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binutils-gdb/include/elf/v850.h
Nick Clifton 685080f210 Adds support for generating notes in V850 binaries. 
bfd	* elf32-v850.c (v850_set_note): New function.  Creates a Renesas
	style note entry.
	(v850_elf_make_note_section): New function.  Creates a note
	section.
	(v850_elf_create_sections): New function.  Create a note section
	if one is not already present.
	(v850_elf_set_note): New function.  Adds a note to a bfd.
	(v850_elf_copy_private_bfd_data): New function.  Copies V850
	notes.
	(v850_elf_merge_notes): New function.  Merges V850 notes.
	(print_v850_note): New function.  Displays a V850 note.
	(v850_elf_print_notes): New function. Displays all notes attached
	to a bfd.
	(v850_elf_merge_private_bfd_data): Call v850_elf_merge_notes.
	(v850_elf_print_private_bfd_data): Call v850_elf_print_notes.
	(v850_elf_fake_sections): Set the type of the V850 note section.
	* bfd-in.h (v850_elf_create_sections): Add prototype.
	(v850_elf_set_note): Add prototype.
	* bfd-in2.h: Regenerate.

binutils* readelf.c (get_machine_flags): Remove deprecated V850 machine
	flags.
	(get_v850_section_type_name): New function.  Handles V850 special
	sections.
	(get_section_type_name): Add support for V850.
	(get_v850_elf_note_type): New function.  Returns the name of a
	V850 note.
	(print_v850_note): New function.  Prints a V850 note.
	(process_v850_notes): New function.  Prints V850 notes.
	(process_note_sections): Add support for V850.

binutils/testsute
	* binutils-all/objcopy.exp: Skip the strip-10 test for the V850.

gas	* config/tc-v850.c (soft_float): New variable.
	(v850_data_8): New variable.
	(md_show_usage): Add -msoft-float/-mhard-float.
	(md_parse_option): Likewise.
	(md_begin): Set the default value of soft_float.
	(v850_md_end): New function.  Creates a note section.
	* config/tc-v850.h (md_end): Define.
	* doc/c-v850.texi: Document -msoft-float/-mhard-float.

gas/testsuite
	* gas/elf/elf.exp: Add special version of the section2 test for
	the V850.
	* gas/elf/section2.e-v850: New file.

include/elf
	* v850.h (EF_RH850_SIMD): Delete deprecated flag.
	(EF_RH850_CACHE): Likewise.
	(EF_RH850_MMU): Likewise.
	(EF_RH850_DATA_ALIGN8): Likewise.
	(SHT_RENESAS_IOP): Fix typo in name.
	(SHT_RENESAS_INFO): Define.
	(V850_NOTE_SECNAME): Define.
	(SIZEOF_V850_NOTE): Define.
	(V850_NOTE_NAME): Define.
	(enum v850_notes): New enum.
	(NUM_V850_NOTES): Define.

ld/ChangeLog
2015-02-24  Nick Clifton  <nickc@redhat.com>

	* Makefile.am (ev850.c): Add dependency upon
	$(srcdir)/emultempl/v850elf.em.
	(ev850_rh850.c): Likewise.
	* Makefile.in: Regenerate.
	* emultempl/v850elf.em: New file.
	* emulparams/v850.sh (EXTRA_EM_FILE): Define.
	* emulparams/v850_rh850.sh (EXTRA_EM_FILE): Define.
	* scripttempl/v850.sc: Add .note.renesas section.
	* scripttempl/v850_rh850.sc: Likewise.

ld/testsuite
	* ld-elf/extract-symbol-1sec.d: Expect to fail on the V850.
2015-02-24 17:54:09 +00:00

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/* V850 ELF support for BFD.
Copyright (C) 1997-2015 Free Software Foundation, Inc.
Created by Michael Meissner, Cygnus Support <meissner@cygnus.com>
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
/* This file holds definitions specific to the MIPS ELF ABI. Note
that most of this is not actually implemented by BFD. */
#ifndef _ELF_V850_H
#define _ELF_V850_H
/* Processor specific flags for the ELF header e_flags field. */
/* Four bit V850 architecture field. */
#define EF_V850_ARCH 0xf0000000
/* v850 code. */
#define E_V850_ARCH 0x00000000
/* v850e code. */
#define E_V850E_ARCH 0x10000000
/* v850e1 code. */
#define E_V850E1_ARCH 0x20000000
/* v850e2 code. */
#define E_V850E2_ARCH 0x30000000
/* v850e2v3 code. */
#define E_V850E2V3_ARCH 0x40000000
/* v850e3v5 code. */
#define E_V850E3V5_ARCH 0x60000000
/* Flags for the st_other field. */
#define V850_OTHER_SDA 0x10 /* Symbol had SDA relocations. */
#define V850_OTHER_ZDA 0x20 /* Symbol had ZDA relocations. */
#define V850_OTHER_TDA 0x40 /* Symbol had TDA relocations. */
#define V850_OTHER_ERROR 0x80 /* Symbol had an error reported. */
/* V850 relocations. */
#include "elf/reloc-macros.h"
START_RELOC_NUMBERS (v850_reloc_type)
RELOC_NUMBER (R_V850_NONE, 0)
RELOC_NUMBER (R_V850_9_PCREL, 1)
RELOC_NUMBER (R_V850_22_PCREL, 2)
RELOC_NUMBER (R_V850_HI16_S, 3)
RELOC_NUMBER (R_V850_HI16, 4)
RELOC_NUMBER (R_V850_LO16, 5)
RELOC_NUMBER (R_V850_ABS32, 6)
RELOC_NUMBER (R_V850_16, 7)
RELOC_NUMBER (R_V850_8, 8)
RELOC_NUMBER( R_V850_SDA_16_16_OFFSET, 9) /* For ld.b, st.b, set1, clr1, not1, tst1, movea, movhi */
RELOC_NUMBER( R_V850_SDA_15_16_OFFSET, 10) /* For ld.w, ld.h, ld.hu, st.w, st.h */
RELOC_NUMBER( R_V850_ZDA_16_16_OFFSET, 11) /* For ld.b, st.b, set1, clr1, not1, tst1, movea, movhi */
RELOC_NUMBER( R_V850_ZDA_15_16_OFFSET, 12) /* For ld.w, ld.h, ld.hu, st.w, st.h */
RELOC_NUMBER( R_V850_TDA_6_8_OFFSET, 13) /* For sst.w, sld.w */
RELOC_NUMBER( R_V850_TDA_7_8_OFFSET, 14) /* For sst.h, sld.h */
RELOC_NUMBER( R_V850_TDA_7_7_OFFSET, 15) /* For sst.b, sld.b */
RELOC_NUMBER( R_V850_TDA_16_16_OFFSET, 16) /* For set1, clr1, not1, tst1, movea, movhi */
RELOC_NUMBER( R_V850_TDA_4_5_OFFSET, 17) /* For sld.hu */
RELOC_NUMBER( R_V850_TDA_4_4_OFFSET, 18) /* For sld.bu */
RELOC_NUMBER( R_V850_SDA_16_16_SPLIT_OFFSET, 19) /* For ld.bu */
RELOC_NUMBER( R_V850_ZDA_16_16_SPLIT_OFFSET, 20) /* For ld.bu */
RELOC_NUMBER( R_V850_CALLT_6_7_OFFSET, 21) /* For callt */
RELOC_NUMBER( R_V850_CALLT_16_16_OFFSET, 22) /* For callt */
RELOC_NUMBER (R_V850_GNU_VTINHERIT, 23)
RELOC_NUMBER (R_V850_GNU_VTENTRY, 24)
RELOC_NUMBER (R_V850_LONGCALL, 25)
RELOC_NUMBER (R_V850_LONGJUMP, 26)
RELOC_NUMBER (R_V850_ALIGN, 27)
RELOC_NUMBER (R_V850_REL32, 28)
RELOC_NUMBER (R_V850_LO16_SPLIT_OFFSET, 29) /* For ld.bu */
RELOC_NUMBER (R_V850_16_PCREL, 30) /* For loop */
RELOC_NUMBER (R_V850_17_PCREL, 31) /* For br */
RELOC_NUMBER (R_V850_23, 32) /* For 23bit ld.[w,h,hu,b,bu],st.[w,h,b] */
RELOC_NUMBER (R_V850_32_PCREL, 33) /* For jr32, jarl32 */
RELOC_NUMBER (R_V850_32_ABS, 34) /* For jmp32 */
RELOC_NUMBER (R_V850_16_SPLIT_OFFSET, 35) /* For ld.bu */
RELOC_NUMBER (R_V850_16_S1, 36) /* For ld.w, ld.h st.w st.h */
RELOC_NUMBER (R_V850_LO16_S1, 37) /* For ld.w, ld.h st.w st.h */
RELOC_NUMBER (R_V850_CALLT_15_16_OFFSET, 38) /* For ld.w, ld.h, ld.hu, st.w, st.h */
RELOC_NUMBER (R_V850_32_GOTPCREL, 39) /* GLOBAL_OFFSET_TABLE from pc */
RELOC_NUMBER (R_V850_16_GOT, 40) /* GOT ENTRY from gp */
RELOC_NUMBER (R_V850_32_GOT, 41)
RELOC_NUMBER (R_V850_22_PLT, 42) /* For jr */
RELOC_NUMBER (R_V850_32_PLT, 43) /* For jr32 */
RELOC_NUMBER (R_V850_COPY, 44)
RELOC_NUMBER (R_V850_GLOB_DAT, 45)
RELOC_NUMBER (R_V850_JMP_SLOT, 46)
RELOC_NUMBER (R_V850_RELATIVE, 47)
RELOC_NUMBER (R_V850_16_GOTOFF, 48) /* From gp */
RELOC_NUMBER (R_V850_32_GOTOFF, 49)
RELOC_NUMBER (R_V850_CODE, 50)
RELOC_NUMBER (R_V850_DATA, 51) /* For loop */
END_RELOC_NUMBERS (R_V850_max)
/* Processor specific section indices. These sections do not actually
exist. Symbols with a st_shndx field corresponding to one of these
values have a special meaning. */
/* Small data area common symbol. */
#define SHN_V850_SCOMMON SHN_LORESERVE
/* Tiny data area common symbol. */
#define SHN_V850_TCOMMON (SHN_LORESERVE + 1)
/* Zero data area common symbol. */
#define SHN_V850_ZCOMMON (SHN_LORESERVE + 2)
/* Processor specific section types. */
/* Section contains the .scommon data. */
#define SHT_V850_SCOMMON 0x70000000
/* Section contains the .scommon data. */
#define SHT_V850_TCOMMON 0x70000001
/* Section contains the .scommon data. */
#define SHT_V850_ZCOMMON 0x70000002
/* Processor specific section flags. */
/* This section must be in the small data area (pointed to by GP). */
#define SHF_V850_GPREL 0x10000000
/* This section must be in the tiny data area (pointed to by EP). */
#define SHF_V850_EPREL 0x20000000
/* This section must be in the zero data area (pointed to by R0). */
#define SHF_V850_R0REL 0x40000000
/* Alternative versions of the above definitions, as specified by the RH850 ABI. */
#define EF_RH850_ABI 0xF0000000
#define EF_V800_850E3 0x00100000
#define EF_RH850_FPU_DOUBLE 0x00000001 /* sizeof(double) == 8. */
#define EF_RH850_FPU_SINGLE 0x00000002 /* sizeof(double) == 4. */
#define EF_RH850_REGMODE22 0x00000020 /* Registers r15-r24 (inclusive) are not used. */
#define EF_RH850_REGMODE32 0x00000040
#define EF_RH850_GP_FIX 0x00000100 /* r4 is fixed. */
#define EF_RH850_GP_NOFIX 0x00000200 /* r4 is callee save. */
#define EF_RH850_EP_FIX 0x00000400 /* r30 is fixed. */
#define EF_RH850_EP_NOFIX 0x00000800 /* r30 is callee save. */
#define EF_RH850_TP_FIX 0x00001000 /* r5 is fixed. */
#define EF_RH850_TP_NOFIX 0x00002000 /* r5 is callee save. */
#define EF_RH850_REG2_RESERVE 0x00004000 /* r2 is fixed. */
#define EF_RH850_REG2_NORESERVE 0x00008000 /* r2 is callee saved. */
#define SHT_RENESAS_IOP SHT_LOUSER /* Used by Renesas linker. */
#define SHF_RENESAS_ABS 0x80000000 /* Absolute section. */
#define SHF_GHS_ABS 0x00000400 /* Use unknown. */
#define STT_RENESAS_ENTRY 14 /* Set for functions called at reset time. */
START_RELOC_NUMBERS (v800_reloc_type)
RELOC_NUMBER (R_V800_NONE, 0x00)
RELOC_NUMBER (R_V810_NONE, 0x30)
RELOC_NUMBER (R_V810_BYTE, 0x31)
RELOC_NUMBER (R_V810_HWORD, 0x32)
RELOC_NUMBER (R_V810_WORD, 0x33)
RELOC_NUMBER (R_V810_WLO, 0x34)
RELOC_NUMBER (R_V810_WHI, 0x35)
RELOC_NUMBER (R_V810_WHI1, 0x36)
RELOC_NUMBER (R_V810_GPBYTE, 0x37)
RELOC_NUMBER (R_V810_GPHWORD, 0x38)
RELOC_NUMBER (R_V810_GPWORD, 0x39)
RELOC_NUMBER (R_V810_GPWLO, 0x3a)
RELOC_NUMBER (R_V810_GPWHI, 0x3b)
RELOC_NUMBER (R_V810_GPWHI1, 0x3c)
RELOC_NUMBER (R_V850_HWLO, 0x3d)
FAKE_RELOC (R_V810_reserved1, 0x3e)
RELOC_NUMBER (R_V850_EP7BIT, 0x3f)
RELOC_NUMBER (R_V850_EPHBYTE, 0x40)
RELOC_NUMBER (R_V850_EPWBYTE, 0x41)
RELOC_NUMBER (R_V850_REGHWLO, 0x42)
FAKE_RELOC (R_V810_reserved2, 0x43)
RELOC_NUMBER (R_V850_GPHWLO, 0x44)
FAKE_RELOC (R_V810_reserved3, 0x45)
RELOC_NUMBER (R_V850_PCR22, 0x46)
RELOC_NUMBER (R_V850_BLO, 0x47)
RELOC_NUMBER (R_V850_EP4BIT, 0x48)
RELOC_NUMBER (R_V850_EP5BIT, 0x49)
RELOC_NUMBER (R_V850_REGBLO, 0x4a)
RELOC_NUMBER (R_V850_GPBLO, 0x4b)
RELOC_NUMBER (R_V810_WLO_1, 0x4c)
RELOC_NUMBER (R_V810_GPWLO_1, 0x4d)
RELOC_NUMBER (R_V850_BLO_1, 0x4e)
RELOC_NUMBER (R_V850_HWLO_1, 0x4f)
FAKE_RELOC (R_V810_reserved4, 0x50)
RELOC_NUMBER (R_V850_GPBLO_1, 0x51)
RELOC_NUMBER (R_V850_GPHWLO_1, 0x52)
FAKE_RELOC (R_V810_reserved5, 0x53)
RELOC_NUMBER (R_V850_EPBLO, 0x54)
RELOC_NUMBER (R_V850_EPHWLO, 0x55)
FAKE_RELOC (R_V810_reserved6, 0x56)
RELOC_NUMBER (R_V850_EPWLO_N, 0x57)
RELOC_NUMBER (R_V850_PC32, 0x58)
RELOC_NUMBER (R_V850_W23BIT, 0x59)
RELOC_NUMBER (R_V850_GPW23BIT, 0x5a)
RELOC_NUMBER (R_V850_EPW23BIT, 0x5b)
RELOC_NUMBER (R_V850_B23BIT, 0x5c)
RELOC_NUMBER (R_V850_GPB23BIT, 0x5d)
RELOC_NUMBER (R_V850_EPB23BIT, 0x5e)
RELOC_NUMBER (R_V850_PC16U, 0x5f)
RELOC_NUMBER (R_V850_PC17, 0x60)
RELOC_NUMBER (R_V850_DW8, 0x61)
RELOC_NUMBER (R_V850_GPDW8, 0x62)
RELOC_NUMBER (R_V850_EPDW8, 0x63)
RELOC_NUMBER (R_V850_PC9, 0x64)
RELOC_NUMBER (R_V810_REGBYTE, 0x65)
RELOC_NUMBER (R_V810_REGHWORD, 0x66)
RELOC_NUMBER (R_V810_REGWORD, 0x67)
RELOC_NUMBER (R_V810_REGWLO, 0x68)
RELOC_NUMBER (R_V810_REGWHI, 0x69)
RELOC_NUMBER (R_V810_REGWHI1, 0x6a)
RELOC_NUMBER (R_V850_REGW23BIT, 0x6b)
RELOC_NUMBER (R_V850_REGB23BIT, 0x6c)
RELOC_NUMBER (R_V850_REGDW8, 0x6d)
RELOC_NUMBER (R_V810_EPBYTE, 0x6e)
RELOC_NUMBER (R_V810_EPHWORD, 0x6f)
RELOC_NUMBER (R_V810_EPWORD, 0x70)
RELOC_NUMBER (R_V850_WLO23, 0x71)
RELOC_NUMBER (R_V850_WORD_E, 0x72)
RELOC_NUMBER (R_V850_REGWORD_E, 0x73)
RELOC_NUMBER (R_V850_WORD, 0x74)
RELOC_NUMBER (R_V850_GPWORD, 0x75)
RELOC_NUMBER (R_V850_REGWORD, 0x76)
RELOC_NUMBER (R_V850_EPWORD, 0x77)
RELOC_NUMBER (R_V810_TPBYTE, 0x78)
RELOC_NUMBER (R_V810_TPHWORD, 0x79)
RELOC_NUMBER (R_V810_TPWORD, 0x7a)
RELOC_NUMBER (R_V810_TPWLO, 0x7b)
RELOC_NUMBER (R_V810_TPWHI, 0x7c)
RELOC_NUMBER (R_V810_TPWHI1, 0x7d)
RELOC_NUMBER (R_V850_TPHWLO, 0x7e)
RELOC_NUMBER (R_V850_TPBLO, 0x7f)
RELOC_NUMBER (R_V810_TPWLO_1, 0x80)
RELOC_NUMBER (R_V850_TPBLO_1, 0x81)
RELOC_NUMBER (R_V850_TPHWLO_1, 0x82)
RELOC_NUMBER (R_V850_TP23BIT, 0x83)
RELOC_NUMBER (R_V850_TPW23BIT, 0x84)
RELOC_NUMBER (R_V850_TPDW8, 0x85)
/* These are defined by the RH850 ABI, but not used. */
RELOC_NUMBER (R_V810_ABS32, 0xa0)
RELOC_NUMBER (R_V850_SYM, 0xe0)
RELOC_NUMBER (R_V850_OPadd, 0xe1)
RELOC_NUMBER (R_V850_OPsub, 0xe2)
RELOC_NUMBER (R_V850_OPsctsize, 0xe3)
RELOC_NUMBER (R_V850_OPscttop, 0xe4)
END_RELOC_NUMBERS (R_V800_max)
/* Type for Renesas note sections. NB/ This is in application space
rather than processor space as it refers to the requirements of the
binary concerned. A given processor may be able to handle multiple
different types of application. */
#define SHT_RENESAS_INFO 0xa0000000
/* Contents of a Renesas note entry:
namesz +------------------+
| 4 | "REL\0"
descsz +------------------+
| 4 | Currently 4byte only
type +------------------+
| ID |
name +------------------+
| REL\0 |
desc +------------------+
| Value |
+------------------+ */
#define V850_NOTE_SECNAME ".note.renesas"
#define SIZEOF_V850_NOTE 20
#define V850_NOTE_NAME "REL"
enum v850_notes
{
V850_NOTE_ALIGNMENT = 1, /* Alignment of 8-byte entities. */
#define EF_RH850_DATA_ALIGN4 0x0001 /* Aligned to 4-byte bounadries. */
#define EF_RH850_DATA_ALIGN8 0x0002 /* Aligned to 8-byte bounadries. */
V850_NOTE_DATA_SIZE = 2, /* Sizeof double and long double. */
#define EF_RH850_DOUBLE32 0x0001 /* 32-bits in size. */
#define EF_RH850_DOUBLE64 0x0002 /* 64-bits in size. */
V850_NOTE_FPU_INFO = 3, /* Defined if extended floating point insns are used. */
#define EF_RH850_FPU20 0x0001 /* Set if [N]]M{ADD|SUB}F.S are used. */
#define EF_RH850_FPU30 0x0002 /* Set if ADSF.D or ADDF.D is used. */
V850_NOTE_SIMD_INFO = 4,
#define EF_RH850_SIMD 0x0001
V850_NOTE_CACHE_INFO = 5,
#define EF_RH850_CACHE 0x0001
V850_NOTE_MMU_INFO = 6
#define EF_RH850_MMU 0x0001
};
#define NUM_V850_NOTES V850_NOTE_MMU_INFO
#endif /* _ELF_V850_H */
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