[GAS][AARCH64]Add TLSDESC large memory model support.
bfd/ 2015-10-02 Renlin Li <renlin.li@arm.com> * elfnn-aarch64.c (elfNN_aarch64_howto_table): Check overflow for BFD_RELOC_AARCH64_TLSDESC_OFF_G1. gas/ 2015-10-02 Renlin Li <renlin.li@arm.com> * config/tc-aarch64.c (s_tlsdescadd): New. (s_tlsdescldr): New. (md_pseudo_table): Handle tlsdescadd and tlsdescldr pseudo ops. (reloc_table): Add entries for BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC and BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC. (process_movw_reloc_info): Support AARCH64_TLSDESC_OFF_G1 and AARCH64_TLSDESC_OFF_G0_NC. (md_apply_fix): Likewise. (aarch64_force_relocation): Likewise. gas/testsuite/ 2015-10-02 Renlin Li <renlin.li@arm.com> * gas/aarch64/reloc-tlsdesc_off_g0_nc.d: New. * gas/aarch64/reloc-tlsdesc_off_g0_nc.s: New. * gas/aarch64/reloc-tlsdesc_off_g1.d: New. * gas/aarch64/reloc-tlsdesc_off_g1.s: New. * gas/aarch64/tls-desc.d: New. * gas/aarch64/tls-desc.s: New.
This commit is contained in:
parent
ac73473248
commit
43a357f99f
|
@ -1,3 +1,8 @@
|
||||||
|
2015-10-02 Renlin Li <renlin.li@arm.com>
|
||||||
|
|
||||||
|
* elfnn-aarch64.c (elfNN_aarch64_howto_table): Check overflow for
|
||||||
|
BFD_RELOC_AARCH64_TLSDESC_OFF_G1.
|
||||||
|
|
||||||
2015-10-02 Renlin Li <renlin.li@arm.com>
|
2015-10-02 Renlin Li <renlin.li@arm.com>
|
||||||
|
|
||||||
* elfnn-aarch64.c(IS_AARCH64_TLS_RELAX_RELOC):
|
* elfnn-aarch64.c(IS_AARCH64_TLS_RELAX_RELOC):
|
||||||
|
|
|
@ -1616,7 +1616,7 @@ static reloc_howto_type elfNN_aarch64_howto_table[] =
|
||||||
12, /* bitsize */
|
12, /* bitsize */
|
||||||
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
||||||
0, /* bitpos */
|
0, /* bitpos */
|
||||||
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_unsigned, /* complain_on_overflow */
|
||||||
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
||||||
AARCH64_R_STR (TLSDESC_OFF_G1), /* name */
|
AARCH64_R_STR (TLSDESC_OFF_G1), /* name */
|
||||||
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
||||||
|
|
|
@ -1,3 +1,15 @@
|
||||||
|
2015-10-02 Renlin Li <renlin.li@arm.com>
|
||||||
|
|
||||||
|
* config/tc-aarch64.c (s_tlsdescadd): New.
|
||||||
|
(s_tlsdescldr): New.
|
||||||
|
(md_pseudo_table): Handle tlsdescadd and tlsdescldr pseudo ops.
|
||||||
|
(reloc_table): Add entries for BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC and
|
||||||
|
BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC.
|
||||||
|
(process_movw_reloc_info): Support AARCH64_TLSDESC_OFF_G1 and
|
||||||
|
AARCH64_TLSDESC_OFF_G0_NC.
|
||||||
|
(md_apply_fix): Likewise.
|
||||||
|
(aarch64_force_relocation): Likewise.
|
||||||
|
|
||||||
2015-10-02 Renlin Li <renlin.li@arm.com>
|
2015-10-02 Renlin Li <renlin.li@arm.com>
|
||||||
|
|
||||||
* config/tc-aarch64.c (reloc_table): Add two entries for
|
* config/tc-aarch64.c (reloc_table): Add two entries for
|
||||||
|
|
|
@ -1892,6 +1892,21 @@ s_aarch64_inst (int ignored ATTRIBUTE_UNUSED)
|
||||||
}
|
}
|
||||||
|
|
||||||
#ifdef OBJ_ELF
|
#ifdef OBJ_ELF
|
||||||
|
/* Emit BFD_RELOC_AARCH64_TLSDESC_ADD on the next ADD instruction. */
|
||||||
|
|
||||||
|
static void
|
||||||
|
s_tlsdescadd (int ignored ATTRIBUTE_UNUSED)
|
||||||
|
{
|
||||||
|
expressionS exp;
|
||||||
|
|
||||||
|
expression (&exp);
|
||||||
|
frag_grow (4);
|
||||||
|
fix_new_aarch64 (frag_now, frag_more (0) - frag_now->fr_literal, 4, &exp, 0,
|
||||||
|
BFD_RELOC_AARCH64_TLSDESC_ADD);
|
||||||
|
|
||||||
|
demand_empty_rest_of_line ();
|
||||||
|
}
|
||||||
|
|
||||||
/* Emit BFD_RELOC_AARCH64_TLSDESC_CALL on the next BLR instruction. */
|
/* Emit BFD_RELOC_AARCH64_TLSDESC_CALL on the next BLR instruction. */
|
||||||
|
|
||||||
static void
|
static void
|
||||||
|
@ -1911,6 +1926,21 @@ s_tlsdesccall (int ignored ATTRIBUTE_UNUSED)
|
||||||
|
|
||||||
demand_empty_rest_of_line ();
|
demand_empty_rest_of_line ();
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/* Emit BFD_RELOC_AARCH64_TLSDESC_LDR on the next LDR instruction. */
|
||||||
|
|
||||||
|
static void
|
||||||
|
s_tlsdescldr (int ignored ATTRIBUTE_UNUSED)
|
||||||
|
{
|
||||||
|
expressionS exp;
|
||||||
|
|
||||||
|
expression (&exp);
|
||||||
|
frag_grow (4);
|
||||||
|
fix_new_aarch64 (frag_now, frag_more (0) - frag_now->fr_literal, 4, &exp, 0,
|
||||||
|
BFD_RELOC_AARCH64_TLSDESC_LDR);
|
||||||
|
|
||||||
|
demand_empty_rest_of_line ();
|
||||||
|
}
|
||||||
#endif /* OBJ_ELF */
|
#endif /* OBJ_ELF */
|
||||||
|
|
||||||
static void s_aarch64_arch (int);
|
static void s_aarch64_arch (int);
|
||||||
|
@ -1936,7 +1966,9 @@ const pseudo_typeS md_pseudo_table[] = {
|
||||||
{"arch_extension", s_aarch64_arch_extension, 0},
|
{"arch_extension", s_aarch64_arch_extension, 0},
|
||||||
{"inst", s_aarch64_inst, 0},
|
{"inst", s_aarch64_inst, 0},
|
||||||
#ifdef OBJ_ELF
|
#ifdef OBJ_ELF
|
||||||
|
{"tlsdescadd", s_tlsdescadd, 0},
|
||||||
{"tlsdesccall", s_tlsdesccall, 0},
|
{"tlsdesccall", s_tlsdesccall, 0},
|
||||||
|
{"tlsdescldr", s_tlsdescldr, 0},
|
||||||
{"word", s_aarch64_elf_cons, 4},
|
{"word", s_aarch64_elf_cons, 4},
|
||||||
{"long", s_aarch64_elf_cons, 4},
|
{"long", s_aarch64_elf_cons, 4},
|
||||||
{"xword", s_aarch64_elf_cons, 8},
|
{"xword", s_aarch64_elf_cons, 8},
|
||||||
|
@ -2648,6 +2680,24 @@ static struct reloc_table_entry reloc_table[] = {
|
||||||
0,
|
0,
|
||||||
0},
|
0},
|
||||||
|
|
||||||
|
/* Lower 16 bit offset into GOT entry for a symbol */
|
||||||
|
{"tlsdesc_off_g0_nc", 0,
|
||||||
|
0, /* adr_type */
|
||||||
|
0,
|
||||||
|
BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC,
|
||||||
|
0,
|
||||||
|
0,
|
||||||
|
0},
|
||||||
|
|
||||||
|
/* Higher 16 bit offset into GOT entry for a symbol */
|
||||||
|
{"tlsdesc_off_g1", 0,
|
||||||
|
0, /* adr_type */
|
||||||
|
0,
|
||||||
|
BFD_RELOC_AARCH64_TLSDESC_OFF_G1,
|
||||||
|
0,
|
||||||
|
0,
|
||||||
|
0},
|
||||||
|
|
||||||
/* Get to the page containing GOT TLS entry for a symbol */
|
/* Get to the page containing GOT TLS entry for a symbol */
|
||||||
{"gottprel", 0,
|
{"gottprel", 0,
|
||||||
0, /* adr_type */
|
0, /* adr_type */
|
||||||
|
@ -4723,6 +4773,7 @@ process_movw_reloc_info (void)
|
||||||
case BFD_RELOC_AARCH64_MOVW_G0_NC:
|
case BFD_RELOC_AARCH64_MOVW_G0_NC:
|
||||||
case BFD_RELOC_AARCH64_MOVW_G0_S:
|
case BFD_RELOC_AARCH64_MOVW_G0_S:
|
||||||
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC:
|
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC:
|
||||||
|
case BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC:
|
||||||
case BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC:
|
case BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC:
|
||||||
case BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC:
|
case BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC:
|
||||||
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0:
|
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0:
|
||||||
|
@ -4735,6 +4786,7 @@ process_movw_reloc_info (void)
|
||||||
case BFD_RELOC_AARCH64_MOVW_G1_NC:
|
case BFD_RELOC_AARCH64_MOVW_G1_NC:
|
||||||
case BFD_RELOC_AARCH64_MOVW_G1_S:
|
case BFD_RELOC_AARCH64_MOVW_G1_S:
|
||||||
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
|
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
|
||||||
|
case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
|
||||||
case BFD_RELOC_AARCH64_TLSGD_MOVW_G1:
|
case BFD_RELOC_AARCH64_TLSGD_MOVW_G1:
|
||||||
case BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1:
|
case BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1:
|
||||||
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1:
|
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1:
|
||||||
|
@ -6859,6 +6911,22 @@ md_apply_fix (fixS * fixP, valueT * valP, segT seg)
|
||||||
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
|
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
|
||||||
scale = 16;
|
scale = 16;
|
||||||
goto movw_common;
|
goto movw_common;
|
||||||
|
case BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC:
|
||||||
|
scale = 0;
|
||||||
|
S_SET_THREAD_LOCAL (fixP->fx_addsy);
|
||||||
|
/* Should always be exported to object file, see
|
||||||
|
aarch64_force_relocation(). */
|
||||||
|
gas_assert (!fixP->fx_done);
|
||||||
|
gas_assert (seg->use_rela_p);
|
||||||
|
goto movw_common;
|
||||||
|
case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
|
||||||
|
scale = 16;
|
||||||
|
S_SET_THREAD_LOCAL (fixP->fx_addsy);
|
||||||
|
/* Should always be exported to object file, see
|
||||||
|
aarch64_force_relocation(). */
|
||||||
|
gas_assert (!fixP->fx_done);
|
||||||
|
gas_assert (seg->use_rela_p);
|
||||||
|
goto movw_common;
|
||||||
case BFD_RELOC_AARCH64_MOVW_G2:
|
case BFD_RELOC_AARCH64_MOVW_G2:
|
||||||
case BFD_RELOC_AARCH64_MOVW_G2_NC:
|
case BFD_RELOC_AARCH64_MOVW_G2_NC:
|
||||||
case BFD_RELOC_AARCH64_MOVW_G2_S:
|
case BFD_RELOC_AARCH64_MOVW_G2_S:
|
||||||
|
@ -6888,6 +6956,7 @@ md_apply_fix (fixS * fixP, valueT * valP, segT seg)
|
||||||
case BFD_RELOC_AARCH64_MOVW_G2:
|
case BFD_RELOC_AARCH64_MOVW_G2:
|
||||||
case BFD_RELOC_AARCH64_MOVW_G3:
|
case BFD_RELOC_AARCH64_MOVW_G3:
|
||||||
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
|
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
|
||||||
|
case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
|
||||||
if (unsigned_overflow (value, scale + 16))
|
if (unsigned_overflow (value, scale + 16))
|
||||||
as_bad_where (fixP->fx_file, fixP->fx_line,
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
||||||
_("unsigned value out of range"));
|
_("unsigned value out of range"));
|
||||||
|
@ -7185,6 +7254,8 @@ aarch64_force_relocation (struct fix *fixp)
|
||||||
case BFD_RELOC_AARCH64_TLSDESC_LD32_LO12_NC:
|
case BFD_RELOC_AARCH64_TLSDESC_LD32_LO12_NC:
|
||||||
case BFD_RELOC_AARCH64_TLSDESC_LD64_LO12_NC:
|
case BFD_RELOC_AARCH64_TLSDESC_LD64_LO12_NC:
|
||||||
case BFD_RELOC_AARCH64_TLSDESC_LD_PREL19:
|
case BFD_RELOC_AARCH64_TLSDESC_LD_PREL19:
|
||||||
|
case BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC:
|
||||||
|
case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
|
||||||
case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC:
|
case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC:
|
||||||
case BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21:
|
case BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21:
|
||||||
case BFD_RELOC_AARCH64_TLSGD_ADR_PREL21:
|
case BFD_RELOC_AARCH64_TLSGD_ADR_PREL21:
|
||||||
|
|
|
@ -1,3 +1,12 @@
|
||||||
|
2015-10-02 Renlin Li <renlin.li@arm.com>
|
||||||
|
|
||||||
|
* gas/aarch64/reloc-tlsdesc_off_g0_nc.d: New.
|
||||||
|
* gas/aarch64/reloc-tlsdesc_off_g0_nc.s: New.
|
||||||
|
* gas/aarch64/reloc-tlsdesc_off_g1.d: New.
|
||||||
|
* gas/aarch64/reloc-tlsdesc_off_g1.s: New.
|
||||||
|
* gas/aarch64/tls-desc.d: New.
|
||||||
|
* gas/aarch64/tls-desc.s: New.
|
||||||
|
|
||||||
2015-10-02 Renlin Li <renlin.li@arm.com>
|
2015-10-02 Renlin Li <renlin.li@arm.com>
|
||||||
|
|
||||||
* gas/aarch64/reloc-gottprel_g0_nc.d: New.
|
* gas/aarch64/reloc-gottprel_g0_nc.d: New.
|
||||||
|
|
|
@ -0,0 +1,9 @@
|
||||||
|
#objdump: -dr
|
||||||
|
|
||||||
|
.*: file format .*
|
||||||
|
|
||||||
|
Disassembly of section \.text:
|
||||||
|
|
||||||
|
0000000000000000 <.*>:
|
||||||
|
0: f280001c movk x28, #0x0
|
||||||
|
0: R_AARCH64_TLSDESC_OFF_G0_NC x
|
|
@ -0,0 +1,5 @@
|
||||||
|
// Test file for AArch64 GAS -- tlsdesc_off_g0_nc
|
||||||
|
|
||||||
|
func:
|
||||||
|
// BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC
|
||||||
|
movk x28, #:tlsdesc_off_g0_nc:x
|
|
@ -0,0 +1,8 @@
|
||||||
|
#objdump: -dr
|
||||||
|
.*: file format .*
|
||||||
|
|
||||||
|
Disassembly of section \.text:
|
||||||
|
|
||||||
|
0000000000000000 <.*>:
|
||||||
|
0: d2a0001c movz x28, #0x0, lsl #16
|
||||||
|
0: R_AARCH64_TLSDESC_OFF_G1 x
|
|
@ -0,0 +1,5 @@
|
||||||
|
// Test file for AArch64 GAS -- tlsdesc_off_g1
|
||||||
|
|
||||||
|
func:
|
||||||
|
// BFD_RELOC_AARCH64_TLSDESC_OFF_G1
|
||||||
|
movz x28, #:tlsdesc_off_g1:x
|
|
@ -0,0 +1,17 @@
|
||||||
|
#objdump: -dr
|
||||||
|
|
||||||
|
.*: file format .*
|
||||||
|
|
||||||
|
Disassembly of section \.text:
|
||||||
|
|
||||||
|
0000000000000000 <.*>:
|
||||||
|
0: d2a00000 movz x0, #0x0, lsl #16
|
||||||
|
0: R_AARCH64_TLSDESC_OFF_G1 var
|
||||||
|
4: f2800000 movk x0, #0x0
|
||||||
|
4: R_AARCH64_TLSDESC_OFF_G0_NC var
|
||||||
|
8: f8606a41 ldr x1, \[x18,x0\]
|
||||||
|
8: R_AARCH64_TLSDESC_LDR var
|
||||||
|
c: 8b000240 add x0, x18, x0
|
||||||
|
c: R_AARCH64_TLSDESC_ADD var
|
||||||
|
10: d63f0020 blr x1
|
||||||
|
10: R_AARCH64_TLSDESC_CALL var
|
|
@ -0,0 +1,16 @@
|
||||||
|
func:
|
||||||
|
|
||||||
|
// R_AARCH64_TLSDESC_0FF_G1 var
|
||||||
|
movz x0, #:tlsdesc_off_g1:var
|
||||||
|
// R_AARCH64_TLSDESC_OFF_G0_NC var
|
||||||
|
movk x0, #:tlsdesc_off_g0_nc:var
|
||||||
|
|
||||||
|
.tlsdescldr var
|
||||||
|
// R_AARCH64_TLSDESC_LDR var
|
||||||
|
ldr x1, [x18, x0]
|
||||||
|
.tlsdescadd var
|
||||||
|
// R_AARCH64_TLSDESC_ADD var
|
||||||
|
add x0, x18, x0
|
||||||
|
.tlsdesccall var
|
||||||
|
// R_AARCH64_TLSDESC_CALL var
|
||||||
|
blr x1
|
Loading…
Reference in New Issue