr_offset = nt_hdr_offset;
-
- nt_hdr = (struct pe32_nt_header*)(coff_file + nt_hdr_offset);
-
- memcpy (nt_hdr->signature, "PE\0", 4);
-
- nt_hdr->coff_header.machine = EFI_MACHINE;
- nt_hdr->coff_header.num_sections = coff_nbr_sections;
- nt_hdr->coff_header.time = time (NULL);
- nt_hdr->coff_header.symtab_offset = 0;
- nt_hdr->coff_header.num_symbols = 0;
- nt_hdr->coff_header.optional_header_size = sizeof(nt_hdr->optional_header);
- nt_hdr->coff_header.characteristics = PE32_EXECUTABLE_IMAGE
- | PE32_LINE_NUMS_STRIPPED
- | PE32_LOCAL_SYMS_STRIPPED
- | PE32_32BIT_MACHINE;
-
-#ifdef USE_PE32
- nt_hdr->optional_header.magic = PE32_PE32_MAGIC;
-#else
- nt_hdr->optional_header.magic = PE32_PE64_MAGIC;
-#endif
- nt_hdr->optional_header.code_size = data_offset - text_offset;
- nt_hdr->optional_header.data_size = reloc_offset - data_offset;
- nt_hdr->optional_header.bss_size = 0;
-#ifdef ELF2PE_IA64
- nt_hdr->optional_header.entry_addr = coff_entry_descr_offset;
- coff_entry_descr_func = coff_entry;
-#else
- nt_hdr->optional_header.entry_addr = coff_entry;
-#endif
- nt_hdr->optional_header.code_base = text_offset;
-
-#ifdef USE_PE32
- nt_hdr->optional_header.data_base = data_offset;
-#endif
- nt_hdr->optional_header.image_base = 0;
- nt_hdr->optional_header.section_alignment = coff_alignment;
- nt_hdr->optional_header.file_alignment = coff_alignment;
- nt_hdr->optional_header.image_size = 0;
-
- nt_hdr->optional_header.header_size = text_offset;
- nt_hdr->optional_header.num_data_directories = PE32_NUM_DATA_DIRECTORIES;
-
- /* Section headers. */
- create_section_header (".text", text_offset, data_offset - text_offset,
- PE32_SCN_CNT_CODE
- | PE32_SCN_MEM_EXECUTE
- | PE32_SCN_MEM_READ);
- create_section_header (".data", data_offset, reloc_offset - data_offset,
- PE32_SCN_CNT_INITIALIZED_DATA
- | PE32_SCN_MEM_WRITE
- | PE32_SCN_MEM_READ);
-#ifdef ELF2PE_IA64
- if (shdr_dynamic != NULL)
- {
- Elf64_Dyn *dyn = (Elf64_Dyn*)((uint8_t*)ehdr + shdr_dynamic->sh_offset);
- while (dyn->d_tag != DT_NULL)
- {
- if (dyn->d_tag == DT_PLTGOT)
- plt_base = dyn->d_un.d_ptr;
- dyn++;
- }
- }
-#endif
- return status;
-}
-
-int
-write_sections (int (*filter)(Elf_Shdr *))
-{
- uint32_t idx;
- int status = 0;
-
- /* First: copy sections. */
- for (idx = 0; idx < ehdr->e_shnum; idx++)
- {
- Elf_Shdr *shdr = get_shdr_by_index (idx);
- if ((*filter)(shdr))
- {
- switch (shdr->sh_type) {
- case SHT_PROGBITS:
- /* Copy. */
- memcpy (coff_file + coff_sections_offset[idx],
- (uint8_t*)ehdr + shdr->sh_offset,
- shdr->sh_size);
- break;
- case SHT_NOBITS:
- memset (coff_file + coff_sections_offset[idx], 0, shdr->sh_size);
- break;
- case SHT_DYNAMIC:
- break;
- default:
- fprintf (stderr, "unhandled section type %x",
- (unsigned int)shdr->sh_type);
- status = -1;
- }
- }
- }
-
- /* Second: apply relocations. */
- for (idx = 0; idx < ehdr->e_shnum; idx++)
- {
- Elf_Shdr *rel_shdr = get_shdr_by_index (idx);
- if (rel_shdr->sh_type != SHT_REL && rel_shdr->sh_type != SHT_RELA)
- continue;
- Elf_Shdr *sec_shdr = get_shdr_by_index (rel_shdr->sh_info);
- uint32_t sec_offset = coff_sections_offset[rel_shdr->sh_info];
-
- if (rel_shdr->sh_info == 0 || (*filter)(sec_shdr))
- {
- uint32_t rel_idx;
- Elf_Shdr *symtab_shdr = get_shdr_by_index(rel_shdr->sh_link);
- uint8_t *symtab = (uint8_t*)ehdr + symtab_shdr->sh_offset;
-
- if (rel_shdr->sh_type == SHT_REL)
- {
- for (rel_idx = 0;
- rel_idx < rel_shdr->sh_size;
- rel_idx += rel_shdr->sh_entsize)
- {
- Elf_Rel *rel = (Elf_Rel *)
- ((uint8_t*)ehdr + rel_shdr->sh_offset + rel_idx);
- Elf_Sym *sym = (Elf_Sym *)
- (symtab
- + ELF_R_SYM(rel->r_info) * symtab_shdr->sh_entsize);
- Elf_Shdr *sym_shdr;
- uint8_t *targ;
-
- if (sym->st_shndx == SHN_UNDEF
- || sym->st_shndx == SHN_ABS
- || sym->st_shndx > ehdr->e_shnum)
- {
- fprintf (stderr, "bad symbol definition");
- status = -1;
- }
- sym_shdr = get_shdr_by_index(sym->st_shndx);
-
- /* Note: r_offset in a memory address.
- Convert it to a pointer in the coff file. */
- targ = coff_file + sec_offset
- + (rel->r_offset - sec_shdr->sh_addr);
-
- switch (ELF_R_TYPE(rel->r_info)) {
- case R_386_NONE:
- break;
- case R_386_32:
- /* Absolute relocation. */
- *(uint32_t *)targ = *(uint32_t *)targ - sym_shdr->sh_addr
- + coff_sections_offset[sym->st_shndx];
- break;
- case R_386_PC32:
- /* Relative relocation: Symbol - Ip + Addend */
- *(uint32_t *)targ = *(uint32_t *)targ
- + (coff_sections_offset[sym->st_shndx]
- - sym_shdr->sh_addr)
- - (sec_offset - sec_shdr->sh_addr);
- break;
- default:
- fprintf (stderr, "unhandled relocation type %lx",
- ELF_R_TYPE(rel->r_info));
- status = -1;
- }
- }
- }
- else if (rel_shdr->sh_type == SHT_RELA)
- {
- for (rel_idx = 0;
- rel_idx < rel_shdr->sh_size;
- rel_idx += rel_shdr->sh_entsize) {
- Elf_Rela *rela = (Elf_Rela *)
- ((uint8_t*)ehdr + rel_shdr->sh_offset + rel_idx);
- Elf_Sym *sym = (Elf_Sym *)
- (symtab + ELF_R_SYM(rela->r_info) * symtab_shdr->sh_entsize);
- Elf_Shdr *sym_shdr;
- uint8_t *targ;
-
- if (ELF_R_TYPE(rela->r_info) == R_IA64_NONE)
- continue;
-
-#if 0
- if (sym->st_shndx == SHN_UNDEF
- || sym->st_shndx == SHN_ABS
- || sym->st_shndx > ehdr->e_shnum) {
- fprintf (stderr, "bad symbol definition %d",
- ELF_R_SYM(rela->r_info));
- }
-#endif
- sym_shdr = get_shdr_by_index (sym->st_shndx);
-
- /* Note: r_offset in a memory address.
- Convert it to a pointer in the coff file. */
- targ = coff_file + sec_offset
- + (rela->r_offset - sec_shdr->sh_addr);
-
- switch (ELF_R_TYPE(rela->r_info)) {
- case R_IA64_IPLTLSB:
- /* If there is a descriptor with the same function
- pointer as the ELF entry point, use that
- descriptor for the PE/Coff entry. */
- if (*(uint64_t*)targ == ehdr->e_entry) {
- struct pe32_nt_header *nt_hdr;
-
- nt_hdr =
- (struct pe32_nt_header*)(coff_file + nt_hdr_offset);
- nt_hdr->optional_header.entry_addr = targ - coff_file;
- }
- break;
- case R_IA64_REL64LSB:
- case R_IA64_NONE:
- break;
- default:
- fprintf (stderr,
- "unhandled relocation type %lx in section %d",
- ELF_R_TYPE(rela->r_info), rel_shdr->sh_info);
- status = -1;
- }
- }
- }
- }
- }
- return status;
-}
-
-void
-coff_add_fixup_entry (uint16_t val)
-{
- *coff_entry_rel = val;
- coff_entry_rel++;
- coff_base_rel->block_size += 2;
- coff_offset += 2;
-}
-
-void
-coff_add_fixup (uint32_t offset, uint8_t type)
-{
- if (coff_base_rel == NULL
- || coff_base_rel->page_rva != (offset & ~0xfff)) {
- if (coff_base_rel != NULL) {
- /* Add a null entry (is it required ?) */
- coff_add_fixup_entry (0);
- /* Pad for alignment. */
- if (coff_offset % 4 != 0)
- coff_add_fixup_entry (0);
- }
-
- coff_file = realloc
- (coff_file,
- coff_offset + sizeof(struct pe32_fixup_block) + 2*0x1000);
- memset(coff_file + coff_offset, 0,
- sizeof(struct pe32_fixup_block) + 2*0x1000);
-
- coff_base_rel = (struct pe32_fixup_block*)(coff_file + coff_offset);
- coff_base_rel->page_rva = offset & ~0xfff;
- coff_base_rel->block_size = sizeof(struct pe32_fixup_block);
-
- coff_entry_rel = (uint16_t *)(coff_base_rel + 1);
- coff_offset += sizeof(struct pe32_fixup_block);
- }
-
- /* Fill the entry. */
- coff_add_fixup_entry ((type << 12) | (offset & 0xfff));
-}
-
-int
-write_relocations(void)
-{
- uint32_t idx;
- struct pe32_nt_header *nt_hdr;
- struct pe32_data_directory *dir;
- int status = 0;
-
- for (idx = 0; idx < ehdr->e_shnum; idx++)
- {
- Elf_Shdr *rel_shdr = get_shdr_by_index (idx);
- if (rel_shdr->sh_type == SHT_REL)
- {
- Elf_Shdr *sec_shdr = get_shdr_by_index (rel_shdr->sh_info);
- if (is_text_shdr(sec_shdr) || is_data_shdr(sec_shdr))
- {
- uint32_t rel_idx;
- for (rel_idx = 0;
- rel_idx < rel_shdr->sh_size;
- rel_idx += rel_shdr->sh_entsize)
- {
- Elf_Rel *rel = (Elf_Rel *)
- ((uint8_t*)ehdr + rel_shdr->sh_offset + rel_idx);
-
- switch (ELF_R_TYPE(rel->r_info))
- {
- case R_386_NONE:
- case R_386_PC32:
- break;
- case R_386_32:
- coff_add_fixup(coff_sections_offset[rel_shdr->sh_info]
- + (rel->r_offset - sec_shdr->sh_addr),
- PE32_REL_BASED_HIGHLOW);
- break;
- default:
- fprintf (stderr, "unhandled relocation type %lx",
- ELF_R_TYPE(rel->r_info));
- status = -1;
- }
- }
- }
- }
- else if (rel_shdr->sh_type == SHT_RELA)
- {
- Elf_Shdr *sec_shdr = get_shdr_by_index(rel_shdr->sh_info);
- if (rel_shdr->sh_info == 0
- || is_text_shdr(sec_shdr) || is_data_shdr(sec_shdr))
- {
- uint32_t rel_idx;
- for (rel_idx = 0;
- rel_idx < rel_shdr->sh_size;
- rel_idx += rel_shdr->sh_entsize) {
- Elf_Rela *rela = (Elf_Rela *)
- ((uint8_t*)ehdr + rel_shdr->sh_offset + rel_idx);
- uint32_t Loc = coff_sections_offset[rel_shdr->sh_info]
- + (rela->r_offset - sec_shdr->sh_addr);
-
- switch (ELF_R_TYPE(rela->r_info))
- {
- case R_IA64_IPLTLSB:
- coff_add_fixup(Loc, PE32_REL_BASED_DIR64);
- coff_add_fixup(Loc + 8, PE32_REL_BASED_DIR64);
- break;
- case R_IA64_REL64LSB:
- coff_add_fixup(Loc, PE32_REL_BASED_DIR64);
- break;
- case R_IA64_DIR64LSB:
- coff_add_fixup(Loc, PE32_REL_BASED_DIR64);
- break;
- case R_IA64_IMM64:
- coff_add_fixup(Loc, PE32_REL_BASED_IA64_IMM64);
- break;
- case R_IA64_PCREL21B:
- case R_IA64_PCREL64LSB:
- case R_IA64_SECREL32LSB:
- case R_IA64_SEGREL64LSB:
- break;
- case R_IA64_GPREL22:
- case R_IA64_LTOFF22X:
- case R_IA64_LDXMOV:
- case R_IA64_LTOFF_FPTR22:
- case R_IA64_NONE:
- break;
- default:
- fprintf (stderr, "unhandled relocation type %lx",
- ELF_R_TYPE(rela->r_info));
- status = -1;
- }
- }
- }
- }
- }
-
-#ifdef ELF2PE_IA64
- coff_add_fixup (coff_entry_descr_offset, PE32_REL_BASED_DIR64);
- coff_add_fixup (coff_entry_descr_offset + 8, PE32_REL_BASED_DIR64);
-#endif
-
- /* Pad by adding empty entries. */
- while (coff_offset & (coff_alignment - 1))
- coff_add_fixup_entry (0);
-
- create_section_header (".reloc", reloc_offset, coff_offset - reloc_offset,
- PE32_SCN_CNT_INITIALIZED_DATA
- | PE32_SCN_MEM_DISCARDABLE
- | PE32_SCN_MEM_READ);
-
- nt_hdr = (struct pe32_nt_header *)(coff_file + nt_hdr_offset);
- dir = &nt_hdr->optional_header.base_relocation_table;
- dir->rva = reloc_offset;
- dir->size = coff_offset - reloc_offset;
-
- return status;
-}
-
-void
-write_debug(void)
-{
- uint32_t len = strlen(filename) + 1;
- uint32_t debug_offset = coff_offset;
- struct pe32_nt_header *nt_hdr;
- struct pe32_data_directory *data_dir;
- struct pe32_debug_directory_entry *dir;
- struct pe32_debug_codeview_nb10_entry *nb10;
-
- coff_offset += sizeof (struct pe32_debug_directory_entry)
- + sizeof(struct pe32_debug_codeview_nb10_entry)
- + len;
- coff_offset = coff_align(coff_offset);
-
- coff_file = realloc
- (coff_file, coff_offset);
- memset(coff_file + debug_offset, 0, coff_offset - debug_offset);
-
- dir = (struct pe32_debug_directory_entry*)(coff_file + debug_offset);
- dir->type = PE32_DEBUG_TYPE_CODEVIEW;
- dir->data_size = sizeof(struct pe32_debug_directory_entry) + len;
- dir->rva = debug_offset + sizeof(struct pe32_debug_directory_entry);
- dir->file_offset = debug_offset + sizeof(struct pe32_debug_directory_entry);
-
- nb10 = (struct pe32_debug_codeview_nb10_entry*)(dir + 1);
- nb10->signature = PE32_CODEVIEW_SIGNATURE_NB10;
- strcpy (nb10->filename, filename);
-
- create_section_header (".debug", debug_offset, coff_offset - debug_offset,
- PE32_SCN_CNT_INITIALIZED_DATA
- | PE32_SCN_MEM_DISCARDABLE
- | PE32_SCN_MEM_READ);
-
- nt_hdr = (struct pe32_nt_header *)(coff_file + nt_hdr_offset);
- data_dir = &nt_hdr->optional_header.debug;
- data_dir->rva = debug_offset;
- data_dir->size = coff_offset - debug_offset;
-}
-
-int
-convert_elf (uint8_t **file_buffer, unsigned int *file_length)
-{
- struct pe32_nt_header *nt_hdr;
-
- /* Check header, read section table. */
- ehdr = (Elf_Ehdr*)*file_buffer;
- if (!check_elf_header ())
- return -1;
-
- /* Compute sections new address. */
- if (scan_sections () != 0)
- return -2;
-
- /* Write and relocate sections. */
- if (write_sections (is_text_shdr) != 0)
- return -3;
-
-#ifdef ELF2PE_IA64
- *(uint64_t*)(coff_file + coff_entry_descr_offset) = coff_entry_descr_func;
- *(uint64_t*)(coff_file + coff_entry_descr_offset + 8) = plt_base;
-#endif
-
- if (write_sections (is_data_shdr) != 0)
- return -4;
-
- /* Translate and write relocations. */
- if (write_relocations () != 0)
- return -5;
-
- /* Write debug info. */
- write_debug ();
-
- nt_hdr = (struct pe32_nt_header *)(coff_file + nt_hdr_offset);
- nt_hdr->optional_header.image_size = coff_offset;
-
- nt_hdr->optional_header.subsystem = PE32_SUBSYSTEM_EFI_APPLICATION;
-
- /* Replace. */
- free (*file_buffer);
- *file_buffer = coff_file;
- *file_length = coff_offset;
-
- return 0;
-}
-
-int
-main (int argc, char **argv)
-{
- FILE *f;
- unsigned int size;
- uint8_t *buffer;
- const char *outfile;
- int status;
-
- if (argc != 3)
- {
- fprintf (stderr, "usage: %s elf-file pe-file\n", argv[0]);
- exit (1);
- }
-
- filename = argv[1];
- outfile = argv[2];
- f = fopen (filename, "rb");
- fseek (f, 0, SEEK_END);
- size = ftell (f);
- fseek (f, 0, SEEK_SET);
-
- buffer = malloc (size);
- if (buffer == NULL)
- {
- fprintf (stderr, "cannot allocate %u bytes of memory\n", size);
- exit (2);
- }
- if (fread (buffer, size, 1, f) != 1)
- {
- fprintf (stderr, "cannot read %s\n", filename);
- exit (2);
- }
- fclose (f);
-
- if (!is_elf_header (buffer))
- {
- fprintf (stderr, "%s is not an elf file\n", filename);
- exit (2);
- }
-
- status = convert_elf (&buffer, &size);
- if (status != 0)
- {
- fprintf (stderr, "cannot convert %s to pe (err=%d)\n", filename, status);
- exit (2);
- }
-
- f = fopen (outfile, "wb");
- if (f == NULL)
- {
- fprintf (stderr, "cannot open %s\n", outfile);
- exit (2);
- }
- if (fwrite (buffer, size, 1, f) != 1)
- {
- fprintf (stderr, "cannot write to %s\n", outfile);
- exit (2);
- }
- fclose (f);
-
- return 0;
-}
+++ /dev/null
-#! /bin/sh
-
-# Install GRUB on your EFI partition.
-# Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008 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 <http://www.gnu.org/licenses/>.
-
-
-# Initialize some variables.
-prefix=@prefix@
-exec_prefix=@exec_prefix@
-sbindir=@sbindir@
-bindir=@bindir@
-libdir=@libdir@
-datadir=@datadir@
-PACKAGE_NAME=@PACKAGE_NAME@
-PACKAGE_TARNAME=@PACKAGE_TARNAME@
-PACKAGE_VERSION=@PACKAGE_VERSION@
-target_cpu=@target_cpu@
-platform=@platform@
-pkglibdir=${libdir}/${PACKAGE_TARNAME}/${target_cpu}-${platform}
-pkgdatadir=${datadir}/${PACKAGE_TARNAME}
-
-
-TARGET_CC=@TARGET_CC@
-TARGET_CFLAGS="@TARGET_CFLAGS@"
-TARGET_CPPFLAGS="@TARGET_CPPFLAGS@"
-TARGET_LDFLAGS="@TARGET_LDFLAGS@"
-OBJCOPY=@OBJCOPY@
-
-grub_setup=${sbindir}/grub-setup
-grub_mkimage=${bindir}/grub-mkimage
-grub_mkdevicemap=${sbindir}/grub-mkdevicemap
-grub_probefs=${sbindir}/grub-probefs
-rootdir=
-grub_prefix=/boot/grub
-modules=
-
-install_device=
-recheck=no
-debug=no
-
-# Usage: usage
-# Print the usage.
-usage () {
- cat <<EOF
-Usage: grub-install [OPTION] install_device
-Install GRUB on your drive.
-
- -h, --help print this message and exit
- -v, --version print the version information and exit
- --modules=MODULES pre-load specified modules MODULES
- --root-directory=DIR install GRUB images under the directory DIR
- instead of the root directory
- --grub-setup=FILE use FILE as grub-setup
- --grub-mkimage=FILE use FILE as grub-mkimage
- --grub-mkdevicemap=FILE use FILE as grub-mkdevicemap
- --grub-probefs=FILE use FILE as grub-probefs
- --no-floppy do not probe any floppy drive
- --recheck probe a device map even if it already exists
-
-INSTALL_DEVICE can be a GRUB device name or a system device filename.
-
-grub-install copies GRUB images into the DIR/boot directory specfied by
---root-directory, and uses grub-setup to install grub into the boot
-sector.
-
-Report bugs to <bug-grub@gnu.org>.
-EOF
-}
-
-# Check the arguments.
-for option in "$@"; do
- case "$option" in
- -h | --help)
- usage
- exit 0 ;;
- -v | --version)
- echo "grub-install (GNU GRUB ${PACKAGE_VERSION})"
- exit 0 ;;
- --modules=*)
- modules=`echo "$option" | sed 's/--modules=//'` ;;
- --root-directory=*)
- rootdir=`echo "$option" | sed 's/--root-directory=//'` ;;
- --grub-setup=*)
- grub_setup=`echo "$option" | sed 's/--grub-setup=//'` ;;
- --grub-mkimage=*)
- grub_mkimage=`echo "$option" | sed 's/--grub-mkimage=//'` ;;
- --grub-mkdevicemap=*)
- grub_mkdevicemap=`echo "$option" | sed 's/--grub-mkdevicemap=//'` ;;
- --grub-probefs=*)
- grub_probefs=`echo "$option" | sed 's/--grub-probefs=//'` ;;
- --pkglibdir=*)
- pkglibdir=`echo "$option" | sed 's/--pkglibdir=//'` ;;
- --pkgdatadir=*)
- pkgdatadir=`echo "$option" | sed 's/--pkgdatadir=//'` ;;
- --recheck)
- recheck=yes ;;
- # This is an undocumented feature...
- --debug)
- debug=yes ;;
- -*)
- echo "Unrecognized option \`$option'" 1>&2
- usage
- exit 1
- ;;
- *)
- if test "x$install_device" != x; then
- echo "More than one install_devices?" 1>&2
- usage
- exit 1
- fi
- install_device="${option}" ;;
- esac
-done
-
-#if test "x$install_device" = x; then
-# echo "install_device not specified." 1>&2
-# usage
-# exit 1
-#fi
-
-# If the debugging feature is enabled, print commands.
-if test $debug = yes; then
- set -x
-fi
-
-# Initialize these directories here, since ROOTDIR was initialized.
-bootdir=${rootdir}/boot/efi
-
-grubdir=${bootdir}/grub
-device_map=${grubdir}/device.map
-
-# Create the GRUB directory if it is not present.
-test -d "$bootdir" || mkdir "$bootdir" || exit 1
-test -d "$grubdir" || mkdir "$grubdir" || exit 1
-
-# Copy the GRUB images to the GRUB directory.
-if false; then
- for file in ${grubdir}/*.mod ${grubdir}/*.lst; do
- if test -f $file; then
- rm -f $file || exit 1
- fi
- done
- for file in ${pkglibdir}/*.mod ${pkglibdir}/*.lst; do
- cp -f $file ${grubdir} || exit 1
- done
-fi
-
-# Create the core image. First, auto-detect the filesystme module.
-#fs_module=`$grub_probefs --device-map=${device_map} ${grubdir}`
-#if test "x$fs_module" = x -a "x$modules" = x; then
-# echo "Auto-detection of a filesystem module failed." 1>&2
-# echo "Please specify the module with the option \`--modules' explicitly." 1>&2
-# exit 1
-#fi
-
-# Typically, _chain and pc are required.
-modules="$modules $fs_module _chain"
-
-modules="kernel gzio gpt fat normal ls cat fshelp help _linux linux $modules"
-modules="$modules memmap systab boot"
-
-if [ $debug = yes ]; then
- tmpdir=.
-else
- tmpdir=`mktemp -d /tmp/grub.XXXXXXXXXX` || exit 1
- trap "rm -rf $tmpdir" 1 2 13 15
-fi
-
-# Generate init/fini for modules.
-modfile=$tmpdir/mod.c
-echo "/* Dummy modules. */" > $modfile
-list=""
-init_list=""
-fini_list=""
-for m in $modules; do
- file="$pkglibdir/${m}.mod"
- name=`nm $file | sed -n "/ r grub_module_name/ s/.* r grub_module_name_\(.*\)/\1/p"`
- init=`nm $file | sed -n "/ T grub_module_.*_init/ s/.* T //p"`
- fini=`nm $file | sed -n "/ T grub_module_.*_fini/ s/.* T //p"`
- init_list="$init_list $init"
- fini_list="$fini_list $fini"
- arg="\"$name\",${init:-0},${fini:-0}"
- list="$list $arg"
-done
-echo "extern void grub_init_module (const char *, void (*init)(void *), void (*fini)(void));" >> $modfile
-echo "extern void grub_init_modules (void);" >> $modfile
-for m in $init_list; do
- echo "extern void $m(void *);" >> $modfile
-done
-for m in $fini_list; do
- echo "extern void $m(void);" >> $modfile
-done
-echo "void grub_init_modules (void)" >> $modfile
-echo "{" >> $modfile
-for m in $list; do
- echo " grub_init_module($m);" >> $modfile
-done
-echo "}" >> $modfile
-
-$TARGET_CC -c $TARGET_CFLAGS -o $tmpdir/mod.o $modfile
-
-mod_objs=
-for m in $modules; do mod_objs="$mod_objs $pkglibdir/${m}.mod"; done
-
-ld -pie -nostdlib -T $pkgdatadir/elf_ia64_efi.lds \
- $mod_objs $tmpdir/mod.o -o $tmpdir/grub.elf
-
-
-if ! $bindir/grub-elf2pe $tmpdir/grub.elf $grubdir/grub.efi; then
- echo "Failed to build efi binary"
- [ $debug = no ] && rm -rf $tmpdir
- exit 1
-fi
-
-echo "grub.efi generated"
-
-[ $debug = no ] && rm -rf $tmpdir
-
-# Bye.
-exit 0
+++ /dev/null
-/* pe32.h - PE/Coff definitions. */
-/*
- * GRUB -- GRand Unified Bootloader
- * Copyright (C) 2008 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 <http://www.gnu.org/licenses/>.
- */
-#ifdef USE_PE32PLUS
-typedef uint64_t pe32_uintptr_t;
-#else
-typedef uint32_t pe32_uintptr_t;
-#endif
-
-struct pe32_coff_header
-{
- uint16_t machine;
- uint16_t num_sections;
- uint32_t time;
- uint32_t symtab_offset;
- uint32_t num_symbols;
- uint16_t optional_header_size;
- uint16_t characteristics;
-};
-
-#define PE32_MACHINE_I386 0x014c
-#define PE32_MACHINE_IA64 0x0200
-#define PE32_MACHINE_EBC 0x0EBC
-#define PE32_MACHINE_X64 0x8664
-
-#define PE32_RELOCS_STRIPPED 0x0001
-#define PE32_EXECUTABLE_IMAGE 0x0002
-#define PE32_LINE_NUMS_STRIPPED 0x0004
-#define PE32_LOCAL_SYMS_STRIPPED 0x0008
-#define PE32_AGGRESSIVE_WS_TRIM 0x0010
-#define PE32_LARGE_ADDRESS_AWARE 0x0020
-#define PE32_16BIT_MACHINE 0x0040
-#define PE32_BYTES_REVERSED_LO 0x0080
-#define PE32_32BIT_MACHINE 0x0100
-#define PE32_DEBUG_STRIPPED 0x0200
-#define PE32_REMOVABLE_RUN_FROM_SWAP 0x0400
-#define PE32_SYSTEM 0x1000
-#define PE32_DLL 0x2000
-#define PE32_UP_SYSTEM_ONLY 0x4000
-#define PE32_BYTES_REVERSED_HI 0x8000
-
-struct pe32_data_directory
-{
- uint32_t rva;
- uint32_t size;
-};
-
-struct pe32_optional_header
-{
- uint16_t magic;
- uint8_t major_linker_version;
- uint8_t minor_linker_version;
- uint32_t code_size;
- uint32_t data_size;
- uint32_t bss_size;
- uint32_t entry_addr;
- uint32_t code_base;
-
-#ifndef USE_PE32PLUS
- uint32_t data_base;
-#endif
-
- pe32_uintptr_t image_base;
- uint32_t section_alignment;
- uint32_t file_alignment;
- uint16_t major_os_version;
- uint16_t minor_os_version;
- uint16_t major_image_version;
- uint16_t minor_image_version;
- uint16_t major_subsystem_version;
- uint16_t minor_subsystem_version;
- uint32_t reserved;
- uint32_t image_size;
- uint32_t header_size;
- uint32_t checksum;
- uint16_t subsystem;
- uint16_t dll_characteristics;
- pe32_uintptr_t stack_reserve_size;
- pe32_uintptr_t stack_commit_size;
- pe32_uintptr_t heap_reserve_size;
- pe32_uintptr_t heap_commit_size;
- uint32_t loader_flags;
- uint32_t num_data_directories;
-
- /* Data directories. */
- struct pe32_data_directory export_table;
- struct pe32_data_directory import_table;
- struct pe32_data_directory resource_table;
- struct pe32_data_directory exception_table;
- struct pe32_data_directory certificate_table;
- struct pe32_data_directory base_relocation_table;
- struct pe32_data_directory debug;
- struct pe32_data_directory architecture;
- struct pe32_data_directory global_ptr;
- struct pe32_data_directory tls_table;
- struct pe32_data_directory load_config_table;
- struct pe32_data_directory bound_import;
- struct pe32_data_directory iat;
- struct pe32_data_directory delay_import_descriptor;
- struct pe32_data_directory com_runtime_header;
- struct pe32_data_directory reserved_entry;
-};
-
-#define PE32_PE32_MAGIC 0x10b
-#define PE32_PE64_MAGIC 0x20b
-
-#define PE32_SUBSYSTEM_EFI_APPLICATION 10
-#define PE32_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER 11
-#define PE32_SUBSYSTEM_EFI_RUNTIME_DRIVER 12
-#define PE32_SUBSYSTEM_EFI_EFI_ROM 13
-
-#define PE32_NUM_DATA_DIRECTORIES 16
-
-struct pe32_section_header
-{
- char name[8];
- uint32_t virtual_size;
- uint32_t virtual_address;
- uint32_t raw_data_size;
- uint32_t raw_data_offset;
- uint32_t relocations_offset;
- uint32_t line_numbers_offset;
- uint16_t num_relocations;
- uint16_t num_line_numbers;
- uint32_t characteristics;
-};
-
-#define PE32_SCN_CNT_CODE 0x00000020
-#define PE32_SCN_CNT_INITIALIZED_DATA 0x00000040
-#define PE32_SCN_MEM_DISCARDABLE 0x02000000
-#define PE32_SCN_MEM_EXECUTE 0x20000000
-#define PE32_SCN_MEM_READ 0x40000000
-#define PE32_SCN_MEM_WRITE 0x80000000
-
-struct pe32_dos_header
-{
- uint16_t magic; // Magic number
- uint16_t cblp; // Bytes on last page of file
- uint16_t cp; // Pages in file
- uint16_t crlc; // Relocations
- uint16_t cparhdr; // Size of header in paragraphs
- uint16_t minalloc; // Minimum extra paragraphs needed
- uint16_t maxalloc; // Maximum extra paragraphs needed
- uint16_t ss; // Initial (relative) SS value
- uint16_t sp; // Initial SP value
- uint16_t csum; // Checksum
- uint16_t ip; // Initial IP value
- uint16_t cs; // Initial (relative) CS value
- uint16_t lfa_rlc; // File address of relocation table
- uint16_t ov_no; // Overlay number
- uint16_t res[4]; // Reserved words
- uint16_t oem_id; // OEM identifier (for e_oeminfo)
- uint16_t oem_info; // OEM information; e_oemid specific
- uint16_t res2[10]; // Reserved words
- uint32_t new_hdr_offset;
-
- uint16_t stub[0x20];
-};
-
-struct pe32_nt_header
-{
- /* This is always PE\0\0. */
- char signature[4];
-
- /* The COFF file header. */
- struct pe32_coff_header coff_header;
-
- /* The Optional header. */
- struct pe32_optional_header optional_header;
-};
-
-struct pe32_base_relocation
-{
- uint32_t page_rva;
- uint32_t block_size;
-};
-
-struct pe32_fixup_block
-{
- uint32_t page_rva;
- uint32_t block_size;
- uint16_t entries[0];
-};
-
-#define PE32_FIXUP_ENTRY(type, offset) (((type) << 12) | (offset))
-
-#define PE32_REL_BASED_ABSOLUTE 0
-#define PE32_REL_BASED_HIGHLOW 3
-#define PE32_REL_BASED_IA64_IMM64 9
-#define PE32_REL_BASED_DIR64 10
-
-#define PE32_DEBUG_TYPE_CODEVIEW 2
-struct pe32_debug_directory_entry {
- uint32_t characteristics;
- uint32_t time;
- uint16_t major_version;
- uint16_t minor_version;
- uint32_t type;
- uint32_t data_size;
- uint32_t rva;
- uint32_t file_offset;
-};
-
-#define PE32_CODEVIEW_SIGNATURE_NB10 0x3031424E // "NB10"
-struct pe32_debug_codeview_nb10_entry {
- uint32_t signature; // "NB10"
- uint32_t unknown[3];
- char filename[0]; /* Filename of .PDB */
-};
-
-
-#if 1
-#define pe32_check(name, x) extern char pe32_check_##name [x ? 1 : -1]
-#ifdef USE_PE32PLUS
-#define PE32_HEADER_SIZE 112
-#else
-#define PE32_HEADER_SIZE 96
-#endif
-
-pe32_check(optional_header, sizeof (struct pe32_optional_header) == PE32_HEADER_SIZE + PE32_NUM_DATA_DIRECTORIES * 8);
-#endif
-
projects / grub2.git / commitdiff