IA64 support.

* Makefile.util.def (libgrubmods.a): Add grub-core/kern/ia64/dl_helper.c
	* configure.ac: Add ia64-efi target.
	Probe for __ia64_trampoline, __udivsi3, __umoddi3, __udivdi3,
	__divsi3, __modsi3, __umodsi3, __moddi3 and __divdi3 symbols.
	* gentpl.py: Add ia64_efi platform.
	Rename x86_efi to efi and Add ia64-efi. All users updated.
	* grub-core/Makefile.am: Set KERNEL_HEADER_FILES for ia64-efi.
	* grub-core/Makefile.core.def (kernel.img): Add compile flags for ia64.
	Remove kern/generic/rtc_get_time_ms.c on EFI.
	Add kern/ia64/efi/startup.S, kern/ia64/efi/init.c, kern/ia64/dl.c,
	kern/ia64/dl_helper.c on ia64-efi.
	Add kern/emu/cache.c on emu.
	(linux): Use on loader/ia64/efi/linux.c on ia64.
	* grub-core/gensymlist.sh (grub_register_exported_symbols): Check
	whether symbol is a function.
	* grub-core/kern/dl.c [GRUB_MACHINE_EMU]: Include sys/mman.h.
	(grub_symbol): New field 'isfunc'.
	(grub_dl_resolve_symbol): Return whole symbol rather than just address.
	(grub_dl_register_symbol): New argument 'isfunc'. All users updated.
	(grub_dl_load_segments): Place all sections into the same region.
	[__ia64__]: Create trampolines and got.
	[GRUB_MACHINE_EMU]: Call mprotect.
	(grub_dl_resolve_symbols): Resolve symbol type as well.
	[__ia64__]: Create function descriptors.
	* grub-core/kern/efi/efi.c (grub_get_rtc): Renamed to ...
	(grub_rtc_get_time_ms): ... this. Expressions simplified.
	(grub_get_rtc): New function.
	* grub-core/kern/emu/cache.c [__ia64__]: New file.
	* grub-core/kern/emu/cache.S: Renamed to ...
	* grub-core/kern/emu/cache_s.S: ... this.
	[__ia64__]: Add a nop.
	* grub-core/kern/emu/full.c (grub_arch_dl_get_tramp_got_size)
	[__ia64__]: New function.
	* grub-core/kern/emu/lite.c [__ia64__]: Include ../ia64/dl.c.
	* grub-core/kern/ia64/dl.c: New file.
	* grub-core/kern/ia64/dl_helper.c: Likewise.
	* grub-core/kern/ia64/efi/init.c: New file.
	* grub-core/kern/ia64/efi/startup.S: Likewise.
	* grub-core/lib/efi/halt.c [__ia64__]: Don't try acpi.
	* grub-core/lib/ia64/longjmp.S: New file (from glibc).
	* grub-core/lib/ia64/setjmp.S: Likewise (from glibc).
	* grub-core/lib/setjmp.S [__ia64__]: Include ./ia64/setjmp.S.
	* grub-core/loader/ia64/efi/linux.c: New file.
	* include/grub/dl.h (GRUB_MOD_NAME): Redefined using C rather than asm.
	(GRUB_MOD_DEP): Likewise.
	(grub_dl) [__ia64__]: New fields got and tramp.
	(grub_dl): New field 'base'.
	(grub_dl_register_symbol): New argument isfunc. All users updated.
	(GRUB_IA64_DL_TRAMP_ALIGN): New definition.
	(GRUB_IA64_DL_TRAMP_SIZE): Likewise.
	(GRUB_IA64_DL_GOT_ALIGN): Likewise.
	(grub_ia64_dl_get_tramp_got_size): New proto.
	(GRUB_ARCH_DL_TRAMP_ALIGN) [__ia64__]: Likewise
	(GRUB_ARCH_DL_GOT_ALIGN) [__ia64__]: Likewise
	(grub_arch_dl_get_tramp_got_size) [__ia64__]: Likewise
	* include/grub/efi/api.h: Skip call wrappers on ia64.
	* include/grub/efi/pe32.h (GRUB_PE32_MACHINE_IA64): New definition.
	* include/grub/efi/time.h (GRUB_TICKS_PER_SECOND): Change to 1000.
	* include/grub/elf.h (ELF_ST_INFO): New definition.
	* include/grub/ia64/efi/kernel.h: New file.
	* include/grub/ia64/efi/memory.h: Likewise.
	* include/grub/ia64/efi/time.h: Likewise.
	* include/grub/ia64/kernel.h: Likewise.
	* include/grub/ia64/setjmp.h: Likewise (from glibc).
	* include/grub/ia64/time.h: New file.
	* include/grub/ia64/types.h: Likewise.
	* include/grub/libgcc.h (__udivsi3, __umodsi3, __umoddi3, __udivdi3,
	__moddi3, __divdi3, __divsi3, __modsi3, __ia64_trampoline):
	New protos.
	* include/grub/offsets.h (GRUB_KERNEL_IA64_EFI_PREFIX): New definition.
	(GRUB_KERNEL_IA64_EFI_PREFIX_END): Likewise.
	* include/grub/types.h (PRIxGRUB_ADDR): Likewise.
	* util/grub-mkimage.c (image_target_desc): New field pe_target.
	All users updated.
	(EFI64_HEADER_SIZE): New definition. All users updated.
	(image_targets): Add ia64-efi.
	* util/grub-mkimagexx.c (relocate_symbols): New arguments jumpers and
	jumpers_addr. All users updated.
	Create function descriptors.
	(count_funcs): New function.
	(unaligned_uint32): New struct.
	(MASK20): New definition.
	(MASK19): Likewise.
	(MASKF21): Likewise.
	(add_value_to_slot_20b): New function.
	(add_value_to_slot_21_real): Likewise.
	(add_value_to_slot_21): Likewise.
	(ia64_kernel_trampoline): New struct.
	(nopm): New variable.
	(jump): Likewise.
	(make_trampoline): New function.
	(relocate_addresses): Handle ia64.
	(make_reloc_section): Likewise.
	(load_image): Likewise.

	Also-By: Robert Millan <rmh.grub@aybabtu.com>

	Also-By: Vladimir Serbinenko <phcoder@gmail.com>
This commit is contained in:
Tristan Gingold 2011-05-15 11:22:59 +02:00 committed by Vladimir 'phcoder' Serbinenko
commit 32297d5ff7
39 changed files with 2526 additions and 124 deletions

View file

@ -30,6 +30,7 @@
#include <grub/misc.h>
#include <grub/offsets.h>
#include <grub/crypto.h>
#include <grub/dl.h>
#include <time.h>
#include <stdio.h>
@ -88,8 +89,16 @@ struct image_target_desc
grub_uint64_t link_addr;
unsigned mod_gap, mod_align;
grub_compression_t default_compression;
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[] =
{
{
@ -198,6 +207,8 @@ struct image_target_desc image_targets[] =
GRUB_PE32_SECTION_ALIGNMENT),
.install_dos_part = TARGET_NO_FIELD,
.install_bsd_part = TARGET_NO_FIELD,
.pe_target = GRUB_PE32_MACHINE_I386,
.elf_target = EM_386,
},
{
.dirname = "i386-ieee1275",
@ -255,14 +266,11 @@ 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,
.elf_target = EM_X86_64,
},
{
.dirname = "mips-loongson",
@ -392,6 +400,26 @@ struct image_target_desc image_targets[] =
.install_bsd_part = TARGET_NO_FIELD,
.link_addr = GRUB_KERNEL_SPARC64_IEEE1275_LINK_ADDR
},
{
.dirname = "ia64-efi",
.names = {"ia64-efi", NULL},
.voidp_sizeof = 8,
.bigendian = 0,
.id = IMAGE_EFI,
.flags = PLATFORM_FLAGS_NONE,
.prefix = GRUB_KERNEL_IA64_EFI_PREFIX,
.prefix_end = GRUB_KERNEL_IA64_EFI_PREFIX_END,
.raw_size = 0,
.total_module_size = TARGET_NO_FIELD,
.kernel_image_size = TARGET_NO_FIELD,
.compressed_size = TARGET_NO_FIELD,
.section_align = 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,
.elf_target = EM_IA_64,
},
};
#define grub_target_to_host32(x) (grub_target_to_host32_real (image_target, (x)))
@ -939,12 +967,7 @@ 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);
@ -965,10 +988,7 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[],
/* The COFF file header. */
c = (struct grub_pe32_coff_header *) (header + GRUB_PE32_MSDOS_STUB_SIZE
+ GRUB_PE32_SIGNATURE_SIZE);
if (image_target->voidp_sizeof == 4)
c->machine = grub_host_to_target16 (GRUB_PE32_MACHINE_I386);
else
c->machine = grub_host_to_target16 (GRUB_PE32_MACHINE_X86_64);
c->machine = grub_host_to_target16 (image_target->pe_target);
c->num_sections = grub_host_to_target16 (4);
c->time = grub_host_to_target32 (time (0));

View file

@ -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
@ -101,9 +103,19 @@ SUFFIX (relocate_symbols) (Elf_Ehdr *e, Elf_Shdr *sections,
else if (index >= num_sections)
grub_util_error ("section %d does not exist", index);
sym->st_value = (grub_target_to_host32 (sym->st_value)
sym->st_value = (grub_target_to_host (sym->st_value)
+ section_addresses[index]);
grub_util_info ("locating %s at 0x%x", name, sym->st_value);
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)
if (strcmp (name, "_start") == 0 || strcmp (name, "start") == 0)
@ -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;
@ -200,7 +363,9 @@ SUFFIX (relocate_addresses) (Elf_Ehdr *e, Elf_Shdr *sections,
addend = (s->sh_type == grub_target_to_host32 (SHT_RELA)) ?
r->r_addend : 0;
if (image_target->voidp_sizeof == 4)
switch (image_target->elf_target)
{
case EM_386:
switch (ELF_R_TYPE (info))
{
case R_386_NONE:
@ -224,11 +389,12 @@ SUFFIX (relocate_addresses) (Elf_Ehdr *e, Elf_Shdr *sections,
*target, offset);
break;
default:
grub_util_error ("unknown relocation type %d",
grub_util_error ("unknown relocation type 0x%x",
ELF_R_TYPE (info));
break;
}
else
break;
case EM_X86_64:
switch (ELF_R_TYPE (info))
{
@ -270,6 +436,85 @@ SUFFIX (relocate_addresses) (Elf_Ehdr *e, Elf_Shdr *sections,
ELF_R_TYPE (info));
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)) >> 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_LTOFF22X:
case R_IA64_LTOFF22:
{
Elf_Sym *sym;
sym = (Elf_Sym *) ((char *) e
+ grub_target_to_host32 (symtab_section->sh_offset)
+ ELF_R_SYM (info) * grub_target_to_host32 (symtab_section->sh_entsize));
if (ELF_ST_TYPE (sym->st_info) == STT_FUNC)
sym_addr = grub_target_to_host64 (*(grub_uint64_t *) (pe_target
+ sym->st_value
- image_target->vaddr_offset));
}
case R_IA64_LTOFF_FPTR22:
*gpptr = grub_host_to_target64 (addend + sym_addr);
add_value_to_slot_21 ((grub_addr_t) target,
(char *) gpptr - (char *) pe_target
+ image_target->vaddr_offset);
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));
break;
}
break;
#endif
default:
grub_util_error ("unknown architecture type %d",
image_target->elf_target);
}
}
}
}
@ -312,7 +557,7 @@ 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. */
@ -374,9 +619,11 @@ 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;
@ -384,8 +631,7 @@ 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)))
@ -417,8 +663,9 @@ SUFFIX (make_reloc_section) (Elf_Ehdr *e, void **out,
info = grub_le_to_cpu32 (r->r_info);
/* Necessary to relocate only absolute addresses. */
if (image_target->voidp_sizeof == 4)
switch (image_target->elf_target)
{
case EM_386:
if (ELF_R_TYPE (info) == R_386_32)
{
Elf_Addr addr;
@ -431,9 +678,8 @@ SUFFIX (make_reloc_section) (Elf_Ehdr *e, void **out,
addr, 0, current_address,
image_target);
}
}
else
{
break;
case EM_X86_64:
if ((ELF_R_TYPE (info) == R_X86_64_32) ||
(ELF_R_TYPE (info) == R_X86_64_32S))
{
@ -452,10 +698,57 @@ SUFFIX (make_reloc_section) (Elf_Ehdr *e, void **out,
0, current_address,
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);
{
@ -617,7 +910,10 @@ 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;
@ -696,23 +992,31 @@ 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
{
@ -722,6 +1026,34 @@ 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))