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authorRenlin Li <renlin.li@arm.com>2015-10-02 15:18:51 +0100
committerRenlin Li <renlin.li@arm.com>2015-10-02 17:56:07 +0100
commit654248e7f702887c5a43bf402cd6080734f57819 (patch)
tree5b76fecb278592159ba0088a9eb1c01d73755bb8
parenta2e1db00c76bcad0594654d78af76d0e12a217ee (diff)
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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.
Diffstat
-rw-r--r--bfd/ChangeLog8
-rw-r--r--bfd/bfd-in2.h4
-rw-r--r--bfd/elfnn-aarch64.c15
-rw-r--r--bfd/libbfd.h1
-rw-r--r--bfd/reloc.c5
-rw-r--r--gas/ChangeLog7
-rw-r--r--gas/config/tc-aarch64.c12
-rw-r--r--gas/testsuite/ChangeLog5
-rw-r--r--gas/testsuite/gas/aarch64/reloc-gotoff_g1.d9
-rw-r--r--gas/testsuite/gas/aarch64/reloc-gotoff_g1.s5
10 files changed, 71 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 1413d10..c3b0cc9 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -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
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index 0d096f9..9c4b349 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -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,
diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c
index adef278..7349ad7 100644
--- a/bfd/elfnn-aarch64.c
+++ b/bfd/elfnn-aarch64.c
@@ -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 */
diff --git a/bfd/libbfd.h b/bfd/libbfd.h
index fc70e29..ae5b2b0 100644
--- a/bfd/libbfd.h
+++ b/bfd/libbfd.h
@@ -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",
diff --git a/bfd/reloc.c b/bfd/reloc.c
index caa6fb4..750a612 100644
--- a/bfd/reloc.c
+++ b/bfd/reloc.c
@@ -6790,6 +6790,11 @@ ENUMDOC
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
Unsigned 15 bit byte offset for 64 bit load/store from the page of
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 5420973..0492801 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -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.
diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
index b97a090..1b0e69b 100644
--- a/gas/config/tc-aarch64.c
+++ b/gas/config/tc-aarch64.c
@@ -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"));
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index f4c2dad..5f5e35c 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -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.
diff --git a/gas/testsuite/gas/aarch64/reloc-gotoff_g1.d b/gas/testsuite/gas/aarch64/reloc-gotoff_g1.d
new file mode 100644
index 0000000..43e1ee4
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/reloc-gotoff_g1.d
@@ -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
diff --git a/gas/testsuite/gas/aarch64/reloc-gotoff_g1.s b/gas/testsuite/gas/aarch64/reloc-gotoff_g1.s
new file mode 100644
index 0000000..f1036a1
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/reloc-gotoff_g1.s
@@ -0,0 +1,5 @@
+// Test file for AArch64 GAS -- gotoff_g1
+
+func:
+ // BFD_RELOC_AARCH64_MOVW_GOTOFF_G1
+ movz x28, #:gotoff_g1:x
generated by cgit v1.1 at 2024-11-21 19:41:13 +0000