This is the mail archive of the
binutils@sourceware.org
mailing list for the binutils project.
Re: [PATCH ARC 3/8] GAS: new ARC port
- From: Claudiu Zissulescu <claziss at gmail dot com>
- To: binutils at sourceware dot org
- Date: Thu, 3 Sep 2015 14:27:02 +0200
- Subject: Re: [PATCH ARC 3/8] GAS: new ARC port
- Authentication-results: sourceware.org; auth=none
- References: <1441282821-24854-1-git-send-email-claziss at gmail dot com>
This is actually the include/elf folder patch. Sorry for messing up
with the Subject.
//Claudiu
On Thu, Sep 3, 2015 at 2:20 PM, Claudiu Zissulescu <claziss@gmail.com> wrote:
> New ARC implementation. Please review.
>
> Claudiu
>
> 2015-09-01 Cupertino Miranda <cmiranda@synopsys.com>
>
> * arc-reloc.def: Macro file with definition of all relocation
> types.
> * arc.h: Changed macros for the newly supported ARC cpus.
> Altered enum defining the supported relocations.
> * common.h: Changed A5 definition to ARCOMPACT. Added macro
> for ARCV2.
>
>
> ---
> include/elf/arc-reloc.def | 449 +++++++++++++++++++++++++++++++++++++++++++++
> include/elf/arc.h | 34 +++-
> include/elf/common.h | 3 +-
> 3 files changed, 476 insertions(+), 10 deletions(-)
> create mode 100644 include/elf/arc-reloc.def
>
> diff --git a/include/elf/arc-reloc.def b/include/elf/arc-reloc.def
> new file mode 100644
> index 0000000..b0eff96
> --- /dev/null
> +++ b/include/elf/arc-reloc.def
> @@ -0,0 +1,449 @@
> +
> +ARC_RELOC_HOWTO(ARC_8, 1, \
> + 0, \
> + 8, \
> + replace_bits8, \
> + bitfield, \
> + ( S + A ))
> +
> +ARC_RELOC_HOWTO(ARC_16, 2, \
> + 1, \
> + 16, \
> + replace_bits16, \
> + bitfield, \
> + ( S + A ))
> +
> +ARC_RELOC_HOWTO(ARC_24, 3, \
> + 2, \
> + 24, \
> + replace_bits24, \
> + bitfield, \
> + ( S + A ))
> +
> +ARC_RELOC_HOWTO(ARC_32, 4, \
> + 2, \
> + 32, \
> + replace_word32, \
> + bitfield, \
> + ( S + A ))
> +
> +ARC_RELOC_HOWTO(ARC_N8, 8, \
> + 0, \
> + 8, \
> + replace_bits8, \
> + bitfield, \
> + ( S - A ))
> +
> +ARC_RELOC_HOWTO(ARC_N16, 9, \
> + 1, \
> + 16, \
> + replace_bits16, \
> + bitfield, \
> + ( S - A ))
> +
> +ARC_RELOC_HOWTO(ARC_N24, 10, \
> + 2, \
> + 24, \
> + replace_bits24, \
> + bitfield, \
> + ( S - A ))
> +
> +ARC_RELOC_HOWTO(ARC_N32, 11, \
> + 2, \
> + 32, \
> + replace_word32, \
> + bitfield, \
> + ( S - A ))
> +
> +ARC_RELOC_HOWTO(ARC_SDA, 12, \
> + 2, \
> + 9, \
> + replace_disp9, \
> + bitfield, \
> + ( S + A ))
> +
> +ARC_RELOC_HOWTO(ARC_SECTOFF, 13, \
> + 2, \
> + 32, \
> + replace_word32, \
> + bitfield, \
> + ( ( S - SECTSTART ) + A ))
> +
> +ARC_RELOC_HOWTO(ARC_S21H_PCREL, 14, \
> + 2, \
> + 20, \
> + replace_disp21h, \
> + signed, \
> + ( ( ( S + A ) - P ) >> 1 ))
> +
> +ARC_RELOC_HOWTO(ARC_S21W_PCREL, 15, \
> + 2, \
> + 19, \
> + replace_disp21w, \
> + signed, \
> + ( ( ( S + A ) - P ) >> 2 ))
> +
> +ARC_RELOC_HOWTO(ARC_S25H_PCREL, 16, \
> + 2, \
> + 24, \
> + replace_disp25h, \
> + signed, \
> + ( ( ( S + A ) - P ) >> 1 ))
> +
> +ARC_RELOC_HOWTO(ARC_S25W_PCREL, 17, \
> + 2, \
> + 23, \
> + replace_disp25w, \
> + signed, \
> + ( ( ( S + A ) - P ) >> 2 ))
> +
> +ARC_RELOC_HOWTO(ARC_SDA32, 18, \
> + 2, \
> + 32, \
> + replace_word32, \
> + signed, \
> + ( ( S + A ) - _SDA_BASE_ ))
> +
> +ARC_RELOC_HOWTO(ARC_SDA_LDST, 19, \
> + 2, \
> + 9, \
> + replace_disp9ls, \
> + signed, \
> + ( ( S + A ) - _SDA_BASE_ ))
> +
> +ARC_RELOC_HOWTO(ARC_SDA_LDST1, 20, \
> + 2, \
> + 9, \
> + replace_disp9ls, \
> + signed, \
> + ( ( ( S + A ) - _SDA_BASE_ ) >> 1 ))
> +
> +ARC_RELOC_HOWTO(ARC_SDA_LDST2, 21, \
> + 2, \
> + 9, \
> + replace_disp9ls, \
> + signed, \
> + ( ( ( S + A ) - _SDA_BASE_ ) >> 2 ))
> +
> +ARC_RELOC_HOWTO(ARC_SDA16_LD, 22, \
> + 1, \
> + 9, \
> + replace_disp9s, \
> + signed, \
> + ( ( S + A ) - _SDA_BASE_ ))
> +
> +ARC_RELOC_HOWTO(ARC_SDA16_LD1, 23, \
> + 1, \
> + 9, \
> + replace_disp9s, \
> + signed, \
> + ( ( ( S + A ) - _SDA_BASE_ ) >> 1 ))
> +
> +ARC_RELOC_HOWTO(ARC_SDA16_LD2, 24, \
> + 1, \
> + 9, \
> + replace_disp9s, \
> + signed, \
> + ( ( ( S + A ) - _SDA_BASE_ ) >> 2 ))
> +
> +ARC_RELOC_HOWTO(ARC_S13_PCREL, 25, \
> + 1, \
> + 11, \
> + replace_disp13s, \
> + signed, \
> + ( ( ( S + A ) - P ) >> 2 ))
> +
> +ARC_RELOC_HOWTO(ARC_W, 26, \
> + 2, \
> + 32, \
> + replace_word32, \
> + bitfield, \
> + ( ( S + A ) & ( ~3 ) ))
> +
> +ARC_RELOC_HOWTO(ARC_32_ME, 27, \
> + 2, \
> + 32, \
> + replace_limm, \
> + signed, \
> + ( S + A ))
> +
> +ARC_RELOC_HOWTO(ARC_32_ME_S, 105, \
> + 2, \
> + 32, \
> + replace_limms, \
> + signed, \
> + ( S + A ))
> +
> +ARC_RELOC_HOWTO(ARC_N32_ME, 28, \
> + 2, \
> + 32, \
> + replace_word32, \
> + bitfield, \
> + ( S - A ))
> +
> +ARC_RELOC_HOWTO(ARC_SECTOFF_ME, 29, \
> + 2, \
> + 32, \
> + replace_word32, \
> + bitfield, \
> + ( ( S - SECTSTART ) + A ))
> +
> +ARC_RELOC_HOWTO(ARC_SDA32_ME, 30, \
> + 2, \
> + 32, \
> + replace_limm, \
> + signed, \
> + ( ( S + A ) - _SDA_BASE_ ))
> +
> +ARC_RELOC_HOWTO(ARC_W_ME, 31, \
> + 2, \
> + 32, \
> + replace_word32, \
> + bitfield, \
> + ( S + A ))
> +
> +ARC_RELOC_HOWTO(AC_SECTOFF_U8, 35, \
> + 2, \
> + 9, \
> + replace_disp9ls, \
> + bitfield, \
> + ( ( S + A ) - SECTSTART ))
> +
> +ARC_RELOC_HOWTO(AC_SECTOFF_U8_1, 36, \
> + 2, \
> + 9, \
> + replace_disp9ls, \
> + bitfield, \
> + ( ( ( S + A ) - SECTSTART ) >> 1 ))
> +
> +ARC_RELOC_HOWTO(AC_SECTOFF_U8_2, 37, \
> + 2, \
> + 9, \
> + replace_disp9ls, \
> + bitfield, \
> + ( ( ( S + A ) - SECTSTART ) >> 2 ))
> +
> +ARC_RELOC_HOWTO(AC_SECTFOFF_S9, 38, \
> + 2, \
> + 9, \
> + replace_disp9ls, \
> + bitfield, \
> + ( ( S + A ) - SECTSTART ))
> +
> +ARC_RELOC_HOWTO(AC_SECTFOFF_S9_1, 39, \
> + 2, \
> + 9, \
> + replace_disp9ls, \
> + bitfield, \
> + ( ( ( S + A ) - SECTSTART ) >> 1 ))
> +
> +ARC_RELOC_HOWTO(AC_SECTFOFF_S9_2, 40, \
> + 2, \
> + 9, \
> + replace_disp9ls, \
> + bitfield, \
> + ( ( ( S + A ) - SECTSTART ) >> 2 ))
> +
> +ARC_RELOC_HOWTO(ARC_SECTOFF_ME_1, 41, \
> + 2, \
> + 32, \
> + replace_word32, \
> + bitfield, \
> + ( ( ( S - SECTSTART ) + A ) >> 1 ))
> +
> +ARC_RELOC_HOWTO(ARC_SECTOFF_ME_2, 42, \
> + 2, \
> + 32, \
> + replace_word32, \
> + bitfield, \
> + ( ( ( S - SECTSTART ) + A ) >> 2 ))
> +
> +ARC_RELOC_HOWTO(ARC_SECTOFF_1, 43, \
> + 2, \
> + 32, \
> + replace_word32, \
> + bitfield, \
> + ( ( ( S - SECTSTART ) + A ) >> 1 ))
> +
> +ARC_RELOC_HOWTO(ARC_SECTOFF_2, 44, \
> + 2, \
> + 32, \
> + replace_word32, \
> + bitfield, \
> + ( ( ( S - SECTSTART ) + A ) >> 2 ))
> +
> +ARC_RELOC_HOWTO(ARC_SDA16_ST2, 48, \
> + 1, \
> + 9, \
> + replace_disp9s1, \
> + signed, \
> + ( ( ( S + A ) - _SDA_BASE_ ) >> 2 ))
> +
> +ARC_RELOC_HOWTO(ARC_PC32, 50, \
> + 2, \
> + 32, \
> + replace_word32, \
> + signed, \
> + ( ( S + A ) - P ))
> +
> +ARC_RELOC_HOWTO(ARC_GOT32, 59, \
> + 2, \
> + 32, \
> + replace_word32, \
> + dont, \
> + ( G + A ))
> +
> +ARC_RELOC_HOWTO(ARC_GOTPC32, 51, \
> + 2, \
> + 32, \
> + replace_word32, \
> + signed, \
> + ( ( ( GOT + G ) + A ) - P ))
> +
> +ARC_RELOC_HOWTO(ARC_PLT32, 52, \
> + 2, \
> + 32, \
> + replace_word32, \
> + signed, \
> + ( ( L + A ) - P ))
> +
> +ARC_RELOC_HOWTO(ARC_COPY, 53, \
> + 2, \
> + 0, \
> + replace_none, \
> + signed, \
> + none)
> +
> +ARC_RELOC_HOWTO(ARC_GLOB_DAT, 54, \
> + 2, \
> + 32, \
> + replace_word32, \
> + signed, \
> + S)
> +
> +ARC_RELOC_HOWTO(ARC_JMP_SLOT, 55, \
> + 2, \
> + 32, \
> + replace_word32, \
> + signed, \
> + S)
> +
> +ARC_RELOC_HOWTO(ARC_RELATIVE, 56, \
> + 2, \
> + 32, \
> + replace_word32, \
> + signed, \
> + ( B + A ))
> +
> +ARC_RELOC_HOWTO(ARC_GOTOFF, 57, \
> + 2, \
> + 32, \
> + replace_word32, \
> + signed, \
> + ( ( S + A ) - GOT ))
> +
> +ARC_RELOC_HOWTO(ARC_GOTPC, 58, \
> + 2, \
> + 32, \
> + replace_word32, \
> + signed, \
> + ( ( GOT + A ) - P ))
> +
> +ARC_RELOC_HOWTO(ARC_S21W_PCREL_PLT, 60, \
> + 2, \
> + 19, \
> + replace_disp21w, \
> + signed, \
> + ( ( ( L + A ) - P ) >> 2 ))
> +
> +ARC_RELOC_HOWTO(ARC_S25H_PCREL_PLT, 61, \
> + 2, \
> + 24, \
> + replace_disp25h, \
> + signed, \
> + ( ( ( L + A ) - P ) >> 1 ))
> +
> +ARC_RELOC_HOWTO(ARC_TLS_DTPMOD, 66, \
> + 2, \
> + 32, \
> + replace_word32, \
> + dont, \
> + 0)
> +
> +ARC_RELOC_HOWTO(ARC_TLS_TPOFF, 68, \
> + 2, \
> + 32, \
> + replace_word32, \
> + dont, \
> + 0)
> +
> +ARC_RELOC_HOWTO(ARC_TLS_GD_GOT, 69, \
> + 2, \
> + 32, \
> + replace_word32, \
> + dont, \
> + 0)
> +
> +ARC_RELOC_HOWTO(ARC_TLS_GD_LD, 70, \
> + 2, \
> + 32, \
> + replace_word32, \
> + dont, \
> + 0)
> +
> +ARC_RELOC_HOWTO(ARC_TLS_GD_CALL, 71, \
> + 2, \
> + 32, \
> + replace_word32, \
> + dont, \
> + 0)
> +
> +ARC_RELOC_HOWTO(ARC_TLS_IE_GOT, 72, \
> + 2, \
> + 32, \
> + replace_word32, \
> + dont, \
> + 0)
> +
> +ARC_RELOC_HOWTO(ARC_TLS_DTPOFF, 67, \
> + 2, \
> + 32, \
> + replace_word32, \
> + dont, \
> + 0)
> +
> +ARC_RELOC_HOWTO(ARC_TLS_DTPOFF_S9, 73, \
> + 2, \
> + 32, \
> + replace_word32, \
> + dont, \
> + 0)
> +
> +ARC_RELOC_HOWTO(ARC_TLS_LE_S9, 74, \
> + 2, \
> + 32, \
> + replace_word32, \
> + dont, \
> + 0)
> +
> +ARC_RELOC_HOWTO(ARC_TLS_LE_32, 75, \
> + 2, \
> + 32, \
> + replace_word32, \
> + dont, \
> + 0)
> +
> +ARC_RELOC_HOWTO(ARC_S25W_PCREL_PLT, 76, \
> + 2, \
> + 23, \
> + replace_disp25w, \
> + signed, \
> + ( ( ( L + A ) - P ) >> 2 ))
> +
> +ARC_RELOC_HOWTO(ARC_S21H_PCREL_PLT, 77, \
> + 2, \
> + 20, \
> + replace_disp21h, \
> + signed, \
> + ( ( ( L + A ) - P ) >> 1 ))
> +
> diff --git a/include/elf/arc.h b/include/elf/arc.h
> index 62398e1..9025275 100644
> --- a/include/elf/arc.h
> +++ b/include/elf/arc.h
> @@ -28,25 +28,41 @@
>
> /* Relocations. */
>
> +#define ARC_RELOC_HOWTO(TYPE, VALUE, SIZE, BITSIZE, RELOC_FUNCTION, OVERFLOW, FORMULA) \
> + RELOC_NUMBER(R_##TYPE, VALUE)
> +
> START_RELOC_NUMBERS (elf_arc_reloc_type)
> - RELOC_NUMBER (R_ARC_NONE, 0)
> - RELOC_NUMBER (R_ARC_32, 1)
> - RELOC_NUMBER (R_ARC_B26, 2)
> - RELOC_NUMBER (R_ARC_B22_PCREL, 3)
> + #include "arc-reloc.def"
> END_RELOC_NUMBERS (R_ARC_max)
>
> +#undef ARC_RELOC_HOWTO
> +
> /* Processor specific flags for the ELF header e_flags field. */
>
> /* Four bit ARC machine type field. */
> +#define EF_ARC_MACH_MSK 0x000000ff
> +#define EF_ARC_OSABI_MSK 0x00000f00
> +#define EF_ARC_ALL_MSK (EF_ARC_MACH_MSK|EF_ARC_OSABI_MSK)
> +
> +/* Four bit ARC machine type field. */
>
> #define EF_ARC_MACH 0x0000000f
>
> /* Various CPU types. */
> -
> -#define E_ARC_MACH_ARC5 0
> -#define E_ARC_MACH_ARC6 1
> -#define E_ARC_MACH_ARC7 2
> -#define E_ARC_MACH_ARC8 3
> +#define E_ARC_MACH_ARC600 0x00000002
> +#define E_ARC_MACH_ARC601 0x00000004
> +#define E_ARC_MACH_ARC700 0x00000003
> +
> +/* Processor specific flags for the ELF header e_flags field. */
> +#define EF_ARC_CPU_GENERIC 0x00000000
> +#define EF_ARC_CPU_ARCV2EM 0x00000005
> +#define EF_ARC_CPU_ARCV2HS 0x00000006
> +
> +/* ARC Linux specific ABIs */
> +#define E_ARC_OSABI_ORIG 0x00000000 /* MUST be zero for back-compat */
> +#define E_ARC_OSABI_V2 0x00000200
> +#define E_ARC_OSABI_V3 0x00000300
> +#define E_ARC_OSABI_CURRENT E_ARC_OSABI_V3
>
> /* Leave bits 0xf0 alone in case we ever have more than 16 cpu types. */
>
> diff --git a/include/elf/common.h b/include/elf/common.h
> index e6d8c14..1cc1609 100644
> --- a/include/elf/common.h
> +++ b/include/elf/common.h
> @@ -194,7 +194,7 @@
> #define EM_MN10200 90 /* Matsushita MN10200 */
> #define EM_PJ 91 /* picoJava */
> #define EM_OR1K 92 /* OpenRISC 1000 32-bit embedded processor */
> -#define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */
> +#define EM_ARCOMPACT 93 /* ARC Cores */
> #define EM_XTENSA 94 /* Tensilica Xtensa Architecture */
> #define EM_VIDEOCORE 95 /* Alphamosaic VideoCore processor */
> #define EM_TMM_GPP 96 /* Thompson Multimedia General Purpose Processor */
> @@ -295,6 +295,7 @@
> #define EM_MICROBLAZE 189 /* Xilinx MicroBlaze 32-bit RISC soft processor core */
> #define EM_CUDA 190 /* NVIDIA CUDA architecture */
> #define EM_TILEGX 191 /* Tilera TILE-Gx multicore architecture family */
> +#define EM_ARCV2 195 /* ARCv2 Cores */
> #define EM_RL78 197 /* Renesas RL78 family. */
> #define EM_78K0R 199 /* Renesas 78K0R. */
> #define EM_INTEL205 205 /* Reserved by Intel */
> --
> 1.7.0.4
>