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Differential D13838 Diff 37756 stand/common/reloc_elf.c

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stand/common/reloc_elf.c

Show First 20 Lines • Show All 109 Lines • ▼ Show 20 Lines if ((char *)where < (char *)data || (char *)where >= (char *)data + len)
return (0); return (0);
if (reltype == ELF_RELOC_REL) if (reltype == ELF_RELOC_REL)
addend = *where; addend = *where;
/* XXX, definitions not available on i386. */ /* XXX, definitions not available on i386. */
#define R_X86_64_64 1 #define R_X86_64_64 1
#define R_X86_64_RELATIVE 8 #define R_X86_64_RELATIVE 8
#define R_X86_64_IRELATIVE 37
switch (rtype) { switch (rtype) {
case R_X86_64_64: /* S + A */ case R_X86_64_64: /* S + A */
addr = symaddr(ef, symidx); addr = symaddr(ef, symidx);
if (addr == 0) if (addr == 0)
return (ESRCH); return (ESRCH);
val = addr + addend; val = addr + addend;
*where = val; *where = val;
break; break;
case R_X86_64_RELATIVE: case R_X86_64_RELATIVE:
addr = (Elf_Addr)addend + relbase; addr = (Elf_Addr)addend + relbase;
val = addr; val = addr;
*where = val; *where = val;
break; break;
case R_X86_64_IRELATIVE:
/* leave it to kernel */
break;
default: default:
printf("\nunhandled relocation type %u\n", (u_int)rtype); printf("\nunhandled relocation type %u\n", (u_int)rtype);
return (EFTYPE); return (EFTYPE);
} }
return (0); return (0);
#elif defined(__i386__) && __ELF_WORD_SIZE == 32 #elif defined(__i386__) && __ELF_WORD_SIZE == 32
Elf_Addr addend, addr, *where, val; Elf_Addr addend, addr, *where, val;
Show All 28 Lines#elif defined(__i386__) && __ELF_WORD_SIZE == 32
if (reltype == ELF_RELOC_REL) if (reltype == ELF_RELOC_REL)
addend = *where; addend = *where;
/* XXX, definitions not available on amd64. */ /* XXX, definitions not available on amd64. */
#define R_386_32 1 /* Add symbol value. */ #define R_386_32 1 /* Add symbol value. */
#define R_386_GLOB_DAT 6 /* Set GOT entry to data address. */ #define R_386_GLOB_DAT 6 /* Set GOT entry to data address. */
#define R_386_RELATIVE 8 /* Add load address of shared object. */ #define R_386_RELATIVE 8 /* Add load address of shared object. */
#define R_386_IRELATIVE 42
switch (rtype) { switch (rtype) {
case R_386_RELATIVE: case R_386_RELATIVE:
addr = addend + relbase; addr = addend + relbase;
*where = addr; *where = addr;
break; break;
case R_386_32: /* S + A */ case R_386_32: /* S + A */
addr = symaddr(ef, symidx); addr = symaddr(ef, symidx);
if (addr == 0) if (addr == 0)
return (ESRCH); return (ESRCH);
val = addr + addend; val = addr + addend;
*where = val; *where = val;
break;
case R_386_IRELATIVE:
/* leave it to kernel */
break; break;
default: default:
printf("\nunhandled relocation type %u\n", (u_int)rtype); printf("\nunhandled relocation type %u\n", (u_int)rtype);
return (EFTYPE); return (EFTYPE);
} }
return (0); return (0);
#elif defined(__powerpc__) #elif defined(__powerpc__)
Show All 28 Lines