This is the mail archive of the binutils@sources.redhat.com mailing list for the binutils project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: sh64-elf (SH5) port: directories include and include/elf


On Feb  3, 2002, Alexandre Oliva <aoliva@redhat.com> wrote:

> I'm extremely pleased to contribute the SH5 port of binutils,
> developed mostly by Hans-Peter Nilsson, with some contributions by DJ
> Delorie and Ben Elliston, later extended to support PIC by myself.

Index: include/ChangeLog
from  Alexandre Oliva  <aoliva@redhat.com>

	Contribute sh64-elf.
	2000-11-25  Hans-Peter Nilsson  <hpn@cygnus.com>
	* dis-asm.h (print_insn_sh64): New prototype.
	(print_insn_sh64l): New prototype.
	(print_insn_sh64x_media): New prototype.

Index: include/dis-asm.h
===================================================================
RCS file: /home/aoliva/cygnus/uberbaum/include/dis-asm.h,v
retrieving revision 1.30
diff -u -p -r1.30 dis-asm.h
--- include/dis-asm.h 31 Jan 2002 17:33:01 -0000 1.30
+++ include/dis-asm.h 2 Feb 2002 04:00:47 -0000
@@ -229,6 +229,9 @@ extern int print_insn_v850		PARAMS ((bfd
 extern int print_insn_vax		PARAMS ((bfd_vma, disassemble_info*));
 extern int print_insn_w65		PARAMS ((bfd_vma, disassemble_info*));
 extern int print_insn_xstormy16		PARAMS ((bfd_vma, disassemble_info*));
+extern int print_insn_sh64		PARAMS ((bfd_vma, disassemble_info *));
+extern int print_insn_sh64l		PARAMS ((bfd_vma, disassemble_info *));
+extern int print_insn_sh64x_media	PARAMS ((bfd_vma, disassemble_info *));
 
 extern disassembler_ftype arc_get_disassembler PARAMS ((void *));
 extern disassembler_ftype cris_get_disassembler PARAMS ((bfd *));
Index: include/elf/ChangeLog
from  Alexandre Oliva  <aoliva@redhat.com>

	Contribute sh64-elf.
	2002-01-23  Alexandre Oliva  <aoliva@redhat.com>
	* sh.h (R_SH_GOTPLT32, R_SH_GOT_LOW16, R_SH_GOT_MEDLOW16,
	R_SH_GOT_MEDHI16, R_SH_GOT_HI16, R_SH_GOTPLT_LOW16,
	R_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_HI16,
	R_SH_PLT_LOW16, R_SH_PLT_MEDLOW16, R_SH_PLT_MEDHI16,
	R_SH_PLT_HI16, R_SH_GOTOFF_LOW16, R_SH_GOTOFF_MEDLOW16,
	R_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_HI16, R_SH_GOTPC_LOW16,
	R_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDHI16, R_SH_GOTPC_HI16,
	R_SH_GOT10BY4, R_SH_GOTPLT10BY4, R_SH_GOT10BY8,
	R_SH_GOTPLT10BY8, R_SH_COPY64, R_SH_GLOB_DAT64, R_SH_JMP_SLOT64,
	R_SH_RELATIVE64): New relocs.
	(R_SH_FIRST_INVALID_RELOC_4): Adjust.
	2001-05-16  Alexandre Oliva  <aoliva@redhat.com>
	* sh.h: Renumbered and renamed some SH5 relocations to match
	official numbers and names; moved unmaching ones to the range
	0xf2-0xff.
	2001-01-06  Hans-Peter Nilsson  <hpn@cygnus.com>
	* sh.h (sh64_get_contents_type): Declare.
	(sh64_address_is_shmedia): Likewise.
	2000-12-30  Hans-Peter Nilsson  <hpn@cygnus.com>
	* sh.h (sh64_elf_crange): New type.
	(struct sh64_section_data): New.
	(sh64_elf_section_data): New macro.
	(EF_SH5): Rename back from EF_SH64.
	2000-12-18  Hans-Peter Nilsson  <hpn@cygnus.com>
	* sh.h (SHF_SH5_ISA32_MIXED, SHT_SH5_CR_SORTED,
	SH64_CRANGES_SECTION_NAME, SH64_CRANGE_SIZE,
	SH64_CRANGE_CR_ADDR_OFFSET, SH64_CRANGE_CR_SIZE_OFFSET,
	SH64_CRANGE_CR_TYPE_OFFSET): New macros.
	2000-12-12  Hans-Peter Nilsson  <hpn@cygnus.com>
	* sh.h (EF_SH64): Don't define EF_SH64_ABI64.
	2000-11-27  Hans-Peter Nilsson  <hpn@cygnus.com>
	* sh.h (EF_SH64_32BIT_ABI, EF_SH64_64BIT_ABI): Delete.
	(EF_SH64_ABI64): New.
	2000-11-23  Hans-Peter Nilsson  <hpn@cygnus.com>
	* sh.h (EF_SH64): Rename from EF_SH5.
	(EF_SH64_32BIT_ABI): New.
	(EF_SH64_64BIT_ABI): New.
	(R_SH_PT_16, R_SH_SHMEDIA_CODE
	R_SH_IMMU5, R_SH_IMMS6, R_SH_IMMU6, R_SH_IMMS10, R_SH_IMMS10BY2,
	R_SH_IMMS10BY4, R_SH_IMMS10BY8, R_SH_IMMS16, R_SH_IMMU16,
	R_SH_IMM_LOW16, R_SH_IMM_LOW16_PCREL, R_SH_IMM_MEDLOW16,
	R_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16_PCREL,
	R_SH_IMM_HI16, R_SH_IMM_HI16_PCREL, R_SH_64, R_SH_64_PCREL): New
	relocs.
	2000-09-01  Ben Elliston  <bje@redhat.com>
	* sh.h (EF_SH5): Define.

Index: include/elf/sh.h
===================================================================
RCS file: /home/aoliva/cygnus/uberbaum/include/elf/sh.h,v
retrieving revision 1.7
diff -u -p -r1.7 sh.h
--- include/elf/sh.h 14 Mar 2001 02:27:44 -0000 1.7
+++ include/elf/sh.h 2 Feb 2002 04:00:47 -0000
@@ -1,5 +1,5 @@
 /* SH ELF support for BFD.
-   Copyright 1998, 2000 Free Software Foundation, Inc.
+   Copyright 1998, 2000, 2001, 2002 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -34,6 +34,9 @@
 #define EF_SH3E		   8
 #define EF_SH4		   9
 
+/* This one can only mix in objects from other EF_SH5 objects.  */
+#define EF_SH5		  10
+
 #define EF_SH_MERGE_MACH(mach1, mach2) \
   (((((mach1) == EF_SH3 || (mach1) == EF_SH_UNKNOWN) && (mach2) == EF_SH_DSP) \
     || ((mach1) == EF_SH_DSP \
@@ -47,6 +50,77 @@
    ? EF_SH4 \
    : ((mach1) > (mach2) ? (mach1) : (mach2)))
 
+/* Flags for the st_other symbol field.
+   Keep away from the STV_ visibility flags (bit 0..1).  */
+
+/* A reference to this symbol should by default add 1.  */
+#define STO_SH5_ISA32 (1 << 2)
+
+/* Section contains only SHmedia code (no SHcompact code).  */
+#define SHF_SH5_ISA32		0x40000000
+
+/* Section contains both SHmedia and SHcompact code, and possibly also
+   constants.  */
+#define SHF_SH5_ISA32_MIXED	0x20000000
+
+/* If applied to a .cranges section, marks that the section is sorted by
+   increasing cr_addr values.  */
+#define SHT_SH5_CR_SORTED 0x80000001
+
+/* Symbol should be handled as DataLabel (attached to global SHN_UNDEF
+   symbols).  */
+#define STT_DATALABEL STT_LOPROC
+
+#define SH64_CRANGES_SECTION_NAME ".cranges"
+enum sh64_elf_cr_type {
+  CRT_NONE = 0,
+  CRT_DATA = 1,
+  CRT_SH5_ISA16 = 2,
+  CRT_SH5_ISA32 = 3
+};
+
+/* The official definition is this:
+
+    typedef struct {
+      Elf32_Addr cr_addr;
+      Elf32_Word cr_size;
+      Elf32_Half cr_type;
+    } Elf32_CRange;
+
+   but we have no use for that exact type.  Instead we use this struct for
+   the internal representation.  */
+typedef struct {
+  bfd_vma cr_addr;
+  bfd_size_type cr_size;
+  enum sh64_elf_cr_type cr_type;
+} sh64_elf_crange;
+
+#define SH64_CRANGE_SIZE (4 + 4 + 2)
+#define SH64_CRANGE_CR_ADDR_OFFSET 0
+#define SH64_CRANGE_CR_SIZE_OFFSET 4
+#define SH64_CRANGE_CR_TYPE_OFFSET (4 + 4)
+
+/* Get the contents type of an arbitrary address, or return CRT_NONE.  */
+extern enum sh64_elf_cr_type sh64_get_contents_type
+  PARAMS ((asection *, bfd_vma, sh64_elf_crange *));
+
+/* Simpler interface.
+   FIXME: This seems redundant now that we export the interface above.  */
+extern boolean sh64_address_is_shmedia PARAMS ((asection *, bfd_vma));
+
+/* We put this in elf_section_data (section)->tdata.  */
+struct sh64_section_data
+{
+  flagword contents_flags;
+
+  /* Only used in the cranges section, but we don't have an official
+     backend-specific bfd field.  */
+  bfd_size_type cranges_growth;
+};
+
+#define sh64_elf_section_data(sec) \
+  ((struct sh64_section_data *) ((elf_section_data (sec))->tdata))
+
 #include "elf/reloc-macros.h"
 
 /* Relocations.  */
@@ -79,7 +153,16 @@ START_RELOC_NUMBERS (elf_sh_reloc_type)
   RELOC_NUMBER (R_SH_LOOP_START, 36)
   RELOC_NUMBER (R_SH_LOOP_END, 37)
   FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_2, 38)
-  FAKE_RELOC (R_SH_LAST_INVALID_RELOC_2, 159)
+  FAKE_RELOC (R_SH_LAST_INVALID_RELOC_2, 44)
+  RELOC_NUMBER (R_SH_DIR5U, 45)
+  RELOC_NUMBER (R_SH_DIR6U, 46)
+  RELOC_NUMBER (R_SH_DIR6S, 47)
+  RELOC_NUMBER (R_SH_DIR10S, 48)
+  RELOC_NUMBER (R_SH_DIR10SW, 49)
+  RELOC_NUMBER (R_SH_DIR10SL, 50)
+  RELOC_NUMBER (R_SH_DIR10SQ, 51)
+  FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_3, 52)
+  FAKE_RELOC (R_SH_LAST_INVALID_RELOC_3, 159)
   RELOC_NUMBER (R_SH_GOT32, 160)
   RELOC_NUMBER (R_SH_PLT32, 161)
   RELOC_NUMBER (R_SH_COPY, 162)
@@ -88,6 +171,51 @@ START_RELOC_NUMBERS (elf_sh_reloc_type)
   RELOC_NUMBER (R_SH_RELATIVE, 165)
   RELOC_NUMBER (R_SH_GOTOFF, 166)
   RELOC_NUMBER (R_SH_GOTPC, 167)
+  RELOC_NUMBER (R_SH_GOTPLT32, 168)
+  RELOC_NUMBER (R_SH_GOT_LOW16, 169)
+  RELOC_NUMBER (R_SH_GOT_MEDLOW16, 170)
+  RELOC_NUMBER (R_SH_GOT_MEDHI16, 171)
+  RELOC_NUMBER (R_SH_GOT_HI16, 172)
+  RELOC_NUMBER (R_SH_GOTPLT_LOW16, 173)
+  RELOC_NUMBER (R_SH_GOTPLT_MEDLOW16, 174)
+  RELOC_NUMBER (R_SH_GOTPLT_MEDHI16, 175)
+  RELOC_NUMBER (R_SH_GOTPLT_HI16, 176)
+  RELOC_NUMBER (R_SH_PLT_LOW16, 177)
+  RELOC_NUMBER (R_SH_PLT_MEDLOW16, 178)
+  RELOC_NUMBER (R_SH_PLT_MEDHI16, 179)
+  RELOC_NUMBER (R_SH_PLT_HI16, 180)
+  RELOC_NUMBER (R_SH_GOTOFF_LOW16, 181)
+  RELOC_NUMBER (R_SH_GOTOFF_MEDLOW16, 182)
+  RELOC_NUMBER (R_SH_GOTOFF_MEDHI16, 183)
+  RELOC_NUMBER (R_SH_GOTOFF_HI16, 184)
+  RELOC_NUMBER (R_SH_GOTPC_LOW16, 185)
+  RELOC_NUMBER (R_SH_GOTPC_MEDLOW16, 186)
+  RELOC_NUMBER (R_SH_GOTPC_MEDHI16, 187)
+  RELOC_NUMBER (R_SH_GOTPC_HI16, 188)
+  RELOC_NUMBER (R_SH_GOT10BY4, 189)
+  RELOC_NUMBER (R_SH_GOTPLT10BY4, 190)
+  RELOC_NUMBER (R_SH_GOT10BY8, 191)
+  RELOC_NUMBER (R_SH_GOTPLT10BY8, 192)
+  RELOC_NUMBER (R_SH_COPY64, 193)
+  RELOC_NUMBER (R_SH_GLOB_DAT64, 194)
+  RELOC_NUMBER (R_SH_JMP_SLOT64, 195)
+  RELOC_NUMBER (R_SH_RELATIVE64, 196)
+  FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_4, 197)
+  FAKE_RELOC (R_SH_LAST_INVALID_RELOC_4, 241)
+  RELOC_NUMBER (R_SH_SHMEDIA_CODE, 242)
+  RELOC_NUMBER (R_SH_PT_16, 243)
+  RELOC_NUMBER (R_SH_IMMS16, 244)
+  RELOC_NUMBER (R_SH_IMMU16, 245)
+  RELOC_NUMBER (R_SH_IMM_LOW16, 246)
+  RELOC_NUMBER (R_SH_IMM_LOW16_PCREL, 247)
+  RELOC_NUMBER (R_SH_IMM_MEDLOW16, 248)
+  RELOC_NUMBER (R_SH_IMM_MEDLOW16_PCREL, 249)
+  RELOC_NUMBER (R_SH_IMM_MEDHI16, 250)
+  RELOC_NUMBER (R_SH_IMM_MEDHI16_PCREL, 251)
+  RELOC_NUMBER (R_SH_IMM_HI16, 252)
+  RELOC_NUMBER (R_SH_IMM_HI16_PCREL, 253)
+  RELOC_NUMBER (R_SH_64, 254)
+  RELOC_NUMBER (R_SH_64_PCREL, 255)
 END_RELOC_NUMBERS (R_SH_max)
 
 #endif

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                  aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp        oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist                Professional serial bug killer

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]