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[GAS][AARCH64]Add BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC Support. 

bfd/

2015-10-02  Renlin Li <renlin.li@arm.com>

	* reloc.c (BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC): New.
	* elfnn-aarch64.c (elfNN_aarch64_howto_table): New entry
	MOVW_GOTOFF_G0_NC.
	* libbfd.h: Regnerate.
	* bfd-in2.h: Regenerate.

gas/

2015-10-02  Renlin Li <renlin.li@arm.com>

	* config/tc-aarch64.c (reloc_table): New relocation modifier
	gotoff_g0_nc.
	(process_movw_reloc_info): Support gotoff_g0_nc.
	(md_apply_fix): Likewise.

gas/testsuite/

2015-10-02  Renlin Li <renlin.li@arm.com>

	* gas/aarch64/reloc-gotoff_g0_nc.s: New.
	* gas/aarch64/reloc-gotoff_g0_nc.d: New.
This commit is contained in:
Renlin Li 2015-10-02 15:42:01 +01:00
parent 74a1bfe1d6
commit ca632371ce
10 changed files with 70 additions and 0 deletions
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8
bfd/ChangeLog
View File

@ -1,3 +1,11 @@
2015-10-02 Renlin Li <renlin.li@arm.com>
* reloc.c (BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC): New.
* elfnn-aarch64.c (elfNN_aarch64_howto_table): New entry
MOVW_GOTOFF_G0_NC.
* libbfd.h: Regnerate.
* bfd-in2.h: Regenerate.
2015-10-02 Renlin Li <renlin.li@arm.com>
* elfnn-aarch64.c (aarch64_reloc_got_type): Add support

4
bfd/bfd-in2.h
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@ -5754,6 +5754,10 @@ the GOT entry for this symbol. Used in conjunction with
BFD_RELOC_AARCH64_ADR_GOTPAGE. Valid in ILP32 ABI only. */
BFD_RELOC_AARCH64_LD32_GOT_LO12_NC,
/* Unsigned 16 bit byte offset for 64 bit load/store from the GOT entry
for this symbol. Valid in LP64 ABI only. */
BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC,
/* Unsigned 16 bit byte higher offset for 64 bit load/store from the GOT entry
for this symbol. Valid in LP64 ABI only. */
BFD_RELOC_AARCH64_MOVW_GOTOFF_G1,

15
bfd/elfnn-aarch64.c
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@ -884,6 +884,21 @@ static reloc_howto_type elfNN_aarch64_howto_table[] =
0xffc, /* dst_mask */
FALSE), /* pcrel_offset */
/* Lower 16 bits of GOT offset for the symbol. */
HOWTO64 (AARCH64_R (MOVW_GOTOFF_G0_NC), /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (MOVW_GOTOFF_G0_NC), /* name */
FALSE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
FALSE), /* pcrel_offset */
/* Higher 16 bits of GOT offset for the symbol. */
HOWTO64 (AARCH64_R (MOVW_GOTOFF_G1), /* type */
16, /* rightshift */

1
bfd/libbfd.h
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@ -2747,6 +2747,7 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
"BFD_RELOC_AARCH64_ADR_GOT_PAGE",
"BFD_RELOC_AARCH64_LD64_GOT_LO12_NC",
"BFD_RELOC_AARCH64_LD32_GOT_LO12_NC",
"BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC",
"BFD_RELOC_AARCH64_MOVW_GOTOFF_G1",
"BFD_RELOC_AARCH64_LD64_GOTOFF_LO15",
"BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14",

5
bfd/reloc.c
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@ -6789,6 +6789,11 @@ ENUMDOC
Unsigned 12 bit byte offset for 32 bit load/store from the page of
the GOT entry for this symbol. Used in conjunction with
BFD_RELOC_AARCH64_ADR_GOTPAGE. Valid in ILP32 ABI only.
ENUM
BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC
ENUMDOC
Unsigned 16 bit byte offset for 64 bit load/store from the GOT entry
for this symbol. Valid in LP64 ABI only.
ENUM
BFD_RELOC_AARCH64_MOVW_GOTOFF_G1
ENUMDOC

7
gas/ChangeLog
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@ -1,3 +1,10 @@
2015-10-02 Renlin Li <renlin.li@arm.com>
* config/tc-aarch64.c (reloc_table): New relocation modifier
gotoff_g0_nc.
(process_movw_reloc_info): Support gotoff_g0_nc.
(md_apply_fix): Likewise.
2015-10-02 Renlin Li <renlin.li@arm.com>
* config/tc-aarch64.c (reloc_table): New relocation modifier

11
gas/config/tc-aarch64.c
View File

@ -2455,6 +2455,15 @@ static struct reloc_table_entry reloc_table[] = {
BFD_RELOC_AARCH64_LD_GOT_LO12_NC,
0},
/* 0-15 bits of address/value: MOVk, no check. */
{"gotoff_g0_nc", 0,
0, /* adr_type */
0,
BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC,
0,
0,
0},
/* Most significant bits 16-31 of address/value: MOVZ. */
{"gotoff_g1", 0,
0, /* adr_type */
@ -4676,6 +4685,7 @@ process_movw_reloc_info (void)
case BFD_RELOC_AARCH64_MOVW_G0:
case BFD_RELOC_AARCH64_MOVW_G0_NC:
case BFD_RELOC_AARCH64_MOVW_G0_S:
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC:
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0:
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0_NC:
case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0:
@ -6799,6 +6809,7 @@ md_apply_fix (fixS * fixP, valueT * valP, segT seg)
case BFD_RELOC_AARCH64_MOVW_G0:
case BFD_RELOC_AARCH64_MOVW_G0_NC:
case BFD_RELOC_AARCH64_MOVW_G0_S:
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC:
scale = 0;
goto movw_common;
case BFD_RELOC_AARCH64_MOVW_G1:

5
gas/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2015-10-02 Renlin Li <renlin.li@arm.com>
* gas/aarch64/reloc-gotoff_g0_nc.s: New.
* gas/aarch64/reloc-gotoff_g0_nc.d: New.
2015-10-02 Renlin Li <renlin.li@arm.com>
* gas/aarch64/reloc-gotoff_g1.s: New.

9
gas/testsuite/gas/aarch64/reloc-gotoff_g0_nc.d Normal file
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@ -0,0 +1,9 @@
#objdump: -dr
.*: file format .*
Disassembly of section \.text:
0000000000000000 <.*>:
0: f280001c movk x28, #0x0
0: R_AARCH64_MOVW_GOTOFF_G0_NC x

5
gas/testsuite/gas/aarch64/reloc-gotoff_g0_nc.s Normal file
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@ -0,0 +1,5 @@
// Test file for AArch64 GAS -- gotoff_g0_nc
func:
// BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC
movk x28, #:gotoff_g0_nc:x