Differential D23652 Diff 68242 libexec/rtld-elf/aarch64/reloc.c

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libexec/rtld-elf/aarch64/reloc.c

Show First 20 Lines • Show All 252 Lines • ▼ Show 20 Lines	case R_AARCH64_JUMP_SLOT:
break;		break;
}		}
}		}
obj->jmpslots_done = true;		obj->jmpslots_done = true;

return (0);		return (0);
}		}

int		static void
reloc_iresolve(Obj_Entry obj, struct Struct_RtldLockState lockstate)		reloc_iresolve_one(Obj_Entry obj, const Elf_Rela rela,
		RtldLockState *lockstate)
{		{
const Elf_Rela *relalim;
const Elf_Rela *rela;
Elf_Addr where, target, ptr;		Elf_Addr where, target, ptr;

if (!obj->irelative)
return (0);
relalim = (const Elf_Rela )((const char )obj->pltrela + obj->pltrelasize);
for (rela = obj->pltrela; rela < relalim; rela++) {
if (ELF_R_TYPE(rela->r_info) == R_AARCH64_IRELATIVE) {
ptr = (Elf_Addr *)(obj->relocbase + rela->r_addend);		ptr = (Elf_Addr *)(obj->relocbase + rela->r_addend);
where = (Elf_Addr *)(obj->relocbase + rela->r_offset);		where = (Elf_Addr *)(obj->relocbase + rela->r_offset);
lock_release(rtld_bind_lock, lockstate);		lock_release(rtld_bind_lock, lockstate);
target = call_ifunc_resolver(ptr);		target = call_ifunc_resolver(ptr);
wlock_acquire(rtld_bind_lock, lockstate);		wlock_acquire(rtld_bind_lock, lockstate);
*where = target;		*where = target;
}		}
}
		int
		reloc_iresolve(Obj_Entry obj, struct Struct_RtldLockState lockstate)
		{
		const Elf_Rela *relalim;
		const Elf_Rela *rela;

		if (!obj->irelative)
		return (0);
obj->irelative = false;		obj->irelative = false;
		relalim = (const Elf_Rela )((const char )obj->pltrela +
		obj->pltrelasize);
		for (rela = obj->pltrela; rela < relalim; rela++) {
		if (ELF_R_TYPE(rela->r_info) == R_AARCH64_IRELATIVE)
		reloc_iresolve_one(obj, rela, lockstate);
		}
return (0);		return (0);
}		}

int		int
		reloc_iresolve_nonplt(Obj_Entry obj, struct Struct_RtldLockState lockstate)
		{
		const Elf_Rela *relalim;
		const Elf_Rela *rela;

		if (!obj->irelative_nonplt)
		return (0);
		obj->irelative_nonplt = false;
		relalim = (const Elf_Rela )((const char )obj->rela + obj->relasize);
		for (rela = obj->rela; rela < relalim; rela++) {
		if (ELF_R_TYPE(rela->r_info) == R_AARCH64_IRELATIVE)
		reloc_iresolve_one(obj, rela, lockstate);
		}
		return (0);
		}

		int
reloc_gnu_ifunc(Obj_Entry *obj, int flags,		reloc_gnu_ifunc(Obj_Entry *obj, int flags,
struct Struct_RtldLockState *lockstate)		struct Struct_RtldLockState *lockstate)
{		{
const Elf_Rela *relalim;		const Elf_Rela *relalim;
const Elf_Rela *rela;		const Elf_Rela *rela;
Elf_Addr *where, target;		Elf_Addr *where, target;
const Elf_Sym *def;		const Elf_Sym *def;
const Obj_Entry *defobj;		const Obj_Entry *defobj;
▲ Show 20 Lines • Show All 198 Lines • ▼ Show 20 Lines	case R_AARCH64_TLS_DTPREL64: /* efectively is TLS_DTPMOD64 */
break;		break;
case R_AARCH64_TLS_DTPMOD64: /* efectively is TLS_DTPREL64 */		case R_AARCH64_TLS_DTPMOD64: /* efectively is TLS_DTPREL64 */
*where += (Elf_Addr)(def->st_value + rela->r_addend);		*where += (Elf_Addr)(def->st_value + rela->r_addend);
break;		break;
case R_AARCH64_RELATIVE:		case R_AARCH64_RELATIVE:
*where = (Elf_Addr)(obj->relocbase + rela->r_addend);		*where = (Elf_Addr)(obj->relocbase + rela->r_addend);
break;		break;
case R_AARCH64_NONE:		case R_AARCH64_NONE:
		break;
		case R_AARCH64_IRELATIVE:
		obj->irelative_nonplt = true;
break;		break;
default:		default:
rtld_printf("%s: Unhandled relocation %lu\n",		rtld_printf("%s: Unhandled relocation %lu\n",
obj->path, ELF_R_TYPE(rela->r_info));		obj->path, ELF_R_TYPE(rela->r_info));
return (-1);		return (-1);
}		}
}		}

Show All 32 Lines