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authorNick Clifton <nickc@redhat.com>2006-09-16 23:51:50 +0000
committerNick Clifton <nickc@redhat.com>2006-09-16 23:51:50 +0000
commit1c0d3aa6ae7db5d61f1166cf907ed034d0ac4980 (patch)
tree649703aa90d3ccbe80e1442bfbb36380db2c7edd /gas
parent0112cd268b205d8176b8b4d00988a334822956cf (diff)
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Add support for Score target.
Diffstat (limited to 'gas')
-rw-r--r--gas/ChangeLog9
-rw-r--r--gas/Makefile.am10
-rw-r--r--gas/Makefile.in11
-rw-r--r--gas/NEWS1
-rw-r--r--gas/config/tc-score.c6634
-rw-r--r--gas/config/tc-score.h83
-rw-r--r--gas/configure.tgt4
-rw-r--r--gas/testsuite/ChangeLog6
-rw-r--r--gas/testsuite/gas/elf/elf.exp3
-rw-r--r--gas/testsuite/gas/elf/section2.e-score9
10 files changed, 6770 insertions, 0 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 5ea2728..64b3470 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,12 @@
+2006-09-17 Mei Ligang <ligang@sunnorth.com.cn>
+
+ * config/tc-score.c: New file.
+ * config/tc-score.h: Newf file.
+ * configure.tgt: Add Score target.
+ * Makefile.am: Add Score files.
+ * Makefile.in: Regenerate.
+ * NEWS: Mention new target support.
+
2006-09-16 Paul Brook <paul@codesourcery.com>
* config/tc-arm.c (s_arm_unwind_movsp): Add offset argument.
diff --git a/gas/Makefile.am b/gas/Makefile.am
index dbf3dee..2a4f5a3 100644
--- a/gas/Makefile.am
+++ b/gas/Makefile.am
@@ -77,6 +77,7 @@ CPU_TYPES = \
pj \
ppc \
s390 \
+ score \
sh \
sh64 \
sparc \
@@ -264,6 +265,7 @@ TARGET_CPU_CFILES = \
config/tc-pj.c \
config/tc-ppc.c \
config/tc-s390.c \
+ config/tc-score.c \
config/tc-sh.c \
config/tc-sh64.c \
config/tc-sparc.c \
@@ -315,6 +317,7 @@ TARGET_CPU_HFILES = \
config/tc-pj.h \
config/tc-ppc.h \
config/tc-s390.h \
+ config/tc-score.h \
config/tc-sh.h \
config/tc-sh64.h \
config/tc-sparc.h \
@@ -1281,6 +1284,13 @@ DEPTC_s390_elf = $(srcdir)/config/obj-elf.h $(BFDDIR)/elf-bfd.h \
$(INCDIR)/safe-ctype.h subsegs.h $(INCDIR)/obstack.h \
struc-symbol.h dw2gencfi.h $(INCDIR)/elf/dwarf2.h $(INCDIR)/opcode/s390.h \
$(INCDIR)/elf/s390.h $(INCDIR)/elf/reloc-macros.h
+DEPTC_score_elf = $(INCDIR)/symcat.h $(srcdir)/config/obj-elf.h \
+ $(BFDDIR)/elf-bfd.h $(INCDIR)/elf/common.h $(INCDIR)/elf/internal.h \
+ $(INCDIR)/elf/external.h $(INCDIR)/bfdlink.h $(srcdir)/config/tc-score.h \
+ $(INCDIR)/safe-ctype.h subsegs.h $(INCDIR)/obstack.h \
+ $(INCDIR)/elf/score.h $(INCDIR)/elf/reloc-macros.h \
+ dwarf2dbg.h dw2gencfi.h $(INCDIR)/elf/dwarf2.h \
+ $(INCDIR)/opcode/score-inst.h $(INCDIR)/opcode/score-datadep.h
DEPTC_sh_coff = $(srcdir)/config/obj-coff.h $(srcdir)/config/tc-sh.h \
$(INCDIR)/coff/internal.h $(INCDIR)/coff/sh.h $(INCDIR)/coff/external.h \
$(BFDDIR)/libcoff.h $(INCDIR)/bfdlink.h subsegs.h $(INCDIR)/obstack.h \
diff --git a/gas/Makefile.in b/gas/Makefile.in
index dd07dc6..2d53f12 100644
--- a/gas/Makefile.in
+++ b/gas/Makefile.in
@@ -306,6 +306,7 @@ CPU_TYPES = \
pj \
ppc \
s390 \
+ score \
sh \
sh64 \
sparc \
@@ -491,6 +492,7 @@ TARGET_CPU_CFILES = \
config/tc-pj.c \
config/tc-ppc.c \
config/tc-s390.c \
+ config/tc-score.c \
config/tc-sh.c \
config/tc-sh64.c \
config/tc-sparc.c \
@@ -542,6 +544,7 @@ TARGET_CPU_HFILES = \
config/tc-pj.h \
config/tc-ppc.h \
config/tc-s390.h \
+ config/tc-score.h \
config/tc-sh.h \
config/tc-sh64.h \
config/tc-sparc.h \
@@ -1081,6 +1084,14 @@ DEPTC_s390_elf = $(srcdir)/config/obj-elf.h $(BFDDIR)/elf-bfd.h \
struc-symbol.h dw2gencfi.h $(INCDIR)/elf/dwarf2.h $(INCDIR)/opcode/s390.h \
$(INCDIR)/elf/s390.h $(INCDIR)/elf/reloc-macros.h
+DEPTC_score_elf = $(INCDIR)/symcat.h $(srcdir)/config/obj-elf.h \
+ $(BFDDIR)/elf-bfd.h $(INCDIR)/elf/common.h $(INCDIR)/elf/internal.h \
+ $(INCDIR)/elf/external.h $(INCDIR)/bfdlink.h $(srcdir)/config/tc-score.h \
+ $(INCDIR)/safe-ctype.h subsegs.h $(INCDIR)/obstack.h \
+ $(INCDIR)/elf/score.h $(INCDIR)/elf/reloc-macros.h \
+ dwarf2dbg.h dw2gencfi.h $(INCDIR)/elf/dwarf2.h \
+ $(INCDIR)/opcode/score-inst.h $(INCDIR)/opcode/score-datadep.h
+
DEPTC_sh_coff = $(srcdir)/config/obj-coff.h $(srcdir)/config/tc-sh.h \
$(INCDIR)/coff/internal.h $(INCDIR)/coff/sh.h $(INCDIR)/coff/external.h \
$(BFDDIR)/libcoff.h $(INCDIR)/bfdlink.h subsegs.h $(INCDIR)/obstack.h \
diff --git a/gas/NEWS b/gas/NEWS
index 4b4d029..23ae48d 100644
--- a/gas/NEWS
+++ b/gas/NEWS
@@ -1,4 +1,5 @@
-*- text -*-
+* Add support for Score target.
* Support for the Infineon XC16X has been added by KPIT Cummins Infosystems.
diff --git a/gas/config/tc-score.c b/gas/config/tc-score.c
new file mode 100644
index 0000000..05c0c0b
--- /dev/null
+++ b/gas/config/tc-score.c
@@ -0,0 +1,6634 @@
+/* tc-score.c -- Assembler for Score
+ Copyright 2006 Free Software Foundation, Inc.
+ Contributed by:
+ Mei Ligang (ligang@sunnorth.com.cn)
+ Pei-Lin Tsai (pltsai@sunplus.com)
+
+ This file is part of GAS, the GNU Assembler.
+
+ GAS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ GAS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GAS; see the file COPYING. If not, write to the Free
+ Software Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
+
+#include "as.h"
+#include "config.h"
+#include "subsegs.h"
+#include "safe-ctype.h"
+#include "opcode/score-inst.h"
+#include "opcode/score-datadep.h"
+#include "struc-symbol.h"
+
+#ifdef OBJ_ELF
+#include "elf/score.h"
+#include "dwarf2dbg.h"
+#endif
+
+#define GP 28
+#define PIC_CALL_REG 29
+#define MAX_LITERAL_POOL_SIZE 1024
+#define FAIL 0x80000000
+#define SUCCESS 0
+#define INSN_SIZE 4
+#define INSN16_SIZE 2
+#define RELAX_INST_NUM 3
+#define Insn_PIC 123
+
+/* For score5u : div/mul will pop warning message, mmu/alw/asw will pop error message. */
+#define BAD_ARGS _("bad arguments to instruction")
+#define BAD_PC _("r15 not allowed here")
+#define BAD_COND _("instruction is not conditional")
+#define ERR_NO_ACCUM _("acc0 expected")
+#define ERR_FOR_SCORE5U_MUL_DIV _("div / mul are reserved instructions")
+#define ERR_FOR_SCORE5U_MMU _("This architecture doesn't support mmu")
+#define ERR_FOR_SCORE5U_ATOMIC _("This architecture doesn't support atomic instruction")
+#define LONG_LABEL_LEN _("the label length is longer than 1024");
+#define BAD_SKIP_COMMA BAD_ARGS
+#define BAD_GARBAGE _("garbage following instruction");
+
+#define skip_whitespace(str) while (*(str) == ' ') ++(str)
+
+/* The name of the readonly data section. */
+#define RDATA_SECTION_NAME (OUTPUT_FLAVOR == bfd_target_aout_flavour \
+ ? ".data" \
+ : OUTPUT_FLAVOR == bfd_target_ecoff_flavour \
+ ? ".rdata" \
+ : OUTPUT_FLAVOR == bfd_target_coff_flavour \
+ ? ".rdata" \
+ : OUTPUT_FLAVOR == bfd_target_elf_flavour \
+ ? ".rodata" \
+ : (abort (), ""))
+
+#define RELAX_ENCODE(old, new, type, reloc1, reloc2, opt) \
+ ((relax_substateT) \
+ (((old) << 23) \
+ | ((new) << 16) \
+ | ((type) << 9) \
+ | ((reloc1) << 5) \
+ | ((reloc2) << 1) \
+ | ((opt) ? 1 : 0)))
+
+#define RELAX_OLD(i) (((i) >> 23) & 0x7f)
+#define RELAX_NEW(i) (((i) >> 16) & 0x7f)
+#define RELAX_TYPE(i) (((i) >> 9) & 0x7f)
+#define RELAX_RELOC1(i) ((valueT) ((i) >> 5) & 0xf)
+#define RELAX_RELOC2(i) ((valueT) ((i) >> 1) & 0xf)
+#define RELAX_OPT(i) ((i) & 1)
+#define RELAX_OPT_CLEAR(i) ((i) & ~1)
+
+#define SET_INSN_ERROR(s) (inst.error = (s))
+#define INSN_IS_PCE_P(s) (strstr (str, "||") != NULL)
+
+#define GET_INSN_CLASS(type) (get_insn_class_from_type (type))
+
+#define GET_INSN_SIZE(type) ((GET_INSN_CLASS (type) == INSN_CLASS_16) \
+ ? INSN16_SIZE : INSN_SIZE)
+
+/* This array holds the chars that always start a comment. If the
+ pre-processor is disabled, these aren't very useful. */
+const char comment_chars[] = "#";
+const char line_comment_chars[] = "#";
+const char line_separator_chars[] = ";";
+
+/* Chars that can be used to separate mant from exp in floating point numbers. */
+const char EXP_CHARS[] = "eE";
+const char FLT_CHARS[] = "rRsSfFdDxXeEpP";
+
+fragS *score_fragp = 0;
+static int fix_data_dependency = 0;
+static int warn_fix_data_dependency = 1;
+static int score7 = 1;
+static int university_version = 0;
+
+static int in_my_get_expression = 0;
+
+#define USE_GLOBAL_POINTER_OPT 1
+#define SCORE_BI_ENDIAN
+
+/* Default, pop warning message when using r1. */
+static int nor1 = 1;
+
+/* Default will do instruction relax, -O0 will set g_opt = 0. */
+static unsigned int g_opt = 1;
+
+/* The size of the small data section. */
+static unsigned int g_switch_value = 8;
+
+#ifdef OBJ_ELF
+/* Pre-defined "_GLOBAL_OFFSET_TABLE_" */
+symbolS *GOT_symbol;
+#endif
+static segT pdr_seg;
+
+enum score_pic_level score_pic = NO_PIC;
+
+#define INSN_NAME_LEN 16
+struct score_it
+{
+ char name[INSN_NAME_LEN];
+ unsigned long instruction;
+ unsigned long relax_inst;
+ int size;
+ int relax_size;
+ enum score_insn_type type;
+ char str[MAX_LITERAL_POOL_SIZE];
+ const char *error;
+ int bwarn;
+ char reg[INSN_NAME_LEN];
+ struct
+ {
+ bfd_reloc_code_real_type type;
+ expressionS exp;
+ int pc_rel;
+ }reloc;
+};
+struct score_it inst;
+
+typedef struct proc
+{
+ symbolS *isym;
+ unsigned long reg_mask;
+ unsigned long reg_offset;
+ unsigned long fpreg_mask;
+ unsigned long leaf;
+ unsigned long frame_offset;
+ unsigned long frame_reg;
+ unsigned long pc_reg;
+}
+procS;
+
+static procS cur_proc;
+static procS *cur_proc_ptr;
+static int numprocs;
+
+#define SCORE7_PIPELINE 7
+#define SCORE5_PIPELINE 5
+static int vector_size = SCORE7_PIPELINE;
+struct score_it dependency_vector[SCORE7_PIPELINE];
+
+/* Relax will need some padding for alignment. */
+#define RELAX_PAD_BYTE 3
+
+/* Number of littlenums required to hold an extended precision number. For md_atof. */
+#define NUM_FLOAT_VALS 8
+#define MAX_LITTLENUMS 6
+LITTLENUM_TYPE fp_values[NUM_FLOAT_VALS][MAX_LITTLENUMS];
+
+/* Structure for a hash table entry for a register. */
+struct reg_entry
+{
+ const char *name;
+ int number;
+};
+
+static const struct reg_entry score_rn_table[] =
+{
+ {"r0", 0}, {"r1", 1}, {"r2", 2}, {"r3", 3},
+ {"r4", 4}, {"r5", 5}, {"r6", 6}, {"r7", 7},
+ {"r8", 8}, {"r9", 9}, {"r10", 10}, {"r11", 11},
+ {"r12", 12}, {"r13", 13}, {"r14", 14}, {"r15", 15},
+ {"r16", 16}, {"r17", 17}, {"r18", 18}, {"r19", 19},
+ {"r20", 20}, {"r21", 21}, {"r22", 22}, {"r23", 23},
+ {"r24", 24}, {"r25", 25}, {"r26", 26}, {"r27", 27},
+ {"r28", 28}, {"r29", 29}, {"r30", 30}, {"r31", 31},
+ {NULL, 0}
+};
+
+static const struct reg_entry score_srn_table[] =
+{
+ {"sr0", 0}, {"sr1", 1}, {"sr2", 2},
+ {NULL, 0}
+};
+
+static const struct reg_entry score_crn_table[] =
+{
+ {"cr0", 0}, {"cr1", 1}, {"cr2", 2}, {"cr3", 3},
+ {"cr4", 4}, {"cr5", 5}, {"cr6", 6}, {"cr7", 7},
+ {"cr8", 8}, {"cr9", 9}, {"cr10", 10}, {"cr11", 11},
+ {"cr12", 12}, {"cr13", 13}, {"cr14", 14}, {"cr15", 15},
+ {"cr16", 16}, {"cr17", 17}, {"cr18", 18}, {"cr19", 19},
+ {"cr20", 20}, {"cr21", 21}, {"cr22", 22}, {"cr23", 23},
+ {"cr24", 24}, {"cr25", 25}, {"cr26", 26}, {"cr27", 27},
+ {"cr28", 28}, {"cr29", 29}, {"cr30", 30}, {"cr31", 31},
+ {NULL, 0}
+};
+
+struct reg_map
+{
+ const struct reg_entry *names;
+ int max_regno;
+ struct hash_control *htab;
+ const char *expected;
+};
+
+struct reg_map all_reg_maps[] =
+{
+ {score_rn_table, 31, NULL, N_("S+core register expected")},
+ {score_srn_table, 2, NULL, N_("S+core special-register expected")},
+ {score_crn_table, 31, NULL, N_("S+core co-processor register expected")},
+};
+
+static struct hash_control *score_ops_hsh = NULL;
+
+static struct hash_control *dependency_insn_hsh = NULL;
+
+/* Enumeration matching entries in table above. */
+enum score_reg_type
+{
+ REG_TYPE_SCORE = 0,
+#define REG_TYPE_FIRST REG_TYPE_SCORE
+ REG_TYPE_SCORE_SR = 1,
+ REG_TYPE_SCORE_CR = 2,
+ REG_TYPE_MAX = 3
+};
+
+typedef struct literalS
+{
+ struct expressionS exp;
+ struct score_it *inst;
+}
+literalT;
+
+literalT literals[MAX_LITERAL_POOL_SIZE];
+
+static void do_ldst_insn (char *);
+static void do_crdcrscrsimm5 (char *);
+static void do_ldst_unalign (char *);
+static void do_ldst_atomic (char *);
+static void do_ldst_cop (char *);
+static void do_macro_li_rdi32 (char *);
+static void do_macro_la_rdi32 (char *);
+static void do_macro_rdi32hi (char *);
+static void do_macro_rdi32lo (char *);
+static void do_macro_mul_rdrsrs (char *);
+static void do_macro_ldst_label (char *);
+static void do_branch (char *);
+static void do_jump (char *);
+static void do_empty (char *);
+static void do_rdrsrs (char *);
+static void do_rdsi16 (char *);
+static void do_rdrssi14 (char *);
+static void do_sub_rdsi16 (char *);
+static void do_sub_rdi16 (char *);
+static void do_sub_rdrssi14 (char *);
+static void do_rdrsi5 (char *);
+static void do_rdrsi14 (char *);
+static void do_rdi16 (char *);
+static void do_xrsi5 (char *);
+static void do_rdrs (char *);
+static void do_rdxrs (char *);
+static void do_rsrs (char *);
+static void do_rdcrs (char *);
+static void do_rdsrs (char *);
+static void do_rd (char *);
+static void do_rs (char *);
+static void do_i15 (char *);
+static void do_xi5x (char *);
+static void do_ceinst (char *);
+static void do_cache (char *);
+static void do16_rdrs (char *);
+static void do16_rs (char *);
+static void do16_xrs (char *);
+static void do16_mv_rdrs (char *);
+static void do16_hrdrs (char *);
+static void do16_rdhrs (char *);
+static void do16_rdi4 (char *);
+static void do16_rdi5 (char *);
+static void do16_xi5 (char *);
+static void do16_ldst_insn (char *);
+static void do16_ldst_imm_insn (char *);
+static void do16_push_pop (char *);
+static void do16_branch (char *);
+static void do16_jump (char *);
+static void do_rdi16_pic (char *);
+static void do_addi_s_pic (char *);
+static void do_addi_u_pic (char *);
+static void do_lw_pic (char *);
+
+static const struct asm_opcode score_ldst_insns[] =
+{
+ {"lw", 0x20000000, 0x3e000000, 0x2008, Rd_rvalueRs_SI15, do_ldst_insn},
+ {"lw", 0x06000000, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, do_ldst_insn},
+ {"lw", 0x0e000000, 0x3e000007, 0x200a, Rd_rvalueRs_postSI12, do_ldst_insn},
+ {"lh", 0x22000000, 0x3e000000, 0x2009, Rd_rvalueRs_SI15, do_ldst_insn},
+ {"lh", 0x06000001, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, do_ldst_insn},
+ {"lh", 0x0e000001, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, do_ldst_insn},
+ {"lhu", 0x24000000, 0x3e000000, 0x8000, Rd_rvalueRs_SI15, do_ldst_insn},
+ {"lhu", 0x06000002, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, do_ldst_insn},
+ {"lhu", 0x0e000002, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, do_ldst_insn},
+ {"lb", 0x26000000, 0x3e000000, 0x8000, Rd_rvalueRs_SI15, do_ldst_insn},
+ {"lb", 0x06000003, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, do_ldst_insn},
+ {"lb", 0x0e000003, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, do_ldst_insn},
+ {"sw", 0x28000000, 0x3e000000, 0x200c, Rd_lvalueRs_SI15, do_ldst_insn},
+ {"sw", 0x06000004, 0x3e000007, 0x200e, Rd_lvalueRs_preSI12, do_ldst_insn},
+ {"sw", 0x0e000004, 0x3e000007, 0x8000, Rd_lvalueRs_postSI12, do_ldst_insn},
+ {"sh", 0x2a000000, 0x3e000000, 0x200d, Rd_lvalueRs_SI15, do_ldst_insn},
+ {"sh", 0x06000005, 0x3e000007, 0x8000, Rd_lvalueRs_preSI12, do_ldst_insn},
+ {"sh", 0x0e000005, 0x3e000007, 0x8000, Rd_lvalueRs_postSI12, do_ldst_insn},
+ {"lbu", 0x2c000000, 0x3e000000, 0x200b, Rd_rvalueRs_SI15, do_ldst_insn},
+ {"lbu", 0x06000006, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, do_ldst_insn},
+ {"lbu", 0x0e000006, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, do_ldst_insn},
+ {"sb", 0x2e000000, 0x3e000000, 0x200f, Rd_lvalueRs_SI15, do_ldst_insn},
+ {"sb", 0x06000007, 0x3e000007, 0x8000, Rd_lvalueRs_preSI12, do_ldst_insn},
+ {"sb", 0x0e000007, 0x3e000007, 0x8000, Rd_lvalueRs_postSI12, do_ldst_insn},
+};
+
+static const struct asm_opcode score_insns[] =
+{
+ {"abs", 0x3800000a, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"abs.s", 0x3800004b, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"add", 0x00000010, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"add.c", 0x00000011, 0x3e0003ff, 0x2000, Rd_Rs_Rs, do_rdrsrs},
+ {"add.s", 0x38000048, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"addc", 0x00000012, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"addc.c", 0x00000013, 0x3e0003ff, 0x0009, Rd_Rs_Rs, do_rdrsrs},
+ {"addi", 0x02000000, 0x3e0e0001, 0x8000, Rd_SI16, do_rdsi16},
+ {"addi.c", 0x02000001, 0x3e0e0001, 0x8000, Rd_SI16, do_rdsi16},
+ {"addis", 0x0a000000, 0x3e0e0001, 0x8000, Rd_SI16, do_rdi16},
+ {"addis.c", 0x0a000001, 0x3e0e0001, 0x8000, Rd_SI16, do_rdi16},
+ {"addri", 0x10000000, 0x3e000001, 0x8000, Rd_Rs_SI14, do_rdrssi14},
+ {"addri.c", 0x10000001, 0x3e000001, 0x8000, Rd_Rs_SI14, do_rdrssi14},
+ {"addc!", 0x0009, 0x700f, 0x00000013, Rd_Rs, do16_rdrs},
+ {"add!", 0x2000, 0x700f, 0x00000011, Rd_Rs, do16_rdrs},
+ {"addei!", 0x6000 , 0x7087, 0x02000001, Rd_I4, do16_rdi4},
+ {"subi", 0x02000000, 0x3e0e0001, 0x8000, Rd_SI16, do_sub_rdsi16},
+ {"subi.c", 0x02000001, 0x3e0e0001, 0x8000, Rd_SI16, do_sub_rdsi16},
+ {"subis", 0x0a000000, 0x3e0e0001, 0x8000, Rd_SI16, do_sub_rdi16},
+ {"subis.c", 0x0a000001, 0x3e0e0001, 0x8000, Rd_SI16, do_sub_rdi16},
+ {"subri", 0x10000000, 0x3e000001, 0x8000, Rd_Rs_SI14, do_sub_rdrssi14},
+ {"subri.c", 0x10000001, 0x3e000001, 0x8000, Rd_Rs_SI14, do_sub_rdrssi14},
+ {"and", 0x00000020, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"and.c", 0x00000021, 0x3e0003ff, 0x2004, Rd_Rs_Rs, do_rdrsrs},
+ {"andi", 0x02080000, 0x3e0e0001, 0x8000, Rd_I16, do_rdi16},
+ {"andi.c", 0x02080001, 0x3e0e0001, 0x8000, Rd_I16, do_rdi16},
+ {"andis", 0x0a080000, 0x3e0e0001, 0x8000, Rd_I16, do_rdi16},
+ {"andis.c", 0x0a080001, 0x3e0e0001, 0x8000, Rd_I16, do_rdi16},
+ {"andri", 0x18000000, 0x3e000001, 0x8000, Rd_Rs_I14, do_rdrsi14},
+ {"andri.c", 0x18000001, 0x3e000001, 0x8000, Rd_Rs_I14, do_rdrsi14},
+ {"and!", 0x2004, 0x700f, 0x00000021, Rd_Rs, do16_rdrs},
+ {"bcs", 0x08000000, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bcc", 0x08000400, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bcnz", 0x08003800, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bcsl", 0x08000001, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bccl", 0x08000401, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bcnzl", 0x08003801, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bcs!", 0x4000, 0x7f00, 0x08000000, PC_DISP8div2, do16_branch},
+ {"bcc!", 0x4100, 0x7f00, 0x08000400, PC_DISP8div2, do16_branch},
+ {"bcnz!", 0x4e00, 0x7f00, 0x08003800, PC_DISP8div2, do16_branch},
+ {"beq", 0x08001000, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"beql", 0x08001001, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"beq!", 0x4400, 0x7f00, 0x08001000, PC_DISP8div2, do16_branch},
+ {"bgtu", 0x08000800, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bgt", 0x08001800, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bge", 0x08002000, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bgtul", 0x08000801, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bgtl", 0x08001801, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bgel", 0x08002001, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bgtu!", 0x4200, 0x7f00, 0x08000800, PC_DISP8div2, do16_branch},
+ {"bgt!", 0x4600, 0x7f00, 0x08001800, PC_DISP8div2, do16_branch},
+ {"bge!", 0x4800, 0x7f00, 0x08002000, PC_DISP8div2, do16_branch},
+ {"bitclr.c", 0x00000029, 0x3e0003ff, 0x6004, Rd_Rs_I5, do_rdrsi5},
+ {"bitrev", 0x3800000c, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"bitset.c", 0x0000002b, 0x3e0003ff, 0x6005, Rd_Rs_I5, do_rdrsi5},
+ {"bittst.c", 0x0000002d, 0x3e0003ff, 0x6006, x_Rs_I5, do_xrsi5},
+ {"bittgl.c", 0x0000002f, 0x3e0003ff, 0x6007, Rd_Rs_I5, do_rdrsi5},
+ {"bitclr!", 0x6004, 0x7007, 0x00000029, Rd_I5, do16_rdi5},
+ {"bitset!", 0x6005, 0x7007, 0x0000002b, Rd_I5, do16_rdi5},
+ {"bittst!", 0x6006, 0x7007, 0x0000002d, Rd_I5, do16_rdi5},
+ {"bittgl!", 0x6007, 0x7007, 0x0000002f, Rd_I5, do16_rdi5},
+ {"bleu", 0x08000c00, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"ble", 0x08001c00, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"blt", 0x08002400, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bleul", 0x08000c01, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"blel", 0x08001c01, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bltl", 0x08002401, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bl", 0x08003c01, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bleu!", 0x4300, 0x7f00, 0x08000c00, PC_DISP8div2, do16_branch},
+ {"ble!", 0x4700, 0x7f00, 0x08001c00, PC_DISP8div2, do16_branch},
+ {"blt!", 0x4900, 0x7f00, 0x08002400, PC_DISP8div2, do16_branch},
+ {"bmi", 0x08002800, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bmil", 0x08002801, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bmi!", 0x00004a00, 0x00007f00, 0x08002800, PC_DISP8div2, do16_branch},
+ {"bne", 0x08001400, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bnel", 0x08001401, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bne!", 0x4500, 0x7f00, 0x08001400, PC_DISP8div2, do16_branch},
+ {"bpl", 0x08002c00, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bpll", 0x08002c01, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bpl!", 0x4b00, 0x7f00, 0x08002c00, PC_DISP8div2, do16_branch},
+ {"brcs", 0x00000008, 0x3e007fff, 0x0004, x_Rs_x, do_rs},
+ {"brcc", 0x00000408, 0x3e007fff, 0x0104, x_Rs_x, do_rs},
+ {"brgtu", 0x00000808, 0x3e007fff, 0x0204, x_Rs_x, do_rs},
+ {"brleu", 0x00000c08, 0x3e007fff, 0x0304, x_Rs_x, do_rs},
+ {"breq", 0x00001008, 0x3e007fff, 0x0404, x_Rs_x, do_rs},
+ {"brne", 0x00001408, 0x3e007fff, 0x0504, x_Rs_x, do_rs},
+ {"brgt", 0x00001808, 0x3e007fff, 0x0604, x_Rs_x, do_rs},
+ {"brle", 0x00001c08, 0x3e007fff, 0x0704, x_Rs_x, do_rs},
+ {"brge", 0x00002008, 0x3e007fff, 0x0804, x_Rs_x, do_rs},
+ {"brlt", 0x00002408, 0x3e007fff, 0x0904, x_Rs_x, do_rs},
+ {"brmi", 0x00002808, 0x3e007fff, 0x0a04, x_Rs_x, do_rs},
+ {"brpl", 0x00002c08, 0x3e007fff, 0x0b04, x_Rs_x, do_rs},
+ {"brvs", 0x00003008, 0x3e007fff, 0x0c04, x_Rs_x, do_rs},
+ {"brvc", 0x00003408, 0x3e007fff, 0x0d04, x_Rs_x, do_rs},
+ {"brcnz", 0x00003808, 0x3e007fff, 0x0e04, x_Rs_x, do_rs},
+ {"br", 0x00003c08, 0x3e007fff, 0x0f04, x_Rs_x, do_rs},
+ {"brcsl", 0x00000009, 0x3e007fff, 0x000c, x_Rs_x, do_rs},
+ {"brccl", 0x00000409, 0x3e007fff, 0x010c, x_Rs_x, do_rs},
+ {"brgtul", 0x00000809, 0x3e007fff, 0x020c, x_Rs_x, do_rs},
+ {"brleul", 0x00000c09, 0x3e007fff, 0x030c, x_Rs_x, do_rs},
+ {"breql", 0x00001009, 0x3e007fff, 0x040c, x_Rs_x, do_rs},
+ {"brnel", 0x00001409, 0x3e007fff, 0x050c, x_Rs_x, do_rs},
+ {"brgtl", 0x00001809, 0x3e007fff, 0x060c, x_Rs_x, do_rs},
+ {"brlel", 0x00001c09, 0x3e007fff, 0x070c, x_Rs_x, do_rs},
+ {"brgel", 0x00002009, 0x3e007fff, 0x080c, x_Rs_x, do_rs},
+ {"brltl", 0x00002409, 0x3e007fff, 0x090c, x_Rs_x, do_rs},
+ {"brmil", 0x00002809, 0x3e007fff, 0x0a0c, x_Rs_x, do_rs},
+ {"brpll", 0x00002c09, 0x3e007fff, 0x0b0c, x_Rs_x, do_rs},
+ {"brvsl", 0x00003009, 0x3e007fff, 0x0c0c, x_Rs_x, do_rs},
+ {"brvcl", 0x00003409, 0x3e007fff, 0x0d0c, x_Rs_x, do_rs},
+ {"brcnzl", 0x00003809, 0x3e007fff, 0x0e0c, x_Rs_x, do_rs},
+ {"brl", 0x00003c09, 0x3e007fff, 0x0f0c, x_Rs_x, do_rs},
+ {"brcs!", 0x0004, 0x7f0f, 0x00000008, x_Rs, do16_xrs},
+ {"brcc!", 0x0104, 0x7f0f, 0x00000408, x_Rs, do16_xrs},
+ {"brgtu!", 0x0204, 0x7f0f, 0x00000808, x_Rs, do16_xrs},
+ {"brleu!", 0x0304, 0x7f0f, 0x00000c08, x_Rs, do16_xrs},
+ {"breq!", 0x0404, 0x7f0f, 0x00001008, x_Rs, do16_xrs},
+ {"brne!", 0x0504, 0x7f0f, 0x00001408, x_Rs, do16_xrs},
+ {"brgt!", 0x0604, 0x7f0f, 0x00001808, x_Rs, do16_xrs},
+ {"brle!", 0x0704, 0x7f0f, 0x00001c08, x_Rs, do16_xrs},
+ {"brge!", 0x0804, 0x7f0f, 0x00002008, x_Rs, do16_xrs},
+ {"brlt!", 0x0904, 0x7f0f, 0x00002408, x_Rs, do16_xrs},
+ {"brmi!", 0x0a04, 0x7f0f, 0x00002808, x_Rs, do16_xrs},
+ {"brpl!", 0x0b04, 0x7f0f, 0x00002c08, x_Rs, do16_xrs},
+ {"brvs!", 0x0c04, 0x7f0f, 0x00003008, x_Rs, do16_xrs},
+ {"brvc!", 0x0d04, 0x7f0f, 0x00003408, x_Rs, do16_xrs},
+ {"brcnz!", 0x0e04, 0x7f0f, 0x00003808, x_Rs, do16_xrs},
+ {"br!", 0x0f04, 0x7f0f, 0x00003c08, x_Rs, do16_xrs},
+ {"brcsl!", 0x000c, 0x7f0f, 0x00000009, x_Rs, do16_xrs},
+ {"brccl!", 0x010c, 0x7f0f, 0x00000409, x_Rs, do16_xrs},
+ {"brgtul!", 0x020c, 0x7f0f, 0x00000809, x_Rs, do16_xrs},
+ {"brleul!", 0x030c, 0x7f0f, 0x00000c09, x_Rs, do16_xrs},
+ {"breql!", 0x040c, 0x7f0f, 0x00001009, x_Rs, do16_xrs},
+ {"brnel!", 0x050c, 0x7f0f, 0x00001409, x_Rs, do16_xrs},
+ {"brgtl!", 0x060c, 0x7f0f, 0x00001809, x_Rs, do16_xrs},
+ {"brlel!", 0x070c, 0x7f0f, 0x00001c09, x_Rs, do16_xrs},
+ {"brgel!", 0x080c, 0x7f0f, 0x00002009, x_Rs, do16_xrs},
+ {"brltl!", 0x090c, 0x7f0f, 0x00002409, x_Rs, do16_xrs},
+ {"brmil!", 0x0a0c, 0x7f0f, 0x00002809, x_Rs, do16_xrs},
+ {"brpll!", 0x0b0c, 0x7f0f, 0x00002c09, x_Rs, do16_xrs},
+ {"brvsl!", 0x0c0c, 0x7f0f, 0x00003009, x_Rs, do16_xrs},
+ {"brvcl!", 0x0d0c, 0x7f0f, 0x00003409, x_Rs, do16_xrs},
+ {"brcnzl!", 0x0e0c, 0x7f0f, 0x00003809, x_Rs, do16_xrs},
+ {"brl!", 0x0f0c, 0x7f0f, 0x00003c09, x_Rs, do16_xrs},
+ {"bvs", 0x08003000, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bvc", 0x08003400, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bvsl", 0x08003001, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bvcl", 0x08003401, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch},
+ {"bvs!", 0x4c00, 0x7f00, 0x08003000, PC_DISP8div2, do16_branch},
+ {"bvc!", 0x4d00, 0x7f00, 0x08003400, PC_DISP8div2, do16_branch},
+ {"b!", 0x4f00, 0x7f00, 0x08003c00, PC_DISP8div2, do16_branch},
+ {"b", 0x08003c00, 0x3e007c01, 0x08003c00, PC_DISP19div2, do_branch},
+ {"cache", 0x30000000, 0x3ff00000, 0x8000, OP5_rvalueRs_SI15, do_cache},
+ {"ceinst", 0x38000000, 0x3e000000, 0x8000, I5_Rs_Rs_I5_OP5, do_ceinst},
+ {"clz", 0x3800000d, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"cmpteq.c", 0x00000019, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"cmptmi.c", 0x00100019, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"cmp.c", 0x00300019, 0x3ff003ff, 0x2003, x_Rs_Rs, do_rsrs},
+ {"cmpzteq.c", 0x0000001b, 0x3ff07fff, 0x8000, x_Rs_x, do_rs},
+ {"cmpztmi.c", 0x0010001b, 0x3ff07fff, 0x8000, x_Rs_x, do_rs},
+ {"cmpz.c", 0x0030001b, 0x3ff07fff, 0x8000, x_Rs_x, do_rs},
+ {"cmpi.c", 0x02040001, 0x3e0e0001, 0x8000, Rd_SI16, do_rdsi16},
+ {"cmp!", 0x2003, 0x700f, 0x00300019, Rd_Rs, do16_rdrs},
+ {"cop1", 0x0c00000c, 0x3e00001f, 0x8000, Rd_Rs_Rs_imm, do_crdcrscrsimm5},
+ {"cop2", 0x0c000014, 0x3e00001f, 0x8000, Rd_Rs_Rs_imm, do_crdcrscrsimm5},
+ {"cop3", 0x0c00001c, 0x3e00001f, 0x8000, Rd_Rs_Rs_imm, do_crdcrscrsimm5},
+ {"drte", 0x0c0000a4, 0x3e0003ff, 0x8000, NO_OPD, do_empty},
+ {"extsb", 0x00000058, 0x3e0003ff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"extsb.c", 0x00000059, 0x3e0003ff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"extsh", 0x0000005a, 0x3e0003ff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"extsh.c", 0x0000005b, 0x3e0003ff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"extzb", 0x0000005c, 0x3e0003ff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"extzb.c", 0x0000005d, 0x3e0003ff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"extzh", 0x0000005e, 0x3e0003ff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"extzh.c", 0x0000005f, 0x3e0003ff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"jl", 0x04000001, 0x3e000001, 0x8000, PC_DISP24div2, do_jump},
+ {"jl!", 0x3001, 0x7001, 0x04000001, PC_DISP11div2, do16_jump},
+ {"j!", 0x3000, 0x7001, 0x04000000, PC_DISP11div2, do16_jump},
+ {"j", 0x04000000, 0x3e000001, 0x8000, PC_DISP24div2, do_jump},
+ {"lbu!", 0x200b, 0x0000700f, 0x2c000000, Rd_rvalueRs, do16_ldst_insn},
+ {"lbup!", 0x7003, 0x7007, 0x2c000000, Rd_rvalueBP_I5, do16_ldst_imm_insn},
+ {"alw", 0x0000000c, 0x3e0003ff, 0x8000, Rd_rvalue32Rs, do_ldst_atomic},
+ {"lcb", 0x00000060, 0x3e0003ff, 0x8000, x_rvalueRs_post4, do_ldst_unalign},
+ {"lcw", 0x00000062, 0x3e0003ff, 0x8000, Rd_rvalueRs_post4, do_ldst_unalign},
+ {"lce", 0x00000066, 0x3e0003ff, 0x8000, Rd_rvalueRs_post4, do_ldst_unalign},
+ {"ldc1", 0x0c00000a, 0x3e00001f, 0x8000, Rd_rvalueRs_SI10, do_ldst_cop},
+ {"ldc2", 0x0c000012, 0x3e00001f, 0x8000, Rd_rvalueRs_SI10, do_ldst_cop},
+ {"ldc3", 0x0c00001a, 0x3e00001f, 0x8000, Rd_rvalueRs_SI10, do_ldst_cop},
+ {"lh!", 0x2009, 0x700f, 0x22000000, Rd_rvalueRs, do16_ldst_insn},
+ {"lhp!", 0x7001, 0x7007, 0x22000000, Rd_rvalueBP_I5, do16_ldst_imm_insn},
+ {"ldi", 0x020c0000, 0x3e0e0000, 0x5000, Rd_SI16, do_rdsi16},
+ {"ldis", 0x0a0c0000, 0x3e0e0000, 0x5000, Rd_I16, do_rdi16},
+ {"ldiu!", 0x5000, 0x7000, 0x020c0000, Rd_I8, do16_ldst_imm_insn},
+ {"lw!", 0x2008, 0x700f, 0x20000000, Rd_rvalueRs, do16_ldst_insn},
+ {"lwp!", 0x7000, 0x7007, 0x20000000, Rd_rvalueBP_I5, do16_ldst_imm_insn},
+ {"mfcel", 0x00000448, 0x3e007fff, 0x8000, Rd_x_x, do_rd},
+ {"mfcel!", 0x1001, 0x7f0f, 0x00000448, x_Rs, do16_rs},
+ {"mad", 0x38000000, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"mad.f!", 0x1004, 0x700f, 0x38000080, Rd_Rs, do16_rdrs},
+ {"madh", 0x38000203, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"madh.fs", 0x380002c3, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"madh.fs!", 0x100b, 0x700f, 0x380002c3, Rd_Rs, do16_rdrs},
+ {"madl", 0x38000002, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"madl.fs", 0x380000c2, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"madl.fs!", 0x100a, 0x700f, 0x380000c2, Rd_Rs, do16_rdrs},
+ {"madu", 0x38000020, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"madu!", 0x1005, 0x700f, 0x38000020, Rd_Rs, do16_rdrs},
+ {"mad.f", 0x38000080, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"max", 0x38000007, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"mazh", 0x38000303, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"mazh.f", 0x38000383, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"mazh.f!", 0x1009, 0x700f, 0x3800038c, Rd_Rs, do16_rdrs},
+ {"mazl", 0x38000102, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"mazl.f", 0x38000182, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"mazl.f!", 0x1008, 0x700f, 0x38000182, Rd_Rs, do16_rdrs},
+ {"mfceh", 0x00000848, 0x3e007fff, 0x8000, Rd_x_x, do_rd},
+ {"mfceh!", 0x1101, 0x7f0f, 0x00000848, x_Rs, do16_rs},
+ {"mfcehl", 0x00000c48, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"mfsr", 0x00000050, 0x3e0003ff, 0x8000, Rd_x_I5, do_rdsrs},
+ {"mfcr", 0x0c000001, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs},
+ {"mfc1", 0x0c000009, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs},
+ {"mfc2", 0x0c000011, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs},
+ {"mfc3", 0x0c000019, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs},
+ {"mfcc1", 0x0c00000f, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs},
+ {"mfcc2", 0x0c000017, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs},
+ {"mfcc3", 0x0c00001f, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs},
+ {"mhfl!", 0x0002, 0x700f, 0x00003c56, Rd_LowRs, do16_hrdrs},
+ {"min", 0x38000006, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"mlfh!", 0x0001, 0x700f, 0x00003c56, Rd_HighRs, do16_rdhrs},
+ {"msb", 0x38000001, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"msb.f!", 0x1006, 0x700f, 0x38000081, Rd_Rs, do16_rdrs},
+ {"msbh", 0x38000205, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"msbh.fs", 0x380002c5, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"msbh.fs!", 0x100f, 0x700f, 0x380002c5, Rd_Rs, do16_rdrs},
+ {"msbl", 0x38000004, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"msbl.fs", 0x380000c4, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"msbl.fs!", 0x100e, 0x700f, 0x380000c4, Rd_Rs, do16_rdrs},
+ {"msbu", 0x38000021, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"msbu!", 0x1007, 0x700f, 0x38000021, Rd_Rs, do16_rdrs},
+ {"msb.f", 0x38000081, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"mszh", 0x38000305, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"mszh.f", 0x38000385, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"mszh.f!", 0x100d, 0x700f, 0x38000385, Rd_Rs, do16_rdrs},
+ {"mszl", 0x38000104, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"mszl.f", 0x38000184, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs},
+ {"mszl.f!", 0x100c, 0x700f, 0x38000184, Rd_Rs, do16_rdrs},
+ {"mtcel!", 0x1000, 0x7f0f, 0x0000044a, x_Rs, do16_rs},
+ {"mtcel", 0x0000044a, 0x3e007fff, 0x8000, Rd_x_x, do_rd},
+ {"mtceh", 0x0000084a, 0x3e007fff, 0x8000, Rd_x_x, do_rd},
+ {"mtceh!", 0x1100, 0x7f0f, 0x0000084a, x_Rs, do16_rs},
+ {"mtcehl", 0x00000c4a, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"mtsr", 0x00000052, 0x3e0003ff, 0x8000, x_Rs_I5, do_rdsrs},
+ {"mtcr", 0x0c000000, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs},
+ {"mtc1", 0x0c000008, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs},
+ {"mtc2", 0x0c000010, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs},
+ {"mtc3", 0x0c000018, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs},
+ {"mtcc1", 0x0c00000e, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs},
+ {"mtcc2", 0x0c000016, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs},
+ {"mtcc3", 0x0c00001e, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs},
+ {"mul.f!", 0x1002, 0x700f, 0x00000041, Rd_Rs, do16_rdrs},
+ {"mulu!", 0x1003, 0x700f, 0x00000042, Rd_Rs, do16_rdrs},
+ {"mvcs", 0x00000056, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"mvcc", 0x00000456, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"mvgtu", 0x00000856, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"mvleu", 0x00000c56, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"mveq", 0x00001056, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"mvne", 0x00001456, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"mvgt", 0x00001856, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"mvle", 0x00001c56, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"mvge", 0x00002056, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"mvlt", 0x00002456, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"mvmi", 0x00002856, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"mvpl", 0x00002c56, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"mvvs", 0x00003056, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"mvvc", 0x00003456, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"mv", 0x00003c56, 0x3e007fff, 0x0003, Rd_Rs_x, do_rdrs},
+ {"mv!", 0x0003, 0x700f, 0x00003c56, Rd_Rs, do16_mv_rdrs},
+ {"neg", 0x0000001e, 0x3e0003ff, 0x8000, Rd_x_Rs, do_rdxrs},
+ {"neg.c", 0x0000001f, 0x3e0003ff, 0x2002, Rd_x_Rs, do_rdxrs},
+ {"neg!", 0x2002, 0x700f, 0x0000001f, Rd_Rs, do16_rdrs},
+ {"nop", 0x00000000, 0x3e0003ff, 0x0000, NO_OPD, do_empty},
+ {"not", 0x00000024, 0x3e0003ff, 0x8000, Rd_Rs_x, do_rdrs},
+ {"not.c", 0x00000025, 0x3e0003ff, 0x2006, Rd_Rs_x, do_rdrs},
+ {"nop!", 0x0000, 0x700f, 0x00000000, NO16_OPD, do_empty},
+ {"not!", 0x2006, 0x700f, 0x00000025, Rd_Rs, do16_rdrs},
+ {"or", 0x00000022, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"or.c", 0x00000023, 0x3e0003ff, 0x2005, Rd_Rs_Rs, do_rdrsrs},
+ {"ori", 0x020a0000, 0x3e0e0001, 0x8000, Rd_I16, do_rdi16},
+ {"ori.c", 0x020a0001, 0x3e0e0001, 0x8000, Rd_I16, do_rdi16},
+ {"oris", 0x0a0a0000, 0x3e0e0001, 0x8000, Rd_I16, do_rdi16},
+ {"oris.c", 0x0a0a0001, 0x3e0e0001, 0x8000, Rd_I16, do_rdi16},
+ {"orri", 0x1a000000, 0x3e000001, 0x8000, Rd_Rs_I14, do_rdrsi14},
+ {"orri.c", 0x1a000001, 0x3e000001, 0x8000, Rd_Rs_I14, do_rdrsi14},
+ {"or!", 0x2005, 0x700f, 0x00000023, Rd_Rs, do16_rdrs},
+ {"pflush", 0x0000000a, 0x3e0003ff, 0x8000, NO_OPD, do_empty},
+ {"pop!", 0x200a, 0x700f, 0x0e000000, Rd_rvalueRs, do16_push_pop},
+ {"push!", 0x200e, 0x700f, 0x06000004, Rd_lvalueRs, do16_push_pop},
+ {"ror", 0x00000038, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"ror.c", 0x00000039, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"rorc.c", 0x0000003b, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"rol", 0x0000003c, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"rol.c", 0x0000003d, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"rolc.c", 0x0000003f, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"rori", 0x00000078, 0x3e0003ff, 0x8000, Rd_Rs_I5, do_rdrsi5},
+ {"rori.c", 0x00000079, 0x3e0003ff, 0x8000, Rd_Rs_I5, do_rdrsi5},
+ {"roric.c", 0x0000007b, 0x3e0003ff, 0x8000, Rd_Rs_I5, do_rdrsi5},
+ {"roli", 0x0000007c, 0x3e0003ff, 0x8000, Rd_Rs_I5, do_rdrsi5},
+ {"roli.c", 0x0000007d, 0x3e0003ff, 0x8000, Rd_Rs_I5, do_rdrsi5},
+ {"rolic.c", 0x0000007f, 0x3e0003ff, 0x8000, Rd_Rs_I5, do_rdrsi5},
+ {"rte", 0x0c000084, 0x3e0003ff, 0x8000, NO_OPD, do_empty},
+ {"sb!", 0x200f, 0x700f, 0x2e000000, Rd_lvalueRs, do16_ldst_insn},
+ {"sbp!", 0x7007, 0x7007, 0x2e000000, Rd_lvalueBP_I5, do16_ldst_imm_insn},
+ {"asw", 0x0000000e, 0x3e0003ff, 0x8000, Rd_lvalue32Rs, do_ldst_atomic},
+ {"scb", 0x00000068, 0x3e0003ff, 0x8000, Rd_lvalueRs_post4, do_ldst_unalign},
+ {"scw", 0x0000006a, 0x3e0003ff, 0x8000, Rd_lvalueRs_post4, do_ldst_unalign},
+ {"sce", 0x0000006e, 0x3e0003ff, 0x8000, x_lvalueRs_post4, do_ldst_unalign},
+ {"sdbbp", 0x00000006, 0x3e0003ff, 0x6002, x_I5_x, do_xi5x},
+ {"sdbbp!", 0x6002, 0x7007, 0x00000006, Rd_I5, do16_xi5},
+ {"sh!", 0x200d, 0x700f, 0x2a000000, Rd_lvalueRs, do16_ldst_insn},
+ {"shp!", 0x7005, 0x7007, 0x2a000000, Rd_lvalueBP_I5, do16_ldst_imm_insn},
+ {"sleep", 0x0c0000c4, 0x3e0003ff, 0x8000, NO_OPD, do_empty},
+ {"sll", 0x00000030, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"sll.c", 0x00000031, 0x3e0003ff, 0x0008, Rd_Rs_Rs, do_rdrsrs},
+ {"sll.s", 0x3800004e, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"slli", 0x00000070, 0x3e0003ff, 0x8000, Rd_Rs_I5, do_rdrsi5},
+ {"slli.c", 0x00000071, 0x3e0003ff, 0x6001, Rd_Rs_I5, do_rdrsi5},
+ {"sll!", 0x0008, 0x700f, 0x00000031, Rd_Rs, do16_rdrs},
+ {"slli!", 0x6001, 0x7007, 0x00000071, Rd_I5, do16_rdi5},
+ {"srl", 0x00000034, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"srl.c", 0x00000035, 0x3e0003ff, 0x000a, Rd_Rs_Rs, do_rdrsrs},
+ {"sra", 0x00000036, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"sra.c", 0x00000037, 0x3e0003ff, 0x000b, Rd_Rs_Rs, do_rdrsrs},
+ {"srli", 0x00000074, 0x3e0003ff, 0x8000, Rd_Rs_I5, do_rdrsi5},
+ {"srli.c", 0x00000075, 0x3e0003ff, 0x6003, Rd_Rs_I5, do_rdrsi5},
+ {"srai", 0x00000076, 0x3e0003ff, 0x8000, Rd_Rs_I5, do_rdrsi5},
+ {"srai.c", 0x00000077, 0x3e0003ff, 0x8000, Rd_Rs_I5, do_rdrsi5},
+ {"srl!", 0x000a, 0x700f, 0x00000035, Rd_Rs, do16_rdrs},
+ {"sra!", 0x000b, 0x700f, 0x00000037, Rd_Rs, do16_rdrs},
+ {"srli!", 0x6003, 0x7007, 0x00000075, Rd_Rs, do16_rdi5},
+ {"stc1", 0x0c00000b, 0x3e00001f, 0x8000, Rd_lvalueRs_SI10, do_ldst_cop},
+ {"stc2", 0x0c000013, 0x3e00001f, 0x8000, Rd_lvalueRs_SI10, do_ldst_cop},
+ {"stc3", 0x0c00001b, 0x3e00001f, 0x8000, Rd_lvalueRs_SI10, do_ldst_cop},
+ {"sub", 0x00000014, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"sub.c", 0x00000015, 0x3e0003ff, 0x2001, Rd_Rs_Rs, do_rdrsrs},
+ {"sub.s", 0x38000049, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"subc", 0x00000016, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"subc.c", 0x00000017, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"sub!", 0x2001, 0x700f, 0x00000015, Rd_Rs, do16_rdrs},
+ {"subei!", 0x6080, 0x7087, 0x02000001, Rd_I4, do16_rdi4},
+ {"sw!", 0x200c, 0x700f, 0x28000000, Rd_lvalueRs, do16_ldst_insn},
+ {"swp!", 0x7004, 0x7007, 0x28000000, Rd_lvalueBP_I5, do16_ldst_imm_insn},
+ {"syscall", 0x00000002, 0x3e0003ff, 0x8000, I15, do_i15},
+ {"tcs", 0x00000054, 0x3e007fff, 0x0005, NO_OPD, do_empty},
+ {"tcc", 0x00000454, 0x3e007fff, 0x0105, NO_OPD, do_empty},
+ {"tcnz", 0x00003854, 0x3e007fff, 0x0e05, NO_OPD, do_empty},
+ {"tcs!", 0x0005, 0x7f0f, 0x00000054, NO16_OPD, do_empty},
+ {"tcc!", 0x0105, 0x7f0f, 0x00000454, NO16_OPD, do_empty},
+ {"tcnz!", 0x0e05, 0x7f0f, 0x00003854, NO16_OPD, do_empty},
+ {"teq", 0x00001054, 0x3e007fff, 0x0405, NO_OPD, do_empty},
+ {"teq!", 0x0405, 0x7f0f, 0x00001054, NO16_OPD, do_empty},
+ {"tgtu", 0x00000854, 0x3e007fff, 0x0205, NO_OPD, do_empty},
+ {"tgt", 0x00001854, 0x3e007fff, 0x0605, NO_OPD, do_empty},
+ {"tge", 0x00002054, 0x3e007fff, 0x0805, NO_OPD, do_empty},
+ {"tgtu!", 0x0205, 0x7f0f, 0x00000854, NO16_OPD, do_empty},
+ {"tgt!", 0x0605, 0x7f0f, 0x00001854, NO16_OPD, do_empty},
+ {"tge!", 0x0805, 0x7f0f, 0x00002054, NO16_OPD, do_empty},
+ {"tleu", 0x00000c54, 0x3e007fff, 0x0305, NO_OPD, do_empty},
+ {"tle", 0x00001c54, 0x3e007fff, 0x0705, NO_OPD, do_empty},
+ {"tlt", 0x00002454, 0x3e007fff, 0x0905, NO_OPD, do_empty},
+ {"stlb", 0x0c000004, 0x3e0003ff, 0x8000, NO_OPD, do_empty},
+ {"mftlb", 0x0c000024, 0x3e0003ff, 0x8000, NO_OPD, do_empty},
+ {"mtptlb", 0x0c000044, 0x3e0003ff, 0x8000, NO_OPD, do_empty},
+ {"mtrtlb", 0x0c000064, 0x3e0003ff, 0x8000, NO_OPD, do_empty},
+ {"tleu!", 0x0305, 0x7f0f, 0x00000c54, NO16_OPD, do_empty},
+ {"tle!", 0x0705, 0x7f0f, 0x00001c54, NO16_OPD, do_empty},
+ {"tlt!", 0x0905, 0x7f0f, 0x00002454, NO16_OPD, do_empty},
+ {"tmi", 0x00002854, 0x3e007fff, 0x0a05, NO_OPD, do_empty},
+ {"tmi!", 0x0a05, 0x7f0f, 0x00002854, NO16_OPD, do_empty},
+ {"tne", 0x00001454, 0x3e007fff, 0x0505, NO_OPD, do_empty},
+ {"tne!", 0x0505, 0x7f0f, 0x00001454, NO16_OPD, do_empty},
+ {"tpl", 0x00002c54, 0x3e007fff, 0x0b05, NO_OPD, do_empty},
+ {"tpl!", 0x0b05, 0x7f0f, 0x00002c54, NO16_OPD, do_empty},
+ {"trapcs", 0x00000004, 0x3e007fff, 0x8000, x_I5_x, do_xi5x},
+ {"trapcc", 0x00000404, 0x3e007fff, 0x8000, x_I5_x, do_xi5x},
+ {"trapgtu", 0x00000804, 0x3e007fff, 0x8000, x_I5_x, do_xi5x},
+ {"trapleu", 0x00000c04, 0x3e007fff, 0x8000, x_I5_x, do_xi5x},
+ {"trapeq", 0x00001004, 0x3e007fff, 0x8000, x_I5_x, do_xi5x},
+ {"trapne", 0x00001404, 0x3e007fff, 0x8000, x_I5_x, do_xi5x},
+ {"trapgt", 0x00001804, 0x3e007fff, 0x8000, x_I5_x, do_xi5x},
+ {"traple", 0x00001c04, 0x3e007fff, 0x8000, x_I5_x, do_xi5x},
+ {"trapge", 0x00002004, 0x3e007fff, 0x8000, x_I5_x, do_xi5x},
+ {"traplt", 0x00002404, 0x3e007fff, 0x8000, x_I5_x, do_xi5x},
+ {"trapmi", 0x00002804, 0x3e007fff, 0x8000, x_I5_x, do_xi5x},
+ {"trappl", 0x00002c04, 0x3e007fff, 0x8000, x_I5_x, do_xi5x},
+ {"trapvs", 0x00003004, 0x3e007fff, 0x8000, x_I5_x, do_xi5x},
+ {"trapvc", 0x00003404, 0x3e007fff, 0x8000, x_I5_x, do_xi5x},
+ {"trap", 0x00003c04, 0x3e007fff, 0x8000, x_I5_x, do_xi5x},
+ {"tset", 0x00003c54, 0x3e007fff, 0x0f05, NO_OPD, do_empty},
+ {"tset!", 0x0f05, 0x00007f0f, 0x00003c54, NO16_OPD, do_empty},
+ {"tvs", 0x00003054, 0x3e007fff, 0x0c05, NO_OPD, do_empty},
+ {"tvc", 0x00003454, 0x3e007fff, 0x0d05, NO_OPD, do_empty},
+ {"tvs!", 0x0c05, 0x7f0f, 0x00003054, NO16_OPD, do_empty},
+ {"tvc!", 0x0d05, 0x7f0f, 0x00003454, NO16_OPD, do_empty},
+ {"xor", 0x00000026, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs},
+ {"xor.c", 0x00000027, 0x3e0003ff, 0x2007, Rd_Rs_Rs, do_rdrsrs},
+ {"xor!", 0x2007, 0x700f, 0x00000027, Rd_Rs, do16_rdrs},
+ /* Macro instruction. */
+ {"li", 0x020c0000, 0x3e0e0000, 0x8000, Insn_Type_SYN, do_macro_li_rdi32},
+ /* la reg, imm32 -->(1) ldi reg, simm16
+ (2) ldis reg, %HI(imm32)
+ ori reg, %LO(imm32)
+
+ la reg, symbol -->(1) lis reg, %HI(imm32)
+ ori reg, %LO(imm32) */
+ {"la", 0x020c0000, 0x3e0e0000, 0x8000, Insn_Type_SYN, do_macro_la_rdi32},
+ {"div", 0x00000044, 0x3e0003ff, 0x8000, Insn_Type_SYN, do_macro_mul_rdrsrs},
+ {"divu", 0x00000046, 0x3e0003ff, 0x8000, Insn_Type_SYN, do_macro_mul_rdrsrs},
+ {"rem", 0x00000044, 0x3e0003ff, 0x8000, Insn_Type_SYN, do_macro_mul_rdrsrs},
+ {"remu", 0x00000046, 0x3e0003ff, 0x8000, Insn_Type_SYN, do_macro_mul_rdrsrs},
+ {"mul", 0x00000040, 0x3e0003ff, 0x8000, Insn_Type_SYN, do_macro_mul_rdrsrs},
+ {"mulu", 0x00000042, 0x3e0003ff, 0x8000, Insn_Type_SYN, do_macro_mul_rdrsrs},
+ {"maz", 0x00000040, 0x3e0003ff, 0x8000, Insn_Type_SYN, do_macro_mul_rdrsrs},
+ {"mazu", 0x00000042, 0x3e0003ff, 0x8000, Insn_Type_SYN, do_macro_mul_rdrsrs},
+ {"mul.f", 0x00000041, 0x3e0003ff, 0x8000, Insn_Type_SYN, do_macro_mul_rdrsrs},
+ {"maz.f", 0x00000041, 0x3e0003ff, 0x8000, Insn_Type_SYN, do_macro_mul_rdrsrs},
+ {"lb", INSN_LB, 0x00000000, 0x8000, Insn_Type_SYN, do_macro_ldst_label},
+ {"lbu", INSN_LBU, 0x00000000, 0x200b, Insn_Type_SYN, do_macro_ldst_label},
+ {"lh", INSN_LH, 0x00000000, 0x2009, Insn_Type_SYN, do_macro_ldst_label},
+ {"lhu", INSN_LHU, 0x00000000, 0x8000, Insn_Type_SYN, do_macro_ldst_label},
+ {"lw", INSN_LW, 0x00000000, 0x2008, Insn_Type_SYN, do_macro_ldst_label},
+ {"sb", INSN_SB, 0x00000000, 0x200f, Insn_Type_SYN, do_macro_ldst_label},
+ {"sh", INSN_SH, 0x00000000, 0x200d, Insn_Type_SYN, do_macro_ldst_label},
+ {"sw", INSN_SW, 0x00000000, 0x200c, Insn_Type_SYN, do_macro_ldst_label},
+ /* Assembler use internal. */
+ {"ld_i32hi", 0x0a0c0000, 0x3e0e0000, 0x8000, Rd_I16, do_macro_rdi32hi},
+ {"ld_i32lo", 0x020a0000, 0x3e0e0001, 0x8000, Rd_I16, do_macro_rdi32lo},
+ {"ldis_pic", 0x0a0c0000, 0x3e0e0000, 0x5000, Rd_I16, do_rdi16_pic},
+ {"addi_s_pic",0x02000000, 0x3e0e0001, 0x8000, Rd_SI16, do_addi_s_pic},
+ {"addi_u_pic",0x02000000, 0x3e0e0001, 0x8000, Rd_SI16, do_addi_u_pic},
+ {"lw_pic", 0x20000000, 0x3e000000, 0x2008, Rd_rvalueRs_SI15, do_lw_pic},
+};
+
+/* Next free entry in the pool. */
+int next_literal_pool_place = 0;
+
+/* Next literal pool number. */
+int lit_pool_num = 1;
+symbolS *current_poolP = NULL;
+
+static int
+end_of_line (char *str)
+{
+ int retval = SUCCESS;
+
+ skip_whitespace (str);
+ if (*str != '\0')
+ {
+ retval = (int) FAIL;
+
+ if (!inst.error)
+ {
+ inst.error = BAD_GARBAGE}
+ }
+
+ return retval;
+}
+
+static int
+score_reg_parse (char **ccp, struct hash_control *htab)
+{
+ char *start = *ccp;
+ char c;
+ char *p;
+ struct reg_entry *reg;
+
+ p = start;
+ if (!ISALPHA (*p) || !is_name_beginner (*p))
+ return (int) FAIL;
+
+ c = *p++;
+
+ while (ISALPHA (c) || ISDIGIT (c) || c == '_')
+ c = *p++;
+
+ *--p = 0;
+ reg = (struct reg_entry *) hash_find (htab, start);
+ *p = c;
+
+ if (reg)
+ {
+ *ccp = p;
+ return reg->number;
+ }
+ return (int) FAIL;
+}
+
+/* If shift <= 0, only return reg. */
+
+static int
+reg_required_here (char **str, int shift, enum score_reg_type reg_type)
+{
+ static char buff[MAX_LITERAL_POOL_SIZE];
+ int reg = (int) FAIL;
+ char *start = *str;
+
+ if ((reg = score_reg_parse (str, all_reg_maps[reg_type].htab)) != (int) FAIL)
+ {
+ if (reg_type == REG_TYPE_SCORE)
+ {
+ if ((reg == 1) && (nor1 == 1) && (inst.bwarn == 0))
+ {
+ as_warn ("Using temp register(r1)");
+ inst.bwarn = 1;
+ }
+ }
+ if (shift >= 0)
+ {
+ if (reg_type == REG_TYPE_SCORE_CR)
+ strcpy (inst.reg, score_crn_table[reg].name);
+ else if (reg_type == REG_TYPE_SCORE_SR)
+ strcpy (inst.reg, score_srn_table[reg].name);
+ else
+ strcpy (inst.reg, "");
+
+ inst.instruction |= reg << shift;
+ }
+ }
+ else
+ {
+ *str = start;
+ sprintf (buff, _("register expected, not '%.100s'"), start);
+ inst.error = buff;
+ }
+
+ return reg;
+}
+
+static int
+skip_past_comma (char **str)
+{
+ char *p = *str;
+ char c;
+ int comma = 0;
+
+ while ((c = *p) == ' ' || c == ',')
+ {
+ p++;
+ if (c == ',' && comma++)
+ {
+ inst.error = BAD_SKIP_COMMA;
+ return (int) FAIL;
+ }
+ }
+
+ if ((c == '\0') || (comma == 0))
+ {
+ inst.error = BAD_SKIP_COMMA;
+ return (int) FAIL;
+ }
+
+ *str = p;
+ return comma ? SUCCESS : (int) FAIL;
+}
+
+static void
+do_rdrsrs (char *str)
+{
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 20, REG_TYPE_SCORE) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL
+ || reg_required_here (&str, 15, REG_TYPE_SCORE) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL
+ || reg_required_here (&str, 10, REG_TYPE_SCORE) == (int) FAIL
+ || end_of_line (str) == (int) FAIL)
+ {
+ return;
+ }
+ else
+ {
+ if ((((inst.instruction >> 15) & 0x10) == 0)
+ && (((inst.instruction >> 10) & 0x10) == 0)
+ && (((inst.instruction >> 20) & 0x10) == 0)
+ && (inst.relax_inst != 0x8000)
+ && (((inst.instruction >> 20) & 0xf) == ((inst.instruction >> 15) & 0xf)))
+ {
+ inst.relax_inst |= (((inst.instruction >> 10) & 0xf) << 4)
+ | (((inst.instruction >> 15) & 0xf) << 8);
+ inst.relax_size = 2;
+ }
+ else
+ {
+ inst.relax_inst = 0x8000;
+ }
+ }
+}
+
+static int
+walk_no_bignums (symbolS * sp)
+{
+ if (symbol_get_value_expression (sp)->X_op == O_big)
+ return 1;
+
+ if (symbol_get_value_expression (sp)->X_add_symbol)
+ return (walk_no_bignums (symbol_get_value_expression (sp)->X_add_symbol)
+ || (symbol_get_value_expression (sp)->X_op_symbol
+ && walk_no_bignums (symbol_get_value_expression (sp)->X_op_symbol)));
+
+ return 0;
+}
+
+static int
+my_get_expression (expressionS * ep, char **str)
+{
+ char *save_in;
+ segT seg;
+
+ save_in = input_line_pointer;
+ input_line_pointer = *str;
+ in_my_get_expression = 1;
+ seg = expression (ep);
+ in_my_get_expression = 0;
+
+ if (ep->X_op == O_illegal)
+ {
+ *str = input_line_pointer;
+ input_line_pointer = save_in;
+ inst.error = _("illegal expression");
+ return (int) FAIL;
+ }
+ /* Get rid of any bignums now, so that we don't generate an error for which
+ we can't establish a line number later on. Big numbers are never valid
+ in instructions, which is where this routine is always called. */
+ if (ep->X_op == O_big
+ || (ep->X_add_symbol
+ && (walk_no_bignums (ep->X_add_symbol)
+ || (ep->X_op_symbol && walk_no_bignums (ep->X_op_symbol)))))
+ {
+ inst.error = _("invalid constant");
+ *str = input_line_pointer;
+ input_line_pointer = save_in;
+ return (int) FAIL;
+ }
+
+ *str = input_line_pointer;
+ input_line_pointer = save_in;
+ return SUCCESS;
+}
+
+/* Check if an immediate is valid. If so, convert it to the right format. */
+
+static int
+validate_immediate (int val, unsigned int data_type)
+{
+ switch (data_type)
+ {
+ case _VALUE_HI16:
+ {
+ int val_hi = ((val & 0xffff0000) >> 16);
+
+ if (score_df_range[data_type].range[0] <= val_hi
+ && val_hi <= score_df_range[data_type].range[1])
+ return val_hi;
+ }
+ break;
+
+ case _VALUE_LO16:
+ {
+ int val_lo = (val & 0xffff);
+
+ if (score_df_range[data_type].range[0] <= val_lo
+ && val_lo <= score_df_range[data_type].range[1])
+ return val_lo;
+ }
+ break;
+
+ case _VALUE:
+ return val;
+ break;
+
+ default:
+ if (data_type == _SIMM14_NEG || data_type == _SIMM16_NEG || data_type == _IMM16_NEG)
+ val = -val;
+
+ if (score_df_range[data_type].range[0] <= val
+ && val <= score_df_range[data_type].range[1])
+ return val;
+
+ break;
+ }
+
+ return (int) FAIL;
+}
+
+static int
+data_op2 (char **str, int shift, enum score_data_type data_type)
+{
+ int value;
+ char data_exp[MAX_LITERAL_POOL_SIZE];
+ char *dataptr;
+ int cnt = 0;
+ char *pp = NULL;
+
+ skip_whitespace (*str);
+ inst.error = NULL;
+ dataptr = * str;
+
+ while ((*dataptr != '\0') && (*dataptr != '|') && (cnt <= MAX_LITERAL_POOL_SIZE)) /* 0x7c = ='|' */
+ {
+ data_exp[cnt] = *dataptr;
+ dataptr++;
+ cnt++;
+ }
+
+ data_exp[cnt] = '\0';
+ pp = (char *)&data_exp;
+
+ if (*dataptr == '|') /* process PCE */
+ {
+ if (my_get_expression (&inst.reloc.exp, &pp) == (int) FAIL)
+ return (int) FAIL;
+ end_of_line (pp);
+ if (inst.error != 0)
+ return (int) FAIL; /* to ouptut_inst to printf out the error */
+ *str = dataptr;
+ }
+ else /* process 16 bit */
+ {
+ if (my_get_expression (&inst.reloc.exp, str) == (int) FAIL)
+ {
+ return (int) FAIL;
+ }
+
+ dataptr = (char *)data_exp;
+ for (; *dataptr != '\0'; dataptr++)
+ {
+ *dataptr = TOLOWER (*dataptr);
+ if (*dataptr == '!' || *dataptr == ' ')
+ break;
+ }
+ dataptr = (char *)data_exp;
+
+ if ((*dataptr == '0') && (*(dataptr + 1) == 'x')
+ && (data_type != _SIMM16_LA)
+ && (data_type != _VALUE_HI16)
+ && (data_type != _VALUE_LO16)
+ && (data_type != _IMM16)
+ && (data_type != _IMM15)
+ && (data_type != _IMM14)
+ && (data_type != _IMM4)
+ && (data_type != _IMM5)
+ && (data_type != _IMM8)
+ && (data_type != _IMM5_RSHIFT_1)
+ && (data_type != _IMM5_RSHIFT_2)
+ && (data_type != _SIMM14_NEG)
+ && (data_type != _IMM10_RSHIFT_2)
+ && (data_type != _GP_IMM15))
+ {
+ data_type += 24;
+ }
+ }
+
+ if ((inst.reloc.exp.X_add_symbol)
+ && ((data_type == _SIMM16)
+ || (data_type == _SIMM16_NEG)
+ || (data_type == _IMM16_NEG)
+ || (data_type == _SIMM14)
+ || (data_type == _SIMM14_NEG)
+ || (data_type == _IMM5)
+ || (data_type == _IMM14)
+ || (data_type == _IMM20)
+ || (data_type == _IMM16)
+ || (data_type == _IMM15)
+ || (data_type == _IMM4)))
+ {
+ inst.error = BAD_ARGS;
+ return (int) FAIL;
+ }
+
+ if (inst.reloc.exp.X_add_symbol)
+ {
+ switch (data_type)
+ {
+ case _SIMM16_LA:
+ return (int) FAIL;
+ case _VALUE_HI16:
+ inst.reloc.type = BFD_RELOC_HI16_S;
+ inst.reloc.pc_rel = 0;
+ break;
+ case _VALUE_LO16:
+ inst.reloc.type = BFD_RELOC_LO16;
+ inst.reloc.pc_rel = 0;
+ break;
+ case _GP_IMM15:
+ inst.reloc.type = BFD_RELOC_SCORE_GPREL15;
+ inst.reloc.pc_rel = 0;
+ break;
+ case _SIMM16_pic:
+ case _IMM16_LO16_pic:
+ inst.reloc.type = BFD_RELOC_SCORE_GOT_LO16;
+ inst.reloc.pc_rel = 0;
+ break;
+ default:
+ inst.reloc.type = BFD_RELOC_32;
+ inst.reloc.pc_rel = 0;
+ break;
+ }
+ }
+ else
+ {
+ if (data_type == _IMM16_pic)
+ {
+ inst.reloc.type = BFD_RELOC_SCORE_DUMMY_HI16;
+ inst.reloc.pc_rel = 0;
+ }
+
+ if (data_type == _SIMM16_LA && inst.reloc.exp.X_unsigned == 1)
+ {
+ value = validate_immediate (inst.reloc.exp.X_add_number, _SIMM16_LA_POS);
+ if (value == (int) FAIL) /* for advance to check if this is ldis */
+ if ((inst.reloc.exp.X_add_number & 0xffff) == 0)
+ {
+ inst.instruction |= 0x8000000;
+ inst.instruction |= ((inst.reloc.exp.X_add_number >> 16) << 1) & 0x1fffe;
+ return SUCCESS;
+ }
+ }
+ else
+ {
+ value = validate_immediate (inst.reloc.exp.X_add_number, data_type);
+ }
+
+ if (value == (int) FAIL)
+ {
+ char err_msg[100];
+
+ if ((data_type != _SIMM14_NEG) && (data_type != _SIMM16_NEG) && (data_type != _IMM16_NEG))
+ {
+ sprintf (err_msg,
+ "invalid constant: %d bit expression not in range %d..%d",
+ score_df_range[data_type].bits,
+ score_df_range[data_type].range[0], score_df_range[data_type].range[1]);
+ }
+ else
+ {
+ sprintf (err_msg,
+ "invalid constant: %d bit expression not in range %d..%d",
+ score_df_range[data_type].bits,
+ -score_df_range[data_type].range[1], -score_df_range[data_type].range[0]);
+ }
+
+ inst.error = _(err_msg);
+ return (int) FAIL;
+ }
+
+ if ((score_df_range[data_type].range[0] != 0) || (data_type == _IMM5_RANGE_8_31))
+ {
+ value &= (1 << score_df_range[data_type].bits) - 1;
+ }
+
+ inst.instruction |= value << shift;
+ }
+
+ if ((inst.instruction & 0xf0000000) == 0x30000000)
+ {
+ if ((((inst.instruction >> 20) & 0x1F) != 0)
+ && (((inst.instruction >> 20) & 0x1F) != 1)
+ && (((inst.instruction >> 20) & 0x1F) != 2)
+ && (((inst.instruction >> 20) & 0x1F) != 3)
+ && (((inst.instruction >> 20) & 0x1F) != 4)
+ && (((inst.instruction >> 20) & 0x1F) != 8)
+ && (((inst.instruction >> 20) & 0x1F) != 9)
+ && (((inst.instruction >> 20) & 0x1F) != 0xa)
+ && (((inst.instruction >> 20) & 0x1F) != 0xb)
+ && (((inst.instruction >> 20) & 0x1F) != 0xc)
+ && (((inst.instruction >> 20) & 0x1F) != 0xd)
+ && (((inst.instruction >> 20) & 0x1F) != 0xe)
+ && (((inst.instruction >> 20) & 0x1F) != 0x10)
+ && (((inst.instruction >> 20) & 0x1F) != 0x11)
+ && (((inst.instruction >> 20) & 0x1F) != 0x18)
+ && (((inst.instruction >> 20) & 0x1F) != 0x1A)
+ && (((inst.instruction >> 20) & 0x1F) != 0x1B)
+ && (((inst.instruction >> 20) & 0x1F) != 0x1d)
+ && (((inst.instruction >> 20) & 0x1F) != 0x1e)
+ && (((inst.instruction >> 20) & 0x1F) != 0x1f))
+ {
+ char err_msg[100];
+
+ sprintf (err_msg, "invalid constant: bit expression not defined");
+ inst.error = _(err_msg);
+ return (int) FAIL;
+ }
+ }
+
+ return SUCCESS;
+}
+
+/* Handle addi/addi.c/addis.c/cmpi.c/addis.c/ldi. */
+
+static void
+do_rdsi16 (char *str)
+{
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 20, REG_TYPE_SCORE) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL
+ || data_op2 (&str, 1, _SIMM16) == (int) FAIL
+ || end_of_line (str) == (int) FAIL)
+ return;
+
+ /* ldi. */
+ if ((inst.instruction & 0x20c0000) == 0x20c0000)
+ {
+ if ((((inst.instruction >> 20) & 0x10) == 0x10) || ((inst.instruction & 0x1fe00) != 0))
+ {
+ inst.relax_inst = 0x8000;
+ }
+ else
+ {
+ inst.relax_inst |= (inst.instruction >> 1) & 0xff;
+ inst.relax_inst |= (((inst.instruction >> 20) & 0xf) << 8);
+ inst.relax_size = 2;
+ }
+ }
+ else if (((inst.instruction >> 20) & 0x10) == 0x10)
+ {
+ inst.relax_inst = 0x8000;
+ }
+}
+
+/* Handle subi/subi.c. */
+
+static void
+do_sub_rdsi16 (char *str)
+{
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL
+ && skip_past_comma (&str) != (int) FAIL
+ && data_op2 (&str, 1, _SIMM16_NEG) != (int) FAIL)
+ end_of_line (str);
+}
+
+/* Handle subis/subis.c. */
+
+static void
+do_sub_rdi16 (char *str)
+{
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL
+ && skip_past_comma (&str) != (int) FAIL
+ && data_op2 (&str, 1, _IMM16_NEG) != (int) FAIL)
+ end_of_line (str);
+}
+
+/* Handle addri/addri.c. */
+
+static void
+do_rdrssi14 (char *str) /* -(2^13)~((2^13)-1) */
+{
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL
+ && skip_past_comma (&str) != (int) FAIL
+ && reg_required_here (&str, 15, REG_TYPE_SCORE) != (int) FAIL
+ && skip_past_comma (&str) != (int) FAIL)
+ data_op2 (&str, 1, _SIMM14);
+}
+
+/* Handle subri.c/subri. */
+static void
+do_sub_rdrssi14 (char *str) /* -(2^13)~((2^13)-1) */
+{
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL
+ && skip_past_comma (&str) != (int) FAIL
+ && reg_required_here (&str, 15, REG_TYPE_SCORE) != (int) FAIL
+ && skip_past_comma (&str) != (int) FAIL
+ && data_op2 (&str, 1, _SIMM14_NEG) != (int) FAIL)
+ end_of_line (str);
+}
+
+/* Handle bitclr.c/bitset.c/bittgl.c/slli.c/srai.c/srli.c/roli.c/rori.c/rolic.c. */
+static void
+do_rdrsi5 (char *str) /* 0~((2^14)-1) */
+{
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 20, REG_TYPE_SCORE) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL
+ || reg_required_here (&str, 15, REG_TYPE_SCORE) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL
+ || data_op2 (&str, 10, _IMM5) == (int) FAIL
+ || end_of_line (str) == (int) FAIL)
+ return;
+
+ if ((((inst.instruction >> 20) & 0x1f) == ((inst.instruction >> 15) & 0x1f))
+ && (inst.relax_inst != 0x8000) && (((inst.instruction >> 15) & 0x10) == 0))
+ {
+ inst.relax_inst |= (((inst.instruction >> 10) & 0x1f) << 3) | (((inst.instruction >> 15) & 0xf) << 8);
+ inst.relax_size = 2;
+ }
+ else
+ inst.relax_inst = 0x8000;
+}
+
+/* Handle andri/orri/andri.c/orri.c. */
+
+static void
+do_rdrsi14 (char *str) /* 0 ~ ((2^14)-1) */
+{
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL
+ && skip_past_comma (&str) != (int) FAIL
+ && reg_required_here (&str, 15, REG_TYPE_SCORE) != (int) FAIL
+ && skip_past_comma (&str) != (int) FAIL
+ && data_op2 (&str, 1, _IMM14) != (int) FAIL)
+ end_of_line (str);
+}
+
+/* Handle bittst.c. */
+static void
+do_xrsi5 (char *str)
+{
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 15, REG_TYPE_SCORE) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL
+ || data_op2 (&str, 10, _IMM5) == (int) FAIL
+ || end_of_line (str) == (int) FAIL)
+ return;
+
+ if ((inst.relax_inst != 0x8000) && (((inst.instruction >> 15) & 0x10) == 0))
+ {
+ inst.relax_inst |= (((inst.instruction >> 10) & 0x1f) << 3) | (((inst.instruction >> 15) & 0xf) << 8);
+ inst.relax_size = 2;
+ }
+ else
+ inst.relax_inst = 0x8000;
+}
+
+/* Handle andi/ori/andis/oris/ldis. */
+static void
+do_rdi16 (char *str)
+{
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 20, REG_TYPE_SCORE) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL
+ || data_op2 (&str, 1, _IMM16) == (int) FAIL
+ || end_of_line (str) == (int) FAIL)
+ return;
+
+ if (((inst.instruction & 0xa0dfffe) != 0xa0c0000) || ((((inst.instruction >> 20) & 0x1f) & 0x10) == 0x10))
+ inst.relax_inst = 0x8000;
+ else
+ inst.relax_size = 2;
+}
+
+static void
+do_macro_rdi32hi (char *str)
+{
+ skip_whitespace (str);
+
+ /* Do not handle end_of_line(). */
+ if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL
+ && skip_past_comma (&str) != (int) FAIL)
+ data_op2 (&str, 1, _VALUE_HI16);
+}
+
+static void
+do_macro_rdi32lo (char *str)
+{
+ skip_whitespace (str);
+
+ /* Do not handle end_of_line(). */
+ if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL
+ && skip_past_comma (&str) != (int) FAIL)
+ data_op2 (&str, 1, _VALUE_LO16);
+}
+
+/* Handle ldis_pic. */
+
+static void
+do_rdi16_pic (char *str)
+{
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL
+ && skip_past_comma (&str) != (int) FAIL
+ && data_op2 (&str, 1, _IMM16_pic) != (int) FAIL)
+ end_of_line (str);
+}
+
+/* Handle addi_s_pic to generate R_SCORE_GOT_LO16 . */
+
+static void
+do_addi_s_pic (char *str)
+{
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL
+ && skip_past_comma (&str) != (int) FAIL
+ && data_op2 (&str, 1, _SIMM16_pic) != (int) FAIL)
+ end_of_line (str);
+}
+
+/* Handle addi_u_pic to generate R_SCORE_GOT_LO16 . */
+
+static void
+do_addi_u_pic (char *str)
+{
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL
+ && skip_past_comma (&str) != (int) FAIL
+ && data_op2 (&str, 1, _IMM16_LO16_pic) != (int) FAIL)
+ end_of_line (str);
+}
+
+/* Handle mfceh/mfcel/mtceh/mtchl. */
+
+static void
+do_rd (char *str)
+{
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL)
+ end_of_line (str);
+}
+
+static void
+do_rs (char *str)
+{
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 15, REG_TYPE_SCORE) == (int) FAIL
+ || end_of_line (str) == (int) FAIL)
+ return;
+
+ if ((inst.relax_inst != 0x8000) && (((inst.instruction >> 15) & 0x10) == 0))
+ {
+ inst.relax_inst |= (((inst.instruction >> 10) & 0xf) << 8) | (((inst.instruction >> 15) & 0xf) << 4);
+ inst.relax_size = 2;
+ }
+ else
+ inst.relax_inst = 0x8000;
+}
+
+static void
+do_i15 (char *str)
+{
+ skip_whitespace (str);
+
+ if (data_op2 (&str, 10, _IMM15) != (int) FAIL)
+ end_of_line (str);
+}
+
+static void
+do_xi5x (char *str)
+{
+ skip_whitespace (str);
+
+ if (data_op2 (&str, 15, _IMM5) == (int) FAIL || end_of_line (str) == (int) FAIL)
+ return;
+
+ if (inst.relax_inst != 0x8000)
+ {
+ inst.relax_inst |= (((inst.instruction >> 15) & 0x1f) << 3);
+ inst.relax_size = 2;
+ }
+}
+
+static void
+do_rdrs (char *str)
+{
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 20, REG_TYPE_SCORE) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL
+ || reg_required_here (&str, 15, REG_TYPE_SCORE) == (int) FAIL
+ || end_of_line (str) == (int) FAIL)
+ return;
+
+ if (inst.relax_inst != 0x8000)
+ {
+ if (((inst.instruction & 0x7f) == 0x56)) /* adjust mv -> mv! / mlfh! / mhfl! */
+ {
+ /* mlfh */
+ if ((((inst.instruction >> 15) & 0x10) != 0x0) && (((inst.instruction >> 20) & 0x10) == 0))
+ {
+ inst.relax_inst = 0x00000001 | (((inst.instruction >> 15) & 0xf) << 4)
+ | (((inst.instruction >> 20) & 0xf) << 8);
+ inst.relax_size = 2;
+ }
+ /* mhfl */
+ else if ((((inst.instruction >> 15) & 0x10) == 0x0) && ((inst.instruction >> 20) & 0x10) != 0)
+ {
+ inst.relax_inst = 0x00000002 | (((inst.instruction >> 15) & 0xf) << 4)
+ | (((inst.instruction >> 20) & 0xf) << 8);
+ inst.relax_size = 2;
+ }
+ else if ((((inst.instruction >> 15) & 0x10) == 0x0) && (((inst.instruction >> 20) & 0x10) == 0))
+ {
+ inst.relax_inst |= (((inst.instruction >> 15) & 0xf) << 4)
+ | (((inst.instruction >> 20) & 0xf) << 8);
+ inst.relax_size = 2;
+ }
+ else
+ {
+ inst.relax_inst = 0x8000;
+ }
+ }
+ else if ((((inst.instruction >> 15) & 0x10) == 0x0) && (((inst.instruction >> 20) & 0x10) == 0))
+ {
+ inst.relax_inst |= (((inst.instruction >> 15) & 0xf) << 4)
+ | (((inst.instruction >> 20) & 0xf) << 8);
+ inst.relax_size = 2;
+ }
+ else
+ {
+ inst.relax_inst = 0x8000;
+ }
+ }
+}
+
+/* Handle mfcr/mtcr. */
+static void
+do_rdcrs (char *str)
+{
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL
+ && skip_past_comma (&str) != (int) FAIL
+ && reg_required_here (&str, 15, REG_TYPE_SCORE_CR) != (int) FAIL)
+ end_of_line (str);
+}
+
+/* Handle mfsr/mtsr. */
+
+static void
+do_rdsrs (char *str)
+{
+ skip_whitespace (str);
+
+ /* mfsr */
+ if ((inst.instruction & 0xff) == 0x50)
+ {
+ if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL
+ && skip_past_comma (&str) != (int) FAIL
+ && reg_required_here (&str, 10, REG_TYPE_SCORE_SR) != (int) FAIL)
+ end_of_line (str);
+ }
+ else
+ {
+ if (reg_required_here (&str, 15, REG_TYPE_SCORE) != (int) FAIL
+ && skip_past_comma (&str) != (int) FAIL)
+ reg_required_here (&str, 10, REG_TYPE_SCORE_SR);
+ }
+}
+
+/* Handle neg. */
+
+static void
+do_rdxrs (char *str)
+{
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 20, REG_TYPE_SCORE) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL
+ || reg_required_here (&str, 10, REG_TYPE_SCORE) == (int) FAIL
+ || end_of_line (str) == (int) FAIL)
+ return;
+
+ if ((inst.relax_inst != 0x8000) && (((inst.instruction >> 10) & 0x10) == 0)
+ && (((inst.instruction >> 20) & 0x10) == 0))
+ {
+ inst.relax_inst |= (((inst.instruction >> 10) & 0xf) << 4) | (((inst.instruction >> 20) & 0xf) << 8);
+ inst.relax_size = 2;
+ }
+ else
+ inst.relax_inst = 0x8000;
+}
+
+/* Handle cmp.c/cmp<cond>. */
+static void
+do_rsrs (char *str)
+{
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 15, REG_TYPE_SCORE) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL
+ || reg_required_here (&str, 10, REG_TYPE_SCORE) == (int) FAIL
+ || end_of_line (str) == (int) FAIL)
+ return;
+
+ if ((inst.relax_inst != 0x8000) && (((inst.instruction >> 20) & 0x1f) == 3)
+ && (((inst.instruction >> 10) & 0x10) == 0) && (((inst.instruction >> 15) & 0x10) == 0))
+ {
+ inst.relax_inst |= (((inst.instruction >> 10) & 0xf) << 4) | (((inst.instruction >> 15) & 0xf) << 8);
+ inst.relax_size = 2;
+ }
+ else
+ inst.relax_inst = 0x8000;
+}
+
+static void
+do_ceinst (char *str)
+{
+ char *strbak;
+
+ strbak = str;
+ skip_whitespace (str);
+
+ if (data_op2 (&str, 20, _IMM5) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL
+ || reg_required_here (&str, 15, REG_TYPE_SCORE) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL
+ || reg_required_here (&str, 10, REG_TYPE_SCORE) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL
+ || data_op2 (&str, 5, _IMM5) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL
+ || data_op2 (&str, 0, _IMM5) == (int) FAIL
+ || end_of_line (str) == (int) FAIL)
+ {
+ return;
+ }
+ else
+ {
+ str = strbak;
+ if (data_op2 (&str, 0, _IMM25) == (int) FAIL)
+ return;
+ }
+}
+
+static int
+reglow_required_here (char **str, int shift)
+{
+ static char buff[MAX_LITERAL_POOL_SIZE];
+ int reg;
+ char *start = *str;
+
+ if ((reg = score_reg_parse (str, all_reg_maps[REG_TYPE_SCORE].htab)) != (int) FAIL)
+ {
+ if ((reg == 1) && (nor1 == 1) && (inst.bwarn == 0))
+ {
+ as_warn ("Using temp register(r1)");
+ inst.bwarn = 1;
+ }
+ if (reg < 16)
+ {
+ if (shift >= 0)
+ inst.instruction |= reg << shift;
+
+ return reg;
+ }
+ }
+
+ /* Restore the start point, we may have got a reg of the wrong class. */
+ *str = start;
+ sprintf (buff, _("low register(r0-r15)expected, not '%.100s'"), start);
+ inst.error = buff;
+ return (int) FAIL;
+}
+
+/* Handle addc!/add!/and!/cmp!/neg!/not!/or!/sll!/srl!/sra!/xor!/sub!. */
+static void
+do16_rdrs (char *str)
+{
+ skip_whitespace (str);
+
+ if (reglow_required_here (&str, 8) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL
+ || reglow_required_here (&str, 4) == (int) FAIL
+ || end_of_line (str) == (int) FAIL)
+ {
+ return;
+ }
+ else
+ {
+ if ((inst.instruction & 0x700f) == 0x2003) /* cmp! */
+ {
+ inst.relax_inst |= (((inst.instruction >> 8) & 0xf) << 15)
+ | (((inst.instruction >> 4) & 0xf) << 10);
+ }
+ else
+ {
+ inst.relax_inst |= (((inst.instruction >> 8) & 0xf) << 20)
+ | (((inst.instruction >> 8) & 0xf) << 15) | (((inst.instruction >> 4) & 0xf) << 10);
+ }
+ inst.relax_size = 4;
+ }
+}
+
+static void
+do16_rs (char *str)
+{
+ int rd = 0;
+
+ skip_whitespace (str);
+
+ if ((rd = reglow_required_here (&str, 4)) == (int) FAIL
+ || end_of_line (str) == (int) FAIL)
+ {
+ return;
+ }
+ else
+ {
+ inst.relax_inst |= rd << 20;
+ inst.relax_size = 4;
+ }
+}
+
+/* Handle br!/brl!. */
+static void
+do16_xrs (char *str)
+{
+ skip_whitespace (str);
+
+ if (reglow_required_here (&str, 4) == (int) FAIL || end_of_line (str) == (int) FAIL)
+ {
+ return;
+ }
+ else
+ {
+ inst.relax_inst |= (((inst.instruction >> 8) & 0xf) << 10)
+ | (((inst.instruction >> 4) & 0xf) << 15);
+ inst.relax_size = 4;
+ }
+}
+
+static int
+reghigh_required_here (char **str, int shift)
+{
+ static char buff[MAX_LITERAL_POOL_SIZE];
+ int reg;
+ char *start = *str;
+
+ if ((reg = score_reg_parse (str, all_reg_maps[REG_TYPE_SCORE].htab)) != (int) FAIL)
+ {
+ if (15 < reg && reg < 32)
+ {
+ if (shift >= 0)
+ inst.instruction |= (reg & 0xf) << shift;
+
+ return reg;
+ }
+ }
+
+ *str = start;
+ sprintf (buff, _("high register(r16-r31)expected, not '%.100s'"), start);
+ inst.error = buff;
+ return (int) FAIL;
+}
+
+/* Handle mhfl!. */
+static void
+do16_hrdrs (char *str)
+{
+ skip_whitespace (str);
+
+ if (reghigh_required_here (&str, 8) != (int) FAIL
+ && skip_past_comma (&str) != (int) FAIL
+ && reglow_required_here (&str, 4) != (int) FAIL
+ && end_of_line (str) != (int) FAIL)
+ {
+ inst.relax_inst |= ((((inst.instruction >> 8) & 0xf) | 0x10) << 20)
+ | (((inst.instruction >> 4) & 0xf) << 15) | (0xf << 10);
+ inst.relax_size = 4;
+ }
+}
+
+/* Handle mlfh!. */
+static void
+do16_rdhrs (char *str)
+{
+ skip_whitespace (str);
+
+ if (reglow_required_here (&str, 8) != (int) FAIL
+ && skip_past_comma (&str) != (int) FAIL
+ && reghigh_required_here (&str, 4) != (int) FAIL
+ && end_of_line (str) != (int) FAIL)
+ {
+ inst.relax_inst |= (((inst.instruction >> 8) & 0xf) << 20)
+ | ((((inst.instruction >> 4) & 0xf) | 0x10) << 15) | (0xf << 10);
+ inst.relax_size = 4;
+ }
+}
+
+/* We need to be able to fix up arbitrary expressions in some statements.
+ This is so that we can handle symbols that are an arbitrary distance from
+ the pc. The most common cases are of the form ((+/-sym -/+ . - 8) & mask),
+ which returns part of an address in a form which will be valid for
+ a data instruction. We do this by pushing the expression into a symbol
+ in the expr_section, and creating a fix for that. */
+static fixS *
+fix_new_score (fragS * frag, int where, short int size, expressionS * exp, int pc_rel, int reloc)
+{
+ fixS *new_fix;
+
+ switch (exp->X_op)
+ {
+ case O_constant:
+ case O_symbol:
+ case O_add:
+ case O_subtract:
+ new_fix = fix_new_exp (frag, where, size, exp, pc_rel, reloc);
+ break;
+ default:
+ new_fix = fix_new (frag, where, size, make_expr_symbol (exp), 0, pc_rel, reloc);
+ break;
+ }
+ return new_fix;
+}
+
+static void
+init_dependency_vector (void)
+{
+ int i;
+
+ for (i = 0; i < vector_size; i++)
+ memset (&dependency_vector[i], '\0', sizeof (dependency_vector[i]));
+
+ return;
+}
+
+static enum insn_type_for_dependency
+dependency_type_from_insn (char *insn_name)
+{
+ char name[INSN_NAME_LEN];
+ const struct insn_to_dependency *tmp;
+
+ strcpy (name, insn_name);
+ tmp = (const struct insn_to_dependency *) hash_find (dependency_insn_hsh, name);
+
+ if (tmp)
+ return tmp->type;
+
+ return D_all_insn;
+}
+
+static int
+check_dependency (char *pre_insn, char *pre_reg,
+ char *cur_insn, char *cur_reg, int *warn_or_error)
+{
+ int bubbles = 0;
+ unsigned int i;
+ enum insn_type_for_dependency pre_insn_type;
+ enum insn_type_for_dependency cur_insn_type;
+
+ pre_insn_type = dependency_type_from_insn (pre_insn);
+ cur_insn_type = dependency_type_from_insn (cur_insn);
+
+ for (i = 0; i < sizeof (data_dependency_table) / sizeof (data_dependency_table[0]); i++)
+ {
+ if ((pre_insn_type == data_dependency_table[i].pre_insn_type)
+ && (D_all_insn == data_dependency_table[i].cur_insn_type
+ || cur_insn_type == data_dependency_table[i].cur_insn_type)
+ && (strcmp (data_dependency_table[i].pre_reg, "") == 0
+ || strcmp (data_dependency_table[i].pre_reg, pre_reg) == 0)
+ && (strcmp (data_dependency_table[i].cur_reg, "") == 0
+ || strcmp (data_dependency_table[i].cur_reg, cur_reg) == 0))
+ {
+ bubbles = (score7) ? data_dependency_table[i].bubblenum_7 : data_dependency_table[i].bubblenum_5;
+ *warn_or_error = data_dependency_table[i].warn_or_error;
+ break;
+ }
+ }
+
+ return bubbles;
+}
+
+static void
+build_one_frag (struct score_it one_inst)
+{
+ char *p;
+ int relaxable_p = g_opt;
+ int relax_size = 0;
+
+ /* Start a new frag if frag_now is not empty. */
+ if (frag_now_fix () != 0)
+ {
+ if (!frag_now->tc_frag_data.is_insn)
+ frag_wane (frag_now);
+
+ frag_new (0);
+ }
+ frag_grow (20);
+
+ p = frag_more (one_inst.size);
+ md_number_to_chars (p, one_inst.instruction, one_inst.size);
+
+#ifdef OBJ_ELF
+ dwarf2_emit_insn (one_inst.size);
+#endif
+
+ relaxable_p &= (one_inst.relax_size != 0);
+ relax_size = relaxable_p ? one_inst.relax_size : 0;
+
+ p = frag_var (rs_machine_dependent, relax_size + RELAX_PAD_BYTE, 0,
+ RELAX_ENCODE (one_inst.size, one_inst.relax_size,
+ one_inst.type, 0, 0, relaxable_p),
+ NULL, 0, NULL);
+
+ if (relaxable_p)
+ md_number_to_chars (p, one_inst.relax_inst, relax_size);
+}
+
+static void
+handle_dependency (struct score_it *theinst)
+{
+ int i;
+ int warn_or_error = 0; /* warn - 0; error - 1 */
+ int bubbles = 0;
+ int remainder_bubbles = 0;
+ char cur_insn[INSN_NAME_LEN];
+ char pre_insn[INSN_NAME_LEN];
+ struct score_it nop_inst;
+ struct score_it pflush_inst;
+
+ nop_inst.instruction = 0x0000;
+ nop_inst.size = 2;
+ nop_inst.relax_inst = 0x80008000;
+ nop_inst.relax_size = 4;
+ nop_inst.type = NO16_OPD;
+
+ pflush_inst.instruction = 0x8000800a;
+ pflush_inst.size = 4;
+ pflush_inst.relax_inst = 0x8000;
+ pflush_inst.relax_size = 0;
+ pflush_inst.type = NO_OPD;
+
+ /* pflush will clear all data dependency. */
+ if (strcmp (theinst->name, "pflush") == 0)
+ {
+ init_dependency_vector ();
+ return;
+ }
+
+ /* Push current instruction to dependency_vector[0]. */
+ for (i = vector_size - 1; i > 0; i--)
+ memcpy (&dependency_vector[i], &dependency_vector[i - 1], sizeof (dependency_vector[i]));
+
+ memcpy (&dependency_vector[0], theinst, sizeof (dependency_vector[i]));
+
+ /* There is no dependency between nop and any instruction. */
+ if (strcmp (dependency_vector[0].name, "nop") == 0
+ || strcmp (dependency_vector[0].name, "nop!") == 0)
+ return;
+
+ /* "pce" is defined in insn_to_dependency_table. */
+#define PCE_NAME "pce"
+
+ if (dependency_vector[0].type == Insn_Type_PCE)
+ strcpy (cur_insn, PCE_NAME);
+ else
+ strcpy (cur_insn, dependency_vector[0].name);
+
+ for (i = 1; i < vector_size; i++)
+ {
+ /* The element of dependency_vector is NULL. */
+ if (dependency_vector[i].name[0] == '\0')
+ continue;
+
+ if (dependency_vector[i].type == Insn_Type_PCE)
+ strcpy (pre_insn, PCE_NAME);
+ else
+ strcpy (pre_insn, dependency_vector[i].name);
+
+ bubbles = check_dependency (pre_insn, dependency_vector[i].reg,
+ cur_insn, dependency_vector[0].reg, &warn_or_error);
+ remainder_bubbles = bubbles - i + 1;
+
+ if (remainder_bubbles > 0)
+ {
+ int j;
+
+ if (fix_data_dependency == 1)
+ {
+ if (remainder_bubbles <= 2)
+ {
+ if (warn_fix_data_dependency)
+ as_warn ("Fix data dependency: %s %s -- %s %s (insert %d nop!/%d)",
+ dependency_vector[i].name, dependency_vector[i].reg,
+ dependency_vector[0].name, dependency_vector[0].reg,
+ remainder_bubbles, bubbles);
+
+ for (j = (vector_size - 1); (j - remainder_bubbles) > 0; j--)
+ memcpy (&dependency_vector[j], &dependency_vector[j - remainder_bubbles],
+ sizeof (dependency_vector[j]));
+
+ for (j = 1; j <= remainder_bubbles; j++)
+ {
+ memset (&dependency_vector[j], '\0', sizeof (dependency_vector[j]));
+ /* Insert nop!. */
+ build_one_frag (nop_inst);
+ }
+ }
+ else
+ {
+ if (warn_fix_data_dependency)
+ as_warn ("Fix data dependency: %s %s -- %s %s (insert 1 pflush/%d)",
+ dependency_vector[i].name, dependency_vector[i].reg,
+ dependency_vector[0].name, dependency_vector[0].reg,
+ bubbles);
+
+ for (j = 1; j < vector_size; j++)
+ memset (&dependency_vector[j], '\0', sizeof (dependency_vector[j]));
+
+ /* Insert pflush. */
+ build_one_frag (pflush_inst);
+ }
+ }
+ else
+ {
+ if (warn_or_error)
+ {
+ as_bad ("data dependency: %s %s -- %s %s (%d/%d bubble)",
+ dependency_vector[i].name, dependency_vector[i].reg,
+ dependency_vector[0].name, dependency_vector[0].reg,
+ remainder_bubbles, bubbles);
+ }
+ else
+ {
+ as_warn ("data dependency: %s %s -- %s %s (%d/%d bubble)",
+ dependency_vector[i].name, dependency_vector[i].reg,
+ dependency_vector[0].name, dependency_vector[0].reg,
+ remainder_bubbles, bubbles);
+ }
+ }
+ }
+ }
+}
+
+static enum insn_class
+get_insn_class_from_type (enum score_insn_type type)
+{
+ enum insn_class retval = (int) FAIL;
+
+ switch (type)
+ {
+ case Rd_I4:
+ case Rd_I5:
+ case Rd_rvalueBP_I5:
+ case Rd_lvalueBP_I5:
+ case Rd_I8:
+ case PC_DISP8div2:
+ case PC_DISP11div2:
+ case Rd_Rs:
+ case Rd_HighRs:
+ case Rd_lvalueRs:
+ case Rd_rvalueRs:
+ case x_Rs:
+ case Rd_LowRs:
+ case NO16_OPD:
+ retval = INSN_CLASS_16;
+ break;
+ case Rd_Rs_I5:
+ case x_Rs_I5:
+ case x_I5_x:
+ case Rd_Rs_I14:
+ case I15:
+ case Rd_I16:
+ case Rd_SI16:
+ case Rd_rvalueRs_SI10:
+ case Rd_lvalueRs_SI10:
+ case Rd_rvalueRs_preSI12:
+ case Rd_rvalueRs_postSI12:
+ case Rd_lvalueRs_preSI12:
+ case Rd_lvalueRs_postSI12:
+ case Rd_Rs_SI14:
+ case Rd_rvalueRs_SI15:
+ case Rd_lvalueRs_SI15:
+ case PC_DISP19div2:
+ case PC_DISP24div2:
+ case Rd_Rs_Rs:
+ case x_Rs_x:
+ case x_Rs_Rs:
+ case Rd_Rs_x:
+ case Rd_x_Rs:
+ case Rd_x_x:
+ case OP5_rvalueRs_SI15:
+ case I5_Rs_Rs_I5_OP5:
+ case x_rvalueRs_post4:
+ case Rd_rvalueRs_post4:
+ case Rd_x_I5:
+ case Rd_lvalueRs_post4:
+ case x_lvalueRs_post4:
+ case Rd_Rs_Rs_imm:
+ case NO_OPD:
+ case Rd_lvalue32Rs:
+ case Rd_rvalue32Rs:
+ case Insn_GP:
+ case Insn_PIC:
+ retval = INSN_CLASS_32;
+ break;
+ case Insn_Type_PCE:
+ retval = INSN_CLASS_PCE;
+ break;
+ case Insn_Type_SYN:
+ retval = INSN_CLASS_SYN;
+ break;
+ default:
+ abort ();
+ break;
+ }
+ return retval;
+}
+
+static unsigned long
+adjust_paritybit (unsigned long m_code, enum insn_class class)
+{
+ unsigned long result = 0;
+ unsigned long m_code_high = 0;
+ unsigned long m_code_low = 0;
+ unsigned long pb_high = 0;
+ unsigned long pb_low = 0;
+
+ if (class == INSN_CLASS_32)
+ {
+ pb_high = 0x80000000;
+ pb_low = 0x00008000;
+ }
+ else if (class == INSN_CLASS_16)
+ {
+ pb_high = 0;
+ pb_low = 0;
+ }
+ else if (class == INSN_CLASS_PCE)
+ {
+ pb_high = 0;
+ pb_low = 0x00008000;
+ }
+ else if (class == INSN_CLASS_SYN)
+ {
+ /* FIXME. at this time, INSN_CLASS_SYN must be 32 bit, but, instruction type should
+ be changed if macro instruction has been expanded. */
+ pb_high = 0x80000000;
+ pb_low = 0x00008000;
+ }
+ else
+ {
+ abort ();
+ }
+
+ m_code_high = m_code & 0x3fff8000;
+ m_code_low = m_code & 0x00007fff;
+ result = pb_high | (m_code_high << 1) | pb_low | m_code_low;
+ return result;
+
+}
+
+static void
+gen_insn_frag (struct score_it *part_1, struct score_it *part_2)
+{
+ char *p;
+ bfd_boolean pce_p = FALSE;
+ int relaxable_p = g_opt;
+ int relax_size = 0;
+ struct score_it *inst1 = part_1;
+ struct score_it *inst2 = part_2;
+ struct score_it backup_inst1;
+
+ pce_p = (inst2) ? TRUE : FALSE;
+ memcpy (&backup_inst1, inst1, sizeof (struct score_it));
+
+ /* Adjust instruction opcode and to be relaxed instruction opcode. */
+ if (pce_p)
+ {
+ backup_inst1.instruction = ((backup_inst1.instruction & 0x7FFF) << 15)
+ | (inst2->instruction & 0x7FFF);
+ backup_inst1.instruction = adjust_paritybit (backup_inst1.instruction, INSN_CLASS_PCE);
+ backup_inst1.relax_inst = 0x8000;
+ backup_inst1.size = INSN_SIZE;
+ backup_inst1.relax_size = 0;
+ backup_inst1.type = Insn_Type_PCE;
+ }
+ else
+ {
+ backup_inst1.instruction = adjust_paritybit (backup_inst1.instruction,
+ GET_INSN_CLASS (backup_inst1.type));
+ }
+
+ if (backup_inst1.relax_size != 0)
+ {
+ enum insn_class tmp;
+
+ tmp = (backup_inst1.size == INSN_SIZE) ? INSN_CLASS_16 : INSN_CLASS_32;
+ backup_inst1.relax_inst = adjust_paritybit (backup_inst1.relax_inst, tmp);
+ }
+
+ /* Check data dependency. */
+ handle_dependency (&backup_inst1);
+
+ /* Start a new frag if frag_now is not empty and is not instruction frag, maybe it contains
+ data produced by .ascii etc. Doing this is to make one instruction per frag. */
+ if (frag_now_fix () != 0)
+ {
+ if (!frag_now->tc_frag_data.is_insn)
+ frag_wane (frag_now);
+
+ frag_new (0);
+ }
+
+ /* Here, we must call frag_grow in order to keep the instruction frag type is
+ rs_machine_dependent.
+ For, frag_var may change frag_now->fr_type to rs_fill by calling frag_grow which
+ acturally will call frag_wane.
+ Calling frag_grow first will create a new frag_now which free size is 20 that is enough
+ for frag_var. */
+ frag_grow (20);
+
+ p = frag_more (backup_inst1.size);
+ md_number_to_chars (p, backup_inst1.instruction, backup_inst1.size);
+
+#ifdef OBJ_ELF
+ dwarf2_emit_insn (backup_inst1.size);
+#endif
+
+ /* Generate fixup structure. */
+ if (pce_p)
+ {
+ if (inst1->reloc.type != BFD_RELOC_NONE)
+ fix_new_score (frag_now, p - frag_now->fr_literal,
+ inst1->size, &inst1->reloc.exp,
+ inst1->reloc.pc_rel, inst1->reloc.type);
+
+ if (inst2->reloc.type != BFD_RELOC_NONE)
+ fix_new_score (frag_now, p - frag_now->fr_literal + 2,
+ inst2->size, &inst2->reloc.exp, inst2->reloc.pc_rel, inst2->reloc.type);
+ }
+ else
+ {
+ if (backup_inst1.reloc.type != BFD_RELOC_NONE)
+ fix_new_score (frag_now, p - frag_now->fr_literal,
+ backup_inst1.size, &backup_inst1.reloc.exp,
+ backup_inst1.reloc.pc_rel, backup_inst1.reloc.type);
+ }
+
+ /* relax_size may be 2, 4, 12 or 0, 0 indicates no relaxation. */
+ relaxable_p &= (backup_inst1.relax_size != 0);
+ relax_size = relaxable_p ? backup_inst1.relax_size : 0;
+
+ p = frag_var (rs_machine_dependent, relax_size + RELAX_PAD_BYTE, 0,
+ RELAX_ENCODE (backup_inst1.size, backup_inst1.relax_size,
+ backup_inst1.type, 0, 0, relaxable_p),
+ backup_inst1.reloc.exp.X_add_symbol, 0, NULL);
+
+ if (relaxable_p)
+ md_number_to_chars (p, backup_inst1.relax_inst, relax_size);
+
+ memcpy (inst1, &backup_inst1, sizeof (struct score_it));
+}
+
+static void
+parse_16_32_inst (char *insnstr, bfd_boolean gen_frag_p)
+{
+ char c;
+ char *p;
+ char *operator = insnstr;
+ const struct asm_opcode *opcode;
+
+ /* Parse operator and operands. */
+ skip_whitespace (operator);
+
+ for (p = operator; *p != '\0'; p++)
+ if ((*p == ' ') || (*p == '!'))
+ break;
+
+ if (*p == '!')
+ p++;
+
+ c = *p;
+ *p = '\0';
+
+ opcode = (const struct asm_opcode *) hash_find (score_ops_hsh, operator);
+ *p = c;
+
+ memset (&inst, '\0', sizeof (inst));
+ sprintf (inst.str, "%s", insnstr);
+ if (opcode)
+ {
+ inst.instruction = opcode->value;
+ inst.relax_inst = opcode->relax_value;
+ inst.type = opcode->type;
+ inst.size = GET_INSN_SIZE (inst.type);
+ inst.relax_size = 0;
+ inst.bwarn = 0;
+ sprintf (inst.name, "%s", opcode->template);
+ strcpy (inst.reg, "");
+ inst.error = NULL;
+ inst.reloc.type = BFD_RELOC_NONE;
+
+ (*opcode->parms) (p);
+
+ /* It indicates current instruction is a macro instruction if inst.bwarn equals -1. */
+ if ((inst.bwarn != -1) && (!inst.error) && (gen_frag_p))
+ gen_insn_frag (&inst, NULL);
+ }
+ else
+ inst.error = _("unrecognized opcode");
+}
+
+static int
+append_insn (char *str, bfd_boolean gen_frag_p)
+{
+ int retval = SUCCESS;
+
+ parse_16_32_inst (str, gen_frag_p);
+
+ if (inst.error)
+ {
+ retval = (int) FAIL;
+ as_bad ("%s -- `%s'", inst.error, inst.str);
+ inst.error = NULL;
+ }
+
+ return retval;
+}
+
+/* Handle mv! reg_high, reg_low;
+ mv! reg_low, reg_high;
+ mv! reg_low, reg_low; */
+static void
+do16_mv_rdrs (char *str)
+{
+ int reg_rd;
+ int reg_rs;
+ char *backupstr = NULL;
+
+ backupstr = str;
+ skip_whitespace (str);
+
+ if ((reg_rd = reg_required_here (&str, 8, REG_TYPE_SCORE)) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL
+ || (reg_rs = reg_required_here (&str, 4, REG_TYPE_SCORE)) == (int) FAIL
+ || end_of_line (str) == (int) FAIL)
+ {
+ return;
+ }
+ else
+ {
+ /* Case 1 : mv! or mlfh!. */
+ if (reg_rd < 16)
+ {
+ if (reg_rs < 16)
+ {
+ inst.relax_inst |= (((inst.instruction >> 8) & 0xf) << 20)
+ | (((inst.instruction >> 4) & 0xf) << 15) | (0xf << 10);
+ inst.relax_size = 4;
+ }
+ else
+ {
+ char append_str[MAX_LITERAL_POOL_SIZE];
+
+ sprintf (append_str, "mlfh! %s", backupstr);
+ if (append_insn (append_str, TRUE) == (int) FAIL)
+ return;
+ /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
+ inst.bwarn = -1;
+ }
+ }
+ /* Case 2 : mhfl!. */
+ else
+ {
+ if (reg_rs > 16)
+ {
+ SET_INSN_ERROR (BAD_ARGS);
+ return;
+ }
+ else
+ {
+ char append_str[MAX_LITERAL_POOL_SIZE];
+
+ sprintf (append_str, "mhfl! %s", backupstr);
+ if (append_insn (append_str, TRUE) == (int) FAIL)
+ return;
+
+ /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
+ inst.bwarn = -1;
+ }
+ }
+ }
+}
+
+static void
+do16_rdi4 (char *str)
+{
+ skip_whitespace (str);
+
+ if (reglow_required_here (&str, 8) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL
+ || data_op2 (&str, 3, _IMM4) == (int) FAIL
+ || end_of_line (str) == (int) FAIL)
+ {
+ return;
+ }
+ else
+ {
+ if (((inst.instruction >> 3) & 0x10) == 0) /* for judge is addei or subei : bit 5 =0 : addei */
+ {
+ if (((inst.instruction >> 3) & 0xf) != 0xf)
+ {
+ inst.relax_inst |= (((inst.instruction >> 8) & 0xf) << 20)
+ | ((1 << ((inst.instruction >> 3) & 0xf)) << 1);
+ inst.relax_size = 4;
+ }
+ else
+ {
+ inst.relax_inst = 0x8000;
+ }
+ }
+ else
+ {
+ if (((inst.instruction >> 3) & 0xf) != 0xf)
+ {
+ inst.relax_inst |= (((inst.instruction >> 8) & 0xf) << 20)
+ | (((-(1 << ((inst.instruction >> 3) & 0xf))) & 0xffff) << 1);
+ inst.relax_size = 4;
+ }
+ else
+ {
+ inst.relax_inst = 0x8000;
+ }
+ }
+ }
+}
+
+static void
+do16_rdi5 (char *str)
+{
+ skip_whitespace (str);
+
+ if (reglow_required_here (&str, 8) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL
+ || data_op2 (&str, 3, _IMM5) == (int) FAIL
+ || end_of_line (str) == (int) FAIL)
+ return;
+ else
+ {
+ inst.relax_inst |= (((inst.instruction >> 8) & 0xf) << 20)
+ | (((inst.instruction >> 8) & 0xf) << 15) | (((inst.instruction >> 3) & 0x1f) << 10);
+ inst.relax_size = 4;
+ }
+}
+
+/* Handle sdbbp. */
+static void
+do16_xi5 (char *str)
+{
+ skip_whitespace (str);
+
+ if (data_op2 (&str, 3, _IMM5) == (int) FAIL || end_of_line (str) == (int) FAIL)
+ return;
+ else
+ {
+ inst.relax_inst |= (((inst.instruction >> 3) & 0x1f) << 15);
+ inst.relax_size = 4;
+ }
+}
+
+/* Check that an immediate is word alignment or half word alignment.
+ If so, convert it to the right format. */
+static int
+validate_immediate_align (int val, unsigned int data_type)
+{
+ if (data_type == _IMM5_RSHIFT_1)
+ {
+ if (val % 2)
+ {
+ inst.error = _("address offset must be half word alignment");
+ return (int) FAIL;
+ }
+ }
+ else if ((data_type == _IMM5_RSHIFT_2) || (data_type == _IMM10_RSHIFT_2))
+ {
+ if (val % 4)
+ {
+ inst.error = _("address offset must be word alignment");
+ return (int) FAIL;
+ }
+ }
+
+ return SUCCESS;
+}
+
+static int
+exp_ldst_offset (char **str, int shift, unsigned int data_type)
+{
+ char *dataptr;
+
+ dataptr = * str;
+
+ if ((*dataptr == '0') && (*(dataptr + 1) == 'x')
+ && (data_type != _SIMM16_LA)
+ && (data_type != _VALUE_HI16)
+ && (data_type != _VALUE_LO16)
+ && (data_type != _IMM16)
+ && (data_type != _IMM15)
+ && (data_type != _IMM14)
+ && (data_type != _IMM4)
+ && (data_type != _IMM5)
+ && (data_type != _IMM8)
+ && (data_type != _IMM5_RSHIFT_1)
+ && (data_type != _IMM5_RSHIFT_2)
+ && (data_type != _SIMM14_NEG)
+ && (data_type != _IMM10_RSHIFT_2))
+ {
+ data_type += 24;
+ }
+
+ if (my_get_expression (&inst.reloc.exp, str) == (int) FAIL)
+ return (int) FAIL;
+
+ if (inst.reloc.exp.X_op == O_constant)
+ {
+ /* Need to check the immediate align. */
+ int value = validate_immediate_align (inst.reloc.exp.X_add_number, data_type);
+
+ if (value == (int) FAIL)
+ return (int) FAIL;
+
+ value = validate_immediate (inst.reloc.exp.X_add_number, data_type);
+ if (value == (int) FAIL)
+ {
+ char err_msg[255];
+
+ if (data_type < 30)
+ sprintf (err_msg,
+ "invalid constant: %d bit expression not in range %d..%d",
+ score_df_range[data_type].bits,
+ score_df_range[data_type].range[0], score_df_range[data_type].range[1]);
+ else
+ sprintf (err_msg,
+ "invalid constant: %d bit expression not in range %d..%d",
+ score_df_range[data_type - 24].bits,
+ score_df_range[data_type - 24].range[0], score_df_range[data_type - 24].range[1]);
+ inst.error = _(err_msg);
+ return (int) FAIL;
+ }
+
+ if (data_type == _IMM5_RSHIFT_1)
+ {
+ value >>= 1;
+ }
+ else if ((data_type == _IMM5_RSHIFT_2) || (data_type == _IMM10_RSHIFT_2))
+ {
+ value >>= 2;
+ }
+
+ if (score_df_range[data_type].range[0] != 0)
+ {
+ value &= (1 << score_df_range[data_type].bits) - 1;
+ }
+
+ inst.instruction |= value << shift;
+ }
+ else
+ {
+ inst.reloc.pc_rel = 0;
+ }
+
+ return SUCCESS;
+}
+
+static void
+do_ldst_insn (char *str)
+{
+ int pre_inc = 0;
+ int conflict_reg;
+ int value;
+ char * temp;
+ char *strbak;
+ char *dataptr;
+ int reg;
+ int ldst_idx = 0;
+
+ strbak = str;
+ skip_whitespace (str);
+
+ if (((conflict_reg = reg_required_here (&str, 20, REG_TYPE_SCORE)) == (int) FAIL)
+ || (skip_past_comma (&str) == (int) FAIL))
+ return;
+
+ /* ld/sw rD, [rA, simm15] ld/sw rD, [rA]+, simm12 ld/sw rD, [rA, simm12]+. */
+ if (*str == '[')
+ {
+ str++;
+ skip_whitespace (str);
+
+ if ((reg = reg_required_here (&str, 15, REG_TYPE_SCORE)) == (int) FAIL)
+ return;
+
+ /* Conflicts can occur on stores as well as loads. */
+ conflict_reg = (conflict_reg == reg);
+ skip_whitespace (str);
+ temp = str + 1; /* The latter will process decimal/hex expression. */
+
+ /* ld/sw rD, [rA]+, simm12 ld/sw rD, [rA]+. */
+ if (*str == ']')
+ {
+ str++;
+ if (*str == '+')
+ {
+ str++;
+ /* ld/sw rD, [rA]+, simm12. */
+ if (skip_past_comma (&str) == SUCCESS)
+ {
+ if ((exp_ldst_offset (&str, 3, _SIMM12) == (int) FAIL)
+ || (end_of_line (str) == (int) FAIL))
+ return;
+
+ if (conflict_reg)
+ {
+ unsigned int ldst_func = inst.instruction & OPC_PSEUDOLDST_MASK;
+
+ if ((ldst_func == INSN_LH)
+ || (ldst_func == INSN_LHU)
+ || (ldst_func == INSN_LW)
+ || (ldst_func == INSN_LB)
+ || (ldst_func == INSN_LBU))
+ {
+ inst.error = _("register same as write-back base");
+ return;
+ }
+ }
+
+ ldst_idx = inst.instruction & OPC_PSEUDOLDST_MASK;
+ inst.instruction &= ~OPC_PSEUDOLDST_MASK;
+ inst.instruction |= score_ldst_insns[ldst_idx * 3 + LDST_POST].value;
+
+ /* lw rD, [rA]+, 4 convert to pop rD, [rA]. */
+ if ((inst.instruction & 0x3e000007) == 0x0e000000)
+ {
+ /* rs = r0-r7, offset = 4 */
+ if ((((inst.instruction >> 15) & 0x18) == 0)
+ && (((inst.instruction >> 3) & 0xfff) == 4))
+ {
+ /* Relax to pophi. */
+ if ((((inst.instruction >> 20) & 0x10) == 0x10))
+ {
+ inst.relax_inst = 0x0000200a | (((inst.instruction >> 20) & 0xf)
+ << 8) | 1 << 7 |
+ (((inst.instruction >> 15) & 0x7) << 4);
+ }
+ /* Relax to pop. */
+ else
+ {
+ inst.relax_inst = 0x0000200a | (((inst.instruction >> 20) & 0xf)
+ << 8) | 0 << 7 |
+ (((inst.instruction >> 15) & 0x7) << 4);
+ }
+ inst.relax_size = 2;
+ }
+ }
+ return;
+ }
+ /* ld/sw rD, [rA]+ convert to ld/sw rD, [rA, 0]+. */
+ else
+ {
+ SET_INSN_ERROR (NULL);
+ if (end_of_line (str) == (int) FAIL)
+ {
+ return;
+ }
+
+ pre_inc = 1;
+ value = validate_immediate (inst.reloc.exp.X_add_number, _SIMM12);
+ value &= (1 << score_df_range[_SIMM12].bits) - 1;
+ ldst_idx = inst.instruction & OPC_PSEUDOLDST_MASK;
+ inst.instruction &= ~OPC_PSEUDOLDST_MASK;
+ inst.instruction |= score_ldst_insns[ldst_idx * 3 + pre_inc].value;
+ inst.instruction |= value << 3;
+ inst.relax_inst = 0x8000;
+ return;
+ }
+ }
+ /* ld/sw rD, [rA] convert to ld/sw rD, [rA, simm15]. */
+ else
+ {
+ if (end_of_line (str) == (int) FAIL)
+ return;
+
+ ldst_idx = inst.instruction & OPC_PSEUDOLDST_MASK;
+ inst.instruction &= ~OPC_PSEUDOLDST_MASK;
+ inst.instruction |= score_ldst_insns[ldst_idx * 3 + LDST_NOUPDATE].value;
+
+ /* lbu rd, [rs] -> lbu! rd, [rs] */
+ if (ldst_idx == INSN_LBU)
+ {
+ inst.relax_inst = INSN16_LBU;
+ }
+ else if (ldst_idx == INSN_LH)
+ {
+ inst.relax_inst = INSN16_LH;
+ }
+ else if (ldst_idx == INSN_LW)
+ {
+ inst.relax_inst = INSN16_LW;
+ }
+ else if (ldst_idx == INSN_SB)
+ {
+ inst.relax_inst = INSN16_SB;
+ }
+ else if (ldst_idx == INSN_SH)
+ {
+ inst.relax_inst = INSN16_SH;
+ }
+ else if (ldst_idx == INSN_SW)
+ {
+ inst.relax_inst = INSN16_SW;
+ }
+ else
+ {
+ inst.relax_inst = 0x8000;
+ }
+
+ /* lw/lh/lbu/sw/sh/sb, offset = 0, relax to 16 bit instruction. */
+ if ((ldst_idx == INSN_LBU)
+ || (ldst_idx == INSN_LH)
+ || (ldst_idx == INSN_LW)
+ || (ldst_idx == INSN_SB) || (ldst_idx == INSN_SH) || (ldst_idx == INSN_SW))
+ {
+ if ((((inst.instruction >> 15) & 0x10) == 0) && (((inst.instruction >> 20) & 0x10) == 0))
+ {
+ inst.relax_inst |= (2 << 12) | (((inst.instruction >> 20) & 0xf) << 8) |
+ (((inst.instruction >> 15) & 0xf) << 4);
+ inst.relax_size = 2;
+ }
+ }
+
+ return;
+ }
+ }
+ /* ld/sw rD, [rA, simm15] ld/sw rD, [rA, simm12]+. */
+ else
+ {
+ if (skip_past_comma (&str) == (int) FAIL)
+ {
+ inst.error = _("pre-indexed expression expected");
+ return;
+ }
+
+ if (my_get_expression (&inst.reloc.exp, &str) == (int) FAIL)
+ return;
+
+ skip_whitespace (str);
+ if (*str++ != ']')
+ {
+ inst.error = _("missing ]");
+ return;
+ }
+
+ skip_whitespace (str);
+ /* ld/sw rD, [rA, simm12]+. */
+ if (*str == '+')
+ {
+ str++;
+ pre_inc = 1;
+ if (conflict_reg)
+ {
+ unsigned int ldst_func = inst.instruction & OPC_PSEUDOLDST_MASK;
+
+ if ((ldst_func == INSN_LH)
+ || (ldst_func == INSN_LHU)
+ || (ldst_func == INSN_LW)
+ || (ldst_func == INSN_LB)
+ || (ldst_func == INSN_LBU))
+ {
+ inst.error = _("register same as write-back base");
+ return;
+ }
+ }
+ }
+
+ if (end_of_line (str) == (int) FAIL)
+ return;
+
+ if (inst.reloc.exp.X_op == O_constant)
+ {
+ int value;
+ unsigned int data_type;
+
+ if (pre_inc == 1)
+ data_type = _SIMM12;
+ else
+ data_type = _SIMM15;
+ dataptr = temp;
+
+ if ((*dataptr == '0') && (*(dataptr + 1) == 'x')
+ && (data_type != _SIMM16_LA)
+ && (data_type != _VALUE_HI16)
+ && (data_type != _VALUE_LO16)
+ && (data_type != _IMM16)
+ && (data_type != _IMM15)
+ && (data_type != _IMM14)
+ && (data_type != _IMM4)
+ && (data_type != _IMM5)
+ && (data_type != _IMM8)
+ && (data_type != _IMM5_RSHIFT_1)
+ && (data_type != _IMM5_RSHIFT_2)
+ && (data_type != _SIMM14_NEG)
+ && (data_type != _IMM10_RSHIFT_2))
+ {
+ data_type += 24;
+ }
+
+ value = validate_immediate (inst.reloc.exp.X_add_number, data_type);
+ if (value == (int) FAIL)
+ {
+ char err_msg[255];
+
+ if (data_type < 27)
+ sprintf (err_msg,
+ "invalid constant: %d bit expression not in range %d..%d",
+ score_df_range[data_type].bits,
+ score_df_range[data_type].range[0], score_df_range[data_type].range[1]);
+ else
+ sprintf (err_msg,
+ "invalid constant: %d bit expression not in range %d..%d",
+ score_df_range[data_type - 21].bits,
+ score_df_range[data_type - 21].range[0],
+ score_df_range[data_type - 21].range[1]);
+ inst.error = _(err_msg);
+ return;
+ }
+
+ value &= (1 << score_df_range[data_type].bits) - 1;
+ ldst_idx = inst.instruction & OPC_PSEUDOLDST_MASK;
+ inst.instruction &= ~OPC_PSEUDOLDST_MASK;
+ inst.instruction |= score_ldst_insns[ldst_idx * 3 + pre_inc].value;
+ if (pre_inc == 1)
+ inst.instruction |= value << 3;
+ else
+ inst.instruction |= value;
+
+ /* lw rD, [rA, simm15] */
+ if ((inst.instruction & 0x3e000000) == 0x20000000)
+ {
+ /* Both rD and rA are in [r0 - r15]. */
+ if ((((inst.instruction >> 15) & 0x10) == 0)
+ && (((inst.instruction >> 20) & 0x10) == 0))
+ {
+ /* simm15 = 0, lw -> lw!. */
+ if ((inst.instruction & 0x7fff) == 0)
+ {
+ inst.relax_inst |= (((inst.instruction >> 15) & 0xf) << 4)
+ | (((inst.instruction >> 20) & 0xf) << 8);
+ inst.relax_size = 2;
+ }
+ /* rA = r2, lw -> lwp!. */
+ else if ((((inst.instruction >> 15) & 0xf) == 2)
+ && ((inst.instruction & 0x3) == 0)
+ && ((inst.instruction & 0x7fff) < 128))
+ {
+ inst.relax_inst = 0x7000 | (((inst.instruction >> 20) & 0xf) << 8)
+ | (((inst.instruction & 0x7fff) >> 2) << 3);
+ inst.relax_size = 2;
+ }
+ else
+ {
+ inst.relax_inst = 0x8000;
+ }
+ }
+ else
+ {
+ inst.relax_inst = 0x8000;
+ }
+ }
+ /* sw rD, [rA, simm15] */
+ else if ((inst.instruction & 0x3e000000) == 0x28000000)
+ {
+ /* Both rD and rA are in [r0 - r15]. */
+ if ((((inst.instruction >> 15) & 0x10) == 0) && (((inst.instruction >> 20) & 0x10) == 0))
+ {
+ /* simm15 = 0, sw -> sw!. */
+ if ((inst.instruction & 0x7fff) == 0)
+ {
+ inst.relax_inst |= (((inst.instruction >> 15) & 0xf) << 4)
+ | (((inst.instruction >> 20) & 0xf) << 8);
+ inst.relax_size = 2;
+ }
+ /* rA = r2, sw -> swp!. */
+ else if ((((inst.instruction >> 15) & 0xf) == 2)
+ && ((inst.instruction & 0x3) == 0)
+ && ((inst.instruction & 0x7fff) < 128))
+ {
+ inst.relax_inst = 0x7004 | (((inst.instruction >> 20) & 0xf) << 8)
+ | (((inst.instruction & 0x7fff) >> 2) << 3);
+ inst.relax_size = 2;
+ }
+ else
+ {
+ inst.relax_inst = 0x8000;
+ }
+ }
+ else
+ {
+ inst.relax_inst = 0x8000;
+ }
+ }
+ /* sw rD, [rA, simm15]+ sw pre. */
+ else if ((inst.instruction & 0x3e000007) == 0x06000004)
+ {
+ /* rA is in [r0 - r7], and simm15 = -4. */
+ if ((((inst.instruction >> 15) & 0x18) == 0)
+ && (((inst.instruction >> 3) & 0xfff) == 0xffc))
+ {
+ /* sw -> pushhi!. */
+ if ((((inst.instruction >> 20) & 0x10) == 0x10))
+ {
+ inst.relax_inst = 0x0000200e | (((inst.instruction >> 20) & 0xf) << 8)
+ | 1 << 7 | (((inst.instruction >> 15) & 0x7) << 4);
+ inst.relax_size = 2;
+ }
+ /* sw -> push!. */
+ else
+ {
+ inst.relax_inst = 0x0000200e | (((inst.instruction >> 20) & 0xf) << 8)
+ | 0 << 7 | (((inst.instruction >> 15) & 0x7) << 4);
+ inst.relax_size = 2;
+ }
+ }
+ else
+ {
+ inst.relax_inst = 0x8000;
+ }
+ }
+ /* lh rD, [rA, simm15] */
+ else if ((inst.instruction & 0x3e000000) == 0x22000000)
+ {
+ /* Both rD and rA are in [r0 - r15]. */
+ if ((((inst.instruction >> 15) & 0x10) == 0) && (((inst.instruction >> 20) & 0x10) == 0))
+ {
+ /* simm15 = 0, lh -> lh!. */
+ if ((inst.instruction & 0x7fff) == 0)
+ {
+ inst.relax_inst |= (((inst.instruction >> 15) & 0xf) << 4)
+ | (((inst.instruction >> 20) & 0xf) << 8);
+ inst.relax_size = 2;
+ }
+ /* rA = r2, lh -> lhp!. */
+ else if ((((inst.instruction >> 15) & 0xf) == 2)
+ && ((inst.instruction & 0x1) == 0)
+ && ((inst.instruction & 0x7fff) < 64))
+ {
+ inst.relax_inst = 0x7001 | (((inst.instruction >> 20) & 0xf) << 8)
+ | (((inst.instruction & 0x7fff) >> 1) << 3);
+ inst.relax_size = 2;
+ }
+ else
+ {
+ inst.relax_inst = 0x8000;
+ }
+ }
+ else
+ {
+ inst.relax_inst = 0x8000;
+ }
+ }
+ /* sh rD, [rA, simm15] */
+ else if ((inst.instruction & 0x3e000000) == 0x2a000000)
+ {
+ /* Both rD and rA are in [r0 - r15]. */
+ if ((((inst.instruction >> 15) & 0x10) == 0) && (((inst.instruction >> 20) & 0x10) == 0))
+ {
+ /* simm15 = 0, sh -> sh!. */
+ if ((inst.instruction & 0x7fff) == 0)
+ {
+ inst.relax_inst |= (((inst.instruction >> 15) & 0xf) << 4)
+ | (((inst.instruction >> 20) & 0xf) << 8);
+ inst.relax_size = 2;
+ }
+ /* rA = r2, sh -> shp!. */
+ else if ((((inst.instruction >> 15) & 0xf) == 2)
+ && ((inst.instruction & 0x1) == 0)
+ && ((inst.instruction & 0x7fff) < 64))
+ {
+ inst.relax_inst = 0x7005 | (((inst.instruction >> 20) & 0xf) << 8)
+ | (((inst.instruction & 0x7fff) >> 1) << 3);
+ inst.relax_size = 2;
+ }
+ else
+ {
+ inst.relax_inst = 0x8000;
+ }
+ }
+ else
+ {
+ inst.relax_inst = 0x8000;
+ }
+ }
+ /* lbu rD, [rA, simm15] */
+ else if ((inst.instruction & 0x3e000000) == 0x2c000000)
+ {
+ /* Both rD and rA are in [r0 - r15]. */
+ if ((((inst.instruction >> 15) & 0x10) == 0) && (((inst.instruction >> 20) & 0x10) == 0))
+ {
+ /* simm15 = 0, lbu -> lbu!. */
+ if ((inst.instruction & 0x7fff) == 0)
+ {
+ inst.relax_inst |= (((inst.instruction >> 15) & 0xf) << 4)
+ | (((inst.instruction >> 20) & 0xf) << 8);
+ inst.relax_size = 2;
+ }
+ /* rA = r2, lbu -> lbup!. */
+ else if ((((inst.instruction >> 15) & 0xf) == 2)
+ && ((inst.instruction & 0x7fff) < 32))
+ {
+ inst.relax_inst = 0x7003 | (((inst.instruction >> 20) & 0xf) << 8)
+ | ((inst.instruction & 0x7fff) << 3);
+ inst.relax_size = 2;
+ }
+ else
+ {
+ inst.relax_inst = 0x8000;
+ }
+ }
+ else
+ {
+ inst.relax_inst = 0x8000;
+ }
+ }
+ /* sb rD, [rA, simm15] */
+ else if ((inst.instruction & 0x3e000000) == 0x2e000000)
+ {
+ /* Both rD and rA are in [r0 - r15]. */
+ if ((((inst.instruction >> 15) & 0x10) == 0) && (((inst.instruction >> 20) & 0x10) == 0))
+ {
+ /* simm15 = 0, sb -> sb!. */
+ if ((inst.instruction & 0x7fff) == 0)
+ {
+ inst.relax_inst |= (((inst.instruction >> 15) & 0xf) << 4)
+ | (((inst.instruction >> 20) & 0xf) << 8);
+ inst.relax_size = 2;
+ }
+ /* rA = r2, sb -> sb!. */
+ else if ((((inst.instruction >> 15) & 0xf) == 2)
+ && ((inst.instruction & 0x7fff) < 32))
+ {
+ inst.relax_inst = 0x7007 | (((inst.instruction >> 20) & 0xf) << 8)
+ | ((inst.instruction & 0x7fff) << 3);
+ inst.relax_size = 2;
+ }
+ else
+ {
+ inst.relax_inst = 0x8000;
+ }
+ }
+ else
+ {
+ inst.relax_inst = 0x8000;
+ }
+ }
+ else
+ {
+ inst.relax_inst = 0x8000;
+ }
+
+ return;
+ }
+ else
+ {
+ /* FIXME: may set error, for there is no ld/sw rD, [rA, label] */
+ inst.reloc.pc_rel = 0;
+ }
+ }
+ }
+ else
+ {
+ inst.error = BAD_ARGS;
+ }
+}
+
+/* Handle cache. */
+
+static void
+do_cache (char *str)
+{
+ skip_whitespace (str);
+
+ if ((data_op2 (&str, 20, _IMM5) == (int) FAIL) || (skip_past_comma (&str) == (int) FAIL))
+ {
+ return;
+ }
+ else
+ {
+ int cache_op;
+
+ cache_op = (inst.instruction >> 20) & 0x1F;
+ sprintf (inst.name, "cache %d", cache_op);
+ }
+
+ if (*str == '[')
+ {
+ str++;
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 15, REG_TYPE_SCORE) == (int) FAIL)
+ return;
+
+ skip_whitespace (str);
+
+ /* cache op, [rA] */
+ if (skip_past_comma (&str) == (int) FAIL)
+ {
+ SET_INSN_ERROR (NULL);
+ if (*str != ']')
+ {
+ inst.error = _("missing ]");
+ return;
+ }
+ str++;
+ }
+ /* cache op, [rA, simm15] */
+ else
+ {
+ if (exp_ldst_offset (&str, 0, _SIMM15) == (int) FAIL)
+ {
+ return;
+ }
+
+ skip_whitespace (str);
+ if (*str++ != ']')
+ {
+ inst.error = _("missing ]");
+ return;
+ }
+ }
+
+ if (end_of_line (str) == (int) FAIL)
+ return;
+ }
+ else
+ {
+ inst.error = BAD_ARGS;
+ }
+}
+
+static void
+do_crdcrscrsimm5 (char *str)
+{
+ char *strbak;
+
+ strbak = str;
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 20, REG_TYPE_SCORE_CR) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL
+ || reg_required_here (&str, 15, REG_TYPE_SCORE_CR) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL
+ || reg_required_here (&str, 10, REG_TYPE_SCORE_CR) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL)
+ {
+ str = strbak;
+ /* cop1 cop_code20. */
+ if (data_op2 (&str, 5, _IMM20) == (int) FAIL)
+ return;
+ }
+ else
+ {
+ if (data_op2 (&str, 5, _IMM5) == (int) FAIL)
+ return;
+ }
+
+ end_of_line (str);
+}
+
+/* Handle ldc/stc. */
+static void
+do_ldst_cop (char *str)
+{
+ skip_whitespace (str);
+
+ if ((reg_required_here (&str, 15, REG_TYPE_SCORE_CR) == (int) FAIL)
+ || (skip_past_comma (&str) == (int) FAIL))
+ return;
+
+ if (*str == '[')
+ {
+ str++;
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 20, REG_TYPE_SCORE) == (int) FAIL)
+ return;
+
+ skip_whitespace (str);
+
+ if (*str++ != ']')
+ {
+ if (exp_ldst_offset (&str, 5, _IMM10_RSHIFT_2) == (int) FAIL)
+ return;
+
+ skip_whitespace (str);
+ if (*str++ != ']')
+ {
+ inst.error = _("missing ]");
+ return;
+ }
+ }
+
+ end_of_line (str);
+ }
+ else
+ inst.error = BAD_ARGS;
+}
+
+static void
+do16_ldst_insn (char *str)
+{
+ skip_whitespace (str);
+
+ if ((reglow_required_here (&str, 8) == (int) FAIL) || (skip_past_comma (&str) == (int) FAIL))
+ return;
+
+ if (*str == '[')
+ {
+ int reg;
+
+ str++;
+ skip_whitespace (str);
+
+ if ((reg = reglow_required_here (&str, 4)) == (int) FAIL)
+ return;
+
+ skip_whitespace (str);
+ if (*str++ == ']')
+ {
+ if (end_of_line (str) == (int) FAIL)
+ return;
+ else
+ {
+ inst.relax_inst |= (((inst.instruction >> 8) & 0xf) << 20)
+ | (((inst.instruction >> 4) & 0xf) << 15);
+ inst.relax_size = 4;
+ }
+ }
+ else
+ {
+ inst.error = _("missing ]");
+ }
+ }
+ else
+ {
+ inst.error = BAD_ARGS;
+ }
+}
+
+/* Handle lbup!/lhp!/ldiu!/lwp!/sbp!/shp!/swp!. */
+static void
+do16_ldst_imm_insn (char *str)
+{
+ char data_exp[MAX_LITERAL_POOL_SIZE];
+ int reg_rd;
+ char *dataptr = NULL, *pp = NULL;
+ int cnt = 0;
+ int assign_data = (int) FAIL;
+ unsigned int ldst_func;
+
+ skip_whitespace (str);
+
+ if (((reg_rd = reglow_required_here (&str, 8)) == (int) FAIL)
+ || (skip_past_comma (&str) == (int) FAIL))
+ return;
+
+ skip_whitespace (str);
+ dataptr = str;
+
+ while ((*dataptr != '\0') && (*dataptr != '|') && (cnt <= MAX_LITERAL_POOL_SIZE))
+ {
+ data_exp[cnt] = *dataptr;
+ dataptr++;
+ cnt++;
+ }
+
+ data_exp[cnt] = '\0';
+ pp = &data_exp[0];
+
+ str = dataptr;
+
+ ldst_func = inst.instruction & LDST16_RI_MASK;
+ if (ldst_func == N16_LIU)
+ assign_data = exp_ldst_offset (&pp, 0, _IMM8);
+ else if (ldst_func == N16_LHP || ldst_func == N16_SHP)
+ assign_data = exp_ldst_offset (&pp, 3, _IMM5_RSHIFT_1);
+ else if (ldst_func == N16_LWP || ldst_func == N16_SWP)
+ assign_data = exp_ldst_offset (&pp, 3, _IMM5_RSHIFT_2);
+ else
+ assign_data = exp_ldst_offset (&pp, 3, _IMM5);
+
+ if ((assign_data == (int) FAIL) || (end_of_line (pp) == (int) FAIL))
+ return;
+ else
+ {
+ if ((inst.instruction & 0x7000) == N16_LIU)
+ {
+ inst.relax_inst |= ((inst.instruction >> 8) & 0xf) << 20
+ | ((inst.instruction & 0xff) << 1);
+ }
+ else if (((inst.instruction & 0x7007) == N16_LHP)
+ || ((inst.instruction & 0x7007) == N16_SHP))
+ {
+ inst.relax_inst |= ((inst.instruction >> 8) & 0xf) << 20 | 2 << 15
+ | (((inst.instruction >> 3) & 0x1f) << 1);
+ }
+ else if (((inst.instruction & 0x7007) == N16_LWP)
+ || ((inst.instruction & 0x7007) == N16_SWP))
+ {
+ inst.relax_inst |= ((inst.instruction >> 8) & 0xf) << 20 | 2 << 15
+ | (((inst.instruction >> 3) & 0x1f) << 2);
+ }
+ else if (((inst.instruction & 0x7007) == N16_LBUP)
+ || ((inst.instruction & 0x7007) == N16_SBP))
+ {
+ inst.relax_inst |= ((inst.instruction >> 8) & 0xf) << 20 | 2 << 15
+ | (((inst.instruction >> 3) & 0x1f));
+ }
+
+ inst.relax_size = 4;
+ }
+}
+
+static void
+do16_push_pop (char *str)
+{
+ int reg_rd;
+ int H_bit_mask = 0;
+
+ skip_whitespace (str);
+ if (((reg_rd = reg_required_here (&str, 8, REG_TYPE_SCORE)) == (int) FAIL)
+ || (skip_past_comma (&str) == (int) FAIL))
+ return;
+
+ if (reg_rd >= 16)
+ H_bit_mask = 1;
+
+ /* reg_required_here will change bit 12 of opcode, so we must restore bit 12. */
+ inst.instruction &= ~(1 << 12);
+
+ inst.instruction |= H_bit_mask << 7;
+
+ if (*str == '[')
+ {
+ int reg;
+
+ str++;
+ skip_whitespace (str);
+ if ((reg = reg_required_here (&str, 4, REG_TYPE_SCORE)) == (int) FAIL)
+ return;
+ else if (reg > 7)
+ {
+ if (!inst.error)
+ inst.error = _("base register nums are over 3 bit");
+
+ return;
+ }
+
+ skip_whitespace (str);
+ if ((*str++ != ']') || (end_of_line (str) == (int) FAIL))
+ {
+ if (!inst.error)
+ inst.error = _("missing ]");
+
+ return;
+ }
+
+ /* pop! */
+ if ((inst.instruction & 0xf) == 0xa)
+ {
+ if (H_bit_mask)
+ {
+ inst.relax_inst |= ((((inst.instruction >> 8) & 0xf) | 0x10) << 20)
+ | (((inst.instruction >> 4) & 0x7) << 15) | (4 << 3);
+ }
+ else
+ {
+ inst.relax_inst |= (((inst.instruction >> 8) & 0xf) << 20)
+ | (((inst.instruction >> 4) & 0x7) << 15) | (4 << 3);
+ }
+ }
+ /* push! */
+ else
+ {
+ if (H_bit_mask)
+ {
+ inst.relax_inst |= ((((inst.instruction >> 8) & 0xf) | 0x10) << 20)
+ | (((inst.instruction >> 4) & 0x7) << 15) | (((-4) & 0xfff) << 3);
+ }
+ else
+ {
+ inst.relax_inst |= (((inst.instruction >> 8) & 0xf) << 20)
+ | (((inst.instruction >> 4) & 0x7) << 15) | (((-4) & 0xfff) << 3);
+ }
+ }
+ inst.relax_size = 4;
+ }
+ else
+ {
+ inst.error = BAD_ARGS;
+ }
+}
+
+/* Handle lcb/lcw/lce/scb/scw/sce. */
+static void
+do_ldst_unalign (char *str)
+{
+ int conflict_reg;
+
+ if (university_version == 1)
+ {
+ inst.error = ERR_FOR_SCORE5U_ATOMIC;
+ return;
+ }
+
+ skip_whitespace (str);
+
+ /* lcb/scb [rA]+. */
+ if (*str == '[')
+ {
+ str++;
+ skip_whitespace (str);
+
+ if (reg_required_here (&str, 15, REG_TYPE_SCORE) == (int) FAIL)
+ return;
+
+ if (*str++ == ']')
+ {
+ if (*str++ != '+')
+ {
+ inst.error = _("missing +");
+ return;
+ }
+ }
+ else
+ {
+ inst.error = _("missing ]");
+ return;
+ }
+
+ if (end_of_line (str) == (int) FAIL)
+ return;
+ }
+ /* lcw/lce/scb/sce rD, [rA]+. */
+ else
+ {
+ if (((conflict_reg = reg_required_here (&str, 20, REG_TYPE_SCORE)) == (int) FAIL)
+ || (skip_past_comma (&str) == (int) FAIL))
+ {
+ return;
+ }
+
+ skip_whitespace (str);
+ if (*str++ == '[')
+ {
+ int reg;
+
+ skip_whitespace (str);
+ if ((reg = reg_required_here (&str, 15, REG_TYPE_SCORE)) == (int) FAIL)
+ {
+ return;
+ }
+
+ /* Conflicts can occur on stores as well as loads. */
+ conflict_reg = (conflict_reg == reg);
+ skip_whitespace (str);
+ if (*str++ == ']')
+ {
+ unsigned int ldst_func = inst.instruction & LDST_UNALIGN_MASK;
+
+ if (*str++ == '+')
+ {
+ if (conflict_reg)
+ {
+ as_warn (_("%s register same as write-back base"),
+ ((ldst_func & UA_LCE) || (ldst_func & UA_LCW)
+ ? _("destination") : _("source")));
+ }
+ }
+ else
+ {
+ inst.error = _("missing +");
+ return;
+ }
+
+ if (end_of_line (str) == (int) FAIL)
+ return;
+ }
+ else
+ {
+ inst.error = _("missing ]");
+ return;
+ }
+ }
+ else
+ {
+ inst.error = BAD_ARGS;
+ return;
+ }
+ }
+}
+
+/* Handle alw/asw. */
+static void
+do_ldst_atomic (char *str)
+{
+ if (university_version == 1)
+ {
+ inst.error = ERR_FOR_SCORE5U_ATOMIC;
+ return;
+ }
+
+ skip_whitespace (str);
+
+ if ((reg_required_here (&str, 20, REG_TYPE_SCORE) == (int) FAIL)
+ || (skip_past_comma (&str) == (int) FAIL))
+ {
+ return;
+ }
+ else
+ {
+
+ skip_whitespace (str);
+ if (*str++ == '[')
+ {
+ int reg;
+
+ skip_whitespace (str);
+ if ((reg = reg_required_here (&str, 15, REG_TYPE_SCORE)) == (int) FAIL)
+ {
+ return;
+ }
+
+ skip_whitespace (str);
+ if (*str++ != ']')
+ {
+ inst.error = _("missing ]");
+ return;
+ }
+
+ end_of_line (str);
+ }
+ else
+ inst.error = BAD_ARGS;
+ }
+}
+
+static void
+build_relax_frag (struct score_it fix_insts[RELAX_INST_NUM], int fix_num ATTRIBUTE_UNUSED,
+ struct score_it var_insts[RELAX_INST_NUM], int var_num,
+ symbolS *add_symbol)
+{
+ int i;
+ char *p;
+ fixS *fixp = NULL;
+ fixS *head_fixp = NULL;
+ long where;
+ struct score_it inst_main;
+
+ memcpy (&inst_main, &fix_insts[0], sizeof (struct score_it));
+
+ /* Adjust instruction opcode and to be relaxed instruction opcode. */
+ inst_main.instruction = adjust_paritybit (inst_main.instruction, GET_INSN_CLASS (inst_main.type));
+ inst_main.type = Insn_PIC;
+
+ for (i = 0; i < var_num; i++)
+ {
+ inst_main.relax_size += var_insts[i].size;
+ var_insts[i].instruction = adjust_paritybit (var_insts[i].instruction,
+ GET_INSN_CLASS (var_insts[i].type));
+ }
+
+ /* Check data dependency. */
+ handle_dependency (&inst_main);
+
+ /* Start a new frag if frag_now is not empty. */
+ if (frag_now_fix () != 0)
+ {
+ if (!frag_now->tc_frag_data.is_insn)
+ {
+ frag_wane (frag_now);
+ }
+ frag_new (0);
+ }
+ frag_grow (20);
+
+ /* Write fr_fix part. */
+ p = frag_more (inst_main.size);
+ md_number_to_chars (p, inst_main.instruction, inst_main.size);
+
+ if (inst_main.reloc.type != BFD_RELOC_NONE)
+ {
+ fixp = fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size,
+ &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type);
+ }
+
+ head_fixp = xmalloc (sizeof (fixS *));
+ frag_now->tc_frag_data.fixp = head_fixp;
+
+ if (fixp)
+ {
+ head_fixp->fx_next = fixp;
+ head_fixp = head_fixp->fx_next;
+ }
+
+#ifdef OBJ_ELF
+ dwarf2_emit_insn (inst_main.size);
+#endif
+
+ where = p - frag_now->fr_literal + inst_main.size;
+ for (i = 0; i < var_num; i++)
+ {
+ if (i > 0)
+ where += var_insts[i - 1].size;
+
+ if (var_insts[i].reloc.type != BFD_RELOC_NONE)
+ {
+ fixp = fix_new_score (frag_now, where, var_insts[i].size,
+ &var_insts[i].reloc.exp, var_insts[i].reloc.pc_rel,
+ var_insts[i].reloc.type);
+ if (fixp)
+ {
+ head_fixp->fx_next = fixp;
+ head_fixp = head_fixp->fx_next;
+ }
+ }
+ }
+
+ head_fixp = frag_now->tc_frag_data.fixp;
+ frag_now->tc_frag_data.fixp = head_fixp->fx_next;
+ free (head_fixp);
+
+ p = frag_var (rs_machine_dependent, inst_main.relax_size + RELAX_PAD_BYTE, 0,
+ RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type,
+ 0, inst_main.size, 0), add_symbol, 0, NULL);
+
+ /* Write fr_var part.
+ no calling gen_insn_frag, no fixS will be generated. */
+ for (i = 0; i < var_num; i++)
+ {
+ md_number_to_chars (p, var_insts[i].instruction, var_insts[i].size);
+ p += var_insts[i].size;
+ }
+ /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
+ inst.bwarn = -1;
+}
+
+/* Build a relax frag for la instruction when generating PIC,
+ external symbol first and local symbol second. */
+
+static void
+build_la_pic (int reg_rd, expressionS exp)
+{
+ symbolS *add_symbol = exp.X_add_symbol;
+ offsetT add_number = exp.X_add_number;
+ struct score_it fix_insts[RELAX_INST_NUM];
+ struct score_it var_insts[RELAX_INST_NUM];
+ int fix_num = 0;
+ int var_num = 0;
+ char tmp[MAX_LITERAL_POOL_SIZE];
+ int r1_bak;
+
+ r1_bak = nor1;
+ nor1 = 0;
+
+ if (add_number == 0)
+ {
+ fix_num = 1;
+ var_num = 2;
+
+ /* Insn 1 and Insn 2 */
+ /* Fix part
+ For an external symbol: lw rD, <sym>($gp)
+ (BFD_RELOC_SCORE_GOT15 or BFD_RELOC_SCORE_CALL15) */
+ sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name);
+ if (append_insn (tmp, FALSE) == (int) FAIL)
+ return;
+
+ if (reg_rd == PIC_CALL_REG)
+ inst.reloc.type = BFD_RELOC_SCORE_CALL15;
+ memcpy (&fix_insts[0], &inst, sizeof (struct score_it));
+
+ /* Var part
+ For a local symbol :
+ lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15)
+ addi rD, <sym> (BFD_RELOC_GOT_LO16) */
+ inst.reloc.type = BFD_RELOC_SCORE_GOT15;
+ memcpy (&var_insts[0], &inst, sizeof (struct score_it));
+ sprintf (tmp, "addi_s_pic r%d, %s", reg_rd, add_symbol->bsym->name);
+ if (append_insn (tmp, FALSE) == (int) FAIL)
+ return;
+
+ memcpy (&var_insts[1], &inst, sizeof (struct score_it));
+ build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol);
+ }
+ else if (add_number >= -0x8000 && add_number <= 0x7fff)
+ {
+ /* Insn 1: lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) */
+ sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name);
+ if (append_insn (tmp, TRUE) == (int) FAIL)
+ return;
+
+ /* Insn 2 */
+ fix_num = 1;
+ var_num = 1;
+ /* Fix part
+ For an external symbol: addi rD, <constant> */
+ sprintf (tmp, "addi r%d, %d", reg_rd, (int)add_number);
+ if (append_insn (tmp, FALSE) == (int) FAIL)
+ return;
+
+ memcpy (&fix_insts[0], &inst, sizeof (struct score_it));
+
+ /* Var part
+ For a local symbol: addi rD, <sym>+<constant> (BFD_RELOC_GOT_LO16) */
+ sprintf (tmp, "addi_s_pic r%d, %s + %d", reg_rd, add_symbol->bsym->name, (int)add_number);
+ if (append_insn (tmp, FALSE) == (int) FAIL)
+ return;
+
+ memcpy (&var_insts[0], &inst, sizeof (struct score_it));
+ build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol);
+ }
+ else
+ {
+ int hi = (add_number >> 16) & 0x0000FFFF;
+ int lo = add_number & 0x0000FFFF;
+
+ /* Insn 1: lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) */
+ sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name);
+ if (append_insn (tmp, TRUE) == (int) FAIL)
+ return;
+
+ /* Insn 2 */
+ fix_num = 1;
+ var_num = 1;
+ /* Fix part
+ For an external symbol: ldis r1, HI%<constant> */
+ sprintf (tmp, "ldis %s, %d", "r1", hi);
+ if (append_insn (tmp, FALSE) == (int) FAIL)
+ return;
+
+ memcpy (&fix_insts[0], &inst, sizeof (struct score_it));
+
+ /* Var part
+ For a local symbol: ldis r1, HI%<constant>
+ but, if lo is outof 16 bit, make hi plus 1 */
+ if ((lo < -0x8000) || (lo > 0x7fff))
+ {
+ hi += 1;
+ }
+ sprintf (tmp, "ldis_pic %s, %d", "r1", hi);
+ if (append_insn (tmp, FALSE) == (int) FAIL)
+ return;
+
+ memcpy (&var_insts[0], &inst, sizeof (struct score_it));
+ build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol);
+
+ /* Insn 3 */
+ fix_num = 1;
+ var_num = 1;
+ /* Fix part
+ For an external symbol: ori r1, LO%<constant> */
+ sprintf (tmp, "ori %s, %d", "r1", lo);
+ if (append_insn (tmp, FALSE) == (int) FAIL)
+ return;
+
+ memcpy (&fix_insts[0], &inst, sizeof (struct score_it));
+
+ /* Var part
+ For a local symbol: addi r1, <sym>+LO%<constant> (BFD_RELOC_GOT_LO16) */
+ sprintf (tmp, "addi_u_pic %s, %s + %d", "r1", add_symbol->bsym->name, lo);
+ if (append_insn (tmp, FALSE) == (int) FAIL)
+ return;
+
+ memcpy (&var_insts[0], &inst, sizeof (struct score_it));
+ build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol);
+
+ /* Insn 4: add rD, rD, r1 */
+ sprintf (tmp, "add r%d, r%d, %s", reg_rd, reg_rd, "r1");
+ if (append_insn (tmp, TRUE) == (int) FAIL)
+ return;
+
+ /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
+ inst.bwarn = -1;
+ }
+
+ nor1 = r1_bak;
+}
+
+/* Handle la. */
+static void
+do_macro_la_rdi32 (char *str)
+{
+ int reg_rd;
+
+ skip_whitespace (str);
+ if ((reg_rd = reg_required_here (&str, 20, REG_TYPE_SCORE)) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL)
+ {
+ return;
+ }
+ else
+ {
+ char append_str[MAX_LITERAL_POOL_SIZE];
+ char *keep_data = str;
+
+ /* la rd, simm16. */
+ if (data_op2 (&str, 1, _SIMM16_LA) != (int) FAIL)
+ {
+ end_of_line (str);
+ return;
+ }
+ /* la rd, imm32 or la rd, label. */
+ else
+ {
+ SET_INSN_ERROR (NULL);
+ str = keep_data;
+ if ((data_op2 (&str, 1, _VALUE_HI16) == (int) FAIL)
+ || (end_of_line (str) == (int) FAIL))
+ {
+ return;
+ }
+ else
+ {
+ if ((score_pic == NO_PIC) || (!inst.reloc.exp.X_add_symbol))
+ {
+ sprintf (append_str, "ld_i32hi r%d, %s", reg_rd, keep_data);
+ if (append_insn (append_str, TRUE) == (int) FAIL)
+ return;
+
+ sprintf (append_str, "ld_i32lo r%d, %s", reg_rd, keep_data);
+ if (append_insn (append_str, TRUE) == (int) FAIL)
+ return;
+ }
+ else
+ {
+ assert (inst.reloc.exp.X_add_symbol);
+ build_la_pic (reg_rd, inst.reloc.exp);
+ }
+
+ /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
+ inst.bwarn = -1;
+ }
+ }
+ }
+}
+
+/* Handle li. */
+static void
+do_macro_li_rdi32 (char *str){
+
+ int reg_rd;
+
+ skip_whitespace (str);
+ if ((reg_rd = reg_required_here (&str, 20, REG_TYPE_SCORE)) == (int) FAIL
+ || skip_past_comma (&str) == (int) FAIL)
+ {
+ return;
+ }
+ else
+ {
+ char *keep_data = str;
+
+ /* li rd, simm16. */
+ if (data_op2 (&str, 1, _SIMM16_LA) != (int) FAIL)
+ {
+ end_of_line (str);
+ return;
+ }
+ /* li rd, imm32. */
+ else
+ {
+ char append_str[MAX_LITERAL_POOL_SIZE];
+
+ str = keep_data;
+
+ if ((data_op2 (&str, 1, _VALUE_HI16) == (int) FAIL)
+ || (end_of_line (str) == (int) FAIL))
+ {
+ return;
+ }
+ else if (inst.reloc.exp.X_add_symbol)
+ {
+ inst.error = _("li rd label isn't correct instruction form");
+ return;
+ }
+ else
+ {
+ sprintf (append_str, "ld_i32hi r%d, %s", reg_rd, keep_data);
+
+ if (append_insn (append_str, TRUE) == (int) FAIL)
+ return;
+ else
+ {
+ sprintf (append_str, "ld_i32lo r%d, %s", reg_rd, keep_data);
+ if (append_insn (append_str, TRUE) == (int) FAIL)
+ return;
+
+ /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
+ inst.bwarn = -1;
+ }
+ }
+ }
+ }
+}
+
+/* Handle mul/mulu/div/divu/rem/remu. */
+static void
+do_macro_mul_rdrsrs (char *str)
+{
+ int reg_rd;
+ int reg_rs1;
+ int reg_rs2;
+ char *backupstr;
+ char append_str[MAX_LITERAL_POOL_SIZE];
+
+ if (university_version == 1)
+ as_warn ("%s", ERR_FOR_SCORE5U_MUL_DIV);
+
+ strcpy (append_str, str);
+ backupstr = append_str;
+ skip_whitespace (backupstr);
+ if (((reg_rd = reg_required_here (&backupstr, -1, REG_TYPE_SCORE)) == (int) FAIL)
+ || (skip_past_comma (&backupstr) == (int) FAIL)
+ || ((reg_rs1 = reg_required_here (&backupstr, -1, REG_TYPE_SCORE)) == (int) FAIL))
+ {
+ inst.error = BAD_ARGS;
+ return;
+ }
+
+ if (skip_past_comma (&backupstr) == (int) FAIL)
+ {
+ /* rem/remu rA, rB is error format. */
+ if (strcmp (inst.name, "rem") == 0 || strcmp (inst.name, "remu") == 0)
+ {
+ SET_INSN_ERROR (BAD_ARGS);
+ }
+ else
+ {
+ SET_INSN_ERROR (NULL);
+ do_rsrs (str);
+ }
+ return;
+ }
+ else
+ {
+ SET_INSN_ERROR (NULL);
+ if (((reg_rs2 = reg_required_here (&backupstr, -1, REG_TYPE_SCORE)) == (int) FAIL)
+ || (end_of_line (backupstr) == (int) FAIL))
+ {
+ return;
+ }
+ else
+ {
+ char append_str1[MAX_LITERAL_POOL_SIZE];
+
+ if (strcmp (inst.name, "rem") == 0)
+ {
+ sprintf (append_str, "%s r%d, r%d", "mul", reg_rs1, reg_rs2);
+ sprintf (append_str1, "mfceh r%d", reg_rd);
+ }
+ else if (strcmp (inst.name, "remu") == 0)
+ {
+ sprintf (append_str, "%s r%d, r%d", "mulu", reg_rs1, reg_rs2);
+ sprintf (append_str1, "mfceh r%d", reg_rd);
+ }
+ else
+ {
+ sprintf (append_str, "%s r%d, r%d", inst.name, reg_rs1, reg_rs2);
+ sprintf (append_str1, "mfcel r%d", reg_rd);
+ }
+
+ /* Output mul/mulu or div/divu or rem/remu. */
+ if (append_insn (append_str, TRUE) == (int) FAIL)
+ return;
+
+ /* Output mfcel or mfceh. */
+ if (append_insn (append_str1, TRUE) == (int) FAIL)
+ return;
+
+ /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
+ inst.bwarn = -1;
+ }
+ }
+}
+
+static void
+exp_macro_ldst_abs (char *str)
+{
+ int reg_rd;
+ char *backupstr, *tmp;
+ char append_str[MAX_LITERAL_POOL_SIZE];
+ char verifystr[MAX_LITERAL_POOL_SIZE];
+ struct score_it inst_backup;
+ int r1_bak = 0;
+
+ r1_bak = nor1;
+ nor1 = 0;
+ memcpy (&inst_backup, &inst, sizeof (struct score_it));
+
+ strcpy (verifystr, str);
+ backupstr = verifystr;
+ skip_whitespace (backupstr);
+ if ((reg_rd = reg_required_here (&backupstr, -1, REG_TYPE_SCORE)) == (int) FAIL)
+ return;
+
+ tmp = backupstr;
+ if (skip_past_comma (&backupstr) == (int) FAIL)
+ return;
+
+ backupstr = tmp;
+ sprintf (append_str, "li r1 %s", backupstr);
+ append_insn (append_str, TRUE);
+
+ memcpy (&inst, &inst_backup, sizeof (struct score_it));
+ sprintf (append_str, " r%d, [r1,0]", reg_rd);
+ do_ldst_insn (append_str);
+
+ nor1 = r1_bak;
+}
+
+static int
+nopic_need_relax (symbolS * sym, int before_relaxing)
+{
+ if (sym == NULL)
+ return 0;
+ else if (USE_GLOBAL_POINTER_OPT && g_switch_value > 0)
+ {
+ const char *symname;
+ const char *segname;
+
+ /* Find out whether this symbol can be referenced off the $gp
+ register. It can be if it is smaller than the -G size or if
+ it is in the .sdata or .sbss section. Certain symbols can
+ not be referenced off the $gp, although it appears as though
+ they can. */
+ symname = S_GET_NAME (sym);
+ if (symname != (const char *)NULL
+ && (strcmp (symname, "eprol") == 0
+ || strcmp (symname, "etext") == 0
+ || strcmp (symname, "_gp") == 0
+ || strcmp (symname, "edata") == 0
+ || strcmp (symname, "_fbss") == 0
+ || strcmp (symname, "_fdata") == 0
+ || strcmp (symname, "_ftext") == 0
+ || strcmp (symname, "end") == 0
+ || strcmp (symname, GP_DISP_LABEL) == 0))
+ {
+ return 1;
+ }
+ else if ((!S_IS_DEFINED (sym) || S_IS_COMMON (sym)) && (0
+ /* We must defer this decision until after the whole file has been read,
+ since there might be a .extern after the first use of this symbol. */
+ || (before_relaxing
+ && S_GET_VALUE (sym) == 0)
+ || (S_GET_VALUE (sym) != 0
+ && S_GET_VALUE (sym) <= g_switch_value)))
+ {
+ return 0;
+ }
+
+ segname = segment_name (S_GET_SEGMENT (sym));
+ return (strcmp (segname, ".sdata") != 0
+ && strcmp (segname, ".sbss") != 0
+ && strncmp (segname, ".sdata.", 7) != 0
+ && strncmp (segname, ".gnu.linkonce.s.", 16) != 0);
+ }
+ /* We are not optimizing for the $gp register. */
+ else
+ return 1;
+}
+
+/* Build a relax frag for lw instruction when generating PIC,
+ external symbol first and local symbol second. */
+
+static void
+build_lw_pic (int reg_rd, expressionS exp)
+{
+ symbolS *add_symbol = exp.X_add_symbol;
+ int add_number = exp.X_add_number;
+ struct score_it fix_insts[RELAX_INST_NUM];
+ struct score_it var_insts[RELAX_INST_NUM];
+ int fix_num = 0;
+ int var_num = 0;
+ char tmp[MAX_LITERAL_POOL_SIZE];
+ int r1_bak;
+
+ r1_bak = nor1;
+ nor1 = 0;
+
+ if ((add_number == 0) || (add_number >= -0x8000 && add_number <= 0x7fff))
+ {
+ fix_num = 1;
+ var_num = 2;
+
+ /* Insn 1 and Insn 2 */
+ /* Fix part
+ For an external symbol: lw rD, <sym>($gp)
+ (BFD_RELOC_SCORE_GOT15) */
+ sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name);
+ if (append_insn (tmp, FALSE) == (int) FAIL)
+ return;
+
+ memcpy (&fix_insts[0], &inst, sizeof (struct score_it));
+
+ /* Var part
+ For a local symbol :
+ lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15)
+ addi rD, <sym> (BFD_RELOC_GOT_LO16) */
+ inst.reloc.type = BFD_RELOC_SCORE_GOT15;
+ memcpy (&var_insts[0], &inst, sizeof (struct score_it));
+ sprintf (tmp, "addi_s_pic r%d, %s", reg_rd, add_symbol->bsym->name);
+ if (append_insn (tmp, FALSE) == (int) FAIL)
+ return;
+
+ memcpy (&var_insts[1], &inst, sizeof (struct score_it));
+ build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol);
+
+ /* Insn 2: lw rD, [rD, constant] */
+ sprintf (tmp, "lw r%d, [r%d, %d]", reg_rd, reg_rd, add_number);
+ if (append_insn (tmp, TRUE) == (int) FAIL)
+ return;
+
+ /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
+ inst.bwarn = -1;
+ }
+ else
+ {
+ int hi = (add_number >> 16) & 0x0000FFFF;
+ int lo = add_number & 0x0000FFFF;
+
+ /* Insn 1: lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) */
+ sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name);
+ if (append_insn (tmp, TRUE) == (int) FAIL)
+ return;
+
+ /* Insn 2 */
+ fix_num = 1;
+ var_num = 1;
+ /* Fix part
+ For an external symbol: ldis r1, HI%<constant> */
+ sprintf (tmp, "ldis %s, %d", "r1", hi);
+ if (append_insn (tmp, FALSE) == (int) FAIL)
+ return;
+
+ memcpy (&fix_insts[0], &inst, sizeof (struct score_it));
+
+ /* Var part
+ For a local symbol: ldis r1, HI%<constant>
+ but, if lo is outof 16 bit, make hi plus 1 */
+ if ((lo < -0x8000) || (lo > 0x7fff))
+ {
+ hi += 1;
+ }
+ sprintf (tmp, "ldis_pic %s, %d", "r1", hi);
+ if (append_insn (tmp, FALSE) == (int) FAIL)
+ return;
+
+ memcpy (&var_insts[0], &inst, sizeof (struct score_it));
+ build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol);
+
+ /* Insn 3 */
+ fix_num = 1;
+ var_num = 1;
+ /* Fix part
+ For an external symbol: ori r1, LO%<constant> */
+ sprintf (tmp, "ori %s, %d", "r1", lo);
+ if (append_insn (tmp, FALSE) == (int) FAIL)
+ return;
+
+ memcpy (&fix_insts[0], &inst, sizeof (struct score_it));
+
+ /* Var part
+ For a local symbol: addi r1, <sym>+LO%<constant> (BFD_RELOC_GOT_LO16) */
+ sprintf (tmp, "addi_u_pic %s, %s + %d", "r1", add_symbol->bsym->name, lo);
+ if (append_insn (tmp, FALSE) == (int) FAIL)
+ return;
+
+ memcpy (&var_insts[0], &inst, sizeof (struct score_it));
+ build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol);
+
+ /* Insn 4: add rD, rD, r1 */
+ sprintf (tmp, "add r%d, r%d, %s", reg_rd, reg_rd, "r1");
+ if (append_insn (tmp, TRUE) == (int) FAIL)
+ return;
+
+ /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
+ inst.bwarn = -1;
+
+ /* Insn 5: lw rD, [rD, 0] */
+ sprintf (tmp, "lw r%d, [r%d, 0]", reg_rd, reg_rd);
+ if (append_insn (tmp, TRUE) == (int) FAIL)
+ return;
+
+ /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
+ inst.bwarn = -1;
+ }
+
+ nor1 = r1_bak;
+}
+
+static void
+do_macro_ldst_label (char *str)
+{
+ int i;
+ int ldst_gp_p = 0;
+ int reg_rd;
+ int r1_bak;
+ char *backup_str;
+ char *label_str;
+ char *absolute_value;
+ char append_str[3][MAX_LITERAL_POOL_SIZE];
+ char verifystr[MAX_LITERAL_POOL_SIZE];
+ struct score_it inst_backup;
+ struct score_it inst_expand[3];
+ struct score_it inst_main;
+
+ memcpy (&inst_backup, &inst, sizeof (struct score_it));
+ strcpy (verifystr, str);
+ backup_str = verifystr;
+
+ skip_whitespace (backup_str);
+ if ((reg_rd = reg_required_here (&backup_str, -1, REG_TYPE_SCORE)) == (int) FAIL)
+ return;
+
+ if (skip_past_comma (&backup_str) == (int) FAIL)
+ return;
+
+ label_str = backup_str;
+
+ /* Ld/st rD, [rA, imm] ld/st rD, [rA]+, imm ld/st rD, [rA, imm]+. */
+ if (*backup_str == '[')
+ {
+ do_ldst_insn (str);
+ return;
+ }
+
+ /* Ld/st rD, imm. */
+ absolute_value = backup_str;
+ if ((my_get_expression (&inst.reloc.exp, &backup_str) == (int) FAIL)
+ || (validate_immediate (inst.reloc.exp.X_add_number, _VALUE) == (int) FAIL)
+ || (end_of_line (backup_str) == (int) FAIL))
+ {
+ return;
+ }
+ else
+ {
+ if (inst.reloc.exp.X_add_symbol == 0)
+ {
+ memcpy (&inst, &inst_backup, sizeof (struct score_it));
+ exp_macro_ldst_abs (str);
+ return;
+ }
+ }
+
+ /* Ld/st rD, label. */
+ backup_str = absolute_value;
+ if ((data_op2 (&backup_str, 1, _GP_IMM15) == (int) FAIL)
+ || (end_of_line (backup_str) == (int) FAIL))
+ {
+ return;
+ }
+ else
+ {
+ if (inst.reloc.exp.X_add_symbol == 0)
+ {
+ if (!inst.error)
+ inst.error = BAD_ARGS;
+
+ return;
+ }
+
+ if (score_pic == PIC)
+ {
+ build_lw_pic (reg_rd, inst.reloc.exp);
+ return;
+ }
+ else
+ {
+ if ((inst.reloc.exp.X_add_number <= 0x3fff)
+ && (inst.reloc.exp.X_add_number >= -0x4000)
+ && (!nopic_need_relax (inst.reloc.exp.X_add_symbol, 1)))
+ {
+ int ldst_idx = 0;
+
+ /* Assign the real opcode. */
+ ldst_idx = inst.instruction & OPC_PSEUDOLDST_MASK;
+ inst.instruction &= ~OPC_PSEUDOLDST_MASK;
+ inst.instruction |= score_ldst_insns[ldst_idx * 3 + 0].value;
+ inst.instruction |= reg_rd << 20;
+ inst.instruction |= GP << 15;
+ inst.relax_inst = 0x8000;
+ inst.relax_size = 0;
+ ldst_gp_p = 1;
+ }
+ }
+ }
+
+ /* Backup inst. */
+ memcpy (&inst_main, &inst, sizeof (struct score_it));
+ r1_bak = nor1;
+ nor1 = 0;
+
+ /* Determine which instructions should be output. */
+ sprintf (append_str[0], "ld_i32hi r1, %s", label_str);
+ sprintf (append_str[1], "ld_i32lo r1, %s", label_str);
+ sprintf (append_str[2], "%s r%d, [r1, 0]", inst_backup.name, reg_rd);
+
+ /* Generate three instructions.
+ la r1, label
+ ld/st rd, [r1, 0] */
+ for (i = 0; i < 3; i++)
+ {
+ if (append_insn (append_str[i], FALSE) == (int) FAIL)
+ return;
+
+ memcpy (&inst_expand[i], &inst, sizeof (struct score_it));
+ }
+
+ if (ldst_gp_p)
+ {
+ char *p;
+
+ /* Adjust instruction opcode and to be relaxed instruction opcode. */
+ inst_main.instruction = adjust_paritybit (inst_main.instruction, GET_INSN_CLASS (inst_main.type));
+ inst_main.relax_size = inst_expand[0].size + inst_expand[1].size + inst_expand[2].size;
+ inst_main.type = Insn_GP;
+
+ for (i = 0; i < 3; i++)
+ inst_expand[i].instruction = adjust_paritybit (inst_expand[i].instruction
+ , GET_INSN_CLASS (inst_expand[i].type));
+
+ /* Check data dependency. */
+ handle_dependency (&inst_main);
+
+ /* Start a new frag if frag_now is not empty. */
+ if (frag_now_fix () != 0)
+ {
+ if (!frag_now->tc_frag_data.is_insn)
+ frag_wane (frag_now);
+
+ frag_new (0);
+ }
+ frag_grow (20);
+
+ /* Write fr_fix part. */
+ p = frag_more (inst_main.size);
+ md_number_to_chars (p, inst_main.instruction, inst_main.size);
+
+ if (inst_main.reloc.type != BFD_RELOC_NONE)
+ {
+ fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size,
+ &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type);
+ }
+
+#ifdef OBJ_ELF
+ dwarf2_emit_insn (inst_main.size);
+#endif
+
+ /* GP instruction can not do optimization, only can do relax between
+ 1 instruction and 3 instructions. */
+ p = frag_var (rs_machine_dependent, inst_main.relax_size + RELAX_PAD_BYTE, 0,
+ RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type, 0, 4, 0),
+ inst_main.reloc.exp.X_add_symbol, 0, NULL);
+
+ /* Write fr_var part.
+ no calling gen_insn_frag, no fixS will be generated. */
+ md_number_to_chars (p, inst_expand[0].instruction, inst_expand[0].size);
+ p += inst_expand[0].size;
+ md_number_to_chars (p, inst_expand[1].instruction, inst_expand[1].size);
+ p += inst_expand[1].size;
+ md_number_to_chars (p, inst_expand[2].instruction, inst_expand[2].size);
+ }
+ else
+ {
+ gen_insn_frag (&inst_expand[0], NULL);
+ gen_insn_frag (&inst_expand[1], NULL);
+ gen_insn_frag (&inst_expand[2], NULL);
+ }
+ nor1 = r1_bak;
+
+ /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
+ inst.bwarn = -1;
+}
+
+static void
+do_lw_pic (char *str)
+{
+ int reg_rd;
+
+ skip_whitespace (str);
+ if (((reg_rd = reg_required_here (&str, 20, REG_TYPE_SCORE)) == (int) FAIL)
+ || (skip_past_comma (&str) == (int) FAIL)
+ || (my_get_expression (&inst.reloc.exp, &str) == (int) FAIL)
+ || (end_of_line (str) == (int) FAIL))
+ {
+ return;
+ }
+ else
+ {
+ if (inst.reloc.exp.X_add_symbol == 0)
+ {
+ if (!inst.error)
+ inst.error = BAD_ARGS;
+
+ return;
+ }
+
+ inst.instruction |= GP << 15;
+ inst.reloc.type = BFD_RELOC_SCORE_GOT15;
+ }
+}
+
+static void
+do_empty (char *str)
+{
+ str = str;
+ if (university_version == 1)
+ {
+ if (((inst.instruction & 0x3e0003ff) == 0x0c000004)
+ || ((inst.instruction & 0x3e0003ff) == 0x0c000024)
+ || ((inst.instruction & 0x3e0003ff) == 0x0c000044)
+ || ((inst.instruction & 0x3e0003ff) == 0x0c000064))
+ {
+ inst.error = ERR_FOR_SCORE5U_MMU;
+ return;
+ }
+ }
+ if (end_of_line (str) == (int) FAIL)
+ return;
+
+ if (inst.relax_inst != 0x8000)
+ {
+ if (inst.type == NO_OPD)
+ {
+ inst.relax_size = 2;
+ }
+ else
+ {
+ inst.relax_size = 4;
+ }
+ }
+}
+
+static void
+do_jump (char *str)
+{
+ char *save_in;
+ char err_msg[100];
+
+ skip_whitespace (str);
+ if (my_get_expression (&inst.reloc.exp, &str) == (int) FAIL
+ || end_of_line (str) == (int) FAIL)
+ return;
+
+ if (inst.reloc.exp.X_add_symbol == 0)
+ {
+ inst.error = _("lacking label ");
+ return;
+ }
+
+ if (((inst.reloc.exp.X_add_number & 0xff000000) != 0)
+ && ((inst.reloc.exp.X_add_number & 0xff000000) != 0xff000000))
+ {
+ sprintf (err_msg, "invalid constant: 25 bit expression not in range -2^24..2^24");
+ inst.error = _(err_msg);
+ return;
+ }
+
+ save_in = input_line_pointer;
+ input_line_pointer = str;
+ inst.reloc.type = BFD_RELOC_SCORE_JMP;
+ inst.reloc.pc_rel = 1;
+ input_line_pointer = save_in;
+}
+
+static void
+do16_jump (char *str)
+{
+ skip_whitespace (str);
+ if (my_get_expression (&inst.reloc.exp, &str) == (int) FAIL
+ || end_of_line (str) == (int) FAIL)
+ {
+ return;
+ }
+ else if (inst.reloc.exp.X_add_symbol == 0)
+ {
+ inst.error = _("lacking label ");
+ return;
+ }
+ else if (((inst.reloc.exp.X_add_number & 0xfffff800) != 0)
+ && ((inst.reloc.exp.X_add_number & 0xfffff800) != 0xfffff800))
+ {
+ inst.error = _("invalid constant: 12 bit expression not in range -2^11..2^11");
+ return;
+ }
+
+ inst.reloc.type = BFD_RELOC_SCORE16_JMP;
+ inst.reloc.pc_rel = 1;
+}
+
+static void
+do_branch (char *str)
+{
+ unsigned long abs_value = 0;
+
+ if (my_get_expression (&inst.reloc.exp, &str) == (int) FAIL
+ || end_of_line (str) == (int) FAIL)
+ {
+ return;
+ }
+ else if (inst.reloc.exp.X_add_symbol == 0)
+ {
+ inst.error = _("lacking label ");
+ return;
+ }
+ else if (((inst.reloc.exp.X_add_number & 0xff000000) != 0)
+ && ((inst.reloc.exp.X_add_number & 0xff000000) != 0xff000000))
+ {
+ inst.error = "invalid constant: 20 bit expression not in range -2^19..2^19";
+ return;
+ }
+
+ inst.reloc.type = BFD_RELOC_SCORE_BRANCH;
+ inst.reloc.pc_rel = 1;
+
+ /* Branch 32 offset field : 20 bit, 16 bit branch offset field : 8 bit. */
+ inst.instruction |= (inst.reloc.exp.X_add_number & 0x3fe) | ((inst.reloc.exp.X_add_number & 0xffc00) << 5);
+
+ /* Take the branch condition code. */
+ inst.relax_inst = 0x4000 | (((inst.instruction >> 10) & 0xf) << 8);
+
+ if ((abs_value & 0xfffffe00) == 0)
+ {
+ inst.relax_inst |= ((inst.reloc.exp.X_add_number >> 1) & 0xff);
+ inst.relax_size = 2;
+ }
+ else
+ {
+ inst.relax_inst = 0x8000;
+ }
+
+ if (inst.instruction & 1)
+ inst.relax_inst = 0x8000;
+}
+
+static void
+do16_branch (char *str)
+{
+ if ((my_get_expression (&inst.reloc.exp, &str) == (int) FAIL
+ || end_of_line (str) == (int) FAIL))
+ {
+ ;
+ }
+ else if (inst.reloc.exp.X_add_symbol == 0)
+ {
+ inst.error = _("lacking label");
+ }
+ else if (((inst.reloc.exp.X_add_number & 0xffffff00) != 0)
+ && ((inst.reloc.exp.X_add_number & 0xffffff00) != 0xffffff00))
+ {
+ inst.error = _("invalid constant: 9 bit expression not in range -2^8..2^8");
+ }
+ else
+ {
+ inst.reloc.type = BFD_RELOC_SCORE16_BRANCH;
+ inst.reloc.pc_rel = 1;
+ inst.instruction |= ((inst.reloc.exp.X_add_number >> 1) & 0xff);
+ }
+}
+
+/* Iterate over the base tables to create the instruction patterns. */
+static void
+build_score_ops_hsh (void)
+{
+ unsigned int i;
+ static struct obstack insn_obstack;
+
+ obstack_begin (&insn_obstack, 4000);
+ for (i = 0; i < sizeof (score_insns) / sizeof (struct asm_opcode); i++)
+ {
+ const struct asm_opcode *insn = score_insns + i;
+ unsigned len = strlen (insn->template);
+ struct asm_opcode *new;
+ char *template;
+ new = obstack_alloc (&insn_obstack, sizeof (struct asm_opcode));
+ template = obstack_alloc (&insn_obstack, len + 1);
+
+ strcpy (template, insn->template);
+ new->template = template;
+ new->parms = insn->parms;
+ new->value = insn->value;
+ new->relax_value = insn->relax_value;
+ new->type = insn->type;
+ new->bitmask = insn->bitmask;
+ hash_insert (score_ops_hsh, new->template, (void *) new);
+ }
+}
+
+static void
+build_dependency_insn_hsh (void)
+{
+ unsigned int i;
+ static struct obstack dependency_obstack;
+
+ obstack_begin (&dependency_obstack, 4000);
+ for (i = 0; i < sizeof (insn_to_dependency_table) / sizeof (insn_to_dependency_table[0]); i++)
+ {
+ const struct insn_to_dependency *tmp = insn_to_dependency_table + i;
+ unsigned len = strlen (tmp->insn_name);
+ struct insn_to_dependency *new;
+
+ new = obstack_alloc (&dependency_obstack, sizeof (struct insn_to_dependency));
+ new->insn_name = obstack_alloc (&dependency_obstack, len + 1);
+
+ strcpy (new->insn_name, tmp->insn_name);
+ new->type = tmp->type;
+ hash_insert (dependency_insn_hsh, new->insn_name, (void *) new);
+ }
+}
+
+/* Turn an integer of n bytes (in val) into a stream of bytes appropriate
+ for use in the a.out file, and stores them in the array pointed to by buf.
+ This knows about the endian-ness of the target machine and does
+ THE RIGHT THING, whatever it is. Possible values for n are 1 (byte)
+ 2 (short) and 4 (long) Floating numbers are put out as a series of
+ LITTLENUMS (shorts, here at least). */
+
+void
+md_number_to_chars (char *buf, valueT val, int n)
+{
+ if (target_big_endian)
+ number_to_chars_bigendian (buf, val, n);
+ else
+ number_to_chars_littleendian (buf, val, n);
+}
+
+static valueT
+md_chars_to_number (char *buf, int n)
+{
+ valueT result = 0;
+ unsigned char *where = (unsigned char *)buf;
+
+ if (target_big_endian)
+ {
+ while (n--)
+ {
+ result <<= 8;
+ result |= (*where++ & 255);
+ }
+ }
+ else
+ {
+ while (n--)
+ {
+ result <<= 8;
+ result |= (where[n] & 255);
+ }
+ }
+
+ return result;
+}
+
+/* Turn a string in input_line_pointer into a floating point constant
+ of type TYPE, and store the appropriate bytes in *LITP. The number
+ of LITTLENUMS emitted is stored in *SIZEP. An error message is
+ returned, or NULL on OK.
+
+ Note that fp constants aren't represent in the normal way on the ARM.
+ In big endian mode, things are as expected. However, in little endian
+ mode fp constants are big-endian word-wise, and little-endian byte-wise
+ within the words. For example, (double) 1.1 in big endian mode is
+ the byte sequence 3f f1 99 99 99 99 99 9a, and in little endian mode is
+ the byte sequence 99 99 f1 3f 9a 99 99 99. */
+
+char *
+md_atof (int type, char *litP, int *sizeP)
+{
+ int prec;
+ LITTLENUM_TYPE words[MAX_LITTLENUMS];
+ char *t;
+ int i;
+
+ switch (type)
+ {
+ case 'f':
+ case 'F':
+ case 's':
+ case 'S':
+ prec = 2;
+ break;
+ case 'd':
+ case 'D':
+ case 'r':
+ case 'R':
+ prec = 4;
+ break;
+ case 'x':
+ case 'X':
+ case 'p':
+ case 'P':
+ prec = 6;
+ break;
+ default:
+ *sizeP = 0;
+ return _("bad call to MD_ATOF()");
+ }
+
+ t = atof_ieee (input_line_pointer, type, words);
+ if (t)
+ input_line_pointer = t;
+ *sizeP = prec * 2;
+
+ if (target_big_endian)
+ {
+ for (i = 0; i < prec; i++)
+ {
+ md_number_to_chars (litP, (valueT) words[i], 2);
+ litP += 2;
+ }
+ }
+ else
+ {
+ for (i = 0; i < prec; i += 2)
+ {
+ md_number_to_chars (litP, (valueT) words[i + 1], 2);
+ md_number_to_chars (litP + 2, (valueT) words[i], 2);
+ litP += 4;
+ }
+ }
+
+ return 0;
+}
+
+/* Return true if the given symbol should be considered local for PIC. */
+
+static bfd_boolean
+pic_need_relax (symbolS *sym, asection *segtype)
+{
+ asection *symsec;
+ bfd_boolean linkonce;
+
+ /* Handle the case of a symbol equated to another symbol. */
+ while (symbol_equated_reloc_p (sym))
+ {
+ symbolS *n;
+
+ /* It's possible to get a loop here in a badly written
+ program. */
+ n = symbol_get_value_expression (sym)->X_add_symbol;
+ if (n == sym)
+ break;
+ sym = n;
+ }
+
+ symsec = S_GET_SEGMENT (sym);
+
+ /* duplicate the test for LINK_ONCE sections as in adjust_reloc_syms */
+ linkonce = FALSE;
+ if (symsec != segtype && ! S_IS_LOCAL (sym))
+ {
+ if ((bfd_get_section_flags (stdoutput, symsec) & SEC_LINK_ONCE) != 0)
+ linkonce = TRUE;
+
+ /* The GNU toolchain uses an extension for ELF: a section
+ beginning with the magic string .gnu.linkonce is a linkonce
+ section. */
+ if (strncmp (segment_name (symsec), ".gnu.linkonce",
+ sizeof ".gnu.linkonce" - 1) == 0)
+ linkonce = TRUE;
+ }
+
+ /* This must duplicate the test in adjust_reloc_syms. */
+ return (symsec != &bfd_und_section
+ && symsec != &bfd_abs_section
+ && ! bfd_is_com_section (symsec)
+ && !linkonce
+#ifdef OBJ_ELF
+ /* A global or weak symbol is treated as external. */
+ && (OUTPUT_FLAVOR != bfd_target_elf_flavour
+ || (! S_IS_WEAK (sym) && ! S_IS_EXTERNAL (sym)))
+#endif
+ );
+}
+
+static int
+judge_size_before_relax (fragS * fragp, asection *sec)
+{
+ int change = 0;
+
+ if (score_pic == NO_PIC)
+ change = nopic_need_relax (fragp->fr_symbol, 0);
+ else
+ change = pic_need_relax (fragp->fr_symbol, sec);
+
+ if (change == 1)
+ {
+ /* Only at the first time determining whether GP instruction relax should be done,
+ return the difference between insntruction size and instruction relax size. */
+ if (fragp->fr_opcode == NULL)
+ {
+ fragp->fr_fix = RELAX_NEW (fragp->fr_subtype);
+ fragp->fr_opcode = fragp->fr_literal + RELAX_RELOC1 (fragp->fr_subtype);
+ return RELAX_NEW (fragp->fr_subtype) - RELAX_OLD (fragp->fr_subtype);
+ }
+ }
+
+ return 0;
+}
+
+/* In this function, we determine whether GP instruction should do relaxation,
+ for the label being against was known now.
+ Doing this here but not in md_relax_frag() can induce iteration times
+ in stage of doing relax. */
+int
+md_estimate_size_before_relax (fragS * fragp, asection * sec ATTRIBUTE_UNUSED)
+{
+ if ((RELAX_TYPE (fragp->fr_subtype) == Insn_GP)
+ || (RELAX_TYPE (fragp->fr_subtype) == Insn_PIC))
+ return judge_size_before_relax (fragp, sec);
+
+ return 0;
+}
+
+static int
+b32_relax_to_b16 (fragS * fragp)
+{
+ int grows = 0;
+ int relaxable_p = 0;
+ int old;
+ int new;
+ int frag_addr = fragp->fr_address + fragp->insn_addr;
+
+ addressT symbol_address = 0;
+ symbolS *s;
+ offsetT offset;
+ unsigned long value;
+ unsigned long abs_value;
+
+ /* FIXME : here may be able to modify better .
+ I don't know how to get the fragp's section ,
+ so in relax stage , it may be wrong to calculate the symbol's offset when the frag's section
+ is different from the symbol's. */
+
+ old = RELAX_OLD (fragp->fr_subtype);
+ new = RELAX_NEW (fragp->fr_subtype);
+ relaxable_p = RELAX_OPT (fragp->fr_subtype);
+
+ s = fragp->fr_symbol;
+ /* b/bl immediate */
+ if (s == NULL)
+ frag_addr = 0;
+ else
+ {
+ if (s->bsym != 0)
+ symbol_address = (addressT) s->sy_frag->fr_address;
+ }
+
+ value = md_chars_to_number (fragp->fr_literal, INSN_SIZE);
+
+ /* b 32's offset : 20 bit, b 16's tolerate field : 0xff. */
+ offset = ((value & 0x3ff0000) >> 6) | (value & 0x3fe);
+ if ((offset & 0x80000) == 0x80000)
+ offset |= 0xfff00000;
+
+ abs_value = offset + symbol_address - frag_addr;
+ if ((abs_value & 0x80000000) == 0x80000000)
+ abs_value = 0xffffffff - abs_value + 1;
+
+ /* Relax branch 32 to branch 16. */
+ if (relaxable_p && (s->bsym != NULL) && ((abs_value & 0xffffff00) == 0)
+ && (S_IS_DEFINED (s) && !S_IS_COMMON (s) && !S_IS_EXTERNAL (s)))
+ {
+ /* do nothing. */
+ }
+ else
+ {
+ /* Branch 32 can not be relaxed to b 16, so clear OPT bit. */
+ fragp->fr_opcode = NULL;
+ fragp->fr_subtype = RELAX_OPT_CLEAR (fragp->fr_subtype);
+ }
+
+ return grows;
+}
+
+/* Main purpose is to determine whether one frag should do relax.
+ frag->fr_opcode indicates this point. */
+
+int
+score_relax_frag (asection * sec ATTRIBUTE_UNUSED, fragS * fragp, long stretch ATTRIBUTE_UNUSED)
+{
+ int grows = 0;
+ int insn_size;
+ int insn_relax_size;
+ int do_relax_p = 0; /* Indicate doing relaxation for this frag. */
+ int relaxable_p = 0;
+ bfd_boolean word_align_p = FALSE;
+ fragS *next_fragp;
+
+ /* If the instruction address is odd, make it half word align first. */
+ if ((fragp->fr_address) % 2 != 0)
+ {
+ if ((fragp->fr_address + fragp->insn_addr) % 2 != 0)
+ {
+ fragp->insn_addr = 1;
+ grows += 1;
+ }
+ }
+
+ word_align_p = ((fragp->fr_address + fragp->insn_addr) % 4 == 0) ? TRUE : FALSE;
+
+ /* Get instruction size and relax size after the last relaxation. */
+ if (fragp->fr_opcode)
+ {
+ insn_size = RELAX_NEW (fragp->fr_subtype);
+ insn_relax_size = RELAX_OLD (fragp->fr_subtype);
+ }
+ else
+ {
+ insn_size = RELAX_OLD (fragp->fr_subtype);
+ insn_relax_size = RELAX_NEW (fragp->fr_subtype);
+ }
+
+ /* Handle specially for GP instruction. for, judge_size_before_relax() has already determine
+ whether the GP instruction should do relax. */
+ if ((RELAX_TYPE (fragp->fr_subtype) == Insn_GP)
+ || (RELAX_TYPE (fragp->fr_subtype) == Insn_PIC))
+ {
+ if (!word_align_p)
+ {
+ fragp->insn_addr += 2;
+ grows += 2;
+ }
+
+ if (fragp->fr_opcode)
+ fragp->fr_fix = RELAX_NEW (fragp->fr_subtype) + fragp->insn_addr;
+ else
+ fragp->fr_fix = RELAX_OLD (fragp->fr_subtype) + fragp->insn_addr;
+ }
+ else
+ {
+ if (RELAX_TYPE (fragp->fr_subtype) == PC_DISP19div2)
+ b32_relax_to_b16 (fragp);
+
+ relaxable_p = RELAX_OPT (fragp->fr_subtype);
+ next_fragp = fragp->fr_next;
+ while ((next_fragp) && (next_fragp->fr_type != rs_machine_dependent))
+ {
+ next_fragp = next_fragp->fr_next;
+ }
+
+ if (next_fragp)
+ {
+ int n_insn_size;
+ int n_relaxable_p = 0;
+
+ if (next_fragp->fr_opcode)
+ {
+ n_insn_size = RELAX_NEW (next_fragp->fr_subtype);
+ }
+ else
+ {
+ n_insn_size = RELAX_OLD (next_fragp->fr_subtype);
+ }
+
+ n_relaxable_p = RELAX_OPT (next_fragp->fr_subtype);
+
+ if (word_align_p)
+ {
+ if (insn_size == 4)
+ {
+ /* 32 -> 16. */
+ if (relaxable_p && ((n_insn_size == 2) || n_relaxable_p))
+ {
+ grows -= 2;
+ do_relax_p = 1;
+ }
+ }
+ else if (insn_size == 2)
+ {
+ /* 16 -> 32. */
+ if (relaxable_p && ((n_insn_size == 4) && !n_relaxable_p))
+ {
+ grows += 2;
+ do_relax_p = 1;
+ }
+ }
+ else
+ {
+ abort ();
+ }
+ }
+ else
+ {
+ if (insn_size == 4)
+ {
+ /* 32 -> 16. */
+ if (relaxable_p)
+ {
+ grows -= 2;
+ do_relax_p = 1;
+ }
+ /* Make the 32 bit insturction word align. */
+ else
+ {
+ fragp->insn_addr += 2;
+ grows += 2;
+ }
+ }
+ else if (insn_size == 2)
+ {
+ /* Do nothing. */
+ }
+ else
+ {
+ abort ();
+ }
+ }
+ }
+ else
+ {
+ /* Here, try best to do relax regardless fragp->fr_next->fr_type. */
+ if (word_align_p == FALSE)
+ {
+ if (insn_size % 4 == 0)
+ {
+ /* 32 -> 16. */
+ if (relaxable_p)
+ {
+ grows -= 2;
+ do_relax_p = 1;
+ }
+ else
+ {
+ fragp->insn_addr += 2;
+ grows += 2;
+ }
+ }
+ }
+ else
+ {
+ /* Do nothing. */
+ }
+ }
+
+ /* fragp->fr_opcode indicates whether this frag should be relaxed. */
+ if (do_relax_p)
+ {
+ if (fragp->fr_opcode)
+ {
+ fragp->fr_opcode = NULL;
+ /* Guarantee estimate stage is correct. */
+ fragp->fr_fix = RELAX_OLD (fragp->fr_subtype);
+ fragp->fr_fix += fragp->insn_addr;
+ }
+ else
+ {
+ fragp->fr_opcode = fragp->fr_literal + RELAX_RELOC1 (fragp->fr_subtype);
+ /* Guarantee estimate stage is correct. */
+ fragp->fr_fix = RELAX_NEW (fragp->fr_subtype);
+ fragp->fr_fix += fragp->insn_addr;
+ }
+ }
+ else
+ {
+ if (fragp->fr_opcode)
+ {
+ /* Guarantee estimate stage is correct. */
+ fragp->fr_fix = RELAX_NEW (fragp->fr_subtype);
+ fragp->fr_fix += fragp->insn_addr;
+ }
+ else
+ {
+ /* Guarantee estimate stage is correct. */
+ fragp->fr_fix = RELAX_OLD (fragp->fr_subtype);
+ fragp->fr_fix += fragp->insn_addr;
+ }
+ }
+ }
+
+ return grows;
+}
+
+void
+md_convert_frag (bfd * abfd ATTRIBUTE_UNUSED, segT sec ATTRIBUTE_UNUSED, fragS * fragp)
+{
+ int old;
+ int new;
+ char backup[20];
+ fixS *fixp;
+
+ old = RELAX_OLD (fragp->fr_subtype);
+ new = RELAX_NEW (fragp->fr_subtype);
+
+ /* fragp->fr_opcode indicates whether this frag should be relaxed. */
+ if (fragp->fr_opcode == NULL)
+ {
+ memcpy (backup, fragp->fr_literal, old);
+ fragp->fr_fix = old;
+ }
+ else
+ {
+ memcpy (backup, fragp->fr_literal + old, new);
+ fragp->fr_fix = new;
+ }
+
+ fixp = fragp->tc_frag_data.fixp;
+ while (fixp && fixp->fx_frag == fragp && fixp->fx_where < old)
+ {
+ if (fragp->fr_opcode)
+ fixp->fx_done = 1;
+ fixp = fixp->fx_next;
+ }
+ while (fixp && fixp->fx_frag == fragp)
+ {
+ if (fragp->fr_opcode)
+ fixp->fx_where -= old + fragp->insn_addr;
+ else
+ fixp->fx_done = 1;
+ fixp = fixp->fx_next;
+ }
+
+ if (fragp->insn_addr)
+ {
+ md_number_to_chars (fragp->fr_literal, 0x0, fragp->insn_addr);
+ }
+ memcpy (fragp->fr_literal + fragp->insn_addr, backup, fragp->fr_fix);
+ fragp->fr_fix += fragp->insn_addr;
+}
+
+/* Implementation of md_frag_check.
+ Called after md_convert_frag(). */
+
+void
+score_frag_check (fragS * fragp ATTRIBUTE_UNUSED)
+{
+ know (fragp->insn_addr <= RELAX_PAD_BYTE);
+}
+
+bfd_boolean
+score_fix_adjustable (fixS * fixP)
+{
+ if (fixP->fx_addsy == NULL)
+ {
+ return 1;
+ }
+ else if (OUTPUT_FLAVOR == bfd_target_elf_flavour
+ && (S_IS_EXTERNAL (fixP->fx_addsy) || S_IS_WEAK (fixP->fx_addsy)))
+ {
+ return 0;
+ }
+ else if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT
+ || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
+ {
+ return 0;
+ }
+
+ return 1;
+}
+
+/* Implementation of TC_VALIDATE_FIX.
+ Called before md_apply_fix() and after md_convert_frag(). */
+void
+score_validate_fix (fixS *fixP)
+{
+ fixP->fx_where += fixP->fx_frag->insn_addr;
+}
+
+long
+md_pcrel_from (fixS * fixP)
+{
+ long retval = 0;
+
+ if (fixP->fx_addsy
+ && (S_GET_SEGMENT (fixP->fx_addsy) == undefined_section)
+ && (fixP->fx_subsy == NULL))
+ {
+ retval = 0;
+ }
+ else
+ {
+ retval = fixP->fx_where + fixP->fx_frag->fr_address;
+ }
+
+ return retval;
+}
+
+int
+score_force_relocation (struct fix *fixp)
+{
+ int retval = 0;
+
+ if (fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT
+ || fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY
+ || fixp->fx_r_type == BFD_RELOC_SCORE_JMP
+ || fixp->fx_r_type == BFD_RELOC_SCORE_BRANCH
+ || fixp->fx_r_type == BFD_RELOC_SCORE16_JMP
+ || fixp->fx_r_type == BFD_RELOC_SCORE16_BRANCH)
+ {
+ retval = 1;
+ }
+
+ return retval;
+}
+
+/* Round up a section size to the appropriate boundary. */
+valueT
+md_section_align (segT segment ATTRIBUTE_UNUSED, valueT size)
+{
+ int align = bfd_get_section_alignment (stdoutput, segment);
+
+#ifdef OBJ_ELF
+ /* We don't need to align ELF sections to the full alignment.
+ However, Irix 5 may prefer that we align them at least to a 16
+ byte boundary. We don't bother to align the sections if we are
+ targeted for an embedded system. */
+ if (strcmp (TARGET_OS, "elf") == 0)
+ return size;
+ if (align > 4)
+ align = 4;
+#endif
+
+ return ((size + (1 << align) - 1) & (-1 << align));
+}
+
+void
+md_apply_fix (fixS *fixP, valueT *valP, segT seg)
+{
+ offsetT value = *valP;
+ offsetT abs_value = 0;
+ offsetT newval;
+ offsetT content;
+ unsigned short HI, LO;
+
+ char *buf = fixP->fx_frag->fr_literal + fixP->fx_where;
+
+ assert (fixP->fx_r_type < BFD_RELOC_UNUSED);
+ if (fixP->fx_addsy == 0 && !fixP->fx_pcrel)
+ {
+ if (fixP->fx_r_type != BFD_RELOC_SCORE_DUMMY_HI16)
+ fixP->fx_done = 1;
+ }
+
+ /* If this symbol is in a different section then we need to leave it for
+ the linker to deal with. Unfortunately, md_pcrel_from can't tell,
+ so we have to undo it's effects here. */
+ if (fixP->fx_pcrel)
+ {
+ if (fixP->fx_addsy != NULL
+ && S_IS_DEFINED (fixP->fx_addsy)
+ && S_GET_SEGMENT (fixP->fx_addsy) != seg)
+ value += md_pcrel_from (fixP);
+ }
+
+ /* Remember value for emit_reloc. */
+ fixP->fx_addnumber = value;
+
+ switch (fixP->fx_r_type)
+ {
+ case BFD_RELOC_HI16_S:
+ if (fixP->fx_done)
+ { /* For la rd, imm32. */
+ newval = md_chars_to_number (buf, INSN_SIZE);
+ HI = (value) >> 16; /* mul to 2, then take the hi 16 bit. */
+ newval |= (HI & 0x3fff) << 1;
+ newval |= ((HI >> 14) & 0x3) << 16;
+ md_number_to_chars (buf, newval, INSN_SIZE);
+ }
+ break;
+ case BFD_RELOC_LO16:
+ if (fixP->fx_done) /* For la rd, imm32. */
+ {
+ newval = md_chars_to_number (buf, INSN_SIZE);
+ LO = (value) & 0xffff;
+ newval |= (LO & 0x3fff) << 1; /* 16 bit: imm -> 14 bit in lo, 2 bit in hi. */
+ newval |= ((LO >> 14) & 0x3) << 16;
+ md_number_to_chars (buf, newval, INSN_SIZE);
+ }
+ break;
+ case BFD_RELOC_SCORE_JMP:
+ {
+ content = md_chars_to_number (buf, INSN_SIZE);
+ value = fixP->fx_offset;
+ content = (content & ~0x3ff7ffe) | ((value << 1) & 0x3ff0000) | (value & 0x7fff);
+ md_number_to_chars (buf, content, INSN_SIZE);
+ }
+ break;
+ case BFD_RELOC_SCORE_BRANCH:
+ if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
+ value = fixP->fx_offset;
+ else
+ fixP->fx_done = 1;
+
+ content = md_chars_to_number (buf, INSN_SIZE);
+ if ((fixP->fx_frag->fr_opcode != 0) && ((content & 0x80008000) != 0x80008000))
+ {
+ if ((value & 0x80000000) == 0x80000000)
+ abs_value = 0xffffffff - value + 1;
+ if ((abs_value & 0xffffff00) != 0)
+ {
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _(" branch relocation truncate (0x%x) [-2^8 ~ 2^8]"), (unsigned int)value);
+ return;
+ }
+ content = md_chars_to_number (buf, INSN16_SIZE);
+ content &= 0xff00;
+ content = (content & 0xff00) | ((value >> 1) & 0xff);
+ md_number_to_chars (buf, content, INSN16_SIZE);
+ fixP->fx_r_type = BFD_RELOC_SCORE16_BRANCH;
+ fixP->fx_size = 2;
+ }
+ else
+ {
+ if ((value & 0x80000000) == 0x80000000)
+ abs_value = 0xffffffff - value + 1;
+ if ((abs_value & 0xfff80000) != 0)
+ {
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), (unsigned int)value);
+ return;
+ }
+ content = md_chars_to_number (buf, INSN_SIZE);
+ content &= 0xfc00fc01;
+ content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000);
+ md_number_to_chars (buf, content, INSN_SIZE);
+ }
+ break;
+ case BFD_RELOC_SCORE16_JMP:
+ content = md_chars_to_number (buf, INSN16_SIZE);
+ content &= 0xf001;
+ value = fixP->fx_offset & 0xfff;
+ content = (content & 0xfc01) | (value & 0xffe);
+ md_number_to_chars (buf, content, INSN16_SIZE);
+ break;
+ case BFD_RELOC_SCORE16_BRANCH:
+ content = md_chars_to_number (buf, INSN_SIZE);
+ if ((fixP->fx_frag->fr_opcode != 0) && ((content & 0x80008000) == 0x80008000))
+ {
+ if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) ||
+ (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
+ value = fixP->fx_offset;
+ else
+ fixP->fx_done = 1;
+ if ((value & 0x80000000) == 0x80000000)
+ abs_value = 0xffffffff - value + 1;
+ if ((abs_value & 0xfff80000) != 0)
+ {
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), (unsigned int)value);
+ return;
+ }
+ content = md_chars_to_number (buf, INSN_SIZE);
+ content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000);
+ md_number_to_chars (buf, content, INSN_SIZE);
+ fixP->fx_r_type = BFD_RELOC_SCORE_BRANCH;
+ fixP->fx_size = 4;
+ break;
+ }
+ else
+ {
+ /* In differnt section. */
+ if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) ||
+ (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
+ value = fixP->fx_offset;
+ else
+ fixP->fx_done = 1;
+
+ if ((value & 0x80000000) == 0x80000000)
+ abs_value = 0xffffffff - value + 1;
+ if ((abs_value & 0xffffff00) != 0)
+ {
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _(" branch relocation truncate (0x%x) [-2^8 ~ 2^8]"), (unsigned int)value);
+ return;
+ }
+ content = md_chars_to_number (buf, INSN16_SIZE);
+ content = (content & 0xff00) | ((value >> 1) & 0xff);
+ md_number_to_chars (buf, content, INSN16_SIZE);
+ break;
+ }
+ case BFD_RELOC_8:
+ if (fixP->fx_done || fixP->fx_pcrel)
+ md_number_to_chars (buf, value, 1);
+#ifdef OBJ_ELF
+ else
+ {
+ value = fixP->fx_offset;
+ md_number_to_chars (buf, value, 1);
+ }
+#endif
+ break;
+
+ case BFD_RELOC_16:
+ if (fixP->fx_done || fixP->fx_pcrel)
+ md_number_to_chars (buf, value, 2);
+#ifdef OBJ_ELF
+ else
+ {
+ value = fixP->fx_offset;
+ md_number_to_chars (buf, value, 2);
+ }
+#endif
+ break;
+ case BFD_RELOC_RVA:
+ case BFD_RELOC_32:
+ if (fixP->fx_done || fixP->fx_pcrel)
+ md_number_to_chars (buf, value, 4);
+#ifdef OBJ_ELF
+ else
+ {
+ value = fixP->fx_offset;
+ md_number_to_chars (buf, value, 4);
+ }
+#endif
+ break;
+ case BFD_RELOC_VTABLE_INHERIT:
+ fixP->fx_done = 0;
+ if (fixP->fx_addsy && !S_IS_DEFINED (fixP->fx_addsy) && !S_IS_WEAK (fixP->fx_addsy))
+ S_SET_WEAK (fixP->fx_addsy);
+ break;
+ case BFD_RELOC_VTABLE_ENTRY:
+ fixP->fx_done = 0;
+ break;
+ case BFD_RELOC_SCORE_GPREL15:
+ content = md_chars_to_number (buf, INSN_SIZE);
+ if ((fixP->fx_frag->fr_opcode != 0) && ((content & 0xfc1c8000) != 0x94188000))
+ fixP->fx_r_type = BFD_RELOC_NONE;
+ fixP->fx_done = 0;
+ break;
+ case BFD_RELOC_SCORE_GOT15:
+ case BFD_RELOC_SCORE_DUMMY_HI16:
+ case BFD_RELOC_SCORE_GOT_LO16:
+ case BFD_RELOC_SCORE_CALL15:
+ case BFD_RELOC_GPREL32:
+ break;
+ case BFD_RELOC_NONE:
+ default:
+ as_bad_where (fixP->fx_file, fixP->fx_line, _("bad relocation fixup type (%d)"), fixP->fx_r_type);
+ }
+}
+
+/* Translate internal representation of relocation info to BFD target format. */
+arelent **
+tc_gen_reloc (asection * section ATTRIBUTE_UNUSED, fixS * fixp)
+{
+ static arelent *retval[MAX_RELOC_EXPANSION + 1]; /* MAX_RELOC_EXPANSION equals 2. */
+ arelent *reloc;
+ bfd_reloc_code_real_type code;
+ char *type;
+ fragS *f;
+ symbolS *s;
+ expressionS e;
+
+ reloc = retval[0] = xmalloc (sizeof (arelent));
+ retval[1] = NULL;
+
+ reloc->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
+ *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
+ reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
+ reloc->addend = fixp->fx_offset;
+
+ /* If this is a variant frag, we may need to adjust the existing
+ reloc and generate a new one. */
+ if (fixp->fx_frag->fr_opcode != NULL && (fixp->fx_r_type == BFD_RELOC_SCORE_GPREL15))
+ {
+ /* Update instruction imm bit. */
+ offsetT newval;
+ unsigned short off;
+ char *buf;
+
+ buf = fixp->fx_frag->fr_literal + fixp->fx_frag->insn_addr;
+ newval = md_chars_to_number (buf, INSN_SIZE);
+ off = fixp->fx_offset >> 16;
+ newval |= (off & 0x3fff) << 1;
+ newval |= ((off >> 14) & 0x3) << 16;
+ md_number_to_chars (buf, newval, INSN_SIZE);
+
+ buf += INSN_SIZE;
+ newval = md_chars_to_number (buf, INSN_SIZE);
+ off = fixp->fx_offset & 0xffff;
+ newval |= ((off & 0x3fff) << 1);
+ newval |= (((off >> 14) & 0x3) << 16);
+ md_number_to_chars (buf, newval, INSN_SIZE);
+
+ retval[1] = xmalloc (sizeof (arelent));
+ retval[2] = NULL;
+ retval[1]->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
+ *retval[1]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
+ retval[1]->address = (reloc->address + RELAX_RELOC2 (fixp->fx_frag->fr_subtype));
+
+ f = fixp->fx_frag;
+ s = f->fr_symbol;
+ e = s->sy_value;
+
+ retval[1]->addend = 0;
+ retval[1]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_LO16);
+ assert (retval[1]->howto != NULL);
+
+ fixp->fx_r_type = BFD_RELOC_HI16_S;
+ }
+
+ code = fixp->fx_r_type;
+ switch (fixp->fx_r_type)
+ {
+ case BFD_RELOC_32:
+ if (fixp->fx_pcrel)
+ {
+ code = BFD_RELOC_32_PCREL;
+ break;
+ }
+ case BFD_RELOC_HI16_S:
+ case BFD_RELOC_LO16:
+ case BFD_RELOC_SCORE_JMP:
+ case BFD_RELOC_SCORE_BRANCH:
+ case BFD_RELOC_SCORE16_JMP:
+ case BFD_RELOC_SCORE16_BRANCH:
+ case BFD_RELOC_VTABLE_ENTRY:
+ case BFD_RELOC_VTABLE_INHERIT:
+ case BFD_RELOC_SCORE_GPREL15:
+ case BFD_RELOC_SCORE_GOT15:
+ case BFD_RELOC_SCORE_DUMMY_HI16:
+ case BFD_RELOC_SCORE_GOT_LO16:
+ case BFD_RELOC_SCORE_CALL15:
+ case BFD_RELOC_GPREL32:
+ case BFD_RELOC_NONE:
+ code = fixp->fx_r_type;
+ break;
+ default:
+ type = _("<unknown>");
+ as_bad_where (fixp->fx_file, fixp->fx_line,
+ _("cannot represent %s relocation in this object file format"), type);
+ return NULL;
+ }
+
+ reloc->howto = bfd_reloc_type_lookup (stdoutput, code);
+ if (reloc->howto == NULL)
+ {
+ as_bad_where (fixp->fx_file, fixp->fx_line,
+ _("cannot represent %s relocation in this object file format1"),
+ bfd_get_reloc_code_name (code));
+ return NULL;
+ }
+ /* HACK: Since arm ELF uses Rel instead of Rela, encode the
+ vtable entry to be used in the relocation's section offset. */
+ if (fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
+ reloc->address = fixp->fx_offset;
+
+ return retval;
+}
+
+void
+score_elf_final_processing (void)
+{
+ if (fix_data_dependency == 1)
+ {
+ elf_elfheader (stdoutput)->e_flags |= EF_SCORE_FIXDEP;
+ }
+ if (score_pic == PIC)
+ {
+ elf_elfheader (stdoutput)->e_flags |= EF_SCORE_PIC;
+ }
+}
+
+static void
+parse_pce_inst (char *insnstr)
+{
+ char c;
+ char *p;
+ char first[MAX_LITERAL_POOL_SIZE];
+ char second[MAX_LITERAL_POOL_SIZE];
+ struct score_it pec_part_1;
+
+ /* Get first part string of PCE. */
+ p = strstr (insnstr, "||");
+ c = *p;
+ *p = '\0';
+ sprintf (first, "%s", insnstr);
+
+ /* Get second part string of PCE. */
+ *p = c;
+ p += 2;
+ sprintf (second, "%s", p);
+
+ parse_16_32_inst (first, FALSE);
+ if (inst.error)
+ return;
+
+ memcpy (&pec_part_1, &inst, sizeof (inst));
+
+ parse_16_32_inst (second, FALSE);
+ if (inst.error)
+ return;
+
+ if ( ((pec_part_1.size == INSN_SIZE) && (inst.size == INSN_SIZE))
+ || ((pec_part_1.size == INSN_SIZE) && (inst.size == INSN16_SIZE))
+ || ((pec_part_1.size == INSN16_SIZE) && (inst.size == INSN_SIZE)))
+ {
+ inst.error = _("pce instruction error (16 bit || 16 bit)'");
+ sprintf (inst.str, "%s", insnstr);
+ return;
+ }
+
+ if (!inst.error)
+ gen_insn_frag (&pec_part_1, &inst);
+}
+
+void
+md_assemble (char *str)
+{
+ know (str);
+ know (strlen (str) < MAX_LITERAL_POOL_SIZE);
+
+ memset (&inst, '\0', sizeof (inst));
+ if (INSN_IS_PCE_P (str))
+ parse_pce_inst (str);
+ else
+ parse_16_32_inst (str, TRUE);
+
+ if (inst.error)
+ as_bad ("%s -- `%s'", inst.error, inst.str);
+}
+
+/* We handle all bad expressions here, so that we can report the faulty
+ instruction in the error message. */
+void
+md_operand (expressionS * expr)
+{
+ if (in_my_get_expression)
+ {
+ expr->X_op = O_illegal;
+ if (inst.error == NULL)
+ {
+ inst.error = _("bad expression");
+ }
+ }
+}
+
+const char *md_shortopts = "nO::g::G:";
+
+#ifdef SCORE_BI_ENDIAN
+#define OPTION_EB (OPTION_MD_BASE + 0)
+#define OPTION_EL (OPTION_MD_BASE + 1)
+#else
+#if TARGET_BYTES_BIG_ENDIAN
+#define OPTION_EB (OPTION_MD_BASE + 0)
+#else
+#define OPTION_EL (OPTION_MD_BASE + 1)
+#endif
+#endif
+#define OPTION_FIXDD (OPTION_MD_BASE + 2)
+#define OPTION_NWARN (OPTION_MD_BASE + 3)
+#define OPTION_SCORE5 (OPTION_MD_BASE + 4)
+#define OPTION_SCORE5U (OPTION_MD_BASE + 5)
+#define OPTION_SCORE7 (OPTION_MD_BASE + 6)
+#define OPTION_R1 (OPTION_MD_BASE + 7)
+#define OPTION_O0 (OPTION_MD_BASE + 8)
+#define OPTION_SCORE_VERSION (OPTION_MD_BASE + 9)
+#define OPTION_PIC (OPTION_MD_BASE + 10)
+
+struct option md_longopts[] =
+{
+#ifdef OPTION_EB
+ {"EB" , no_argument, NULL, OPTION_EB},
+#endif
+#ifdef OPTION_EL
+ {"EL" , no_argument, NULL, OPTION_EL},
+#endif
+ {"FIXDD" , no_argument, NULL, OPTION_FIXDD},
+ {"NWARN" , no_argument, NULL, OPTION_NWARN},
+ {"SCORE5" , no_argument, NULL, OPTION_SCORE5},
+ {"SCORE5U", no_argument, NULL, OPTION_SCORE5U},
+ {"SCORE7" , no_argument, NULL, OPTION_SCORE7},
+ {"USE_R1" , no_argument, NULL, OPTION_R1},
+ {"O0" , no_argument, NULL, OPTION_O0},
+ {"V" , no_argument, NULL, OPTION_SCORE_VERSION},
+ {"KPIC" , no_argument, NULL, OPTION_PIC},
+ {NULL , no_argument, NULL, 0}
+};
+
+size_t md_longopts_size = sizeof (md_longopts);
+
+int
+md_parse_option (int c, char *arg)
+{
+ switch (c)
+ {
+#ifdef OPTION_EB
+ case OPTION_EB:
+ target_big_endian = 1;
+ break;
+#endif
+#ifdef OPTION_EL
+ case OPTION_EL:
+ target_big_endian = 0;
+ break;
+#endif
+ case OPTION_FIXDD:
+ fix_data_dependency = 1;
+ break;
+ case OPTION_NWARN:
+ warn_fix_data_dependency = 0;
+ break;
+ case OPTION_SCORE5:
+ score7 = 0;
+ university_version = 0;
+ vector_size = SCORE5_PIPELINE;
+ break;
+ case OPTION_SCORE5U:
+ score7 = 0;
+ university_version = 1;
+ vector_size = SCORE5_PIPELINE;
+ break;
+ case OPTION_SCORE7:
+ score7 = 1;
+ university_version = 0;
+ vector_size = SCORE7_PIPELINE;
+ break;
+ case OPTION_R1:
+ nor1 = 0;
+ break;
+ case 'G':
+ g_switch_value = atoi (arg);
+ break;
+ case OPTION_O0:
+ g_opt = 0;
+ break;
+ case OPTION_SCORE_VERSION:
+ printf (_("Sunplus-v2-0-0-20060510\n"));
+ break;
+ case OPTION_PIC:
+ score_pic = PIC;
+ g_switch_value = 0; /* Must set -G num as 0 to generate PIC code. */
+ break;
+ default:
+ /* as_bad (_("unrecognized option `-%c%s'"), c, arg ? arg : ""); */
+ return 0;
+ }
+ return 1;
+}
+
+void
+md_show_usage (FILE * fp)
+{
+ fprintf (fp, _(" Score-specific assembler options:\n"));
+#ifdef OPTION_EB
+ fprintf (fp, _("\
+ -EB\t\tassemble code for a big-endian cpu\n"));
+#endif
+
+#ifdef OPTION_EL
+ fprintf (fp, _("\
+ -EL\t\tassemble code for a little-endian cpu\n"));
+#endif
+
+ fprintf (fp, _("\
+ -FIXDD\t\tassemble code for fix data dependency\n"));
+ fprintf (fp, _("\
+ -NWARN\t\tassemble code for no warning message for fix data dependency\n"));
+ fprintf (fp, _("\
+ -SCORE5\t\tassemble code for target is SCORE5\n"));
+ fprintf (fp, _("\
+ -SCORE5U\tassemble code for target is SCORE5U\n"));
+ fprintf (fp, _("\
+ -SCORE7\t\tassemble code for target is SCORE7, this is default setting\n"));
+ fprintf (fp, _("\
+ -USE_R1\t\tassemble code for no warning message when using temp register r1\n"));
+ fprintf (fp, _("\
+ -O0\t\tassemble will not any optimization \n"));
+ fprintf (fp, _("\
+ -G gpnum\tassemble code for setting gpsize and default is 8 byte \n"));
+ fprintf (fp, _("\
+ -V \t\tSunplus release version \n"));
+}
+
+
+/* Pesudo handling functions. */
+
+/* If we change section we must dump the literal pool first. */
+static void
+s_score_bss (int ignore ATTRIBUTE_UNUSED)
+{
+ subseg_set (bss_section, (subsegT) get_absolute_expression ());
+ demand_empty_rest_of_line ();
+}
+
+static void
+s_score_text (int ignore)
+{
+ obj_elf_text (ignore);
+ record_alignment (now_seg, 2);
+}
+
+static void
+score_s_section (int ignore)
+{
+ obj_elf_section (ignore);
+ if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
+ record_alignment (now_seg, 2);
+
+}
+
+static void
+s_change_sec (int sec)
+{
+ segT seg;
+
+#ifdef OBJ_ELF
+ /* The ELF backend needs to know that we are changing sections, so
+ that .previous works correctly. We could do something like check
+ for an obj_section_change_hook macro, but that might be confusing
+ as it would not be appropriate to use it in the section changing
+ functions in read.c, since obj-elf.c intercepts those. FIXME:
+ This should be cleaner, somehow. */
+ obj_elf_section_change_hook ();
+#endif
+ switch (sec)
+ {
+ case 'r':
+ seg = subseg_new (RDATA_SECTION_NAME, (subsegT) get_absolute_expression ());
+ bfd_set_section_flags (stdoutput, seg, (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_RELOC | SEC_DATA));
+ if (strcmp (TARGET_OS, "elf") != 0)
+ record_alignment (seg, 4);
+ demand_empty_rest_of_line ();
+ break;
+ case 's':
+ seg = subseg_new (".sdata", (subsegT) get_absolute_expression ());
+ bfd_set_section_flags (stdoutput, seg, SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA);
+ if (strcmp (TARGET_OS, "elf") != 0)
+ record_alignment (seg, 4);
+ demand_empty_rest_of_line ();
+ break;
+ }
+}
+
+static void
+s_score_mask (int reg_type ATTRIBUTE_UNUSED)
+{
+ long mask, off;
+
+ if (cur_proc_ptr == (procS *) NULL)
+ {
+ as_warn (_(".mask outside of .ent"));
+ demand_empty_rest_of_line ();
+ return;
+ }
+ if (get_absolute_expression_and_terminator (&mask) != ',')
+ {
+ as_warn (_("Bad .mask directive"));
+ --input_line_pointer;
+ demand_empty_rest_of_line ();
+ return;
+ }
+ off = get_absolute_expression ();
+ cur_proc_ptr->reg_mask = mask;
+ cur_proc_ptr->reg_offset = off;
+ demand_empty_rest_of_line ();
+}
+
+static symbolS *
+get_symbol (void)
+{
+ int c;
+ char *name;
+ symbolS *p;
+
+ name = input_line_pointer;
+ c = get_symbol_end ();
+ p = (symbolS *) symbol_find_or_make (name);
+ *input_line_pointer = c;
+ return p;
+}
+
+static long
+get_number (void)
+{
+ int negative = 0;
+ long val = 0;
+
+ if (*input_line_pointer == '-')
+ {
+ ++input_line_pointer;
+ negative = 1;
+ }
+ if (!ISDIGIT (*input_line_pointer))
+ as_bad (_("expected simple number"));
+ if (input_line_pointer[0] == '0')
+ {
+ if (input_line_pointer[1] == 'x')
+ {
+ input_line_pointer += 2;
+ while (ISXDIGIT (*input_line_pointer))
+ {
+ val <<= 4;
+ val |= hex_value (*input_line_pointer++);
+ }
+ return negative ? -val : val;
+ }
+ else
+ {
+ ++input_line_pointer;
+ while (ISDIGIT (*input_line_pointer))
+ {
+ val <<= 3;
+ val |= *input_line_pointer++ - '0';
+ }
+ return negative ? -val : val;
+ }
+ }
+ if (!ISDIGIT (*input_line_pointer))
+ {
+ printf (_(" *input_line_pointer == '%c' 0x%02x\n"), *input_line_pointer, *input_line_pointer);
+ as_warn (_("invalid number"));
+ return -1;
+ }
+ while (ISDIGIT (*input_line_pointer))
+ {
+ val *= 10;
+ val += *input_line_pointer++ - '0';
+ }
+ return negative ? -val : val;
+}
+
+/* The .aent and .ent directives. */
+
+static void
+s_score_ent (int aent)
+{
+ symbolS *symbolP;
+ int maybe_text;
+
+ symbolP = get_symbol ();
+ if (*input_line_pointer == ',')
+ ++input_line_pointer;
+ SKIP_WHITESPACE ();
+ if (ISDIGIT (*input_line_pointer) || *input_line_pointer == '-')
+ get_number ();
+
+#ifdef BFD_ASSEMBLER
+ if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
+ maybe_text = 1;
+ else
+ maybe_text = 0;
+#else
+ if (now_seg != data_section && now_seg != bss_section)
+ maybe_text = 1;
+ else
+ maybe_text = 0;
+#endif
+ if (!maybe_text)
+ as_warn (_(".ent or .aent not in text section."));
+ if (!aent && cur_proc_ptr)
+ as_warn (_("missing .end"));
+ if (!aent)
+ {
+ cur_proc_ptr = &cur_proc;
+ cur_proc_ptr->reg_mask = 0xdeadbeaf;
+ cur_proc_ptr->reg_offset = 0xdeadbeaf;
+ cur_proc_ptr->fpreg_mask = 0xdeafbeaf;
+ cur_proc_ptr->leaf = 0xdeafbeaf;
+ cur_proc_ptr->frame_offset = 0xdeafbeaf;
+ cur_proc_ptr->frame_reg = 0xdeafbeaf;
+ cur_proc_ptr->pc_reg = 0xdeafbeaf;
+ cur_proc_ptr->isym = symbolP;
+ symbol_get_bfdsym (symbolP)->flags |= BSF_FUNCTION;
+ ++numprocs;
+ if (debug_type == DEBUG_STABS)
+ stabs_generate_asm_func (S_GET_NAME (symbolP), S_GET_NAME (symbolP));
+ }
+ demand_empty_rest_of_line ();
+}
+
+static void
+s_score_frame (int ignore ATTRIBUTE_UNUSED)
+{
+ char *backupstr;
+ char str[30];
+ long val;
+ int i = 0;
+
+ backupstr = input_line_pointer;
+
+#ifdef OBJ_ELF
+ if (cur_proc_ptr == (procS *) NULL)
+ {
+ as_warn (_(".frame outside of .ent"));
+ demand_empty_rest_of_line ();
+ return;
+ }
+ cur_proc_ptr->frame_reg = reg_required_here ((&backupstr), 0, REG_TYPE_SCORE);
+ SKIP_WHITESPACE ();
+ skip_past_comma (&backupstr);
+ while (*backupstr != ',')
+ {
+ str[i] = *backupstr;
+ i++;
+ backupstr++;
+ }
+ str[i] = '\0';
+ val = atoi (str);
+
+ SKIP_WHITESPACE ();
+ skip_past_comma (&backupstr);
+ cur_proc_ptr->frame_offset = val;
+ cur_proc_ptr->pc_reg = reg_required_here ((&backupstr), 0, REG_TYPE_SCORE);
+
+ SKIP_WHITESPACE ();
+ skip_past_comma (&backupstr);
+ i = 0;
+ while (*backupstr != '\n')
+ {
+ str[i] = *backupstr;
+ i++;
+ backupstr++;
+ }
+ str[i] = '\0';
+ val = atoi (str);
+ cur_proc_ptr->leaf = val;
+ SKIP_WHITESPACE ();
+ skip_past_comma (&backupstr);
+
+#endif /* OBJ_ELF */
+ while (input_line_pointer != backupstr)
+ input_line_pointer++;
+}
+
+/* The .end directive. */
+static void
+s_score_end (int x ATTRIBUTE_UNUSED)
+{
+ symbolS *p;
+ int maybe_text;
+
+ /* Generate a .pdr section. */
+ segT saved_seg = now_seg;
+ subsegT saved_subseg = now_subseg;
+ valueT dot;
+ expressionS exp;
+ char *fragp;
+
+ if (!is_end_of_line[(unsigned char)*input_line_pointer])
+ {
+ p = get_symbol ();
+ demand_empty_rest_of_line ();
+ }
+ else
+ p = NULL;
+
+#ifdef BFD_ASSEMBLER
+ if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
+ maybe_text = 1;
+ else
+ maybe_text = 0;
+#else
+ if (now_seg != data_section && now_seg != bss_section)
+ maybe_text = 1;
+ else
+ maybe_text = 0;
+#endif
+
+ if (!maybe_text)
+ as_warn (_(".end not in text section"));
+ if (!cur_proc_ptr)
+ {
+ as_warn (_(".end directive without a preceding .ent directive."));
+ demand_empty_rest_of_line ();
+ return;
+ }
+ if (p != NULL)
+ {
+ assert (S_GET_NAME (p));
+ if (strcmp (S_GET_NAME (p), S_GET_NAME (cur_proc_ptr->isym)))
+ as_warn (_(".end symbol does not match .ent symbol."));
+ if (debug_type == DEBUG_STABS)
+ stabs_generate_asm_endfunc (S_GET_NAME (p), S_GET_NAME (p));
+ }
+ else
+ as_warn (_(".end directive missing or unknown symbol"));
+
+ if ((cur_proc_ptr->reg_mask == 0xdeadbeaf) ||
+ (cur_proc_ptr->reg_offset == 0xdeadbeaf) ||
+ (cur_proc_ptr->leaf == 0xdeafbeaf) ||
+ (cur_proc_ptr->frame_offset == 0xdeafbeaf) ||
+ (cur_proc_ptr->frame_reg == 0xdeafbeaf) || (cur_proc_ptr->pc_reg == 0xdeafbeaf));
+
+ else
+ {
+ dot = frag_now_fix ();
+ assert (pdr_seg);
+ subseg_set (pdr_seg, 0);
+ /* Write the symbol. */
+ exp.X_op = O_symbol;
+ exp.X_add_symbol = p;
+ exp.X_add_number = 0;
+ emit_expr (&exp, 4);
+ fragp = frag_more (7 * 4);
+ md_number_to_chars (fragp, (valueT) cur_proc_ptr->reg_mask, 4);
+ md_number_to_chars (fragp + 4, (valueT) cur_proc_ptr->reg_offset, 4);
+ md_number_to_chars (fragp + 8, (valueT) cur_proc_ptr->fpreg_mask, 4);
+ md_number_to_chars (fragp + 12, (valueT) cur_proc_ptr->leaf, 4);
+ md_number_to_chars (fragp + 16, (valueT) cur_proc_ptr->frame_offset, 4);
+ md_number_to_chars (fragp + 20, (valueT) cur_proc_ptr->frame_reg, 4);
+ md_number_to_chars (fragp + 24, (valueT) cur_proc_ptr->pc_reg, 4);
+ subseg_set (saved_seg, saved_subseg);
+
+ }
+ cur_proc_ptr = NULL;
+}
+
+/* Handle the .set pseudo-op. */
+static void
+s_score_set (int x ATTRIBUTE_UNUSED)
+{
+ int i = 0;
+ char name[MAX_LITERAL_POOL_SIZE];
+ char * orig_ilp = input_line_pointer;
+
+ while (!is_end_of_line[(unsigned char)*input_line_pointer])
+ {
+ name[i] = (char) * input_line_pointer;
+ i++;
+ ++input_line_pointer;
+ }
+
+ name[i] = '\0';
+
+ if (strcmp (name, "nwarn") == 0)
+ {
+ warn_fix_data_dependency = 0;
+ }
+ else if (strcmp (name, "fixdd") == 0)
+ {
+ fix_data_dependency = 1;
+ }
+ else if (strcmp (name, "nofixdd") == 0)
+ {
+ fix_data_dependency = 0;
+ }
+ else if (strcmp (name, "r1") == 0)
+ {
+ nor1 = 0;
+ }
+ else if (strcmp (name, "nor1") == 0)
+ {
+ nor1 = 1;
+ }
+ else if (strcmp (name, "optimize") == 0)
+ {
+ g_opt = 1;
+ }
+ else if (strcmp (name, "volatile") == 0)
+ {
+ g_opt = 0;
+ }
+ else if (strcmp (name, "pic") == 0)
+ {
+ score_pic = PIC;
+ }
+ else
+ {
+ input_line_pointer = orig_ilp;
+ s_set (0);
+ }
+}
+
+/* Handle the .cpload pseudo-op. This is used when generating PIC code. It sets the
+ $gp register for the function based on the function address, which is in the register
+ named in the argument. This uses a relocation against GP_DISP_LABEL, which is handled
+ specially by the linker. The result is:
+ ldis gp, %hi(GP_DISP_LABEL)
+ ori gp, %low(GP_DISP_LABEL)
+ add gp, gp, .cpload argument
+ The .cpload argument is normally r29. */
+
+static void
+s_score_cpload (int ignore ATTRIBUTE_UNUSED)
+{
+ int reg;
+ char insn_str[MAX_LITERAL_POOL_SIZE];
+
+ /* If we are not generating PIC code, .cpload is ignored. */
+ if (score_pic == NO_PIC)
+ {
+ s_ignore (0);
+ return;
+ }
+
+ if ((reg = reg_required_here (&input_line_pointer, -1, REG_TYPE_SCORE)) == (int) FAIL)
+ return;
+
+ demand_empty_rest_of_line ();
+
+ sprintf (insn_str, "ld_i32hi r%d, %s", GP, GP_DISP_LABEL);
+ if (append_insn (insn_str, TRUE) == (int) FAIL)
+ return;
+
+ sprintf (insn_str, "ld_i32lo r%d, %s", GP, GP_DISP_LABEL);
+ if (append_insn (insn_str, TRUE) == (int) FAIL)
+ return;
+
+ sprintf (insn_str, "add r%d, r%d, r%d", GP, GP, reg);
+ if (append_insn (insn_str, TRUE) == (int) FAIL)
+ return;
+}
+
+/* Handle the .cprestore pseudo-op. This stores $gp into a given
+ offset from $sp. The offset is remembered, and after making a PIC
+ call $gp is restored from that location. */
+
+static void
+s_score_cprestore (int ignore ATTRIBUTE_UNUSED)
+{
+#define SCORE_BP_REG 2
+ int cprestore_offset;
+ char insn_str[MAX_LITERAL_POOL_SIZE];
+
+ /* If we are not generating PIC code, .cprestore is ignored. */
+ if (score_pic == NO_PIC)
+ {
+ s_ignore (0);
+ return;
+ }
+
+ cprestore_offset = get_absolute_expression ();
+
+ sprintf (insn_str, "sw r%d, [r%d, %d]", GP, SCORE_BP_REG, cprestore_offset);
+ if (append_insn (insn_str, TRUE) == (int) FAIL)
+ return;
+}
+
+/* Handle the .gpword pseudo-op. This is used when generating PIC
+ code. It generates a 32 bit GP relative reloc. */
+static void
+s_score_gpword (int ignore ATTRIBUTE_UNUSED)
+{
+ expressionS ex;
+ char *p;
+
+ /* When not generating PIC code, this is treated as .word. */
+ if (score_pic == NO_PIC)
+ {
+ cons (4);
+ return;
+ }
+ expression (&ex);
+ if (ex.X_op != O_symbol || ex.X_add_number != 0)
+ {
+ as_bad (_("Unsupported use of .gpword"));
+ ignore_rest_of_line ();
+ }
+ p = frag_more (4);
+ md_number_to_chars (p, (valueT) 0, 4);
+ fix_new_exp (frag_now, p - frag_now->fr_literal, 4, &ex, FALSE, BFD_RELOC_GPREL32);
+ demand_empty_rest_of_line ();
+}
+
+/* Handle the .cpadd pseudo-op. This is used when dealing with switch
+ tables in PIC code. */
+
+static void
+s_score_cpadd (int ignore ATTRIBUTE_UNUSED)
+{
+ int reg;
+ char insn_str[MAX_LITERAL_POOL_SIZE];
+
+ /* If we are not generating PIC code, .cpload is ignored. */
+ if (score_pic == NO_PIC)
+ {
+ s_ignore (0);
+ return;
+ }
+
+ if ((reg = reg_required_here (&input_line_pointer, -1, REG_TYPE_SCORE)) == (int) FAIL)
+ {
+ return;
+ }
+ demand_empty_rest_of_line ();
+
+ /* Add $gp to the register named as an argument. */
+ sprintf (insn_str, "add r%d, r%d, r%d", reg, reg, GP);
+ if (append_insn (insn_str, TRUE) == (int) FAIL)
+ return;
+}
+
+#ifndef TC_IMPLICIT_LCOMM_ALIGNMENT
+#define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR) \
+ do \
+ { \
+ if ((SIZE) >= 8) \
+ (P2VAR) = 3; \
+ else if ((SIZE) >= 4) \
+ (P2VAR) = 2; \
+ else if ((SIZE) >= 2) \
+ (P2VAR) = 1; \
+ else \
+ (P2VAR) = 0; \
+ } \
+ while (0)
+#endif
+
+static void
+s_score_lcomm (int bytes_p)
+{
+ char *name;
+ char c;
+ char *p;
+ int temp;
+ symbolS *symbolP;
+ segT current_seg = now_seg;
+ subsegT current_subseg = now_subseg;
+ const int max_alignment = 15;
+ int align = 0;
+ segT bss_seg = bss_section;
+ int needs_align = 0;
+
+ name = input_line_pointer;
+ c = get_symbol_end ();
+ p = input_line_pointer;
+ *p = c;
+
+ if (name == p)
+ {
+ as_bad (_("expected symbol name"));
+ discard_rest_of_line ();
+ return;
+ }
+
+ SKIP_WHITESPACE ();
+
+ /* Accept an optional comma after the name. The comma used to be
+ required, but Irix 5 cc does not generate it. */
+ if (*input_line_pointer == ',')
+ {
+ ++input_line_pointer;
+ SKIP_WHITESPACE ();
+ }
+
+ if (is_end_of_line[(unsigned char)*input_line_pointer])
+ {
+ as_bad (_("missing size expression"));
+ return;
+ }
+
+ if ((temp = get_absolute_expression ()) < 0)
+ {
+ as_warn (_("BSS length (%d) < 0 ignored"), temp);
+ ignore_rest_of_line ();
+ return;
+ }
+
+#if defined (TC_SCORE)
+ if (OUTPUT_FLAVOR == bfd_target_ecoff_flavour || OUTPUT_FLAVOR == bfd_target_elf_flavour)
+ {
+ /* For Score and Alpha ECOFF or ELF, small objects are put in .sbss. */
+ if ((unsigned)temp <= bfd_get_gp_size (stdoutput))
+ {
+ bss_seg = subseg_new (".sbss", 1);
+ seg_info (bss_seg)->bss = 1;
+#ifdef BFD_ASSEMBLER
+ if (!bfd_set_section_flags (stdoutput, bss_seg, SEC_ALLOC))
+ as_warn (_("error setting flags for \".sbss\": %s"), bfd_errmsg (bfd_get_error ()));
+#endif
+ }
+ }
+#endif
+
+ SKIP_WHITESPACE ();
+ if (*input_line_pointer == ',')
+ {
+ ++input_line_pointer;
+ SKIP_WHITESPACE ();
+
+ if (is_end_of_line[(unsigned char)*input_line_pointer])
+ {
+ as_bad (_("missing alignment"));
+ return;
+ }
+ else
+ {
+ align = get_absolute_expression ();
+ needs_align = 1;
+ }
+ }
+
+ if (!needs_align)
+ {
+ TC_IMPLICIT_LCOMM_ALIGNMENT (temp, align);
+
+ /* Still zero unless TC_IMPLICIT_LCOMM_ALIGNMENT set it. */
+ if (align)
+ record_alignment (bss_seg, align);
+ }
+
+ if (needs_align)
+ {
+ if (bytes_p)
+ {
+ /* Convert to a power of 2. */
+ if (align != 0)
+ {
+ unsigned int i;
+
+ for (i = 0; align != 0; align >>= 1, ++i)
+ ;
+ align = i - 1;
+ }
+ }
+
+ if (align > max_alignment)
+ {
+ align = max_alignment;
+ as_warn (_("alignment too large; %d assumed"), align);
+ }
+ else if (align < 0)
+ {
+ align = 0;
+ as_warn (_("alignment negative; 0 assumed"));
+ }
+
+ record_alignment (bss_seg, align);
+ }
+ else
+ {
+ /* Assume some objects may require alignment on some systems. */
+#if defined (TC_ALPHA) && ! defined (VMS)
+ if (temp > 1)
+ {
+ align = ffs (temp) - 1;
+ if (temp % (1 << align))
+ abort ();
+ }
+#endif
+ }
+
+ *p = 0;
+ symbolP = symbol_find_or_make (name);
+ *p = c;
+
+ if (
+#if (defined (OBJ_AOUT) || defined (OBJ_MAYBE_AOUT) \
+ || defined (OBJ_BOUT) || defined (OBJ_MAYBE_BOUT))
+#ifdef BFD_ASSEMBLER
+ (OUTPUT_FLAVOR != bfd_target_aout_flavour
+ || (S_GET_OTHER (symbolP) == 0 && S_GET_DESC (symbolP) == 0)) &&
+#else
+ (S_GET_OTHER (symbolP) == 0 && S_GET_DESC (symbolP) == 0) &&
+#endif
+#endif
+ (S_GET_SEGMENT (symbolP) == bss_seg || (!S_IS_DEFINED (symbolP) && S_GET_VALUE (symbolP) == 0)))
+ {
+ char *pfrag;
+
+ subseg_set (bss_seg, 1);
+
+ if (align)
+ frag_align (align, 0, 0);
+
+ /* Detach from old frag. */
+ if (S_GET_SEGMENT (symbolP) == bss_seg)
+ symbol_get_frag (symbolP)->fr_symbol = NULL;
+
+ symbol_set_frag (symbolP, frag_now);
+ pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, (offsetT) temp, NULL);
+ *pfrag = 0;
+
+
+ S_SET_SEGMENT (symbolP, bss_seg);
+
+#ifdef OBJ_COFF
+ /* The symbol may already have been created with a preceding
+ ".globl" directive -- be careful not to step on storage class
+ in that case. Otherwise, set it to static. */
+ if (S_GET_STORAGE_CLASS (symbolP) != C_EXT)
+ {
+ S_SET_STORAGE_CLASS (symbolP, C_STAT);
+ }
+#endif /* OBJ_COFF */
+
+#ifdef S_SET_SIZE
+ S_SET_SIZE (symbolP, temp);
+#endif
+ }
+ else
+ as_bad (_("symbol `%s' is already defined"), S_GET_NAME (symbolP));
+
+ subseg_set (current_seg, current_subseg);
+
+ demand_empty_rest_of_line ();
+}
+
+static void
+insert_reg (const struct reg_entry *r, struct hash_control *htab)
+{
+ int i = 0;
+ int len = strlen (r->name) + 2;
+ char *buf = xmalloc (len);
+ char *buf2 = xmalloc (len);
+
+ strcpy (buf + i, r->name);
+ for (i = 0; buf[i]; i++)
+ {
+ buf2[i] = TOUPPER (buf[i]);
+ }
+ buf2[i] = '\0';
+
+ hash_insert (htab, buf, (void *) r);
+ hash_insert (htab, buf2, (void *) r);
+}
+
+static void
+build_reg_hsh (struct reg_map *map)
+{
+ const struct reg_entry *r;
+
+ if ((map->htab = hash_new ()) == NULL)
+ {
+ as_fatal (_("virtual memory exhausted"));
+ }
+ for (r = map->names; r->name != NULL; r++)
+ {
+ insert_reg (r, map->htab);
+ }
+}
+
+void
+md_begin (void)
+{
+ unsigned int i;
+ segT seg;
+ subsegT subseg;
+
+ if ((score_ops_hsh = hash_new ()) == NULL)
+ as_fatal (_("virtual memory exhausted"));
+
+ build_score_ops_hsh ();
+
+ if ((dependency_insn_hsh = hash_new ()) == NULL)
+ as_fatal (_("virtual memory exhausted"));
+
+ build_dependency_insn_hsh ();
+
+ for (i = (int)REG_TYPE_FIRST; i < (int)REG_TYPE_MAX; i++)
+ build_reg_hsh (all_reg_maps + i);
+
+ /* Initialize dependency vector. */
+ init_dependency_vector ();
+
+ bfd_set_arch_mach (stdoutput, TARGET_ARCH, 0);
+ seg = now_seg;
+ subseg = now_subseg;
+ pdr_seg = subseg_new (".pdr", (subsegT) 0);
+ (void)bfd_set_section_flags (stdoutput, pdr_seg, SEC_READONLY | SEC_RELOC | SEC_DEBUGGING);
+ (void)bfd_set_section_alignment (stdoutput, pdr_seg, 2);
+ subseg_set (seg, subseg);
+
+ if (USE_GLOBAL_POINTER_OPT)
+ bfd_set_gp_size (stdoutput, g_switch_value);
+}
+
+
+const pseudo_typeS md_pseudo_table[] =
+{
+ {"bss", s_score_bss, 0},
+ {"text", s_score_text, 0},
+ {"word", cons, 4},
+ {"long", cons, 4},
+ {"extend", float_cons, 'x'},
+ {"ldouble", float_cons, 'x'},
+ {"packed", float_cons, 'p'},
+ {"end", s_score_end, 0},
+ {"ent", s_score_ent, 0},
+ {"frame", s_score_frame, 0},
+ {"rdata", s_change_sec, 'r'},
+ {"sdata", s_change_sec, 's'},
+ {"set", s_score_set, 0},
+ {"mask", s_score_mask, 'R'},
+ {"dword", cons, 8},
+ {"lcomm", s_score_lcomm, 1},
+ {"section", score_s_section, 0},
+ {"cpload", s_score_cpload, 0},
+ {"cprestore", s_score_cprestore, 0},
+ {"gpword", s_score_gpword, 0},
+ {"cpadd", s_score_cpadd, 0},
+ {0, 0, 0}
+};
+
diff --git a/gas/config/tc-score.h b/gas/config/tc-score.h
new file mode 100644
index 0000000..2cd4039
--- /dev/null
+++ b/gas/config/tc-score.h
@@ -0,0 +1,83 @@
+/* tc-score.h -- Score specific file for assembler
+ Copyright 2006 Free Software Foundation, Inc.
+ Contributed by:
+ Mei Ligang (ligang@sunnorth.com.cn)
+ Pei-Lin Tsai (pltsai@sunplus.com)
+
+ This file is part of GAS, the GNU Assembler.
+
+ GAS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ GAS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GAS; see the file COPYING. If not, write to the Free
+ Software Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
+#ifndef TC_SCORE
+#define TC_SCORE
+
+#define TARGET_ARCH bfd_arch_score
+#define WORKING_DOT_WORD
+#define DIFF_EXPR_OK
+#define RELOC_EXPANSION_POSSIBLE
+#define MAX_RELOC_EXPANSION 2
+#define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4)
+
+#define md_undefined_symbol(name) NULL
+
+#define TARGET_FORMAT (target_big_endian ? "elf32-bigscore" : "elf32-littlescore")
+
+#define md_relax_frag(segment, fragp, stretch) score_relax_frag (segment, fragp, stretch)
+extern int score_relax_frag (asection *, struct frag *, long);
+
+#define md_frag_check(fragp) score_frag_check (fragp)
+extern void score_frag_check (fragS *);
+
+#define TC_VALIDATE_FIX(FIXP, SEGTYPE, SKIP) score_validate_fix (FIXP)
+extern void score_validate_fix (struct fix *);
+
+#define TC_FORCE_RELOCATION(FIXP) score_force_relocation (FIXP)
+extern int score_force_relocation (struct fix *);
+
+#define tc_fix_adjustable(fixp) score_fix_adjustable (fixp)
+extern bfd_boolean score_fix_adjustable (struct fix *);
+
+#define elf_tc_final_processing score_elf_final_processing
+extern void score_elf_final_processing (void);
+
+struct score_tc_frag_data
+{
+ unsigned int is_insn;
+ struct fix *fixp;
+};
+
+#define TC_FRAG_TYPE struct score_tc_frag_data
+
+#define TC_FRAG_INIT(FRAGP) \
+ do \
+ { \
+ (FRAGP)->tc_frag_data.is_insn = (((FRAGP)->fr_type == rs_machine_dependent) ? 1 : 0); \
+ } \
+ while (0)
+
+#ifdef OBJ_ELF
+#define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_"
+#else
+#define GLOBAL_OFFSET_TABLE_NAME "__GLOBAL_OFFSET_TABLE_"
+#endif
+
+enum score_pic_level
+{
+ NO_PIC,
+ PIC
+};
+
+#endif /*TC_SCORE */
diff --git a/gas/configure.tgt b/gas/configure.tgt
index edcfc34..e7c7e23 100644
--- a/gas/configure.tgt
+++ b/gas/configure.tgt
@@ -62,6 +62,8 @@ case ${cpu} in
rs6000*) cpu_type=ppc ;;
s390x*) cpu_type=s390 arch=s390x ;;
s390*) cpu_type=s390 arch=s390 ;;
+ score*l) cpu_type=score endian=little ;;
+ score*) cpu_type=score endian=big ;;
sh5le*) cpu_type=sh64 endian=little ;;
sh5*) cpu_type=sh64 endian=big ;;
sh64le*) cpu_type=sh64 endian=little ;;
@@ -315,6 +317,8 @@ case ${generic_target} in
s390-*-linux-*) fmt=elf em=linux ;;
s390-*-tpf*) fmt=elf ;;
+ score-*-elf) fmt=elf ;;
+
sh*-*-linux*) fmt=elf em=linux
case ${cpu} in
sh*eb) endian=big ;;
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index 506b705..072cfb2 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2006-09-17 Mei Ligang <ligang@sunnorth.com.cn>
+
+ * gas/score: New directory.
+ * gas/elf/section2.e-score: New file.
+ * gas/elf/elf.exp: Add special case for Score target.
+
2006-09-16 Paul Brook <paul@codesourcery.com>
* gas/arm/unwind.s: Test two argument form of .movsp.
diff --git a/gas/testsuite/gas/elf/elf.exp b/gas/testsuite/gas/elf/elf.exp
index 43265d0..2acecbf 100644
--- a/gas/testsuite/gas/elf/elf.exp
+++ b/gas/testsuite/gas/elf/elf.exp
@@ -50,6 +50,9 @@ if { ([istarget "*-*-*elf*"]
if {[istarget m32r*-*-*]} then {
set target_machine -m32r
}
+ if {[istarget "score-*-*"]} then {
+ set target_machine -score
+ }
if { ([istarget "*arm*-*-*"]
|| [istarget "xscale*-*-*"])
&& ([istarget "*-*-*eabi"]
diff --git a/gas/testsuite/gas/elf/section2.e-score b/gas/testsuite/gas/elf/section2.e-score
new file mode 100644
index 0000000..6f30cba
--- /dev/null
+++ b/gas/testsuite/gas/elf/section2.e-score
@@ -0,0 +1,9 @@
+
+Symbol table '.symtab' contains 6 entries:
+ Num: Value Size Type Bind Vis Ndx Name
+ 0: 00000000 0 NOTYPE LOCAL DEFAULT UND
+ 1: 00000000 0 SECTION LOCAL DEFAULT 1
+ 2: 00000000 0 SECTION LOCAL DEFAULT 2
+ 3: 00000000 0 SECTION LOCAL DEFAULT 3
+ 4: 00000000 0 SECTION LOCAL DEFAULT 5
+ 5: 00000000 0 SECTION LOCAL DEFAULT 4
generated by cgit v1.1 at 2024-12-16 17:46:16 +0000