/* Print mips instructions for GDB, the GNU debugger, or for objdump.
- Copyright 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2005, 2006, 2007, 2008, 2009, 2012
- Free Software Foundation, Inc.
+ Copyright (C) 1989-2022 Free Software Foundation, Inc.
Contributed by Nobuyuki Hikichi(hikichi@sra.co.jp).
This file is part of the GNU opcodes library.
MA 02110-1301, USA. */
#include "sysdep.h"
-#include "dis-asm.h"
+#include "disassemble.h"
#include "libiberty.h"
#include "opcode/mips.h"
#include "opintl.h"
+#include "elf-bfd.h"
+#include "elf/mips.h"
+#include "elfxx-mips.h"
/* FIXME: These are needed to figure out if the code is mips16 or
not. The low bit of the address is often a good indicator. No
#if !defined(EMBEDDED_ENV)
#define SYMTAB_AVAILABLE 1
-#include "elf-bfd.h"
-#include "elf/mips.h"
#endif
/* Mips instructions are at maximum this many bytes long. */
const char * const name;
};
-/* The mips16 registers. */
-static const unsigned int mips16_to_32_reg_map[] =
-{
- 16, 17, 2, 3, 4, 5, 6, 7
-};
-
-/* The microMIPS registers with type b. */
-#define micromips_to_32_reg_b_map mips16_to_32_reg_map
-
-/* The microMIPS registers with type c. */
-#define micromips_to_32_reg_c_map mips16_to_32_reg_map
-
-/* The microMIPS registers with type d. */
-#define micromips_to_32_reg_d_map mips16_to_32_reg_map
-
-/* The microMIPS registers with type e. */
-#define micromips_to_32_reg_e_map mips16_to_32_reg_map
-
-/* The microMIPS registers with type f. */
-#define micromips_to_32_reg_f_map mips16_to_32_reg_map
-
-/* The microMIPS registers with type g. */
-#define micromips_to_32_reg_g_map mips16_to_32_reg_map
-
-/* The microMIPS registers with type h. */
-static const unsigned int micromips_to_32_reg_h_map1[] =
-{
- 5, 5, 6, 4, 4, 4, 4, 4
-};
-static const unsigned int micromips_to_32_reg_h_map2[] =
-{
- 6, 7, 7, 21, 22, 5, 6, 7
-};
-
-/* The microMIPS registers with type j: 32 registers. */
-
-/* The microMIPS registers with type l. */
-#define micromips_to_32_reg_l_map mips16_to_32_reg_map
-
-/* The microMIPS registers with type m. */
-static const unsigned int micromips_to_32_reg_m_map[] =
-{
- 0, 17, 2, 3, 16, 18, 19, 20
-};
-
-/* The microMIPS registers with type n. */
-#define micromips_to_32_reg_n_map micromips_to_32_reg_m_map
-
-/* The microMIPS registers with type p: 32 registers. */
-
-/* The microMIPS registers with type q. */
-static const unsigned int micromips_to_32_reg_q_map[] =
-{
- 0, 17, 2, 3, 4, 5, 6, 7
-};
-
-/* reg type s is $29. */
-
-/* reg type t is the same as the last register. */
-
-/* reg type y is $31. */
-
-/* reg type z is $0. */
-
-/* micromips imm B type. */
-static const int micromips_imm_b_map[8] =
-{
- 1, 4, 8, 12, 16, 20, 24, -1
-};
-
-/* micromips imm C type. */
-static const int micromips_imm_c_map[16] =
-{
- 128, 1, 2, 3, 4, 7, 8, 15, 16, 31, 32, 63, 64, 255, 32768, 65535
-};
-
-/* micromips imm D type: (-512..511)<<1. */
-/* micromips imm E type: (-64..63)<<1. */
-/* micromips imm F type: (0..63). */
-/* micromips imm G type: (-1..14). */
-/* micromips imm H type: (0..15)<<1. */
-/* micromips imm I type: (-1..126). */
-/* micromips imm J type: (0..15)<<2. */
-/* micromips imm L type: (0..15). */
-/* micromips imm M type: (1..8). */
-/* micromips imm W type: (0..63)<<2. */
-/* micromips imm X type: (-8..7). */
-/* micromips imm Y type: (-258..-3, 2..257)<<2. */
-
-#define mips16_reg_names(rn) mips_gpr_names[mips16_to_32_reg_map[rn]]
-
-
static const char * const mips_gpr_names_numeric[32] =
{
"$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7",
"$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31"
};
+static const char * const mips_cp1_names_numeric[32] =
+{
+ "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7",
+ "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15",
+ "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23",
+ "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31"
+};
+
+static const char * const mips_cp0_names_r3900[32] =
+{
+ "$0", "$1", "$2", "c0_config",
+ "$4", "$5", "$6", "c0_cache",
+ "c0_badvaddr", "$9", "$10", "$11",
+ "c0_sr", "c0_cause", "c0_epc", "c0_prid",
+ "c0_debug", "c0_depc", "$18", "$19",
+ "$20", "$21", "$22", "$23",
+ "$24", "$25", "$26", "$27",
+ "$28", "$29", "$30", "$31",
+};
+
static const char * const mips_cp0_names_r3000[32] =
{
"c0_index", "c0_random", "c0_entrylo", "$3",
"c0_taglo", "c0_taghi", "c0_errorepc", "$31"
};
-static const struct mips_cp0sel_name mips_cp0sel_names_mipsr5900[] =
-{
- { 24, 2, "c0_iab" },
- { 24, 3, "c0_iabm" },
- { 24, 4, "c0_dab" },
- { 24, 5, "c0_dabm" },
- { 24, 6, "c0_dvb" },
- { 24, 7, "c0_dvbm" },
- { 25, 1, "c0_perfcnt,1" },
- { 25, 2, "c0_perfcnt,2" }
-};
-
static const char * const mips_cp0_names_mips3264[32] =
{
"c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1",
"c0_taglo", "c0_taghi", "c0_errorepc", "c0_desave",
};
+static const char * const mips_cp1_names_mips[32] =
+{
+ "c1_fir", "$1", "$2", "$3",
+ "$4", "$5", "$6", "$7",
+ "$8", "$9", "$10", "$11",
+ "$12", "$13", "$14", "$15",
+ "$16", "$17", "$18", "$19",
+ "$20", "$21", "$22", "$23",
+ "$24", "$25", "$26", "$27",
+ "$28", "$29", "$30", "c1_fcsr"
+};
+
+static const char * const mips_cp1_names_mips3264[32] =
+{
+ "c1_fir", "c1_ufr", "$2", "$3",
+ "c1_unfr", "$5", "$6", "$7",
+ "$8", "$9", "$10", "$11",
+ "$12", "$13", "$14", "$15",
+ "$16", "$17", "$18", "$19",
+ "$20", "$21", "$22", "$23",
+ "$24", "c1_fccr", "c1_fexr", "$27",
+ "c1_fenr", "$29", "$30", "c1_fcsr"
+};
+
static const struct mips_cp0sel_name mips_cp0sel_names_mips3264[] =
{
{ 16, 1, "c0_config1" },
"$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31"
};
+static const char * const msa_control_names[32] =
+{
+ "msa_ir", "msa_csr", "msa_access", "msa_save",
+ "msa_modify", "msa_request", "msa_map", "msa_unmap",
+ "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15",
+ "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23",
+ "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31"
+};
+
struct mips_abi_choice
{
const char * name;
const char * const *cp0_names;
const struct mips_cp0sel_name *cp0sel_names;
unsigned int cp0sel_names_len;
+ const char * const *cp1_names;
const char * const *hwr_names;
};
const struct mips_arch_choice mips_arch_choices[] =
{
{ "numeric", 0, 0, 0, 0, 0,
- mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
{ "r3000", 1, bfd_mach_mips3000, CPU_R3000, ISA_MIPS1, 0,
- mips_cp0_names_r3000, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_r3000, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
{ "r3900", 1, bfd_mach_mips3900, CPU_R3900, ISA_MIPS1, 0,
- mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_r3900, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
{ "r4000", 1, bfd_mach_mips4000, CPU_R4000, ISA_MIPS3, 0,
- mips_cp0_names_r4000, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_r4000, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
{ "r4010", 1, bfd_mach_mips4010, CPU_R4010, ISA_MIPS2, 0,
- mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
{ "vr4100", 1, bfd_mach_mips4100, CPU_VR4100, ISA_MIPS3, 0,
- mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
{ "vr4111", 1, bfd_mach_mips4111, CPU_R4111, ISA_MIPS3, 0,
- mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
{ "vr4120", 1, bfd_mach_mips4120, CPU_VR4120, ISA_MIPS3, 0,
- mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
{ "r4300", 1, bfd_mach_mips4300, CPU_R4300, ISA_MIPS3, 0,
- mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
{ "r4400", 1, bfd_mach_mips4400, CPU_R4400, ISA_MIPS3, 0,
- mips_cp0_names_r4000, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_r4000, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
{ "r4600", 1, bfd_mach_mips4600, CPU_R4600, ISA_MIPS3, 0,
- mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
{ "r4650", 1, bfd_mach_mips4650, CPU_R4650, ISA_MIPS3, 0,
- mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
{ "r5000", 1, bfd_mach_mips5000, CPU_R5000, ISA_MIPS4, 0,
- mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
{ "vr5400", 1, bfd_mach_mips5400, CPU_VR5400, ISA_MIPS4, 0,
- mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
{ "vr5500", 1, bfd_mach_mips5500, CPU_VR5500, ISA_MIPS4, 0,
- mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
{ "r5900", 1, bfd_mach_mips5900, CPU_R5900, ISA_MIPS3, 0,
- mips_cp0_names_r5900, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_r5900, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
{ "r6000", 1, bfd_mach_mips6000, CPU_R6000, ISA_MIPS2, 0,
- mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
{ "rm7000", 1, bfd_mach_mips7000, CPU_RM7000, ISA_MIPS4, 0,
- mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
{ "rm9000", 1, bfd_mach_mips7000, CPU_RM7000, ISA_MIPS4, 0,
- mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
{ "r8000", 1, bfd_mach_mips8000, CPU_R8000, ISA_MIPS4, 0,
- mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
{ "r10000", 1, bfd_mach_mips10000, CPU_R10000, ISA_MIPS4, 0,
- mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
{ "r12000", 1, bfd_mach_mips12000, CPU_R12000, ISA_MIPS4, 0,
- mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
{ "r14000", 1, bfd_mach_mips14000, CPU_R14000, ISA_MIPS4, 0,
- mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
{ "r16000", 1, bfd_mach_mips16000, CPU_R16000, ISA_MIPS4, 0,
- mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
{ "mips5", 1, bfd_mach_mips5, CPU_MIPS5, ISA_MIPS5, 0,
- mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips,
+ mips_hwr_names_numeric },
/* For stock MIPS32, disassemble all applicable MIPS-specified ASEs.
Note that MIPS-3D and MDMX are not applicable to MIPS32. (See
ISA_MIPS32, ASE_SMARTMIPS,
mips_cp0_names_mips3264,
mips_cp0sel_names_mips3264, ARRAY_SIZE (mips_cp0sel_names_mips3264),
- mips_hwr_names_numeric },
+ mips_cp1_names_mips3264, mips_hwr_names_numeric },
{ "mips32r2", 1, bfd_mach_mipsisa32r2, CPU_MIPS32R2,
ISA_MIPS32R2,
(ASE_SMARTMIPS | ASE_DSP | ASE_DSPR2 | ASE_EVA | ASE_MIPS3D
- | ASE_MT | ASE_MCU | ASE_VIRT),
+ | ASE_MT | ASE_MCU | ASE_VIRT | ASE_MSA | ASE_XPA),
+ mips_cp0_names_mips3264r2,
+ mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
+ mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
+
+ { "mips32r3", 1, bfd_mach_mipsisa32r3, CPU_MIPS32R3,
+ ISA_MIPS32R3,
+ (ASE_SMARTMIPS | ASE_DSP | ASE_DSPR2 | ASE_EVA | ASE_MIPS3D
+ | ASE_MT | ASE_MCU | ASE_VIRT | ASE_MSA | ASE_XPA),
+ mips_cp0_names_mips3264r2,
+ mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
+ mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
+
+ { "mips32r5", 1, bfd_mach_mipsisa32r5, CPU_MIPS32R5,
+ ISA_MIPS32R5,
+ (ASE_SMARTMIPS | ASE_DSP | ASE_DSPR2 | ASE_EVA | ASE_MIPS3D
+ | ASE_MT | ASE_MCU | ASE_VIRT | ASE_MSA | ASE_XPA),
+ mips_cp0_names_mips3264r2,
+ mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
+ mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
+
+ { "mips32r6", 1, bfd_mach_mipsisa32r6, CPU_MIPS32R6,
+ ISA_MIPS32R6,
+ (ASE_EVA | ASE_MSA | ASE_VIRT | ASE_XPA | ASE_MCU | ASE_MT | ASE_DSP
+ | ASE_DSPR2 | ASE_DSPR3 | ASE_CRC | ASE_GINV),
mips_cp0_names_mips3264r2,
mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
- mips_hwr_names_mips3264r2 },
+ mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
/* For stock MIPS64, disassemble all applicable MIPS-specified ASEs. */
{ "mips64", 1, bfd_mach_mipsisa64, CPU_MIPS64,
ISA_MIPS64, ASE_MIPS3D | ASE_MDMX,
mips_cp0_names_mips3264,
mips_cp0sel_names_mips3264, ARRAY_SIZE (mips_cp0sel_names_mips3264),
- mips_hwr_names_numeric },
+ mips_cp1_names_mips3264, mips_hwr_names_numeric },
{ "mips64r2", 1, bfd_mach_mipsisa64r2, CPU_MIPS64R2,
ISA_MIPS64R2,
(ASE_MIPS3D | ASE_DSP | ASE_DSPR2 | ASE_DSP64 | ASE_EVA | ASE_MT
- | ASE_MDMX | ASE_MCU | ASE_VIRT | ASE_VIRT64),
+ | ASE_MCU | ASE_VIRT | ASE_VIRT64 | ASE_MSA | ASE_MSA64 | ASE_XPA),
+ mips_cp0_names_mips3264r2,
+ mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
+ mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
+
+ { "mips64r3", 1, bfd_mach_mipsisa64r3, CPU_MIPS64R3,
+ ISA_MIPS64R3,
+ (ASE_MIPS3D | ASE_DSP | ASE_DSPR2 | ASE_DSP64 | ASE_EVA | ASE_MT
+ | ASE_MCU | ASE_VIRT | ASE_VIRT64 | ASE_MSA | ASE_MSA64 | ASE_XPA),
+ mips_cp0_names_mips3264r2,
+ mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
+ mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
+
+ { "mips64r5", 1, bfd_mach_mipsisa64r5, CPU_MIPS64R5,
+ ISA_MIPS64R5,
+ (ASE_MIPS3D | ASE_DSP | ASE_DSPR2 | ASE_DSP64 | ASE_EVA | ASE_MT
+ | ASE_MCU | ASE_VIRT | ASE_VIRT64 | ASE_MSA | ASE_MSA64 | ASE_XPA),
+ mips_cp0_names_mips3264r2,
+ mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
+ mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
+
+ { "mips64r6", 1, bfd_mach_mipsisa64r6, CPU_MIPS64R6,
+ ISA_MIPS64R6,
+ (ASE_EVA | ASE_MSA | ASE_MSA64 | ASE_XPA | ASE_VIRT | ASE_VIRT64
+ | ASE_MCU | ASE_MT | ASE_DSP | ASE_DSPR2 | ASE_DSPR3 | ASE_CRC
+ | ASE_CRC64 | ASE_GINV),
+ mips_cp0_names_mips3264r2,
+ mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
+ mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
+
+ { "interaptiv-mr2", 1, bfd_mach_mips_interaptiv_mr2, CPU_INTERAPTIV_MR2,
+ ISA_MIPS32R3,
+ ASE_MT | ASE_EVA | ASE_DSP | ASE_DSPR2 | ASE_MIPS16E2 | ASE_MIPS16E2_MT,
mips_cp0_names_mips3264r2,
mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
- mips_hwr_names_mips3264r2 },
+ mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
{ "sb1", 1, bfd_mach_mips_sb1, CPU_SB1,
ISA_MIPS64 | INSN_SB1, ASE_MIPS3D,
mips_cp0_names_sb1,
mips_cp0sel_names_sb1, ARRAY_SIZE (mips_cp0sel_names_sb1),
- mips_hwr_names_numeric },
+ mips_cp1_names_mips3264, mips_hwr_names_numeric },
{ "loongson2e", 1, bfd_mach_mips_loongson_2e, CPU_LOONGSON_2E,
ISA_MIPS3 | INSN_LOONGSON_2E, 0, mips_cp0_names_numeric,
- NULL, 0, mips_hwr_names_numeric },
+ NULL, 0, mips_cp1_names_mips, mips_hwr_names_numeric },
{ "loongson2f", 1, bfd_mach_mips_loongson_2f, CPU_LOONGSON_2F,
- ISA_MIPS3 | INSN_LOONGSON_2F, 0, mips_cp0_names_numeric,
- NULL, 0, mips_hwr_names_numeric },
+ ISA_MIPS3 | INSN_LOONGSON_2F, ASE_LOONGSON_MMI, mips_cp0_names_numeric,
+ NULL, 0, mips_cp1_names_mips, mips_hwr_names_numeric },
+
+ /* The loongson3a is an alias of gs464 for compatibility */
+ { "loongson3a", 1, bfd_mach_mips_gs464, CPU_GS464,
+ ISA_MIPS64R2, ASE_LOONGSON_MMI | ASE_LOONGSON_CAM | ASE_LOONGSON_EXT,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips3264,
+ mips_hwr_names_numeric },
+
+ { "gs464", 1, bfd_mach_mips_gs464, CPU_GS464,
+ ISA_MIPS64R2, ASE_LOONGSON_MMI | ASE_LOONGSON_CAM | ASE_LOONGSON_EXT,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips3264,
+ mips_hwr_names_numeric },
+
+ { "gs464e", 1, bfd_mach_mips_gs464e, CPU_GS464E,
+ ISA_MIPS64R2, ASE_LOONGSON_MMI | ASE_LOONGSON_CAM | ASE_LOONGSON_EXT
+ | ASE_LOONGSON_EXT2, mips_cp0_names_numeric, NULL, 0, mips_cp1_names_mips3264,
+ mips_hwr_names_numeric },
- { "loongson3a", 1, bfd_mach_mips_loongson_3a, CPU_LOONGSON_3A,
- ISA_MIPS64 | INSN_LOONGSON_3A, 0, mips_cp0_names_numeric,
- NULL, 0, mips_hwr_names_numeric },
+ { "gs264e", 1, bfd_mach_mips_gs264e, CPU_GS264E,
+ ISA_MIPS64R2, ASE_LOONGSON_MMI | ASE_LOONGSON_CAM | ASE_LOONGSON_EXT
+ | ASE_LOONGSON_EXT2 | ASE_MSA | ASE_MSA64, mips_cp0_names_numeric, NULL,
+ 0, mips_cp1_names_mips3264, mips_hwr_names_numeric },
{ "octeon", 1, bfd_mach_mips_octeon, CPU_OCTEON,
ISA_MIPS64R2 | INSN_OCTEON, 0, mips_cp0_names_numeric, NULL, 0,
- mips_hwr_names_numeric },
+ mips_cp1_names_mips3264, mips_hwr_names_numeric },
{ "octeon+", 1, bfd_mach_mips_octeonp, CPU_OCTEONP,
ISA_MIPS64R2 | INSN_OCTEONP, 0, mips_cp0_names_numeric,
- NULL, 0, mips_hwr_names_numeric },
+ NULL, 0, mips_cp1_names_mips3264, mips_hwr_names_numeric },
{ "octeon2", 1, bfd_mach_mips_octeon2, CPU_OCTEON2,
ISA_MIPS64R2 | INSN_OCTEON2, 0, mips_cp0_names_numeric,
- NULL, 0, mips_hwr_names_numeric },
+ NULL, 0, mips_cp1_names_mips3264, mips_hwr_names_numeric },
+
+ { "octeon3", 1, bfd_mach_mips_octeon3, CPU_OCTEON3,
+ ISA_MIPS64R5 | INSN_OCTEON3, ASE_VIRT | ASE_VIRT64,
+ mips_cp0_names_numeric,
+ NULL, 0, mips_cp1_names_mips3264, mips_hwr_names_numeric },
{ "xlr", 1, bfd_mach_mips_xlr, CPU_XLR,
ISA_MIPS64 | INSN_XLR, 0,
mips_cp0_names_xlr,
mips_cp0sel_names_xlr, ARRAY_SIZE (mips_cp0sel_names_xlr),
- mips_hwr_names_numeric },
+ mips_cp1_names_mips3264, mips_hwr_names_numeric },
/* XLP is mostly like XLR, with the prominent exception it is being
MIPS64R2. */
ISA_MIPS64R2 | INSN_XLR, 0,
mips_cp0_names_xlr,
mips_cp0sel_names_xlr, ARRAY_SIZE (mips_cp0sel_names_xlr),
- mips_hwr_names_numeric },
+ mips_cp1_names_mips3264, mips_hwr_names_numeric },
/* This entry, mips16, is here only for ISA/processor selection; do
not print its name. */
- { "", 1, bfd_mach_mips16, CPU_MIPS16, ISA_MIPS3, 0,
- mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+ { "", 1, bfd_mach_mips16, CPU_MIPS16, ISA_MIPS64,
+ ASE_MIPS16E2 | ASE_MIPS16E2_MT,
+ mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
+ mips_hwr_names_numeric },
};
/* ISA and processor type to disassemble for, and register names to use.
static const char * const *mips_cp0_names;
static const struct mips_cp0sel_name *mips_cp0sel_names;
static int mips_cp0sel_names_len;
+static const char * const *mips_cp1_names;
static const char * const *mips_hwr_names;
/* Other options */
return 0;
}
+/* Convert ASE flags from .MIPS.abiflags to internal values. */
+
+static unsigned long
+mips_convert_abiflags_ases (unsigned long afl_ases)
+{
+ unsigned long opcode_ases = 0;
+
+ if (afl_ases & AFL_ASE_DSP)
+ opcode_ases |= ASE_DSP;
+ if (afl_ases & AFL_ASE_DSPR2)
+ opcode_ases |= ASE_DSPR2;
+ if (afl_ases & AFL_ASE_EVA)
+ opcode_ases |= ASE_EVA;
+ if (afl_ases & AFL_ASE_MCU)
+ opcode_ases |= ASE_MCU;
+ if (afl_ases & AFL_ASE_MDMX)
+ opcode_ases |= ASE_MDMX;
+ if (afl_ases & AFL_ASE_MIPS3D)
+ opcode_ases |= ASE_MIPS3D;
+ if (afl_ases & AFL_ASE_MT)
+ opcode_ases |= ASE_MT;
+ if (afl_ases & AFL_ASE_SMARTMIPS)
+ opcode_ases |= ASE_SMARTMIPS;
+ if (afl_ases & AFL_ASE_VIRT)
+ opcode_ases |= ASE_VIRT;
+ if (afl_ases & AFL_ASE_MSA)
+ opcode_ases |= ASE_MSA;
+ if (afl_ases & AFL_ASE_XPA)
+ opcode_ases |= ASE_XPA;
+ if (afl_ases & AFL_ASE_DSPR3)
+ opcode_ases |= ASE_DSPR3;
+ if (afl_ases & AFL_ASE_MIPS16E2)
+ opcode_ases |= ASE_MIPS16E2;
+ return opcode_ases;
+}
+
+/* Calculate combination ASE flags from regular ASE flags. */
+
+static unsigned long
+mips_calculate_combination_ases (int opcode_isa, unsigned long opcode_ases)
+{
+ unsigned long combination_ases = 0;
+
+ if ((opcode_ases & (ASE_XPA | ASE_VIRT)) == (ASE_XPA | ASE_VIRT))
+ combination_ases |= ASE_XPA_VIRT;
+ if ((opcode_ases & (ASE_MIPS16E2 | ASE_MT)) == (ASE_MIPS16E2 | ASE_MT))
+ combination_ases |= ASE_MIPS16E2_MT;
+ if ((opcode_ases & ASE_EVA)
+ && ((opcode_isa & INSN_ISA_MASK) == ISA_MIPS64R6
+ || (opcode_isa & INSN_ISA_MASK) == ISA_MIPS32R6))
+ combination_ases |= ASE_EVA_R6;
+ return combination_ases;
+}
+
static void
set_default_mips_dis_options (struct disassemble_info *info)
{
mips_cp0_names = mips_cp0_names_numeric;
mips_cp0sel_names = NULL;
mips_cp0sel_names_len = 0;
+ mips_cp1_names = mips_cp1_names_numeric;
mips_hwr_names = mips_hwr_names_numeric;
no_aliases = 0;
- /* Update settings according to the ELF file header flags. */
- if (info->flavour == bfd_target_elf_flavour && info->section != NULL)
- {
- Elf_Internal_Ehdr *header;
-
- header = elf_elfheader (info->section->owner);
- /* If an ELF "newabi" binary, use the n32/(n)64 GPR names. */
- if (is_newabi (header))
- mips_gpr_names = mips_gpr_names_newabi;
- /* If a microMIPS binary, then don't use MIPS16 bindings. */
- micromips_ase = is_micromips (header);
- }
-
/* Set ISA, architecture, and cp0 register names as best we can. */
#if ! SYMTAB_AVAILABLE
/* This is running out on a target machine, not in a host tool.
mips_cp0_names = chosen_arch->cp0_names;
mips_cp0sel_names = chosen_arch->cp0sel_names;
mips_cp0sel_names_len = chosen_arch->cp0sel_names_len;
+ mips_cp1_names = chosen_arch->cp1_names;
mips_hwr_names = chosen_arch->hwr_names;
}
+
+ /* Update settings according to the ELF file header flags. */
+ if (info->flavour == bfd_target_elf_flavour && info->section != NULL)
+ {
+ struct bfd *abfd = info->section->owner;
+ Elf_Internal_Ehdr *header = elf_elfheader (abfd);
+ Elf_Internal_ABIFlags_v0 *abiflags = NULL;
+
+ /* We won't ever get here if !HAVE_BFD_MIPS_ELF_GET_ABIFLAGS,
+ because we won't then have a MIPS/ELF BFD, however we need
+ to guard against a link error in a `--enable-targets=...'
+ configuration with a 32-bit host where the MIPS target is
+ a secondary, or with MIPS/ECOFF configurations. */
+#ifdef HAVE_BFD_MIPS_ELF_GET_ABIFLAGS
+ abiflags = bfd_mips_elf_get_abiflags (abfd);
+#endif
+ /* If an ELF "newabi" binary, use the n32/(n)64 GPR names. */
+ if (is_newabi (header))
+ mips_gpr_names = mips_gpr_names_newabi;
+ /* If a microMIPS binary, then don't use MIPS16 bindings. */
+ micromips_ase = is_micromips (header);
+ /* OR in any extra ASE flags set in ELF file structures. */
+ if (abiflags)
+ mips_ase |= mips_convert_abiflags_ases (abiflags->ases);
+ else if (header->e_flags & EF_MIPS_ARCH_ASE_MDMX)
+ mips_ase |= ASE_MDMX;
+ }
#endif
+ mips_ase |= mips_calculate_combination_ases (mips_isa, mips_ase);
+}
+
+/* Parse an ASE disassembler option and set the corresponding global
+ ASE flag(s). Return TRUE if successful, FALSE otherwise. */
+
+static bool
+parse_mips_ase_option (const char *option)
+{
+ if (startswith (option, "msa"))
+ {
+ mips_ase |= ASE_MSA;
+ if ((mips_isa & INSN_ISA_MASK) == ISA_MIPS64R2
+ || (mips_isa & INSN_ISA_MASK) == ISA_MIPS64R3
+ || (mips_isa & INSN_ISA_MASK) == ISA_MIPS64R5
+ || (mips_isa & INSN_ISA_MASK) == ISA_MIPS64R6)
+ mips_ase |= ASE_MSA64;
+ return true;
+ }
+
+ if (startswith (option, "virt"))
+ {
+ mips_ase |= ASE_VIRT;
+ if (mips_isa & ISA_MIPS64R2
+ || mips_isa & ISA_MIPS64R3
+ || mips_isa & ISA_MIPS64R5
+ || mips_isa & ISA_MIPS64R6)
+ mips_ase |= ASE_VIRT64;
+ return true;
+ }
+
+ if (startswith (option, "xpa"))
+ {
+ mips_ase |= ASE_XPA;
+ return true;
+ }
+
+ if (startswith (option, "ginv"))
+ {
+ mips_ase |= ASE_GINV;
+ return true;
+ }
+
+ if (startswith (option, "loongson-mmi"))
+ {
+ mips_ase |= ASE_LOONGSON_MMI;
+ return true;
+ }
+
+ if (startswith (option, "loongson-cam"))
+ {
+ mips_ase |= ASE_LOONGSON_CAM;
+ return true;
+ }
+
+ /* Put here for match ext2 frist */
+ if (startswith (option, "loongson-ext2"))
+ {
+ mips_ase |= ASE_LOONGSON_EXT2;
+ return true;
+ }
+
+ if (startswith (option, "loongson-ext"))
+ {
+ mips_ase |= ASE_LOONGSON_EXT;
+ return true;
+ }
+
+ return false;
}
static void
const struct mips_arch_choice *chosen_arch;
/* Try to match options that are simple flags */
- if (CONST_STRNEQ (option, "no-aliases"))
+ if (startswith (option, "no-aliases"))
{
no_aliases = 1;
return;
}
- if (CONST_STRNEQ (option, "virt"))
+ if (parse_mips_ase_option (option))
{
- mips_ase |= ASE_VIRT;
- if (mips_isa & ISA_MIPS64R2)
- mips_ase |= ASE_VIRT64;
+ mips_ase |= mips_calculate_combination_ases (mips_isa, mips_ase);
return;
}
-
+
/* Look for the = that delimits the end of the option name. */
for (i = 0; i < len; i++)
if (option[i] == '=')
return;
}
+ if (strncmp ("cp1-names", option, optionlen) == 0
+ && strlen ("cp1-names") == optionlen)
+ {
+ chosen_arch = choose_arch_by_name (val, vallen);
+ if (chosen_arch != NULL)
+ mips_cp1_names = chosen_arch->cp1_names;
+ return;
+ }
+
if (strncmp ("hwr-names", option, optionlen) == 0
&& strlen ("hwr-names") == optionlen)
{
mips_cp0_names = chosen_arch->cp0_names;
mips_cp0sel_names = chosen_arch->cp0sel_names;
mips_cp0sel_names_len = chosen_arch->cp0sel_names_len;
+ mips_cp1_names = chosen_arch->cp1_names;
mips_hwr_names = chosen_arch->hwr_names;
}
return;
return &names[i];
return NULL;
}
-\f
-/* Print insn arguments for 32/64-bit code. */
+
+/* Print register REGNO, of type TYPE, for instruction OPCODE. */
static void
-print_insn_args (const char *d,
- int l,
- bfd_vma pc,
- struct disassemble_info *info,
- const struct mips_opcode *opp)
+print_reg (struct disassemble_info *info, const struct mips_opcode *opcode,
+ enum mips_reg_operand_type type, int regno)
{
- const fprintf_ftype infprintf = info->fprintf_func;
- unsigned int lsb, msb, msbd, cpreg;
- void *is = info->stream;
-
- lsb = 0;
-
-#define GET_OP(insn, field) \
- (((insn) >> OP_SH_##field) & OP_MASK_##field)
-#define GET_OP_S(insn, field) \
- ((GET_OP (insn, field) ^ ((OP_MASK_##field >> 1) + 1)) \
- - ((OP_MASK_##field >> 1) + 1))
- for (; *d != '\0'; d++)
+ switch (type)
{
- switch (*d)
- {
- case ',':
- case '(':
- case ')':
- infprintf (is, "%c", *d);
- break;
+ case OP_REG_GP:
+ info->fprintf_func (info->stream, "%s", mips_gpr_names[regno]);
+ break;
- case '+':
- /* Extension character; switch for second char. */
- d++;
- switch (*d)
- {
- case '\0':
- /* xgettext:c-format */
- infprintf (is,
- _("# internal error, "
- "incomplete extension sequence (+)"));
- return;
+ case OP_REG_FP:
+ info->fprintf_func (info->stream, "%s", mips_fpr_names[regno]);
+ break;
- case 'A':
- lsb = GET_OP (l, SHAMT);
- infprintf (is, "0x%x", lsb);
- break;
-
- case 'B':
- msb = GET_OP (l, INSMSB);
- infprintf (is, "0x%x", msb - lsb + 1);
- break;
-
- case '1':
- infprintf (is, "0x%x", GET_OP (l, UDI1));
- break;
-
- case '2':
- infprintf (is, "0x%x", GET_OP (l, UDI2));
- break;
-
- case '3':
- infprintf (is, "0x%x", GET_OP (l, UDI3));
- break;
-
- case '4':
- infprintf (is, "0x%x", GET_OP (l, UDI4));
- break;
-
- case 'C':
- case 'H':
- msbd = GET_OP (l, EXTMSBD);
- infprintf (is, "0x%x", msbd + 1);
- break;
-
- case 'E':
- lsb = GET_OP (l, SHAMT) + 32;
- infprintf (is, "0x%x", lsb);
- break;
-
- case 'F':
- msb = GET_OP (l, INSMSB) + 32;
- infprintf (is, "0x%x", msb - lsb + 1);
- break;
-
- case 'G':
- msbd = GET_OP (l, EXTMSBD) + 32;
- infprintf (is, "0x%x", msbd + 1);
- break;
-
- case 'J': /* hypcall operand */
- infprintf (is, "0x%x", GET_OP (l, CODE10));
- break;
-
- case 't': /* Coprocessor 0 reg name */
- infprintf (is, "%s", mips_cp0_names[GET_OP (l, RT)]);
- break;
-
- case 'x': /* bbit bit index */
- infprintf (is, "0x%x", GET_OP (l, BBITIND));
- break;
-
- case 'p': /* cins, cins32, exts and exts32 position */
- infprintf (is, "0x%x", GET_OP (l, CINSPOS));
- break;
-
- case 's': /* cins32 and exts32 length-minus-one */
- case 'S': /* cins and exts length-minus-one field */
- infprintf (is, "0x%x", GET_OP (l, CINSLM1));
- break;
-
- case 'Q': /* seqi/snei immediate field */
- infprintf (is, "%d", GET_OP_S (l, SEQI));
- break;
-
- case 'a': /* 8-bit signed offset in bit 6 */
- infprintf (is, "%d", GET_OP_S (l, OFFSET_A));
- break;
-
- case 'b': /* 8-bit signed offset in bit 3 */
- infprintf (is, "%d", GET_OP_S (l, OFFSET_B));
- break;
-
- case 'c': /* 9-bit signed offset in bit 6 */
- /* Left shift 4 bits to print the real offset. */
- infprintf (is, "%d", GET_OP_S (l, OFFSET_C) << 4);
- break;
-
- case 'z':
- infprintf (is, "%s", mips_gpr_names[GET_OP (l, RZ)]);
- break;
-
- case 'Z':
- infprintf (is, "%s", mips_fpr_names[GET_OP (l, FZ)]);
- break;
-
- case 'i': /* JALX destination */
- info->target = (((pc + 4) & ~(bfd_vma) 0x0fffffff)
- | (GET_OP (l, TARGET) << 2));
- /* For gdb disassembler, force odd address on jalx. */
- if (info->flavour == bfd_target_unknown_flavour)
- info->target |= 1;
- (*info->print_address_func) (info->target, info);
- break;
-
- case 'j': /* 9-bit signed offset in bit 7. */
- infprintf (is, "%d", GET_OP_S (l, EVAOFFSET));
- break;
-
- default:
- /* xgettext:c-format */
- infprintf (is,
- _("# internal error, "
- "undefined extension sequence (+%c)"),
- *d);
- return;
- }
- break;
+ case OP_REG_CCC:
+ if (opcode->pinfo & (FP_D | FP_S))
+ info->fprintf_func (info->stream, "$fcc%d", regno);
+ else
+ info->fprintf_func (info->stream, "$cc%d", regno);
+ break;
- case '2':
- infprintf (is, "0x%x", GET_OP (l, BP));
- break;
+ case OP_REG_VEC:
+ if (opcode->membership & INSN_5400)
+ info->fprintf_func (info->stream, "$f%d", regno);
+ else
+ info->fprintf_func (info->stream, "$v%d", regno);
+ break;
- case '3':
- infprintf (is, "0x%x", GET_OP (l, SA3));
- break;
+ case OP_REG_ACC:
+ info->fprintf_func (info->stream, "$ac%d", regno);
+ break;
- case '4':
- infprintf (is, "0x%x", GET_OP (l, SA4));
- break;
+ case OP_REG_COPRO:
+ if (opcode->name[strlen (opcode->name) - 1] == '0')
+ info->fprintf_func (info->stream, "%s", mips_cp0_names[regno]);
+ else
+ info->fprintf_func (info->stream, "$%d", regno);
+ break;
- case '5':
- infprintf (is, "0x%x", GET_OP (l, IMM8));
- break;
+ case OP_REG_CONTROL:
+ if (opcode->name[strlen (opcode->name) - 1] == '1')
+ info->fprintf_func (info->stream, "%s", mips_cp1_names[regno]);
+ else
+ info->fprintf_func (info->stream, "$%d", regno);
+ break;
- case '6':
- infprintf (is, "0x%x", GET_OP (l, RS));
- break;
+ case OP_REG_HW:
+ info->fprintf_func (info->stream, "%s", mips_hwr_names[regno]);
+ break;
- case '7':
- infprintf (is, "$ac%d", GET_OP (l, DSPACC));
- break;
+ case OP_REG_VF:
+ info->fprintf_func (info->stream, "$vf%d", regno);
+ break;
- case '8':
- infprintf (is, "0x%x", GET_OP (l, WRDSP));
- break;
+ case OP_REG_VI:
+ info->fprintf_func (info->stream, "$vi%d", regno);
+ break;
- case '9':
- infprintf (is, "$ac%d", GET_OP (l, DSPACC_S));
- break;
+ case OP_REG_R5900_I:
+ info->fprintf_func (info->stream, "$I");
+ break;
- case '0': /* dsp 6-bit signed immediate in bit 20 */
- infprintf (is, "%d", GET_OP_S (l, DSPSFT));
- break;
+ case OP_REG_R5900_Q:
+ info->fprintf_func (info->stream, "$Q");
+ break;
- case ':': /* dsp 7-bit signed immediate in bit 19 */
- infprintf (is, "%d", GET_OP_S (l, DSPSFT_7));
- break;
+ case OP_REG_R5900_R:
+ info->fprintf_func (info->stream, "$R");
+ break;
- case '~':
- infprintf (is, "%d", GET_OP_S (l, OFFSET12));
- break;
+ case OP_REG_R5900_ACC:
+ info->fprintf_func (info->stream, "$ACC");
+ break;
- case '\\':
- infprintf (is, "0x%x", GET_OP (l, 3BITPOS));
- break;
+ case OP_REG_MSA:
+ info->fprintf_func (info->stream, "$w%d", regno);
+ break;
- case '\'':
- infprintf (is, "0x%x", GET_OP (l, RDDSP));
- break;
+ case OP_REG_MSA_CTRL:
+ info->fprintf_func (info->stream, "%s", msa_control_names[regno]);
+ break;
- case '@': /* dsp 10-bit signed immediate in bit 16 */
- infprintf (is, "%d", GET_OP_S (l, IMM10));
- break;
+ }
+}
+\f
+/* Used to track the state carried over from previous operands in
+ an instruction. */
+struct mips_print_arg_state {
+ /* The value of the last OP_INT seen. We only use this for OP_MSB,
+ where the value is known to be unsigned and small. */
+ unsigned int last_int;
+
+ /* The type and number of the last OP_REG seen. We only use this for
+ OP_REPEAT_DEST_REG and OP_REPEAT_PREV_REG. */
+ enum mips_reg_operand_type last_reg_type;
+ unsigned int last_regno;
+ unsigned int dest_regno;
+ unsigned int seen_dest;
+};
- case '!':
- infprintf (is, "%d", GET_OP (l, MT_U));
- break;
+/* Initialize STATE for the start of an instruction. */
- case '$':
- infprintf (is, "%d", GET_OP (l, MT_H));
- break;
+static inline void
+init_print_arg_state (struct mips_print_arg_state *state)
+{
+ memset (state, 0, sizeof (*state));
+}
- case '*':
- infprintf (is, "$ac%d", GET_OP (l, MTACC_T));
- break;
+/* Print OP_VU0_SUFFIX or OP_VU0_MATCH_SUFFIX operand OPERAND,
+ whose value is given by UVAL. */
- case '&':
- infprintf (is, "$ac%d", GET_OP (l, MTACC_D));
- break;
+static void
+print_vu0_channel (struct disassemble_info *info,
+ const struct mips_operand *operand, unsigned int uval)
+{
+ if (operand->size == 4)
+ info->fprintf_func (info->stream, "%s%s%s%s",
+ uval & 8 ? "x" : "",
+ uval & 4 ? "y" : "",
+ uval & 2 ? "z" : "",
+ uval & 1 ? "w" : "");
+ else if (operand->size == 2)
+ info->fprintf_func (info->stream, "%c", "xyzw"[uval]);
+ else
+ abort ();
+}
- case 'g':
- /* Coprocessor register for CTTC1, MTTC2, MTHC2, CTTC2. */
- infprintf (is, "$%d", GET_OP (l, RD));
- break;
+/* Record information about a register operand. */
- case 's':
- case 'b':
- case 'r':
- case 'v':
- infprintf (is, "%s", mips_gpr_names[GET_OP (l, RS)]);
- break;
+static void
+mips_seen_register (struct mips_print_arg_state *state,
+ unsigned int regno,
+ enum mips_reg_operand_type reg_type)
+{
+ state->last_reg_type = reg_type;
+ state->last_regno = regno;
- case 't':
- case 'w':
- infprintf (is, "%s", mips_gpr_names[GET_OP (l, RT)]);
- break;
+ if (!state->seen_dest)
+ {
+ state->seen_dest = 1;
+ state->dest_regno = regno;
+ }
+}
- case 'i':
- case 'u':
- infprintf (is, "0x%x", GET_OP (l, IMMEDIATE));
- break;
+/* Print SAVE/RESTORE instruction operands according to the argument
+ register mask AMASK, the number of static registers saved NSREG,
+ the $ra, $s0 and $s1 register specifiers RA, S0 and S1 respectively,
+ and the frame size FRAME_SIZE. */
- case 'j': /* Same as i, but sign-extended. */
- case 'o':
- infprintf (is, "%d", GET_OP_S (l, DELTA));
- break;
+static void
+mips_print_save_restore (struct disassemble_info *info, unsigned int amask,
+ unsigned int nsreg, unsigned int ra,
+ unsigned int s0, unsigned int s1,
+ unsigned int frame_size)
+{
+ const fprintf_ftype infprintf = info->fprintf_func;
+ unsigned int nargs, nstatics, smask, i, j;
+ void *is = info->stream;
+ const char *sep;
- case 'h':
- infprintf (is, "0x%x", GET_OP (l, PREFX));
- break;
+ if (amask == MIPS_SVRS_ALL_ARGS)
+ {
+ nargs = 4;
+ nstatics = 0;
+ }
+ else if (amask == MIPS_SVRS_ALL_STATICS)
+ {
+ nargs = 0;
+ nstatics = 4;
+ }
+ else
+ {
+ nargs = amask >> 2;
+ nstatics = amask & 3;
+ }
- case 'k':
- infprintf (is, "0x%x", GET_OP (l, CACHE));
- break;
+ sep = "";
+ if (nargs > 0)
+ {
+ infprintf (is, "%s", mips_gpr_names[4]);
+ if (nargs > 1)
+ infprintf (is, "-%s", mips_gpr_names[4 + nargs - 1]);
+ sep = ",";
+ }
- case 'a':
- info->target = (((pc + 4) & ~(bfd_vma) 0x0fffffff)
- | (GET_OP (l, TARGET) << 2));
- (*info->print_address_func) (info->target, info);
- break;
+ infprintf (is, "%s%d", sep, frame_size);
- case 'p':
- /* Sign extend the displacement. */
- info->target = (GET_OP_S (l, DELTA) << 2) + pc + INSNLEN;
- (*info->print_address_func) (info->target, info);
- break;
+ if (ra) /* $ra */
+ infprintf (is, ",%s", mips_gpr_names[31]);
- case 'd':
- infprintf (is, "%s", mips_gpr_names[GET_OP (l, RD)]);
- break;
+ smask = 0;
+ if (s0) /* $s0 */
+ smask |= 1 << 0;
+ if (s1) /* $s1 */
+ smask |= 1 << 1;
+ if (nsreg > 0) /* $s2-$s8 */
+ smask |= ((1 << nsreg) - 1) << 2;
- case 'U':
- {
- /* First check for both rd and rt being equal. */
- unsigned int reg;
-
- reg = GET_OP (l, RD);
- if (reg == GET_OP (l, RT))
- infprintf (is, "%s", mips_gpr_names[reg]);
- else
- {
- /* If one is zero use the other. */
- if (reg == 0)
- infprintf (is, "%s", mips_gpr_names[GET_OP (l, RT)]);
- else if (GET_OP (l, RT) == 0)
- infprintf (is, "%s", mips_gpr_names[reg]);
- else /* Bogus, result depends on processor. */
- infprintf (is, "%s or %s",
- mips_gpr_names[reg],
- mips_gpr_names[GET_OP (l, RT)]);
- }
- }
- break;
+ for (i = 0; i < 9; i++)
+ if (smask & (1 << i))
+ {
+ infprintf (is, ",%s", mips_gpr_names[i == 8 ? 30 : (16 + i)]);
+ /* Skip over string of set bits. */
+ for (j = i; smask & (2 << j); j++)
+ continue;
+ if (j > i)
+ infprintf (is, "-%s", mips_gpr_names[j == 8 ? 30 : (16 + j)]);
+ i = j + 1;
+ }
+ /* Statics $ax - $a3. */
+ if (nstatics == 1)
+ infprintf (is, ",%s", mips_gpr_names[7]);
+ else if (nstatics > 0)
+ infprintf (is, ",%s-%s",
+ mips_gpr_names[7 - nstatics + 1],
+ mips_gpr_names[7]);
+}
- case 'z':
- infprintf (is, "%s", mips_gpr_names[0]);
- break;
- case '<':
- case '1':
- infprintf (is, "0x%x", GET_OP (l, SHAMT));
- break;
+/* Print operand OPERAND of OPCODE, using STATE to track inter-operand state.
+ UVAL is the encoding of the operand (shifted into bit 0) and BASE_PC is
+ the base address for OP_PCREL operands. */
- case 'c':
- infprintf (is, "0x%x", GET_OP (l, CODE));
- break;
+static void
+print_insn_arg (struct disassemble_info *info,
+ struct mips_print_arg_state *state,
+ const struct mips_opcode *opcode,
+ const struct mips_operand *operand,
+ bfd_vma base_pc,
+ unsigned int uval)
+{
+ const fprintf_ftype infprintf = info->fprintf_func;
+ void *is = info->stream;
- case 'q':
- infprintf (is, "0x%x", GET_OP (l, CODE2));
- break;
+ switch (operand->type)
+ {
+ case OP_INT:
+ {
+ const struct mips_int_operand *int_op;
- case 'C':
- infprintf (is, "0x%x", GET_OP (l, COPZ));
- break;
+ int_op = (const struct mips_int_operand *) operand;
+ uval = mips_decode_int_operand (int_op, uval);
+ state->last_int = uval;
+ if (int_op->print_hex)
+ infprintf (is, "0x%x", uval);
+ else
+ infprintf (is, "%d", uval);
+ }
+ break;
- case 'B':
- infprintf (is, "0x%x", GET_OP (l, CODE20));
- break;
+ case OP_MAPPED_INT:
+ {
+ const struct mips_mapped_int_operand *mint_op;
- case 'J':
- infprintf (is, "0x%x", GET_OP (l, CODE19));
- break;
+ mint_op = (const struct mips_mapped_int_operand *) operand;
+ uval = mint_op->int_map[uval];
+ state->last_int = uval;
+ if (mint_op->print_hex)
+ infprintf (is, "0x%x", uval);
+ else
+ infprintf (is, "%d", uval);
+ }
+ break;
- case 'S':
- case 'V':
- infprintf (is, "%s", mips_fpr_names[GET_OP (l, FS)]);
- break;
+ case OP_MSB:
+ {
+ const struct mips_msb_operand *msb_op;
- case 'T':
- case 'W':
- infprintf (is, "%s", mips_fpr_names[GET_OP (l, FT)]);
- break;
+ msb_op = (const struct mips_msb_operand *) operand;
+ uval += msb_op->bias;
+ if (msb_op->add_lsb)
+ uval -= state->last_int;
+ infprintf (is, "0x%x", uval);
+ }
+ break;
- case 'D':
- infprintf (is, "%s", mips_fpr_names[GET_OP (l, FD)]);
- break;
+ case OP_REG:
+ case OP_OPTIONAL_REG:
+ {
+ const struct mips_reg_operand *reg_op;
- case 'R':
- infprintf (is, "%s", mips_fpr_names[GET_OP (l, FR)]);
- break;
+ reg_op = (const struct mips_reg_operand *) operand;
+ uval = mips_decode_reg_operand (reg_op, uval);
+ print_reg (info, opcode, reg_op->reg_type, uval);
- case 'E':
- cpreg = GET_OP (l, RT);
- goto copro;
-
- case 'G':
- cpreg = GET_OP (l, RD);
- copro:
- /* Coprocessor register for mtcN instructions, et al. Note
- that FPU (cp1) instructions disassemble this field using
- 'S' format. Therefore, we only need to worry about cp0,
- cp2, and cp3. */
- if (opp->name[strlen (opp->name) - 1] == '0')
- {
- if (d[1] == ',' && d[2] == 'H')
- {
- const struct mips_cp0sel_name *n;
- unsigned int sel;
+ mips_seen_register (state, uval, reg_op->reg_type);
+ }
+ break;
- sel = GET_OP (l, SEL);
+ case OP_REG_PAIR:
+ {
+ const struct mips_reg_pair_operand *pair_op;
+
+ pair_op = (const struct mips_reg_pair_operand *) operand;
+ print_reg (info, opcode, pair_op->reg_type,
+ pair_op->reg1_map[uval]);
+ infprintf (is, ",");
+ print_reg (info, opcode, pair_op->reg_type,
+ pair_op->reg2_map[uval]);
+ }
+ break;
- /* CP0 register including 'sel' code for mtcN (et al.), to be
- printed textually if known. If not known, print both
- CP0 register name and sel numerically since CP0 register
- with sel 0 may have a name unrelated to register being
- printed. */
- n = lookup_mips_cp0sel_name (mips_cp0sel_names,
- mips_cp0sel_names_len,
- cpreg, sel);
- if (n != NULL)
- infprintf (is, "%s", n->name);
- else
- infprintf (is, "$%d,%d", cpreg, sel);
- d += 2;
- }
+ case OP_PCREL:
+ {
+ const struct mips_pcrel_operand *pcrel_op;
+
+ pcrel_op = (const struct mips_pcrel_operand *) operand;
+ info->target = mips_decode_pcrel_operand (pcrel_op, base_pc, uval);
+
+ /* For jumps and branches clear the ISA bit except for
+ the GDB disassembler. */
+ if (pcrel_op->include_isa_bit
+ && info->flavour != bfd_target_unknown_flavour)
+ info->target &= -2;
+
+ (*info->print_address_func) (info->target, info);
+ }
+ break;
+
+ case OP_PERF_REG:
+ infprintf (is, "%d", uval);
+ break;
+
+ case OP_ADDIUSP_INT:
+ {
+ int sval;
+
+ sval = mips_signed_operand (operand, uval) * 4;
+ if (sval >= -8 && sval < 8)
+ sval ^= 0x400;
+ infprintf (is, "%d", sval);
+ break;
+ }
+
+ case OP_CLO_CLZ_DEST:
+ {
+ unsigned int reg1, reg2;
+
+ reg1 = uval & 31;
+ reg2 = uval >> 5;
+ /* If one is zero use the other. */
+ if (reg1 == reg2 || reg2 == 0)
+ infprintf (is, "%s", mips_gpr_names[reg1]);
+ else if (reg1 == 0)
+ infprintf (is, "%s", mips_gpr_names[reg2]);
+ else
+ /* Bogus, result depends on processor. */
+ infprintf (is, "%s or %s", mips_gpr_names[reg1],
+ mips_gpr_names[reg2]);
+ }
+ break;
+
+ case OP_SAME_RS_RT:
+ case OP_CHECK_PREV:
+ case OP_NON_ZERO_REG:
+ {
+ print_reg (info, opcode, OP_REG_GP, uval & 31);
+ mips_seen_register (state, uval, OP_REG_GP);
+ }
+ break;
+
+ case OP_LWM_SWM_LIST:
+ if (operand->size == 2)
+ {
+ if (uval == 0)
+ infprintf (is, "%s,%s",
+ mips_gpr_names[16],
+ mips_gpr_names[31]);
+ else
+ infprintf (is, "%s-%s,%s",
+ mips_gpr_names[16],
+ mips_gpr_names[16 + uval],
+ mips_gpr_names[31]);
+ }
+ else
+ {
+ int s_reg_encode;
+
+ s_reg_encode = uval & 0xf;
+ if (s_reg_encode != 0)
+ {
+ if (s_reg_encode == 1)
+ infprintf (is, "%s", mips_gpr_names[16]);
+ else if (s_reg_encode < 9)
+ infprintf (is, "%s-%s",
+ mips_gpr_names[16],
+ mips_gpr_names[15 + s_reg_encode]);
+ else if (s_reg_encode == 9)
+ infprintf (is, "%s-%s,%s",
+ mips_gpr_names[16],
+ mips_gpr_names[23],
+ mips_gpr_names[30]);
else
- infprintf (is, "%s", mips_cp0_names[cpreg]);
+ infprintf (is, "UNKNOWN");
}
- else
- infprintf (is, "$%d", cpreg);
- break;
- case 'K':
- infprintf (is, "%s", mips_hwr_names[GET_OP (l, RD)]);
- break;
+ if (uval & 0x10) /* For ra. */
+ {
+ if (s_reg_encode == 0)
+ infprintf (is, "%s", mips_gpr_names[31]);
+ else
+ infprintf (is, ",%s", mips_gpr_names[31]);
+ }
+ }
+ break;
- case 'N':
- infprintf (is,
- (opp->pinfo & (FP_D | FP_S)) != 0 ? "$fcc%d" : "$cc%d",
- GET_OP (l, BCC));
- break;
+ case OP_ENTRY_EXIT_LIST:
+ {
+ const char *sep;
+ unsigned int amask, smask;
- case 'M':
- infprintf (is, "$fcc%d", GET_OP (l, CCC));
- break;
+ sep = "";
+ amask = (uval >> 3) & 7;
+ if (amask > 0 && amask < 5)
+ {
+ infprintf (is, "%s", mips_gpr_names[4]);
+ if (amask > 1)
+ infprintf (is, "-%s", mips_gpr_names[amask + 3]);
+ sep = ",";
+ }
- case 'P':
- infprintf (is, "%d", GET_OP (l, PERFREG));
- break;
+ smask = (uval >> 1) & 3;
+ if (smask == 3)
+ {
+ infprintf (is, "%s??", sep);
+ sep = ",";
+ }
+ else if (smask > 0)
+ {
+ infprintf (is, "%s%s", sep, mips_gpr_names[16]);
+ if (smask > 1)
+ infprintf (is, "-%s", mips_gpr_names[smask + 15]);
+ sep = ",";
+ }
- case 'e':
- infprintf (is, "%d", GET_OP (l, VECBYTE));
- break;
+ if (uval & 1)
+ {
+ infprintf (is, "%s%s", sep, mips_gpr_names[31]);
+ sep = ",";
+ }
- case '%':
- infprintf (is, "%d", GET_OP (l, VECALIGN));
- break;
+ if (amask == 5 || amask == 6)
+ {
+ infprintf (is, "%s%s", sep, mips_fpr_names[0]);
+ if (amask == 6)
+ infprintf (is, "-%s", mips_fpr_names[1]);
+ }
+ }
+ break;
- case 'H':
- infprintf (is, "%d", GET_OP (l, SEL));
- break;
+ case OP_SAVE_RESTORE_LIST:
+ /* Should be handled by the caller due to complex behavior. */
+ abort ();
- case 'O':
- infprintf (is, "%d", GET_OP (l, ALN));
- break;
+ case OP_MDMX_IMM_REG:
+ {
+ unsigned int vsel;
- case 'Q':
+ vsel = uval >> 5;
+ uval &= 31;
+ if ((vsel & 0x10) == 0)
{
- unsigned int vsel = GET_OP (l, VSEL);
- char prefix;
-
- prefix = opp->membership & INSN_5400 ? 'f' : 'v';
- if ((vsel & 0x10) == 0)
- {
- int fmt;
-
- vsel &= 0x0f;
- for (fmt = 0; fmt < 3; fmt++, vsel >>= 1)
- if ((vsel & 1) == 0)
- break;
- infprintf (is, "$%c%d[%d]", prefix, GET_OP (l, FT), vsel >> 1);
- }
- else if ((vsel & 0x08) == 0)
- {
- infprintf (is, "$%c%d", prefix, GET_OP (l, FT));
- }
- else
- {
- infprintf (is, "0x%x", GET_OP (l, FT));
- }
+ int fmt;
+
+ vsel &= 0x0f;
+ for (fmt = 0; fmt < 3; fmt++, vsel >>= 1)
+ if ((vsel & 1) == 0)
+ break;
+ print_reg (info, opcode, OP_REG_VEC, uval);
+ infprintf (is, "[%d]", vsel >> 1);
}
+ else if ((vsel & 0x08) == 0)
+ print_reg (info, opcode, OP_REG_VEC, uval);
+ else
+ infprintf (is, "0x%x", uval);
+ }
+ break;
+
+ case OP_REPEAT_PREV_REG:
+ print_reg (info, opcode, state->last_reg_type, state->last_regno);
+ break;
+
+ case OP_REPEAT_DEST_REG:
+ print_reg (info, opcode, state->last_reg_type, state->dest_regno);
+ break;
+
+ case OP_PC:
+ infprintf (is, "$pc");
+ break;
+
+ case OP_REG28:
+ print_reg (info, opcode, OP_REG_GP, 28);
+ break;
+
+ case OP_VU0_SUFFIX:
+ case OP_VU0_MATCH_SUFFIX:
+ print_vu0_channel (info, operand, uval);
+ break;
+
+ case OP_IMM_INDEX:
+ infprintf (is, "[%d]", uval);
+ break;
+
+ case OP_REG_INDEX:
+ infprintf (is, "[");
+ print_reg (info, opcode, OP_REG_GP, uval);
+ infprintf (is, "]");
+ break;
+ }
+}
+
+/* Validate the arguments for INSN, which is described by OPCODE.
+ Use DECODE_OPERAND to get the encoding of each operand. */
+
+static bool
+validate_insn_args (const struct mips_opcode *opcode,
+ const struct mips_operand *(*decode_operand) (const char *),
+ unsigned int insn)
+{
+ struct mips_print_arg_state state;
+ const struct mips_operand *operand;
+ const char *s;
+ unsigned int uval;
+
+ init_print_arg_state (&state);
+ for (s = opcode->args; *s; ++s)
+ {
+ switch (*s)
+ {
+ case ',':
+ case '(':
+ case ')':
break;
- case 'X':
- infprintf (is, "$v%d", GET_OP (l, FD));
+ case '#':
+ ++s;
break;
- case 'Y':
- infprintf (is, "$v%d", GET_OP (l, FS));
+ default:
+ operand = decode_operand (s);
+
+ if (operand)
+ {
+ uval = mips_extract_operand (operand, insn);
+ switch (operand->type)
+ {
+ case OP_REG:
+ case OP_OPTIONAL_REG:
+ {
+ const struct mips_reg_operand *reg_op;
+
+ reg_op = (const struct mips_reg_operand *) operand;
+ uval = mips_decode_reg_operand (reg_op, uval);
+ mips_seen_register (&state, uval, reg_op->reg_type);
+ }
+ break;
+
+ case OP_SAME_RS_RT:
+ {
+ unsigned int reg1, reg2;
+
+ reg1 = uval & 31;
+ reg2 = uval >> 5;
+
+ if (reg1 != reg2 || reg1 == 0)
+ return false;
+ }
+ break;
+
+ case OP_CHECK_PREV:
+ {
+ const struct mips_check_prev_operand *prev_op;
+
+ prev_op = (const struct mips_check_prev_operand *) operand;
+
+ if (!prev_op->zero_ok && uval == 0)
+ return false;
+
+ if (((prev_op->less_than_ok && uval < state.last_regno)
+ || (prev_op->greater_than_ok && uval > state.last_regno)
+ || (prev_op->equal_ok && uval == state.last_regno)))
+ break;
+
+ return false;
+ }
+
+ case OP_NON_ZERO_REG:
+ {
+ if (uval == 0)
+ return false;
+ }
+ break;
+
+ case OP_INT:
+ case OP_MAPPED_INT:
+ case OP_MSB:
+ case OP_REG_PAIR:
+ case OP_PCREL:
+ case OP_PERF_REG:
+ case OP_ADDIUSP_INT:
+ case OP_CLO_CLZ_DEST:
+ case OP_LWM_SWM_LIST:
+ case OP_ENTRY_EXIT_LIST:
+ case OP_MDMX_IMM_REG:
+ case OP_REPEAT_PREV_REG:
+ case OP_REPEAT_DEST_REG:
+ case OP_PC:
+ case OP_REG28:
+ case OP_VU0_SUFFIX:
+ case OP_VU0_MATCH_SUFFIX:
+ case OP_IMM_INDEX:
+ case OP_REG_INDEX:
+ case OP_SAVE_RESTORE_LIST:
+ break;
+ }
+ }
+ if (*s == 'm' || *s == '+' || *s == '-')
+ ++s;
+ }
+ }
+ return true;
+}
+
+/* Print the arguments for INSN, which is described by OPCODE.
+ Use DECODE_OPERAND to get the encoding of each operand. Use BASE_PC
+ as the base of OP_PCREL operands, adjusting by LENGTH if the OP_PCREL
+ operand is for a branch or jump. */
+
+static void
+print_insn_args (struct disassemble_info *info,
+ const struct mips_opcode *opcode,
+ const struct mips_operand *(*decode_operand) (const char *),
+ unsigned int insn, bfd_vma insn_pc, unsigned int length)
+{
+ const fprintf_ftype infprintf = info->fprintf_func;
+ void *is = info->stream;
+ struct mips_print_arg_state state;
+ const struct mips_operand *operand;
+ const char *s;
+
+ init_print_arg_state (&state);
+ for (s = opcode->args; *s; ++s)
+ {
+ switch (*s)
+ {
+ case ',':
+ case '(':
+ case ')':
+ infprintf (is, "%c", *s);
break;
- case 'Z':
- infprintf (is, "$v%d", GET_OP (l, FT));
+ case '#':
+ ++s;
+ infprintf (is, "%c%c", *s, *s);
break;
default:
- /* xgettext:c-format */
- infprintf (is, _("# internal error, undefined modifier (%c)"), *d);
- return;
+ operand = decode_operand (s);
+ if (!operand)
+ {
+ /* xgettext:c-format */
+ infprintf (is,
+ _("# internal error, undefined operand in `%s %s'"),
+ opcode->name, opcode->args);
+ return;
+ }
+
+ if (operand->type == OP_SAVE_RESTORE_LIST)
+ {
+ /* Handle this case here because of the complex behavior. */
+ unsigned int amask = (insn >> 15) & 0xf;
+ unsigned int nsreg = (insn >> 23) & 0x7;
+ unsigned int ra = insn & 0x1000; /* $ra */
+ unsigned int s0 = insn & 0x800; /* $s0 */
+ unsigned int s1 = insn & 0x400; /* $s1 */
+ unsigned int frame_size = (((insn >> 15) & 0xf0)
+ | ((insn >> 6) & 0x0f)) * 8;
+ mips_print_save_restore (info, amask, nsreg, ra, s0, s1,
+ frame_size);
+ }
+ else if (operand->type == OP_REG
+ && s[1] == ','
+ && s[2] == 'H'
+ && opcode->name[strlen (opcode->name) - 1] == '0')
+ {
+ /* Coprocessor register 0 with sel field. */
+ const struct mips_cp0sel_name *n;
+ unsigned int reg, sel;
+
+ reg = mips_extract_operand (operand, insn);
+ s += 2;
+ operand = decode_operand (s);
+ sel = mips_extract_operand (operand, insn);
+
+ /* CP0 register including 'sel' code for mftc0, to be
+ printed textually if known. If not known, print both
+ CP0 register name and sel numerically since CP0 register
+ with sel 0 may have a name unrelated to register being
+ printed. */
+ n = lookup_mips_cp0sel_name (mips_cp0sel_names,
+ mips_cp0sel_names_len,
+ reg, sel);
+ if (n != NULL)
+ infprintf (is, "%s", n->name);
+ else
+ infprintf (is, "$%d,%d", reg, sel);
+ }
+ else
+ {
+ bfd_vma base_pc = insn_pc;
+
+ /* Adjust the PC relative base so that branch/jump insns use
+ the following PC as the base but genuinely PC relative
+ operands use the current PC. */
+ if (operand->type == OP_PCREL)
+ {
+ const struct mips_pcrel_operand *pcrel_op;
+
+ pcrel_op = (const struct mips_pcrel_operand *) operand;
+ /* The include_isa_bit flag is sufficient to distinguish
+ branch/jump from other PC relative operands. */
+ if (pcrel_op->include_isa_bit)
+ base_pc += length;
+ }
+
+ print_insn_arg (info, &state, opcode, operand, base_pc,
+ mips_extract_operand (operand, insn));
+ }
+ if (*s == 'm' || *s == '+' || *s == '-')
+ ++s;
+ break;
}
}
}
int word,
struct disassemble_info *info)
{
+#define GET_OP(insn, field) \
+ (((insn) >> OP_SH_##field) & OP_MASK_##field)
static const struct mips_opcode *mips_hash[OP_MASK_OP + 1];
const fprintf_ftype infprintf = info->fprintf_func;
const struct mips_opcode *op;
- static bfd_boolean init = 0;
+ static bool init = 0;
void *is = info->stream;
/* Build a hash table to shorten the search time. */
{
for (; op < &mips_opcodes[NUMOPCODES]; op++)
{
- if (op->pinfo != INSN_MACRO
+ if (op->pinfo != INSN_MACRO
&& !(no_aliases && (op->pinfo2 & INSN2_ALIAS))
&& (word & op->mask) == op->match)
{
- const char *d;
-
- /* We always allow to disassemble the jalx instruction. */
+ /* We always disassemble the jalx instruction, except for MIPS r6. */
if (!opcode_is_member (op, mips_isa, mips_ase, mips_processor)
- && strcmp (op->name, "jalx"))
+ && (strcmp (op->name, "jalx")
+ || (mips_isa & INSN_ISA_MASK) == ISA_MIPS32R6
+ || (mips_isa & INSN_ISA_MASK) == ISA_MIPS64R6))
continue;
/* Figure out instruction type and branch delay information. */
if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0)
{
- if ((op->pinfo & (INSN_WRITE_GPR_31
- | INSN_WRITE_GPR_D)) != 0)
+ if ((op->pinfo & (INSN_WRITE_GPR_31 | INSN_WRITE_1)) != 0)
info->insn_type = dis_jsr;
else
info->insn_type = dis_branch;
info->branch_delay_insns = 1;
}
else if ((op->pinfo & (INSN_STORE_MEMORY
- | INSN_LOAD_MEMORY_DELAY)) != 0)
+ | INSN_LOAD_MEMORY)) != 0)
info->insn_type = dis_dref;
+ if (!validate_insn_args (op, decode_mips_operand, word))
+ continue;
+
infprintf (is, "%s", op->name);
+ if (op->pinfo2 & INSN2_VU0_CHANNEL_SUFFIX)
+ {
+ unsigned int uval;
- d = op->args;
- if (d != NULL && *d != '\0')
+ infprintf (is, ".");
+ uval = mips_extract_operand (&mips_vu0_channel_mask, word);
+ print_vu0_channel (info, &mips_vu0_channel_mask, uval);
+ }
+
+ if (op->args[0])
{
infprintf (is, "\t");
- print_insn_args (d, word, memaddr, info, op);
+ print_insn_args (info, op, decode_mips_operand, word,
+ memaddr, 4);
}
return INSNLEN;
}
}
}
-#undef GET_OP_S
#undef GET_OP
/* Handle undefined instructions. */
/* Disassemble an operand for a mips16 instruction. */
static void
-print_mips16_insn_arg (char type,
- const struct mips_opcode *op,
- int l,
- bfd_boolean use_extend,
- int extend,
- bfd_vma memaddr,
- struct disassemble_info *info)
+print_mips16_insn_arg (struct disassemble_info *info,
+ struct mips_print_arg_state *state,
+ const struct mips_opcode *opcode,
+ char type, bfd_vma memaddr,
+ unsigned insn, bool use_extend,
+ unsigned extend, bool is_offset)
{
const fprintf_ftype infprintf = info->fprintf_func;
void *is = info->stream;
+ const struct mips_operand *operand, *ext_operand;
+ unsigned short ext_size;
+ unsigned int uval;
+ bfd_vma baseaddr;
+
+ if (!use_extend)
+ extend = 0;
-#define GET_OP(insn, field) \
- (((insn) >> MIPS16OP_SH_##field) & MIPS16OP_MASK_##field)
-#define GET_OP_S(insn, field) \
- ((GET_OP (insn, field) ^ ((MIPS16OP_MASK_##field >> 1) + 1)) \
- - ((MIPS16OP_MASK_##field >> 1) + 1))
switch (type)
{
case ',':
infprintf (is, "%c", type);
break;
- case 'y':
- case 'w':
- infprintf (is, "%s", mips16_reg_names (GET_OP (l, RY)));
- break;
-
- case 'x':
- case 'v':
- infprintf (is, "%s", mips16_reg_names (GET_OP (l, RX)));
- break;
-
- case 'z':
- infprintf (is, "%s", mips16_reg_names (GET_OP (l, RZ)));
- break;
-
- case 'Z':
- infprintf (is, "%s", mips16_reg_names (GET_OP (l, MOVE32Z)));
- break;
-
- case '0':
- infprintf (is, "%s", mips_gpr_names[0]);
- break;
-
- case 'S':
- infprintf (is, "%s", mips_gpr_names[29]);
- break;
-
- case 'P':
- infprintf (is, "$pc");
- break;
-
- case 'R':
- infprintf (is, "%s", mips_gpr_names[31]);
- break;
+ default:
+ operand = decode_mips16_operand (type, false);
+ if (!operand)
+ {
+ /* xgettext:c-format */
+ infprintf (is, _("# internal error, undefined operand in `%s %s'"),
+ opcode->name, opcode->args);
+ return;
+ }
- case 'X':
- infprintf (is, "%s", mips_gpr_names[GET_OP (l, REGR32)]);
- break;
+ if (operand->type == OP_SAVE_RESTORE_LIST)
+ {
+ /* Handle this case here because of the complex interaction
+ with the EXTEND opcode. */
+ unsigned int amask = extend & 0xf;
+ unsigned int nsreg = (extend >> 8) & 0x7;
+ unsigned int ra = insn & 0x40; /* $ra */
+ unsigned int s0 = insn & 0x20; /* $s0 */
+ unsigned int s1 = insn & 0x10; /* $s1 */
+ unsigned int frame_size = ((extend & 0xf0) | (insn & 0x0f)) * 8;
+ if (frame_size == 0 && !use_extend)
+ frame_size = 128;
+ mips_print_save_restore (info, amask, nsreg, ra, s0, s1, frame_size);
+ break;
+ }
- case 'Y':
- infprintf (is, "%s", mips_gpr_names[MIPS16OP_EXTRACT_REG32R (l)]);
- break;
+ if (is_offset && operand->type == OP_INT)
+ {
+ const struct mips_int_operand *int_op;
- case '<':
- case '>':
- case '[':
- case ']':
- case '4':
- case '5':
- case 'H':
- case 'W':
- case 'D':
- case 'j':
- case '6':
- case '8':
- case 'V':
- case 'C':
- case 'U':
- case 'k':
- case 'K':
- case 'p':
- case 'q':
- case 'A':
- case 'B':
- case 'E':
- {
- int immed, nbits, shift, signedp, extbits, pcrel, extu, branch;
-
- shift = 0;
- signedp = 0;
- extbits = 16;
- pcrel = 0;
- extu = 0;
- branch = 0;
- switch (type)
- {
- case '<':
- nbits = 3;
- immed = GET_OP (l, RZ);
- extbits = 5;
- extu = 1;
- break;
- case '>':
- nbits = 3;
- immed = GET_OP (l, RX);
- extbits = 5;
- extu = 1;
- break;
- case '[':
- nbits = 3;
- immed = GET_OP (l, RZ);
- extbits = 6;
- extu = 1;
- break;
- case ']':
- nbits = 3;
- immed = GET_OP (l, RX);
- extbits = 6;
- extu = 1;
- break;
- case '4':
- nbits = 4;
- immed = GET_OP (l, IMM4);
- signedp = 1;
- extbits = 15;
- break;
- case '5':
- nbits = 5;
- immed = GET_OP (l, IMM5);
- info->insn_type = dis_dref;
- info->data_size = 1;
- break;
- case 'H':
- nbits = 5;
- shift = 1;
- immed = GET_OP (l, IMM5);
- info->insn_type = dis_dref;
- info->data_size = 2;
- break;
- case 'W':
- nbits = 5;
- shift = 2;
- immed = GET_OP (l, IMM5);
- if ((op->pinfo & MIPS16_INSN_READ_PC) == 0
- && (op->pinfo & MIPS16_INSN_READ_SP) == 0)
- {
- info->insn_type = dis_dref;
- info->data_size = 4;
- }
- break;
- case 'D':
- nbits = 5;
- shift = 3;
- immed = GET_OP (l, IMM5);
- info->insn_type = dis_dref;
- info->data_size = 8;
- break;
- case 'j':
- nbits = 5;
- immed = GET_OP (l, IMM5);
- signedp = 1;
- break;
- case '6':
- nbits = 6;
- immed = GET_OP (l, IMM6);
- break;
- case '8':
- nbits = 8;
- immed = GET_OP (l, IMM8);
- break;
- case 'V':
- nbits = 8;
- shift = 2;
- immed = GET_OP (l, IMM8);
- /* FIXME: This might be lw, or it might be addiu to $sp or
- $pc. We assume it's load. */
- info->insn_type = dis_dref;
- info->data_size = 4;
- break;
- case 'C':
- nbits = 8;
- shift = 3;
- immed = GET_OP (l, IMM8);
- info->insn_type = dis_dref;
- info->data_size = 8;
- break;
- case 'U':
- nbits = 8;
- immed = GET_OP (l, IMM8);
- extu = 1;
- break;
- case 'k':
- nbits = 8;
- immed = GET_OP (l, IMM8);
- signedp = 1;
- break;
- case 'K':
- nbits = 8;
- shift = 3;
- immed = GET_OP (l, IMM8);
- signedp = 1;
- break;
- case 'p':
- nbits = 8;
- immed = GET_OP (l, IMM8);
- signedp = 1;
- pcrel = 1;
- branch = 1;
- break;
- case 'q':
- nbits = 11;
- immed = GET_OP (l, IMM11);
- signedp = 1;
- pcrel = 1;
- branch = 1;
- break;
- case 'A':
- nbits = 8;
- shift = 2;
- immed = GET_OP (l, IMM8);
- pcrel = 1;
- /* FIXME: This can be lw or la. We assume it is lw. */
- info->insn_type = dis_dref;
- info->data_size = 4;
- break;
- case 'B':
- nbits = 5;
- shift = 3;
- immed = GET_OP (l, IMM5);
- pcrel = 1;
- info->insn_type = dis_dref;
- info->data_size = 8;
- break;
- case 'E':
- nbits = 5;
- shift = 2;
- immed = GET_OP (l, IMM5);
- pcrel = 1;
- break;
- default:
- abort ();
- }
+ int_op = (const struct mips_int_operand *) operand;
+ info->insn_type = dis_dref;
+ info->data_size = 1 << int_op->shift;
+ }
- if (! use_extend)
- {
- if (signedp && immed >= (1 << (nbits - 1)))
- immed -= 1 << nbits;
- immed <<= shift;
- if ((type == '<' || type == '>' || type == '[' || type == ']')
- && immed == 0)
- immed = 8;
- }
- else
- {
- if (extbits == 16)
- immed |= ((extend & 0x1f) << 11) | (extend & 0x7e0);
- else if (extbits == 15)
- immed |= ((extend & 0xf) << 11) | (extend & 0x7f0);
- else
- immed = ((extend >> 6) & 0x1f) | (extend & 0x20);
- immed &= (1 << extbits) - 1;
- if (! extu && immed >= (1 << (extbits - 1)))
- immed -= 1 << extbits;
- }
+ ext_size = 0;
+ if (use_extend)
+ {
+ ext_operand = decode_mips16_operand (type, true);
+ if (ext_operand != operand
+ || (operand->type == OP_INT && operand->lsb == 0
+ && mips_opcode_32bit_p (opcode)))
+ {
+ ext_size = ext_operand->size;
+ operand = ext_operand;
+ }
+ }
+ if (operand->size == 26)
+ uval = ((extend & 0x1f) << 21) | ((extend & 0x3e0) << 11) | insn;
+ else if (ext_size == 16 || ext_size == 9)
+ uval = ((extend & 0x1f) << 11) | (extend & 0x7e0) | (insn & 0x1f);
+ else if (ext_size == 15)
+ uval = ((extend & 0xf) << 11) | (extend & 0x7f0) | (insn & 0xf);
+ else if (ext_size == 6)
+ uval = ((extend >> 6) & 0x1f) | (extend & 0x20);
+ else
+ uval = mips_extract_operand (operand, (extend << 16) | insn);
+ if (ext_size == 9)
+ uval &= (1U << ext_size) - 1;
- if (! pcrel)
- infprintf (is, "%d", immed);
- else
- {
- bfd_vma baseaddr;
-
- if (branch)
- {
- immed *= 2;
- baseaddr = memaddr + 2;
- }
- else if (use_extend)
- baseaddr = memaddr - 2;
- else
- {
- int status;
- bfd_byte buffer[2];
+ baseaddr = memaddr + 2;
+ if (operand->type == OP_PCREL)
+ {
+ const struct mips_pcrel_operand *pcrel_op;
+ pcrel_op = (const struct mips_pcrel_operand *) operand;
+ if (!pcrel_op->include_isa_bit && use_extend)
+ baseaddr = memaddr - 2;
+ else if (!pcrel_op->include_isa_bit)
+ {
+ bfd_byte buffer[2];
+
+ /* If this instruction is in the delay slot of a JAL/JALX
+ instruction, the base address is the address of the
+ JAL/JALX instruction. If it is in the delay slot of
+ a JR/JALR instruction, the base address is the address
+ of the JR/JALR instruction. This test is unreliable:
+ we have no way of knowing whether the previous word is
+ instruction or data. */
+ if (info->read_memory_func (memaddr - 4, buffer, 2, info) == 0
+ && (((info->endian == BFD_ENDIAN_BIG
+ ? bfd_getb16 (buffer)
+ : bfd_getl16 (buffer))
+ & 0xf800) == 0x1800))
+ baseaddr = memaddr - 4;
+ else if (info->read_memory_func (memaddr - 2, buffer, 2,
+ info) == 0
+ && (((info->endian == BFD_ENDIAN_BIG
+ ? bfd_getb16 (buffer)
+ : bfd_getl16 (buffer))
+ & 0xf89f) == 0xe800)
+ && (((info->endian == BFD_ENDIAN_BIG
+ ? bfd_getb16 (buffer)
+ : bfd_getl16 (buffer))
+ & 0x0060) != 0x0060))
+ baseaddr = memaddr - 2;
+ else
baseaddr = memaddr;
+ }
+ }
- /* If this instruction is in the delay slot of a jr
- instruction, the base address is the address of the
- jr instruction. If it is in the delay slot of jalr
- instruction, the base address is the address of the
- jalr instruction. This test is unreliable: we have
- no way of knowing whether the previous word is
- instruction or data. */
- status = (*info->read_memory_func) (memaddr - 4, buffer, 2,
- info);
- if (status == 0
- && (((info->endian == BFD_ENDIAN_BIG
- ? bfd_getb16 (buffer)
- : bfd_getl16 (buffer))
- & 0xf800) == 0x1800))
- baseaddr = memaddr - 4;
- else
- {
- status = (*info->read_memory_func) (memaddr - 2, buffer,
- 2, info);
- if (status == 0
- && (((info->endian == BFD_ENDIAN_BIG
- ? bfd_getb16 (buffer)
- : bfd_getl16 (buffer))
- & 0xf81f) == 0xe800))
- baseaddr = memaddr - 2;
- }
- }
- info->target = (baseaddr & ~((1 << shift) - 1)) + immed;
- if (pcrel && branch
- && info->flavour == bfd_target_unknown_flavour)
- /* For gdb disassembler, maintain odd address. */
- info->target |= 1;
- (*info->print_address_func) (info->target, info);
- }
- }
- break;
-
- case 'a':
- case 'i':
- {
- if (! use_extend)
- extend = 0;
- l = ((l & 0x1f) << 23) | ((l & 0x3e0) << 13) | (extend << 2);
- if (type == 'a' && info->flavour == bfd_target_unknown_flavour)
- /* For gdb disassembler, maintain odd address. */
- l |= 1;
- }
- info->target = ((memaddr + 4) & ~(bfd_vma) 0x0fffffff) | l;
- (*info->print_address_func) (info->target, info);
- break;
-
- case 'l':
- case 'L':
- {
- int need_comma, amask, smask;
-
- need_comma = 0;
-
- l = GET_OP (l, IMM6);
-
- amask = (l >> 3) & 7;
-
- if (amask > 0 && amask < 5)
- {
- infprintf (is, "%s", mips_gpr_names[4]);
- if (amask > 1)
- infprintf (is, "-%s", mips_gpr_names[amask + 3]);
- need_comma = 1;
- }
-
- smask = (l >> 1) & 3;
- if (smask == 3)
- {
- infprintf (is, "%s??", need_comma ? "," : "");
- need_comma = 1;
- }
- else if (smask > 0)
- {
- infprintf (is, "%s%s", need_comma ? "," : "", mips_gpr_names[16]);
- if (smask > 1)
- infprintf (is, "-%s", mips_gpr_names[smask + 15]);
- need_comma = 1;
- }
-
- if (l & 1)
- {
- infprintf (is, "%s%s", need_comma ? "," : "", mips_gpr_names[31]);
- need_comma = 1;
- }
-
- if (amask == 5 || amask == 6)
- {
- infprintf (is, "%s$f0", need_comma ? "," : "");
- if (amask == 6)
- infprintf (is, "-$f1");
- }
- }
- break;
-
- case 'm':
- case 'M':
- /* MIPS16e save/restore. */
- {
- int need_comma = 0;
- int amask, args, statics;
- int nsreg, smask;
- int framesz;
- int i, j;
-
- l = l & 0x7f;
- if (use_extend)
- l |= extend << 16;
-
- amask = (l >> 16) & 0xf;
- if (amask == MIPS16_ALL_ARGS)
- {
- args = 4;
- statics = 0;
- }
- else if (amask == MIPS16_ALL_STATICS)
- {
- args = 0;
- statics = 4;
- }
- else
- {
- args = amask >> 2;
- statics = amask & 3;
- }
-
- if (args > 0) {
- infprintf (is, "%s", mips_gpr_names[4]);
- if (args > 1)
- infprintf (is, "-%s", mips_gpr_names[4 + args - 1]);
- need_comma = 1;
- }
-
- framesz = (((l >> 16) & 0xf0) | (l & 0x0f)) * 8;
- if (framesz == 0 && !use_extend)
- framesz = 128;
-
- infprintf (is, "%s%d", need_comma ? "," : "", framesz);
-
- if (l & 0x40) /* $ra */
- infprintf (is, ",%s", mips_gpr_names[31]);
-
- nsreg = (l >> 24) & 0x7;
- smask = 0;
- if (l & 0x20) /* $s0 */
- smask |= 1 << 0;
- if (l & 0x10) /* $s1 */
- smask |= 1 << 1;
- if (nsreg > 0) /* $s2-$s8 */
- smask |= ((1 << nsreg) - 1) << 2;
-
- /* Find first set static reg bit. */
- for (i = 0; i < 9; i++)
- {
- if (smask & (1 << i))
- {
- infprintf (is, ",%s", mips_gpr_names[i == 8 ? 30 : (16 + i)]);
- /* Skip over string of set bits. */
- for (j = i; smask & (2 << j); j++)
- continue;
- if (j > i)
- infprintf (is, "-%s", mips_gpr_names[j == 8 ? 30 : (16 + j)]);
- i = j + 1;
- }
- }
-
- /* Statics $ax - $a3. */
- if (statics == 1)
- infprintf (is, ",%s", mips_gpr_names[7]);
- else if (statics > 0)
- infprintf (is, ",%s-%s",
- mips_gpr_names[7 - statics + 1],
- mips_gpr_names[7]);
- }
+ print_insn_arg (info, state, opcode, operand, baseaddr + 1, uval);
break;
-
- default:
- /* xgettext:c-format */
- infprintf (is,
- _("# internal disassembler error, "
- "unrecognised modifier (%c)"),
- type);
- abort ();
}
}
This word is data and depending on the value it may interfere with
disassembly of further PLT entries. We make use of the fact PLT
symbols are marked BSF_SYNTHETIC. */
-static bfd_boolean
+static bool
is_mips16_plt_tail (struct disassemble_info *info, bfd_vma addr)
{
if (info->symbols
&& info->symbols[0]
&& (info->symbols[0]->flags & BSF_SYNTHETIC)
&& addr == bfd_asymbol_value (info->symbols[0]) + 12)
- return TRUE;
+ return true;
- return FALSE;
+ return false;
}
+/* Whether none, a 32-bit or a 16-bit instruction match has been done. */
+
+enum match_kind
+{
+ MATCH_NONE,
+ MATCH_FULL,
+ MATCH_SHORT
+};
+
/* Disassemble mips16 instructions. */
static int
const fprintf_ftype infprintf = info->fprintf_func;
int status;
bfd_byte buffer[4];
- int length;
- int insn;
- bfd_boolean use_extend;
- int extend = 0;
const struct mips_opcode *op, *opend;
+ struct mips_print_arg_state state;
void *is = info->stream;
+ bool have_second;
+ bool extend_only;
+ unsigned int second;
+ unsigned int first;
+ unsigned int full;
info->bytes_per_chunk = 2;
info->display_endian = info->endian;
info->target = 0;
info->target2 = 0;
+#define GET_OP(insn, field) \
+ (((insn) >> MIPS16OP_SH_##field) & MIPS16OP_MASK_##field)
/* Decode PLT entry's GOT slot address word. */
if (is_mips16_plt_tail (info, memaddr))
{
return -1;
}
- length = 2;
+ extend_only = false;
if (info->endian == BFD_ENDIAN_BIG)
- insn = bfd_getb16 (buffer);
+ first = bfd_getb16 (buffer);
else
- insn = bfd_getl16 (buffer);
+ first = bfd_getl16 (buffer);
- /* Handle the extend opcode specially. */
- use_extend = FALSE;
- if ((insn & 0xf800) == 0xf000)
+ status = (*info->read_memory_func) (memaddr + 2, buffer, 2, info);
+ if (status == 0)
{
- use_extend = TRUE;
- extend = insn & 0x7ff;
-
- memaddr += 2;
-
- status = (*info->read_memory_func) (memaddr, buffer, 2, info);
- if (status != 0)
- {
- infprintf (is, "extend 0x%x", (unsigned int) extend);
- (*info->memory_error_func) (status, memaddr, info);
- return -1;
- }
-
+ have_second = true;
if (info->endian == BFD_ENDIAN_BIG)
- insn = bfd_getb16 (buffer);
+ second = bfd_getb16 (buffer);
else
- insn = bfd_getl16 (buffer);
-
- /* Check for an extend opcode followed by an extend opcode. */
- if ((insn & 0xf800) == 0xf000)
- {
- infprintf (is, "extend 0x%x", (unsigned int) extend);
- info->insn_type = dis_noninsn;
- return length;
- }
-
- length += 2;
+ second = bfd_getl16 (buffer);
+ full = (first << 16) | second;
+ }
+ else
+ {
+ have_second = false;
+ second = 0;
+ full = first;
}
/* FIXME: Should probably use a hash table on the major opcode here. */
opend = mips16_opcodes + bfd_mips16_num_opcodes;
for (op = mips16_opcodes; op < opend; op++)
{
- if (op->pinfo != INSN_MACRO
- && !(no_aliases && (op->pinfo2 & INSN2_ALIAS))
- && (insn & op->mask) == op->match)
- {
- const char *s;
+ enum match_kind match;
- if (op->args[0] == 'a' || op->args[0] == 'i')
- {
- if (use_extend)
- {
- infprintf (is, "extend 0x%x", (unsigned int) extend);
- info->insn_type = dis_noninsn;
- return length - 2;
- }
-
- use_extend = FALSE;
+ if (!opcode_is_member (op, mips_isa, mips_ase, mips_processor))
+ continue;
- memaddr += 2;
-
- status = (*info->read_memory_func) (memaddr, buffer, 2,
- info);
- if (status == 0)
- {
- use_extend = TRUE;
- if (info->endian == BFD_ENDIAN_BIG)
- extend = bfd_getb16 (buffer);
- else
- extend = bfd_getl16 (buffer);
- length += 2;
- }
+ if (op->pinfo == INSN_MACRO
+ || (no_aliases && (op->pinfo2 & INSN2_ALIAS)))
+ match = MATCH_NONE;
+ else if (mips_opcode_32bit_p (op))
+ {
+ if (have_second
+ && (full & op->mask) == op->match)
+ match = MATCH_FULL;
+ else
+ match = MATCH_NONE;
+ }
+ else if ((first & op->mask) == op->match)
+ {
+ match = MATCH_SHORT;
+ second = 0;
+ full = first;
+ }
+ else if ((first & 0xf800) == 0xf000
+ && have_second
+ && !extend_only
+ && (second & op->mask) == op->match)
+ {
+ if (op->pinfo2 & INSN2_SHORT_ONLY)
+ {
+ match = MATCH_NONE;
+ extend_only = true;
}
+ else
+ match = MATCH_FULL;
+ }
+ else
+ match = MATCH_NONE;
+
+ if (match != MATCH_NONE)
+ {
+ const char *s;
infprintf (is, "%s", op->name);
if (op->args[0] != '\0')
infprintf (is, "\t");
+ init_print_arg_state (&state);
for (s = op->args; *s != '\0'; s++)
{
if (*s == ','
&& s[1] == 'w'
- && GET_OP (insn, RX) == GET_OP (insn, RY))
+ && GET_OP (full, RX) == GET_OP (full, RY))
{
/* Skip the register and the comma. */
++s;
}
if (*s == ','
&& s[1] == 'v'
- && GET_OP (insn, RZ) == GET_OP (insn, RX))
+ && GET_OP (full, RZ) == GET_OP (full, RX))
{
/* Skip the register and the comma. */
++s;
continue;
}
- print_mips16_insn_arg (*s, op, insn, use_extend, extend, memaddr,
- info);
+ if (s[0] == 'N'
+ && s[1] == ','
+ && s[2] == 'O'
+ && op->name[strlen (op->name) - 1] == '0')
+ {
+ /* Coprocessor register 0 with sel field. */
+ const struct mips_cp0sel_name *n;
+ const struct mips_operand *operand;
+ unsigned int reg, sel;
+
+ operand = decode_mips16_operand (*s, true);
+ reg = mips_extract_operand (operand, (first << 16) | second);
+ s += 2;
+ operand = decode_mips16_operand (*s, true);
+ sel = mips_extract_operand (operand, (first << 16) | second);
+
+ /* CP0 register including 'sel' code for mftc0, to be
+ printed textually if known. If not known, print both
+ CP0 register name and sel numerically since CP0 register
+ with sel 0 may have a name unrelated to register being
+ printed. */
+ n = lookup_mips_cp0sel_name (mips_cp0sel_names,
+ mips_cp0sel_names_len,
+ reg, sel);
+ if (n != NULL)
+ infprintf (is, "%s", n->name);
+ else
+ infprintf (is, "$%d,%d", reg, sel);
+ }
+ else
+ switch (match)
+ {
+ case MATCH_FULL:
+ print_mips16_insn_arg (info, &state, op, *s, memaddr + 2,
+ second, true, first, s[1] == '(');
+ break;
+ case MATCH_SHORT:
+ print_mips16_insn_arg (info, &state, op, *s, memaddr,
+ first, false, 0, s[1] == '(');
+ break;
+ case MATCH_NONE: /* Stop the compiler complaining. */
+ break;
+ }
}
/* Figure out branch instruction type and delay slot information. */
if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0)
info->branch_delay_insns = 1;
- if ((op->pinfo & (INSN_UNCOND_BRANCH_DELAY
- | MIPS16_INSN_UNCOND_BRANCH)) != 0)
+ if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0
+ || (op->pinfo2 & INSN2_UNCOND_BRANCH) != 0)
{
if ((op->pinfo & INSN_WRITE_GPR_31) != 0)
info->insn_type = dis_jsr;
else
info->insn_type = dis_branch;
}
- else if ((op->pinfo & MIPS16_INSN_COND_BRANCH) != 0)
+ else if ((op->pinfo2 & INSN2_COND_BRANCH) != 0)
info->insn_type = dis_condbranch;
- return length;
+ return match == MATCH_FULL ? 4 : 2;
}
}
-#undef GET_OP_S
#undef GET_OP
- if (use_extend)
- infprintf (is, "0x%x", extend | 0xf000);
- infprintf (is, "0x%x", insn);
+ infprintf (is, "0x%x", first);
info->insn_type = dis_noninsn;
- return length;
+ return 2;
}
/* Disassemble microMIPS instructions. */
{
const fprintf_ftype infprintf = info->fprintf_func;
const struct mips_opcode *op, *opend;
- unsigned int lsb, msbd, msb;
void *is = info->stream;
- unsigned int regno;
bfd_byte buffer[2];
- int lastregno = 0;
- int higher;
- int length;
+ unsigned int higher;
+ unsigned int length;
int status;
- int delta;
- int immed;
- int insn;
-
- lsb = 0;
+ unsigned int insn;
info->bytes_per_chunk = 2;
info->display_endian = info->endian;
info->branch_delay_insns = 0;
info->data_size = 0;
info->insn_type = dis_nonbranch;
- info->target = 0;
- info->target2 = 0;
-
- status = (*info->read_memory_func) (memaddr, buffer, 2, info);
- if (status != 0)
- {
- (*info->memory_error_func) (status, memaddr, info);
- return -1;
- }
-
- length = 2;
-
- if (info->endian == BFD_ENDIAN_BIG)
- insn = bfd_getb16 (buffer);
- else
- insn = bfd_getl16 (buffer);
-
- if ((insn & 0xfc00) == 0x7c00)
- {
- /* This is a 48-bit microMIPS instruction. */
- higher = insn;
-
- status = (*info->read_memory_func) (memaddr + 2, buffer, 2, info);
- if (status != 0)
- {
- infprintf (is, "micromips 0x%x", higher);
- (*info->memory_error_func) (status, memaddr + 2, info);
- return -1;
- }
- if (info->endian == BFD_ENDIAN_BIG)
- insn = bfd_getb16 (buffer);
- else
- insn = bfd_getl16 (buffer);
- higher = (higher << 16) | insn;
-
- status = (*info->read_memory_func) (memaddr + 4, buffer, 2, info);
- if (status != 0)
- {
- infprintf (is, "micromips 0x%x", higher);
- (*info->memory_error_func) (status, memaddr + 4, info);
- return -1;
- }
- if (info->endian == BFD_ENDIAN_BIG)
- insn = bfd_getb16 (buffer);
- else
- insn = bfd_getl16 (buffer);
- infprintf (is, "0x%x%04x (48-bit insn)", higher, insn);
+ info->target = 0;
+ info->target2 = 0;
- info->insn_type = dis_noninsn;
- return 6;
+ status = (*info->read_memory_func) (memaddr, buffer, 2, info);
+ if (status != 0)
+ {
+ (*info->memory_error_func) (status, memaddr, info);
+ return -1;
}
- else if ((insn & 0x1c00) == 0x0000 || (insn & 0x1000) == 0x1000)
+
+ length = 2;
+
+ if (info->endian == BFD_ENDIAN_BIG)
+ insn = bfd_getb16 (buffer);
+ else
+ insn = bfd_getl16 (buffer);
+
+ if ((insn & 0x1c00) == 0x0000 || (insn & 0x1000) == 0x1000)
{
/* This is a 32-bit microMIPS instruction. */
higher = insn;
/* FIXME: Should probably use a hash table on the major opcode here. */
-#define GET_OP(insn, field) \
- (((insn) >> MICROMIPSOP_SH_##field) & MICROMIPSOP_MASK_##field)
-#define GET_OP_S(insn, field) \
- ((GET_OP (insn, field) ^ ((MICROMIPSOP_MASK_##field >> 1) + 1)) \
- - ((MICROMIPSOP_MASK_##field >> 1) + 1))
opend = micromips_opcodes + bfd_micromips_num_opcodes;
for (op = micromips_opcodes; op < opend; op++)
{
&& ((length == 2 && (op->mask & 0xffff0000) == 0)
|| (length == 4 && (op->mask & 0xffff0000) != 0)))
{
- const char *s;
+ if (!validate_insn_args (op, decode_micromips_operand, insn))
+ continue;
infprintf (is, "%s", op->name);
- if (op->args[0] != '\0')
- infprintf (is, "\t");
- for (s = op->args; *s != '\0'; s++)
+ if (op->args[0])
{
- switch (*s)
- {
- case ',':
- case '(':
- case ')':
- infprintf (is, "%c", *s);
- break;
-
- case '.':
- infprintf (is, "%d", GET_OP_S (insn, OFFSET10));
- break;
-
- case '1':
- infprintf (is, "0x%x", GET_OP (insn, STYPE));
- break;
-
- case '2':
- infprintf (is, "0x%x", GET_OP (insn, BP));
- break;
-
- case '3':
- infprintf (is, "0x%x", GET_OP (insn, SA3));
- break;
-
- case '4':
- infprintf (is, "0x%x", GET_OP (insn, SA4));
- break;
-
- case '5':
- infprintf (is, "0x%x", GET_OP (insn, IMM8));
- break;
-
- case '6':
- infprintf (is, "0x%x", GET_OP (insn, RS));
- break;
-
- case '7':
- infprintf (is, "$ac%d", GET_OP (insn, DSPACC));
- break;
-
- case '8':
- infprintf (is, "0x%x", GET_OP (insn, WRDSP));
- break;
-
- case '0': /* DSP 6-bit signed immediate in bit 16. */
- delta = (GET_OP (insn, DSPSFT) ^ 0x20) - 0x20;
- infprintf (is, "%d", delta);
- break;
-
- case '<':
- infprintf (is, "0x%x", GET_OP (insn, SHAMT));
- break;
-
- case '\\':
- infprintf (is, "0x%x", GET_OP (insn, 3BITPOS));
- break;
-
- case '^':
- infprintf (is, "0x%x", GET_OP (insn, RD));
- break;
-
- case '|':
- infprintf (is, "0x%x", GET_OP (insn, TRAP));
- break;
-
- case '~':
- infprintf (is, "%d", GET_OP_S (insn, OFFSET12));
- break;
-
- case 'a':
- info->target = (((memaddr + 4) & ~(bfd_vma) 0x07ffffff)
- | (GET_OP (insn, TARGET) << 1));
- /* For gdb disassembler, maintain odd address. */
- if (info->flavour == bfd_target_unknown_flavour)
- info->target |= 1;
- (*info->print_address_func) (info->target, info);
- break;
-
- case 'b':
- case 'r':
- case 's':
- case 'v':
- infprintf (is, "%s", mips_gpr_names[GET_OP (insn, RS)]);
- break;
-
- case 'c':
- infprintf (is, "0x%x", GET_OP (insn, CODE));
- break;
-
- case 'd':
- infprintf (is, "%s", mips_gpr_names[GET_OP (insn, RD)]);
- break;
-
- case 'h':
- infprintf (is, "0x%x", GET_OP (insn, PREFX));
- break;
-
- case 'i':
- case 'u':
- infprintf (is, "0x%x", GET_OP (insn, IMMEDIATE));
- break;
-
- case 'j': /* Same as i, but sign-extended. */
- case 'o':
- infprintf (is, "%d", GET_OP_S (insn, DELTA));
- break;
-
- case 'k':
- infprintf (is, "0x%x", GET_OP (insn, CACHE));
- break;
-
- case 'n':
- {
- int s_reg_encode;
-
- immed = GET_OP (insn, RT);
- s_reg_encode = immed & 0xf;
- if (s_reg_encode != 0)
- {
- if (s_reg_encode == 1)
- infprintf (is, "%s", mips_gpr_names[16]);
- else if (s_reg_encode < 9)
- infprintf (is, "%s-%s",
- mips_gpr_names[16],
- mips_gpr_names[15 + s_reg_encode]);
- else if (s_reg_encode == 9)
- infprintf (is, "%s-%s,%s",
- mips_gpr_names[16],
- mips_gpr_names[23],
- mips_gpr_names[30]);
- else
- infprintf (is, "UNKNOWN");
- }
-
- if (immed & 0x10) /* For ra. */
- {
- if (s_reg_encode == 0)
- infprintf (is, "%s", mips_gpr_names[31]);
- else
- infprintf (is, ",%s", mips_gpr_names[31]);
- }
- break;
- }
-
- case 'p':
- /* Sign-extend the displacement. */
- delta = GET_OP_S (insn, DELTA);
- info->target = (delta << 1) + memaddr + length;
- (*info->print_address_func) (info->target, info);
- break;
-
- case 'q':
- infprintf (is, "0x%x", GET_OP (insn, CODE2));
- break;
-
- case 't':
- case 'w':
- infprintf (is, "%s", mips_gpr_names[GET_OP (insn, RT)]);
- break;
-
- case 'y':
- infprintf (is, "%s", mips_gpr_names[GET_OP (insn, RS3)]);
- break;
-
- case 'z':
- infprintf (is, "%s", mips_gpr_names[0]);
- break;
-
- case '@': /* DSP 10-bit signed immediate in bit 16. */
- delta = (GET_OP (insn, IMM10) ^ 0x200) - 0x200;
- infprintf (is, "%d", delta);
- break;
-
- case 'B':
- infprintf (is, "0x%x", GET_OP (insn, CODE10));
- break;
-
- case 'C':
- infprintf (is, "0x%x", GET_OP (insn, COPZ));
- break;
-
- case 'D':
- infprintf (is, "%s", mips_fpr_names[GET_OP (insn, FD)]);
- break;
-
- case 'E':
- /* Coprocessor register for lwcN instructions, et al.
-
- Note that there is no load/store cp0 instructions, and
- that FPU (cp1) instructions disassemble this field using
- 'T' format. Therefore, until we gain understanding of
- cp2 register names, we can simply print the register
- numbers. */
- infprintf (is, "$%d", GET_OP (insn, RT));
- break;
-
- case 'G':
- /* Coprocessor register for mtcN instructions, et al. Note
- that FPU (cp1) instructions disassemble this field using
- 'S' format. Therefore, we only need to worry about cp0,
- cp2, and cp3. */
- if (op->name[strlen (op->name) - 1] == '0')
- {
- if (s[1] == ',' && s[2] == 'H')
- {
- const struct mips_cp0sel_name *n;
- unsigned int cp0reg, sel;
-
- cp0reg = GET_OP (insn, RS);
- sel = GET_OP (insn, SEL);
-
- /* CP0 register including 'sel' code for mtcN
- (et al.), to be printed textually if known.
- If not known, print both CP0 register name and
- sel numerically since CP0 register with sel 0 may
- have a name unrelated to register being
- printed. */
- n = lookup_mips_cp0sel_name (mips_cp0sel_names,
- mips_cp0sel_names_len,
- cp0reg, sel);
- if (n != NULL)
- infprintf (is, "%s", n->name);
- else
- infprintf (is, "$%d,%d", cp0reg, sel);
- s += 2;
- }
- else
- infprintf (is, "%s", mips_cp0_names[GET_OP (insn, RS)]);
- }
- else
- infprintf (is, "$%d", GET_OP (insn, RS));
- break;
-
- case 'H':
- infprintf (is, "%d", GET_OP (insn, SEL));
- break;
-
- case 'K':
- infprintf (is, "%s", mips_hwr_names[GET_OP (insn, RS)]);
- break;
-
- case 'M':
- infprintf (is, "$fcc%d", GET_OP (insn, CCC));
- break;
-
- case 'N':
- infprintf (is,
- (op->pinfo & (FP_D | FP_S)) != 0
- ? "$fcc%d" : "$cc%d",
- GET_OP (insn, BCC));
- break;
-
- case 'R':
- infprintf (is, "%s", mips_fpr_names[GET_OP (insn, FR)]);
- break;
-
- case 'S':
- case 'V':
- infprintf (is, "%s", mips_fpr_names[GET_OP (insn, FS)]);
- break;
-
- case 'T':
- infprintf (is, "%s", mips_fpr_names[GET_OP (insn, FT)]);
- break;
-
- case '+':
- /* Extension character; switch for second char. */
- s++;
- switch (*s)
- {
- case 'A':
- lsb = GET_OP (insn, EXTLSB);
- infprintf (is, "0x%x", lsb);
- break;
-
- case 'B':
- msb = GET_OP (insn, INSMSB);
- infprintf (is, "0x%x", msb - lsb + 1);
- break;
-
- case 'C':
- case 'H':
- msbd = GET_OP (insn, EXTMSBD);
- infprintf (is, "0x%x", msbd + 1);
- break;
-
- case 'E':
- lsb = GET_OP (insn, EXTLSB) + 32;
- infprintf (is, "0x%x", lsb);
- break;
-
- case 'F':
- msb = GET_OP (insn, INSMSB) + 32;
- infprintf (is, "0x%x", msb - lsb + 1);
- break;
-
- case 'G':
- msbd = GET_OP (insn, EXTMSBD) + 32;
- infprintf (is, "0x%x", msbd + 1);
- break;
-
- case 'i':
- info->target = (((memaddr + 4) & ~(bfd_vma) 0x0fffffff)
- | (GET_OP (insn, TARGET) << 2));
- (*info->print_address_func) (info->target, info);
- break;
-
- case 'j': /* 9-bit signed offset in bit 0. */
- delta = GET_OP_S (insn, EVAOFFSET);
- infprintf (is, "%d", delta);
- break;
-
- default:
- /* xgettext:c-format */
- infprintf (is,
- _("# internal disassembler error, "
- "unrecognized modifier (+%c)"),
- *s);
- abort ();
- }
- break;
-
- case 'm':
- /* Extension character; switch for second char. */
- s++;
- switch (*s)
- {
- case 'a': /* global pointer. */
- infprintf (is, "%s", mips_gpr_names[28]);
- break;
-
- case 'b':
- regno = micromips_to_32_reg_b_map[GET_OP (insn, MB)];
- infprintf (is, "%s", mips_gpr_names[regno]);
- break;
-
- case 'c':
- regno = micromips_to_32_reg_c_map[GET_OP (insn, MC)];
- infprintf (is, "%s", mips_gpr_names[regno]);
- break;
-
- case 'd':
- regno = micromips_to_32_reg_d_map[GET_OP (insn, MD)];
- infprintf (is, "%s", mips_gpr_names[regno]);
- break;
-
- case 'e':
- regno = micromips_to_32_reg_e_map[GET_OP (insn, ME)];
- infprintf (is, "%s", mips_gpr_names[regno]);
- break;
-
- case 'f':
- /* Save lastregno for "mt" to print out later. */
- lastregno = micromips_to_32_reg_f_map[GET_OP (insn, MF)];
- infprintf (is, "%s", mips_gpr_names[lastregno]);
- break;
-
- case 'g':
- regno = micromips_to_32_reg_g_map[GET_OP (insn, MG)];
- infprintf (is, "%s", mips_gpr_names[regno]);
- break;
-
- case 'h':
- regno = micromips_to_32_reg_h_map1[GET_OP (insn, MH)];
- infprintf (is, "%s", mips_gpr_names[regno]);
- regno = micromips_to_32_reg_h_map2[GET_OP (insn, MH)];
- infprintf (is, ",%s", mips_gpr_names[regno]);
- break;
-
- case 'j':
- infprintf (is, "%s", mips_gpr_names[GET_OP (insn, MJ)]);
- break;
-
- case 'l':
- regno = micromips_to_32_reg_l_map[GET_OP (insn, ML)];
- infprintf (is, "%s", mips_gpr_names[regno]);
- break;
-
- case 'm':
- regno = micromips_to_32_reg_m_map[GET_OP (insn, MM)];
- infprintf (is, "%s", mips_gpr_names[regno]);
- break;
-
- case 'n':
- regno = micromips_to_32_reg_n_map[GET_OP (insn, MN)];
- infprintf (is, "%s", mips_gpr_names[regno]);
- break;
-
- case 'p':
- /* Save lastregno for "mt" to print out later. */
- lastregno = GET_OP (insn, MP);
- infprintf (is, "%s", mips_gpr_names[lastregno]);
- break;
-
- case 'q':
- regno = micromips_to_32_reg_q_map[GET_OP (insn, MQ)];
- infprintf (is, "%s", mips_gpr_names[regno]);
- break;
-
- case 'r': /* program counter. */
- infprintf (is, "$pc");
- break;
-
- case 's': /* stack pointer. */
- lastregno = 29;
- infprintf (is, "%s", mips_gpr_names[29]);
- break;
-
- case 't':
- infprintf (is, "%s", mips_gpr_names[lastregno]);
- break;
-
- case 'z': /* $0. */
- infprintf (is, "%s", mips_gpr_names[0]);
- break;
-
- case 'A':
- /* Sign-extend the immediate. */
- immed = GET_OP_S (insn, IMMA) << 2;
- infprintf (is, "%d", immed);
- break;
-
- case 'B':
- immed = micromips_imm_b_map[GET_OP (insn, IMMB)];
- infprintf (is, "%d", immed);
- break;
-
- case 'C':
- immed = micromips_imm_c_map[GET_OP (insn, IMMC)];
- infprintf (is, "0x%x", immed);
- break;
-
- case 'D':
- /* Sign-extend the displacement. */
- delta = GET_OP_S (insn, IMMD);
- info->target = (delta << 1) + memaddr + length;
- (*info->print_address_func) (info->target, info);
- break;
-
- case 'E':
- /* Sign-extend the displacement. */
- delta = GET_OP_S (insn, IMME);
- info->target = (delta << 1) + memaddr + length;
- (*info->print_address_func) (info->target, info);
- break;
-
- case 'F':
- immed = GET_OP (insn, IMMF);
- infprintf (is, "0x%x", immed);
- break;
-
- case 'G':
- immed = (insn >> MICROMIPSOP_SH_IMMG) + 1;
- immed = (immed & MICROMIPSOP_MASK_IMMG) - 1;
- infprintf (is, "%d", immed);
- break;
-
- case 'H':
- immed = GET_OP (insn, IMMH) << 1;
- infprintf (is, "%d", immed);
- break;
-
- case 'I':
- immed = (insn >> MICROMIPSOP_SH_IMMI) + 1;
- immed = (immed & MICROMIPSOP_MASK_IMMI) - 1;
- infprintf (is, "%d", immed);
- break;
-
- case 'J':
- immed = GET_OP (insn, IMMJ) << 2;
- infprintf (is, "%d", immed);
- break;
-
- case 'L':
- immed = GET_OP (insn, IMML);
- infprintf (is, "%d", immed);
- break;
-
- case 'M':
- immed = (insn >> MICROMIPSOP_SH_IMMM) - 1;
- immed = (immed & MICROMIPSOP_MASK_IMMM) + 1;
- infprintf (is, "%d", immed);
- break;
-
- case 'N':
- immed = GET_OP (insn, IMMN);
- if (immed == 0)
- infprintf (is, "%s,%s",
- mips_gpr_names[16],
- mips_gpr_names[31]);
- else
- infprintf (is, "%s-%s,%s",
- mips_gpr_names[16],
- mips_gpr_names[16 + immed],
- mips_gpr_names[31]);
- break;
-
- case 'O':
- immed = GET_OP (insn, IMMO);
- infprintf (is, "0x%x", immed);
- break;
-
- case 'P':
- immed = GET_OP (insn, IMMP) << 2;
- infprintf (is, "%d", immed);
- break;
-
- case 'Q':
- /* Sign-extend the immediate. */
- immed = GET_OP_S (insn, IMMQ) << 2;
- infprintf (is, "%d", immed);
- break;
-
- case 'U':
- immed = GET_OP (insn, IMMU) << 2;
- infprintf (is, "%d", immed);
- break;
-
- case 'W':
- immed = GET_OP (insn, IMMW) << 2;
- infprintf (is, "%d", immed);
- break;
-
- case 'X':
- /* Sign-extend the immediate. */
- immed = GET_OP_S (insn, IMMX);
- infprintf (is, "%d", immed);
- break;
-
- case 'Y':
- /* Sign-extend the immediate. */
- immed = GET_OP_S (insn, IMMY) << 2;
- if ((unsigned int) (immed + 8) < 16)
- immed ^= 0x400;
- infprintf (is, "%d", immed);
- break;
-
- default:
- /* xgettext:c-format */
- infprintf (is,
- _("# internal disassembler error, "
- "unrecognized modifier (m%c)"),
- *s);
- abort ();
- }
- break;
-
- default:
- /* xgettext:c-format */
- infprintf (is,
- _("# internal disassembler error, "
- "unrecognized modifier (%c)"),
- *s);
- abort ();
- }
+ infprintf (is, "\t");
+ print_insn_args (info, op, decode_micromips_operand, insn,
+ memaddr + 1, length);
}
/* Figure out instruction type and branch delay information. */
if (((op->pinfo & INSN_UNCOND_BRANCH_DELAY)
| (op->pinfo2 & INSN2_UNCOND_BRANCH)) != 0)
{
- if ((op->pinfo & (INSN_WRITE_GPR_31 | INSN_WRITE_GPR_T)) != 0)
+ if ((op->pinfo & (INSN_WRITE_GPR_31 | INSN_WRITE_1)) != 0)
info->insn_type = dis_jsr;
else
info->insn_type = dis_branch;
info->insn_type = dis_condbranch;
}
else if ((op->pinfo
- & (INSN_STORE_MEMORY | INSN_LOAD_MEMORY_DELAY)) != 0)
+ & (INSN_STORE_MEMORY | INSN_LOAD_MEMORY)) != 0)
info->insn_type = dis_dref;
return length;
}
}
-#undef GET_OP_S
-#undef GET_OP
infprintf (is, "0x%x", insn);
info->insn_type = dis_noninsn;
}
/* Return 1 if a symbol associated with the location being disassembled
- indicates a compressed (MIPS16 or microMIPS) mode. We iterate over
- all the symbols at the address being considered assuming if at least
- one of them indicates code compression, then such code has been
- genuinely produced here (other symbols could have been derived from
- function symbols defined elsewhere or could define data). Otherwise,
- return 0. */
-
-static bfd_boolean
-is_compressed_mode_p (struct disassemble_info *info)
+ indicates a compressed mode, either MIPS16 or microMIPS, according to
+ MICROMIPS_P. We iterate over all the symbols at the address being
+ considered assuming if at least one of them indicates code compression,
+ then such code has been genuinely produced here (other symbols could
+ have been derived from function symbols defined elsewhere or could
+ define data). Otherwise, return 0. */
+
+static bool
+is_compressed_mode_p (struct disassemble_info *info, bool micromips_p)
{
int i;
int l;
for (i = info->symtab_pos, l = i + info->num_symbols; i < l; i++)
if (((info->symtab[i])->flags & BSF_SYNTHETIC) != 0
- && ((!micromips_ase
+ && ((!micromips_p
&& ELF_ST_IS_MIPS16 ((*info->symbols)->udata.i))
- || (micromips_ase
+ || (micromips_p
&& ELF_ST_IS_MICROMIPS ((*info->symbols)->udata.i))))
return 1;
else if (bfd_asymbol_flavour (info->symtab[i]) == bfd_target_elf_flavour
&& info->symtab[i]->section == info->section)
{
elf_symbol_type *symbol = (elf_symbol_type *) info->symtab[i];
- if ((!micromips_ase
+ if ((!micromips_p
&& ELF_ST_IS_MIPS16 (symbol->internal_elf_sym.st_other))
- || (micromips_ase
+ || (micromips_p
&& ELF_ST_IS_MICROMIPS (symbol->internal_elf_sym.st_other)))
return 1;
}
struct disassemble_info *info,
enum bfd_endian endianness)
{
- int (*print_insn_compr) (bfd_vma, struct disassemble_info *);
bfd_byte buffer[INSNLEN];
int status;
if (info->mach == bfd_mach_mips_micromips)
return print_insn_micromips (memaddr, info);
- print_insn_compr = !micromips_ase ? print_insn_mips16 : print_insn_micromips;
-
#if 1
/* FIXME: If odd address, this is CLEARLY a compressed instruction. */
/* Only a few tools will work this way. */
if (memaddr & 0x01)
- return print_insn_compr (memaddr, info);
+ {
+ if (micromips_ase)
+ return print_insn_micromips (memaddr, info);
+ else
+ return print_insn_mips16 (memaddr, info);
+ }
#endif
#if SYMTAB_AVAILABLE
- if (is_compressed_mode_p (info))
- return print_insn_compr (memaddr, info);
+ if (is_compressed_mode_p (info, true))
+ return print_insn_micromips (memaddr, info);
+ if (is_compressed_mode_p (info, false))
+ return print_insn_mips16 (memaddr, info);
#endif
status = (*info->read_memory_func) (memaddr, buffer, INSNLEN, info);
return _print_insn_mips (memaddr, info, BFD_ENDIAN_LITTLE);
}
\f
-void
-print_mips_disassembler_options (FILE *stream)
+/* Indices into option argument vector for options accepting an argument.
+ Use MIPS_OPTION_ARG_NONE for options accepting no argument. */
+typedef enum
{
- unsigned int i;
+ MIPS_OPTION_ARG_NONE = -1,
+ MIPS_OPTION_ARG_ABI,
+ MIPS_OPTION_ARG_ARCH,
+ MIPS_OPTION_ARG_SIZE
+} mips_option_arg_t;
+
+/* Valid MIPS disassembler options. */
+static struct
+{
+ const char *name;
+ const char *description;
+ mips_option_arg_t arg;
+} mips_options[] =
+{
+ { "no-aliases", N_("Use canonical instruction forms.\n"),
+ MIPS_OPTION_ARG_NONE },
+ { "msa", N_("Recognize MSA instructions.\n"),
+ MIPS_OPTION_ARG_NONE },
+ { "virt", N_("Recognize the virtualization ASE instructions.\n"),
+ MIPS_OPTION_ARG_NONE },
+ { "xpa", N_("Recognize the eXtended Physical Address (XPA) ASE\n\
+ instructions.\n"),
+ MIPS_OPTION_ARG_NONE },
+ { "ginv", N_("Recognize the Global INValidate (GINV) ASE "
+ "instructions.\n"),
+ MIPS_OPTION_ARG_NONE },
+ { "loongson-mmi",
+ N_("Recognize the Loongson MultiMedia extensions "
+ "Instructions (MMI) ASE instructions.\n"),
+ MIPS_OPTION_ARG_NONE },
+ { "loongson-cam",
+ N_("Recognize the Loongson Content Address Memory (CAM) "
+ " instructions.\n"),
+ MIPS_OPTION_ARG_NONE },
+ { "loongson-ext",
+ N_("Recognize the Loongson EXTensions (EXT) "
+ " instructions.\n"),
+ MIPS_OPTION_ARG_NONE },
+ { "loongson-ext2",
+ N_("Recognize the Loongson EXTensions R2 (EXT2) "
+ " instructions.\n"),
+ MIPS_OPTION_ARG_NONE },
+ { "gpr-names=", N_("Print GPR names according to specified ABI.\n\
+ Default: based on binary being disassembled.\n"),
+ MIPS_OPTION_ARG_ABI },
+ { "fpr-names=", N_("Print FPR names according to specified ABI.\n\
+ Default: numeric.\n"),
+ MIPS_OPTION_ARG_ABI },
+ { "cp0-names=", N_("Print CP0 register names according to specified "
+ "architecture.\n\
+ Default: based on binary being disassembled.\n"),
+ MIPS_OPTION_ARG_ARCH },
+ { "hwr-names=", N_("Print HWR names according to specified architecture.\n\
+ Default: based on binary being disassembled.\n"),
+ MIPS_OPTION_ARG_ARCH },
+ { "reg-names=", N_("Print GPR and FPR names according to specified ABI.\n"),
+ MIPS_OPTION_ARG_ABI },
+ { "reg-names=", N_("Print CP0 register and HWR names according to "
+ "specified\n\
+ architecture."),
+ MIPS_OPTION_ARG_ARCH }
+};
- fprintf (stream, _("\n\
-The following MIPS specific disassembler options are supported for use\n\
-with the -M switch (multiple options should be separated by commas):\n"));
+/* Build the structure representing valid MIPS disassembler options.
+ This is done dynamically for maintenance ease purpose; a static
+ initializer would be unreadable. */
- fprintf (stream, _("\n\
- virt Recognize the virtualization ASE instructions.\n"));
+const disasm_options_and_args_t *
+disassembler_options_mips (void)
+{
+ static disasm_options_and_args_t *opts_and_args;
- fprintf (stream, _("\n\
- gpr-names=ABI Print GPR names according to specified ABI.\n\
- Default: based on binary being disassembled.\n"));
+ if (opts_and_args == NULL)
+ {
+ size_t num_options = ARRAY_SIZE (mips_options);
+ size_t num_args = MIPS_OPTION_ARG_SIZE;
+ disasm_option_arg_t *args;
+ disasm_options_t *opts;
+ size_t i;
+ size_t j;
+
+ args = XNEWVEC (disasm_option_arg_t, num_args + 1);
+
+ args[MIPS_OPTION_ARG_ABI].name = "ABI";
+ args[MIPS_OPTION_ARG_ABI].values
+ = XNEWVEC (const char *, ARRAY_SIZE (mips_abi_choices) + 1);
+ for (i = 0; i < ARRAY_SIZE (mips_abi_choices); i++)
+ args[MIPS_OPTION_ARG_ABI].values[i] = mips_abi_choices[i].name;
+ /* The array we return must be NULL terminated. */
+ args[MIPS_OPTION_ARG_ABI].values[i] = NULL;
+
+ args[MIPS_OPTION_ARG_ARCH].name = "ARCH";
+ args[MIPS_OPTION_ARG_ARCH].values
+ = XNEWVEC (const char *, ARRAY_SIZE (mips_arch_choices) + 1);
+ for (i = 0, j = 0; i < ARRAY_SIZE (mips_arch_choices); i++)
+ if (*mips_arch_choices[i].name != '\0')
+ args[MIPS_OPTION_ARG_ARCH].values[j++] = mips_arch_choices[i].name;
+ /* The array we return must be NULL terminated. */
+ args[MIPS_OPTION_ARG_ARCH].values[j] = NULL;
+
+ /* The array we return must be NULL terminated. */
+ args[MIPS_OPTION_ARG_SIZE].name = NULL;
+ args[MIPS_OPTION_ARG_SIZE].values = NULL;
+
+ opts_and_args = XNEW (disasm_options_and_args_t);
+ opts_and_args->args = args;
+
+ opts = &opts_and_args->options;
+ opts->name = XNEWVEC (const char *, num_options + 1);
+ opts->description = XNEWVEC (const char *, num_options + 1);
+ opts->arg = XNEWVEC (const disasm_option_arg_t *, num_options + 1);
+ for (i = 0; i < num_options; i++)
+ {
+ opts->name[i] = mips_options[i].name;
+ opts->description[i] = _(mips_options[i].description);
+ if (mips_options[i].arg != MIPS_OPTION_ARG_NONE)
+ opts->arg[i] = &args[mips_options[i].arg];
+ else
+ opts->arg[i] = NULL;
+ }
+ /* The array we return must be NULL terminated. */
+ opts->name[i] = NULL;
+ opts->description[i] = NULL;
+ opts->arg[i] = NULL;
+ }
- fprintf (stream, _("\n\
- fpr-names=ABI Print FPR names according to specified ABI.\n\
- Default: numeric.\n"));
+ return opts_and_args;
+}
- fprintf (stream, _("\n\
- cp0-names=ARCH Print CP0 register names according to\n\
- specified architecture.\n\
- Default: based on binary being disassembled.\n"));
+void
+print_mips_disassembler_options (FILE *stream)
+{
+ const disasm_options_and_args_t *opts_and_args;
+ const disasm_option_arg_t *args;
+ const disasm_options_t *opts;
+ size_t max_len = 0;
+ size_t i;
+ size_t j;
- fprintf (stream, _("\n\
- hwr-names=ARCH Print HWR names according to specified \n\
- architecture.\n\
- Default: based on binary being disassembled.\n"));
+ opts_and_args = disassembler_options_mips ();
+ opts = &opts_and_args->options;
+ args = opts_and_args->args;
fprintf (stream, _("\n\
- reg-names=ABI Print GPR and FPR names according to\n\
- specified ABI.\n"));
+The following MIPS specific disassembler options are supported for use\n\
+with the -M switch (multiple options should be separated by commas):\n\n"));
- fprintf (stream, _("\n\
- reg-names=ARCH Print CP0 register and HWR names according to\n\
- specified architecture.\n"));
+ /* Compute the length of the longest option name. */
+ for (i = 0; opts->name[i] != NULL; i++)
+ {
+ size_t len = strlen (opts->name[i]);
- fprintf (stream, _("\n\
- For the options above, the following values are supported for \"ABI\":\n\
- "));
- for (i = 0; i < ARRAY_SIZE (mips_abi_choices); i++)
- fprintf (stream, " %s", mips_abi_choices[i].name);
- fprintf (stream, _("\n"));
+ if (opts->arg[i] != NULL)
+ len += strlen (opts->arg[i]->name);
+ if (max_len < len)
+ max_len = len;
+ }
- fprintf (stream, _("\n\
- For the options above, The following values are supported for \"ARCH\":\n\
- "));
- for (i = 0; i < ARRAY_SIZE (mips_arch_choices); i++)
- if (*mips_arch_choices[i].name != '\0')
- fprintf (stream, " %s", mips_arch_choices[i].name);
- fprintf (stream, _("\n"));
+ for (i = 0, max_len++; opts->name[i] != NULL; i++)
+ {
+ fprintf (stream, " %s", opts->name[i]);
+ if (opts->arg[i] != NULL)
+ fprintf (stream, "%s", opts->arg[i]->name);
+ if (opts->description[i] != NULL)
+ {
+ size_t len = strlen (opts->name[i]);
+
+ if (opts->arg[i] != NULL)
+ len += strlen (opts->arg[i]->name);
+ fprintf (stream,
+ "%*c %s", (int) (max_len - len), ' ', opts->description[i]);
+ }
+ fprintf (stream, _("\n"));
+ }
+
+ for (i = 0; args[i].name != NULL; i++)
+ {
+ fprintf (stream, _("\n\
+ For the options above, the following values are supported for \"%s\":\n "),
+ args[i].name);
+ for (j = 0; args[i].values[j] != NULL; j++)
+ fprintf (stream, " %s", args[i].values[j]);
+ fprintf (stream, _("\n"));
+ }
fprintf (stream, _("\n"));
}
projects / thirdparty / binutils-gdb.git / blobdiff