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[GAS][AARCH64]Add BFD_RELOC_AARCH64_MOVW_GOTOFF_G1 Support. 

bfd/

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

	* reloc.c (BFD_RELOC_AARCH64_MOVW_GOTOFF_G1): New.
	* elfnn-aarch64.c (elfNN_aarch64_howto_table): New entry for
	MOVW_GOTOFF_G1.
	* libbfd.h: Regenerate.
	* bfd-in2.h: Regenerate.

gas/

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

	* config/tc-aarch64.c (reloc_table): New relocation modifier
	gotoff_g1.
	(process_movw_reloc_info): Support newly added modifier.
	(md_apply_fix): Likewise.

gas/testsuite/

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

	* gas/aarch64/reloc-gotoff_g1.s: New.
	* gas/aarch64/reloc-gotoff_g1.d: New.
This commit is contained in:
Renlin Li 2015-10-02 15:18:51 +01:00
parent a2e1db00c7
commit 654248e7f7
10 changed files with 71 additions and 0 deletions
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8
bfd/ChangeLog
View File

@ -1,3 +1,11 @@
2015-010-02 Renlin Li <renlin.li@arm.com>
* reloc.c (BFD_RELOC_AARCH64_MOVW_GOTOFF_G1): New.
* elfnn-aarch64.c (elfNN_aarch64_howto_table): New entry for
MOVW_GOTOFF_G1.
* libbfd.h: Regenerate.
* bfd-in2.h: Regenerate.
2015-10-02 Renlin Li <renlin.li@arm.com>
* elfnn-aarch64.c (aarch64_reloc_got_type): Add

4
bfd/bfd-in2.h
View File

@ -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 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,
/* Unsigned 15 bit byte offset for 64 bit load/store from the page of
the GOT entry for this symbol. Valid in LP64 ABI only. */
BFD_RELOC_AARCH64_LD64_GOTOFF_LO15,

15
bfd/elfnn-aarch64.c
View File

@ -884,6 +884,21 @@ static reloc_howto_type elfNN_aarch64_howto_table[] =
0xffc, /* dst_mask */
FALSE), /* pcrel_offset */
/* Higher 16 bits of GOT offset for the symbol. */
HOWTO64 (AARCH64_R (MOVW_GOTOFF_G1), /* type */
16, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (MOVW_GOTOFF_G1), /* name */
FALSE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
FALSE), /* pcrel_offset */
/* LD64: GOT offset for the symbol. */
HOWTO64 (AARCH64_R (LD64_GOTOFF_LO15), /* type */
3, /* rightshift */

1
bfd/libbfd.h
View File

@ -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_G1",
"BFD_RELOC_AARCH64_LD64_GOTOFF_LO15",
"BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14",
"BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15",

5
bfd/reloc.c
View File

@ -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_G1
ENUMDOC
Unsigned 16 bit byte higher offset for 64 bit load/store from the GOT entry
for this symbol. Valid in LP64 ABI only.
ENUM
BFD_RELOC_AARCH64_LD64_GOTOFF_LO15
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_g1.
(process_movw_reloc_info): Support newly added modifier.
(md_apply_fix): Likewise.
2015-09-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
* doc/c-s390.texi: Add documentation.

12
gas/config/tc-aarch64.c
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@ -2455,6 +2455,15 @@ static struct reloc_table_entry reloc_table[] = {
BFD_RELOC_AARCH64_LD_GOT_LO12_NC,
0},
/* Most significant bits 16-31 of address/value: MOVZ. */
{"gotoff_g1", 0,
0, /* adr_type */
0,
BFD_RELOC_AARCH64_MOVW_GOTOFF_G1,
0,
0,
0},
/* 15 bit offset into the page containing GOT entry for that symbol. */
{"gotoff_lo15", 0,
0, /* adr_type */
@ -4676,6 +4685,7 @@ process_movw_reloc_info (void)
case BFD_RELOC_AARCH64_MOVW_G1:
case BFD_RELOC_AARCH64_MOVW_G1_NC:
case BFD_RELOC_AARCH64_MOVW_G1_S:
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1:
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1_NC:
case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1:
@ -6794,6 +6804,7 @@ md_apply_fix (fixS * fixP, valueT * valP, segT seg)
case BFD_RELOC_AARCH64_MOVW_G1:
case BFD_RELOC_AARCH64_MOVW_G1_NC:
case BFD_RELOC_AARCH64_MOVW_G1_S:
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
scale = 16;
goto movw_common;
case BFD_RELOC_AARCH64_MOVW_G2:
@ -6824,6 +6835,7 @@ md_apply_fix (fixS * fixP, valueT * valP, segT seg)
case BFD_RELOC_AARCH64_MOVW_G1:
case BFD_RELOC_AARCH64_MOVW_G2:
case BFD_RELOC_AARCH64_MOVW_G3:
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
if (unsigned_overflow (value, scale + 16))
as_bad_where (fixP->fx_file, fixP->fx_line,
_("unsigned value out of range"));

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_g1.s: New.
* gas/aarch64/reloc-gotoff_g1.d: New.
2015-09-30 Alan Modra <amodra@gmail.com>
* gas/ppc/ppc.exp (e500-ill): Pass -me500.

9
gas/testsuite/gas/aarch64/reloc-gotoff_g1.d Normal file
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@ -0,0 +1,9 @@
#objdump: -dr
.*: file format .*
Disassembly of section \.text:
0000000000000000 <.*>:
0: d2a0001c movz x28, #0x0, lsl #16
0: R_AARCH64_MOVW_GOTOFF_G1 x

5
gas/testsuite/gas/aarch64/reloc-gotoff_g1.s Normal file
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@ -0,0 +1,5 @@
// Test file for AArch64 GAS -- gotoff_g1
func:
// BFD_RELOC_AARCH64_MOVW_GOTOFF_G1
movz x28, #:gotoff_g1:x