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authorNick Clifton <nickc@redhat.com>2009-09-29 14:17:19 +0000
committerNick Clifton <nickc@redhat.com>2009-09-29 14:17:19 +0000
commitc7927a3c0ef1d97faf24f1df31baf419e2d92fa1 (patch)
tree1945b2f761590ba0f6c3930e7b0e7f1a0387dd33 /include/opcode
parent8765b556928465dc61f7bc00061c2a411a015361 (diff)
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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.
Diffstat (limited to 'include/opcode')
-rw-r--r--include/opcode/ChangeLog4
-rw-r--r--include/opcode/rx.h218
2 files changed, 222 insertions, 0 deletions
diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index 29f717b..2fddcdf 100644
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -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.
diff --git a/include/opcode/rx.h b/include/opcode/rx.h
new file mode 100644
index 0000000..7081ccc
--- /dev/null
+++ b/include/opcode/rx.h
@@ -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 *);