/* tc-sh.c -- Assemble code for the Renesas / SuperH SH
- Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
- Free Software Foundation, Inc.
+ Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+ 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to
- the Free Software Foundation, 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ the Free Software Foundation, 51 Franklin Street - Fifth Floor,
+ Boston, MA 02110-1301, USA. */
/* Written By Steve Chamberlain <sac@cygnus.com> */
#endif
#include "dwarf2dbg.h"
+#include "dw2gencfi.h"
typedef struct
{
{0, 0, 0}
};
-/*int md_reloc_size; */
-
int sh_relax; /* set if -relax seen */
/* Whether -small was seen. */
int sh_small;
-/* preset architecture set, if given; zero otherwise. */
+/* Flag to generate relocations against symbol values for local symbols. */
+
+static int dont_adjust_reloc_32;
+
+/* Flag to indicate that '$' is allowed as a register prefix. */
+
+static int allow_dollar_register_prefix;
+
+/* Preset architecture set, if given; zero otherwise. */
-static int preset_target_arch;
+static unsigned int preset_target_arch;
/* The bit mask of architectures that could
accommodate the insns seen so far. */
-static int valid_arch;
+static unsigned int valid_arch;
const char EXP_CHARS[] = "eE";
{
const sh_opcode_info *opcode;
char *prev_name = "";
- int target_arch;
+ unsigned int target_arch;
target_arch
- = preset_target_arch ? preset_target_arch : arch_sh1_up & ~arch_sh_dsp_up;
+ = preset_target_arch ? preset_target_arch : arch_sh_up & ~arch_sh_has_dsp;
valid_arch = target_arch;
#ifdef HAVE_SH64
{
if (strcmp (prev_name, opcode->name) != 0)
{
- if (! (opcode->arch & target_arch))
+ if (!SH_MERGE_ARCH_SET_VALID (opcode->arch, target_arch))
continue;
prev_name = opcode->name;
hash_insert (opcode_hash_control, opcode->name, (char *) opcode);
/* Try to parse a reg name. Return the number of chars consumed. */
-static int
-parse_reg (char *src, int *mode, int *reg)
+static unsigned int
+parse_reg_without_prefix (char *src, int *mode, int *reg)
{
char l0 = TOLOWER (src[0]);
char l1 = l0 ? TOLOWER (src[1]) : 0;
return 3;
}
+ if (l0 == 't' && l1 == 'b' && TOLOWER (src[2]) == 'r'
+ && ! IDENT_CHAR ((unsigned char) src[3]))
+ {
+ *mode = A_TBR;
+ return 3;
+ }
if (l0 == 'm' && l1 == 'a' && TOLOWER (src[2]) == 'c'
&& ! IDENT_CHAR ((unsigned char) src[4]))
{
return 0;
}
+/* Like parse_reg_without_prefix, but this version supports
+ $-prefixed register names if enabled by the user. */
+
+static unsigned int
+parse_reg (char *src, int *mode, int *reg)
+{
+ unsigned int prefix;
+ unsigned int consumed;
+
+ if (src[0] == '$')
+ {
+ if (allow_dollar_register_prefix)
+ {
+ src ++;
+ prefix = 1;
+ }
+ else
+ return 0;
+ }
+ else
+ prefix = 0;
+
+ consumed = parse_reg_without_prefix (src, mode, reg);
+
+ if (consumed == 0)
+ return 0;
+
+ return consumed + prefix;
+}
+
static char *
parse_exp (char *s, sh_operand_info *op)
{
int len;
int mode;
src++;
- if (src[0] == '-')
+ if (src[0] == '@')
+ {
+ src = parse_at (src, op);
+ if (op->type == A_DISP_TBR)
+ op->type = A_DISP2_TBR;
+ else
+ as_bad (_("illegal double indirection"));
+ }
+ else if (src[0] == '-')
{
/* Must be predecrement. */
src++;
{
op->type = A_DISP_GBR;
}
+ else if (mode == A_TBR)
+ {
+ op->type = A_DISP_TBR;
+ }
else if (mode == A_PC)
{
/* We want @(expr, pc) to uniformly address . + expr,
sh_operand_info *user = operands + n;
sh_arg_type arg = this_try->arg[n];
+ if (SH_MERGE_ARCH_SET_VALID (valid_arch, arch_sh2a_nofpu_up)
+ && ( arg == A_DISP_REG_M
+ || arg == A_DISP_REG_N))
+ {
+ /* Check a few key IMM* fields for overflow. */
+ int opf;
+ long val = user->immediate.X_add_number;
+
+ for (opf = 0; opf < 4; opf ++)
+ switch (this_try->nibbles[opf])
+ {
+ case IMM0_4:
+ case IMM1_4:
+ if (val < 0 || val > 15)
+ goto fail;
+ break;
+ case IMM0_4BY2:
+ case IMM1_4BY2:
+ if (val < 0 || val > 15 * 2)
+ goto fail;
+ break;
+ case IMM0_4BY4:
+ case IMM1_4BY4:
+ if (val < 0 || val > 15 * 4)
+ goto fail;
+ break;
+ default:
+ break;
+ }
+ }
switch (arg)
{
case A_DISP_PC:
case A_BDISP12:
case A_BDISP8:
case A_DISP_GBR:
+ case A_DISP2_TBR:
case A_MACH:
case A_PR:
case A_MACL:
reg_n = user->reg;
break;
case A_GBR:
+ case A_TBR:
case A_SR:
case A_VBR:
case A_DSR:
reg_b = user->reg;
break;
+ case A_INC_R15:
+ if (user->type != A_INC_N)
+ goto fail;
+ if (user->reg != 15)
+ goto fail;
+ reg_n = user->reg;
+ break;
+
+ case A_DEC_R15:
+ if (user->type != A_DEC_N)
+ goto fail;
+ if (user->reg != 15)
+ goto fail;
+ reg_n = user->reg;
+ break;
+
case A_REG_M:
case A_INC_M:
case A_DEC_M:
goto fail;
reg_n = user->reg;
break;
-
+
case AS_INC_N:
if (user->type != A_INC_N)
goto fail;
goto fail;
reg_n = user->reg;
break;
-
+
case AS_IND_N:
if (user->type != A_IND_N)
goto fail;
goto fail;
reg_n = user->reg;
break;
-
+
case AS_PMOD_N:
if (user->type != AX_PMOD_N)
goto fail;
goto fail;
reg_n = user->reg;
break;
-
+
case AX_INC_N:
if (user->type != A_INC_N)
goto fail;
goto fail;
reg_n = user->reg;
break;
-
+
case AX_IND_N:
if (user->type != A_IND_N)
goto fail;
goto fail;
reg_n = user->reg;
break;
-
+
case AX_PMOD_N:
if (user->type != AX_PMOD_N)
goto fail;
goto fail;
reg_n = user->reg;
break;
-
+
case AXY_INC_N:
if (user->type != A_INC_N)
goto fail;
goto fail;
reg_n = user->reg;
break;
-
+
case AXY_IND_N:
if (user->type != A_IND_N)
goto fail;
goto fail;
reg_n = user->reg;
break;
-
+
case AXY_PMOD_N:
if (user->type != AX_PMOD_N)
goto fail;
goto fail;
reg_n = user->reg;
break;
-
+
case AY_INC_N:
if (user->type != A_INC_N)
goto fail;
goto fail;
reg_n = user->reg;
break;
-
+
case AY_IND_N:
if (user->type != A_IND_N)
goto fail;
goto fail;
reg_n = user->reg;
break;
-
+
case AY_PMOD_N:
if (user->type != AY_PMOD_N)
goto fail;
goto fail;
reg_n = user->reg;
break;
-
+
case AYX_IND_N:
if (user->type != A_IND_N)
goto fail;
goto fail;
reg_n = user->reg;
break;
-
+
case AYX_PMOD_N:
if (user->type != AY_PMOD_N)
goto fail;
goto fail;
}
}
- if ( !(valid_arch & this_try->arch))
+ if ( !SH_MERGE_ARCH_SET_VALID (valid_arch, this_try->arch))
goto fail;
- valid_arch &= this_try->arch;
+ valid_arch = SH_MERGE_ARCH_SET (valid_arch, this_try->arch);
return this_try;
fail:
;
how);
}
+static void
+insert4 (char * where, int how, int pcrel, sh_operand_info * op)
+{
+ fix_new_exp (frag_now,
+ where - frag_now->fr_literal,
+ 4,
+ & op->immediate,
+ pcrel,
+ how);
+}
static void
build_relax (sh_opcode_info *opcode, sh_operand_info *op)
{
build_Mytes (sh_opcode_info *opcode, sh_operand_info *operand)
{
int index;
- char nbuf[4];
- char *output = frag_more (2);
+ char nbuf[8];
+ char *output;
unsigned int size = 2;
int low_byte = target_big_endian ? 1 : 0;
+ int max_index = 4;
+
nbuf[0] = 0;
nbuf[1] = 0;
nbuf[2] = 0;
nbuf[3] = 0;
+ nbuf[4] = 0;
+ nbuf[5] = 0;
+ nbuf[6] = 0;
+ nbuf[7] = 0;
- for (index = 0; index < 4; index++)
+ if (SH_MERGE_ARCH_SET (opcode->arch, arch_op32))
+ {
+ output = frag_more (4);
+ size = 4;
+ max_index = 8;
+ }
+ else
+ output = frag_more (2);
+
+ for (index = 0; index < max_index; index++)
{
sh_nibble_type i = opcode->nibbles[index];
if (i < 16)
switch (i)
{
case REG_N:
+ case REG_N_D:
nbuf[index] = reg_n;
break;
case REG_M:
case REG_B:
nbuf[index] = reg_b | 0x08;
break;
+ case REG_N_B01:
+ nbuf[index] = reg_n | 0x01;
+ break;
+ case IMM0_3s:
+ nbuf[index] |= 0x08;
+ case IMM0_3c:
+ insert (output + low_byte, BFD_RELOC_SH_IMM3, 0, operand);
+ break;
+ case IMM0_3Us:
+ nbuf[index] |= 0x80;
+ case IMM0_3Uc:
+ insert (output + low_byte, BFD_RELOC_SH_IMM3U, 0, operand);
+ break;
+ case DISP0_12:
+ insert (output + 2, BFD_RELOC_SH_DISP12, 0, operand);
+ break;
+ case DISP0_12BY2:
+ insert (output + 2, BFD_RELOC_SH_DISP12BY2, 0, operand);
+ break;
+ case DISP0_12BY4:
+ insert (output + 2, BFD_RELOC_SH_DISP12BY4, 0, operand);
+ break;
+ case DISP0_12BY8:
+ insert (output + 2, BFD_RELOC_SH_DISP12BY8, 0, operand);
+ break;
+ case DISP1_12:
+ insert (output + 2, BFD_RELOC_SH_DISP12, 0, operand+1);
+ break;
+ case DISP1_12BY2:
+ insert (output + 2, BFD_RELOC_SH_DISP12BY2, 0, operand+1);
+ break;
+ case DISP1_12BY4:
+ insert (output + 2, BFD_RELOC_SH_DISP12BY4, 0, operand+1);
+ break;
+ case DISP1_12BY8:
+ insert (output + 2, BFD_RELOC_SH_DISP12BY8, 0, operand+1);
+ break;
+ case IMM0_20_4:
+ break;
+ case IMM0_20:
+ insert4 (output, BFD_RELOC_SH_DISP20, 0, operand);
+ break;
+ case IMM0_20BY8:
+ insert4 (output, BFD_RELOC_SH_DISP20BY8, 0, operand);
+ break;
case IMM0_4BY4:
insert (output + low_byte, BFD_RELOC_SH_IMM4BY4, 0, operand);
break;
output[0] = (nbuf[0] << 4) | (nbuf[1]);
output[1] = (nbuf[2] << 4) | (nbuf[3]);
}
+ if (SH_MERGE_ARCH_SET (opcode->arch, arch_op32))
+ {
+ if (!target_big_endian)
+ {
+ output[3] = (nbuf[4] << 4) | (nbuf[5]);
+ output[2] = (nbuf[6] << 4) | (nbuf[7]);
+ }
+ else
+ {
+ output[2] = (nbuf[4] << 4) | (nbuf[5]);
+ output[3] = (nbuf[6] << 4) | (nbuf[7]);
+ }
+ }
return size;
}
The pre-processor will eliminate whitespace in front of
any '@' after the first argument; we may be called from
assemble_ppi, so the opcode might be terminated by an '@'. */
- for (op_start = op_end = (unsigned char *) (str);
+ for (op_start = op_end = (unsigned char *) str;
*op_end
&& nlen < 20
&& !is_end_of_line[*op_end] && *op_end != ' ' && *op_end != '@';
}
name[nlen] = 0;
- *str_p = op_end;
+ *str_p = (char *) op_end;
if (nlen == 0)
as_bad (_("can't find opcode "));
field_b -= 0x8100;
/* pclr Dz pmuls Se,Sf,Dg */
else if ((field_b & 0xff00) == 0x8d00
- && (valid_arch & arch_sh4al_dsp_up))
+ && (SH_MERGE_ARCH_SET_VALID (valid_arch, arch_sh4al_dsp_up)))
{
- valid_arch &= arch_sh4al_dsp_up;
+ valid_arch = SH_MERGE_ARCH_SET (valid_arch, arch_sh4al_dsp_up);
field_b -= 0x8cf0;
}
else
void
md_assemble (char *str)
{
- unsigned char *op_end;
+ char *op_end;
sh_operand_info operand[3];
sh_opcode_info *opcode;
unsigned int size = 0;
+ char *initial_str = str;
#ifdef HAVE_SH64
if (sh64_isa_mode == sh64_isa_shmedia)
if (opcode == NULL)
{
- as_bad (_("unknown opcode"));
+ /* The opcode is not in the hash table.
+ This means we definately have an assembly failure,
+ but the instruction may be valid in another CPU variant.
+ In this case emit something better than 'unknown opcode'.
+ Search the full table in sh-opc.h to check. */
+
+ char *name = initial_str;
+ int name_length = 0;
+ const sh_opcode_info *op;
+ int found = 0;
+
+ /* identify opcode in string */
+ while (ISSPACE (*name))
+ {
+ name++;
+ }
+ while (!ISSPACE (name[name_length]))
+ {
+ name_length++;
+ }
+
+ /* search for opcode in full list */
+ for (op = sh_table; op->name; op++)
+ {
+ if (strncasecmp (op->name, name, name_length) == 0
+ && op->name[name_length] == '\0')
+ {
+ found = 1;
+ break;
+ }
+ }
+
+ if ( found )
+ {
+ as_bad (_("opcode not valid for this cpu variant"));
+ }
+ else
+ {
+ as_bad (_("unknown opcode"));
+ }
return;
}
{
/* Since we skip get_specific here, we have to check & update
valid_arch now. */
- if (valid_arch & opcode->arch)
- valid_arch &= opcode->arch;
+ if (SH_MERGE_ARCH_SET_VALID (valid_arch, opcode->arch))
+ valid_arch = SH_MERGE_ARCH_SET (valid_arch, opcode->arch);
else
as_bad (_("Delayed branches not available on SH1"));
parse_exp (op_end + 1, &operand[0]);
}
}
-#ifdef BFD_ASSEMBLER
dwarf2_emit_insn (size);
-#endif
}
/* This routine is called each time a label definition is seen. It
emits a BFD_RELOC_SH_LABEL reloc if necessary. */
void
-sh_frob_label (void)
+sh_frob_label (symbolS *sym)
{
static fragS *last_label_frag;
static int last_label_offset;
last_label_offset = offset;
}
}
+
+ dwarf2_emit_label (sym);
}
/* This routine is called when the assembler is about to output some
return 0;
}
-#ifdef OBJ_COFF
-#ifndef BFD_ASSEMBLER
-
-void
-tc_crawl_symbol_chain (object_headers *headers ATTRIBUTE_UNUSED)
-{
- printf (_("call to tc_crawl_symbol_chain \n"));
-}
-
-void
-tc_headers_hook (object_headers *headers ATTRIBUTE_UNUSED)
-{
- printf (_("call to tc_headers_hook \n"));
-}
-
-#endif
-#endif
-
/* Various routines to kill one day. */
/* Equal to MAX_PRECISION in atof-ieee.c. */
#define MAX_LITTLENUMS 6
demand_empty_rest_of_line ();
}
\f
+enum options
+{
+ OPTION_RELAX = OPTION_MD_BASE,
+ OPTION_BIG,
+ OPTION_LITTLE,
+ OPTION_SMALL,
+ OPTION_DSP,
+ OPTION_ISA,
+ OPTION_RENESAS,
+ OPTION_ALLOW_REG_PREFIX,
+#ifdef HAVE_SH64
+ OPTION_ABI,
+ OPTION_NO_MIX,
+ OPTION_SHCOMPACT_CONST_CRANGE,
+ OPTION_NO_EXPAND,
+ OPTION_PT32,
+#endif
+ OPTION_DUMMY /* Not used. This is just here to make it easy to add and subtract options from this enum. */
+};
+
const char *md_shortopts = "";
struct option md_longopts[] =
{
-#define OPTION_RELAX (OPTION_MD_BASE)
-#define OPTION_BIG (OPTION_MD_BASE + 1)
-#define OPTION_LITTLE (OPTION_BIG + 1)
-#define OPTION_SMALL (OPTION_LITTLE + 1)
-#define OPTION_DSP (OPTION_SMALL + 1)
-#define OPTION_ISA (OPTION_DSP + 1)
-
{"relax", no_argument, NULL, OPTION_RELAX},
{"big", no_argument, NULL, OPTION_BIG},
{"little", no_argument, NULL, OPTION_LITTLE},
{"small", no_argument, NULL, OPTION_SMALL},
{"dsp", no_argument, NULL, OPTION_DSP},
- {"isa", required_argument, NULL, OPTION_ISA},
+ {"isa", required_argument, NULL, OPTION_ISA},
+ {"renesas", no_argument, NULL, OPTION_RENESAS},
+ {"allow-reg-prefix", no_argument, NULL, OPTION_ALLOW_REG_PREFIX},
+
#ifdef HAVE_SH64
-#define OPTION_ABI (OPTION_ISA + 1)
-#define OPTION_NO_MIX (OPTION_ABI + 1)
-#define OPTION_SHCOMPACT_CONST_CRANGE (OPTION_NO_MIX + 1)
-#define OPTION_NO_EXPAND (OPTION_SHCOMPACT_CONST_CRANGE + 1)
-#define OPTION_PT32 (OPTION_NO_EXPAND + 1)
{"abi", required_argument, NULL, OPTION_ABI},
{"no-mix", no_argument, NULL, OPTION_NO_MIX},
{"shcompact-const-crange", no_argument, NULL, OPTION_SHCOMPACT_CONST_CRANGE},
break;
case OPTION_DSP:
- preset_target_arch = arch_sh1_up & ~arch_sh2e_up;
+ preset_target_arch = arch_sh_up & ~(arch_sh_sp_fpu|arch_sh_dp_fpu);
+ break;
+
+ case OPTION_RENESAS:
+ dont_adjust_reloc_32 = 1;
+ break;
+
+ case OPTION_ALLOW_REG_PREFIX:
+ allow_dollar_register_prefix = 1;
break;
case OPTION_ISA:
- if (strcasecmp (arg, "sh4") == 0)
- preset_target_arch = arch_sh4;
- else if (strcasecmp (arg, "sh4a") == 0)
- preset_target_arch = arch_sh4a;
- else if (strcasecmp (arg, "dsp") == 0)
- preset_target_arch = arch_sh1_up & ~arch_sh2e_up;
+ if (strcasecmp (arg, "dsp") == 0)
+ preset_target_arch = arch_sh_up & ~(arch_sh_sp_fpu|arch_sh_dp_fpu);
else if (strcasecmp (arg, "fp") == 0)
- preset_target_arch = arch_sh2e_up;
+ preset_target_arch = arch_sh_up & ~arch_sh_has_dsp;
else if (strcasecmp (arg, "any") == 0)
- preset_target_arch = arch_sh1_up;
+ preset_target_arch = arch_sh_up;
#ifdef HAVE_SH64
else if (strcasecmp (arg, "shmedia") == 0)
{
}
#endif /* HAVE_SH64 */
else
- as_bad ("Invalid argument to --isa option: %s", arg);
+ {
+ extern const bfd_arch_info_type bfd_sh_arch;
+ bfd_arch_info_type const *bfd_arch = &bfd_sh_arch;
+
+ preset_target_arch = 0;
+ for (; bfd_arch; bfd_arch=bfd_arch->next)
+ {
+ int len = strlen(bfd_arch->printable_name);
+
+ if (bfd_arch->mach == bfd_mach_sh5)
+ continue;
+
+ if (strncasecmp (bfd_arch->printable_name, arg, len) != 0)
+ continue;
+
+ if (arg[len] == '\0')
+ preset_target_arch =
+ sh_get_arch_from_bfd_mach (bfd_arch->mach);
+ else if (strcasecmp(&arg[len], "-up") == 0)
+ preset_target_arch =
+ sh_get_arch_up_from_bfd_mach (bfd_arch->mach);
+ else
+ continue;
+ break;
+ }
+
+ if (!preset_target_arch)
+ as_bad ("Invalid argument to --isa option: %s", arg);
+ }
break;
#ifdef HAVE_SH64
{
fprintf (stream, _("\
SH options:\n\
--little generate little endian code\n\
--big generate big endian code\n\
--relax alter jump instructions for long displacements\n\
--small align sections to 4 byte boundaries, not 16\n\
--dsp enable sh-dsp insns, and disable floating-point ISAs.\n"));
- fprintf (stream, _("\
--isa=[sh4\n\
- | sh4a\n\
- | dsp same as '-dsp'\n\
- | fp\n"
+--little generate little endian code\n\
+--big generate big endian code\n\
+--relax alter jump instructions for long displacements\n\
+--renesas disable optimization with section symbol for\n\
+ compatibility with Renesas assembler.\n\
+--small align sections to 4 byte boundaries, not 16\n\
+--dsp enable sh-dsp insns, and disable floating-point ISAs.\n\
+--allow-reg-prefix allow '$' as a register name prefix.\n\
+--isa=[any use most appropriate isa\n\
+ | dsp same as '-dsp'\n\
+ | fp"));
+ {
+ extern const bfd_arch_info_type bfd_sh_arch;
+ bfd_arch_info_type const *bfd_arch = &bfd_sh_arch;
+
+ for (; bfd_arch; bfd_arch=bfd_arch->next)
+ if (bfd_arch->mach != bfd_mach_sh5)
+ {
+ fprintf (stream, "\n | %s", bfd_arch->printable_name);
+ fprintf (stream, "\n | %s-up", bfd_arch->printable_name);
+ }
+ }
+ fprintf (stream, "]\n");
#ifdef HAVE_SH64
-"\
- | shmedia set default instruction set for SH64\n\
+ fprintf (stream, _("\
+--isa=[shmedia set as the default instruction set for SH64\n\
| SHmedia\n\
| shcompact\n\
- | SHcompact\n"
-#endif
-"\
- | any]\n"));
-#ifdef HAVE_SH64
+ | SHcompact]\n"));
fprintf (stream, _("\
--abi=[32|64] set size of expanded SHmedia operands and object\n\
+--abi=[32|64] set size of expanded SHmedia operands and object\n\
file type\n\
--shcompact-const-crange emit code-range descriptors for constants in\n\
+--shcompact-const-crange emit code-range descriptors for constants in\n\
SHcompact code sections\n\
--no-mix disallow SHmedia code in the same section as\n\
+--no-mix disallow SHmedia code in the same section as\n\
constants and SHcompact code\n\
--no-expand do not expand MOVI, PT, PTA or PTB instructions\n\
--expand-pt32 with -abi=64, expand PT, PTA and PTB instructions\n\
- to 32 bits only"));
+--no-expand do not expand MOVI, PT, PTA or PTB instructions\n\
+--expand-pt32 with -abi=64, expand PT, PTA and PTB instructions\n\
+ to 32 bits only\n"));
#endif /* HAVE_SH64 */
}
\f
};
/* Count the number of fixups in a section which refer to a particular
- symbol. When using BFD_ASSEMBLER, this is called via
- bfd_map_over_sections. */
+ symbol. This is called via bfd_map_over_sections. */
static void
sh_count_relocs (bfd *abfd ATTRIBUTE_UNUSED, segT sec, void *data)
}
}
-/* Handle the count relocs for a particular section. When using
- BFD_ASSEMBLER, this is called via bfd_map_over_sections. */
+/* Handle the count relocs for a particular section.
+ This is called via bfd_map_over_sections. */
static void
sh_frob_section (bfd *abfd ATTRIBUTE_UNUSED, segT sec,
|| fix->fx_subsy != NULL
|| fix->fx_addnumber != 0
|| S_GET_SEGMENT (sym) != sec
-#if ! defined (BFD_ASSEMBLER) && defined (OBJ_COFF)
- || S_GET_STORAGE_CLASS (sym) == C_EXT
-#endif
|| S_IS_EXTERNAL (sym))
{
as_warn_where (fix->fx_file, fix->fx_line,
|| fscan->fx_subsy != NULL
|| fscan->fx_addnumber != 0
|| S_GET_SEGMENT (sym) != sec
-#if ! defined (BFD_ASSEMBLER) && defined (OBJ_COFF)
- || S_GET_STORAGE_CLASS (sym) == C_EXT
-#endif
|| S_IS_EXTERNAL (sym))
{
as_warn_where (fix->fx_file, fix->fx_line,
counting the number of times we find a reference to sym. */
info.sym = sym;
info.count = 0;
-#ifdef BFD_ASSEMBLER
bfd_map_over_sections (stdoutput, sh_count_relocs, &info);
-#else
- {
- int iscan;
-
- for (iscan = SEG_E0; iscan < SEG_UNKNOWN; iscan++)
- sh_count_relocs ((bfd *) NULL, iscan, &info);
- }
-#endif
if (info.count < 1)
abort ();
if (! sh_relax)
return;
-#ifdef BFD_ASSEMBLER
bfd_map_over_sections (stdoutput, sh_frob_section, NULL);
-#else
- {
- int iseg;
-
- for (iseg = SEG_E0; iseg < SEG_UNKNOWN; iseg++)
- sh_frob_section ((bfd *) NULL, iseg, NULL);
- }
-#endif
}
/* Called after relaxing. Set the correct sizes of the fragments, and
- create relocs so that md_apply_fix3 will fill in the correct values. */
+ create relocs so that md_apply_fix will fill in the correct values. */
void
-#ifdef BFD_ASSEMBLER
md_convert_frag (bfd *headers ATTRIBUTE_UNUSED, segT seg, fragS *fragP)
-#else
-md_convert_frag (object_headers *headers ATTRIBUTE_UNUSED, segT seg,
- fragS *fragP)
-#endif
{
int donerelax = 0;
/* Build a relocation to six / four bytes farther on. */
subseg_change (seg, 0);
- fix_new (fragP, fragP->fr_fix, 2,
-#ifdef BFD_ASSEMBLER
- section_symbol (seg),
-#else
- seg_info (seg)->dot,
-#endif
+ fix_new (fragP, fragP->fr_fix, 2, section_symbol (seg),
fragP->fr_address + fragP->fr_fix + (delay ? 4 : 6),
1, BFD_RELOC_SH_PCDISP8BY2);
valueT
md_section_align (segT seg ATTRIBUTE_UNUSED, valueT size)
{
-#ifdef BFD_ASSEMBLER
#ifdef OBJ_ELF
return size;
#else /* ! OBJ_ELF */
return ((size + (1 << bfd_get_section_alignment (stdoutput, seg)) - 1)
& (-1 << bfd_get_section_alignment (stdoutput, seg)));
#endif /* ! OBJ_ELF */
-#else /* ! BFD_ASSEMBLER */
- return ((size + (1 << section_alignment[(int) seg]) - 1)
- & (-1 << section_alignment[(int) seg]));
-#endif /* ! BFD_ASSEMBLER */
}
/* This static variable is set by s_uacons to tell sh_cons_align that
if (fixP->fx_r_type == BFD_RELOC_32_PLT_PCREL
|| fixP->fx_r_type == BFD_RELOC_32_GOT_PCREL
|| fixP->fx_r_type == BFD_RELOC_SH_GOTPC
+ || ((fixP->fx_r_type == BFD_RELOC_32) && dont_adjust_reloc_32)
|| fixP->fx_r_type == BFD_RELOC_RVA)
return 0;
if (sh64_isa_mode != sh64_isa_unspecified)
val = EF_SH5;
else
+#elif defined TARGET_SYMBIAN
+ if (1)
+ {
+ extern int sh_symbian_find_elf_flags (unsigned int);
+
+ val = sh_symbian_find_elf_flags (valid_arch);
+ }
+ else
#endif /* HAVE_SH64 */
- if (valid_arch & arch_sh1)
- val = EF_SH1;
- else if (valid_arch & arch_sh2)
- val = EF_SH2;
- else if (valid_arch & arch_sh2e)
- val = EF_SH2E;
- else if (valid_arch & arch_sh_dsp)
- val = EF_SH_DSP;
- else if (valid_arch & arch_sh3)
- val = EF_SH3;
- else if (valid_arch & arch_sh3_dsp)
- val = EF_SH3_DSP;
- else if (valid_arch & arch_sh3e)
- val = EF_SH3E;
- else if (valid_arch & arch_sh4_nofpu)
- val = EF_SH4_NOFPU;
- else if (valid_arch & arch_sh4)
- val = EF_SH4;
- else if (valid_arch & arch_sh4a_nofpu)
- val = EF_SH4A_NOFPU;
- else if (valid_arch & arch_sh4a)
- val = EF_SH4A;
- else if (valid_arch & arch_sh4al_dsp)
- val = EF_SH4AL_DSP;
- else
- abort ();
+ val = sh_find_elf_flags (valid_arch);
elf_elfheader (stdoutput)->e_flags &= ~EF_SH_MACH_MASK;
elf_elfheader (stdoutput)->e_flags |= val;
/* Apply a fixup to the object file. */
void
-md_apply_fix3 (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
+md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
{
char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
int lowbyte = target_big_endian ? 1 : 0;
long max, min;
int shift;
-#ifdef BFD_ASSEMBLER
/* A difference between two symbols, the second of which is in the
current section, is transformed in a PC-relative relocation to
the other symbol. We have to adjust the relocation type here. */
&& fixP->fx_addsy != NULL
&& S_IS_WEAK (fixP->fx_addsy))
val -= S_GET_VALUE (fixP->fx_addsy);
-#endif
-#ifdef BFD_ASSEMBLER
if (SWITCH_TABLE (fixP))
val -= S_GET_VALUE (fixP->fx_subsy);
-#else
- if (fixP->fx_r_type == 0)
- {
- if (fixP->fx_size == 2)
- fixP->fx_r_type = BFD_RELOC_16;
- else if (fixP->fx_size == 4)
- fixP->fx_r_type = BFD_RELOC_32;
- else if (fixP->fx_size == 1)
- fixP->fx_r_type = BFD_RELOC_8;
- else
- abort ();
- }
-#endif
max = min = 0;
shift = 0;
switch (fixP->fx_r_type)
{
+ case BFD_RELOC_SH_IMM3:
+ max = 0x7;
+ * buf = (* buf & 0xf8) | (val & 0x7);
+ break;
+ case BFD_RELOC_SH_IMM3U:
+ max = 0x7;
+ * buf = (* buf & 0x8f) | ((val & 0x7) << 4);
+ break;
+ case BFD_RELOC_SH_DISP12:
+ max = 0xfff;
+ buf[lowbyte] = val & 0xff;
+ buf[highbyte] |= (val >> 8) & 0x0f;
+ break;
+ case BFD_RELOC_SH_DISP12BY2:
+ max = 0xfff;
+ shift = 1;
+ buf[lowbyte] = (val >> 1) & 0xff;
+ buf[highbyte] |= (val >> 9) & 0x0f;
+ break;
+ case BFD_RELOC_SH_DISP12BY4:
+ max = 0xfff;
+ shift = 2;
+ buf[lowbyte] = (val >> 2) & 0xff;
+ buf[highbyte] |= (val >> 10) & 0x0f;
+ break;
+ case BFD_RELOC_SH_DISP12BY8:
+ max = 0xfff;
+ shift = 3;
+ buf[lowbyte] = (val >> 3) & 0xff;
+ buf[highbyte] |= (val >> 11) & 0x0f;
+ break;
+ case BFD_RELOC_SH_DISP20:
+ if (! target_big_endian)
+ abort();
+ max = 0x7ffff;
+ min = -0x80000;
+ buf[1] = (buf[1] & 0x0f) | ((val >> 12) & 0xf0);
+ buf[2] = (val >> 8) & 0xff;
+ buf[3] = val & 0xff;
+ break;
+ case BFD_RELOC_SH_DISP20BY8:
+ if (!target_big_endian)
+ abort();
+ max = 0x7ffff;
+ min = -0x80000;
+ shift = 8;
+ buf[1] = (buf[1] & 0x0f) | ((val >> 20) & 0xf0);
+ buf[2] = (val >> 16) & 0xff;
+ buf[3] = (val >> 8) & 0xff;
+ break;
+
case BFD_RELOC_SH_IMM4:
max = 0xf;
*buf = (*buf & 0xf0) | (val & 0xf);
break;
case BFD_RELOC_SH_USES:
- /* Pass the value into sh_coff_reloc_mangle. */
+ /* Pass the value into sh_reloc(). */
fixP->fx_addnumber = val;
break;
default:
#ifdef HAVE_SH64
- shmedia_md_apply_fix3 (fixP, valP);
+ shmedia_md_apply_fix (fixP, valP);
return;
#else
abort ();
number_to_chars_bigendian (ptr, use, nbytes);
}
-/* This version is used in obj-coff.c when not using BFD_ASSEMBLER.
- eg for the sh-hms target. */
+/* This version is used in obj-coff.c eg. for the sh-hms target. */
long
md_pcrel_from (fixS *fixP)
return md_pcrel_from (fixP);
}
-#ifdef OBJ_COFF
-
-int
-tc_coff_sizemachdep (fragS *frag)
-{
- return md_relax_table[frag->fr_subtype].rlx_length;
-}
-
-#endif /* OBJ_COFF */
-
-#ifndef BFD_ASSEMBLER
-#ifdef OBJ_COFF
-
-/* Map BFD relocs to SH COFF relocs. */
-
-struct reloc_map
-{
- bfd_reloc_code_real_type bfd_reloc;
- int sh_reloc;
-};
-
-static const struct reloc_map coff_reloc_map[] =
-{
- { BFD_RELOC_32, R_SH_IMM32 },
- { BFD_RELOC_16, R_SH_IMM16 },
- { BFD_RELOC_8, R_SH_IMM8 },
- { BFD_RELOC_SH_PCDISP8BY2, R_SH_PCDISP8BY2 },
- { BFD_RELOC_SH_PCDISP12BY2, R_SH_PCDISP },
- { BFD_RELOC_SH_IMM4, R_SH_IMM4 },
- { BFD_RELOC_SH_IMM4BY2, R_SH_IMM4BY2 },
- { BFD_RELOC_SH_IMM4BY4, R_SH_IMM4BY4 },
- { BFD_RELOC_SH_IMM8, R_SH_IMM8 },
- { BFD_RELOC_SH_IMM8BY2, R_SH_IMM8BY2 },
- { BFD_RELOC_SH_IMM8BY4, R_SH_IMM8BY4 },
- { BFD_RELOC_SH_PCRELIMM8BY2, R_SH_PCRELIMM8BY2 },
- { BFD_RELOC_SH_PCRELIMM8BY4, R_SH_PCRELIMM8BY4 },
- { BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
- { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
- { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
- { BFD_RELOC_SH_USES, R_SH_USES },
- { BFD_RELOC_SH_COUNT, R_SH_COUNT },
- { BFD_RELOC_SH_ALIGN, R_SH_ALIGN },
- { BFD_RELOC_SH_CODE, R_SH_CODE },
- { BFD_RELOC_SH_DATA, R_SH_DATA },
- { BFD_RELOC_SH_LABEL, R_SH_LABEL },
- { BFD_RELOC_UNUSED, 0 }
-};
-
-/* Adjust a reloc for the SH. This is similar to the generic code,
- but does some minor tweaking. */
-
-void
-sh_coff_reloc_mangle (segment_info_type *seg, fixS *fix,
- struct internal_reloc *intr, unsigned int paddr)
-{
- symbolS *symbol_ptr = fix->fx_addsy;
- symbolS *dot;
-
- intr->r_vaddr = paddr + fix->fx_frag->fr_address + fix->fx_where;
-
- if (! SWITCH_TABLE (fix))
- {
- const struct reloc_map *rm;
-
- for (rm = coff_reloc_map; rm->bfd_reloc != BFD_RELOC_UNUSED; rm++)
- if (rm->bfd_reloc == (bfd_reloc_code_real_type) fix->fx_r_type)
- break;
- if (rm->bfd_reloc == BFD_RELOC_UNUSED)
- as_bad_where (fix->fx_file, fix->fx_line,
- _("Can not represent %s relocation in this object file format"),
- bfd_get_reloc_code_name (fix->fx_r_type));
- intr->r_type = rm->sh_reloc;
- intr->r_offset = 0;
- }
- else
- {
- know (sh_relax);
-
- if (fix->fx_r_type == BFD_RELOC_16)
- intr->r_type = R_SH_SWITCH16;
- else if (fix->fx_r_type == BFD_RELOC_8)
- intr->r_type = R_SH_SWITCH8;
- else if (fix->fx_r_type == BFD_RELOC_32)
- intr->r_type = R_SH_SWITCH32;
- else
- abort ();
-
- /* For a switch reloc, we set r_offset to the difference between
- the reloc address and the subtrahend. When the linker is
- doing relaxing, it can use the determine the starting and
- ending points of the switch difference expression. */
- intr->r_offset = intr->r_vaddr - S_GET_VALUE (fix->fx_subsy);
- }
-
- /* PC relative relocs are always against the current section. */
- if (symbol_ptr == NULL)
- {
- switch (fix->fx_r_type)
- {
- case BFD_RELOC_SH_PCRELIMM8BY2:
- case BFD_RELOC_SH_PCRELIMM8BY4:
- case BFD_RELOC_SH_PCDISP8BY2:
- case BFD_RELOC_SH_PCDISP12BY2:
- case BFD_RELOC_SH_USES:
- symbol_ptr = seg->dot;
- break;
- default:
- break;
- }
- }
-
- if (fix->fx_r_type == BFD_RELOC_SH_USES)
- {
- /* We can't store the offset in the object file, since this
- reloc does not take up any space, so we store it in r_offset.
- The fx_addnumber field was set in md_apply_fix3. */
- intr->r_offset = fix->fx_addnumber;
- }
- else if (fix->fx_r_type == BFD_RELOC_SH_COUNT)
- {
- /* We can't store the count in the object file, since this reloc
- does not take up any space, so we store it in r_offset. The
- fx_offset field was set when the fixup was created in
- sh_coff_frob_file. */
- intr->r_offset = fix->fx_offset;
- /* This reloc is always absolute. */
- symbol_ptr = NULL;
- }
- else if (fix->fx_r_type == BFD_RELOC_SH_ALIGN)
- {
- /* Store the alignment in the r_offset field. */
- intr->r_offset = fix->fx_offset;
- /* This reloc is always absolute. */
- symbol_ptr = NULL;
- }
- else if (fix->fx_r_type == BFD_RELOC_SH_CODE
- || fix->fx_r_type == BFD_RELOC_SH_DATA
- || fix->fx_r_type == BFD_RELOC_SH_LABEL)
- {
- /* These relocs are always absolute. */
- symbol_ptr = NULL;
- }
-
- /* Turn the segment of the symbol into an offset. */
- if (symbol_ptr != NULL)
- {
- dot = segment_info[S_GET_SEGMENT (symbol_ptr)].dot;
- if (dot != NULL)
- intr->r_symndx = dot->sy_number;
- else
- intr->r_symndx = symbol_ptr->sy_number;
- }
- else
- intr->r_symndx = -1;
-}
-
-#endif /* OBJ_COFF */
-#endif /* ! BFD_ASSEMBLER */
-
-#ifdef BFD_ASSEMBLER
-
/* Create a reloc. */
arelent *
rel->addend = 0;
rel->howto = bfd_reloc_type_lookup (stdoutput, r_type);
-#ifdef OBJ_ELF
- if (rel->howto->type == R_SH_IND12W)
- rel->addend += fixp->fx_offset - 4;
-#endif
+
if (rel->howto == NULL)
{
as_bad_where (fixp->fx_file, fixp->fx_line,
rel->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_32);
assert (rel->howto != NULL);
}
+#ifdef OBJ_ELF
+ else if (rel->howto->type == R_SH_IND12W)
+ rel->addend += fixp->fx_offset - 4;
+#endif
return rel;
}
}
int
-sh_parse_name (char const *name, expressionS *exprP, char *nextcharP)
+sh_parse_name (char const *name,
+ expressionS *exprP,
+ enum expr_mode mode,
+ char *nextcharP)
{
char *next = input_line_pointer;
char *next_end;
exprP->X_add_symbol = GOT_symbol;
no_suffix:
/* If we have an absolute symbol or a reg, then we know its
- value now. */
+ value now. */
segment = S_GET_SEGMENT (exprP->X_add_symbol);
- if (segment == absolute_section)
+ if (mode != expr_defer && segment == absolute_section)
{
exprP->X_op = O_constant;
exprP->X_add_number = S_GET_VALUE (exprP->X_add_symbol);
exprP->X_add_symbol = NULL;
}
- else if (segment == reg_section)
+ else if (mode != expr_defer && segment == reg_section)
{
exprP->X_op = O_register;
exprP->X_add_number = S_GET_VALUE (exprP->X_add_symbol);
return 1;
}
-#endif
-#endif /* BFD_ASSEMBLER */
+
+void
+sh_cfi_frame_initial_instructions (void)
+{
+ cfi_add_CFA_def_cfa (15, 0);
+}
+
+int
+sh_regname_to_dw2regnum (const char *regname)
+{
+ unsigned int regnum = -1;
+ unsigned int i;
+ const char *p;
+ char *q;
+ static struct { char *name; int dw2regnum; } regnames[] =
+ {
+ { "pr", 17 }, { "t", 18 }, { "gbr", 19 }, { "mach", 20 },
+ { "macl", 21 }, { "fpul", 23 }
+ };
+
+ for (i = 0; i < ARRAY_SIZE (regnames); ++i)
+ if (strcmp (regnames[i].name, regname) == 0)
+ return regnames[i].dw2regnum;
+
+ if (regname[0] == 'r')
+ {
+ p = regname + 1;
+ regnum = strtoul (p, &q, 10);
+ if (p == q || *q || regnum >= 16)
+ return -1;
+ }
+ else if (regname[0] == 'f' && regname[1] == 'r')
+ {
+ p = regname + 2;
+ regnum = strtoul (p, &q, 10);
+ if (p == q || *q || regnum >= 16)
+ return -1;
+ regnum += 25;
+ }
+ else if (regname[0] == 'x' && regname[1] == 'd')
+ {
+ p = regname + 2;
+ regnum = strtoul (p, &q, 10);
+ if (p == q || *q || regnum >= 8)
+ return -1;
+ regnum += 87;
+ }
+ return regnum;
+}
+#endif /* OBJ_ELF */
projects / deliverable / binutils-gdb.git / blobdiff