From 5452733f3505fcd1135c3705a9565365be60bfd5 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Sun, 8 May 2011 12:39:08 +0200 Subject: [PATCH] more or less functional ia64 grub-mkimage --- Makefile.util.def | 1 + grub-core/Makefile.core.def | 1 + grub-core/kern/dl.c | 2 + grub-core/kern/ia64/dl.c | 66 ++----- include/grub/dl.h | 12 +- util/grub-mkimage.c | 29 ++- util/grub-mkimagexx.c | 345 +++++++++++++++++++++++++++++++++--- 7 files changed, 358 insertions(+), 98 deletions(-) diff --git a/Makefile.util.def b/Makefile.util.def index c37cac965..df3b14138 100644 --- a/Makefile.util.def +++ b/Makefile.util.def @@ -98,6 +98,7 @@ library = { common = grub-core/script/main.c; common = grub-core/script/script.c; common = grub-core/script/argv.c; + common = grub-core/kern/ia64/dl_helper.c; }; program = { diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def index c21c38763..7bb51adfe 100644 --- a/grub-core/Makefile.core.def +++ b/grub-core/Makefile.core.def @@ -128,6 +128,7 @@ kernel = { ia64_efi = kern/ia64/efi/startup.S; ia64_efi = kern/ia64/efi/init.c; ia64_efi = kern/ia64/dl.c; + ia64_efi = kern/ia64/dl_helper.c; i386_pc = kern/i386/pc/init.c; i386_pc = kern/i386/pc/mmap.c; diff --git a/grub-core/kern/dl.c b/grub-core/kern/dl.c index f871b81a1..aa15cfa24 100644 --- a/grub-core/kern/dl.c +++ b/grub-core/kern/dl.c @@ -247,6 +247,8 @@ grub_dl_load_segments (grub_dl_t mod, const Elf_Ehdr *e) #ifdef __ia64__ grub_arch_dl_get_tramp_got_size (e, &tramp, &got); + tramp *= GRUB_IA64_DL_TRAMP_SIZE; + got *= sizeof (grub_uint64_t); tsize += ALIGN_UP (tramp, GRUB_ARCH_DL_TRAMP_ALIGN); if (talign < GRUB_ARCH_DL_TRAMP_ALIGN) talign = GRUB_ARCH_DL_TRAMP_ALIGN; diff --git a/grub-core/kern/ia64/dl.c b/grub-core/kern/ia64/dl.c index 9bbebcd2f..0d1e0d2e6 100644 --- a/grub-core/kern/ia64/dl.c +++ b/grub-core/kern/ia64/dl.c @@ -54,15 +54,18 @@ add_value_to_slot_20b (grub_addr_t addr, grub_uint32_t value) { case 0: p = (struct unaligned_uint32 *) ((addr & ~3ULL) + 2); - p->val = (((((p->val >> 2) & MASK20) + value) & MASK20) << 2) | (p->val & ~(MASK20 << 2)); + p->val = ((((((p->val >> 2) & MASK20) + value) & MASK20) << 2) + | (p->val & ~(MASK20 << 2))); break; case 1: p = (struct unaligned_uint32 *) ((grub_uint8_t *) (addr & ~3ULL) + 7); - p->val = (((((p->val >> 3) & MASK20) + value) & MASK20) << 3) | (p->val & ~(MASK20 << 3)); + p->val = ((((((p->val >> 3) & MASK20) + value) & MASK20) << 3) + | (p->val & ~(MASK20 << 3))); break; case 2: p = (struct unaligned_uint32 *) ((grub_uint8_t *) (addr & ~3ULL) + 12); - p->val = (((((p->val >> 4) & MASK20) + value) & MASK20) << 4) | (p->val & ~(MASK20 << 4)); + p->val = ((((((p->val >> 4) & MASK20) + value) & MASK20) << 4) + | (p->val & ~(MASK20 << 4))); break; } } @@ -137,6 +140,8 @@ struct ia64_trampoline static void make_trampoline (struct ia64_trampoline *tr, grub_uint64_t addr) { + COMPILE_TIME_ASSERT (sizeof (struct ia64_trampoline) + == GRUB_IA64_DL_TRAMP_SIZE); grub_memcpy (tr->nop, nopm, sizeof (tr->nop)); tr->addr_hi[0] = ((addr & 0xc00000) >> 16); tr->addr_hi[1] = (addr >> 24) & 0xff; @@ -146,60 +151,13 @@ make_trampoline (struct ia64_trampoline *tr, grub_uint64_t addr) tr->addr_hi[5] = (addr >> 56) & 0xff; tr->e0 = 0xe0; tr->addr_lo[0] = ((addr & 0x000f) << 4) | 0x01; - tr->addr_lo[1] = ((addr & 0x0070) >> 4) | ((addr & 0x070000) >> 11) | ((addr & 0x200000) >> 17); + tr->addr_lo[1] = (((addr & 0x0070) >> 4) | ((addr & 0x070000) >> 11) + | ((addr & 0x200000) >> 17)); tr->addr_lo[2] = ((addr & 0x1f80) >> 5) | ((addr & 0x180000) >> 19); tr->addr_lo[3] = ((addr & 0xe000) >> 13) | 0x60; grub_memcpy (tr->jump, jump, sizeof (tr->jump)); } -void -grub_arch_dl_get_tramp_got_size (const void *ehdr, grub_size_t *tramp, grub_size_t *got) -{ - const Elf_Ehdr *e = ehdr; - grub_size_t cntt = 0, cntg = 0;; - const Elf_Shdr *s; - Elf_Word entsize; - unsigned i; - - /* Find a symbol table. */ - for (i = 0, s = (Elf_Shdr *) ((char *) e + e->e_shoff); - i < e->e_shnum; - i++, s = (Elf_Shdr *) ((char *) s + e->e_shentsize)) - if (s->sh_type == SHT_SYMTAB) - break; - - if (i == e->e_shnum) - return; - - entsize = s->sh_entsize; - - for (i = 0, s = (Elf_Shdr *) ((char *) e + e->e_shoff); - i < e->e_shnum; - i++, s = (Elf_Shdr *) ((char *) s + e->e_shentsize)) - if (s->sh_type == SHT_RELA) - { - Elf_Rela *rel, *max; - - for (rel = (Elf_Rela *) ((char *) e + s->sh_offset), - max = rel + s->sh_size / s->sh_entsize; - rel < max; rel++) - switch (ELF_R_TYPE (rel->r_info)) - { - case R_IA64_PCREL21B: - cntt++; - break; - case R_IA64_LTOFF_FPTR22: - case R_IA64_LTOFF22X: - case R_IA64_LTOFF22: - cntg++; - break; - } - } - *tramp = cntt * sizeof (struct ia64_trampoline); - *got = cntg * sizeof (grub_uint64_t); -} - - /* Relocate symbols. */ grub_err_t grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) @@ -279,7 +237,7 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) } break; case R_IA64_SEGREL64LSB: - *(grub_uint64_t *) addr += value - rel->r_offset; + *(grub_uint64_t *) addr += value - (grub_addr_t) seg->addr; break; case R_IA64_FPTR64LSB: case R_IA64_DIR64LSB: @@ -296,8 +254,6 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) case R_IA64_LTOFF22X: case R_IA64_LTOFF22: *gpptr = value; - if ((addr & 0xffff) == 0x4301) - grub_dprintf ("modules", "off = %lx\n", (grub_addr_t) gpptr - (grub_addr_t) gp); add_value_to_slot_21 (addr, (grub_addr_t) gpptr - (grub_addr_t) gp); gpptr++; break; diff --git a/include/grub/dl.h b/include/grub/dl.h index b45928a76..6646902d4 100644 --- a/include/grub/dl.h +++ b/include/grub/dl.h @@ -126,12 +126,18 @@ grub_err_t grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr); void grub_arch_dl_init_linker (void); #endif -#ifdef __ia64__ -void grub_arch_dl_get_tramp_got_size (const void *ehdr, grub_size_t *tramp, grub_size_t *got); +#define GRUB_IA64_DL_TRAMP_ALIGN 16 +#define GRUB_IA64_DL_TRAMP_SIZE 48 +#define GRUB_IA64_DL_GOT_ALIGN 16 +void +grub_ia64_dl_get_tramp_got_size (const void *ehdr, grub_size_t *tramp, + grub_size_t *got); + +#ifdef __ia64__ #define GRUB_ARCH_DL_TRAMP_ALIGN 16 #define GRUB_ARCH_DL_GOT_ALIGN 16 - +#define grub_arch_dl_get_tramp_got_size grub_ia64_dl_get_tramp_got_size #else #endif diff --git a/util/grub-mkimage.c b/util/grub-mkimage.c index 507a7a80d..9f4e2a61f 100644 --- a/util/grub-mkimage.c +++ b/util/grub-mkimage.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include @@ -89,6 +90,13 @@ struct image_target_desc grub_uint16_t pe_target; }; +#define EFI64_HEADER_SIZE ALIGN_UP (GRUB_PE32_MSDOS_STUB_SIZE \ + + GRUB_PE32_SIGNATURE_SIZE \ + + sizeof (struct grub_pe32_coff_header) \ + + sizeof (struct grub_pe64_optional_header) \ + + 4 * sizeof (struct grub_pe32_section_table), \ + GRUB_PE32_SECTION_ALIGNMENT) + struct image_target_desc image_targets[] = { { @@ -248,12 +256,7 @@ struct image_target_desc image_targets[] = .kernel_image_size = TARGET_NO_FIELD, .compressed_size = TARGET_NO_FIELD, .section_align = GRUB_PE32_SECTION_ALIGNMENT, - .vaddr_offset = ALIGN_UP (GRUB_PE32_MSDOS_STUB_SIZE - + GRUB_PE32_SIGNATURE_SIZE - + sizeof (struct grub_pe32_coff_header) - + sizeof (struct grub_pe64_optional_header) - + 4 * sizeof (struct grub_pe32_section_table), - GRUB_PE32_SECTION_ALIGNMENT), + .vaddr_offset = EFI64_HEADER_SIZE, .install_dos_part = TARGET_NO_FIELD, .install_bsd_part = TARGET_NO_FIELD, .pe_target = GRUB_PE32_MACHINE_X86_64, @@ -372,12 +375,7 @@ struct image_target_desc image_targets[] = .kernel_image_size = TARGET_NO_FIELD, .compressed_size = TARGET_NO_FIELD, .section_align = GRUB_PE32_SECTION_ALIGNMENT, - .vaddr_offset = ALIGN_UP (GRUB_PE32_MSDOS_STUB_SIZE - + GRUB_PE32_SIGNATURE_SIZE - + sizeof (struct grub_pe32_coff_header) - + sizeof (struct grub_pe64_optional_header) - + 4 * sizeof (struct grub_pe32_section_table), - GRUB_PE32_SECTION_ALIGNMENT), + .vaddr_offset = EFI64_HEADER_SIZE, .install_dos_part = TARGET_NO_FIELD, .install_bsd_part = TARGET_NO_FIELD, .pe_target = GRUB_PE32_MACHINE_IA64, @@ -930,12 +928,7 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[], + 4 * sizeof (struct grub_pe32_section_table), GRUB_PE32_SECTION_ALIGNMENT); else - header_size = ALIGN_UP (GRUB_PE32_MSDOS_STUB_SIZE - + GRUB_PE32_SIGNATURE_SIZE - + sizeof (struct grub_pe32_coff_header) - + sizeof (struct grub_pe64_optional_header) - + 4 * sizeof (struct grub_pe32_section_table), - GRUB_PE32_SECTION_ALIGNMENT); + header_size = EFI64_HEADER_SIZE; reloc_addr = ALIGN_UP (header_size + core_size, image_target->section_align); diff --git a/util/grub-mkimagexx.c b/util/grub-mkimagexx.c index 20cbacf15..6f68bf1af 100644 --- a/util/grub-mkimagexx.c +++ b/util/grub-mkimagexx.c @@ -56,6 +56,7 @@ static Elf_Addr SUFFIX (relocate_symbols) (Elf_Ehdr *e, Elf_Shdr *sections, Elf_Shdr *symtab_section, Elf_Addr *section_addresses, Elf_Half section_entsize, Elf_Half num_sections, + void *jumpers, Elf_Addr jumpers_addr, struct image_target_desc *image_target) { Elf_Word symtab_size, sym_size, num_syms; @@ -65,6 +66,7 @@ SUFFIX (relocate_symbols) (Elf_Ehdr *e, Elf_Shdr *sections, Elf_Word i; Elf_Shdr *strtab_section; const char *strtab; + grub_uint64_t *jptr = jumpers; strtab_section = (Elf_Shdr *) ((char *) sections @@ -103,6 +105,16 @@ SUFFIX (relocate_symbols) (Elf_Ehdr *e, Elf_Shdr *sections, sym->st_value = (grub_target_to_host (sym->st_value) + section_addresses[index]); + + if (image_target->elf_target == EM_IA_64 && ELF_ST_TYPE (sym->st_info) + == STT_FUNC) + { + *jptr = sym->st_value; + sym->st_value = (char *) jptr - (char *) jumpers + jumpers_addr; + jptr++; + *jptr = 0; + jptr++; + } grub_util_info ("locating %s at 0x%x", name, sym->st_value, section_addresses[index]); if (! start_address) @@ -134,6 +146,152 @@ SUFFIX (get_target_address) (Elf_Ehdr *e, Elf_Shdr *s, Elf_Addr offset, return (Elf_Addr *) ((char *) e + grub_target_to_host32 (s->sh_offset) + offset); } +static Elf_Addr +SUFFIX (count_funcs) (Elf_Ehdr *e, Elf_Shdr *symtab_section, + struct image_target_desc *image_target) +{ + Elf_Word symtab_size, sym_size, num_syms; + Elf_Off symtab_offset; + Elf_Addr start_address = 0; + Elf_Sym *sym; + Elf_Word i; + int ret = 0; + + symtab_size = grub_target_to_host (symtab_section->sh_size); + sym_size = grub_target_to_host (symtab_section->sh_entsize); + symtab_offset = grub_target_to_host (symtab_section->sh_offset); + num_syms = symtab_size / sym_size; + + for (i = 0, sym = (Elf_Sym *) ((char *) e + symtab_offset); + i < num_syms; + i++, sym = (Elf_Sym *) ((char *) sym + sym_size)) + if (ELF_ST_TYPE (sym->st_info) == STT_FUNC) + ret++; + + return ret; +} + +#ifdef MKIMAGE_ELF64 +struct unaligned_uint32 +{ + grub_uint32_t val; +} __attribute__ ((packed)); + +#define MASK20 ((1 << 20) - 1) +#define MASK19 ((1 << 19) - 1) + +static void +add_value_to_slot_20b (grub_addr_t addr, grub_uint32_t value) +{ + struct unaligned_uint32 *p; + switch (addr & 3) + { + case 0: + p = (struct unaligned_uint32 *) ((addr & ~3ULL) + 2); + p->val = ((((((p->val >> 2) & MASK20) + value) & MASK20) << 2) + | (p->val & ~(MASK20 << 2))); + break; + case 1: + p = (struct unaligned_uint32 *) ((grub_uint8_t *) (addr & ~3ULL) + 7); + p->val = ((((((p->val >> 3) & MASK20) + value) & MASK20) << 3) + | (p->val & ~(MASK20 << 3))); + break; + case 2: + p = (struct unaligned_uint32 *) ((grub_uint8_t *) (addr & ~3ULL) + 12); + p->val = ((((((p->val >> 4) & MASK20) + value) & MASK20) << 4) + | (p->val & ~(MASK20 << 4))); + break; + } +} + +#define MASKF21 ( ((1 << 23) - 1) & ~((1 << 7) | (1 << 8)) ) + +static grub_uint32_t +add_value_to_slot_21_real (grub_uint32_t a, grub_uint32_t value) +{ + grub_uint32_t high, mid, low, c; + low = (a & 0x00007f); + mid = (a & 0x7fc000) >> 7; + high = (a & 0x003e00) << 7; + c = (low | mid | high) + value; + return (c & 0x7f) | ((c << 7) & 0x7fc000) | ((c >> 7) & 0x0003e00); //0x003e00 +} + +static void +add_value_to_slot_21 (grub_addr_t addr, grub_uint32_t value) +{ + struct unaligned_uint32 *p; + switch (addr & 3) + { + case 0: + p = (struct unaligned_uint32 *) ((addr & ~3ULL) + 2); + p->val = ((add_value_to_slot_21_real (((p->val >> 2) & MASKF21), value) & MASKF21) << 2) | (p->val & ~(MASKF21 << 2)); + break; + case 1: + p = (struct unaligned_uint32 *) ((grub_uint8_t *) (addr & ~3ULL) + 7); + p->val = ((add_value_to_slot_21_real (((p->val >> 3) & MASKF21), value) & MASKF21) << 3) | (p->val & ~(MASKF21 << 3)); + break; + case 2: + p = (struct unaligned_uint32 *) ((grub_uint8_t *) (addr & ~3ULL) + 12); + p->val = ((add_value_to_slot_21_real (((p->val >> 4) & MASKF21), value) & MASKF21) << 4) | (p->val & ~(MASKF21 << 4)); + break; + } +} + + +struct ia64_kernel_trampoline +{ + /* nop.m */ + grub_uint8_t nop[5]; + /* movl r15 = addr*/ + grub_uint8_t addr_hi[6]; + grub_uint8_t e0; + grub_uint8_t addr_lo[4]; + grub_uint8_t jump[0x20]; +}; + +static grub_uint8_t nopm[5] = + { + /* [MLX] nop.m 0x0 */ + 0x05, 0x00, 0x00, 0x00, 0x01 + }; + +static grub_uint8_t jump[0x20] = + { + /* [MMI] add r15=r15,r1;; */ + 0x0b, 0x78, 0x3c, 0x02, 0x00, 0x20, + /* ld8 r16=[r15],8 */ + 0x00, 0x41, 0x3c, 0x30, 0x28, 0xc0, + /* mov r14=r1;; */ + 0x01, 0x08, 0x00, 0x84, + /* [MIB] ld8 r1=[r15] */ + 0x11, 0x08, 0x00, 0x1e, 0x18, 0x10, + /* mov b6=r16 */ + 0x60, 0x80, 0x04, 0x80, 0x03, 0x00, + /* br.few b6;; */ + 0x60, 0x00, 0x80, 0x00 + }; + +static void +make_trampoline (struct ia64_kernel_trampoline *tr, grub_uint64_t addr) +{ + grub_memcpy (tr->nop, nopm, sizeof (tr->nop)); + tr->addr_hi[0] = ((addr & 0xc00000) >> 16); + tr->addr_hi[1] = (addr >> 24) & 0xff; + tr->addr_hi[2] = (addr >> 32) & 0xff; + tr->addr_hi[3] = (addr >> 40) & 0xff; + tr->addr_hi[4] = (addr >> 48) & 0xff; + tr->addr_hi[5] = (addr >> 56) & 0xff; + tr->e0 = 0xe0; + tr->addr_lo[0] = ((addr & 0x000f) << 4) | 0x01; + tr->addr_lo[1] = (((addr & 0x0070) >> 4) | ((addr & 0x070000) >> 11) + | ((addr & 0x200000) >> 17)); + tr->addr_lo[2] = ((addr & 0x1f80) >> 5) | ((addr & 0x180000) >> 19); + tr->addr_lo[3] = ((addr & 0xe000) >> 13) | 0x60; + grub_memcpy (tr->jump, jump, sizeof (tr->jump)); +} +#endif + /* Deal with relocation information. This function relocates addresses within the virtual address space starting from 0. So only relative addresses can be fully resolved. Absolute addresses must be relocated @@ -142,10 +300,15 @@ static void SUFFIX (relocate_addresses) (Elf_Ehdr *e, Elf_Shdr *sections, Elf_Addr *section_addresses, Elf_Half section_entsize, Elf_Half num_sections, - const char *strtab, struct image_target_desc *image_target) + const char *strtab, + char *pe_target, Elf_Addr tramp_off, + Elf_Addr got_off, + struct image_target_desc *image_target) { Elf_Half i; Elf_Shdr *s; + struct ia64_kernel_trampoline *tr = (void *) (pe_target + tramp_off); + grub_uint64_t *gpptr = (void *) (pe_target + got_off); for (i = 0, s = sections; i < num_sections; @@ -274,15 +437,69 @@ SUFFIX (relocate_addresses) (Elf_Ehdr *e, Elf_Shdr *sections, break; } break; +#ifdef MKIMAGE_ELF64 case EM_IA_64: switch (ELF_R_TYPE (info)) { + case R_IA64_PCREL21B: + { + grub_uint64_t noff; + make_trampoline (tr, addend + sym_addr); + noff = ((char *) tr - (char *) pe_target + - target_section_addr - (offset & ~3) + - image_target->vaddr_offset) >> 4; + tr++; + if (noff & ~MASK19) + grub_util_error ("trampoline offset too big (%lx)", + noff); + add_value_to_slot_20b ((grub_addr_t) target, noff); + } + break; + + case R_IA64_LTOFF_FPTR22: + case R_IA64_LTOFF22X: + case R_IA64_LTOFF22: + *gpptr = grub_host_to_target64 (addend + sym_addr); + add_value_to_slot_21 ((grub_addr_t) target, + (char *) gpptr - (char *) pe_target); + gpptr++; + break; + + case R_IA64_GPREL22: + add_value_to_slot_21 ((grub_addr_t) target, + addend + sym_addr); + break; + case R_IA64_PCREL64LSB: + *target = grub_host_to_target64 (grub_target_to_host64 (*target) + + addend + sym_addr + - target_section_addr - offset + - image_target->vaddr_offset); + break; + + case R_IA64_SEGREL64LSB: + *target = grub_host_to_target64 (grub_target_to_host64 (*target) + + addend + sym_addr - target_section_addr); + break; + case R_IA64_DIR64LSB: + case R_IA64_FPTR64LSB: + *target = grub_host_to_target64 (grub_target_to_host64 (*target) + + addend + sym_addr); + grub_util_info ("relocating a direct entry to 0x%" + PRIxGRUB_UINT64_T " at the offset 0x%x", + *target, offset); + break; + + /* We treat LTOFF22X as LTOFF22, so we can ignore LDXMOV. */ + case R_IA64_LDXMOV: + break; + default: grub_util_error ("unknown relocation type 0x%x", - ELF_R_TYPE (info)); + ELF_R_TYPE (info)); break; } break; +#endif default: grub_util_error ("unknown architecture type %d", image_target->elf_target); @@ -329,7 +546,7 @@ SUFFIX (add_fixup_entry) (struct fixup_block_list **cblock, grub_uint16_t type, b->block_size += 2; } } - else if (b->block_size & (8 - 1)) + else while (b->block_size & (8 - 1)) { /* If not aligned with a 32-bit boundary, add a padding entry. */ @@ -391,9 +608,11 @@ static Elf_Addr SUFFIX (make_reloc_section) (Elf_Ehdr *e, void **out, Elf_Addr *section_addresses, Elf_Shdr *sections, Elf_Half section_entsize, Elf_Half num_sections, - const char *strtab, struct image_target_desc *image_target) + const char *strtab, + Elf_Addr jumpers, grub_size_t njumpers, + struct image_target_desc *image_target) { - Elf_Half i; + unsigned i; Elf_Shdr *s; struct fixup_block_list *lst, *lst0; Elf_Addr current_address = 0; @@ -401,8 +620,7 @@ SUFFIX (make_reloc_section) (Elf_Ehdr *e, void **out, lst = lst0 = xmalloc (sizeof (*lst) + 2 * 0x1000); memset (lst, 0, sizeof (*lst) + 2 * 0x1000); - for (i = 0, s = sections; - i < num_sections; + for (i = 0, s = sections; i < num_sections; i++, s = (Elf_Shdr *) ((char *) s + section_entsize)) if ((s->sh_type == grub_cpu_to_le32 (SHT_REL)) || (s->sh_type == grub_cpu_to_le32 (SHT_RELA))) @@ -470,12 +688,56 @@ SUFFIX (make_reloc_section) (Elf_Ehdr *e, void **out, image_target); } break; + case EM_IA_64: + switch (ELF_R_TYPE (info)) + { + case R_IA64_PCREL64LSB: + case R_IA64_LDXMOV: + case R_IA64_PCREL21B: + case R_IA64_LTOFF_FPTR22: + case R_IA64_LTOFF22X: + case R_IA64_LTOFF22: + case R_IA64_GPREL22: + case R_IA64_SEGREL64LSB: + break; + + case R_IA64_FPTR64LSB: + case R_IA64_DIR64LSB: +#if 1 + { + Elf_Addr addr; + + addr = section_address + offset; + grub_util_info ("adding a relocation entry for 0x%llx", addr); + current_address + = SUFFIX (add_fixup_entry) (&lst, + GRUB_PE32_REL_BASED_DIR64, + addr, + 0, current_address, + image_target); + } +#endif + break; + default: + grub_util_error ("unknown relocation type 0x%x", + ELF_R_TYPE (info)); + break; + } + break; default: grub_util_error ("unknown machine type 0x%x", image_target->elf_target); } } } + if (image_target->elf_target == EM_IA_64) + for (i = 0; i < njumpers; i++) + current_address = SUFFIX (add_fixup_entry) (&lst, + GRUB_PE32_REL_BASED_DIR64, + jumpers + 8 * i, + 0, current_address, + image_target); + current_address = SUFFIX (add_fixup_entry) (&lst, 0, 0, 1, current_address, image_target); { @@ -637,7 +899,10 @@ SUFFIX (load_image) (const char *kernel_path, grub_size_t *exec_size, Elf_Off section_offset; Elf_Half section_entsize; grub_size_t kernel_size; + grub_size_t ia64jmp_off = 0, ia64_toff = 0, ia64_got_off = 0; + unsigned ia64jmpnum = 0; Elf_Shdr *symtab_section; + grub_size_t got = 0; *start = 0; @@ -716,23 +981,31 @@ SUFFIX (load_image) (const char *kernel_path, grub_size_t *exec_size, break; } +#ifdef MKIMAGE_ELF64 + if (image_target->elf_target == EM_IA_64) + { + grub_size_t tramp; + + *kernel_sz = ALIGN_UP (*kernel_sz, 16); + + grub_ia64_dl_get_tramp_got_size (e, &tramp, &got); + tramp *= sizeof (struct ia64_kernel_trampoline); + + ia64_toff = *kernel_sz; + *kernel_sz += ALIGN_UP (tramp, 16); + + ia64jmp_off = *kernel_sz; + ia64jmpnum = SUFFIX (count_funcs) (e, symtab_section, + image_target); + *kernel_sz += 16 * ia64jmpnum; + + ia64_got_off = *kernel_sz; + *kernel_sz += ALIGN_UP (got * sizeof (grub_uint64_t), 16); + } +#endif + if (! symtab_section) grub_util_error ("no symbol table"); - - *start = SUFFIX (relocate_symbols) (e, sections, symtab_section, - section_vaddresses, section_entsize, - num_sections, image_target); - if (*start == 0) - grub_util_error ("start symbol is not defined"); - - /* Resolve addresses in the virtual address space. */ - SUFFIX (relocate_addresses) (e, sections, section_addresses, section_entsize, - num_sections, strtab, image_target); - - *reloc_size = SUFFIX (make_reloc_section) (e, reloc_section, - section_vaddresses, sections, - section_entsize, num_sections, - strtab, image_target); } else { @@ -742,6 +1015,34 @@ SUFFIX (load_image) (const char *kernel_path, grub_size_t *exec_size, out_img = xmalloc (*kernel_sz + total_module_size); + if (image_target->id == IMAGE_EFI) + { + *start = SUFFIX (relocate_symbols) (e, sections, symtab_section, + section_vaddresses, section_entsize, + num_sections, + (char *) out_img + ia64jmp_off, + ia64jmp_off + + image_target->vaddr_offset, + image_target); + if (*start == 0) + grub_util_error ("start symbol is not defined"); + + /* Resolve addresses in the virtual address space. */ + SUFFIX (relocate_addresses) (e, sections, section_addresses, + section_entsize, + num_sections, strtab, + out_img, ia64_toff, ia64_got_off, + image_target); + + *reloc_size = SUFFIX (make_reloc_section) (e, reloc_section, + section_vaddresses, sections, + section_entsize, num_sections, + strtab, ia64jmp_off + + image_target->vaddr_offset, + 2 * ia64jmpnum + got, + image_target); + } + for (i = 0, s = sections; i < num_sections; i++, s = (Elf_Shdr *) ((char *) s + section_entsize))