grub_err_t SUFFIX (grub_freebsd_load_elfmodule_obj) (struct grub_relocator *relocator, grub_file_t file, int argc, char *argv[], grub_addr_t *kern_end) { Elf_Ehdr e; Elf_Shdr *s; char *shdr = 0; grub_addr_t curload, module; grub_err_t err; grub_size_t chunk_size = 0; void *chunk_src; err = read_headers (file, &e, &shdr); if (err) return err; curload = module = ALIGN_PAGE (*kern_end); for (s = (Elf_Shdr *) shdr; s < (Elf_Shdr *) ((char *) shdr + e.e_shnum * e.e_shentsize); s = (Elf_Shdr *) ((char *) s + e.e_shentsize)) { if (s->sh_size == 0) continue; if (s->sh_addralign) chunk_size = ALIGN_UP (chunk_size + *kern_end, s->sh_addralign) - *kern_end; chunk_size += s->sh_size; } { grub_relocator_chunk_t ch; err = grub_relocator_alloc_chunk_addr (relocator, &ch, module, chunk_size); if (err) return err; chunk_src = get_virtual_current_address (ch); } for (s = (Elf_Shdr *) shdr; s < (Elf_Shdr *) ((char *) shdr + e.e_shnum * e.e_shentsize); s = (Elf_Shdr *) ((char *) s + e.e_shentsize)) { if (s->sh_size == 0) continue; if (s->sh_addralign) curload = ALIGN_UP (curload, s->sh_addralign); s->sh_addr = curload; grub_dprintf ("bsd", "loading section to %x, size %d, align %d\n", (unsigned) curload, (int) s->sh_size, (int) s->sh_addralign); switch (s->sh_type) { default: case SHT_PROGBITS: err = load (file, (grub_uint8_t *) chunk_src + curload - *kern_end, s->sh_offset, s->sh_size); if (err) return err; break; case SHT_NOBITS: grub_memset ((grub_uint8_t *) chunk_src + curload - *kern_end, 0, s->sh_size); break; } curload += s->sh_size; } *kern_end = ALIGN_PAGE (curload); err = grub_freebsd_add_meta_module (argv[0], FREEBSD_MODTYPE_ELF_MODULE_OBJ, argc - 1, argv + 1, module, curload - module); if (! err) err = grub_bsd_add_meta (FREEBSD_MODINFO_METADATA | FREEBSD_MODINFOMD_ELFHDR, &e, sizeof (e)); if (! err) err = grub_bsd_add_meta (FREEBSD_MODINFO_METADATA | FREEBSD_MODINFOMD_SHDR, shdr, e.e_shnum * e.e_shentsize); return err; }
grub_err_t SUFFIX (grub_freebsd_load_elfmodule_obj) (grub_file_t file, int argc, char *argv[], grub_addr_t *kern_end) { Elf_Ehdr e; Elf_Shdr *s; char *shdr; grub_addr_t curload, module; grub_err_t err; err = read_headers (file, &e, &shdr); if (err) return err; curload = module = ALIGN_PAGE (*kern_end); for (s = (Elf_Shdr *) shdr; s < (Elf_Shdr *) ((char *) shdr + e.e_shnum * e.e_shentsize); s = (Elf_Shdr *) ((char *) s + e.e_shentsize)) { if (s->sh_size == 0) continue; if (s->sh_addralign) curload = ALIGN_UP (curload, s->sh_addralign); s->sh_addr = curload; grub_dprintf ("bsd", "loading section to %x, size %d, align %d\n", (unsigned) curload, (int) s->sh_size, (int) s->sh_addralign); switch (s->sh_type) { default: case SHT_PROGBITS: err = load (file, UINT_TO_PTR (curload), s->sh_offset, s->sh_size); if (err) return err; break; case SHT_NOBITS: if (curload + s->sh_size > grub_os_area_addr + grub_os_area_size) return grub_error (GRUB_ERR_OUT_OF_RANGE, "not enough memory for the module"); grub_memset (UINT_TO_PTR (curload), 0, s->sh_size); break; } curload += s->sh_size; } *kern_end = ALIGN_PAGE (curload); err = grub_freebsd_add_meta_module (argv[0], FREEBSD_MODTYPE_ELF_MODULE_OBJ, argc - 1, argv + 1, module, curload - module); if (! err) err = grub_freebsd_add_meta (FREEBSD_MODINFO_METADATA | FREEBSD_MODINFOMD_ELFHDR, &e, sizeof (e)); if (! err) err = grub_freebsd_add_meta (FREEBSD_MODINFO_METADATA | FREEBSD_MODINFOMD_SHDR, shdr, e.e_shnum * e.e_shentsize); return err; }
grub_err_t SUFFIX (grub_freebsd_load_elfmodule) (struct grub_relocator *relocator, grub_file_t file, int argc, char *argv[], grub_addr_t *kern_end) { Elf_Ehdr e; Elf_Shdr *s; char *shdr = 0; grub_addr_t curload, module; grub_err_t err; grub_size_t chunk_size = 0; void *chunk_src; err = read_headers (file, &e, &shdr); if (err) return err; curload = module = ALIGN_PAGE (*kern_end); for (s = (Elf_Shdr *) shdr; s < (Elf_Shdr *) ((char *) shdr + e.e_shnum * e.e_shentsize); s = (Elf_Shdr *) ((char *) s + e.e_shentsize)) { if (s->sh_size == 0) continue; if (! (s->sh_flags & SHF_ALLOC)) continue; if (chunk_size < s->sh_addr + s->sh_size) chunk_size = s->sh_addr + s->sh_size; } if (chunk_size < sizeof (e)) chunk_size = sizeof (e); chunk_size += e.e_phnum * e.e_phentsize; chunk_size += e.e_shnum * e.e_shentsize; { grub_relocator_chunk_t ch; err = grub_relocator_alloc_chunk_addr (relocator, &ch, module, chunk_size); if (err) return err; chunk_src = get_virtual_current_address (ch); } for (s = (Elf_Shdr *) shdr; s < (Elf_Shdr *) ((char *) shdr + e.e_shnum * e.e_shentsize); s = (Elf_Shdr *) ((char *) s + e.e_shentsize)) { if (s->sh_size == 0) continue; if (! (s->sh_flags & SHF_ALLOC)) continue; grub_dprintf ("bsd", "loading section to %x, size %d, align %d\n", (unsigned) curload, (int) s->sh_size, (int) s->sh_addralign); switch (s->sh_type) { default: case SHT_PROGBITS: err = load (file, (grub_uint8_t *) chunk_src + module + s->sh_addr - *kern_end, s->sh_offset, s->sh_size); if (err) return err; break; case SHT_NOBITS: grub_memset ((grub_uint8_t *) chunk_src + module + s->sh_addr - *kern_end, 0, s->sh_size); break; } if (curload < module + s->sh_addr + s->sh_size) curload = module + s->sh_addr + s->sh_size; } load (file, UINT_TO_PTR (module), 0, sizeof (e)); if (curload < module + sizeof (e)) curload = module + sizeof (e); load (file, UINT_TO_PTR (curload), e.e_shoff, e.e_shnum * e.e_shentsize); e.e_shoff = curload - module; curload += e.e_shnum * e.e_shentsize; load (file, UINT_TO_PTR (curload), e.e_phoff, e.e_phnum * e.e_phentsize); e.e_phoff = curload - module; curload += e.e_phnum * e.e_phentsize; *kern_end = curload; grub_freebsd_add_meta_module (argv[0], FREEBSD_MODTYPE_ELF_MODULE, argc - 1, argv + 1, module, curload - module); return SUFFIX (grub_freebsd_load_elf_meta) (relocator, file, kern_end); }
grub_err_t SUFFIX (grub_freebsd_load_elfmodule) (grub_file_t file, int argc, char *argv[], grub_addr_t *kern_end) { Elf_Ehdr e; Elf_Shdr *s; char *shdr; grub_addr_t curload, module; grub_err_t err; err = read_headers (file, &e, &shdr); if (err) return err; curload = module = ALIGN_PAGE (*kern_end); for (s = (Elf_Shdr *) shdr; s < (Elf_Shdr *) ((char *) shdr + e.e_shnum * e.e_shentsize); s = (Elf_Shdr *) ((char *) s + e.e_shentsize)) { if (s->sh_size == 0) continue; if (! (s->sh_flags & SHF_ALLOC)) continue; grub_dprintf ("bsd", "loading section to %x, size %d, align %d\n", (unsigned) curload, (int) s->sh_size, (int) s->sh_addralign); switch (s->sh_type) { default: case SHT_PROGBITS: err = load (file, UINT_TO_PTR (module + s->sh_addr), s->sh_offset, s->sh_size); if (err) return err; break; case SHT_NOBITS: if (module + s->sh_addr + s->sh_size > grub_os_area_addr + grub_os_area_size) return grub_error (GRUB_ERR_OUT_OF_RANGE, "not enough memory for the module"); grub_memset (UINT_TO_PTR (module + s->sh_addr), 0, s->sh_size); break; } if (curload < module + s->sh_addr + s->sh_size) curload = module + s->sh_addr + s->sh_size; } load (file, UINT_TO_PTR (module), 0, sizeof (e)); if (curload < module + sizeof (e)) curload = module + sizeof (e); load (file, UINT_TO_PTR (curload), e.e_shoff, e.e_shnum * e.e_shentsize); e.e_shoff = curload - module; curload += e.e_shnum * e.e_shentsize; load (file, UINT_TO_PTR (curload), e.e_phoff, e.e_phnum * e.e_phentsize); e.e_phoff = curload - module; curload += e.e_phnum * e.e_phentsize; *kern_end = curload; grub_freebsd_add_meta_module (argv[0], FREEBSD_MODTYPE_ELF_MODULE, argc - 1, argv + 1, module, curload - module); return SUFFIX (grub_freebsd_load_elf_meta) (file, kern_end); }