[AArch64][5/6] GAS support TLSLD load/store relocation types

2015-08-19  Jiong Wang  <jiong.wang@arm.com>

bfd/
  * reloc.c: New entries, including
  BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12,
  BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC,
  BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12,
  BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC,
  BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12,
  BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC.
  BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12,
  BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC.
  * elfnn-aarch64.c (elfNN_aarch64_howto_table): Likewise.
  * bfd-in2.h: Regenerate.
  * libbfd.h: Regenerate.

gas/
  * config/tc-aarch64.c (reloc_table): New relocation types support for
  dtprel_lo12.
  (ldst_lo12_determine_real_reloc_type): Support
  BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12,
  BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC,
  BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12,
  BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC,
  BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12,
  BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC,
  BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12,
  BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC.
  (parse_operands): Likewise.
  (md_apply_fix): Likewise
  (aarch64_force_relocation): Likewise.
  (process_movw_reloc_info): Likewise.

gas/testsuite/
  * gas/aarch64/reloc-dtprel_lo12-ldst8.s: New testcase.
  * gas/aarch64/reloc-dtprel_lo12_nc-ldstc.s: Likewise.
  * gas/aarch64/reloc-dtprel_lo12-ldst16.s: Likewise.
  * gas/aarch64/reloc-dtprel_lo12_nc-ldst16.s: Likewise.
  * gas/aarch64/reloc-dtprel_lo12-ldst32.s: Likewise.
  * gas/aarch64/reloc-dtprel_lo12_nc-ldst32.s: Likewise.
  * gas/aarch64/reloc-dtprel_lo12-ldst64.s: Likewise.
  * gas/aarch64/reloc-dtprel_lo12_nc-ldst64.s: Likewise.
  * gas/aarch64/reloc-dtprel_lo12-ldst8.d: New expectation file.
  * gas/aarch64/reloc-dtprel_lo12_nc-ldst8.d: Likewise.
  * gas/aarch64/reloc-dtprel_lo12-ldst16.d: Likewise.
  * gas/aarch64/reloc-dtprel_lo12_nc-ldst16.d: Likewise.
  * gas/aarch64/reloc-dtprel_lo12-ldst32.d: Likewise.
  * gas/aarch64/reloc-dtprel_lo12_nc-ldst32.d: Likewise.
  * gas/aarch64/reloc-dtprel-lo12-ldst64.d: Likewise.
  * gas/aarch64/reloc-dtprel_lo12_nc-ldst64.d: Likewise.

5 files changed, 226 insertions, 1 deletions

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index a106380..4edf56d 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,19 @@
 2015-08-19  Jiong Wang  <jiong.wang@arm.com>
 
+	* reloc.c (BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12,
+	BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC,
+	BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12,
+	BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC,
+	BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12,
+	BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC.
+	BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12,
+	BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC): New entries.
+	* elfnn-aarch64.c (elfNN_aarch64_howto_table): Likewise.
+	* bfd-in2.h: Regenerate.
+	* libbfd.h: Regenerate.
+
+2015-08-19  Jiong Wang  <jiong.wang@arm.com>
+
 	PR ld/18276
 	* elfnn-aarch64.c (IS_AARCH64_TLS_RELOC): Recognize new relocation
 	types, including BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_HI12,
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index 7a5ff76..6ba3641 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -5815,6 +5815,34 @@ instruction.  */
 /* GOT entry address for AArch64 TLS Local Dynamic, used with ADR instruction.  */
   BFD_RELOC_AARCH64_TLSLD_ADR_PREL21,
 
+/* bit[11:1] of byte offset to module TLS base address, encoded in ldst
+instructions.  */
+  BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12,
+
+/* Similar as BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12, but no overflow check.  */
+  BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC,
+
+/* bit[11:2] of byte offset to module TLS base address, encoded in ldst
+instructions.  */
+  BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12,
+
+/* Similar as BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12, but no overflow check.  */
+  BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC,
+
+/* bit[11:3] of byte offset to module TLS base address, encoded in ldst
+instructions.  */
+  BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12,
+
+/* Similar as BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12, but no overflow check.  */
+  BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC,
+
+/* bit[11:0] of byte offset to module TLS base address, encoded in ldst
+instructions.  */
+  BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12,
+
+/* Similar as BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12, but no overflow check.  */
+  BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC,
+
 /* bit[15:0] of byte offset to module TLS base address.  */
   BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0,
 
@@ -5929,6 +5957,14 @@ assembler and not (currently) written to any object files.  */
 address.  Used in conjunction with BFD_RELOC_AARCH64_ADR_HI21_PCREL.  */
   BFD_RELOC_AARCH64_LDST_LO12,
 
+/* AArch64 pseudo relocation code for TLS local dynamic mode.  It's to be
+used internally by the AArch64 assembler and not (currently) written to
+any object files.  */
+  BFD_RELOC_AARCH64_TLSLD_LDST_DTPREL_LO12,
+
+/* Similar as BFD_RELOC_AARCH64_TLSLD_LDST_DTPREL_LO12, but no overflow check.  */
+  BFD_RELOC_AARCH64_TLSLD_LDST_DTPREL_LO12_NC,
+
 /* AArch64 pseudo relocation code to be used internally by the AArch64
 assembler and not (currently) written to any object files.  */
   BFD_RELOC_AARCH64_LD_GOT_LO12_NC,
diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c
index eb79922..083bb0f 100644
--- a/bfd/elfnn-aarch64.c
+++ b/bfd/elfnn-aarch64.c
@@ -1139,6 +1139,126 @@ static reloc_howto_type elfNN_aarch64_howto_table[] =
 	 0x1fffff,		/* dst_mask */
 	 TRUE),			/* pcrel_offset */
 
+  /* LD/ST16: bit[11:1] of byte offset to module TLS base address.  */
+  HOWTO64 (AARCH64_R (TLSLD_LDST16_DTPREL_LO12),	/* type */
+	 1,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 11,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 10,			/* bitpos */
+	 complain_overflow_unsigned,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 AARCH64_R_STR (TLSLD_LDST16_DTPREL_LO12),	/* name */
+	 FALSE,			/* partial_inplace */
+	 0x1ffc00,		/* src_mask */
+	 0x1ffc00,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  /* Same as BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12, but no overflow check.  */
+  HOWTO64 (AARCH64_R (TLSLD_LDST16_DTPREL_LO12_NC),	/* type */
+	 1,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 11,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 10,			/* bitpos */
+	 complain_overflow_dont,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 AARCH64_R_STR (TLSLD_LDST16_DTPREL_LO12_NC),	/* name */
+	 FALSE,			/* partial_inplace */
+	 0x1ffc00,		/* src_mask */
+	 0x1ffc00,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  /* LD/ST32: bit[11:2] of byte offset to module TLS base address.  */
+  HOWTO64 (AARCH64_R (TLSLD_LDST32_DTPREL_LO12),	/* type */
+	 2,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 10,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 10,			/* bitpos */
+	 complain_overflow_unsigned,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 AARCH64_R_STR (TLSLD_LDST32_DTPREL_LO12),	/* name */
+	 FALSE,			/* partial_inplace */
+	 0x3ffc00,		/* src_mask */
+	 0x3ffc00,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  /* Same as BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12, but no overflow check.  */
+  HOWTO64 (AARCH64_R (TLSLD_LDST32_DTPREL_LO12_NC),	/* type */
+	 2,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 10,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 10,			/* bitpos */
+	 complain_overflow_dont,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 AARCH64_R_STR (TLSLD_LDST32_DTPREL_LO12_NC),	/* name */
+	 FALSE,			/* partial_inplace */
+	 0xffc00,		/* src_mask */
+	 0xffc00,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  /* LD/ST64: bit[11:3] of byte offset to module TLS base address.  */
+  HOWTO64 (AARCH64_R (TLSLD_LDST64_DTPREL_LO12),	/* type */
+	 3,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 9,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 10,			/* bitpos */
+	 complain_overflow_unsigned,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 AARCH64_R_STR (TLSLD_LDST64_DTPREL_LO12),	/* name */
+	 FALSE,			/* partial_inplace */
+	 0x3ffc00,		/* src_mask */
+	 0x3ffc00,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  /* Same as BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12, but no overflow check.  */
+  HOWTO64 (AARCH64_R (TLSLD_LDST64_DTPREL_LO12_NC),	/* type */
+	 3,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 9,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 10,			/* bitpos */
+	 complain_overflow_dont,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 AARCH64_R_STR (TLSLD_LDST64_DTPREL_LO12_NC),	/* name */
+	 FALSE,			/* partial_inplace */
+	 0x7fc00,		/* src_mask */
+	 0x7fc00,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  /* LD/ST8: bit[11:0] of byte offset to module TLS base address.  */
+  HOWTO64 (AARCH64_R (TLSLD_LDST8_DTPREL_LO12),	/* type */
+	 0,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 12,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 10,			/* bitpos */
+	 complain_overflow_unsigned,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 AARCH64_R_STR (TLSLD_LDST8_DTPREL_LO12),	/* name */
+	 FALSE,			/* partial_inplace */
+	 0x3ffc00,		/* src_mask */
+	 0x3ffc00,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  /* Same as BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12, but no overflow check.  */
+  HOWTO64 (AARCH64_R (TLSLD_LDST8_DTPREL_LO12_NC),	/* type */
+	 0,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 12,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 10,			/* bitpos */
+	 complain_overflow_dont,	/* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 AARCH64_R_STR (TLSLD_LDST8_DTPREL_LO12_NC),	/* name */
+	 FALSE,			/* partial_inplace */
+	 0x3ffc00,		/* src_mask */
+	 0x3ffc00,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
   /* MOVZ: bit[15:0] of byte offset to module TLS base address.  */
   HOWTO (AARCH64_R (TLSLD_MOVW_DTPREL_G0),	/* type */
 	 0,			/* rightshift */
diff --git a/bfd/libbfd.h b/bfd/libbfd.h
index 5b3359c..fc70e29 100644
--- a/bfd/libbfd.h
+++ b/bfd/libbfd.h
@@ -2765,6 +2765,14 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
   "BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC",
   "BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21",
   "BFD_RELOC_AARCH64_TLSLD_ADR_PREL21",
+  "BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12",
+  "BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC",
+  "BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12",
+  "BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC",
+  "BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12",
+  "BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC",
+  "BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12",
+  "BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC",
   "BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0",
   "BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0_NC",
   "BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1",
@@ -2801,6 +2809,8 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
   "BFD_RELOC_AARCH64_RELOC_END",
   "BFD_RELOC_AARCH64_GAS_INTERNAL_FIXUP",
   "BFD_RELOC_AARCH64_LDST_LO12",
+  "BFD_RELOC_AARCH64_TLSLD_LDST_DTPREL_LO12",
+  "BFD_RELOC_AARCH64_TLSLD_LDST_DTPREL_LO12_NC",
   "BFD_RELOC_AARCH64_LD_GOT_LO12_NC",
   "BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_LO12_NC",
   "BFD_RELOC_AARCH64_TLSDESC_LD_LO12_NC",
diff --git a/bfd/reloc.c b/bfd/reloc.c
index 90ddfb5..3d329a5 100644
--- a/bfd/reloc.c
+++ b/bfd/reloc.c
@@ -6871,6 +6871,42 @@ ENUM
 ENUMDOC
   GOT entry address for AArch64 TLS Local Dynamic, used with ADR instruction.
 ENUM
+  BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12
+ENUMDOC
+  bit[11:1] of byte offset to module TLS base address, encoded in ldst
+  instructions.
+ENUM
+  BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC
+ENUMDOC
+  Similar as BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12, but no overflow check.
+ENUM
+  BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12
+ENUMDOC
+  bit[11:2] of byte offset to module TLS base address, encoded in ldst
+  instructions.
+ENUM
+  BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC
+ENUMDOC
+  Similar as BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12, but no overflow check.
+ENUM
+  BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12
+ENUMDOC
+  bit[11:3] of byte offset to module TLS base address, encoded in ldst
+  instructions.
+ENUM
+  BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC
+ENUMDOC
+  Similar as BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12, but no overflow check.
+ENUM
+  BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12
+ENUMDOC
+  bit[11:0] of byte offset to module TLS base address, encoded in ldst
+  instructions.
+ENUM
+  BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC
+ENUMDOC
+  Similar as BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12, but no overflow check.
+ENUM
   BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0
 ENUMDOC
   bit[15:0] of byte offset to module TLS base address.
@@ -7021,6 +7057,16 @@ ENUMDOC
   AArch64 unspecified load/store instruction, holding bits 0 to 11 of the
   address.  Used in conjunction with BFD_RELOC_AARCH64_ADR_HI21_PCREL.
 ENUM
+  BFD_RELOC_AARCH64_TLSLD_LDST_DTPREL_LO12
+ENUMDOC
+  AArch64 pseudo relocation code for TLS local dynamic mode.  It's to be
+  used internally by the AArch64 assembler and not (currently) written to
+  any object files.
+ENUM
+  BFD_RELOC_AARCH64_TLSLD_LDST_DTPREL_LO12_NC
+ENUMDOC
+  Similar as BFD_RELOC_AARCH64_TLSLD_LDST_DTPREL_LO12, but no overflow check.
+ENUM
   BFD_RELOC_AARCH64_LD_GOT_LO12_NC
 ENUMDOC
   AArch64 pseudo relocation code to be used internally by the AArch64
@@ -7035,7 +7081,6 @@ ENUM
 ENUMDOC
   AArch64 pseudo relocation code to be used internally by the AArch64
   assembler and not (currently) written to any object files.
-
 ENUM
   BFD_RELOC_TILEPRO_COPY
 ENUMX