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2009-07-01 Pavel Roskin <proski@gnu.org>

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* include/grub/elf.h: Define Elf_Sword and Elf_Xword.
	* kern/i386/dl.c: Use ELF symbols without "32" or "64".
	* kern/powerpc/dl.c: Likewise.
	* kern/sparc64/dl.c: Likewise.
	* kern/x86_64/dl.c: Likewise.
This commit is contained in:
proski 2009-07-01 14:49:22 +00:00
parent 3f7f0cd003
commit 3262295617
6 changed files with 76 additions and 64 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
2009-07-01 Pavel Roskin <proski@gnu.org>
* include/grub/elf.h: Define Elf_Sword and Elf_Xword.
* kern/i386/dl.c: Use ELF symbols without "32" or "64".
* kern/powerpc/dl.c: Likewise.
* kern/sparc64/dl.c: Likewise.
* kern/x86_64/dl.c: Likewise.
2009-07-01 Robert Millan <rmh.grub@aybabtu.com>
Fix grub-emu build on sparc64-ieee1275.

4
include/grub/elf.h
View file

@ -2340,8 +2340,10 @@ typedef Elf32_Rel Elf_Rel;
typedef Elf32_Rela Elf_Rela;
typedef Elf32_Section Elf_Section;
typedef Elf32_Shdr Elf_Shdr;
typedef Elf32_Sword Elf_Sword;
typedef Elf32_Sym Elf_Sym;
typedef Elf32_Word Elf_Word;
typedef Elf32_Xword Elf_Xword;
#define ELF_ST_BIND(val) ELF32_ST_BIND(val)
#define ELF_ST_TYPE(val) ELF32_ST_TYPE(val)
@ -2359,8 +2361,10 @@ typedef Elf64_Rel Elf_Rel;
typedef Elf64_Rela Elf_Rela;
typedef Elf64_Section Elf_Section;
typedef Elf64_Shdr Elf_Shdr;
typedef Elf64_Sword Elf_Sword;
typedef Elf64_Sym Elf_Sym;
typedef Elf64_Word Elf_Word;
typedef Elf64_Xword Elf_Xword;
#define ELF_ST_BIND(val) ELF64_ST_BIND (val)
#define ELF_ST_TYPE(val) ELF64_ST_TYPE (val)

34
kern/i386/dl.c
View file

@ -26,7 +26,7 @@
grub_err_t
grub_arch_dl_check_header (void *ehdr)
{
Elf32_Ehdr *e = ehdr;
Elf_Ehdr *e = ehdr;
/* Check the magic numbers. */
if (e->e_ident[EI_CLASS] != ELFCLASS32
@ -41,15 +41,15 @@ grub_arch_dl_check_header (void *ehdr)
grub_err_t
grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
{
Elf32_Ehdr *e = ehdr;
Elf32_Shdr *s;
Elf32_Word entsize;
Elf_Ehdr *e = ehdr;
Elf_Shdr *s;
Elf_Word entsize;
unsigned i;
/* Find a symbol table. */
for (i = 0, s = (Elf32_Shdr *) ((char *) e + e->e_shoff);
for (i = 0, s = (Elf_Shdr *) ((char *) e + e->e_shoff);
i < e->e_shnum;
i++, s = (Elf32_Shdr *) ((char *) s + e->e_shentsize))
i++, s = (Elf_Shdr *) ((char *) s + e->e_shentsize))
if (s->sh_type == SHT_SYMTAB)
break;
@ -58,9 +58,9 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
entsize = s->sh_entsize;
for (i = 0, s = (Elf32_Shdr *) ((char *) e + e->e_shoff);
for (i = 0, s = (Elf_Shdr *) ((char *) e + e->e_shoff);
i < e->e_shnum;
i++, s = (Elf32_Shdr *) ((char *) s + e->e_shentsize))
i++, s = (Elf_Shdr *) ((char *) s + e->e_shentsize))
if (s->sh_type == SHT_REL)
{
grub_dl_segment_t seg;
@ -72,32 +72,32 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
if (seg)
{
Elf32_Rel *rel, *max;
Elf_Rel *rel, *max;
for (rel = (Elf32_Rel *) ((char *) e + s->sh_offset),
for (rel = (Elf_Rel *) ((char *) e + s->sh_offset),
max = rel + s->sh_size / s->sh_entsize;
rel < max;
rel++)
{
Elf32_Word *addr;
Elf32_Sym *sym;
Elf_Word *addr;
Elf_Sym *sym;
if (seg->size < rel->r_offset)
return grub_error (GRUB_ERR_BAD_MODULE,
"reloc offset is out of the segment");
addr = (Elf32_Word *) ((char *) seg->addr + rel->r_offset);
sym = (Elf32_Sym *) ((char *) mod->symtab
+ entsize * ELF32_R_SYM (rel->r_info));
addr = (Elf_Word *) ((char *) seg->addr + rel->r_offset);
sym = (Elf_Sym *) ((char *) mod->symtab
+ entsize * ELF_R_SYM (rel->r_info));
switch (ELF32_R_TYPE (rel->r_info))
switch (ELF_R_TYPE (rel->r_info))
{
case R_386_32:
*addr += sym->st_value;
break;
case R_386_PC32:
*addr += (sym->st_value - (Elf32_Word) seg->addr
*addr += (sym->st_value - (Elf_Word) seg->addr
- rel->r_offset);
break;
}

42
kern/powerpc/dl.c
View file

@ -26,7 +26,7 @@
grub_err_t
grub_arch_dl_check_header (void *ehdr)
{
Elf32_Ehdr *e = ehdr;
Elf_Ehdr *e = ehdr;
/* Check the magic numbers. */
if (e->e_ident[EI_CLASS] != ELFCLASS32
@ -42,15 +42,15 @@ grub_arch_dl_check_header (void *ehdr)
grub_err_t
grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
{
Elf32_Ehdr *e = ehdr;
Elf32_Shdr *s;
Elf32_Word entsize;
Elf_Ehdr *e = ehdr;
Elf_Shdr *s;
Elf_Word entsize;
unsigned i;
/* Find a symbol table. */
for (i = 0, s = (Elf32_Shdr *) ((char *) e + e->e_shoff);
for (i = 0, s = (Elf_Shdr *) ((char *) e + e->e_shoff);
i < e->e_shnum;
i++, s = (Elf32_Shdr *) ((char *) s + e->e_shentsize))
i++, s = (Elf_Shdr *) ((char *) s + e->e_shentsize))
if (s->sh_type == SHT_SYMTAB)
break;
@ -59,9 +59,9 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
entsize = s->sh_entsize;
for (i = 0, s = (Elf32_Shdr *) ((char *) e + e->e_shoff);
for (i = 0, s = (Elf_Shdr *) ((char *) e + e->e_shoff);
i < e->e_shnum;
i++, s = (Elf32_Shdr *) ((char *) s + e->e_shentsize))
i++, s = (Elf_Shdr *) ((char *) s + e->e_shentsize))
if (s->sh_type == SHT_RELA)
{
grub_dl_segment_t seg;
@ -73,37 +73,37 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
if (seg)
{
Elf32_Rela *rel, *max;
Elf_Rela *rel, *max;
for (rel = (Elf32_Rela *) ((char *) e + s->sh_offset),
for (rel = (Elf_Rela *) ((char *) e + s->sh_offset),
max = rel + s->sh_size / s->sh_entsize;
rel < max;
rel++)
{
Elf32_Word *addr;
Elf32_Sym *sym;
Elf_Word *addr;
Elf_Sym *sym;
grub_uint32_t value;
if (seg->size < rel->r_offset)
return grub_error (GRUB_ERR_BAD_MODULE,
"reloc offset is out of the segment");
addr = (Elf32_Word *) ((char *) seg->addr + rel->r_offset);
sym = (Elf32_Sym *) ((char *) mod->symtab
+ entsize * ELF32_R_SYM (rel->r_info));
addr = (Elf_Word *) ((char *) seg->addr + rel->r_offset);
sym = (Elf_Sym *) ((char *) mod->symtab
+ entsize * ELF_R_SYM (rel->r_info));
/* On the PPC the value does not have an explicit
addend, add it. */
value = sym->st_value + rel->r_addend;
switch (ELF32_R_TYPE (rel->r_info))
switch (ELF_R_TYPE (rel->r_info))
{
case R_PPC_ADDR16_LO:
*(Elf32_Half *) addr = value;
*(Elf_Half *) addr = value;
break;
case R_PPC_REL24:
{
Elf32_Sword delta = value - (Elf32_Word) addr;
Elf_Sword delta = value - (Elf_Word) addr;
if (delta << 6 >> 6 != delta)
return grub_error (GRUB_ERR_BAD_MODULE, "Relocation overflow");
@ -112,7 +112,7 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
}
case R_PPC_ADDR16_HA:
*(Elf32_Half *) addr = (value + 0x8000) >> 16;
*(Elf_Half *) addr = (value + 0x8000) >> 16;
break;
case R_PPC_ADDR32:
@ -120,13 +120,13 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
break;
case R_PPC_REL32:
*addr = value - (Elf32_Word) addr;
*addr = value - (Elf_Word) addr;
break;
default:
return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
"This relocation (%d) is not implemented yet",
ELF32_R_TYPE (rel->r_info));
ELF_R_TYPE (rel->r_info));
}
}
}

46
kern/sparc64/dl.c
View file

@ -26,7 +26,7 @@
grub_err_t
grub_arch_dl_check_header (void *ehdr)
{
Elf64_Ehdr *e = ehdr;
Elf_Ehdr *e = ehdr;
/* Check the magic numbers. */
if (e->e_ident[EI_CLASS] != ELFCLASS64
@ -42,15 +42,15 @@ grub_arch_dl_check_header (void *ehdr)
grub_err_t
grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
{
Elf64_Ehdr *e = ehdr;
Elf64_Shdr *s;
Elf64_Word entsize;
Elf_Ehdr *e = ehdr;
Elf_Shdr *s;
Elf_Word entsize;
unsigned i;
/* Find a symbol table. */
for (i = 0, s = (Elf64_Shdr *) ((char *) e + e->e_shoff);
for (i = 0, s = (Elf_Shdr *) ((char *) e + e->e_shoff);
i < e->e_shnum;
i++, s = (Elf64_Shdr *) ((char *) s + e->e_shentsize))
i++, s = (Elf_Shdr *) ((char *) s + e->e_shentsize))
if (s->sh_type == SHT_SYMTAB)
break;
@ -59,9 +59,9 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
entsize = s->sh_entsize;
for (i = 0, s = (Elf64_Shdr *) ((char *) e + e->e_shoff);
for (i = 0, s = (Elf_Shdr *) ((char *) e + e->e_shoff);
i < e->e_shnum;
i++, s = (Elf64_Shdr *) ((char *) s + e->e_shentsize))
i++, s = (Elf_Shdr *) ((char *) s + e->e_shentsize))
if (s->sh_type == SHT_RELA)
{
grub_dl_segment_t seg;
@ -73,27 +73,27 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
if (seg)
{
Elf64_Rela *rel, *max;
Elf_Rela *rel, *max;
for (rel = (Elf64_Rela *) ((char *) e + s->sh_offset),
for (rel = (Elf_Rela *) ((char *) e + s->sh_offset),
max = rel + s->sh_size / s->sh_entsize;
rel < max;
rel++)
{
Elf64_Word *addr;
Elf64_Sym *sym;
Elf64_Addr value;
Elf_Word *addr;
Elf_Sym *sym;
Elf_Addr value;
if (seg->size < rel->r_offset)
return grub_error (GRUB_ERR_BAD_MODULE,
"reloc offset is out of the segment");
addr = (Elf64_Word *) ((char *) seg->addr + rel->r_offset);
sym = (Elf64_Sym *) ((char *) mod->symtab
+ entsize * ELF64_R_SYM (rel->r_info));
addr = (Elf_Word *) ((char *) seg->addr + rel->r_offset);
sym = (Elf_Sym *) ((char *) mod->symtab
+ entsize * ELF_R_SYM (rel->r_info));
value = sym->st_value + rel->r_addend;
switch (ELF64_R_TYPE (rel->r_info) & 0xff)
switch (ELF_R_TYPE (rel->r_info) & 0xff)
{
case R_SPARC_32: /* 3 V-word32 */
if (value & 0xFFFFFFFF00000000)
@ -102,13 +102,13 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
*addr = value;
break;
case R_SPARC_WDISP30: /* 7 V-disp30 */
if (((value - (Elf64_Addr) addr) & 0xFFFFFFFF00000000) &&
(((value - (Elf64_Addr) addr) & 0xFFFFFFFF00000000)
if (((value - (Elf_Addr) addr) & 0xFFFFFFFF00000000) &&
(((value - (Elf_Addr) addr) & 0xFFFFFFFF00000000)
!= 0xFFFFFFFF00000000))
return grub_error (GRUB_ERR_BAD_MODULE,
"Displacement out of 30 bits range");
*addr = (*addr & 0xC0000000) |
(((grub_int32_t) ((value - (Elf64_Addr) addr) >> 2)) &
(((grub_int32_t) ((value - (Elf_Addr) addr) >> 2)) &
0x3FFFFFFF);
break;
case R_SPARC_HI22: /* 9 V-imm22 */
@ -121,18 +121,18 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
*addr = (*addr & 0xFFFFFC00) | (value & 0x3FF);
break;
case R_SPARC_64: /* 32 V-xwords64 */
*(Elf64_Xword *) addr = value;
*(Elf_Xword *) addr = value;
break;
case R_SPARC_OLO10:
*addr = (*addr & ~0x1fff)
| (((value & 0x3ff) +
(ELF64_R_TYPE (rel->r_info) >> 8))
(ELF_R_TYPE (rel->r_info) >> 8))
& 0x1fff);
break;
default:
return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
"This relocation (%d) is not implemented yet",
ELF64_R_TYPE (rel->r_info));
ELF_R_TYPE (rel->r_info));
}
}
}

6
kern/x86_64/dl.c
View file

@ -90,9 +90,9 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
addr32 = (Elf64_Word *) ((char *) seg->addr + rel->r_offset);
addr64 = (Elf64_Xword *) addr32;
sym = (Elf64_Sym *) ((char *) mod->symtab
+ entsize * ELF64_R_SYM (rel->r_info));
+ entsize * ELF_R_SYM (rel->r_info));
switch (ELF64_R_TYPE (rel->r_info))
switch (ELF_R_TYPE (rel->r_info))
{
case R_X86_64_64:
*addr64 += rel->r_addend + sym->st_value;
@ -109,7 +109,7 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
break;
default:
grub_fatal ("Unrecognized relocation: %d\n", ELF64_R_TYPE (rel->r_info));
grub_fatal ("Unrecognized relocation: %d\n", ELF_R_TYPE (rel->r_info));
}
}
}