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* Makefile.am (ALL_MACHINES): Add cpu-rx.lo.
        (ALL_MACHINES_CFILES): Add cpu-rx.c.
        (BFD32_BACKENDS): Add elf32-rx.lo.
        (BFD32_BACKENDS_CFILES): Add elf32-rx.c.
        * archures.c (bfd_architecture): Add bfd_arch_rx and bfd_mach_rx.
        Export bfd_rx_arch.
        (bfd_archures_list): Add bfd_rx_arch.
        * config.bfd: Add entry for rx-*-elf.
        * configure.in: Add entries for bfd_elf32_rx_le_vec and
        bfd_elf32_rx_be_vec.
        * reloc.c: Add RX relocations.
        * targets.c: Add RX target vectors.
        * Makefile.in: Regenerate.
        * bfd-in2.h: Regenerate.
        * configure: Regenerate.
        * libbfd.h: Regenerate.
        * cpu-rx.c: New file.
        * elf32-rx.c: New file.

binutils
        * readelf.c: Add support for RX target.
        * MAINTAINERS: Add DJ and NickC as maintainers for RX.

gas
        * Makefile.am: Add RX target.
        * configure.in: Likewise.
        * configure.tgt: Likewise.
        * read.c (do_repeat_with_expander): New function.
        * read.h: Provide a prototype for do_repeat_with_expander.
        * doc/Makefile.am: Add RX target documentation.
        * doc/all.texi: Likewise.
        * doc/as.texinfo: Likewise.
        * Makefile.in: Regenerate.
        * NEWS: Mention support for RX architecture.
        * configure: Regenerate.
        * doc/Makefile.in: Regenerate.
        * config/rx-defs.h: New file.
        * config/rx-parse.y: New file.
        * config/tc-rx.h: New file.
        * config/tc-rx.c: New file.
        * doc/c-rx.texi: New file.

gas/testsuite
        * gas/rx: New directory.
        * gas/rx/*: New set of test cases.
        * gas/elf/section2.e-rx: New expected output file.
        * gas/all/gas.exp: Add support for RX target.
        * gas/elf/elf.exp: Likewise.
        * gas/lns/lns.exp: Likewise.
        * gas/macros/macros.exp: Likewise.

include
        * dis-asm.h: Add prototype for print_insn_rx.

include/elf
        * rx.h: New file.

include/opcode
        * rx.h: New file.

ld
        * Makefile.am: Add rules to build RX emulation.
        * configure.tgt: Likewise.
        * NEWS: Mention support for RX architecture.
        * Makefile.in: Regenerate.
        * emulparams/elf32rx.sh: New file.
        * emultempl/rxelf.em: New file.

opcodes
        * Makefile.am: Add RX files.
        * configure.in: Add support for RX target.
        * disassemble.c: Likewise.
        * Makefile.in: Regenerate.
        * configure: Regenerate.
        * opc2c.c: New file.
        * rx-decode.c: New file.
        * rx-decode.opc: New file.
        * rx-dis.c: New file.
This commit is contained in:
Nick Clifton 2009-09-29 14:17:13 +00:00
parent 4abcdf2717
commit 55c20b09b7
6 changed files with 365 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/ChangeLog
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@ -1,3 +1,7 @@
2009-09-29 DJ Delorie <dj@redhat.com>
* dis-asm.h: Add prototype for print_insn_rx.
2009-09-25 Dodji Seketeli <dodji@redhat.com>
* dwarf2.h (enum dwarf_tag): Rename DW_TAG_template_parameter_pack and

1
include/dis-asm.h
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@ -296,6 +296,7 @@ extern int print_insn_xtensa (bfd_vma, disassemble_info *);
extern int print_insn_z80 (bfd_vma, disassemble_info *);
extern int print_insn_z8001 (bfd_vma, disassemble_info *);
extern int print_insn_z8002 (bfd_vma, disassemble_info *);
extern int print_insn_rx (bfd_vma, disassemble_info *);
extern disassembler_ftype arc_get_disassembler (void *);
extern disassembler_ftype cris_get_disassembler (bfd *);

4
include/elf/ChangeLog
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@ -1,3 +1,7 @@
2009-09-29 DJ Delorie <dj@redhat.com>
* rx.h: New file.
2009-09-21 Alan Modra <amodra@bigpond.net.au>
* ppc.h (DT_PPC_TLSOPT): Define.

134
include/elf/rx.h Normal file
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@ -0,0 +1,134 @@
/* RX ELF support for BFD.
Copyright (C) 2008, 2009 Free Software Foundation, Inc.
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.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef _ELF_RX_H
#define _ELF_RX_H
#include "elf/reloc-macros.h"
/* Note that there are a few internal relocation types used by the
linker to do link-time relaxation. If you update this file, please
check elf32-rx.c to see if any of the internal relocations need to
be, er, relocated. */
/* Preliminary relocations. */
START_RELOC_NUMBERS (elf_rx_reloc_type)
RELOC_NUMBER (R_RX_NONE, 0x00)
/* These are for data, and are bi-endian. */
RELOC_NUMBER (R_RX_DIR32, 0x01) /* Was: R_RX_32. */
RELOC_NUMBER (R_RX_DIR24S, 0x02) /* Was: R_RX_24. */
RELOC_NUMBER (R_RX_DIR16, 0x03)
RELOC_NUMBER (R_RX_DIR16U, 0x04) /* Was: R_RX_16_UNS. */
RELOC_NUMBER (R_RX_DIR16S, 0x05) /* Was: R_RX_16. */
RELOC_NUMBER (R_RX_DIR8, 0x06)
RELOC_NUMBER (R_RX_DIR8U, 0x07) /* Was: R_RX_8_UNS. */
RELOC_NUMBER (R_RX_DIR8S, 0x08) /* Was: R_RX_8. */
/* Signed pc-relative values. */
RELOC_NUMBER (R_RX_DIR24S_PCREL, 0x09) /* Was: R_RX_24_PCREL. */
RELOC_NUMBER (R_RX_DIR16S_PCREL, 0x0a) /* Was: R_RX_16_PCREL. */
RELOC_NUMBER (R_RX_DIR8S_PCREL, 0x0b) /* Was: R_RX_8_PCREL. */
/* These are for fields in the instructions. */
RELOC_NUMBER (R_RX_DIR16UL, 0x0c)
RELOC_NUMBER (R_RX_DIR16UW, 0x0d)
RELOC_NUMBER (R_RX_DIR8UL, 0x0e)
RELOC_NUMBER (R_RX_DIR8UW, 0x0f)
RELOC_NUMBER (R_RX_DIR32_REV, 0x10)
RELOC_NUMBER (R_RX_DIR16_REV, 0x11)
RELOC_NUMBER (R_RX_DIR3U_PCREL, 0x12)
/* These are extensions added by Red Hat. */
RELOC_NUMBER (R_RX_RH_3_PCREL, 0x20) /* Like R_RX_DIR8S_PCREL but only 3-bits. */
RELOC_NUMBER (R_RX_RH_16_OP, 0x21) /* Like R_RX_DIR16 but for opcodes - always big endian. */
RELOC_NUMBER (R_RX_RH_24_OP, 0x22) /* Like R_RX_DIR24S but for opcodes - always big endian. */
RELOC_NUMBER (R_RX_RH_32_OP, 0x23) /* Like R_RX_DIR32 but for opcodes - always big endian. */
RELOC_NUMBER (R_RX_RH_24_UNS, 0x24) /* Like R_RX_DIR24S but for unsigned values. */
RELOC_NUMBER (R_RX_RH_8_NEG, 0x25) /* Like R_RX_DIR8 but -x is stored. */
RELOC_NUMBER (R_RX_RH_16_NEG, 0x26) /* Like R_RX_DIR16 but -x is stored. */
RELOC_NUMBER (R_RX_RH_24_NEG, 0x27) /* Like R_RX_DIR24S but -x is stored. */
RELOC_NUMBER (R_RX_RH_32_NEG, 0x28) /* Like R_RX_DIR32 but -x is stored. */
RELOC_NUMBER (R_RX_RH_DIFF, 0x29) /* Subtract from a previous relocation. */
RELOC_NUMBER (R_RX_RH_GPRELB, 0x2a) /* Byte value, relative to __gp. */
RELOC_NUMBER (R_RX_RH_GPRELW, 0x2b) /* Word value, relative to __gp. */
RELOC_NUMBER (R_RX_RH_GPRELL, 0x2c) /* Long value, relative to __gp. */
RELOC_NUMBER (R_RX_RH_RELAX, 0x2d) /* Marks opcodes suitable for linker relaxation. */
/* These are for complex relocs. */
RELOC_NUMBER (R_RX_ABS32, 0x41)
RELOC_NUMBER (R_RX_ABS24S, 0x42)
RELOC_NUMBER (R_RX_ABS16, 0x43)
RELOC_NUMBER (R_RX_ABS16U, 0x44)
RELOC_NUMBER (R_RX_ABS16S, 0x45)
RELOC_NUMBER (R_RX_ABS8, 0x46)
RELOC_NUMBER (R_RX_ABS8U, 0x47)
RELOC_NUMBER (R_RX_ABS8S, 0x48)
RELOC_NUMBER (R_RX_ABS24S_PCREL, 0x49)
RELOC_NUMBER (R_RX_ABS16S_PCREL, 0x4a)
RELOC_NUMBER (R_RX_ABS8S_PCREL, 0x4b)
RELOC_NUMBER (R_RX_ABS16UL, 0x4c)
RELOC_NUMBER (R_RX_ABS16UW, 0x4d)
RELOC_NUMBER (R_RX_ABS8UL, 0x4e)
RELOC_NUMBER (R_RX_ABS8UW, 0x4f)
RELOC_NUMBER (R_RX_ABS32_REV, 0x50)
RELOC_NUMBER (R_RX_ABS16_REV, 0x51)
RELOC_NUMBER (R_RX_SYM, 0x80)
RELOC_NUMBER (R_RX_OPneg, 0x81)
RELOC_NUMBER (R_RX_OPadd, 0x82)
RELOC_NUMBER (R_RX_OPsub, 0x83)
RELOC_NUMBER (R_RX_OPmul, 0x84)
RELOC_NUMBER (R_RX_OPdiv, 0x85)
RELOC_NUMBER (R_RX_OPshla, 0x86)
RELOC_NUMBER (R_RX_OPshra, 0x87)
RELOC_NUMBER (R_RX_OPsctsize, 0x88)
RELOC_NUMBER (R_RX_OPscttop, 0x8d)
RELOC_NUMBER (R_RX_OPand, 0x90)
RELOC_NUMBER (R_RX_OPor, 0x91)
RELOC_NUMBER (R_RX_OPxor, 0x92)
RELOC_NUMBER (R_RX_OPnot, 0x93)
RELOC_NUMBER (R_RX_OPmod, 0x94)
RELOC_NUMBER (R_RX_OPromtop, 0x95)
RELOC_NUMBER (R_RX_OPramtop, 0x96)
END_RELOC_NUMBERS (R_RX_max)
#define EF_RX_CPU_RX 0x00000079 /* FIXME: correct value? */
#define EF_RX_CPU_MASK 0x0000007F /* specific cpu bits. */
#define EF_RX_ALL_FLAGS (EF_RX_CPU_MASK)
/* Values for the e_flags field in the ELF header. */
#define E_FLAG_RX_64BIT_DOUBLES (1 << 0)
#define E_FLAG_RX_DSP (1 << 1) /* Defined in the RX CPU Object file specification, but not explained. */
/* These define the addend field of R_RX_RH_RELAX relocations. */
#define RX_RELAXA_IMM6 0x00000010 /* Imm8/16/24/32 at bit offset 6. */
#define RX_RELAXA_IMM12 0x00000020 /* Imm8/16/24/32 at bit offset 12. */
#define RX_RELAXA_DSP4 0x00000040 /* Dsp0/8/16 at bit offset 4. */
#define RX_RELAXA_DSP6 0x00000080 /* Dsp0/8/16 at bit offset 6. */
#define RX_RELAXA_DSP14 0x00000100 /* Dsp0/8/16 at bit offset 14. */
#define RX_RELAXA_BRA 0x00000200 /* Any type of branch (must be decoded). */
#define RX_RELAXA_RNUM 0x0000000f /* Number of associated relocations. */
/* These mark the place where alignment is requested, and the place where the filler bytes end. */
#define RX_RELAXA_ALIGN 0x10000000 /* Start alignment; the remaining bits are the alignment value. */
#define RX_RELAXA_ELIGN 0x20000000 /* End alignment; the remaining bits are the alignment value. */
#define RX_RELAXA_ANUM 0x00ffffff /* Alignment amount, in bytes (i.e. .balign). */
#endif /* _ELF_RX_H */

4
include/opcode/ChangeLog
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@ -1,3 +1,7 @@
2009-09-29 DJ Delorie <dj@redhat.com>
* rx.h: New file.
2009-09-22 Peter Bergner <bergner@vnet.ibm.com>
* ppc.h (ppc_cpu_t): Typedef to uint64_t.

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include/opcode/rx.h Normal file
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@ -0,0 +1,218 @@
/* Opcode decoder for the Renesas RX
Copyright 2008, 2009
Free Software Foundation, Inc.
Written by DJ Delorie <dj@redhat.com>
This file is part of GDB, the GNU Debugger and GAS, the GNU Assembler.
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 2 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. */
/* The RX decoder in libopcodes is used by the simulator, gdb's
analyzer, and the disassembler. Given an opcode data source,
it decodes the next opcode into the following structures. */
typedef enum
{
RX_AnySize = 0,
RX_Byte, /* undefined extension */
RX_UByte,
RX_SByte,
RX_Word, /* undefined extension */
RX_UWord,
RX_SWord,
RX_3Byte,
RX_Long,
} RX_Size;
typedef enum
{
RX_Operand_None,
RX_Operand_Immediate, /* #addend */
RX_Operand_Register, /* Rn */
RX_Operand_Indirect, /* [Rn + addend] */
RX_Operand_Postinc, /* [Rn+] */
RX_Operand_Predec, /* [-Rn] */
RX_Operand_Condition, /* eq, gtu, etc */
RX_Operand_Flag, /* [UIOSZC] */
} RX_Operand_Type;
typedef enum
{
RXO_unknown,
RXO_mov, /* d = s (signed) */
RXO_movbi, /* d = [s,s2] (signed) */
RXO_movbir, /* [s,s2] = d (signed) */
RXO_pushm, /* s..s2 */
RXO_popm, /* s..s2 */
RXO_pusha, /* &s */
RXO_xchg, /* s <-> d */
RXO_stcc, /* d = s if cond(s2) */
RXO_rtsd, /* rtsd, 1=imm, 2-0 = reg if reg type */
/* These are all either d OP= s or, if s2 is set, d = s OP s2. Note
that d may be "None". */
RXO_and,
RXO_or,
RXO_xor,
RXO_add,
RXO_sub,
RXO_mul,
RXO_div,
RXO_divu,
RXO_shll,
RXO_shar,
RXO_shlr,
RXO_adc, /* d = d + s + carry */
RXO_sbb, /* d = d - s - ~carry */
RXO_abs, /* d = |s| */
RXO_max, /* d = max(d,s) */
RXO_min, /* d = min(d,s) */
RXO_emul, /* d:64 = d:32 * s */
RXO_emulu, /* d:64 = d:32 * s (unsigned) */
RXO_ediv, /* d:64 / s; d = quot, d+1 = rem */
RXO_edivu, /* d:64 / s; d = quot, d+1 = rem */
RXO_rolc, /* d <<= 1 through carry */
RXO_rorc, /* d >>= 1 through carry*/
RXO_rotl, /* d <<= #s without carry */
RXO_rotr, /* d >>= #s without carry*/
RXO_revw, /* d = revw(s) */
RXO_revl, /* d = revl(s) */
RXO_branch, /* pc = d if cond(s) */
RXO_branchrel,/* pc += d if cond(s) */
RXO_jsr, /* pc = d */
RXO_jsrrel, /* pc += d */
RXO_rts,
RXO_nop,
RXO_scmpu,
RXO_smovu,
RXO_smovb,
RXO_suntil,
RXO_swhile,
RXO_smovf,
RXO_sstr,
RXO_rmpa,
RXO_mulhi,
RXO_mullo,
RXO_machi,
RXO_maclo,
RXO_mvtachi,
RXO_mvtaclo,
RXO_mvfachi,
RXO_mvfacmi,
RXO_mvfaclo,
RXO_racw,
RXO_sat, /* sat(d) */
RXO_satr,
RXO_fadd, /* d op= s */
RXO_fcmp,
RXO_fsub,
RXO_ftoi,
RXO_fmul,
RXO_fdiv,
RXO_round,
RXO_itof,
RXO_bset, /* d |= (1<<s) */
RXO_bclr, /* d &= ~(1<<s) */
RXO_btst, /* s & (1<<s2) */
RXO_bnot, /* d ^= (1<<s) */
RXO_bmcc, /* d<s> = cond(s2) */
RXO_clrpsw, /* flag index in d */
RXO_setpsw, /* flag index in d */
RXO_mvtcp, /* cop# in s2, cop[d] = s */
RXO_mvfcp, /* cop# in s2, d = cop[s] */
RXO_opecp, /* cop# in s2, do cop[s] */
RXO_rtfi,
RXO_rte,
RXO_rtd, /* undocumented */
RXO_brk,
RXO_dbt, /* undocumented */
RXO_int, /* vector id in s */
RXO_stop,
RXO_wait,
RXO_sccnd, /* d = cond(s) ? 1 : 0 */
} RX_Opcode_ID;
/* Condition bitpatterns, as registers. */
#define RXC_eq 0
#define RXC_z 0
#define RXC_ne 1
#define RXC_nz 1
#define RXC_c 2
#define RXC_nc 3
#define RXC_gtu 4
#define RXC_leu 5
#define RXC_pz 6
#define RXC_n 7
#define RXC_ge 8
#define RXC_lt 9
#define RXC_gt 10
#define RXC_le 11
#define RXC_o 12
#define RXC_no 13
#define RXC_always 14
#define RXC_never 15
typedef struct
{
RX_Operand_Type type;
int reg;
int addend;
RX_Size size;
} RX_Opcode_Operand;
typedef struct
{
RX_Opcode_ID id;
int n_bytes;
int prefix;
char * syntax;
RX_Size size;
/* By convention, these are destination, source1, source2. */
RX_Opcode_Operand op[3];
/* The logic here is:
newflags = (oldflags & ~(int)flags_0) | flags_1 | (op_flags & flags_s)
Only the O, S, Z, and C flags are affected. */
char flags_0; /* This also clears out flags-to-be-set. */
char flags_1;
char flags_s;
} RX_Opcode_Decoded;
/* Within the syntax, %c-style format specifiers are as follows:
%% = '%' character
%0 = operand[0] (destination)
%1 = operand[1] (source)
%2 = operand[2] (2nd source)
%s = operation size (b/w/l)
%SN = operand size [N] (N=0,1,2)
%aN = op[N] as an address (N=0,1,2)
Register numbers 0..15 are general registers. 16..31 are control
registers. 32..47 are condition codes. */
int rx_decode_opcode (unsigned long, RX_Opcode_Decoded *, int (*)(void *), void *);