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jlechner |
/* tc-sh64.c -- Assemble code for the SuperH SH SHcompact and SHmedia.
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Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
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Free Software Foundation.
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to
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the Free Software Foundation, 51 Franklin Street - Fifth Floor,
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Boston, MA 02110-1301, USA. */
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/* This file defines SHmedia ISA-specific functions and includes tc-sh.c.
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The SHcompact ISA is in all useful aspects the "old" sh4 as implemented
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in tc-sh.c. Not making this file part of tc-sh.c makes it easier to
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keep a leaner sh[1-4]-only implementation. */
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#define HAVE_SH64
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#include "as.h"
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#include "safe-ctype.h"
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#include "opcodes/sh64-opc.h"
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#ifndef OBJ_ELF
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#error This file assumes object output is in the ELF format
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#endif
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/* Suffix used when we make "datalabel" symbol copies. It must not
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collide with anything that can normally appear in a symbol, "faked
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symbol" or local symbol. */
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#define DATALABEL_SUFFIX " DL"
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/* See shmedia_md_apply_fix and shmedia_md_pcrel_from_section for usage. */
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#define SHMEDIA_MD_PCREL_FROM_FIX(FIXP) \
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((FIXP)->fx_size + (FIXP)->fx_where + (FIXP)->fx_frag->fr_address - 4)
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/* We use this internally to see which one is PT and which is a PTA/PTB
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that should be error-checked. We give it a better name here (but not
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one that looks official). Adding it to reloc.c would make it look too
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much of a real reloc; it is just used temporarily as a fixup-type. */
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#define SHMEDIA_BFD_RELOC_PT BFD_RELOC_12_PCREL
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typedef struct
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{
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shmedia_arg_type type;
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/* These could go into a union, but that would uglify the code. */
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int reg;
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expressionS immediate;
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/* If IMMEDIATE was a shift-expression, like "(S >> N) & 65535", where
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N = 0, 16, 32, 48, used to extract a certain 16-bit-field to make up
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a MOVI or SHORI relocation for a symbol, then we put the
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corresponding reloc-type here and modify the "immediate" expression
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to S. Otherwise, this is just BFD_RELOC_NONE. */
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bfd_reloc_code_real_type reloctype;
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} shmedia_operand_info;
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/* Frag containing last base instruction. This is put in the TC field in
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a frag, so we can emit fixups for fr_opcode without needing to make
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sure that the opcode is in the same frag as any variant operand. */
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fragS *sh64_last_insn_frag = NULL;
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typedef struct
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{
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shmedia_operand_info operands[3];
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unsigned long ops_val;
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} shmedia_operands_info;
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enum sh64_abi_values
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{ sh64_abi_unspecified, sh64_abi_32, sh64_abi_64 };
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/* What ISA are we assembling code for? */
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enum sh64_isa_values sh64_isa_mode = sh64_isa_unspecified;
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/* What ABI was specified, if any (implicitly or explicitly)? */
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static enum sh64_abi_values sh64_abi = sh64_abi_unspecified;
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/* A note that says if we're in a sequence of insns without label
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settings, segment or ISA mode changes or emitted data. */
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static bfd_boolean seen_insn = FALSE;
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/* This is set to TRUE in shmedia_md_end, so that we don't emit any
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.cranges entries when the assembler calls output functions while
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grinding along after all input is seen. */
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static bfd_boolean sh64_end_of_assembly = FALSE;
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/* Controlled by the option -no-mix, this invalidates mixing SHcompact and
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SHmedia code in the same section, and also invalidates mixing data and
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SHmedia code in the same section. No .cranges will therefore be
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emitted, unless -shcompact-const-crange is specified and there is a
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constant pool in SHcompact code. */
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static bfd_boolean sh64_mix = TRUE;
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static bfd_boolean sh64_shcompact_const_crange = FALSE;
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/* Controlled by the option -no-expand, this says whether or not we expand
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MOVI and PT/PTA/PTB. When we do not expand these insns to fit an
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operand, we will emit errors for operands out of range and generate the
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basic instruction and reloc for an external symbol. */
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static bfd_boolean sh64_expand = TRUE;
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/* Controlled by the option -expand-pt32, this says whether we expand
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PT/PTA/PTB of an external symbol to (only) 32 or (the full) 64 bits
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when -abi=64 is in effect. */
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static bfd_boolean sh64_pt32 = FALSE;
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/* When emitting a .cranges descriptor, we want to avoid getting recursive
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calls through emit_expr. */
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static bfd_boolean emitting_crange = FALSE;
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/* SHmedia mnemonics. */
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static struct hash_control *shmedia_opcode_hash_control = NULL;
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static const unsigned char shmedia_big_nop_pattern[4] =
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{
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(SHMEDIA_NOP_OPC >> 24) & 255, (SHMEDIA_NOP_OPC >> 16) & 255,
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(SHMEDIA_NOP_OPC >> 8) & 255, SHMEDIA_NOP_OPC & 255
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};
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static const unsigned char shmedia_little_nop_pattern[4] =
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{
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SHMEDIA_NOP_OPC & 255, (SHMEDIA_NOP_OPC >> 8) & 255,
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(SHMEDIA_NOP_OPC >> 16) & 255, (SHMEDIA_NOP_OPC >> 24) & 255
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};
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static void shmedia_md_begin (void);
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static int shmedia_parse_reg (char *, int *, int *, shmedia_arg_type);
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static void shmedia_md_assemble (char *);
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static void shmedia_md_apply_fix (fixS *, valueT *);
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static int shmedia_md_estimate_size_before_relax (fragS *, segT);
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static int shmedia_init_reloc (arelent *, fixS *);
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static char *shmedia_get_operands (shmedia_opcode_info *, char *,
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shmedia_operands_info *);
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static void s_sh64_mode (int);
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static void s_sh64_abi (int);
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static void shmedia_md_convert_frag (bfd *, segT, fragS *, bfd_boolean);
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static void shmedia_check_limits (offsetT *, bfd_reloc_code_real_type,
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fixS *);
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static void sh64_set_contents_type (enum sh64_elf_cr_type);
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static void shmedia_get_operand (char **, shmedia_operand_info *,
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shmedia_arg_type);
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static unsigned long shmedia_immediate_op (char *, shmedia_operand_info *,
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int, bfd_reloc_code_real_type);
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static char *shmedia_parse_exp (char *, shmedia_operand_info *);
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static void shmedia_frob_file_before_adjust (void);
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static void sh64_emit_crange (symbolS *, symbolS *, enum sh64_elf_cr_type);
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static void sh64_flush_last_crange (bfd *, asection *, void *);
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static void sh64_flag_output (void);
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static void sh64_update_contents_mark (bfd_boolean);
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static void sh64_vtable_entry (int);
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static void sh64_vtable_inherit (int);
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static char *strip_datalabels (void);
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static int shmedia_build_Mytes (shmedia_opcode_info *,
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shmedia_operands_info *);
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static shmedia_opcode_info *shmedia_find_cooked_opcode (char **);
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static unsigned long shmedia_mask_number (unsigned long,
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bfd_reloc_code_real_type);
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#include "tc-sh.c"
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void
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shmedia_md_end (void)
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{
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symbolS *symp;
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/* First, update the last range to include whatever data was last
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emitted. */
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sh64_update_contents_mark (TRUE);
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/* Make sure frags generated after this point are not marked with the
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wrong ISA; make them easily spottable. We still want to distinguish
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it from sh64_isa_unspecified when we compile for SHcompact or
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SHmedia. */
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if (sh64_isa_mode != sh64_isa_unspecified)
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sh64_isa_mode = sh64_isa_sh5_guard;
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sh64_end_of_assembly = TRUE;
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bfd_map_over_sections (stdoutput, sh64_flush_last_crange, NULL);
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/* Iterate over segments and emit the last .cranges descriptor. */
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for (symp = symbol_rootP; symp != NULL; symp = symp->sy_next)
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{
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symbolS *mainsym = *symbol_get_tc (symp);
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/* Is this a datalabel symbol; does it have a pointer to the main
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symbol? */
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if (mainsym != NULL)
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{
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/* If the datalabel symbol is undefined, check if the main
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symbol has changed in that respect. */
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if (S_GET_SEGMENT (symp) == undefined_section)
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{
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segT symseg;
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symseg = S_GET_SEGMENT (mainsym);
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/* If the symbol is now defined to something that is not
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global and without STO_SH5_ISA32, we just equate the
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datalabel symbol to the main symbol, and the lack of
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STO_SH5_ISA32 will handle the datalabelness. */
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if (symseg != undefined_section)
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{
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if (S_GET_OTHER (mainsym) != STO_SH5_ISA32)
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{
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symp->sy_value.X_op = O_symbol;
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symp->sy_value.X_add_symbol = mainsym;
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symp->sy_value.X_op_symbol = NULL;
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symp->sy_value.X_add_number = 0;
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S_SET_SEGMENT (symp, S_GET_SEGMENT (mainsym));
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symbol_set_frag (symp, &zero_address_frag);
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copy_symbol_attributes (symp, mainsym);
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}
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else
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{
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/* An undefined symbol has since we saw it at
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"datalabel", been defined to a BranchTarget
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symbol. What we need to do here is very similar
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to when we find the "datalabel" for a defined
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symbol. FIXME: Break out to common function. */
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symbol_set_value_expression (symp,
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symbol_get_value_expression
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(mainsym));
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S_SET_SEGMENT (symp, symseg);
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symbol_set_frag (symp, symbol_get_frag (mainsym));
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copy_symbol_attributes (symp, mainsym);
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/* Unset the BranchTarget mark that can be set at
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attribute-copying. */
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S_SET_OTHER (symp,
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S_GET_OTHER (symp) & ~STO_SH5_ISA32);
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/* The GLOBAL and WEAK attributes are not copied
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over by copy_symbol_attributes. Do it here. */
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if (S_IS_WEAK (mainsym))
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S_SET_WEAK (symp);
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else if (S_IS_EXTERNAL (mainsym))
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S_SET_EXTERNAL (symp);
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}
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}
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else
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{
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/* A symbol that was defined at the time we saw
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"datalabel" can since have been attributed with being
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weak or global. */
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if (S_IS_WEAK (mainsym))
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S_SET_WEAK (symp);
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else if (S_IS_EXTERNAL (mainsym))
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S_SET_EXTERNAL (symp);
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}
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}
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}
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}
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for (symp = symbol_rootP; symp != NULL; symp = symp->sy_next)
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if (S_GET_OTHER (symp) & STO_SH5_ISA32)
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symp->sy_value.X_add_number++;
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}
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/* When resolving symbols, the main assembler has done us a misfavour. It
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has removed the equation to the main symbol for a datalabel reference
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that should be equal to the main symbol, e.g. when it's a global or
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weak symbol and is a non-BranchTarget symbol anyway. We change that
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back, so that relocs are against the main symbol, not the local "section
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+ offset" value. */
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276 |
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static void
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shmedia_frob_file_before_adjust (void)
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{
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280 |
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symbolS *symp;
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for (symp = symbol_rootP; symp != NULL; symp = symp->sy_next)
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{
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symbolS *mainsym = *symbol_get_tc (symp);
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if (mainsym != NULL
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&& S_GET_OTHER (mainsym) != STO_SH5_ISA32
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&& (S_IS_EXTERNAL (mainsym) || S_IS_WEAK (mainsym)))
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{
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symp->sy_value.X_op = O_symbol;
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symp->sy_value.X_add_symbol = mainsym;
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symp->sy_value.X_op_symbol = NULL;
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symp->sy_value.X_add_number = 0;
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/* For the "equation trick" to work, we have to set the section
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to undefined. */
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S_SET_SEGMENT (symp, undefined_section);
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symbol_set_frag (symp, &zero_address_frag);
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copy_symbol_attributes (symp, mainsym);
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/* Don't forget to remove the STO_SH5_ISA32 attribute after
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copying the other attributes. */
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S_SET_OTHER (symp, S_GET_OTHER (symp) & ~STO_SH5_ISA32);
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}
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}
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}
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306 |
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307 |
|
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/* We need to mark the current location after the alignment. This is
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copied code the caller, do_align. We mark the frag location before and
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309 |
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after as we need and arrange to skip the same code in do_align.
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310 |
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311 |
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An alternative to code duplication is to call the do_align recursively,
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arranging to fall through into do_align if we're already here. That
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would require do_align as an incoming function parameter, since it's
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314 |
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static in read.c. That solution was discarded a too kludgy. */
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315 |
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316 |
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void
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317 |
|
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sh64_do_align (int n, const char *fill, int len, int max)
|
318 |
|
|
{
|
319 |
|
|
/* Update region, or put a data region in front. */
|
320 |
|
|
sh64_update_contents_mark (TRUE);
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321 |
|
|
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322 |
|
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/* Only make a frag if we HAVE to... */
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323 |
|
|
if (n != 0 && !need_pass_2)
|
324 |
|
|
{
|
325 |
|
|
if (fill == NULL)
|
326 |
|
|
{
|
327 |
|
|
if (subseg_text_p (now_seg))
|
328 |
|
|
frag_align_code (n, max);
|
329 |
|
|
else
|
330 |
|
|
frag_align (n, 0, max);
|
331 |
|
|
}
|
332 |
|
|
else if (len <= 1)
|
333 |
|
|
frag_align (n, *fill, max);
|
334 |
|
|
else
|
335 |
|
|
frag_align_pattern (n, fill, len, max);
|
336 |
|
|
}
|
337 |
|
|
|
338 |
|
|
/* Update mark for current region with current type. */
|
339 |
|
|
sh64_update_contents_mark (FALSE);
|
340 |
|
|
}
|
341 |
|
|
|
342 |
|
|
/* The MAX_MEM_FOR_RS_ALIGN_CODE worker. We have to find out the ISA of
|
343 |
|
|
the current segment at this position. We can't look just at
|
344 |
|
|
sh64_isa_shmedia, and we can't look at frag_now. This is brittle:
|
345 |
|
|
callers are currently frag_align_code from subsegs_finish in write.c
|
346 |
|
|
(end of assembly) and frag_align_code from do_align in read.c (during
|
347 |
|
|
assembly). */
|
348 |
|
|
|
349 |
|
|
int
|
350 |
|
|
sh64_max_mem_for_rs_align_code (void)
|
351 |
|
|
{
|
352 |
|
|
segment_info_type *seginfo;
|
353 |
|
|
fragS *mode_start_frag;
|
354 |
|
|
seginfo = seg_info (now_seg);
|
355 |
|
|
|
356 |
|
|
/* We don't use the contents type we find at the tc_segment_info_data,
|
357 |
|
|
since that does not give us absolute information about the ISA; the
|
358 |
|
|
contents type can presumably be CRT_DATA and we'd be none the wiser.
|
359 |
|
|
Instead we use the information stored at the frag of the symbol at
|
360 |
|
|
the start of this range. If any information is missing or NULL,
|
361 |
|
|
assume SHcompact. */
|
362 |
|
|
return
|
363 |
|
|
/* If the current ISA mode is SHmedia, that's the mode that we're
|
364 |
|
|
going to assign to the new frag, so request enough memory for
|
365 |
|
|
it, even if we switch modes afterwards, otherwise we may
|
366 |
|
|
allocate too little memory and end up overflowing our buffer. */
|
367 |
|
|
(sh64_isa_mode == sh64_isa_shmedia
|
368 |
|
|
|| (sh64_isa_mode != sh64_isa_unspecified
|
369 |
|
|
&& seginfo != NULL
|
370 |
|
|
&& seginfo->tc_segment_info_data.mode_start_symbol != NULL
|
371 |
|
|
&& ((mode_start_frag
|
372 |
|
|
= (symbol_get_frag
|
373 |
|
|
(seginfo->tc_segment_info_data.mode_start_symbol)))
|
374 |
|
|
!= NULL)
|
375 |
|
|
&& mode_start_frag->tc_frag_data.isa == sh64_isa_shmedia))
|
376 |
|
|
? (3 + 4) : (2 + 1);
|
377 |
|
|
}
|
378 |
|
|
|
379 |
|
|
/* Put in SHmedia NOP:s if the alignment was created when in SHmedia mode. */
|
380 |
|
|
|
381 |
|
|
void
|
382 |
|
|
sh64_handle_align (fragS * frag)
|
383 |
|
|
{
|
384 |
|
|
int bytes = frag->fr_next->fr_address - frag->fr_address - frag->fr_fix;
|
385 |
|
|
char * p = frag->fr_literal + frag->fr_fix;
|
386 |
|
|
|
387 |
|
|
if (frag->tc_frag_data.isa == sh64_isa_shmedia
|
388 |
|
|
&& frag->fr_type == rs_align_code)
|
389 |
|
|
{
|
390 |
|
|
while (bytes & 3)
|
391 |
|
|
{
|
392 |
|
|
*p++ = 0;
|
393 |
|
|
bytes--;
|
394 |
|
|
frag->fr_fix += 1;
|
395 |
|
|
}
|
396 |
|
|
|
397 |
|
|
if (target_big_endian)
|
398 |
|
|
{
|
399 |
|
|
memcpy (p, shmedia_big_nop_pattern,
|
400 |
|
|
sizeof shmedia_big_nop_pattern);
|
401 |
|
|
frag->fr_var = sizeof shmedia_big_nop_pattern;
|
402 |
|
|
}
|
403 |
|
|
else
|
404 |
|
|
{
|
405 |
|
|
memcpy (p, shmedia_little_nop_pattern,
|
406 |
|
|
sizeof shmedia_little_nop_pattern);
|
407 |
|
|
frag->fr_var = sizeof shmedia_little_nop_pattern;
|
408 |
|
|
}
|
409 |
|
|
}
|
410 |
|
|
else
|
411 |
|
|
/* Punt to SHcompact function. */
|
412 |
|
|
sh_handle_align (frag);
|
413 |
|
|
}
|
414 |
|
|
|
415 |
|
|
/* Set SEC_SH64_ISA32 for SHmedia sections. */
|
416 |
|
|
|
417 |
|
|
void
|
418 |
|
|
shmedia_frob_section_type (asection *sec)
|
419 |
|
|
{
|
420 |
|
|
segment_info_type *seginfo;
|
421 |
|
|
seginfo = seg_info (sec);
|
422 |
|
|
|
423 |
|
|
/* This and elf32-sh64.c:sh64_elf_fake_sections are the only places
|
424 |
|
|
where we use anything else than ELF header flags to communicate the
|
425 |
|
|
section as containing SHmedia or other contents. BFD SEC_* section
|
426 |
|
|
flags are running out and should not be overloaded with
|
427 |
|
|
target-specific semantics. This target is ELF only (semantics not
|
428 |
|
|
defined for other formats), so we use the target-specific pointer
|
429 |
|
|
field of the ELF section data. */
|
430 |
|
|
if (seginfo && sh64_abi == sh64_abi_32)
|
431 |
|
|
{
|
432 |
|
|
struct sh64_section_data *sec_elf_data;
|
433 |
|
|
flagword sec_type = 0;
|
434 |
|
|
|
435 |
|
|
if (seginfo->tc_segment_info_data.emitted_ranges != 0)
|
436 |
|
|
sec_type = SHF_SH5_ISA32_MIXED;
|
437 |
|
|
else if (seginfo->tc_segment_info_data.contents_type == CRT_SH5_ISA32)
|
438 |
|
|
sec_type = SHF_SH5_ISA32;
|
439 |
|
|
|
440 |
|
|
sec_elf_data = sh64_elf_section_data (sec)->sh64_info;
|
441 |
|
|
if (sec_elf_data == NULL)
|
442 |
|
|
{
|
443 |
|
|
sec_elf_data = xcalloc (1, sizeof (*sec_elf_data));
|
444 |
|
|
sh64_elf_section_data (sec)->sh64_info = sec_elf_data;
|
445 |
|
|
}
|
446 |
|
|
|
447 |
|
|
sec_elf_data->contents_flags = sec_type;
|
448 |
|
|
}
|
449 |
|
|
}
|
450 |
|
|
|
451 |
|
|
/* This function is called by write_object_file right before the symbol
|
452 |
|
|
table is written. We subtract 1 from all symbols marked STO_SH5_ISA32,
|
453 |
|
|
as their values are temporarily incremented in shmedia_md_end, before
|
454 |
|
|
symbols values are used by relocs and fixups.
|
455 |
|
|
|
456 |
|
|
To increment all symbols and then decrement here is admittedly a
|
457 |
|
|
hackish solution. The alternative is to add infrastructure and hooks
|
458 |
|
|
to symbol evaluation that evaluates symbols differently internally to
|
459 |
|
|
the value output into the object file, but at the moment that just
|
460 |
|
|
seems too much for little benefit. */
|
461 |
|
|
|
462 |
|
|
void
|
463 |
|
|
sh64_adjust_symtab (void)
|
464 |
|
|
{
|
465 |
|
|
symbolS *symp;
|
466 |
|
|
|
467 |
|
|
for (symp = symbol_rootP; symp; symp = symbol_next (symp))
|
468 |
|
|
{
|
469 |
|
|
symbolS *main_symbol = *symbol_get_tc (symp);
|
470 |
|
|
|
471 |
|
|
if (main_symbol)
|
472 |
|
|
{
|
473 |
|
|
char *sym_name = (char *) S_GET_NAME (symp);
|
474 |
|
|
|
475 |
|
|
/* All datalabels not used in relocs should be gone by now.
|
476 |
|
|
|
477 |
|
|
We change those remaining to have the name of the main
|
478 |
|
|
symbol, and we set the ELF type of the symbol of the reloc to
|
479 |
|
|
STT_DATALABEL. */
|
480 |
|
|
sym_name[strlen (sym_name) - strlen (DATALABEL_SUFFIX)] = 0;
|
481 |
|
|
elf_symbol (symbol_get_bfdsym (symp))->internal_elf_sym.st_info
|
482 |
|
|
= STT_DATALABEL;
|
483 |
|
|
|
484 |
|
|
/* Also set this symbol to "undefined", so we'll have only one
|
485 |
|
|
definition. */
|
486 |
|
|
S_SET_SEGMENT (symp, undefined_section);
|
487 |
|
|
}
|
488 |
|
|
else if (S_GET_OTHER (symp) & STO_SH5_ISA32)
|
489 |
|
|
{
|
490 |
|
|
/* It's important to change the BFD symbol value, since it is now
|
491 |
|
|
set to the GAS symbolS value. */
|
492 |
|
|
symp->bsym->value--;
|
493 |
|
|
|
494 |
|
|
/* Note that we do *not* adjust symp->sy_value.X_add_number. If
|
495 |
|
|
you do this, the test case in sh/sh64/immexpr2.s will fail.
|
496 |
|
|
This is because *after* symbols have been output but before
|
497 |
|
|
relocs are output, fixups are inspected one more time, and
|
498 |
|
|
some leftover expressions are resolved. To resolve to the
|
499 |
|
|
same values, those expressions must have the same GAS symbol
|
500 |
|
|
values before as after symbols have been output. We could
|
501 |
|
|
"symp->sy_value.X_add_number++" on the STO_SH5_ISA32 symbols
|
502 |
|
|
through tc_frob_file after symbols have been output, but that
|
503 |
|
|
would be too gross. */
|
504 |
|
|
}
|
505 |
|
|
}
|
506 |
|
|
}
|
507 |
|
|
|
508 |
|
|
/* Fill-in an allocated arelent. */
|
509 |
|
|
|
510 |
|
|
static int
|
511 |
|
|
shmedia_init_reloc (arelent *rel, fixS *fixP)
|
512 |
|
|
{
|
513 |
|
|
/* Adjust parts of *relp according to *fixp, and tell that it has been
|
514 |
|
|
done, so default initializations will not happen. */
|
515 |
|
|
switch (fixP->fx_r_type)
|
516 |
|
|
{
|
517 |
|
|
case BFD_RELOC_64:
|
518 |
|
|
case BFD_RELOC_64_PCREL:
|
519 |
|
|
case BFD_RELOC_SH_IMM_LOW16:
|
520 |
|
|
case BFD_RELOC_SH_IMM_MEDLOW16:
|
521 |
|
|
case BFD_RELOC_SH_IMM_MEDHI16:
|
522 |
|
|
case BFD_RELOC_SH_IMM_HI16:
|
523 |
|
|
case BFD_RELOC_SH_IMM_LOW16_PCREL:
|
524 |
|
|
case BFD_RELOC_SH_IMM_MEDLOW16_PCREL:
|
525 |
|
|
case BFD_RELOC_SH_IMM_MEDHI16_PCREL:
|
526 |
|
|
case BFD_RELOC_SH_IMM_HI16_PCREL:
|
527 |
|
|
case BFD_RELOC_SH_IMMU5:
|
528 |
|
|
case BFD_RELOC_SH_IMMU6:
|
529 |
|
|
case BFD_RELOC_SH_IMMS6:
|
530 |
|
|
case BFD_RELOC_SH_IMMS10:
|
531 |
|
|
case BFD_RELOC_SH_IMMS10BY2:
|
532 |
|
|
case BFD_RELOC_SH_IMMS10BY4:
|
533 |
|
|
case BFD_RELOC_SH_IMMS10BY8:
|
534 |
|
|
case BFD_RELOC_SH_IMMS16:
|
535 |
|
|
case BFD_RELOC_SH_IMMU16:
|
536 |
|
|
case BFD_RELOC_SH_PT_16:
|
537 |
|
|
case BFD_RELOC_SH_GOT_LOW16:
|
538 |
|
|
case BFD_RELOC_SH_GOT_MEDLOW16:
|
539 |
|
|
case BFD_RELOC_SH_GOT_MEDHI16:
|
540 |
|
|
case BFD_RELOC_SH_GOT_HI16:
|
541 |
|
|
case BFD_RELOC_SH_GOT10BY4:
|
542 |
|
|
case BFD_RELOC_SH_GOT10BY8:
|
543 |
|
|
case BFD_RELOC_SH_GOTPLT_LOW16:
|
544 |
|
|
case BFD_RELOC_SH_GOTPLT_MEDLOW16:
|
545 |
|
|
case BFD_RELOC_SH_GOTPLT_MEDHI16:
|
546 |
|
|
case BFD_RELOC_SH_GOTPLT_HI16:
|
547 |
|
|
case BFD_RELOC_SH_GOTPLT10BY4:
|
548 |
|
|
case BFD_RELOC_SH_GOTPLT10BY8:
|
549 |
|
|
case BFD_RELOC_SH_GOTOFF_LOW16:
|
550 |
|
|
case BFD_RELOC_SH_GOTOFF_MEDLOW16:
|
551 |
|
|
case BFD_RELOC_SH_GOTOFF_MEDHI16:
|
552 |
|
|
case BFD_RELOC_SH_GOTOFF_HI16:
|
553 |
|
|
case BFD_RELOC_SH_GOTPC_LOW16:
|
554 |
|
|
case BFD_RELOC_SH_GOTPC_MEDLOW16:
|
555 |
|
|
case BFD_RELOC_SH_GOTPC_MEDHI16:
|
556 |
|
|
case BFD_RELOC_SH_GOTPC_HI16:
|
557 |
|
|
case BFD_RELOC_SH_PLT_LOW16:
|
558 |
|
|
case BFD_RELOC_SH_PLT_MEDLOW16:
|
559 |
|
|
case BFD_RELOC_SH_PLT_MEDHI16:
|
560 |
|
|
case BFD_RELOC_SH_PLT_HI16:
|
561 |
|
|
rel->addend = fixP->fx_addnumber + fixP->fx_offset;
|
562 |
|
|
return 1;
|
563 |
|
|
|
564 |
|
|
case BFD_RELOC_SH_IMMS6BY32:
|
565 |
|
|
/* This must be resolved in assembly; we do not support it as a
|
566 |
|
|
reloc in an object file. */
|
567 |
|
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
568 |
|
|
_("This operand must be constant at assembly time"));
|
569 |
|
|
break;
|
570 |
|
|
|
571 |
|
|
/* There are valid cases where we get here for other than SHmedia
|
572 |
|
|
relocs, so don't make a BAD_CASE out of this. */
|
573 |
|
|
default:
|
574 |
|
|
;
|
575 |
|
|
}
|
576 |
|
|
|
577 |
|
|
return 0;
|
578 |
|
|
}
|
579 |
|
|
|
580 |
|
|
/* Hook called from md_apply_fix in tc-sh.c. */
|
581 |
|
|
|
582 |
|
|
static void
|
583 |
|
|
shmedia_md_apply_fix (fixS *fixP, valueT *valp)
|
584 |
|
|
{
|
585 |
|
|
offsetT val = *valp;
|
586 |
|
|
char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
|
587 |
|
|
unsigned long insn
|
588 |
|
|
= target_big_endian ? bfd_getb32 (buf) : bfd_getl32 (buf);
|
589 |
|
|
bfd_reloc_code_real_type orig_fx_r_type = fixP->fx_r_type;
|
590 |
|
|
|
591 |
|
|
/* Change a 64-bit pc-relative reloc into the correct type, just like
|
592 |
|
|
tc-sh.c:md_apply_fix. */
|
593 |
|
|
if (fixP->fx_pcrel)
|
594 |
|
|
{
|
595 |
|
|
switch (orig_fx_r_type)
|
596 |
|
|
{
|
597 |
|
|
case BFD_RELOC_64:
|
598 |
|
|
case BFD_RELOC_SH_IMM_LOW16:
|
599 |
|
|
case BFD_RELOC_SH_IMM_MEDLOW16:
|
600 |
|
|
case BFD_RELOC_SH_IMM_MEDHI16:
|
601 |
|
|
case BFD_RELOC_SH_IMM_HI16:
|
602 |
|
|
/* Because write.c calls MD_PCREL_FROM_SECTION twice, we need to
|
603 |
|
|
undo one of the adjustments, if the relocation is not
|
604 |
|
|
actually for a symbol within the same segment (which we
|
605 |
|
|
cannot check, because we're not called from md_apply_fix, so
|
606 |
|
|
we have to keep the reloc). FIXME: This is a bug in
|
607 |
|
|
write.c:fixup_segment affecting most targets that change
|
608 |
|
|
ordinary relocs to pcrel relocs in md_apply_fix. */
|
609 |
|
|
fixP->fx_offset
|
610 |
|
|
= *valp + SHMEDIA_MD_PCREL_FROM_FIX (fixP);
|
611 |
|
|
break;
|
612 |
|
|
|
613 |
|
|
case BFD_RELOC_SH_PLT_LOW16:
|
614 |
|
|
case BFD_RELOC_SH_PLT_MEDLOW16:
|
615 |
|
|
case BFD_RELOC_SH_PLT_MEDHI16:
|
616 |
|
|
case BFD_RELOC_SH_PLT_HI16:
|
617 |
|
|
case BFD_RELOC_SH_GOTPC_LOW16:
|
618 |
|
|
case BFD_RELOC_SH_GOTPC_MEDLOW16:
|
619 |
|
|
case BFD_RELOC_SH_GOTPC_MEDHI16:
|
620 |
|
|
case BFD_RELOC_SH_GOTPC_HI16:
|
621 |
|
|
*valp = 0;
|
622 |
|
|
return;
|
623 |
|
|
|
624 |
|
|
default:
|
625 |
|
|
;
|
626 |
|
|
}
|
627 |
|
|
|
628 |
|
|
/* We might need to change some relocs into the corresponding
|
629 |
|
|
PC-relative one. */
|
630 |
|
|
switch (orig_fx_r_type)
|
631 |
|
|
{
|
632 |
|
|
case BFD_RELOC_64:
|
633 |
|
|
fixP->fx_r_type = BFD_RELOC_64_PCREL;
|
634 |
|
|
break;
|
635 |
|
|
|
636 |
|
|
case BFD_RELOC_SH_IMM_LOW16:
|
637 |
|
|
fixP->fx_r_type = BFD_RELOC_SH_IMM_LOW16_PCREL;
|
638 |
|
|
break;
|
639 |
|
|
|
640 |
|
|
case BFD_RELOC_SH_IMM_MEDLOW16:
|
641 |
|
|
fixP->fx_r_type = BFD_RELOC_SH_IMM_MEDLOW16_PCREL;
|
642 |
|
|
break;
|
643 |
|
|
|
644 |
|
|
case BFD_RELOC_SH_IMM_MEDHI16:
|
645 |
|
|
fixP->fx_r_type = BFD_RELOC_SH_IMM_MEDHI16_PCREL;
|
646 |
|
|
break;
|
647 |
|
|
|
648 |
|
|
case BFD_RELOC_SH_IMM_HI16:
|
649 |
|
|
fixP->fx_r_type = BFD_RELOC_SH_IMM_HI16_PCREL;
|
650 |
|
|
break;
|
651 |
|
|
|
652 |
|
|
case SHMEDIA_BFD_RELOC_PT:
|
653 |
|
|
/* This is how we see a difference between PT and PTA when not
|
654 |
|
|
expanding (in which case we handle it in
|
655 |
|
|
shmedia_md_convert_frag). Note that we don't see a
|
656 |
|
|
difference after the reloc is emitted. */
|
657 |
|
|
fixP->fx_r_type = BFD_RELOC_SH_PT_16;
|
658 |
|
|
break;
|
659 |
|
|
|
660 |
|
|
case BFD_RELOC_SH_PT_16:
|
661 |
|
|
/* This tells us there was a PTA or PTB insn explicitly
|
662 |
|
|
expressed as such (not as PT). We "or" in a 1 into the
|
663 |
|
|
lowest bit in the (unused) destination field to tell the
|
664 |
|
|
linker that it should check the right ISA type of the
|
665 |
|
|
destination and not just change a PTA to PTB (if necessary). */
|
666 |
|
|
md_number_to_chars (buf, insn | (1 << 10), 4);
|
667 |
|
|
break;
|
668 |
|
|
|
669 |
|
|
case BFD_RELOC_64_PCREL:
|
670 |
|
|
case BFD_RELOC_SH_IMM_LOW16_PCREL:
|
671 |
|
|
case BFD_RELOC_SH_IMM_MEDLOW16_PCREL:
|
672 |
|
|
case BFD_RELOC_SH_IMM_MEDHI16_PCREL:
|
673 |
|
|
case BFD_RELOC_SH_IMM_HI16_PCREL:
|
674 |
|
|
/* Already handled. */
|
675 |
|
|
break;
|
676 |
|
|
|
677 |
|
|
default:
|
678 |
|
|
/* Everything else that changes into a pc-relative relocation is
|
679 |
|
|
an error. */
|
680 |
|
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
681 |
|
|
_("Invalid operand expression"));
|
682 |
|
|
break;
|
683 |
|
|
}
|
684 |
|
|
|
685 |
|
|
return;
|
686 |
|
|
}
|
687 |
|
|
|
688 |
|
|
/* If an expression looked like it was PC-relative, but was completely
|
689 |
|
|
resolvable, we end up here with the result only in *VALP, and no
|
690 |
|
|
relocation will be emitted. */
|
691 |
|
|
if (fixP->fx_addsy == NULL && fixP->fx_pcrel == 0)
|
692 |
|
|
{
|
693 |
|
|
/* Emit error for an out-of-range value. */
|
694 |
|
|
shmedia_check_limits ((offsetT *) valp, fixP->fx_r_type, fixP);
|
695 |
|
|
|
696 |
|
|
switch (fixP->fx_r_type)
|
697 |
|
|
{
|
698 |
|
|
case BFD_RELOC_SH_IMM_LOW16:
|
699 |
|
|
md_number_to_chars (buf, insn | ((val & 65535) << 10), 4);
|
700 |
|
|
break;
|
701 |
|
|
|
702 |
|
|
case BFD_RELOC_SH_IMM_MEDLOW16:
|
703 |
|
|
md_number_to_chars (buf,
|
704 |
|
|
insn
|
705 |
|
|
| ((valueT) (val & ((valueT) 65535 << 16))
|
706 |
|
|
>> (16 - 10)), 4);
|
707 |
|
|
break;
|
708 |
|
|
|
709 |
|
|
case BFD_RELOC_SH_IMM_MEDHI16:
|
710 |
|
|
md_number_to_chars (buf,
|
711 |
|
|
insn
|
712 |
|
|
| ((valueT) (val & ((valueT) 65535 << 32))
|
713 |
|
|
>> (32 - 10)), 4);
|
714 |
|
|
break;
|
715 |
|
|
|
716 |
|
|
case BFD_RELOC_SH_IMM_HI16:
|
717 |
|
|
md_number_to_chars (buf,
|
718 |
|
|
insn
|
719 |
|
|
| ((valueT) (val & ((valueT) 65535 << 48))
|
720 |
|
|
>> (48 - 10)), 4);
|
721 |
|
|
break;
|
722 |
|
|
|
723 |
|
|
case BFD_RELOC_SH_IMMS16:
|
724 |
|
|
case BFD_RELOC_SH_IMMU16:
|
725 |
|
|
md_number_to_chars (buf, insn | ((val & 65535) << 10), 4);
|
726 |
|
|
break;
|
727 |
|
|
|
728 |
|
|
case BFD_RELOC_SH_IMMS10:
|
729 |
|
|
md_number_to_chars (buf, insn | ((val & 0x3ff) << 10), 4);
|
730 |
|
|
break;
|
731 |
|
|
|
732 |
|
|
case BFD_RELOC_SH_IMMS10BY2:
|
733 |
|
|
md_number_to_chars (buf,
|
734 |
|
|
insn | ((val & (0x3ff << 1)) << (10 - 1)), 4);
|
735 |
|
|
break;
|
736 |
|
|
|
737 |
|
|
case BFD_RELOC_SH_IMMS10BY4:
|
738 |
|
|
md_number_to_chars (buf,
|
739 |
|
|
insn | ((val & (0x3ff << 2)) << (10 - 2)), 4);
|
740 |
|
|
break;
|
741 |
|
|
|
742 |
|
|
case BFD_RELOC_SH_IMMS10BY8:
|
743 |
|
|
md_number_to_chars (buf,
|
744 |
|
|
insn | ((val & (0x3ff << 3)) << (10 - 3)), 4);
|
745 |
|
|
break;
|
746 |
|
|
|
747 |
|
|
case BFD_RELOC_SH_SHMEDIA_CODE:
|
748 |
|
|
/* We just ignore and remove this one for the moment. FIXME:
|
749 |
|
|
Use it when implementing relaxing. */
|
750 |
|
|
break;
|
751 |
|
|
|
752 |
|
|
case BFD_RELOC_64:
|
753 |
|
|
md_number_to_chars (buf, val, 8);
|
754 |
|
|
break;
|
755 |
|
|
|
756 |
|
|
case SHMEDIA_BFD_RELOC_PT:
|
757 |
|
|
/* Change a PT to PTB if the operand turned out to be SHcompact.
|
758 |
|
|
The basic opcode specified with PT is equivalent to PTA. */
|
759 |
|
|
if ((val & 1) == 0)
|
760 |
|
|
insn |= SHMEDIA_PTB_BIT;
|
761 |
|
|
/* Fall through. */
|
762 |
|
|
|
763 |
|
|
case BFD_RELOC_SH_PT_16:
|
764 |
|
|
if (! sh64_expand || sh_relax)
|
765 |
|
|
{
|
766 |
|
|
/* Check if the operand of a PTA or PTB was for the "wrong"
|
767 |
|
|
ISA. A PT had an incoming fixup of SHMEDIA_BFD_RELOC_PT,
|
768 |
|
|
which we have changed to the right type above. */
|
769 |
|
|
if (orig_fx_r_type != SHMEDIA_BFD_RELOC_PT)
|
770 |
|
|
{
|
771 |
|
|
if ((insn & SHMEDIA_PTB_BIT) != 0 && (val & 1) != 0)
|
772 |
|
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
773 |
|
|
_("PTB operand is a SHmedia symbol"));
|
774 |
|
|
else if ((insn & SHMEDIA_PTB_BIT) == 0 && (val & 1) == 0)
|
775 |
|
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
776 |
|
|
_("PTA operand is a SHcompact symbol"));
|
777 |
|
|
}
|
778 |
|
|
|
779 |
|
|
md_number_to_chars (buf,
|
780 |
|
|
insn | ((val & (0xffff << 2))
|
781 |
|
|
<< (10 - 2)),
|
782 |
|
|
4);
|
783 |
|
|
break;
|
784 |
|
|
}
|
785 |
|
|
/* Fall through. */
|
786 |
|
|
|
787 |
|
|
default:
|
788 |
|
|
/* This isn't a BAD_CASE, because presumably we can get here
|
789 |
|
|
from unexpected operands. Since we don't handle them, make
|
790 |
|
|
them syntax errors. */
|
791 |
|
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
792 |
|
|
_("invalid expression in operand"));
|
793 |
|
|
}
|
794 |
|
|
fixP->fx_done = 1;
|
795 |
|
|
}
|
796 |
|
|
}
|
797 |
|
|
|
798 |
|
|
/* Hook called from md_convert_frag in tc-sh.c. */
|
799 |
|
|
|
800 |
|
|
static void
|
801 |
|
|
shmedia_md_convert_frag (bfd *output_bfd ATTRIBUTE_UNUSED,
|
802 |
|
|
segT seg ATTRIBUTE_UNUSED, fragS *fragP,
|
803 |
|
|
bfd_boolean final)
|
804 |
|
|
{
|
805 |
|
|
/* Pointer to first byte in variable-sized part of the frag. */
|
806 |
|
|
char *var_partp;
|
807 |
|
|
|
808 |
|
|
/* Pointer to first opcode byte in frag. */
|
809 |
|
|
char *opcodep;
|
810 |
|
|
|
811 |
|
|
/* Pointer to frag of opcode. */
|
812 |
|
|
fragS *opc_fragP = fragP->tc_frag_data.opc_frag;
|
813 |
|
|
|
814 |
|
|
/* Size in bytes of variable-sized part of frag. */
|
815 |
|
|
int var_part_size = 0;
|
816 |
|
|
|
817 |
|
|
/* This is part of *fragP. It contains all information about addresses
|
818 |
|
|
and offsets to varying parts. */
|
819 |
|
|
symbolS *symbolP = fragP->fr_symbol;
|
820 |
|
|
|
821 |
|
|
bfd_boolean reloc_needed
|
822 |
|
|
= (! final
|
823 |
|
|
|| sh_relax
|
824 |
|
|
|| symbolP == NULL
|
825 |
|
|
|| ! S_IS_DEFINED (symbolP)
|
826 |
|
|
|| S_IS_EXTERNAL (symbolP)
|
827 |
|
|
|| S_IS_WEAK (symbolP)
|
828 |
|
|
|| (S_GET_SEGMENT (fragP->fr_symbol) != absolute_section
|
829 |
|
|
&& S_GET_SEGMENT (fragP->fr_symbol) != seg));
|
830 |
|
|
|
831 |
|
|
bfd_reloc_code_real_type reloctype = BFD_RELOC_NONE;
|
832 |
|
|
|
833 |
|
|
unsigned long var_part_offset;
|
834 |
|
|
|
835 |
|
|
/* Where, in file space, does addr point? */
|
836 |
|
|
bfd_vma target_address;
|
837 |
|
|
bfd_vma opcode_address;
|
838 |
|
|
|
839 |
|
|
/* What was the insn? */
|
840 |
|
|
unsigned long insn;
|
841 |
|
|
know (fragP->fr_type == rs_machine_dependent);
|
842 |
|
|
|
843 |
|
|
var_part_offset = fragP->fr_fix;
|
844 |
|
|
var_partp = fragP->fr_literal + var_part_offset;
|
845 |
|
|
opcodep = fragP->fr_opcode;
|
846 |
|
|
|
847 |
|
|
insn = target_big_endian ? bfd_getb32 (opcodep) : bfd_getl32 (opcodep);
|
848 |
|
|
|
849 |
|
|
target_address
|
850 |
|
|
= ((symbolP && final && ! sh_relax ? S_GET_VALUE (symbolP) : 0)
|
851 |
|
|
+ fragP->fr_offset);
|
852 |
|
|
|
853 |
|
|
/* The opcode that would be extended is the last four "fixed" bytes. */
|
854 |
|
|
opcode_address = fragP->fr_address + fragP->fr_fix - 4;
|
855 |
|
|
|
856 |
|
|
switch (fragP->fr_subtype)
|
857 |
|
|
{
|
858 |
|
|
case C (SH64PCREL16PT_64, SH64PCREL16):
|
859 |
|
|
case C (SH64PCREL16PT_32, SH64PCREL16):
|
860 |
|
|
/* We can get a PT to a relaxed SHcompact address if it is in the
|
861 |
|
|
same section; a mixed-ISA section. Change the opcode to PTB if
|
862 |
|
|
so. */
|
863 |
|
|
if ((target_address & 1) == 0)
|
864 |
|
|
insn |= SHMEDIA_PTB_BIT;
|
865 |
|
|
/* Fall through. */
|
866 |
|
|
|
867 |
|
|
case C (SH64PCREL16_32, SH64PCREL16):
|
868 |
|
|
case C (SH64PCREL16_64, SH64PCREL16):
|
869 |
|
|
/* Check that a PTA or PTB points to the right type of target. We
|
870 |
|
|
can get here for a SHcompact target if we are in a mixed-ISA
|
871 |
|
|
section. */
|
872 |
|
|
if (((target_address & 1) == 0) && ((insn & SHMEDIA_PTB_BIT) == 0))
|
873 |
|
|
as_bad_where (fragP->fr_file, fragP->fr_line,
|
874 |
|
|
_("PTA operand is a SHcompact symbol"));
|
875 |
|
|
if (((target_address & 1) != 0) && ((insn & SHMEDIA_PTB_BIT) != 0))
|
876 |
|
|
as_bad_where (fragP->fr_file, fragP->fr_line,
|
877 |
|
|
_("PTB operand is a SHmedia symbol"));
|
878 |
|
|
|
879 |
|
|
/* When relaxing, we do not output the address in the insn, but
|
880 |
|
|
instead a 1 into the low bit. This matches what the linker
|
881 |
|
|
expects to find for a BFD_RELOC_SH_PT_16 reloc, when it checks
|
882 |
|
|
correctness for PTA/PTB insn; used when the target address is
|
883 |
|
|
unknown (which is not the case here). */
|
884 |
|
|
md_number_to_chars (opcodep,
|
885 |
|
|
insn
|
886 |
|
|
| (((sh_relax
|
887 |
|
|
? 1 : ((target_address - opcode_address) / 4))
|
888 |
|
|
& ((1 << 16) - 1)) << 10),
|
889 |
|
|
4);
|
890 |
|
|
|
891 |
|
|
/* Note that we do not emit info that this was originally a PT since
|
892 |
|
|
we have resolved to which one of PTA or PTB it will be. */
|
893 |
|
|
if (sh_relax)
|
894 |
|
|
fix_new (opc_fragP, opcodep - opc_fragP->fr_literal, 4,
|
895 |
|
|
fragP->fr_symbol, fragP->fr_offset, 1, BFD_RELOC_SH_PT_16);
|
896 |
|
|
var_part_size = 0;
|
897 |
|
|
break;
|
898 |
|
|
|
899 |
|
|
case C (SH64PCREL16_32, SH64PCRELPLT):
|
900 |
|
|
case C (SH64PCREL16PT_32, SH64PCRELPLT):
|
901 |
|
|
reloctype = BFD_RELOC_32_PLT_PCREL;
|
902 |
|
|
reloc_needed = 1;
|
903 |
|
|
/* Fall through */
|
904 |
|
|
|
905 |
|
|
case C (SH64PCREL16_32, SH64PCREL32):
|
906 |
|
|
case C (SH64PCREL16_64, SH64PCREL32):
|
907 |
|
|
case C (SH64PCREL16PT_32, SH64PCREL32):
|
908 |
|
|
case C (SH64PCREL16PT_64, SH64PCREL32):
|
909 |
|
|
/* In the fixed bit, put in a MOVI. */
|
910 |
|
|
md_number_to_chars (opcodep,
|
911 |
|
|
SHMEDIA_MOVI_OPC
|
912 |
|
|
| (SHMEDIA_TEMP_REG << 4)
|
913 |
|
|
| ((((reloc_needed
|
914 |
|
|
? 0 : (target_address - (opcode_address + 8))
|
915 |
|
|
) >> 16) & 65535) << 10),
|
916 |
|
|
4);
|
917 |
|
|
|
918 |
|
|
/* Fill in a SHORI for the low part. */
|
919 |
|
|
md_number_to_chars (var_partp,
|
920 |
|
|
SHMEDIA_SHORI_OPC
|
921 |
|
|
| (SHMEDIA_TEMP_REG << 4)
|
922 |
|
|
| (((reloc_needed
|
923 |
|
|
? 0 : (target_address - (opcode_address + 8)))
|
924 |
|
|
& 65535) << 10),
|
925 |
|
|
4);
|
926 |
|
|
|
927 |
|
|
/* End with a "PTREL R25,TRd". */
|
928 |
|
|
md_number_to_chars (var_partp + 4,
|
929 |
|
|
SHMEDIA_PTREL_OPC | (insn & SHMEDIA_LIKELY_BIT)
|
930 |
|
|
| (SHMEDIA_TEMP_REG << 10)
|
931 |
|
|
| (insn & (7 << 4)),
|
932 |
|
|
4);
|
933 |
|
|
|
934 |
|
|
/* We need relocs only if the target symbol was undefined or if
|
935 |
|
|
we're relaxing. */
|
936 |
|
|
if (reloc_needed)
|
937 |
|
|
{
|
938 |
|
|
fix_new (opc_fragP, opcodep - opc_fragP->fr_literal, 4,
|
939 |
|
|
fragP->fr_symbol, fragP->fr_offset - 8, 1,
|
940 |
|
|
reloctype == BFD_RELOC_32_PLT_PCREL
|
941 |
|
|
? BFD_RELOC_SH_PLT_MEDLOW16
|
942 |
|
|
: BFD_RELOC_SH_IMM_MEDLOW16_PCREL);
|
943 |
|
|
fix_new (fragP, var_partp - fragP->fr_literal, 4, fragP->fr_symbol,
|
944 |
|
|
fragP->fr_offset - 4, 1,
|
945 |
|
|
reloctype == BFD_RELOC_32_PLT_PCREL
|
946 |
|
|
? BFD_RELOC_SH_PLT_LOW16
|
947 |
|
|
: BFD_RELOC_SH_IMM_LOW16_PCREL);
|
948 |
|
|
}
|
949 |
|
|
|
950 |
|
|
var_part_size = 8;
|
951 |
|
|
break;
|
952 |
|
|
|
953 |
|
|
case C (SH64PCREL16_64, SH64PCREL48):
|
954 |
|
|
case C (SH64PCREL16PT_64, SH64PCREL48):
|
955 |
|
|
/* In the fixed bit, put in a MOVI. */
|
956 |
|
|
md_number_to_chars (opcodep,
|
957 |
|
|
SHMEDIA_MOVI_OPC
|
958 |
|
|
| (SHMEDIA_TEMP_REG << 4)
|
959 |
|
|
| ((((reloc_needed
|
960 |
|
|
? 0 : (target_address - (opcode_address + 12))
|
961 |
|
|
) >> 32) & 65535) << 10),
|
962 |
|
|
4);
|
963 |
|
|
|
964 |
|
|
/* The first SHORI, for the medium part. */
|
965 |
|
|
md_number_to_chars (var_partp,
|
966 |
|
|
SHMEDIA_SHORI_OPC
|
967 |
|
|
| (SHMEDIA_TEMP_REG << 4)
|
968 |
|
|
| ((((reloc_needed
|
969 |
|
|
? 0 : (target_address - (opcode_address + 12))
|
970 |
|
|
) >> 16) & 65535) << 10),
|
971 |
|
|
4);
|
972 |
|
|
|
973 |
|
|
/* Fill in a SHORI for the low part. */
|
974 |
|
|
md_number_to_chars (var_partp + 4,
|
975 |
|
|
SHMEDIA_SHORI_OPC
|
976 |
|
|
| (SHMEDIA_TEMP_REG << 4)
|
977 |
|
|
| (((reloc_needed
|
978 |
|
|
? 0 : (target_address - (opcode_address + 12)))
|
979 |
|
|
& 65535) << 10),
|
980 |
|
|
4);
|
981 |
|
|
|
982 |
|
|
/* End with a "PTREL R25,TRd". */
|
983 |
|
|
md_number_to_chars (var_partp + 8,
|
984 |
|
|
SHMEDIA_PTREL_OPC | (insn & SHMEDIA_LIKELY_BIT)
|
985 |
|
|
| (SHMEDIA_TEMP_REG << 10)
|
986 |
|
|
| (insn & (7 << 4)),
|
987 |
|
|
4);
|
988 |
|
|
|
989 |
|
|
/* We need relocs only if the target symbol was undefined or if
|
990 |
|
|
we're relaxing. */
|
991 |
|
|
if (reloc_needed)
|
992 |
|
|
{
|
993 |
|
|
fix_new (opc_fragP, opcodep - opc_fragP->fr_literal, 4,
|
994 |
|
|
fragP->fr_symbol, fragP->fr_offset - 12, 1,
|
995 |
|
|
reloctype == BFD_RELOC_32_PLT_PCREL
|
996 |
|
|
? BFD_RELOC_SH_PLT_MEDHI16
|
997 |
|
|
: BFD_RELOC_SH_IMM_MEDHI16_PCREL);
|
998 |
|
|
fix_new (fragP, var_partp - fragP->fr_literal, 4, fragP->fr_symbol,
|
999 |
|
|
fragP->fr_offset - 8, 1,
|
1000 |
|
|
reloctype == BFD_RELOC_32_PLT_PCREL
|
1001 |
|
|
? BFD_RELOC_SH_PLT_MEDLOW16
|
1002 |
|
|
: BFD_RELOC_SH_IMM_MEDLOW16_PCREL);
|
1003 |
|
|
fix_new (fragP, var_partp - fragP->fr_literal + 4, 4, fragP->fr_symbol,
|
1004 |
|
|
fragP->fr_offset - 4, 1,
|
1005 |
|
|
reloctype == BFD_RELOC_32_PLT_PCREL
|
1006 |
|
|
? BFD_RELOC_SH_PLT_LOW16
|
1007 |
|
|
: BFD_RELOC_SH_IMM_LOW16_PCREL);
|
1008 |
|
|
}
|
1009 |
|
|
|
1010 |
|
|
var_part_size = 12;
|
1011 |
|
|
break;
|
1012 |
|
|
|
1013 |
|
|
case C (SH64PCREL16_64, SH64PCRELPLT):
|
1014 |
|
|
case C (SH64PCREL16PT_64, SH64PCRELPLT):
|
1015 |
|
|
reloctype = BFD_RELOC_32_PLT_PCREL;
|
1016 |
|
|
reloc_needed = 1;
|
1017 |
|
|
/* Fall through */
|
1018 |
|
|
|
1019 |
|
|
case C (SH64PCREL16_64, SH64PCREL64):
|
1020 |
|
|
case C (SH64PCREL16PT_64, SH64PCREL64):
|
1021 |
|
|
/* In the fixed bit, put in a MOVI. */
|
1022 |
|
|
md_number_to_chars (opcodep,
|
1023 |
|
|
SHMEDIA_MOVI_OPC
|
1024 |
|
|
| (SHMEDIA_TEMP_REG << 4)
|
1025 |
|
|
| ((((reloc_needed
|
1026 |
|
|
? 0 : (target_address - (opcode_address + 16))
|
1027 |
|
|
) >> 48) & 65535) << 10),
|
1028 |
|
|
4);
|
1029 |
|
|
|
1030 |
|
|
/* The first SHORI, for the medium-high part. */
|
1031 |
|
|
md_number_to_chars (var_partp,
|
1032 |
|
|
SHMEDIA_SHORI_OPC
|
1033 |
|
|
| (SHMEDIA_TEMP_REG << 4)
|
1034 |
|
|
| ((((reloc_needed
|
1035 |
|
|
? 0 : (target_address - (opcode_address + 16))
|
1036 |
|
|
) >> 32) & 65535) << 10),
|
1037 |
|
|
4);
|
1038 |
|
|
|
1039 |
|
|
/* A SHORI, for the medium-low part. */
|
1040 |
|
|
md_number_to_chars (var_partp + 4,
|
1041 |
|
|
SHMEDIA_SHORI_OPC
|
1042 |
|
|
| (SHMEDIA_TEMP_REG << 4)
|
1043 |
|
|
| ((((reloc_needed
|
1044 |
|
|
? 0 : (target_address - (opcode_address + 16))
|
1045 |
|
|
) >> 16) & 65535) << 10),
|
1046 |
|
|
4);
|
1047 |
|
|
|
1048 |
|
|
/* Fill in a SHORI for the low part. */
|
1049 |
|
|
md_number_to_chars (var_partp + 8,
|
1050 |
|
|
SHMEDIA_SHORI_OPC
|
1051 |
|
|
| (SHMEDIA_TEMP_REG << 4)
|
1052 |
|
|
| (((reloc_needed
|
1053 |
|
|
? 0 : (target_address - (opcode_address + 16)))
|
1054 |
|
|
& 65535) << 10),
|
1055 |
|
|
4);
|
1056 |
|
|
|
1057 |
|
|
/* End with a "PTREL R25,TRd". */
|
1058 |
|
|
md_number_to_chars (var_partp + 12,
|
1059 |
|
|
SHMEDIA_PTREL_OPC | (insn & SHMEDIA_LIKELY_BIT)
|
1060 |
|
|
| (SHMEDIA_TEMP_REG << 10)
|
1061 |
|
|
| (insn & (7 << 4)),
|
1062 |
|
|
4);
|
1063 |
|
|
|
1064 |
|
|
/* We need relocs only if the target symbol was undefined or if
|
1065 |
|
|
we're relaxing. */
|
1066 |
|
|
if (reloc_needed)
|
1067 |
|
|
{
|
1068 |
|
|
fix_new (opc_fragP, opcodep - opc_fragP->fr_literal, 4,
|
1069 |
|
|
fragP->fr_symbol, fragP->fr_offset - 16, 1,
|
1070 |
|
|
reloctype == BFD_RELOC_32_PLT_PCREL
|
1071 |
|
|
? BFD_RELOC_SH_PLT_HI16
|
1072 |
|
|
: BFD_RELOC_SH_IMM_HI16_PCREL);
|
1073 |
|
|
fix_new (fragP, var_partp - fragP->fr_literal, 4, fragP->fr_symbol,
|
1074 |
|
|
fragP->fr_offset - 12, 1,
|
1075 |
|
|
reloctype == BFD_RELOC_32_PLT_PCREL
|
1076 |
|
|
? BFD_RELOC_SH_PLT_MEDHI16
|
1077 |
|
|
: BFD_RELOC_SH_IMM_MEDHI16_PCREL);
|
1078 |
|
|
fix_new (fragP, var_partp - fragP->fr_literal + 4, 4, fragP->fr_symbol,
|
1079 |
|
|
fragP->fr_offset - 8, 1,
|
1080 |
|
|
reloctype == BFD_RELOC_32_PLT_PCREL
|
1081 |
|
|
? BFD_RELOC_SH_PLT_MEDLOW16
|
1082 |
|
|
: BFD_RELOC_SH_IMM_MEDLOW16_PCREL);
|
1083 |
|
|
fix_new (fragP, var_partp - fragP->fr_literal + 8, 4, fragP->fr_symbol,
|
1084 |
|
|
fragP->fr_offset - 4, 1,
|
1085 |
|
|
reloctype == BFD_RELOC_32_PLT_PCREL
|
1086 |
|
|
? BFD_RELOC_SH_PLT_LOW16
|
1087 |
|
|
: BFD_RELOC_SH_IMM_LOW16_PCREL);
|
1088 |
|
|
}
|
1089 |
|
|
|
1090 |
|
|
var_part_size = 16;
|
1091 |
|
|
break;
|
1092 |
|
|
|
1093 |
|
|
case C (MOVI_IMM_64, MOVI_GOTOFF):
|
1094 |
|
|
reloctype = BFD_RELOC_32_GOTOFF;
|
1095 |
|
|
reloc_needed = 1;
|
1096 |
|
|
/* Fall through. */
|
1097 |
|
|
|
1098 |
|
|
case C (MOVI_IMM_64, UNDEF_MOVI):
|
1099 |
|
|
case C (MOVI_IMM_64, MOVI_64):
|
1100 |
|
|
{
|
1101 |
|
|
/* We only get here for undefined symbols, so we can simplify
|
1102 |
|
|
handling compared to those above; we have 0 in the parts that
|
1103 |
|
|
will be filled with the symbol parts. */
|
1104 |
|
|
|
1105 |
|
|
int reg = (insn >> 4) & 0x3f;
|
1106 |
|
|
|
1107 |
|
|
/* In the fixed bit, put in a MOVI. */
|
1108 |
|
|
md_number_to_chars (opcodep, SHMEDIA_MOVI_OPC | (reg << 4), 4);
|
1109 |
|
|
fix_new (opc_fragP, opcodep - opc_fragP->fr_literal, 4,
|
1110 |
|
|
fragP->fr_symbol, fragP->fr_offset, 0,
|
1111 |
|
|
reloctype == BFD_RELOC_NONE
|
1112 |
|
|
? BFD_RELOC_SH_IMM_HI16
|
1113 |
|
|
: reloctype == BFD_RELOC_32_GOTOFF
|
1114 |
|
|
? BFD_RELOC_SH_GOTOFF_HI16
|
1115 |
|
|
: (abort (), BFD_RELOC_SH_IMM_HI16));
|
1116 |
|
|
|
1117 |
|
|
/* The first SHORI, for the medium-high part. */
|
1118 |
|
|
md_number_to_chars (var_partp, SHMEDIA_SHORI_OPC | (reg << 4), 4);
|
1119 |
|
|
fix_new (fragP, var_partp - fragP->fr_literal, 4, fragP->fr_symbol,
|
1120 |
|
|
fragP->fr_offset, 0,
|
1121 |
|
|
reloctype == BFD_RELOC_NONE
|
1122 |
|
|
? BFD_RELOC_SH_IMM_MEDHI16
|
1123 |
|
|
: reloctype == BFD_RELOC_32_GOTOFF
|
1124 |
|
|
? BFD_RELOC_SH_GOTOFF_MEDHI16
|
1125 |
|
|
: (abort (), BFD_RELOC_SH_IMM_MEDHI16));
|
1126 |
|
|
|
1127 |
|
|
/* A SHORI, for the medium-low part. */
|
1128 |
|
|
md_number_to_chars (var_partp + 4,
|
1129 |
|
|
SHMEDIA_SHORI_OPC | (reg << 4), 4);
|
1130 |
|
|
fix_new (fragP, var_partp - fragP->fr_literal + 4, 4, fragP->fr_symbol,
|
1131 |
|
|
fragP->fr_offset, 0,
|
1132 |
|
|
reloctype == BFD_RELOC_NONE
|
1133 |
|
|
? BFD_RELOC_SH_IMM_MEDLOW16
|
1134 |
|
|
: reloctype == BFD_RELOC_32_GOTOFF
|
1135 |
|
|
? BFD_RELOC_SH_GOTOFF_MEDLOW16
|
1136 |
|
|
: (abort (), BFD_RELOC_SH_IMM_MEDLOW16));
|
1137 |
|
|
|
1138 |
|
|
/* Fill in a SHORI for the low part. */
|
1139 |
|
|
md_number_to_chars (var_partp + 8,
|
1140 |
|
|
SHMEDIA_SHORI_OPC | (reg << 4), 4);
|
1141 |
|
|
fix_new (fragP, var_partp - fragP->fr_literal + 8, 4, fragP->fr_symbol,
|
1142 |
|
|
fragP->fr_offset, 0,
|
1143 |
|
|
reloctype == BFD_RELOC_NONE
|
1144 |
|
|
? BFD_RELOC_SH_IMM_LOW16
|
1145 |
|
|
: reloctype == BFD_RELOC_32_GOTOFF
|
1146 |
|
|
? BFD_RELOC_SH_GOTOFF_LOW16
|
1147 |
|
|
: (abort (), BFD_RELOC_SH_IMM_LOW16));
|
1148 |
|
|
|
1149 |
|
|
var_part_size = 12;
|
1150 |
|
|
break;
|
1151 |
|
|
}
|
1152 |
|
|
|
1153 |
|
|
case C (MOVI_IMM_32, MOVI_GOTOFF):
|
1154 |
|
|
reloctype = BFD_RELOC_32_GOTOFF;
|
1155 |
|
|
reloc_needed = 1;
|
1156 |
|
|
/* Fall through. */
|
1157 |
|
|
|
1158 |
|
|
case C (MOVI_IMM_32, UNDEF_MOVI):
|
1159 |
|
|
case C (MOVI_IMM_32, MOVI_32):
|
1160 |
|
|
{
|
1161 |
|
|
/* Note that we only get here for undefined symbols. */
|
1162 |
|
|
|
1163 |
|
|
int reg = (insn >> 4) & 0x3f;
|
1164 |
|
|
|
1165 |
|
|
/* A MOVI, for the high part. */
|
1166 |
|
|
md_number_to_chars (opcodep, SHMEDIA_MOVI_OPC | (reg << 4), 4);
|
1167 |
|
|
fix_new (opc_fragP, opcodep - opc_fragP->fr_literal, 4,
|
1168 |
|
|
fragP->fr_symbol, fragP->fr_offset, 0,
|
1169 |
|
|
reloctype == BFD_RELOC_NONE
|
1170 |
|
|
? BFD_RELOC_SH_IMM_MEDLOW16
|
1171 |
|
|
: reloctype == BFD_RELOC_32_GOTOFF
|
1172 |
|
|
? BFD_RELOC_SH_GOTOFF_MEDLOW16
|
1173 |
|
|
: reloctype == BFD_RELOC_SH_GOTPC
|
1174 |
|
|
? BFD_RELOC_SH_GOTPC_MEDLOW16
|
1175 |
|
|
: reloctype == BFD_RELOC_32_PLT_PCREL
|
1176 |
|
|
? BFD_RELOC_SH_PLT_MEDLOW16
|
1177 |
|
|
: (abort (), BFD_RELOC_SH_IMM_MEDLOW16));
|
1178 |
|
|
|
1179 |
|
|
/* Fill in a SHORI for the low part. */
|
1180 |
|
|
md_number_to_chars (var_partp,
|
1181 |
|
|
SHMEDIA_SHORI_OPC | (reg << 4), 4);
|
1182 |
|
|
fix_new (fragP, var_partp - fragP->fr_literal, 4, fragP->fr_symbol,
|
1183 |
|
|
fragP->fr_offset, 0,
|
1184 |
|
|
reloctype == BFD_RELOC_NONE
|
1185 |
|
|
? BFD_RELOC_SH_IMM_LOW16
|
1186 |
|
|
: reloctype == BFD_RELOC_32_GOTOFF
|
1187 |
|
|
? BFD_RELOC_SH_GOTOFF_LOW16
|
1188 |
|
|
: reloctype == BFD_RELOC_SH_GOTPC
|
1189 |
|
|
? BFD_RELOC_SH_GOTPC_LOW16
|
1190 |
|
|
: reloctype == BFD_RELOC_32_PLT_PCREL
|
1191 |
|
|
? BFD_RELOC_SH_PLT_LOW16
|
1192 |
|
|
: (abort (), BFD_RELOC_SH_IMM_LOW16));
|
1193 |
|
|
|
1194 |
|
|
var_part_size = 4;
|
1195 |
|
|
break;
|
1196 |
|
|
}
|
1197 |
|
|
|
1198 |
|
|
case C (MOVI_IMM_32_PCREL, MOVI_16):
|
1199 |
|
|
case C (MOVI_IMM_64_PCREL, MOVI_16):
|
1200 |
|
|
md_number_to_chars (opcodep,
|
1201 |
|
|
insn
|
1202 |
|
|
| (((reloc_needed
|
1203 |
|
|
? 0 : (target_address - opcode_address))
|
1204 |
|
|
& 65535) << 10),
|
1205 |
|
|
4);
|
1206 |
|
|
if (reloc_needed)
|
1207 |
|
|
fix_new (opc_fragP, opcodep - opc_fragP->fr_literal, 4,
|
1208 |
|
|
fragP->fr_symbol, fragP->fr_offset, 1,
|
1209 |
|
|
BFD_RELOC_SH_IMM_LOW16_PCREL);
|
1210 |
|
|
var_part_size = 0;
|
1211 |
|
|
break;
|
1212 |
|
|
|
1213 |
|
|
case C (MOVI_IMM_32, MOVI_16):
|
1214 |
|
|
case C (MOVI_IMM_64, MOVI_16):
|
1215 |
|
|
md_number_to_chars (opcodep,
|
1216 |
|
|
insn
|
1217 |
|
|
| (((reloc_needed ? 0 : target_address)
|
1218 |
|
|
& 65535) << 10),
|
1219 |
|
|
4);
|
1220 |
|
|
if (reloc_needed)
|
1221 |
|
|
abort ();
|
1222 |
|
|
var_part_size = 0;
|
1223 |
|
|
break;
|
1224 |
|
|
|
1225 |
|
|
case C (MOVI_IMM_32_PCREL, MOVI_PLT):
|
1226 |
|
|
reloctype = BFD_RELOC_32_PLT_PCREL;
|
1227 |
|
|
goto movi_imm_32_pcrel_reloc_needed;
|
1228 |
|
|
|
1229 |
|
|
case C (MOVI_IMM_32_PCREL, MOVI_GOTPC):
|
1230 |
|
|
reloctype = BFD_RELOC_SH_GOTPC;
|
1231 |
|
|
/* Fall through. */
|
1232 |
|
|
|
1233 |
|
|
movi_imm_32_pcrel_reloc_needed:
|
1234 |
|
|
reloc_needed = 1;
|
1235 |
|
|
/* Fall through. */
|
1236 |
|
|
|
1237 |
|
|
case C (MOVI_IMM_32_PCREL, MOVI_32):
|
1238 |
|
|
case C (MOVI_IMM_64_PCREL, MOVI_32):
|
1239 |
|
|
{
|
1240 |
|
|
int reg = (insn >> 4) & 0x3f;
|
1241 |
|
|
|
1242 |
|
|
md_number_to_chars (opcodep,
|
1243 |
|
|
insn
|
1244 |
|
|
| (((((reloc_needed
|
1245 |
|
|
? 0 : (target_address - opcode_address)))
|
1246 |
|
|
>> 16) & 65535) << 10), 4);
|
1247 |
|
|
|
1248 |
|
|
/* A SHORI, for the low part. */
|
1249 |
|
|
md_number_to_chars (var_partp,
|
1250 |
|
|
SHMEDIA_SHORI_OPC
|
1251 |
|
|
| (reg << 4)
|
1252 |
|
|
| (((reloc_needed
|
1253 |
|
|
? 0 : (target_address - opcode_address))
|
1254 |
|
|
& 65535) << 10), 4);
|
1255 |
|
|
if (reloc_needed)
|
1256 |
|
|
{
|
1257 |
|
|
fix_new (opc_fragP, opcodep - opc_fragP->fr_literal, 4,
|
1258 |
|
|
fragP->fr_symbol, fragP->fr_offset, 1,
|
1259 |
|
|
reloctype == BFD_RELOC_NONE
|
1260 |
|
|
? BFD_RELOC_SH_IMM_MEDLOW16_PCREL
|
1261 |
|
|
: reloctype == BFD_RELOC_SH_GOTPC
|
1262 |
|
|
? BFD_RELOC_SH_GOTPC_MEDLOW16
|
1263 |
|
|
: reloctype == BFD_RELOC_32_PLT_PCREL
|
1264 |
|
|
? BFD_RELOC_SH_PLT_MEDLOW16
|
1265 |
|
|
: (abort (), BFD_RELOC_SH_IMM_MEDLOW16_PCREL));
|
1266 |
|
|
fix_new (fragP, var_partp - fragP->fr_literal, 4, fragP->fr_symbol,
|
1267 |
|
|
fragP->fr_offset + 4, 1,
|
1268 |
|
|
reloctype == BFD_RELOC_NONE
|
1269 |
|
|
? BFD_RELOC_SH_IMM_LOW16_PCREL
|
1270 |
|
|
: reloctype == BFD_RELOC_SH_GOTPC
|
1271 |
|
|
? BFD_RELOC_SH_GOTPC_LOW16
|
1272 |
|
|
: reloctype == BFD_RELOC_32_PLT_PCREL
|
1273 |
|
|
? BFD_RELOC_SH_PLT_LOW16
|
1274 |
|
|
: (abort (), BFD_RELOC_SH_IMM_LOW16_PCREL));
|
1275 |
|
|
}
|
1276 |
|
|
var_part_size = 4;
|
1277 |
|
|
}
|
1278 |
|
|
break;
|
1279 |
|
|
|
1280 |
|
|
case C (MOVI_IMM_32_PCREL, MOVI_48):
|
1281 |
|
|
case C (MOVI_IMM_64_PCREL, MOVI_48):
|
1282 |
|
|
{
|
1283 |
|
|
int reg = (insn >> 4) & 0x3f;
|
1284 |
|
|
|
1285 |
|
|
md_number_to_chars (opcodep,
|
1286 |
|
|
insn
|
1287 |
|
|
| (((((reloc_needed
|
1288 |
|
|
? 0 : (target_address - opcode_address)))
|
1289 |
|
|
>> 32) & 65535) << 10), 4);
|
1290 |
|
|
|
1291 |
|
|
/* A SHORI, for the medium part. */
|
1292 |
|
|
md_number_to_chars (var_partp,
|
1293 |
|
|
SHMEDIA_SHORI_OPC
|
1294 |
|
|
| (reg << 4)
|
1295 |
|
|
| ((((reloc_needed
|
1296 |
|
|
? 0 : (target_address - opcode_address))
|
1297 |
|
|
>> 16) & 65535) << 10), 4);
|
1298 |
|
|
|
1299 |
|
|
/* A SHORI, for the low part. */
|
1300 |
|
|
md_number_to_chars (var_partp + 4,
|
1301 |
|
|
SHMEDIA_SHORI_OPC
|
1302 |
|
|
| (reg << 4)
|
1303 |
|
|
| (((reloc_needed
|
1304 |
|
|
? 0 : (target_address - opcode_address))
|
1305 |
|
|
& 65535) << 10), 4);
|
1306 |
|
|
if (reloc_needed)
|
1307 |
|
|
{
|
1308 |
|
|
fix_new (opc_fragP, opcodep - opc_fragP->fr_literal, 4,
|
1309 |
|
|
fragP->fr_symbol, fragP->fr_offset, 1,
|
1310 |
|
|
BFD_RELOC_SH_IMM_MEDHI16_PCREL);
|
1311 |
|
|
fix_new (fragP, var_partp - fragP->fr_literal, 4, fragP->fr_symbol,
|
1312 |
|
|
fragP->fr_offset + 4, 1, BFD_RELOC_SH_IMM_MEDLOW16_PCREL);
|
1313 |
|
|
fix_new (fragP, var_partp - fragP->fr_literal + 4, 4, fragP->fr_symbol,
|
1314 |
|
|
fragP->fr_offset + 8, 1, BFD_RELOC_SH_IMM_LOW16_PCREL);
|
1315 |
|
|
}
|
1316 |
|
|
var_part_size = 8;
|
1317 |
|
|
}
|
1318 |
|
|
break;
|
1319 |
|
|
|
1320 |
|
|
case C (MOVI_IMM_64_PCREL, MOVI_PLT):
|
1321 |
|
|
reloctype = BFD_RELOC_32_PLT_PCREL;
|
1322 |
|
|
goto movi_imm_64_pcrel_reloc_needed;
|
1323 |
|
|
|
1324 |
|
|
case C (MOVI_IMM_64_PCREL, MOVI_GOTPC):
|
1325 |
|
|
reloctype = BFD_RELOC_SH_GOTPC;
|
1326 |
|
|
/* Fall through. */
|
1327 |
|
|
|
1328 |
|
|
movi_imm_64_pcrel_reloc_needed:
|
1329 |
|
|
reloc_needed = 1;
|
1330 |
|
|
/* Fall through. */
|
1331 |
|
|
|
1332 |
|
|
case C (MOVI_IMM_32_PCREL, MOVI_64):
|
1333 |
|
|
case C (MOVI_IMM_64_PCREL, MOVI_64):
|
1334 |
|
|
{
|
1335 |
|
|
int reg = (insn >> 4) & 0x3f;
|
1336 |
|
|
|
1337 |
|
|
md_number_to_chars (opcodep,
|
1338 |
|
|
insn
|
1339 |
|
|
| (((((reloc_needed
|
1340 |
|
|
? 0 : (target_address - opcode_address)))
|
1341 |
|
|
>> 48) & 65535) << 10), 4);
|
1342 |
|
|
|
1343 |
|
|
/* A SHORI, for the medium-high part. */
|
1344 |
|
|
md_number_to_chars (var_partp,
|
1345 |
|
|
SHMEDIA_SHORI_OPC
|
1346 |
|
|
| (reg << 4)
|
1347 |
|
|
| ((((reloc_needed
|
1348 |
|
|
? 0 : (target_address - opcode_address))
|
1349 |
|
|
>> 32) & 65535) << 10), 4);
|
1350 |
|
|
|
1351 |
|
|
/* A SHORI, for the medium-low part. */
|
1352 |
|
|
md_number_to_chars (var_partp + 4,
|
1353 |
|
|
SHMEDIA_SHORI_OPC
|
1354 |
|
|
| (reg << 4)
|
1355 |
|
|
| ((((reloc_needed
|
1356 |
|
|
? 0 : (target_address - opcode_address))
|
1357 |
|
|
>> 16) & 65535) << 10), 4);
|
1358 |
|
|
|
1359 |
|
|
/* A SHORI, for the low part. */
|
1360 |
|
|
md_number_to_chars (var_partp + 8,
|
1361 |
|
|
SHMEDIA_SHORI_OPC
|
1362 |
|
|
| (reg << 4)
|
1363 |
|
|
| (((reloc_needed
|
1364 |
|
|
? 0 : (target_address - opcode_address))
|
1365 |
|
|
& 65535) << 10), 4);
|
1366 |
|
|
if (reloc_needed)
|
1367 |
|
|
{
|
1368 |
|
|
fix_new (opc_fragP, opcodep - opc_fragP->fr_literal, 4,
|
1369 |
|
|
fragP->fr_symbol, fragP->fr_offset, 1,
|
1370 |
|
|
reloctype == BFD_RELOC_NONE
|
1371 |
|
|
? BFD_RELOC_SH_IMM_HI16_PCREL
|
1372 |
|
|
: reloctype == BFD_RELOC_SH_GOTPC
|
1373 |
|
|
? BFD_RELOC_SH_GOTPC_HI16
|
1374 |
|
|
: reloctype == BFD_RELOC_32_PLT_PCREL
|
1375 |
|
|
? BFD_RELOC_SH_PLT_HI16
|
1376 |
|
|
: (abort (), BFD_RELOC_SH_IMM_HI16_PCREL));
|
1377 |
|
|
fix_new (fragP, var_partp - fragP->fr_literal, 4, fragP->fr_symbol,
|
1378 |
|
|
fragP->fr_offset + 4, 1,
|
1379 |
|
|
reloctype == BFD_RELOC_NONE
|
1380 |
|
|
? BFD_RELOC_SH_IMM_MEDHI16_PCREL
|
1381 |
|
|
: reloctype == BFD_RELOC_SH_GOTPC
|
1382 |
|
|
? BFD_RELOC_SH_GOTPC_MEDHI16
|
1383 |
|
|
: reloctype == BFD_RELOC_32_PLT_PCREL
|
1384 |
|
|
? BFD_RELOC_SH_PLT_MEDHI16
|
1385 |
|
|
: (abort (), BFD_RELOC_SH_IMM_MEDHI16_PCREL));
|
1386 |
|
|
fix_new (fragP, var_partp - fragP->fr_literal + 4, 4,
|
1387 |
|
|
fragP->fr_symbol,
|
1388 |
|
|
fragP->fr_offset + 8, 1,
|
1389 |
|
|
reloctype == BFD_RELOC_NONE
|
1390 |
|
|
? BFD_RELOC_SH_IMM_MEDLOW16_PCREL
|
1391 |
|
|
: reloctype == BFD_RELOC_SH_GOTPC
|
1392 |
|
|
? BFD_RELOC_SH_GOTPC_MEDLOW16
|
1393 |
|
|
: reloctype == BFD_RELOC_32_PLT_PCREL
|
1394 |
|
|
? BFD_RELOC_SH_PLT_MEDLOW16
|
1395 |
|
|
: (abort (), BFD_RELOC_SH_IMM_MEDLOW16_PCREL));
|
1396 |
|
|
fix_new (fragP, var_partp - fragP->fr_literal + 8, 4,
|
1397 |
|
|
fragP->fr_symbol,
|
1398 |
|
|
fragP->fr_offset + 12, 1,
|
1399 |
|
|
reloctype == BFD_RELOC_NONE
|
1400 |
|
|
? BFD_RELOC_SH_IMM_LOW16_PCREL
|
1401 |
|
|
: reloctype == BFD_RELOC_SH_GOTPC
|
1402 |
|
|
? BFD_RELOC_SH_GOTPC_LOW16
|
1403 |
|
|
: reloctype == BFD_RELOC_32_PLT_PCREL
|
1404 |
|
|
? BFD_RELOC_SH_PLT_LOW16
|
1405 |
|
|
: (abort (), BFD_RELOC_SH_IMM_LOW16_PCREL));
|
1406 |
|
|
}
|
1407 |
|
|
var_part_size = 12;
|
1408 |
|
|
}
|
1409 |
|
|
break;
|
1410 |
|
|
|
1411 |
|
|
default:
|
1412 |
|
|
BAD_CASE (fragP->fr_subtype);
|
1413 |
|
|
}
|
1414 |
|
|
|
1415 |
|
|
fragP->fr_fix += var_part_size;
|
1416 |
|
|
fragP->fr_var = 0;
|
1417 |
|
|
}
|
1418 |
|
|
|
1419 |
|
|
/* Mask NUMBER (originating from a signed number) corresponding to the HOW
|
1420 |
|
|
reloc. */
|
1421 |
|
|
|
1422 |
|
|
static unsigned long
|
1423 |
|
|
shmedia_mask_number (unsigned long number, bfd_reloc_code_real_type how)
|
1424 |
|
|
{
|
1425 |
|
|
switch (how)
|
1426 |
|
|
{
|
1427 |
|
|
case BFD_RELOC_SH_IMMU5:
|
1428 |
|
|
number &= (1 << 5) - 1;
|
1429 |
|
|
break;
|
1430 |
|
|
|
1431 |
|
|
case BFD_RELOC_SH_IMMS6:
|
1432 |
|
|
case BFD_RELOC_SH_IMMU6:
|
1433 |
|
|
number &= (1 << 6) - 1;
|
1434 |
|
|
break;
|
1435 |
|
|
|
1436 |
|
|
case BFD_RELOC_SH_IMMS6BY32:
|
1437 |
|
|
number = (number & ((1 << (6 + 5)) - 1)) >> 5;
|
1438 |
|
|
break;
|
1439 |
|
|
|
1440 |
|
|
case BFD_RELOC_SH_IMMS10:
|
1441 |
|
|
number &= (1 << 10) - 1;
|
1442 |
|
|
break;
|
1443 |
|
|
|
1444 |
|
|
case BFD_RELOC_SH_IMMS10BY2:
|
1445 |
|
|
number = (number & ((1 << (10 + 1)) - 1)) >> 1;
|
1446 |
|
|
break;
|
1447 |
|
|
|
1448 |
|
|
case BFD_RELOC_SH_IMMS10BY4:
|
1449 |
|
|
number = (number & ((1 << (10 + 2)) - 1)) >> 2;
|
1450 |
|
|
break;
|
1451 |
|
|
|
1452 |
|
|
case BFD_RELOC_SH_IMMS10BY8:
|
1453 |
|
|
number = (number & ((1 << (10 + 3)) - 1)) >> 3;
|
1454 |
|
|
break;
|
1455 |
|
|
|
1456 |
|
|
case BFD_RELOC_SH_IMMS16:
|
1457 |
|
|
case BFD_RELOC_SH_IMMU16:
|
1458 |
|
|
number &= (1 << 16) - 1;
|
1459 |
|
|
break;
|
1460 |
|
|
|
1461 |
|
|
default:
|
1462 |
|
|
BAD_CASE (how);
|
1463 |
|
|
}
|
1464 |
|
|
|
1465 |
|
|
return number;
|
1466 |
|
|
}
|
1467 |
|
|
|
1468 |
|
|
/* Emit errors for values out-of-range, using as_bad_where if FRAGP is
|
1469 |
|
|
non-NULL, as_bad otherwise. */
|
1470 |
|
|
|
1471 |
|
|
static void
|
1472 |
|
|
shmedia_check_limits (offsetT *valp, bfd_reloc_code_real_type reloc,
|
1473 |
|
|
fixS *fixp)
|
1474 |
|
|
{
|
1475 |
|
|
offsetT val = *valp;
|
1476 |
|
|
|
1477 |
|
|
char *msg = NULL;
|
1478 |
|
|
|
1479 |
|
|
switch (reloc)
|
1480 |
|
|
{
|
1481 |
|
|
case BFD_RELOC_SH_IMMU5:
|
1482 |
|
|
if (val < 0 || val > (1 << 5) - 1)
|
1483 |
|
|
msg = _("invalid operand, not a 5-bit unsigned value: %d");
|
1484 |
|
|
break;
|
1485 |
|
|
|
1486 |
|
|
case BFD_RELOC_SH_IMMS6:
|
1487 |
|
|
if (val < -(1 << 5) || val > (1 << 5) - 1)
|
1488 |
|
|
msg = _("invalid operand, not a 6-bit signed value: %d");
|
1489 |
|
|
break;
|
1490 |
|
|
|
1491 |
|
|
case BFD_RELOC_SH_IMMU6:
|
1492 |
|
|
if (val < 0 || val > (1 << 6) - 1)
|
1493 |
|
|
msg = _("invalid operand, not a 6-bit unsigned value: %d");
|
1494 |
|
|
break;
|
1495 |
|
|
|
1496 |
|
|
case BFD_RELOC_SH_IMMS6BY32:
|
1497 |
|
|
if (val < -(1 << 10) || val > (1 << 10) - 1)
|
1498 |
|
|
msg = _("invalid operand, not a 11-bit signed value: %d");
|
1499 |
|
|
else if (val & 31)
|
1500 |
|
|
msg = _("invalid operand, not a multiple of 32: %d");
|
1501 |
|
|
break;
|
1502 |
|
|
|
1503 |
|
|
case BFD_RELOC_SH_IMMS10:
|
1504 |
|
|
if (val < -(1 << 9) || val > (1 << 9) - 1)
|
1505 |
|
|
msg = _("invalid operand, not a 10-bit signed value: %d");
|
1506 |
|
|
break;
|
1507 |
|
|
|
1508 |
|
|
case BFD_RELOC_SH_IMMS10BY2:
|
1509 |
|
|
if (val < -(1 << 10) || val > (1 << 10) - 1)
|
1510 |
|
|
msg = _("invalid operand, not a 11-bit signed value: %d");
|
1511 |
|
|
else if (val & 1)
|
1512 |
|
|
msg = _("invalid operand, not an even value: %d");
|
1513 |
|
|
break;
|
1514 |
|
|
|
1515 |
|
|
case BFD_RELOC_SH_IMMS10BY4:
|
1516 |
|
|
if (val < -(1 << 11) || val > (1 << 11) - 1)
|
1517 |
|
|
msg = _("invalid operand, not a 12-bit signed value: %d");
|
1518 |
|
|
else if (val & 3)
|
1519 |
|
|
msg = _("invalid operand, not a multiple of 4: %d");
|
1520 |
|
|
break;
|
1521 |
|
|
|
1522 |
|
|
case BFD_RELOC_SH_IMMS10BY8:
|
1523 |
|
|
if (val < -(1 << 12) || val > (1 << 12) - 1)
|
1524 |
|
|
msg = _("invalid operand, not a 13-bit signed value: %d");
|
1525 |
|
|
else if (val & 7)
|
1526 |
|
|
msg = _("invalid operand, not a multiple of 8: %d");
|
1527 |
|
|
break;
|
1528 |
|
|
|
1529 |
|
|
case BFD_RELOC_SH_IMMS16:
|
1530 |
|
|
if (val < -(1 << 15) || val > (1 << 15) - 1)
|
1531 |
|
|
msg = _("invalid operand, not a 16-bit signed value: %d");
|
1532 |
|
|
break;
|
1533 |
|
|
|
1534 |
|
|
case BFD_RELOC_SH_IMMU16:
|
1535 |
|
|
if (val < 0 || val > (1 << 16) - 1)
|
1536 |
|
|
msg = _("invalid operand, not a 16-bit unsigned value: %d");
|
1537 |
|
|
break;
|
1538 |
|
|
|
1539 |
|
|
case BFD_RELOC_SH_PT_16:
|
1540 |
|
|
case SHMEDIA_BFD_RELOC_PT:
|
1541 |
|
|
if (val < -(1 << 15) * 4 || val > ((1 << 15) - 1) * 4 + 1)
|
1542 |
|
|
msg = _("operand out of range for PT, PTA and PTB");
|
1543 |
|
|
else if ((val % 4) != 0 && ((val - 1) % 4) != 0)
|
1544 |
|
|
msg = _("operand not a multiple of 4 for PT, PTA or PTB: %d");
|
1545 |
|
|
break;
|
1546 |
|
|
|
1547 |
|
|
/* These have no limits; they take a 16-bit slice of a 32- or 64-bit
|
1548 |
|
|
number. */
|
1549 |
|
|
case BFD_RELOC_SH_IMM_HI16:
|
1550 |
|
|
case BFD_RELOC_SH_IMM_MEDHI16:
|
1551 |
|
|
case BFD_RELOC_SH_IMM_MEDLOW16:
|
1552 |
|
|
case BFD_RELOC_SH_IMM_LOW16:
|
1553 |
|
|
case BFD_RELOC_SH_IMM_HI16_PCREL:
|
1554 |
|
|
case BFD_RELOC_SH_IMM_MEDHI16_PCREL:
|
1555 |
|
|
case BFD_RELOC_SH_IMM_MEDLOW16_PCREL:
|
1556 |
|
|
case BFD_RELOC_SH_IMM_LOW16_PCREL:
|
1557 |
|
|
|
1558 |
|
|
case BFD_RELOC_SH_SHMEDIA_CODE:
|
1559 |
|
|
break;
|
1560 |
|
|
|
1561 |
|
|
/* This one has limits out of our reach. */
|
1562 |
|
|
case BFD_RELOC_64:
|
1563 |
|
|
break;
|
1564 |
|
|
|
1565 |
|
|
default:
|
1566 |
|
|
BAD_CASE (reloc);
|
1567 |
|
|
}
|
1568 |
|
|
|
1569 |
|
|
if (msg)
|
1570 |
|
|
{
|
1571 |
|
|
if (fixp)
|
1572 |
|
|
as_bad_where (fixp->fx_file, fixp->fx_line, msg, val);
|
1573 |
|
|
else
|
1574 |
|
|
as_bad (msg, val);
|
1575 |
|
|
}
|
1576 |
|
|
}
|
1577 |
|
|
|
1578 |
|
|
/* Handle an immediate operand by checking limits and noting it for later
|
1579 |
|
|
evaluation if not computable yet, and return a bitfield suitable to
|
1580 |
|
|
"or" into the opcode (non-zero if the value was a constant number). */
|
1581 |
|
|
|
1582 |
|
|
static unsigned long
|
1583 |
|
|
shmedia_immediate_op (char *where, shmedia_operand_info *op, int pcrel,
|
1584 |
|
|
bfd_reloc_code_real_type how)
|
1585 |
|
|
{
|
1586 |
|
|
unsigned long retval = 0;
|
1587 |
|
|
|
1588 |
|
|
/* If this is not an absolute number, make it a fixup. A constant in
|
1589 |
|
|
place of a pc-relative operand also needs a fixup. */
|
1590 |
|
|
if (op->immediate.X_op != O_constant || pcrel)
|
1591 |
|
|
fix_new_exp (frag_now,
|
1592 |
|
|
where - frag_now->fr_literal,
|
1593 |
|
|
4,
|
1594 |
|
|
&op->immediate,
|
1595 |
|
|
pcrel,
|
1596 |
|
|
how);
|
1597 |
|
|
else
|
1598 |
|
|
{
|
1599 |
|
|
/* Check that the number is within limits as represented by the
|
1600 |
|
|
reloc, and return the number. */
|
1601 |
|
|
shmedia_check_limits (&op->immediate.X_add_number, how, NULL);
|
1602 |
|
|
|
1603 |
|
|
retval
|
1604 |
|
|
= shmedia_mask_number ((unsigned long) op->immediate.X_add_number,
|
1605 |
|
|
how);
|
1606 |
|
|
}
|
1607 |
|
|
|
1608 |
|
|
return retval << 10;
|
1609 |
|
|
}
|
1610 |
|
|
|
1611 |
|
|
/* Try and parse a register name case-insensitively, return the number of
|
1612 |
|
|
chars consumed. */
|
1613 |
|
|
|
1614 |
|
|
static int
|
1615 |
|
|
shmedia_parse_reg (char *src, int *mode, int *reg, shmedia_arg_type argtype)
|
1616 |
|
|
{
|
1617 |
|
|
int l0 = TOLOWER (src[0]);
|
1618 |
|
|
int l1 = l0 ? TOLOWER (src[1]) : 0;
|
1619 |
|
|
|
1620 |
|
|
if (l0 == 'r')
|
1621 |
|
|
{
|
1622 |
|
|
if (src[1] >= '1' && src[1] <= '5')
|
1623 |
|
|
{
|
1624 |
|
|
if (src[2] >= '0' && src[2] <= '9'
|
1625 |
|
|
&& ! IDENT_CHAR ((unsigned char) src[3]))
|
1626 |
|
|
{
|
1627 |
|
|
*mode = A_GREG_M;
|
1628 |
|
|
*reg = 10 * (src[1] - '0') + src[2] - '0';
|
1629 |
|
|
return 3;
|
1630 |
|
|
}
|
1631 |
|
|
}
|
1632 |
|
|
|
1633 |
|
|
if (src[1] == '6')
|
1634 |
|
|
{
|
1635 |
|
|
if (src[2] >= '0' && src[2] <= '3'
|
1636 |
|
|
&& ! IDENT_CHAR ((unsigned char) src[3]))
|
1637 |
|
|
{
|
1638 |
|
|
*mode = A_GREG_M;
|
1639 |
|
|
*reg = 60 + src[2] - '0';
|
1640 |
|
|
return 3;
|
1641 |
|
|
}
|
1642 |
|
|
}
|
1643 |
|
|
|
1644 |
|
|
if (src[1] >= '0' && src[1] <= '9'
|
1645 |
|
|
&& ! IDENT_CHAR ((unsigned char) src[2]))
|
1646 |
|
|
{
|
1647 |
|
|
*mode = A_GREG_M;
|
1648 |
|
|
*reg = (src[1] - '0');
|
1649 |
|
|
return 2;
|
1650 |
|
|
}
|
1651 |
|
|
}
|
1652 |
|
|
|
1653 |
|
|
if (l0 == 't' && l1 == 'r')
|
1654 |
|
|
{
|
1655 |
|
|
if (src[2] >= '0' && src[2] <= '7'
|
1656 |
|
|
&& ! IDENT_CHAR ((unsigned char) src[3]))
|
1657 |
|
|
{
|
1658 |
|
|
*mode = A_TREG_B;
|
1659 |
|
|
*reg = (src[2] - '0');
|
1660 |
|
|
return 3;
|
1661 |
|
|
}
|
1662 |
|
|
}
|
1663 |
|
|
|
1664 |
|
|
if (l0 == 'f' && l1 == 'r')
|
1665 |
|
|
{
|
1666 |
|
|
if (src[2] >= '1' && src[2] <= '5')
|
1667 |
|
|
{
|
1668 |
|
|
if (src[3] >= '0' && src[3] <= '9'
|
1669 |
|
|
&& ! IDENT_CHAR ((unsigned char) src[4]))
|
1670 |
|
|
{
|
1671 |
|
|
*mode = A_FREG_G;
|
1672 |
|
|
*reg = 10 * (src[2] - '0') + src[3] - '0';
|
1673 |
|
|
return 4;
|
1674 |
|
|
}
|
1675 |
|
|
}
|
1676 |
|
|
if (src[2] == '6')
|
1677 |
|
|
{
|
1678 |
|
|
if (src[3] >= '0' && src[3] <= '3'
|
1679 |
|
|
&& ! IDENT_CHAR ((unsigned char) src[4]))
|
1680 |
|
|
{
|
1681 |
|
|
*mode = A_FREG_G;
|
1682 |
|
|
*reg = 60 + src[3] - '0';
|
1683 |
|
|
return 4;
|
1684 |
|
|
}
|
1685 |
|
|
}
|
1686 |
|
|
if (src[2] >= '0' && src[2] <= '9'
|
1687 |
|
|
&& ! IDENT_CHAR ((unsigned char) src[3]))
|
1688 |
|
|
{
|
1689 |
|
|
*mode = A_FREG_G;
|
1690 |
|
|
*reg = (src[2] - '0');
|
1691 |
|
|
return 3;
|
1692 |
|
|
}
|
1693 |
|
|
}
|
1694 |
|
|
|
1695 |
|
|
if (l0 == 'f' && l1 == 'v')
|
1696 |
|
|
{
|
1697 |
|
|
if (src[2] >= '1' && src[2] <= '5')
|
1698 |
|
|
{
|
1699 |
|
|
if (src[3] >= '0' && src[3] <= '9'
|
1700 |
|
|
&& ((10 * (src[2] - '0') + src[3] - '0') % 4) == 0
|
1701 |
|
|
&& ! IDENT_CHAR ((unsigned char) src[4]))
|
1702 |
|
|
{
|
1703 |
|
|
*mode = A_FVREG_G;
|
1704 |
|
|
*reg = 10 * (src[2] - '0') + src[3] - '0';
|
1705 |
|
|
return 4;
|
1706 |
|
|
}
|
1707 |
|
|
}
|
1708 |
|
|
if (src[2] == '6')
|
1709 |
|
|
{
|
1710 |
|
|
if (src[3] == '0'
|
1711 |
|
|
&& ! IDENT_CHAR ((unsigned char) src[4]))
|
1712 |
|
|
{
|
1713 |
|
|
*mode = A_FVREG_G;
|
1714 |
|
|
*reg = 60 + src[3] - '0';
|
1715 |
|
|
return 4;
|
1716 |
|
|
}
|
1717 |
|
|
}
|
1718 |
|
|
if (src[2] >= '0' && src[2] <= '9'
|
1719 |
|
|
&& ((src[2] - '0') % 4) == 0
|
1720 |
|
|
&& ! IDENT_CHAR ((unsigned char) src[3]))
|
1721 |
|
|
{
|
1722 |
|
|
*mode = A_FVREG_G;
|
1723 |
|
|
*reg = (src[2] - '0');
|
1724 |
|
|
return 3;
|
1725 |
|
|
}
|
1726 |
|
|
}
|
1727 |
|
|
|
1728 |
|
|
if (l0 == 'd' && l1 == 'r')
|
1729 |
|
|
{
|
1730 |
|
|
if (src[2] >= '1' && src[2] <= '5')
|
1731 |
|
|
{
|
1732 |
|
|
if (src[3] >= '0' && src[3] <= '9'
|
1733 |
|
|
&& ((src[3] - '0') % 2) == 0
|
1734 |
|
|
&& ! IDENT_CHAR ((unsigned char) src[4]))
|
1735 |
|
|
{
|
1736 |
|
|
*mode = A_DREG_G;
|
1737 |
|
|
*reg = 10 * (src[2] - '0') + src[3] - '0';
|
1738 |
|
|
return 4;
|
1739 |
|
|
}
|
1740 |
|
|
}
|
1741 |
|
|
|
1742 |
|
|
if (src[2] == '6')
|
1743 |
|
|
{
|
1744 |
|
|
if ((src[3] == '0' || src[3] == '2')
|
1745 |
|
|
&& ! IDENT_CHAR ((unsigned char) src[4]))
|
1746 |
|
|
{
|
1747 |
|
|
*mode = A_DREG_G;
|
1748 |
|
|
*reg = 60 + src[3] - '0';
|
1749 |
|
|
return 4;
|
1750 |
|
|
}
|
1751 |
|
|
}
|
1752 |
|
|
|
1753 |
|
|
if (src[2] >= '0' && src[2] <= '9'
|
1754 |
|
|
&& ((src[2] - '0') % 2) == 0
|
1755 |
|
|
&& ! IDENT_CHAR ((unsigned char) src[3]))
|
1756 |
|
|
{
|
1757 |
|
|
*mode = A_DREG_G;
|
1758 |
|
|
*reg = (src[2] - '0');
|
1759 |
|
|
return 3;
|
1760 |
|
|
}
|
1761 |
|
|
}
|
1762 |
|
|
|
1763 |
|
|
if (l0 == 'f' && l1 == 'p')
|
1764 |
|
|
{
|
1765 |
|
|
if (src[2] >= '1' && src[2] <= '5')
|
1766 |
|
|
{
|
1767 |
|
|
if (src[3] >= '0' && src[3] <= '9'
|
1768 |
|
|
&& ((src[3] - '0') % 2) == 0
|
1769 |
|
|
&& ! IDENT_CHAR ((unsigned char) src[4]))
|
1770 |
|
|
{
|
1771 |
|
|
*mode = A_FPREG_G;
|
1772 |
|
|
*reg = 10 * (src[2] - '0') + src[3] - '0';
|
1773 |
|
|
return 4;
|
1774 |
|
|
}
|
1775 |
|
|
}
|
1776 |
|
|
|
1777 |
|
|
if (src[2] == '6')
|
1778 |
|
|
{
|
1779 |
|
|
if ((src[3] == '0' || src[3] == '2')
|
1780 |
|
|
&& ! IDENT_CHAR ((unsigned char) src[4]))
|
1781 |
|
|
{
|
1782 |
|
|
*mode = A_FPREG_G;
|
1783 |
|
|
*reg = 60 + src[3] - '0';
|
1784 |
|
|
return 4;
|
1785 |
|
|
}
|
1786 |
|
|
}
|
1787 |
|
|
|
1788 |
|
|
if (src[2] >= '0' && src[2] <= '9'
|
1789 |
|
|
&& ((src[2] - '0') % 2) == 0
|
1790 |
|
|
&& ! IDENT_CHAR ((unsigned char) src[3]))
|
1791 |
|
|
{
|
1792 |
|
|
*mode = A_FPREG_G;
|
1793 |
|
|
*reg = (src[2] - '0');
|
1794 |
|
|
return 3;
|
1795 |
|
|
}
|
1796 |
|
|
}
|
1797 |
|
|
|
1798 |
|
|
if (l0 == 'm' && strncasecmp (src, "mtrx", 4) == 0)
|
1799 |
|
|
{
|
1800 |
|
|
if (src[4] == '0' && ! IDENT_CHAR ((unsigned char) src[5]))
|
1801 |
|
|
{
|
1802 |
|
|
*mode = A_FMREG_G;
|
1803 |
|
|
*reg = 0;
|
1804 |
|
|
return 5;
|
1805 |
|
|
}
|
1806 |
|
|
|
1807 |
|
|
if (src[4] == '1' && src[5] == '6'
|
1808 |
|
|
&& ! IDENT_CHAR ((unsigned char) src[6]))
|
1809 |
|
|
{
|
1810 |
|
|
*mode = A_FMREG_G;
|
1811 |
|
|
*reg = 16;
|
1812 |
|
|
return 6;
|
1813 |
|
|
}
|
1814 |
|
|
|
1815 |
|
|
if (src[4] == '3' && src[5] == '2'
|
1816 |
|
|
&& ! IDENT_CHAR ((unsigned char) src[6]))
|
1817 |
|
|
{
|
1818 |
|
|
*mode = A_FMREG_G;
|
1819 |
|
|
*reg = 32;
|
1820 |
|
|
return 6;
|
1821 |
|
|
}
|
1822 |
|
|
|
1823 |
|
|
if (src[4] == '4' && src[5] == '8'
|
1824 |
|
|
&& ! IDENT_CHAR ((unsigned char) src[6]))
|
1825 |
|
|
{
|
1826 |
|
|
*mode = A_FMREG_G;
|
1827 |
|
|
*reg = 48;
|
1828 |
|
|
return 6;
|
1829 |
|
|
}
|
1830 |
|
|
}
|
1831 |
|
|
|
1832 |
|
|
if (l0 == 'c' && l1 == 'r')
|
1833 |
|
|
{
|
1834 |
|
|
if (src[2] >= '1' && src[2] <= '5')
|
1835 |
|
|
{
|
1836 |
|
|
if (src[3] >= '0' && src[3] <= '9'
|
1837 |
|
|
&& ! IDENT_CHAR ((unsigned char) src[4]))
|
1838 |
|
|
{
|
1839 |
|
|
*mode = A_CREG_K;
|
1840 |
|
|
*reg = 10 * (src[2] - '0') + src[3] - '0';
|
1841 |
|
|
return 4;
|
1842 |
|
|
}
|
1843 |
|
|
}
|
1844 |
|
|
if (src[2] == '6')
|
1845 |
|
|
{
|
1846 |
|
|
if (src[3] >= '0' && src[3] <= '3'
|
1847 |
|
|
&& ! IDENT_CHAR ((unsigned char) src[4]))
|
1848 |
|
|
{
|
1849 |
|
|
*mode = A_CREG_K;
|
1850 |
|
|
*reg = 60 + src[3] - '0';
|
1851 |
|
|
return 4;
|
1852 |
|
|
}
|
1853 |
|
|
}
|
1854 |
|
|
if (src[2] >= '0' && src[2] <= '9'
|
1855 |
|
|
&& ! IDENT_CHAR ((unsigned char) src[3]))
|
1856 |
|
|
{
|
1857 |
|
|
*mode = A_CREG_K;
|
1858 |
|
|
*reg = (src[2] - '0');
|
1859 |
|
|
return 3;
|
1860 |
|
|
}
|
1861 |
|
|
}
|
1862 |
|
|
|
1863 |
|
|
/* We either have an error, a symbol or a control register by predefined
|
1864 |
|
|
name. To keep things simple but still fast for normal cases, we do
|
1865 |
|
|
linear search in the (not to big) table of predefined control
|
1866 |
|
|
registers. We only do this when we *expect* a control register.
|
1867 |
|
|
Those instructions should be rare enough that linear searching is ok.
|
1868 |
|
|
Or just read them into a hash-table in shmedia_md_begin. Since they
|
1869 |
|
|
cannot be specified in the same place of symbol operands, don't add
|
1870 |
|
|
them there to the *main* symbol table as being in "reg_section". */
|
1871 |
|
|
if (argtype == A_CREG_J || argtype == A_CREG_K)
|
1872 |
|
|
{
|
1873 |
|
|
const shmedia_creg_info *cregp;
|
1874 |
|
|
int len = 0;
|
1875 |
|
|
|
1876 |
|
|
for (cregp = shmedia_creg_table; cregp->name != NULL; cregp++)
|
1877 |
|
|
{
|
1878 |
|
|
len = strlen (cregp->name);
|
1879 |
|
|
if (strncasecmp (cregp->name, src, len) == 0
|
1880 |
|
|
&& ! IDENT_CHAR (src[len]))
|
1881 |
|
|
break;
|
1882 |
|
|
}
|
1883 |
|
|
|
1884 |
|
|
if (cregp->name != NULL)
|
1885 |
|
|
{
|
1886 |
|
|
*mode = A_CREG_K;
|
1887 |
|
|
*reg = cregp->cregno;
|
1888 |
|
|
return len;
|
1889 |
|
|
}
|
1890 |
|
|
}
|
1891 |
|
|
|
1892 |
|
|
return 0;
|
1893 |
|
|
}
|
1894 |
|
|
|
1895 |
|
|
/* Called from md_estimate_size_before_relax in tc-sh.c */
|
1896 |
|
|
|
1897 |
|
|
static int
|
1898 |
|
|
shmedia_md_estimate_size_before_relax (fragS *fragP,
|
1899 |
|
|
segT segment_type ATTRIBUTE_UNUSED)
|
1900 |
|
|
{
|
1901 |
|
|
int old_fr_fix;
|
1902 |
|
|
expressionS *exp;
|
1903 |
|
|
|
1904 |
|
|
/* For ELF, we can't relax externally visible symbols; see tc-i386.c. */
|
1905 |
|
|
bfd_boolean sym_relaxable
|
1906 |
|
|
= (fragP->fr_symbol
|
1907 |
|
|
&& S_GET_SEGMENT (fragP->fr_symbol) == segment_type
|
1908 |
|
|
&& ! S_IS_EXTERNAL (fragP->fr_symbol)
|
1909 |
|
|
&& ! S_IS_WEAK (fragP->fr_symbol));
|
1910 |
|
|
|
1911 |
|
|
old_fr_fix = fragP->fr_fix;
|
1912 |
|
|
|
1913 |
|
|
switch (fragP->fr_subtype)
|
1914 |
|
|
{
|
1915 |
|
|
case C (SH64PCREL16_32, UNDEF_SH64PCREL):
|
1916 |
|
|
case C (SH64PCREL16PT_32, UNDEF_SH64PCREL):
|
1917 |
|
|
/* Used to be to somewhere which was unknown. */
|
1918 |
|
|
if (sym_relaxable)
|
1919 |
|
|
{
|
1920 |
|
|
int what = GET_WHAT (fragP->fr_subtype);
|
1921 |
|
|
|
1922 |
|
|
/* In this segment, so head for shortest. */
|
1923 |
|
|
fragP->fr_subtype = C (what, SH64PCREL16);
|
1924 |
|
|
}
|
1925 |
|
|
else
|
1926 |
|
|
{
|
1927 |
|
|
int what = GET_WHAT (fragP->fr_subtype);
|
1928 |
|
|
/* We know the abs value, but we don't know where we will be
|
1929 |
|
|
linked, so we must make it the longest. Presumably we could
|
1930 |
|
|
switch to a non-pcrel representation, but having absolute
|
1931 |
|
|
values in PT operands should be rare enough not to be worth
|
1932 |
|
|
adding that code. */
|
1933 |
|
|
fragP->fr_subtype = C (what, SH64PCREL32);
|
1934 |
|
|
}
|
1935 |
|
|
fragP->fr_var = md_relax_table[fragP->fr_subtype].rlx_length;
|
1936 |
|
|
break;
|
1937 |
|
|
|
1938 |
|
|
case C (SH64PCREL16_64, UNDEF_SH64PCREL):
|
1939 |
|
|
case C (SH64PCREL16PT_64, UNDEF_SH64PCREL):
|
1940 |
|
|
/* Used to be to somewhere which was unknown. */
|
1941 |
|
|
if (sym_relaxable)
|
1942 |
|
|
{
|
1943 |
|
|
int what = GET_WHAT (fragP->fr_subtype);
|
1944 |
|
|
|
1945 |
|
|
/* In this segment, so head for shortest. */
|
1946 |
|
|
fragP->fr_subtype = C (what, SH64PCREL16);
|
1947 |
|
|
}
|
1948 |
|
|
else
|
1949 |
|
|
{
|
1950 |
|
|
int what = GET_WHAT (fragP->fr_subtype);
|
1951 |
|
|
/* We know the abs value, but we don't know where we will be
|
1952 |
|
|
linked, so we must make it the longest. Presumably we could
|
1953 |
|
|
switch to a non-pcrel representation, but having absolute
|
1954 |
|
|
values in PT operands should be rare enough not to be worth
|
1955 |
|
|
adding that code. */
|
1956 |
|
|
fragP->fr_subtype = C (what, SH64PCREL64);
|
1957 |
|
|
}
|
1958 |
|
|
fragP->fr_var = md_relax_table[fragP->fr_subtype].rlx_length;
|
1959 |
|
|
break;
|
1960 |
|
|
|
1961 |
|
|
case C (MOVI_IMM_64, UNDEF_MOVI):
|
1962 |
|
|
case C (MOVI_IMM_32, UNDEF_MOVI):
|
1963 |
|
|
exp = NULL;
|
1964 |
|
|
|
1965 |
|
|
/* Look inside the "symbol". If we find a PC-relative expression,
|
1966 |
|
|
change this to a PC-relative, relaxable expression. */
|
1967 |
|
|
if (fragP->fr_symbol != NULL
|
1968 |
|
|
&& (exp = symbol_get_value_expression (fragP->fr_symbol)) != NULL
|
1969 |
|
|
&& exp->X_op == O_subtract
|
1970 |
|
|
&& exp->X_op_symbol != NULL
|
1971 |
|
|
&& S_GET_SEGMENT (exp->X_op_symbol) == segment_type)
|
1972 |
|
|
{
|
1973 |
|
|
int what = GET_WHAT (fragP->fr_subtype);
|
1974 |
|
|
int what_high = what == MOVI_IMM_32 ? MOVI_32 : MOVI_64;
|
1975 |
|
|
expressionS *opexp
|
1976 |
|
|
= symbol_get_value_expression (exp->X_op_symbol);
|
1977 |
|
|
expressionS *addexp
|
1978 |
|
|
= symbol_get_value_expression (exp->X_add_symbol);
|
1979 |
|
|
|
1980 |
|
|
/* Change the MOVI expression to the "X" in "X - Y" and subtract
|
1981 |
|
|
Y:s offset to this location from X. Note that we can only
|
1982 |
|
|
allow an Y which is offset from this frag. */
|
1983 |
|
|
if (opexp != NULL
|
1984 |
|
|
&& addexp != NULL
|
1985 |
|
|
&& opexp->X_op == O_constant
|
1986 |
|
|
&& fragP == symbol_get_frag (exp->X_op_symbol))
|
1987 |
|
|
{
|
1988 |
|
|
/* At this point, before relaxing, the add-number of opexp
|
1989 |
|
|
is the offset from the fr_fix part. */
|
1990 |
|
|
fragP->fr_offset
|
1991 |
|
|
= (exp->X_add_number
|
1992 |
|
|
- (opexp->X_add_number - (fragP->fr_fix - 4)));
|
1993 |
|
|
fragP->fr_symbol = exp->X_add_symbol;
|
1994 |
|
|
|
1995 |
|
|
what = what == MOVI_IMM_32
|
1996 |
|
|
? MOVI_IMM_32_PCREL : MOVI_IMM_64_PCREL;
|
1997 |
|
|
|
1998 |
|
|
/* Check the "X" symbol to estimate the size of this
|
1999 |
|
|
PC-relative expression. */
|
2000 |
|
|
if (S_GET_SEGMENT (exp->X_add_symbol) == segment_type
|
2001 |
|
|
&& ! S_IS_EXTERNAL (exp->X_add_symbol)
|
2002 |
|
|
&& ! S_IS_WEAK (exp->X_add_symbol))
|
2003 |
|
|
fragP->fr_subtype = C (what, MOVI_16);
|
2004 |
|
|
else
|
2005 |
|
|
fragP->fr_subtype = C (what, what_high);
|
2006 |
|
|
|
2007 |
|
|
/* This is now a PC-relative expression, fit to be relaxed. */
|
2008 |
|
|
}
|
2009 |
|
|
else
|
2010 |
|
|
fragP->fr_subtype = C (what, what_high);
|
2011 |
|
|
}
|
2012 |
|
|
else if (fragP->fr_symbol == NULL
|
2013 |
|
|
|| (S_GET_SEGMENT (fragP->fr_symbol) == absolute_section
|
2014 |
|
|
&& exp->X_op == O_constant))
|
2015 |
|
|
{
|
2016 |
|
|
unsigned long insn
|
2017 |
|
|
= (target_big_endian
|
2018 |
|
|
? bfd_getb32 (fragP->fr_opcode)
|
2019 |
|
|
: bfd_getl32 (fragP->fr_opcode));
|
2020 |
|
|
offsetT one = (offsetT) 1;
|
2021 |
|
|
offsetT value = fragP->fr_offset
|
2022 |
|
|
+ (fragP->fr_symbol == NULL ? 0 : S_GET_VALUE (fragP->fr_symbol));
|
2023 |
|
|
|
2024 |
|
|
if (value >= ((offsetT) -1 << 15) && value < ((offsetT) 1 << 15))
|
2025 |
|
|
{
|
2026 |
|
|
/* Fits in 16-bit signed number. */
|
2027 |
|
|
int what = GET_WHAT (fragP->fr_subtype);
|
2028 |
|
|
fragP->fr_subtype = C (what, MOVI_16);
|
2029 |
|
|
|
2030 |
|
|
/* Just "or" in the value. */
|
2031 |
|
|
md_number_to_chars (fragP->fr_opcode,
|
2032 |
|
|
insn | ((value & ((1 << 16) - 1)) << 10),
|
2033 |
|
|
4);
|
2034 |
|
|
}
|
2035 |
|
|
else if (value >= -(one << 31)
|
2036 |
|
|
&& (value < (one << 31)
|
2037 |
|
|
|| (sh64_abi == sh64_abi_32 && value < (one << 32))))
|
2038 |
|
|
{
|
2039 |
|
|
/* The value fits in a 32-bit signed number. */
|
2040 |
|
|
int reg = (insn >> 4) & 0x3f;
|
2041 |
|
|
|
2042 |
|
|
/* Just "or" in the high bits of the value, making the first
|
2043 |
|
|
MOVI. */
|
2044 |
|
|
md_number_to_chars (fragP->fr_opcode,
|
2045 |
|
|
insn
|
2046 |
|
|
| (((value >> 16) & ((1 << 16) - 1)) << 10),
|
2047 |
|
|
4);
|
2048 |
|
|
|
2049 |
|
|
/* Add a SHORI with the low bits. Note that this insn lives
|
2050 |
|
|
in the variable fragment part. */
|
2051 |
|
|
md_number_to_chars (fragP->fr_literal + old_fr_fix,
|
2052 |
|
|
SHMEDIA_SHORI_OPC
|
2053 |
|
|
| (reg << 4)
|
2054 |
|
|
| ((value & ((1 << 16) - 1)) << 10),
|
2055 |
|
|
4);
|
2056 |
|
|
|
2057 |
|
|
/* We took a piece of the variable part. */
|
2058 |
|
|
fragP->fr_fix += 4;
|
2059 |
|
|
}
|
2060 |
|
|
else if (GET_WHAT (fragP->fr_subtype) == MOVI_IMM_32)
|
2061 |
|
|
{
|
2062 |
|
|
/* Value out of range. */
|
2063 |
|
|
as_bad_where (fragP->fr_file, fragP->fr_line,
|
2064 |
|
|
_("MOVI operand is not a 32-bit signed value: 0x%8x%08x"),
|
2065 |
|
|
((unsigned int) (value >> 32)
|
2066 |
|
|
& (unsigned int) 0xffffffff),
|
2067 |
|
|
(unsigned int) value & (unsigned int) 0xffffffff);
|
2068 |
|
|
|
2069 |
|
|
/* Must advance size, or we will get internal inconsistency
|
2070 |
|
|
and fall into an assert. */
|
2071 |
|
|
fragP->fr_fix += 4;
|
2072 |
|
|
}
|
2073 |
|
|
/* Now we know we are allowed to expand to 48- and 64-bit values. */
|
2074 |
|
|
else if (value >= -(one << 47) && value < (one << 47))
|
2075 |
|
|
{
|
2076 |
|
|
/* The value fits in a 48-bit signed number. */
|
2077 |
|
|
int reg = (insn >> 4) & 0x3f;
|
2078 |
|
|
|
2079 |
|
|
/* Just "or" in the high bits of the value, making the first
|
2080 |
|
|
MOVI. */
|
2081 |
|
|
md_number_to_chars (fragP->fr_opcode,
|
2082 |
|
|
insn
|
2083 |
|
|
| (((value >> 32) & ((1 << 16) - 1)) << 10),
|
2084 |
|
|
4);
|
2085 |
|
|
|
2086 |
|
|
/* Add a SHORI with the middle bits. Note that this insn lives
|
2087 |
|
|
in the variable fragment part. */
|
2088 |
|
|
md_number_to_chars (fragP->fr_literal + old_fr_fix,
|
2089 |
|
|
SHMEDIA_SHORI_OPC
|
2090 |
|
|
| (reg << 4)
|
2091 |
|
|
| (((value >> 16) & ((1 << 16) - 1)) << 10),
|
2092 |
|
|
4);
|
2093 |
|
|
|
2094 |
|
|
/* Add a SHORI with the low bits. */
|
2095 |
|
|
md_number_to_chars (fragP->fr_literal + old_fr_fix + 4,
|
2096 |
|
|
SHMEDIA_SHORI_OPC
|
2097 |
|
|
| (reg << 4)
|
2098 |
|
|
| ((value & ((1 << 16) - 1)) << 10),
|
2099 |
|
|
4);
|
2100 |
|
|
|
2101 |
|
|
/* We took a piece of the variable part. */
|
2102 |
|
|
fragP->fr_fix += 8;
|
2103 |
|
|
}
|
2104 |
|
|
else
|
2105 |
|
|
{
|
2106 |
|
|
/* A 64-bit number. */
|
2107 |
|
|
int reg = (insn >> 4) & 0x3f;
|
2108 |
|
|
|
2109 |
|
|
/* Just "or" in the high bits of the value, making the first
|
2110 |
|
|
MOVI. */
|
2111 |
|
|
md_number_to_chars (fragP->fr_opcode,
|
2112 |
|
|
insn
|
2113 |
|
|
| (((value >> 48) & ((1 << 16) - 1)) << 10),
|
2114 |
|
|
4);
|
2115 |
|
|
|
2116 |
|
|
/* Add a SHORI with the midhigh bits. Note that this insn lives
|
2117 |
|
|
in the variable fragment part. */
|
2118 |
|
|
md_number_to_chars (fragP->fr_literal + old_fr_fix,
|
2119 |
|
|
SHMEDIA_SHORI_OPC
|
2120 |
|
|
| (reg << 4)
|
2121 |
|
|
| (((value >> 32) & ((1 << 16) - 1)) << 10),
|
2122 |
|
|
4);
|
2123 |
|
|
|
2124 |
|
|
/* Add a SHORI with the midlow bits. */
|
2125 |
|
|
md_number_to_chars (fragP->fr_literal + old_fr_fix + 4,
|
2126 |
|
|
SHMEDIA_SHORI_OPC
|
2127 |
|
|
| (reg << 4)
|
2128 |
|
|
| (((value >> 16) & ((1 << 16) - 1)) << 10),
|
2129 |
|
|
4);
|
2130 |
|
|
|
2131 |
|
|
/* Add a SHORI with the low bits. */
|
2132 |
|
|
md_number_to_chars (fragP->fr_literal + old_fr_fix + 8,
|
2133 |
|
|
SHMEDIA_SHORI_OPC
|
2134 |
|
|
| (reg << 4)
|
2135 |
|
|
| ((value & ((1 << 16) - 1)) << 10), 4);
|
2136 |
|
|
/* We took all of the variable part. */
|
2137 |
|
|
fragP->fr_fix += 12;
|
2138 |
|
|
}
|
2139 |
|
|
|
2140 |
|
|
/* MOVI expansions that get here have not been converted to
|
2141 |
|
|
PC-relative frags, but instead expanded by
|
2142 |
|
|
md_number_to_chars or by calling shmedia_md_convert_frag
|
2143 |
|
|
with final == FALSE. We must not have them around as
|
2144 |
|
|
frags anymore; symbols would be prematurely evaluated
|
2145 |
|
|
when relaxing. We will not need to have md_convert_frag
|
2146 |
|
|
called again with them; any further handling is through
|
2147 |
|
|
the already emitted fixups. */
|
2148 |
|
|
frag_wane (fragP);
|
2149 |
|
|
break;
|
2150 |
|
|
}
|
2151 |
|
|
fragP->fr_var = md_relax_table[fragP->fr_subtype].rlx_length;
|
2152 |
|
|
break;
|
2153 |
|
|
|
2154 |
|
|
/* For relaxation states that remain unchanged, report the
|
2155 |
|
|
estimated length. */
|
2156 |
|
|
case C (SH64PCREL16_32, SH64PCREL16):
|
2157 |
|
|
case C (SH64PCREL16PT_32, SH64PCREL16):
|
2158 |
|
|
case C (SH64PCREL16_32, SH64PCREL32):
|
2159 |
|
|
case C (SH64PCREL16PT_32, SH64PCREL32):
|
2160 |
|
|
case C (SH64PCREL16_32, SH64PCRELPLT):
|
2161 |
|
|
case C (SH64PCREL16PT_32, SH64PCRELPLT):
|
2162 |
|
|
case C (SH64PCREL16_64, SH64PCREL16):
|
2163 |
|
|
case C (SH64PCREL16PT_64, SH64PCREL16):
|
2164 |
|
|
case C (SH64PCREL16_64, SH64PCREL32):
|
2165 |
|
|
case C (SH64PCREL16PT_64, SH64PCREL32):
|
2166 |
|
|
case C (SH64PCREL16_64, SH64PCREL48):
|
2167 |
|
|
case C (SH64PCREL16PT_64, SH64PCREL48):
|
2168 |
|
|
case C (SH64PCREL16_64, SH64PCREL64):
|
2169 |
|
|
case C (SH64PCREL16PT_64, SH64PCREL64):
|
2170 |
|
|
case C (SH64PCREL16_64, SH64PCRELPLT):
|
2171 |
|
|
case C (SH64PCREL16PT_64, SH64PCRELPLT):
|
2172 |
|
|
case C (MOVI_IMM_32, MOVI_16):
|
2173 |
|
|
case C (MOVI_IMM_32, MOVI_32):
|
2174 |
|
|
case C (MOVI_IMM_32, MOVI_GOTOFF):
|
2175 |
|
|
case C (MOVI_IMM_32_PCREL, MOVI_16):
|
2176 |
|
|
case C (MOVI_IMM_32_PCREL, MOVI_32):
|
2177 |
|
|
case C (MOVI_IMM_32_PCREL, MOVI_PLT):
|
2178 |
|
|
case C (MOVI_IMM_32_PCREL, MOVI_GOTPC):
|
2179 |
|
|
case C (MOVI_IMM_64, MOVI_16):
|
2180 |
|
|
case C (MOVI_IMM_64, MOVI_32):
|
2181 |
|
|
case C (MOVI_IMM_64, MOVI_48):
|
2182 |
|
|
case C (MOVI_IMM_64, MOVI_64):
|
2183 |
|
|
case C (MOVI_IMM_64, MOVI_GOTOFF):
|
2184 |
|
|
case C (MOVI_IMM_64_PCREL, MOVI_16):
|
2185 |
|
|
case C (MOVI_IMM_64_PCREL, MOVI_32):
|
2186 |
|
|
case C (MOVI_IMM_64_PCREL, MOVI_48):
|
2187 |
|
|
case C (MOVI_IMM_64_PCREL, MOVI_64):
|
2188 |
|
|
case C (MOVI_IMM_64_PCREL, MOVI_PLT):
|
2189 |
|
|
case C (MOVI_IMM_64_PCREL, MOVI_GOTPC):
|
2190 |
|
|
fragP->fr_var = md_relax_table[fragP->fr_subtype].rlx_length;
|
2191 |
|
|
break;
|
2192 |
|
|
|
2193 |
|
|
default:
|
2194 |
|
|
abort ();
|
2195 |
|
|
}
|
2196 |
|
|
|
2197 |
|
|
return fragP->fr_var + (fragP->fr_fix - old_fr_fix);
|
2198 |
|
|
}
|
2199 |
|
|
|
2200 |
|
|
/* Parse an expression, SH64-style. Copied from tc-sh.c, but with
|
2201 |
|
|
datatypes adjusted. */
|
2202 |
|
|
|
2203 |
|
|
static char *
|
2204 |
|
|
shmedia_parse_exp (char *s, shmedia_operand_info *op)
|
2205 |
|
|
{
|
2206 |
|
|
char *save;
|
2207 |
|
|
char *new;
|
2208 |
|
|
|
2209 |
|
|
save = input_line_pointer;
|
2210 |
|
|
input_line_pointer = s;
|
2211 |
|
|
expression (&op->immediate);
|
2212 |
|
|
if (op->immediate.X_op == O_absent)
|
2213 |
|
|
as_bad (_("missing operand"));
|
2214 |
|
|
new = input_line_pointer;
|
2215 |
|
|
input_line_pointer = save;
|
2216 |
|
|
return new;
|
2217 |
|
|
}
|
2218 |
|
|
|
2219 |
|
|
/* Parse an operand. Store pointer to next character in *PTR. */
|
2220 |
|
|
|
2221 |
|
|
static void
|
2222 |
|
|
shmedia_get_operand (char **ptr, shmedia_operand_info *op,
|
2223 |
|
|
shmedia_arg_type argtype)
|
2224 |
|
|
{
|
2225 |
|
|
char *src = *ptr;
|
2226 |
|
|
int mode = -1;
|
2227 |
|
|
unsigned int len;
|
2228 |
|
|
|
2229 |
|
|
len = shmedia_parse_reg (src, &mode, &(op->reg), argtype);
|
2230 |
|
|
if (len)
|
2231 |
|
|
{
|
2232 |
|
|
*ptr = src + len;
|
2233 |
|
|
op->type = mode;
|
2234 |
|
|
}
|
2235 |
|
|
else
|
2236 |
|
|
{
|
2237 |
|
|
/* Not a reg, so it must be a displacement. */
|
2238 |
|
|
*ptr = shmedia_parse_exp (src, op);
|
2239 |
|
|
op->type = A_IMMM;
|
2240 |
|
|
|
2241 |
|
|
/* This is just an initialization; shmedia_get_operands will change
|
2242 |
|
|
as needed. */
|
2243 |
|
|
op->reloctype = BFD_RELOC_NONE;
|
2244 |
|
|
}
|
2245 |
|
|
}
|
2246 |
|
|
|
2247 |
|
|
/* Parse the operands for this insn; return NULL if invalid, else return
|
2248 |
|
|
how much text was consumed. */
|
2249 |
|
|
|
2250 |
|
|
static char *
|
2251 |
|
|
shmedia_get_operands (shmedia_opcode_info *info, char *args,
|
2252 |
|
|
shmedia_operands_info *operands)
|
2253 |
|
|
{
|
2254 |
|
|
char *ptr = args;
|
2255 |
|
|
int i;
|
2256 |
|
|
|
2257 |
|
|
if (*ptr == ' ')
|
2258 |
|
|
ptr++;
|
2259 |
|
|
|
2260 |
|
|
for (i = 0; info->arg[i] != 0; i++)
|
2261 |
|
|
{
|
2262 |
|
|
memset (operands->operands + i, 0, sizeof (operands->operands[0]));
|
2263 |
|
|
|
2264 |
|
|
/* No operand to get for these fields. */
|
2265 |
|
|
if (info->arg[i] == A_REUSE_PREV)
|
2266 |
|
|
continue;
|
2267 |
|
|
|
2268 |
|
|
shmedia_get_operand (&ptr, &operands->operands[i], info->arg[i]);
|
2269 |
|
|
|
2270 |
|
|
/* Check operands type match. */
|
2271 |
|
|
switch (info->arg[i])
|
2272 |
|
|
{
|
2273 |
|
|
case A_GREG_M:
|
2274 |
|
|
case A_GREG_N:
|
2275 |
|
|
case A_GREG_D:
|
2276 |
|
|
if (operands->operands[i].type != A_GREG_M)
|
2277 |
|
|
return NULL;
|
2278 |
|
|
break;
|
2279 |
|
|
|
2280 |
|
|
case A_FREG_G:
|
2281 |
|
|
case A_FREG_H:
|
2282 |
|
|
case A_FREG_F:
|
2283 |
|
|
if (operands->operands[i].type != A_FREG_G)
|
2284 |
|
|
return NULL;
|
2285 |
|
|
break;
|
2286 |
|
|
|
2287 |
|
|
case A_FVREG_G:
|
2288 |
|
|
case A_FVREG_H:
|
2289 |
|
|
case A_FVREG_F:
|
2290 |
|
|
if (operands->operands[i].type != A_FVREG_G)
|
2291 |
|
|
return NULL;
|
2292 |
|
|
break;
|
2293 |
|
|
|
2294 |
|
|
case A_FMREG_G:
|
2295 |
|
|
case A_FMREG_H:
|
2296 |
|
|
case A_FMREG_F:
|
2297 |
|
|
if (operands->operands[i].type != A_FMREG_G)
|
2298 |
|
|
return NULL;
|
2299 |
|
|
break;
|
2300 |
|
|
|
2301 |
|
|
case A_FPREG_G:
|
2302 |
|
|
case A_FPREG_H:
|
2303 |
|
|
case A_FPREG_F:
|
2304 |
|
|
if (operands->operands[i].type != A_FPREG_G)
|
2305 |
|
|
return NULL;
|
2306 |
|
|
break;
|
2307 |
|
|
|
2308 |
|
|
case A_DREG_G:
|
2309 |
|
|
case A_DREG_H:
|
2310 |
|
|
case A_DREG_F:
|
2311 |
|
|
if (operands->operands[i].type != A_DREG_G)
|
2312 |
|
|
return NULL;
|
2313 |
|
|
break;
|
2314 |
|
|
|
2315 |
|
|
case A_TREG_A:
|
2316 |
|
|
case A_TREG_B:
|
2317 |
|
|
if (operands->operands[i].type != A_TREG_B)
|
2318 |
|
|
return NULL;
|
2319 |
|
|
break;
|
2320 |
|
|
|
2321 |
|
|
case A_CREG_J:
|
2322 |
|
|
case A_CREG_K:
|
2323 |
|
|
if (operands->operands[i].type != A_CREG_K)
|
2324 |
|
|
return NULL;
|
2325 |
|
|
break;
|
2326 |
|
|
|
2327 |
|
|
case A_IMMS16:
|
2328 |
|
|
case A_IMMU16:
|
2329 |
|
|
/* Check for an expression that looks like S & 65535 or
|
2330 |
|
|
(S >> N) & 65535, where N = 0, 16, 32, 48.
|
2331 |
|
|
|
2332 |
|
|
Get the S and put at operands->operands[i].immediate, and
|
2333 |
|
|
adjust operands->operands[i].reloctype. */
|
2334 |
|
|
{
|
2335 |
|
|
expressionS *imm_expr = &operands->operands[i].immediate;
|
2336 |
|
|
expressionS *right_expr;
|
2337 |
|
|
|
2338 |
|
|
if (operands->operands[i].type == A_IMMM
|
2339 |
|
|
&& imm_expr->X_op == O_bit_and
|
2340 |
|
|
&& imm_expr->X_op_symbol != NULL
|
2341 |
|
|
&& ((right_expr
|
2342 |
|
|
= symbol_get_value_expression (imm_expr->X_op_symbol))
|
2343 |
|
|
->X_op == O_constant)
|
2344 |
|
|
&& right_expr->X_add_number == 0xffff)
|
2345 |
|
|
{
|
2346 |
|
|
symbolS *inner = imm_expr->X_add_symbol;
|
2347 |
|
|
bfd_reloc_code_real_type reloctype = BFD_RELOC_SH_IMM_LOW16;
|
2348 |
|
|
expressionS *inner_expr
|
2349 |
|
|
= symbol_get_value_expression (inner);
|
2350 |
|
|
|
2351 |
|
|
if (inner_expr->X_op == O_right_shift)
|
2352 |
|
|
{
|
2353 |
|
|
expressionS *inner_right;
|
2354 |
|
|
|
2355 |
|
|
if (inner_expr->X_op_symbol != NULL
|
2356 |
|
|
&& ((inner_right
|
2357 |
|
|
= symbol_get_value_expression (inner_expr
|
2358 |
|
|
->X_op_symbol))
|
2359 |
|
|
->X_op == O_constant))
|
2360 |
|
|
{
|
2361 |
|
|
offsetT addnum
|
2362 |
|
|
= inner_right->X_add_number;
|
2363 |
|
|
|
2364 |
|
|
if (addnum == 0 || addnum == 16 || addnum == 32
|
2365 |
|
|
|| addnum == 48)
|
2366 |
|
|
{
|
2367 |
|
|
reloctype
|
2368 |
|
|
= (addnum == 0
|
2369 |
|
|
? BFD_RELOC_SH_IMM_LOW16
|
2370 |
|
|
: (addnum == 16
|
2371 |
|
|
? BFD_RELOC_SH_IMM_MEDLOW16
|
2372 |
|
|
: (addnum == 32
|
2373 |
|
|
? BFD_RELOC_SH_IMM_MEDHI16
|
2374 |
|
|
: BFD_RELOC_SH_IMM_HI16)));
|
2375 |
|
|
|
2376 |
|
|
inner = inner_expr->X_add_symbol;
|
2377 |
|
|
inner_expr = symbol_get_value_expression (inner);
|
2378 |
|
|
}
|
2379 |
|
|
}
|
2380 |
|
|
}
|
2381 |
|
|
|
2382 |
|
|
/* I'm not sure I understand the logic, but evidently the
|
2383 |
|
|
inner expression of a lone symbol is O_constant, with
|
2384 |
|
|
the actual symbol in expr_section. For a constant, the
|
2385 |
|
|
section would be absolute_section. For sym+offset,
|
2386 |
|
|
it's O_symbol as always. See expr.c:make_expr_symbol,
|
2387 |
|
|
first statements. */
|
2388 |
|
|
|
2389 |
|
|
if (inner_expr->X_op == O_constant
|
2390 |
|
|
&& S_GET_SEGMENT (inner) != absolute_section)
|
2391 |
|
|
{
|
2392 |
|
|
operands->operands[i].immediate.X_op = O_symbol;
|
2393 |
|
|
operands->operands[i].immediate.X_add_symbol = inner;
|
2394 |
|
|
operands->operands[i].immediate.X_add_number = 0;
|
2395 |
|
|
}
|
2396 |
|
|
else
|
2397 |
|
|
operands->operands[i].immediate
|
2398 |
|
|
= *symbol_get_value_expression (inner);
|
2399 |
|
|
|
2400 |
|
|
operands->operands[i].reloctype = reloctype;
|
2401 |
|
|
}
|
2402 |
|
|
}
|
2403 |
|
|
/* Fall through. */
|
2404 |
|
|
case A_IMMS6:
|
2405 |
|
|
case A_IMMS6BY32:
|
2406 |
|
|
case A_IMMS10:
|
2407 |
|
|
case A_IMMS10BY1:
|
2408 |
|
|
case A_IMMS10BY2:
|
2409 |
|
|
case A_IMMS10BY4:
|
2410 |
|
|
case A_IMMS10BY8:
|
2411 |
|
|
case A_PCIMMS16BY4:
|
2412 |
|
|
case A_PCIMMS16BY4_PT:
|
2413 |
|
|
case A_IMMU5:
|
2414 |
|
|
case A_IMMU6:
|
2415 |
|
|
if (operands->operands[i].type != A_IMMM)
|
2416 |
|
|
return NULL;
|
2417 |
|
|
|
2418 |
|
|
if (sh_check_fixup (&operands->operands[i].immediate,
|
2419 |
|
|
&operands->operands[i].reloctype))
|
2420 |
|
|
{
|
2421 |
|
|
as_bad (_("invalid PIC reference"));
|
2422 |
|
|
return NULL;
|
2423 |
|
|
}
|
2424 |
|
|
|
2425 |
|
|
break;
|
2426 |
|
|
|
2427 |
|
|
default:
|
2428 |
|
|
BAD_CASE (info->arg[i]);
|
2429 |
|
|
}
|
2430 |
|
|
|
2431 |
|
|
if (*ptr == ',' && info->arg[i + 1])
|
2432 |
|
|
ptr++;
|
2433 |
|
|
}
|
2434 |
|
|
return ptr;
|
2435 |
|
|
}
|
2436 |
|
|
|
2437 |
|
|
|
2438 |
|
|
/* Find an opcode at the start of *STR_P in the hash table, and set
|
2439 |
|
|
*STR_P to the first character after the last one read. */
|
2440 |
|
|
|
2441 |
|
|
static shmedia_opcode_info *
|
2442 |
|
|
shmedia_find_cooked_opcode (char **str_p)
|
2443 |
|
|
{
|
2444 |
|
|
char *str = *str_p;
|
2445 |
|
|
char *op_start;
|
2446 |
|
|
char *op_end;
|
2447 |
|
|
char name[20];
|
2448 |
|
|
unsigned int nlen = 0;
|
2449 |
|
|
|
2450 |
|
|
/* Drop leading whitespace. */
|
2451 |
|
|
while (*str == ' ')
|
2452 |
|
|
str++;
|
2453 |
|
|
|
2454 |
|
|
/* Find the op code end. */
|
2455 |
|
|
for (op_start = op_end = str;
|
2456 |
|
|
*op_end
|
2457 |
|
|
&& nlen < sizeof (name) - 1
|
2458 |
|
|
&& ! is_end_of_line[(unsigned char) *op_end]
|
2459 |
|
|
&& ! ISSPACE ((unsigned char) *op_end);
|
2460 |
|
|
op_end++)
|
2461 |
|
|
{
|
2462 |
|
|
unsigned char c = op_start[nlen];
|
2463 |
|
|
|
2464 |
|
|
/* The machine independent code will convert CMP/EQ into cmp/EQ
|
2465 |
|
|
because it thinks the '/' is the end of the symbol. Moreover,
|
2466 |
|
|
all but the first sub-insn is a parallel processing insn won't
|
2467 |
|
|
be capitalized. Instead of hacking up the machine independent
|
2468 |
|
|
code, we just deal with it here. */
|
2469 |
|
|
c = TOLOWER (c);
|
2470 |
|
|
name[nlen] = c;
|
2471 |
|
|
nlen++;
|
2472 |
|
|
}
|
2473 |
|
|
|
2474 |
|
|
name[nlen] = 0;
|
2475 |
|
|
*str_p = op_end;
|
2476 |
|
|
|
2477 |
|
|
if (nlen == 0)
|
2478 |
|
|
as_bad (_("can't find opcode"));
|
2479 |
|
|
|
2480 |
|
|
return
|
2481 |
|
|
(shmedia_opcode_info *) hash_find (shmedia_opcode_hash_control, name);
|
2482 |
|
|
}
|
2483 |
|
|
|
2484 |
|
|
/* Build up an instruction, including allocating the frag. */
|
2485 |
|
|
|
2486 |
|
|
static int
|
2487 |
|
|
shmedia_build_Mytes (shmedia_opcode_info *opcode,
|
2488 |
|
|
shmedia_operands_info *operands)
|
2489 |
|
|
{
|
2490 |
|
|
unsigned long insn = opcode->opcode_base;
|
2491 |
|
|
int i, j;
|
2492 |
|
|
char *insn_loc = frag_more (4);
|
2493 |
|
|
|
2494 |
|
|
/* The parameter to dwarf2_emit_insn is actually the offset to the start
|
2495 |
|
|
of the insn from the fix piece of instruction that was emitted.
|
2496 |
|
|
Since we want .debug_line addresses to record (address | 1) for
|
2497 |
|
|
SHmedia insns, we get the wanted effect by taking one off the size,
|
2498 |
|
|
knowing it's a multiple of 4. We count from the first fix piece of
|
2499 |
|
|
the insn. There must be no frags changes (frag_more or frag_var)
|
2500 |
|
|
calls in-between the frag_more call we account for, and this
|
2501 |
|
|
dwarf2_emit_insn call. */
|
2502 |
|
|
dwarf2_emit_insn (3);
|
2503 |
|
|
|
2504 |
|
|
/* This is stored into any frag_var operand. */
|
2505 |
|
|
sh64_last_insn_frag = frag_now;
|
2506 |
|
|
|
2507 |
|
|
/* Loop over opcode info, emit an instruction. */
|
2508 |
|
|
for (i = 0, j = 0; opcode->arg[i]; i++)
|
2509 |
|
|
{
|
2510 |
|
|
shmedia_arg_type argtype = opcode->arg[i];
|
2511 |
|
|
shmedia_operand_info *opjp = &operands->operands[j];
|
2512 |
|
|
switch (argtype)
|
2513 |
|
|
{
|
2514 |
|
|
case A_TREG_A:
|
2515 |
|
|
case A_TREG_B:
|
2516 |
|
|
case A_GREG_M:
|
2517 |
|
|
case A_GREG_N:
|
2518 |
|
|
case A_GREG_D:
|
2519 |
|
|
case A_FREG_G:
|
2520 |
|
|
case A_FREG_H:
|
2521 |
|
|
case A_FREG_F:
|
2522 |
|
|
case A_FVREG_G:
|
2523 |
|
|
case A_FVREG_H:
|
2524 |
|
|
case A_FVREG_F:
|
2525 |
|
|
case A_FMREG_G:
|
2526 |
|
|
case A_FMREG_H:
|
2527 |
|
|
case A_FMREG_F:
|
2528 |
|
|
case A_FPREG_G:
|
2529 |
|
|
case A_FPREG_H:
|
2530 |
|
|
case A_FPREG_F:
|
2531 |
|
|
case A_DREG_G:
|
2532 |
|
|
case A_DREG_H:
|
2533 |
|
|
case A_DREG_F:
|
2534 |
|
|
case A_CREG_J:
|
2535 |
|
|
case A_CREG_K:
|
2536 |
|
|
/* Six-bit register fields. They just get filled with the
|
2537 |
|
|
parsed register number. */
|
2538 |
|
|
insn |= (opjp->reg << opcode->nibbles[i]);
|
2539 |
|
|
j++;
|
2540 |
|
|
break;
|
2541 |
|
|
|
2542 |
|
|
case A_REUSE_PREV:
|
2543 |
|
|
/* Copy the register for the previous operand to this position. */
|
2544 |
|
|
insn |= (operands->operands[j - 1].reg << opcode->nibbles[i]);
|
2545 |
|
|
j++;
|
2546 |
|
|
break;
|
2547 |
|
|
|
2548 |
|
|
case A_IMMS6:
|
2549 |
|
|
insn |= shmedia_immediate_op (insn_loc, opjp, 0,
|
2550 |
|
|
BFD_RELOC_SH_IMMS6);
|
2551 |
|
|
j++;
|
2552 |
|
|
break;
|
2553 |
|
|
|
2554 |
|
|
case A_IMMS6BY32:
|
2555 |
|
|
insn |= shmedia_immediate_op (insn_loc, opjp, 0,
|
2556 |
|
|
BFD_RELOC_SH_IMMS6BY32);
|
2557 |
|
|
j++;
|
2558 |
|
|
break;
|
2559 |
|
|
|
2560 |
|
|
case A_IMMS10BY1:
|
2561 |
|
|
case A_IMMS10:
|
2562 |
|
|
insn |= shmedia_immediate_op (insn_loc, opjp, 0,
|
2563 |
|
|
BFD_RELOC_SH_IMMS10);
|
2564 |
|
|
j++;
|
2565 |
|
|
break;
|
2566 |
|
|
|
2567 |
|
|
case A_IMMS10BY2:
|
2568 |
|
|
insn |= shmedia_immediate_op (insn_loc, opjp, 0,
|
2569 |
|
|
BFD_RELOC_SH_IMMS10BY2);
|
2570 |
|
|
j++;
|
2571 |
|
|
break;
|
2572 |
|
|
|
2573 |
|
|
case A_IMMS10BY4:
|
2574 |
|
|
if (opjp->reloctype == BFD_RELOC_NONE)
|
2575 |
|
|
insn |= shmedia_immediate_op (insn_loc, opjp, 0,
|
2576 |
|
|
BFD_RELOC_SH_IMMS10BY4);
|
2577 |
|
|
else if (opjp->reloctype == BFD_RELOC_SH_GOTPLT32)
|
2578 |
|
|
insn |= shmedia_immediate_op (insn_loc, opjp, 0,
|
2579 |
|
|
BFD_RELOC_SH_GOTPLT10BY4);
|
2580 |
|
|
else if (opjp->reloctype == BFD_RELOC_32_GOT_PCREL)
|
2581 |
|
|
insn |= shmedia_immediate_op (insn_loc, opjp, 0,
|
2582 |
|
|
BFD_RELOC_SH_GOT10BY4);
|
2583 |
|
|
else
|
2584 |
|
|
as_bad (_("invalid PIC reference"));
|
2585 |
|
|
j++;
|
2586 |
|
|
break;
|
2587 |
|
|
|
2588 |
|
|
case A_IMMS10BY8:
|
2589 |
|
|
if (opjp->reloctype == BFD_RELOC_NONE)
|
2590 |
|
|
insn |= shmedia_immediate_op (insn_loc, opjp, 0,
|
2591 |
|
|
BFD_RELOC_SH_IMMS10BY8);
|
2592 |
|
|
else if (opjp->reloctype == BFD_RELOC_SH_GOTPLT32)
|
2593 |
|
|
insn |= shmedia_immediate_op (insn_loc, opjp, 0,
|
2594 |
|
|
BFD_RELOC_SH_GOTPLT10BY8);
|
2595 |
|
|
else if (opjp->reloctype == BFD_RELOC_32_GOT_PCREL)
|
2596 |
|
|
insn |= shmedia_immediate_op (insn_loc, opjp, 0,
|
2597 |
|
|
BFD_RELOC_SH_GOT10BY8);
|
2598 |
|
|
else
|
2599 |
|
|
as_bad (_("invalid PIC reference"));
|
2600 |
|
|
j++;
|
2601 |
|
|
break;
|
2602 |
|
|
|
2603 |
|
|
case A_IMMS16:
|
2604 |
|
|
/* Sneak a peek if this is the MOVI insn. If so, check if we
|
2605 |
|
|
should expand it. */
|
2606 |
|
|
if (opjp->reloctype == BFD_RELOC_32_GOT_PCREL)
|
2607 |
|
|
opjp->reloctype = BFD_RELOC_SH_GOT_LOW16;
|
2608 |
|
|
else if (opjp->reloctype == BFD_RELOC_SH_GOTPLT32)
|
2609 |
|
|
opjp->reloctype = BFD_RELOC_SH_GOTPLT_LOW16;
|
2610 |
|
|
|
2611 |
|
|
if ((opjp->reloctype == BFD_RELOC_NONE
|
2612 |
|
|
|| opjp->reloctype == BFD_RELOC_32_GOTOFF
|
2613 |
|
|
|| opjp->reloctype == BFD_RELOC_32_PLT_PCREL
|
2614 |
|
|
|| opjp->reloctype == BFD_RELOC_SH_GOTPC)
|
2615 |
|
|
&& opcode->opcode_base == SHMEDIA_MOVI_OPC
|
2616 |
|
|
&& (opjp->immediate.X_op != O_constant
|
2617 |
|
|
|| opjp->immediate.X_add_number < -32768
|
2618 |
|
|
|| opjp->immediate.X_add_number > 32767)
|
2619 |
|
|
&& (sh64_expand
|
2620 |
|
|
|| opjp->reloctype == BFD_RELOC_32_GOTOFF
|
2621 |
|
|
|| opjp->reloctype == BFD_RELOC_32_PLT_PCREL
|
2622 |
|
|
|| opjp->reloctype == BFD_RELOC_SH_GOTPC))
|
2623 |
|
|
{
|
2624 |
|
|
int what = sh64_abi == sh64_abi_64 ? MOVI_IMM_64 : MOVI_IMM_32;
|
2625 |
|
|
offsetT max = sh64_abi == sh64_abi_64 ? MOVI_64 : MOVI_32;
|
2626 |
|
|
offsetT min = MOVI_16;
|
2627 |
|
|
offsetT init = UNDEF_MOVI;
|
2628 |
|
|
valueT addvalue
|
2629 |
|
|
= opjp->immediate.X_op_symbol != NULL
|
2630 |
|
|
? 0 : opjp->immediate.X_add_number;
|
2631 |
|
|
symbolS *sym
|
2632 |
|
|
= opjp->immediate.X_op_symbol != NULL
|
2633 |
|
|
? make_expr_symbol (&opjp->immediate)
|
2634 |
|
|
: opjp->immediate.X_add_symbol;
|
2635 |
|
|
|
2636 |
|
|
if (opjp->reloctype == BFD_RELOC_32_GOTOFF)
|
2637 |
|
|
init = max = min = MOVI_GOTOFF;
|
2638 |
|
|
else if (opjp->reloctype == BFD_RELOC_32_PLT_PCREL)
|
2639 |
|
|
{
|
2640 |
|
|
init = max = min = MOVI_PLT;
|
2641 |
|
|
what = (sh64_abi == sh64_abi_64
|
2642 |
|
|
? MOVI_IMM_64_PCREL
|
2643 |
|
|
: MOVI_IMM_32_PCREL);
|
2644 |
|
|
}
|
2645 |
|
|
else if (opjp->reloctype == BFD_RELOC_SH_GOTPC)
|
2646 |
|
|
{
|
2647 |
|
|
init = max = min = MOVI_GOTPC;
|
2648 |
|
|
what = (sh64_abi == sh64_abi_64
|
2649 |
|
|
? MOVI_IMM_64_PCREL
|
2650 |
|
|
: MOVI_IMM_32_PCREL);
|
2651 |
|
|
}
|
2652 |
|
|
|
2653 |
|
|
frag_var (rs_machine_dependent,
|
2654 |
|
|
md_relax_table[C (what, max)].rlx_length,
|
2655 |
|
|
md_relax_table[C (what, min)].rlx_length,
|
2656 |
|
|
C (what, init), sym, addvalue, insn_loc);
|
2657 |
|
|
}
|
2658 |
|
|
else
|
2659 |
|
|
insn |= shmedia_immediate_op (insn_loc, opjp, 0,
|
2660 |
|
|
(opjp->reloctype
|
2661 |
|
|
== BFD_RELOC_NONE)
|
2662 |
|
|
? BFD_RELOC_SH_IMMS16
|
2663 |
|
|
: opjp->reloctype);
|
2664 |
|
|
j++;
|
2665 |
|
|
break;
|
2666 |
|
|
|
2667 |
|
|
case A_PCIMMS16BY4:
|
2668 |
|
|
{
|
2669 |
|
|
int what
|
2670 |
|
|
= ((sh64_abi == sh64_abi_64 && ! sh64_pt32)
|
2671 |
|
|
? SH64PCREL16_64 : SH64PCREL16_32);
|
2672 |
|
|
offsetT max
|
2673 |
|
|
= ((sh64_abi == sh64_abi_64 && ! sh64_pt32)
|
2674 |
|
|
? SH64PCREL64 : SH64PCREL32);
|
2675 |
|
|
offsetT min = SH64PCREL16;
|
2676 |
|
|
offsetT init = UNDEF_SH64PCREL;
|
2677 |
|
|
|
2678 |
|
|
/* Don't allow complex expressions here. */
|
2679 |
|
|
if (opjp->immediate.X_op_symbol != NULL)
|
2680 |
|
|
{
|
2681 |
|
|
as_bad(_("invalid operand: expression in PT target"));
|
2682 |
|
|
return 0;
|
2683 |
|
|
}
|
2684 |
|
|
|
2685 |
|
|
if (opjp->reloctype == BFD_RELOC_32_PLT_PCREL)
|
2686 |
|
|
init = max = min = SH64PCRELPLT;
|
2687 |
|
|
|
2688 |
|
|
/* If we're not expanding, then just emit a fixup. */
|
2689 |
|
|
if (sh64_expand || opjp->reloctype != BFD_RELOC_NONE)
|
2690 |
|
|
frag_var (rs_machine_dependent,
|
2691 |
|
|
md_relax_table[C (what, max)].rlx_length,
|
2692 |
|
|
md_relax_table[C (what, min)].rlx_length,
|
2693 |
|
|
C (what, init),
|
2694 |
|
|
opjp->immediate.X_add_symbol,
|
2695 |
|
|
opjp->immediate.X_add_number,
|
2696 |
|
|
insn_loc);
|
2697 |
|
|
else
|
2698 |
|
|
insn |= shmedia_immediate_op (insn_loc, opjp, 1,
|
2699 |
|
|
opjp->reloctype == BFD_RELOC_NONE
|
2700 |
|
|
? BFD_RELOC_SH_PT_16
|
2701 |
|
|
: opjp->reloctype);
|
2702 |
|
|
|
2703 |
|
|
j++;
|
2704 |
|
|
break;
|
2705 |
|
|
}
|
2706 |
|
|
|
2707 |
|
|
case A_PCIMMS16BY4_PT:
|
2708 |
|
|
{
|
2709 |
|
|
int what
|
2710 |
|
|
= ((sh64_abi == sh64_abi_64 && ! sh64_pt32)
|
2711 |
|
|
? SH64PCREL16PT_64 : SH64PCREL16PT_32);
|
2712 |
|
|
offsetT max
|
2713 |
|
|
= ((sh64_abi == sh64_abi_64 && ! sh64_pt32)
|
2714 |
|
|
? SH64PCREL64 : SH64PCREL32);
|
2715 |
|
|
offsetT min = SH64PCREL16;
|
2716 |
|
|
offsetT init = UNDEF_SH64PCREL;
|
2717 |
|
|
|
2718 |
|
|
/* Don't allow complex expressions here. */
|
2719 |
|
|
if (opjp->immediate.X_op_symbol != NULL)
|
2720 |
|
|
{
|
2721 |
|
|
as_bad(_("invalid operand: expression in PT target"));
|
2722 |
|
|
return 0;
|
2723 |
|
|
}
|
2724 |
|
|
|
2725 |
|
|
if (opjp->reloctype == BFD_RELOC_32_PLT_PCREL)
|
2726 |
|
|
init = max = min = SH64PCRELPLT;
|
2727 |
|
|
|
2728 |
|
|
/* If we're not expanding, then just emit a fixup. */
|
2729 |
|
|
if (sh64_expand || opjp->reloctype != BFD_RELOC_NONE)
|
2730 |
|
|
frag_var (rs_machine_dependent,
|
2731 |
|
|
md_relax_table[C (what, max)].rlx_length,
|
2732 |
|
|
md_relax_table[C (what, min)].rlx_length,
|
2733 |
|
|
C (what, init),
|
2734 |
|
|
opjp->immediate.X_add_symbol,
|
2735 |
|
|
opjp->immediate.X_add_number,
|
2736 |
|
|
insn_loc);
|
2737 |
|
|
else
|
2738 |
|
|
/* This reloc-type is just temporary, so we can distinguish
|
2739 |
|
|
PTA from PT. It is changed in shmedia_md_apply_fix to
|
2740 |
|
|
BFD_RELOC_SH_PT_16. */
|
2741 |
|
|
insn |= shmedia_immediate_op (insn_loc, opjp, 1,
|
2742 |
|
|
opjp->reloctype == BFD_RELOC_NONE
|
2743 |
|
|
? SHMEDIA_BFD_RELOC_PT
|
2744 |
|
|
: opjp->reloctype);
|
2745 |
|
|
|
2746 |
|
|
j++;
|
2747 |
|
|
break;
|
2748 |
|
|
}
|
2749 |
|
|
|
2750 |
|
|
case A_IMMU5:
|
2751 |
|
|
insn |= shmedia_immediate_op (insn_loc, opjp, 0,
|
2752 |
|
|
BFD_RELOC_SH_IMMU5);
|
2753 |
|
|
j++;
|
2754 |
|
|
break;
|
2755 |
|
|
|
2756 |
|
|
case A_IMMU6:
|
2757 |
|
|
insn |= shmedia_immediate_op (insn_loc, opjp, 0,
|
2758 |
|
|
BFD_RELOC_SH_IMMU6);
|
2759 |
|
|
j++;
|
2760 |
|
|
break;
|
2761 |
|
|
|
2762 |
|
|
case A_IMMU16:
|
2763 |
|
|
insn |= shmedia_immediate_op (insn_loc, opjp, 0,
|
2764 |
|
|
(opjp->reloctype
|
2765 |
|
|
== BFD_RELOC_NONE)
|
2766 |
|
|
? BFD_RELOC_SH_IMMU16
|
2767 |
|
|
: opjp->reloctype);
|
2768 |
|
|
j++;
|
2769 |
|
|
break;
|
2770 |
|
|
|
2771 |
|
|
default:
|
2772 |
|
|
BAD_CASE (argtype);
|
2773 |
|
|
}
|
2774 |
|
|
}
|
2775 |
|
|
|
2776 |
|
|
md_number_to_chars (insn_loc, insn, 4);
|
2777 |
|
|
return 4;
|
2778 |
|
|
}
|
2779 |
|
|
|
2780 |
|
|
/* Assemble a SHmedia instruction. */
|
2781 |
|
|
|
2782 |
|
|
static void
|
2783 |
|
|
shmedia_md_assemble (char *str)
|
2784 |
|
|
{
|
2785 |
|
|
char *op_end;
|
2786 |
|
|
shmedia_opcode_info *opcode;
|
2787 |
|
|
shmedia_operands_info operands;
|
2788 |
|
|
int size;
|
2789 |
|
|
|
2790 |
|
|
opcode = shmedia_find_cooked_opcode (&str);
|
2791 |
|
|
op_end = str;
|
2792 |
|
|
|
2793 |
|
|
if (opcode == NULL)
|
2794 |
|
|
{
|
2795 |
|
|
as_bad (_("unknown opcode"));
|
2796 |
|
|
return;
|
2797 |
|
|
}
|
2798 |
|
|
|
2799 |
|
|
/* Start a SHmedia code region, if there has been pseudoinsns or similar
|
2800 |
|
|
seen since the last one. */
|
2801 |
|
|
if (!seen_insn)
|
2802 |
|
|
{
|
2803 |
|
|
sh64_update_contents_mark (TRUE);
|
2804 |
|
|
sh64_set_contents_type (CRT_SH5_ISA32);
|
2805 |
|
|
seen_insn = TRUE;
|
2806 |
|
|
}
|
2807 |
|
|
|
2808 |
|
|
op_end = shmedia_get_operands (opcode, op_end, &operands);
|
2809 |
|
|
|
2810 |
|
|
if (op_end == NULL)
|
2811 |
|
|
{
|
2812 |
|
|
as_bad (_("invalid operands to %s"), opcode->name);
|
2813 |
|
|
return;
|
2814 |
|
|
}
|
2815 |
|
|
|
2816 |
|
|
if (*op_end)
|
2817 |
|
|
{
|
2818 |
|
|
as_bad (_("excess operands to %s"), opcode->name);
|
2819 |
|
|
return;
|
2820 |
|
|
}
|
2821 |
|
|
|
2822 |
|
|
size = shmedia_build_Mytes (opcode, &operands);
|
2823 |
|
|
if (size == 0)
|
2824 |
|
|
return;
|
2825 |
|
|
}
|
2826 |
|
|
|
2827 |
|
|
/* Hook called from md_begin in tc-sh.c. */
|
2828 |
|
|
|
2829 |
|
|
void
|
2830 |
|
|
shmedia_md_begin (void)
|
2831 |
|
|
{
|
2832 |
|
|
const shmedia_opcode_info *shmedia_opcode;
|
2833 |
|
|
shmedia_opcode_hash_control = hash_new ();
|
2834 |
|
|
|
2835 |
|
|
/* Create opcode table for SHmedia mnemonics. */
|
2836 |
|
|
for (shmedia_opcode = shmedia_table;
|
2837 |
|
|
shmedia_opcode->name;
|
2838 |
|
|
shmedia_opcode++)
|
2839 |
|
|
hash_insert (shmedia_opcode_hash_control, shmedia_opcode->name,
|
2840 |
|
|
(char *) shmedia_opcode);
|
2841 |
|
|
}
|
2842 |
|
|
|
2843 |
|
|
/* Switch instruction set. Only valid if one of the --isa or --abi
|
2844 |
|
|
options was specified. */
|
2845 |
|
|
|
2846 |
|
|
static void
|
2847 |
|
|
s_sh64_mode (int ignore ATTRIBUTE_UNUSED)
|
2848 |
|
|
{
|
2849 |
|
|
char *name = input_line_pointer, ch;
|
2850 |
|
|
|
2851 |
|
|
/* Make sure data up to this location is handled according to the
|
2852 |
|
|
previous ISA. */
|
2853 |
|
|
sh64_update_contents_mark (TRUE);
|
2854 |
|
|
|
2855 |
|
|
while (!is_end_of_line[(unsigned char) *input_line_pointer])
|
2856 |
|
|
input_line_pointer++;
|
2857 |
|
|
ch = *input_line_pointer;
|
2858 |
|
|
*input_line_pointer = '\0';
|
2859 |
|
|
|
2860 |
|
|
/* If the mode was not set before, explicitly or implicitly, then we're
|
2861 |
|
|
not emitting SH64 code, so this pseudo is invalid. */
|
2862 |
|
|
if (sh64_isa_mode == sh64_isa_unspecified)
|
2863 |
|
|
as_bad (_("The `.mode %s' directive is not valid with this architecture"),
|
2864 |
|
|
name);
|
2865 |
|
|
|
2866 |
|
|
if (strcasecmp (name, "shcompact") == 0)
|
2867 |
|
|
sh64_isa_mode = sh64_isa_shcompact;
|
2868 |
|
|
else if (strcasecmp (name, "shmedia") == 0)
|
2869 |
|
|
sh64_isa_mode = sh64_isa_shmedia;
|
2870 |
|
|
else
|
2871 |
|
|
as_bad (_("Invalid argument to .mode: %s"), name);
|
2872 |
|
|
|
2873 |
|
|
/* Make a new frag, marking it with the supposedly-changed ISA. */
|
2874 |
|
|
frag_wane (frag_now);
|
2875 |
|
|
frag_new (0);
|
2876 |
|
|
|
2877 |
|
|
/* Contents type up to this new point is the same as before; don't add a
|
2878 |
|
|
data region just because the new frag we created. */
|
2879 |
|
|
sh64_update_contents_mark (FALSE);
|
2880 |
|
|
|
2881 |
|
|
*input_line_pointer = ch;
|
2882 |
|
|
demand_empty_rest_of_line ();
|
2883 |
|
|
}
|
2884 |
|
|
|
2885 |
|
|
/* Check that the right ABI is used. Only valid if one of the --isa or
|
2886 |
|
|
--abi options was specified. */
|
2887 |
|
|
|
2888 |
|
|
static void
|
2889 |
|
|
s_sh64_abi (int ignore ATTRIBUTE_UNUSED)
|
2890 |
|
|
{
|
2891 |
|
|
char *name = input_line_pointer, ch;
|
2892 |
|
|
|
2893 |
|
|
while (!is_end_of_line[(unsigned char) *input_line_pointer])
|
2894 |
|
|
input_line_pointer++;
|
2895 |
|
|
ch = *input_line_pointer;
|
2896 |
|
|
*input_line_pointer = '\0';
|
2897 |
|
|
|
2898 |
|
|
/* If the mode was not set before, explicitly or implicitly, then we're
|
2899 |
|
|
not emitting SH64 code, so this pseudo is invalid. */
|
2900 |
|
|
if (sh64_abi == sh64_abi_unspecified)
|
2901 |
|
|
as_bad (_("The `.abi %s' directive is not valid with this architecture"),
|
2902 |
|
|
name);
|
2903 |
|
|
|
2904 |
|
|
if (strcmp (name, "64") == 0)
|
2905 |
|
|
{
|
2906 |
|
|
if (sh64_abi != sh64_abi_64)
|
2907 |
|
|
as_bad (_("`.abi 64' but command-line options do not specify 64-bit ABI"));
|
2908 |
|
|
}
|
2909 |
|
|
else if (strcmp (name, "32") == 0)
|
2910 |
|
|
{
|
2911 |
|
|
if (sh64_abi != sh64_abi_32)
|
2912 |
|
|
as_bad (_("`.abi 32' but command-line options do not specify 32-bit ABI"));
|
2913 |
|
|
}
|
2914 |
|
|
else
|
2915 |
|
|
as_bad (_("Invalid argument to .abi: %s"), name);
|
2916 |
|
|
|
2917 |
|
|
*input_line_pointer = ch;
|
2918 |
|
|
demand_empty_rest_of_line ();
|
2919 |
|
|
}
|
2920 |
|
|
|
2921 |
|
|
/* This function is the first target-specific function called after
|
2922 |
|
|
parsing command-line options. Therefore we set default values from
|
2923 |
|
|
command-line options here and do some sanity checking we couldn't do
|
2924 |
|
|
when options were being parsed. */
|
2925 |
|
|
|
2926 |
|
|
const char *
|
2927 |
|
|
sh64_target_format (void)
|
2928 |
|
|
{
|
2929 |
|
|
#ifdef TE_NetBSD
|
2930 |
|
|
/* For NetBSD, if the ISA is unspecified, always use SHmedia. */
|
2931 |
|
|
if (preset_target_arch == 0 && sh64_isa_mode == sh64_isa_unspecified)
|
2932 |
|
|
sh64_isa_mode = sh64_isa_shmedia;
|
2933 |
|
|
|
2934 |
|
|
/* If the ABI is unspecified, select a default: based on how
|
2935 |
|
|
we were configured: sh64 == sh64_abi_64, else sh64_abi_32. */
|
2936 |
|
|
if (sh64_abi == sh64_abi_unspecified)
|
2937 |
|
|
{
|
2938 |
|
|
if (preset_target_arch != 0 || sh64_isa_mode == sh64_isa_shcompact)
|
2939 |
|
|
sh64_abi = sh64_abi_32;
|
2940 |
|
|
else if (strncmp (TARGET_CPU, "sh64", 4) == 0)
|
2941 |
|
|
sh64_abi = sh64_abi_64;
|
2942 |
|
|
else
|
2943 |
|
|
sh64_abi = sh64_abi_32;
|
2944 |
|
|
}
|
2945 |
|
|
#endif
|
2946 |
|
|
|
2947 |
|
|
#ifdef TE_LINUX
|
2948 |
|
|
if (preset_target_arch == 0 && sh64_isa_mode == sh64_isa_unspecified)
|
2949 |
|
|
sh64_isa_mode = sh64_isa_shmedia;
|
2950 |
|
|
|
2951 |
|
|
if (sh64_abi == sh64_abi_unspecified)
|
2952 |
|
|
sh64_abi = sh64_abi_32;
|
2953 |
|
|
#endif
|
2954 |
|
|
|
2955 |
|
|
if (sh64_abi == sh64_abi_64 && sh64_isa_mode == sh64_isa_unspecified)
|
2956 |
|
|
sh64_isa_mode = sh64_isa_shmedia;
|
2957 |
|
|
|
2958 |
|
|
if (sh64_abi == sh64_abi_32 && sh64_isa_mode == sh64_isa_unspecified)
|
2959 |
|
|
sh64_isa_mode = sh64_isa_shcompact;
|
2960 |
|
|
|
2961 |
|
|
if (sh64_isa_mode == sh64_isa_shcompact
|
2962 |
|
|
&& sh64_abi == sh64_abi_unspecified)
|
2963 |
|
|
sh64_abi = sh64_abi_32;
|
2964 |
|
|
|
2965 |
|
|
if (sh64_isa_mode == sh64_isa_shmedia
|
2966 |
|
|
&& sh64_abi == sh64_abi_unspecified)
|
2967 |
|
|
sh64_abi = sh64_abi_64;
|
2968 |
|
|
|
2969 |
|
|
if (sh64_isa_mode == sh64_isa_unspecified && ! sh64_mix)
|
2970 |
|
|
as_bad (_("-no-mix is invalid without specifying SHcompact or SHmedia"));
|
2971 |
|
|
|
2972 |
|
|
if ((sh64_isa_mode == sh64_isa_unspecified
|
2973 |
|
|
|| sh64_isa_mode == sh64_isa_shmedia)
|
2974 |
|
|
&& sh64_shcompact_const_crange)
|
2975 |
|
|
as_bad (_("-shcompact-const-crange is invalid without SHcompact"));
|
2976 |
|
|
|
2977 |
|
|
if (sh64_pt32 && sh64_abi != sh64_abi_64)
|
2978 |
|
|
as_bad (_("-expand-pt32 only valid with -abi=64"));
|
2979 |
|
|
|
2980 |
|
|
if (! sh64_expand && sh64_isa_mode == sh64_isa_unspecified)
|
2981 |
|
|
as_bad (_("-no-expand only valid with SHcompact or SHmedia"));
|
2982 |
|
|
|
2983 |
|
|
if (sh64_pt32 && ! sh64_expand)
|
2984 |
|
|
as_bad (_("-expand-pt32 invalid together with -no-expand"));
|
2985 |
|
|
|
2986 |
|
|
#ifdef TE_NetBSD
|
2987 |
|
|
if (sh64_abi == sh64_abi_64)
|
2988 |
|
|
return (target_big_endian ? "elf64-sh64-nbsd" : "elf64-sh64l-nbsd");
|
2989 |
|
|
else
|
2990 |
|
|
return (target_big_endian ? "elf32-sh64-nbsd" : "elf32-sh64l-nbsd");
|
2991 |
|
|
#elif defined (TE_LINUX)
|
2992 |
|
|
if (sh64_abi == sh64_abi_64)
|
2993 |
|
|
return (target_big_endian ? "elf64-sh64big-linux" : "elf64-sh64-linux");
|
2994 |
|
|
else
|
2995 |
|
|
return (target_big_endian ? "elf32-sh64big-linux" : "elf32-sh64-linux");
|
2996 |
|
|
#else
|
2997 |
|
|
/* When the ISA is not one of SHmedia or SHcompact, use the old SH
|
2998 |
|
|
object format. */
|
2999 |
|
|
if (sh64_isa_mode == sh64_isa_unspecified)
|
3000 |
|
|
return (target_big_endian ? "elf32-sh" : "elf32-shl");
|
3001 |
|
|
else if (sh64_abi == sh64_abi_64)
|
3002 |
|
|
return (target_big_endian ? "elf64-sh64" : "elf64-sh64l");
|
3003 |
|
|
else
|
3004 |
|
|
return (target_big_endian ? "elf32-sh64" : "elf32-sh64l");
|
3005 |
|
|
#endif
|
3006 |
|
|
}
|
3007 |
|
|
|
3008 |
|
|
/* The worker function of TARGET_MACH. */
|
3009 |
|
|
|
3010 |
|
|
int
|
3011 |
|
|
sh64_target_mach (void)
|
3012 |
|
|
{
|
3013 |
|
|
/* We need to explicitly set bfd_mach_sh5 instead of the default 0. But
|
3014 |
|
|
we only do this for the 64-bit ABI: if we do it for the 32-bit ABI,
|
3015 |
|
|
the SH5 info in the bfd_arch_info structure will be selected.
|
3016 |
|
|
However correct, as the machine has 64-bit addresses, functions
|
3017 |
|
|
expected to emit 32-bit data for addresses will start failing. For
|
3018 |
|
|
example, the dwarf2dbg.c functions will emit 64-bit debugging format,
|
3019 |
|
|
and we don't want that in the 32-bit ABI.
|
3020 |
|
|
|
3021 |
|
|
We could have two bfd_arch_info structures for SH64; one for the
|
3022 |
|
|
32-bit ABI and one for the rest (64-bit ABI). But that would be a
|
3023 |
|
|
bigger kludge: it's a flaw in the BFD design, and we need to just
|
3024 |
|
|
work around it by having the default machine set here in the
|
3025 |
|
|
assembler. For everything else but the assembler, the various bfd
|
3026 |
|
|
functions will set the machine type right to bfd_mach_sh5 from object
|
3027 |
|
|
file header flags regardless of the 0 here. */
|
3028 |
|
|
|
3029 |
|
|
return (sh64_abi == sh64_abi_64) ? bfd_mach_sh5 : 0;
|
3030 |
|
|
}
|
3031 |
|
|
|
3032 |
|
|
/* This is MD_PCREL_FROM_SECTION, we we define so it is called instead of
|
3033 |
|
|
md_pcrel_from (in tc-sh.c). */
|
3034 |
|
|
|
3035 |
|
|
valueT
|
3036 |
|
|
shmedia_md_pcrel_from_section (struct fix *fixP, segT sec ATTRIBUTE_UNUSED)
|
3037 |
|
|
{
|
3038 |
|
|
/* Use the ISA for the instruction to decide which offset to use. We
|
3039 |
|
|
can glean it from the fisup type. */
|
3040 |
|
|
switch (fixP->fx_r_type)
|
3041 |
|
|
{
|
3042 |
|
|
case BFD_RELOC_SH_IMM_LOW16:
|
3043 |
|
|
case BFD_RELOC_SH_IMM_MEDLOW16:
|
3044 |
|
|
case BFD_RELOC_SH_IMM_MEDHI16:
|
3045 |
|
|
case BFD_RELOC_SH_IMM_HI16:
|
3046 |
|
|
case BFD_RELOC_SH_IMM_LOW16_PCREL:
|
3047 |
|
|
case BFD_RELOC_SH_IMM_MEDLOW16_PCREL:
|
3048 |
|
|
case BFD_RELOC_SH_IMM_MEDHI16_PCREL:
|
3049 |
|
|
case BFD_RELOC_SH_IMM_HI16_PCREL:
|
3050 |
|
|
case BFD_RELOC_SH_IMMU5:
|
3051 |
|
|
case BFD_RELOC_SH_IMMU6:
|
3052 |
|
|
case BFD_RELOC_SH_IMMS6:
|
3053 |
|
|
case BFD_RELOC_SH_IMMS10:
|
3054 |
|
|
case BFD_RELOC_SH_IMMS10BY2:
|
3055 |
|
|
case BFD_RELOC_SH_IMMS10BY4:
|
3056 |
|
|
case BFD_RELOC_SH_IMMS10BY8:
|
3057 |
|
|
case BFD_RELOC_SH_IMMS16:
|
3058 |
|
|
case BFD_RELOC_SH_IMMU16:
|
3059 |
|
|
case BFD_RELOC_SH_PT_16:
|
3060 |
|
|
case SHMEDIA_BFD_RELOC_PT:
|
3061 |
|
|
/* PC-relative relocs are relative to the address of the last generated
|
3062 |
|
|
instruction, i.e. fx_size - 4. */
|
3063 |
|
|
return SHMEDIA_MD_PCREL_FROM_FIX (fixP);
|
3064 |
|
|
|
3065 |
|
|
case BFD_RELOC_64:
|
3066 |
|
|
case BFD_RELOC_64_PCREL:
|
3067 |
|
|
/* Fall through. */
|
3068 |
|
|
|
3069 |
|
|
default:
|
3070 |
|
|
/* If section was SHcompact, use its function. */
|
3071 |
|
|
return (valueT) md_pcrel_from_section (fixP, sec);
|
3072 |
|
|
}
|
3073 |
|
|
|
3074 |
|
|
know (0 /* Shouldn't get here. */);
|
3075 |
|
|
return 0;
|
3076 |
|
|
}
|
3077 |
|
|
|
3078 |
|
|
/* Create one .cranges descriptor from two symbols, STARTSYM marking begin
|
3079 |
|
|
and ENDSYM marking end, and CR_TYPE specifying the type. */
|
3080 |
|
|
|
3081 |
|
|
static void
|
3082 |
|
|
sh64_emit_crange (symbolS *startsym, symbolS *endsym,
|
3083 |
|
|
enum sh64_elf_cr_type cr_type)
|
3084 |
|
|
{
|
3085 |
|
|
expressionS exp;
|
3086 |
|
|
segT current_seg = now_seg;
|
3087 |
|
|
subsegT current_subseg = now_subseg;
|
3088 |
|
|
|
3089 |
|
|
asection *cranges
|
3090 |
|
|
= bfd_make_section_old_way (stdoutput,
|
3091 |
|
|
SH64_CRANGES_SECTION_NAME);
|
3092 |
|
|
|
3093 |
|
|
/* Temporarily change to the .cranges section. */
|
3094 |
|
|
subseg_set (cranges, 0);
|
3095 |
|
|
|
3096 |
|
|
/* Emit the cr_addr part. */
|
3097 |
|
|
exp.X_op = O_symbol;
|
3098 |
|
|
exp.X_add_number = 0;
|
3099 |
|
|
exp.X_op_symbol = NULL;
|
3100 |
|
|
exp.X_add_symbol = startsym;
|
3101 |
|
|
emit_expr (&exp, 4);
|
3102 |
|
|
|
3103 |
|
|
/* Emit the cr_size part. */
|
3104 |
|
|
exp.X_op = O_subtract;
|
3105 |
|
|
exp.X_add_number = 0;
|
3106 |
|
|
exp.X_add_symbol = endsym;
|
3107 |
|
|
exp.X_op_symbol = startsym;
|
3108 |
|
|
emit_expr (&exp, 4);
|
3109 |
|
|
|
3110 |
|
|
/* Emit the cr_size part. */
|
3111 |
|
|
exp.X_op = O_constant;
|
3112 |
|
|
exp.X_add_number = cr_type;
|
3113 |
|
|
exp.X_add_symbol = NULL;
|
3114 |
|
|
exp.X_op_symbol = NULL;
|
3115 |
|
|
emit_expr (&exp, 2);
|
3116 |
|
|
|
3117 |
|
|
/* Now back to our regular program. */
|
3118 |
|
|
subseg_set (current_seg, current_subseg);
|
3119 |
|
|
}
|
3120 |
|
|
|
3121 |
|
|
/* Called when the assembler is about to emit contents of some type into
|
3122 |
|
|
SEG, so it is *known* that the type of that new contents is in
|
3123 |
|
|
NEW_CONTENTS_TYPE. If just switching back and forth between different
|
3124 |
|
|
contents types (for example, with consecutive .mode pseudos), then this
|
3125 |
|
|
function isn't called. */
|
3126 |
|
|
|
3127 |
|
|
static void
|
3128 |
|
|
sh64_set_contents_type (enum sh64_elf_cr_type new_contents_type)
|
3129 |
|
|
{
|
3130 |
|
|
segment_info_type *seginfo;
|
3131 |
|
|
|
3132 |
|
|
/* We will not be called when emitting .cranges output, since callers
|
3133 |
|
|
stop that. Validize that assumption. */
|
3134 |
|
|
know (!emitting_crange);
|
3135 |
|
|
|
3136 |
|
|
seginfo = seg_info (now_seg);
|
3137 |
|
|
|
3138 |
|
|
if (seginfo)
|
3139 |
|
|
{
|
3140 |
|
|
symbolS *symp = seginfo->tc_segment_info_data.last_contents_mark;
|
3141 |
|
|
|
3142 |
|
|
enum sh64_elf_cr_type contents_type
|
3143 |
|
|
= seginfo->tc_segment_info_data.contents_type;
|
3144 |
|
|
|
3145 |
|
|
/* If it was just SHcompact switching between code and constant
|
3146 |
|
|
pool, don't change contents type. Just make sure we don't set
|
3147 |
|
|
the contents type to data, as that would join with a data-region
|
3148 |
|
|
in SHmedia mode. */
|
3149 |
|
|
if (sh64_isa_mode == sh64_isa_shcompact
|
3150 |
|
|
&& ! sh64_shcompact_const_crange)
|
3151 |
|
|
new_contents_type = CRT_SH5_ISA16;
|
3152 |
|
|
|
3153 |
|
|
/* If nothing changed, stop here. */
|
3154 |
|
|
if (contents_type == new_contents_type)
|
3155 |
|
|
return;
|
3156 |
|
|
|
3157 |
|
|
/* If we're in 64-bit ABI mode, we do not emit .cranges, as it is
|
3158 |
|
|
only specified for 32-bit addresses. It could presumably be
|
3159 |
|
|
extended, but in 64-bit ABI mode we don't have SHcompact code, so
|
3160 |
|
|
we would only use it to mark code and data. */
|
3161 |
|
|
if (sh64_abi == sh64_abi_64)
|
3162 |
|
|
{
|
3163 |
|
|
/* Make the code type "sticky". We don't want to set the
|
3164 |
|
|
sections contents type to data if there's any code in it as
|
3165 |
|
|
we don't have .cranges in 64-bit mode to notice the
|
3166 |
|
|
difference. */
|
3167 |
|
|
seginfo->tc_segment_info_data.contents_type
|
3168 |
|
|
= (new_contents_type == CRT_SH5_ISA32
|
3169 |
|
|
|| contents_type == CRT_SH5_ISA32)
|
3170 |
|
|
? CRT_SH5_ISA32 : new_contents_type;
|
3171 |
|
|
return;
|
3172 |
|
|
}
|
3173 |
|
|
|
3174 |
|
|
/* If none was marked, create a start symbol for this range and
|
3175 |
|
|
perhaps as a closing symbol for the old one. */
|
3176 |
|
|
if (symp == NULL)
|
3177 |
|
|
symp = symbol_new (FAKE_LABEL_NAME, now_seg, (valueT) frag_now_fix (),
|
3178 |
|
|
frag_now);
|
3179 |
|
|
|
3180 |
|
|
/* We will use this symbol, so don't leave a pointer behind. */
|
3181 |
|
|
seginfo->tc_segment_info_data.last_contents_mark = NULL;
|
3182 |
|
|
|
3183 |
|
|
/* We'll be making only datalabel references to it, if we emit a
|
3184 |
|
|
.cranges descriptor, so remove any code flag. */
|
3185 |
|
|
S_SET_OTHER (symp, S_GET_OTHER (symp) & ~STO_SH5_ISA32);
|
3186 |
|
|
|
3187 |
|
|
/* If we have already marked the start of a range, we need to close
|
3188 |
|
|
and emit it before marking a new one, so emit a new .cranges
|
3189 |
|
|
descriptor into the .cranges section. */
|
3190 |
|
|
if (seginfo->tc_segment_info_data.mode_start_symbol)
|
3191 |
|
|
{
|
3192 |
|
|
/* If we're not supposed to emit mixed-mode sections, make it an
|
3193 |
|
|
error, but continue processing. */
|
3194 |
|
|
if (! sh64_mix
|
3195 |
|
|
&& (new_contents_type == CRT_SH5_ISA32
|
3196 |
|
|
|| contents_type == CRT_SH5_ISA32))
|
3197 |
|
|
as_bad (
|
3198 |
|
|
_("SHmedia code not allowed in same section as constants and SHcompact code"));
|
3199 |
|
|
|
3200 |
|
|
emitting_crange = TRUE;
|
3201 |
|
|
sh64_emit_crange (seginfo->tc_segment_info_data.mode_start_symbol,
|
3202 |
|
|
symp, contents_type);
|
3203 |
|
|
emitting_crange = FALSE;
|
3204 |
|
|
seginfo->tc_segment_info_data.emitted_ranges++;
|
3205 |
|
|
}
|
3206 |
|
|
|
3207 |
|
|
seginfo->tc_segment_info_data.mode_start_symbol = symp;
|
3208 |
|
|
seginfo->tc_segment_info_data.mode_start_subseg = now_subseg;
|
3209 |
|
|
seginfo->tc_segment_info_data.contents_type = new_contents_type;
|
3210 |
|
|
|
3211 |
|
|
/* Always reset this, so the SHcompact code will emit a reloc when
|
3212 |
|
|
it prepares to relax. */
|
3213 |
|
|
seginfo->tc_segment_info_data.in_code = 0;
|
3214 |
|
|
}
|
3215 |
|
|
else
|
3216 |
|
|
as_bad (_("No segment info for current section"));
|
3217 |
|
|
}
|
3218 |
|
|
|
3219 |
|
|
/* Hook when defining symbols and labels. We set the ST_OTHER field if
|
3220 |
|
|
the symbol is "shmedia" (with "bitor 1" automatically applied). Simple
|
3221 |
|
|
semantics for a label being "shmedia" : It was defined when .mode
|
3222 |
|
|
SHmedia was in effect, and it was defined in a code section. It
|
3223 |
|
|
doesn't matter whether or not an assembled opcode is nearby. */
|
3224 |
|
|
|
3225 |
|
|
void
|
3226 |
|
|
sh64_frob_label (symbolS *symp)
|
3227 |
|
|
{
|
3228 |
|
|
segT seg = S_GET_SEGMENT (symp);
|
3229 |
|
|
static const symbolS *null = NULL;
|
3230 |
|
|
|
3231 |
|
|
/* Reset the tc marker for all newly created symbols. */
|
3232 |
|
|
symbol_set_tc (symp, (symbolS **) &null);
|
3233 |
|
|
|
3234 |
|
|
if (seg != NULL && sh64_isa_mode == sh64_isa_shmedia && subseg_text_p (seg))
|
3235 |
|
|
S_SET_OTHER (symp, S_GET_OTHER (symp) | STO_SH5_ISA32);
|
3236 |
|
|
}
|
3237 |
|
|
|
3238 |
|
|
/* Handle the "datalabel" qualifier. We need to call "operand", but it's
|
3239 |
|
|
static, so a function pointer is passed here instead. FIXME: A target
|
3240 |
|
|
hook for qualifiers is needed; we currently use the md_parse_name
|
3241 |
|
|
symbol hook. */
|
3242 |
|
|
|
3243 |
|
|
int
|
3244 |
|
|
sh64_consume_datalabel (const char *name, expressionS *exp,
|
3245 |
|
|
enum expr_mode mode, char *cp,
|
3246 |
|
|
segT (*operandf) (expressionS *, enum expr_mode))
|
3247 |
|
|
{
|
3248 |
|
|
static int parsing_datalabel = 0;
|
3249 |
|
|
|
3250 |
|
|
if (strcasecmp (name, "datalabel") == 0)
|
3251 |
|
|
{
|
3252 |
|
|
int save_parsing_datalabel = parsing_datalabel;
|
3253 |
|
|
|
3254 |
|
|
if (parsing_datalabel)
|
3255 |
|
|
as_bad (_("duplicate datalabel operator ignored"));
|
3256 |
|
|
|
3257 |
|
|
*input_line_pointer = *cp;
|
3258 |
|
|
parsing_datalabel = 1;
|
3259 |
|
|
(*operandf) (exp, expr_normal);
|
3260 |
|
|
parsing_datalabel = save_parsing_datalabel;
|
3261 |
|
|
|
3262 |
|
|
if (exp->X_op == O_symbol || exp->X_op == O_PIC_reloc)
|
3263 |
|
|
{
|
3264 |
|
|
symbolS *symp = exp->X_add_symbol;
|
3265 |
|
|
segT symseg = S_GET_SEGMENT (symp);
|
3266 |
|
|
|
3267 |
|
|
/* If the symbol is defined to something that is already a
|
3268 |
|
|
datalabel, we don't need to bother with any special handling. */
|
3269 |
|
|
if (symseg != undefined_section
|
3270 |
|
|
&& S_GET_OTHER (symp) != STO_SH5_ISA32)
|
3271 |
|
|
/* Do nothing. */
|
3272 |
|
|
;
|
3273 |
|
|
else
|
3274 |
|
|
{
|
3275 |
|
|
symbolS *dl_symp;
|
3276 |
|
|
const char *name = S_GET_NAME (symp);
|
3277 |
|
|
char *dl_name
|
3278 |
|
|
= xmalloc (strlen (name) + sizeof (DATALABEL_SUFFIX));
|
3279 |
|
|
|
3280 |
|
|
/* Now we copy the datalabel-qualified symbol into a symbol
|
3281 |
|
|
with the same name, but with " DL" appended. We mark the
|
3282 |
|
|
symbol using the TC_SYMFIELD_TYPE field with a pointer to
|
3283 |
|
|
the main symbol, so we don't have to inspect all symbol
|
3284 |
|
|
names. Note that use of "datalabel" is not expected to
|
3285 |
|
|
be a common case. */
|
3286 |
|
|
strcpy (dl_name, name);
|
3287 |
|
|
strcat (dl_name, DATALABEL_SUFFIX);
|
3288 |
|
|
|
3289 |
|
|
/* A FAKE_LABEL_NAME marks "$" or ".". There can be any
|
3290 |
|
|
number of them and all have the same (faked) name; we
|
3291 |
|
|
must make a new one each time. */
|
3292 |
|
|
if (strcmp (name, FAKE_LABEL_NAME) == 0)
|
3293 |
|
|
dl_symp = symbol_make (dl_name);
|
3294 |
|
|
else
|
3295 |
|
|
dl_symp = symbol_find_or_make (dl_name);
|
3296 |
|
|
|
3297 |
|
|
free (dl_name);
|
3298 |
|
|
symbol_set_value_expression (dl_symp,
|
3299 |
|
|
symbol_get_value_expression (symp));
|
3300 |
|
|
S_SET_SEGMENT (dl_symp, symseg);
|
3301 |
|
|
symbol_set_frag (dl_symp, symbol_get_frag (symp));
|
3302 |
|
|
symbol_set_tc (dl_symp, &symp);
|
3303 |
|
|
copy_symbol_attributes (dl_symp, symp);
|
3304 |
|
|
exp->X_add_symbol = dl_symp;
|
3305 |
|
|
|
3306 |
|
|
/* Unset the BranchTarget mark that can be set at symbol
|
3307 |
|
|
creation or attributes copying. */
|
3308 |
|
|
S_SET_OTHER (dl_symp, S_GET_OTHER (dl_symp) & ~STO_SH5_ISA32);
|
3309 |
|
|
|
3310 |
|
|
/* The GLOBAL and WEAK attributes are not copied over by
|
3311 |
|
|
copy_symbol_attributes. Do it here. */
|
3312 |
|
|
if (S_IS_WEAK (symp))
|
3313 |
|
|
S_SET_WEAK (dl_symp);
|
3314 |
|
|
else if (S_IS_EXTERNAL (symp))
|
3315 |
|
|
S_SET_EXTERNAL (dl_symp);
|
3316 |
|
|
}
|
3317 |
|
|
}
|
3318 |
|
|
/* Complain about other types of operands than symbol, unless they
|
3319 |
|
|
have already been complained about. A constant is always a
|
3320 |
|
|
datalabel. Removing the low bit would therefore be wrong.
|
3321 |
|
|
Complaining about it would also be wrong. */
|
3322 |
|
|
else if (exp->X_op != O_illegal
|
3323 |
|
|
&& exp->X_op != O_absent
|
3324 |
|
|
&& exp->X_op != O_constant)
|
3325 |
|
|
as_bad (_("Invalid DataLabel expression"));
|
3326 |
|
|
|
3327 |
|
|
*cp = *input_line_pointer;
|
3328 |
|
|
|
3329 |
|
|
return 1;
|
3330 |
|
|
}
|
3331 |
|
|
|
3332 |
|
|
return sh_parse_name (name, exp, mode, cp);
|
3333 |
|
|
}
|
3334 |
|
|
|
3335 |
|
|
/* This function is called just before symbols are being output. It
|
3336 |
|
|
returns zero when a symbol must be output, non-zero otherwise.
|
3337 |
|
|
Datalabel references that were fully resolved to local symbols are not
|
3338 |
|
|
necessary to output. We also do not want to output undefined symbols
|
3339 |
|
|
that are not used in relocs. For symbols that are used in a reloc, it
|
3340 |
|
|
does not matter what we set here. If it is *not* used in a reloc, then
|
3341 |
|
|
it was probably the datalabel counterpart that was used in a reloc;
|
3342 |
|
|
then we need not output the main symbol. */
|
3343 |
|
|
|
3344 |
|
|
int
|
3345 |
|
|
sh64_exclude_symbol (symbolS *symp)
|
3346 |
|
|
{
|
3347 |
|
|
symbolS *main_symbol = *symbol_get_tc (symp);
|
3348 |
|
|
|
3349 |
|
|
return main_symbol != NULL || ! S_IS_DEFINED (symp);
|
3350 |
|
|
}
|
3351 |
|
|
|
3352 |
|
|
/* If we haven't seen an insn since the last update, and location
|
3353 |
|
|
indicators have moved (a new frag, new location within frag) we have
|
3354 |
|
|
emitted data, so change contents type to data. Forget that we have
|
3355 |
|
|
seen a sequence of insns and store the current location so we can mark
|
3356 |
|
|
a new region if needed. */
|
3357 |
|
|
|
3358 |
|
|
static void
|
3359 |
|
|
sh64_update_contents_mark (bfd_boolean update_type)
|
3360 |
|
|
{
|
3361 |
|
|
segment_info_type *seginfo;
|
3362 |
|
|
seginfo = seg_info (now_seg);
|
3363 |
|
|
|
3364 |
|
|
if (seginfo != NULL)
|
3365 |
|
|
{
|
3366 |
|
|
symbolS *symp = seginfo->tc_segment_info_data.last_contents_mark;
|
3367 |
|
|
|
3368 |
|
|
if (symp == NULL)
|
3369 |
|
|
{
|
3370 |
|
|
symp = symbol_new (FAKE_LABEL_NAME, now_seg,
|
3371 |
|
|
(valueT) frag_now_fix (), frag_now);
|
3372 |
|
|
seginfo->tc_segment_info_data.last_contents_mark = symp;
|
3373 |
|
|
}
|
3374 |
|
|
else
|
3375 |
|
|
{
|
3376 |
|
|
/* If we have moved location since last flush, we need to emit a
|
3377 |
|
|
data range. The previous contents type ended at the location
|
3378 |
|
|
of the last update. */
|
3379 |
|
|
if ((S_GET_VALUE (symp) != frag_now_fix ()
|
3380 |
|
|
|| symbol_get_frag (symp) != frag_now))
|
3381 |
|
|
{
|
3382 |
|
|
enum sh64_elf_cr_type contents_type
|
3383 |
|
|
= seginfo->tc_segment_info_data.contents_type;
|
3384 |
|
|
|
3385 |
|
|
if (update_type
|
3386 |
|
|
&& contents_type != CRT_DATA
|
3387 |
|
|
&& contents_type != CRT_NONE
|
3388 |
|
|
&& ! seen_insn)
|
3389 |
|
|
{
|
3390 |
|
|
sh64_set_contents_type (CRT_DATA);
|
3391 |
|
|
symp = seginfo->tc_segment_info_data.last_contents_mark;
|
3392 |
|
|
}
|
3393 |
|
|
|
3394 |
|
|
/* If the symbol wasn't used up to make up a new range
|
3395 |
|
|
descriptor, update it to this new location. */
|
3396 |
|
|
if (symp)
|
3397 |
|
|
{
|
3398 |
|
|
S_SET_VALUE (symp, (valueT) frag_now_fix ());
|
3399 |
|
|
symbol_set_frag (symp, frag_now);
|
3400 |
|
|
}
|
3401 |
|
|
}
|
3402 |
|
|
}
|
3403 |
|
|
}
|
3404 |
|
|
|
3405 |
|
|
seen_insn = FALSE;
|
3406 |
|
|
}
|
3407 |
|
|
|
3408 |
|
|
/* Called when the assembler is about to output some data, or maybe it's
|
3409 |
|
|
just switching segments. */
|
3410 |
|
|
|
3411 |
|
|
void
|
3412 |
|
|
sh64_flush_pending_output (void)
|
3413 |
|
|
{
|
3414 |
|
|
sh64_update_contents_mark (TRUE);
|
3415 |
|
|
sh_flush_pending_output ();
|
3416 |
|
|
}
|
3417 |
|
|
|
3418 |
|
|
/* Flush out the last crange descriptor after all insns have been emitted. */
|
3419 |
|
|
|
3420 |
|
|
static void
|
3421 |
|
|
sh64_flush_last_crange (bfd *abfd ATTRIBUTE_UNUSED, asection *seg,
|
3422 |
|
|
void *countparg ATTRIBUTE_UNUSED)
|
3423 |
|
|
{
|
3424 |
|
|
segment_info_type *seginfo;
|
3425 |
|
|
|
3426 |
|
|
seginfo = seg_info (seg);
|
3427 |
|
|
|
3428 |
|
|
if (seginfo
|
3429 |
|
|
/* Only emit .cranges descriptors if we would make it more than one. */
|
3430 |
|
|
&& seginfo->tc_segment_info_data.emitted_ranges != 0)
|
3431 |
|
|
{
|
3432 |
|
|
symbolS *symp;
|
3433 |
|
|
|
3434 |
|
|
/* We need a closing symbol, so switch to the indicated section and
|
3435 |
|
|
emit it. */
|
3436 |
|
|
|
3437 |
|
|
/* Change to the section we're about to handle. */
|
3438 |
|
|
subseg_set (seg, seginfo->tc_segment_info_data.mode_start_subseg);
|
3439 |
|
|
|
3440 |
|
|
symp = symbol_new (FAKE_LABEL_NAME, now_seg, (valueT) frag_now_fix (),
|
3441 |
|
|
frag_now);
|
3442 |
|
|
|
3443 |
|
|
/* We'll be making a datalabel reference to it, so remove any code
|
3444 |
|
|
flag. */
|
3445 |
|
|
S_SET_OTHER (symp, S_GET_OTHER (symp) & ~STO_SH5_ISA32);
|
3446 |
|
|
|
3447 |
|
|
sh64_emit_crange (seginfo->tc_segment_info_data.mode_start_symbol,
|
3448 |
|
|
symp,
|
3449 |
|
|
seginfo->tc_segment_info_data.contents_type);
|
3450 |
|
|
}
|
3451 |
|
|
}
|
3452 |
|
|
|
3453 |
|
|
/* If and only if we see a call to md_number_to_chars without flagging the
|
3454 |
|
|
start of an insn, we set the contents type to CRT_DATA, and only when
|
3455 |
|
|
in SHmedia mode. Note that by default we don't bother changing when
|
3456 |
|
|
going from SHcompact to data, as the constant pools in GCC-generated
|
3457 |
|
|
SHcompact code would create an inordinate amount of .cranges
|
3458 |
|
|
descriptors. */
|
3459 |
|
|
|
3460 |
|
|
static void
|
3461 |
|
|
sh64_flag_output (void)
|
3462 |
|
|
{
|
3463 |
|
|
if (sh64_isa_mode != sh64_isa_unspecified
|
3464 |
|
|
&& !seen_insn
|
3465 |
|
|
&& !sh64_end_of_assembly
|
3466 |
|
|
&& !emitting_crange)
|
3467 |
|
|
{
|
3468 |
|
|
md_flush_pending_output ();
|
3469 |
|
|
sh64_set_contents_type (CRT_DATA);
|
3470 |
|
|
}
|
3471 |
|
|
}
|
3472 |
|
|
|
3473 |
|
|
/* Vtables don't need "datalabel" but we allow it by simply deleting
|
3474 |
|
|
any we find. */
|
3475 |
|
|
|
3476 |
|
|
static char *
|
3477 |
|
|
strip_datalabels (void)
|
3478 |
|
|
{
|
3479 |
|
|
char *src, *dest, *start=input_line_pointer;
|
3480 |
|
|
|
3481 |
|
|
for (src=input_line_pointer, dest=input_line_pointer; *src != '\n'; )
|
3482 |
|
|
{
|
3483 |
|
|
if (strncasecmp (src, "datalabel", 9) == 0
|
3484 |
|
|
&& ISSPACE (src[9])
|
3485 |
|
|
&& (src == start || !(ISALNUM (src[-1])) || src[-1] == '_'))
|
3486 |
|
|
src += 10;
|
3487 |
|
|
else
|
3488 |
|
|
*dest++ = *src++;
|
3489 |
|
|
}
|
3490 |
|
|
|
3491 |
|
|
if (dest < src)
|
3492 |
|
|
*dest = '\n';
|
3493 |
|
|
return src + 1;
|
3494 |
|
|
}
|
3495 |
|
|
|
3496 |
|
|
static void
|
3497 |
|
|
sh64_vtable_entry (int ignore ATTRIBUTE_UNUSED)
|
3498 |
|
|
{
|
3499 |
|
|
char *eol = strip_datalabels ();
|
3500 |
|
|
|
3501 |
|
|
obj_elf_vtable_entry (0);
|
3502 |
|
|
input_line_pointer = eol;
|
3503 |
|
|
}
|
3504 |
|
|
|
3505 |
|
|
static void
|
3506 |
|
|
sh64_vtable_inherit (int ignore ATTRIBUTE_UNUSED)
|
3507 |
|
|
{
|
3508 |
|
|
char *eol = strip_datalabels ();
|
3509 |
|
|
|
3510 |
|
|
obj_elf_vtable_inherit (0);
|
3511 |
|
|
input_line_pointer = eol;
|
3512 |
|
|
}
|
3513 |
|
|
|
3514 |
|
|
int
|
3515 |
|
|
sh64_fake_label (const char *name)
|
3516 |
|
|
{
|
3517 |
|
|
size_t len;
|
3518 |
|
|
|
3519 |
|
|
if (strcmp (name, FAKE_LABEL_NAME) == 0)
|
3520 |
|
|
return 1;
|
3521 |
|
|
|
3522 |
|
|
len = strlen (name);
|
3523 |
|
|
if (len >= (sizeof (DATALABEL_SUFFIX) - 1))
|
3524 |
|
|
return strcmp (&name [len - sizeof (DATALABEL_SUFFIX) + 1],
|
3525 |
|
|
DATALABEL_SUFFIX) == 0;
|
3526 |
|
|
|
3527 |
|
|
return 0;
|
3528 |
|
|
}
|