PowerPC relocations for prefix insns

include/
	* elf/ppc64.h (R_PPC64_PLTSEQ_NOTOC, R_PPC64_PLTCALL_NOTOC),
	(R_PPC64_PCREL_OPT, R_PPC64_D34, R_PPC64_D34_LO, R_PPC64_D34_HI30),
	(R_PPC64_D34_HA30, R_PPC64_PCREL34, R_PPC64_GOT_PCREL34),
	(R_PPC64_PLT_PCREL34, R_PPC64_PLT_PCREL34_NOTOC),
	(R_PPC64_ADDR16_HIGHER34, R_PPC64_ADDR16_HIGHERA34),
	(R_PPC64_ADDR16_HIGHEST34, R_PPC64_ADDR16_HIGHESTA34),
	(R_PPC64_REL16_HIGHER34, R_PPC64_REL16_HIGHERA34),
	(R_PPC64_REL16_HIGHEST34, R_PPC64_REL16_HIGHESTA34),
	(R_PPC64_D28, R_PPC64_PCREL28): Define.
bfd/
	* reloc.c (BFD_RELOC_PPC64_D34, BFD_RELOC_PPC64_D34_LO),
	(BFD_RELOC_PPC64_D34_HI30, BFD_RELOC_PPC64_D34_HA30),
	(BFD_RELOC_PPC64_PCREL34, BFD_RELOC_PPC64_GOT_PCREL34),
	(BFD_RELOC_PPC64_PLT_PCREL34),
	(BFD_RELOC_PPC64_ADDR16_HIGHER34, BFD_RELOC_PPC64_ADDR16_HIGHERA34),
	(BFD_RELOC_PPC64_ADDR16_HIGHEST34, BFD_RELOC_PPC64_ADDR16_HIGHESTA34),
	(BFD_RELOC_PPC64_REL16_HIGHER34, BFD_RELOC_PPC64_REL16_HIGHERA34),
	(BFD_RELOC_PPC64_REL16_HIGHEST34, BFD_RELOC_PPC64_REL16_HIGHESTA34),
	(BFD_RELOC_PPC64_D28, BFD_RELOC_PPC64_PCREL28): New reloc enums.
	* elf64-ppc.c (PNOP): Define.
	(ppc64_elf_howto_raw): Add reloc howtos for new relocations.
	(ppc64_elf_reloc_type_lookup): Translate new bfd reloc numbers.
	(ppc64_elf_ha_reloc): Adjust addend for highera34 and highesta34
	relocs.
	(ppc64_elf_prefix_reloc): New function.
	(struct ppc_link_hash_table): Add notoc_plt.
	(is_branch_reloc): Add R_PPC64_PLTCALL_NOTOC.
	(is_plt_seq_reloc): Add R_PPC64_PLT_PCREL34,
	R_PPC64_PLT_PCREL34_NOTOC, and R_PPC64_PLTSEQ_NOTOC.
	(ppc64_elf_check_relocs): Handle pcrel got and plt relocs.  Set
	has_pltcall for section on seeing R_PPC64_PLTCALL_NOTOC.  Handle
	possible need for dynamic relocs on non-pcrel powerxx relocs.
	(dec_dynrel_count): Handle non-pcrel powerxx relocs.
	(ppc64_elf_inline_plt): Handle R_PPC64_PLTCALL_NOTOC.
	(toc_adjusting_stub_needed): Likewise.
	(ppc64_elf_tls_optimize): Handle R_PPC64_PLTSEQ_NOTOC.
	(ppc64_elf_relocate_section): Handle new powerxx relocs.
	* bfd-in2.h: Regenerate.
	* libbfd.h: Regenerate.
gas/
	* config/tc-ppc.c (ppc_elf_suffix): Support @pcrel, @got@pcrel,
	@plt@pcrel, @higher34, @highera34, @highest34, and @highesta34.
	(fixup_size): Handle new powerxx relocs.
	(md_assemble): Warn for @pcrel on non-prefix insns.
	Accept @l, @h and @ha on prefix insns, and infer reloc without
	any @ suffix.  Translate powerxx relocs to suit DQ and DS field
	instructions.  Include operand tests as well as opcode test to
	translate BFD_RELOC_HI16_S to BFD_RELOC_PPC_16DX_HA.
	(ppc_fix_adjustable): Return false for pcrel GOT and PLT relocs.
	(md_apply_fix): Handle new powerxx relocs.
	* config/tc-ppc.h (TC_FORCE_RELOCATION_SUB_LOCAL): Accept
	BFD_RELOC_PPC64_ADDR16_HIGHER34, BFD_RELOC_PPC64_ADDR16_HIGHERA34,
	BFD_RELOC_PPC64_ADDR16_HIGHEST34, BFD_RELOC_PPC64_ADDR16_HIGHESTA34,
	BFD_RELOC_PPC64_D34, and BFD_RELOC_PPC64_D28.
	* testsuite/gas/ppc/prefix-reloc.d,
	* testsuite/gas/ppc/prefix-reloc.s: New test.
	* testsuite/gas/ppc/ppc.exp: Run it.

2 files changed, 36 insertions, 0 deletions

diff --git a/include/ChangeLog b/include/ChangeLog
index c02b33a..2e84084 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,15 @@
+2019-05-24  Alan Modra  <amodra@gmail.com>
+
+	* elf/ppc64.h (R_PPC64_PLTSEQ_NOTOC, R_PPC64_PLTCALL_NOTOC),
+	(R_PPC64_PCREL_OPT, R_PPC64_D34, R_PPC64_D34_LO, R_PPC64_D34_HI30),
+	(R_PPC64_D34_HA30, R_PPC64_PCREL34, R_PPC64_GOT_PCREL34),
+	(R_PPC64_PLT_PCREL34, R_PPC64_PLT_PCREL34_NOTOC),
+	(R_PPC64_ADDR16_HIGHER34, R_PPC64_ADDR16_HIGHERA34),
+	(R_PPC64_ADDR16_HIGHEST34, R_PPC64_ADDR16_HIGHESTA34),
+	(R_PPC64_REL16_HIGHER34, R_PPC64_REL16_HIGHERA34),
+	(R_PPC64_REL16_HIGHEST34, R_PPC64_REL16_HIGHESTA34),
+	(R_PPC64_D28, R_PPC64_PCREL28): Define.
+
 2019-05-24  Peter Bergner  <bergner@linux.ibm.com>
 	    Alan Modra  <amodra@gmail.com>
 
diff --git a/include/elf/ppc64.h b/include/elf/ppc64.h
index 6dd29cd..e90c7fd 100644
--- a/include/elf/ppc64.h
+++ b/include/elf/ppc64.h
@@ -158,6 +158,30 @@ START_RELOC_NUMBERS (elf_ppc64_reloc_type)
   RELOC_NUMBER (R_PPC64_PLTSEQ,		   119)
   RELOC_NUMBER (R_PPC64_PLTCALL,	   120)
 
+/* Powerxx support.  */
+  RELOC_NUMBER (R_PPC64_PLTSEQ_NOTOC,	   121)
+  RELOC_NUMBER (R_PPC64_PLTCALL_NOTOC,	   122)
+  RELOC_NUMBER (R_PPC64_PCREL_OPT,	   123)
+
+  RELOC_NUMBER (R_PPC64_D34,		   128)
+  RELOC_NUMBER (R_PPC64_D34_LO,		   129)
+  RELOC_NUMBER (R_PPC64_D34_HI30,	   130)
+  RELOC_NUMBER (R_PPC64_D34_HA30,	   131)
+  RELOC_NUMBER (R_PPC64_PCREL34,	   132)
+  RELOC_NUMBER (R_PPC64_GOT_PCREL34,	   133)
+  RELOC_NUMBER (R_PPC64_PLT_PCREL34,	   134)
+  RELOC_NUMBER (R_PPC64_PLT_PCREL34_NOTOC, 135)
+  RELOC_NUMBER (R_PPC64_ADDR16_HIGHER34,   136)
+  RELOC_NUMBER (R_PPC64_ADDR16_HIGHERA34,  137)
+  RELOC_NUMBER (R_PPC64_ADDR16_HIGHEST34,  138)
+  RELOC_NUMBER (R_PPC64_ADDR16_HIGHESTA34, 139)
+  RELOC_NUMBER (R_PPC64_REL16_HIGHER34,    140)
+  RELOC_NUMBER (R_PPC64_REL16_HIGHERA34,   141)
+  RELOC_NUMBER (R_PPC64_REL16_HIGHEST34,   142)
+  RELOC_NUMBER (R_PPC64_REL16_HIGHESTA34,  143)
+  RELOC_NUMBER (R_PPC64_D28,		   144)
+  RELOC_NUMBER (R_PPC64_PCREL28,	   145)
+
 #ifndef RELOC_MACROS_GEN_FUNC
 /* Relocation only used internally by gas or ld.  If you need to use
    these reloc numbers, you can change them to some other unused value