LDI, ADIW/SBIW and LDD/STD instructions.
+2004-12-22 Klaus Rudolph <lts-rudolph@gmx.de>
+
+ * reloc.c: Add new relocs R_AVR_LDI, R_AVR_6, R_AVR_6_ADIW.
+ * bfd-in2.h: Regenerate.
+ * elf32-avr.c (elf_avr_nowto_table): Add the new relocs.
+ (avr_reloc_map): Likewise.
+ (avr_final_link_relocate): Likewise.
+
2004-12-22 Alan Modra <amodra@bigpond.net.au>
* elflink.c (_bfd_elf_merge_symbol): Treat old definitions from
#define bfd_mach_sh_dsp 0x2d
#define bfd_mach_sh2a 0x2a
#define bfd_mach_sh2a_nofpu 0x2b
-#define bfd_mach_sh2a_fake1 0x2a1
-#define bfd_mach_sh2a_fake2 0x2a2
-#define bfd_mach_sh2a_fake3 0x2a3
-#define bfd_mach_sh2a_fake4 0x2a4
+#define bfd_mach_sh2a_nofpu_or_sh4_nommu_nofpu 0x2a1
+#define bfd_mach_sh2a_nofpu_or_sh3_nommu 0x2a2
+#define bfd_mach_sh2a_or_sh4 0x2a3
+#define bfd_mach_sh2a_or_sh3e 0x2a4
#define bfd_mach_sh2e 0x2e
#define bfd_mach_sh3 0x30
#define bfd_mach_sh3_nommu 0x31
into 22 bits. */
BFD_RELOC_AVR_CALL,
+/* This is a 16 bit reloc for the AVR that stores all needed bits
+for absolute addressing with ldi with overflow check to linktime */
+ BFD_RELOC_AVR_LDI,
+
+/* This is a 6 bit reloc for the AVR that stores offset for ldd/std
+instructions */
+ BFD_RELOC_AVR_6,
+
+/* This is a 6 bit reloc for the AVR that stores offset for adiw/sbiw
+instructions */
+ BFD_RELOC_AVR_6_ADIW,
+
/* Direct 12 bit. */
BFD_RELOC_390_12,
Free Software Foundation, Inc.
Contributed by Denis Chertykov <denisc@overta.ru>
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "bfd.h"
#include "sysdep.h"
23, /* bitsize */
FALSE, /* pc_relative */
0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
+ complain_overflow_dont,/* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_AVR_CALL", /* name */
FALSE, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+ /* A 16 bit absolute relocation of 16 bit address.
+ For LDI command. */
+ HOWTO (R_AVR_LDI, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont,/* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_AVR_LDI", /* name */
+ FALSE, /* partial_inplace */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+ /* A 6 bit absolute relocation of 6 bit offset.
+ For ldd/sdd command. */
+ HOWTO (R_AVR_6, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 6, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont,/* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_AVR_6", /* name */
+ FALSE, /* partial_inplace */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+ /* A 6 bit absolute relocation of 6 bit offset.
+ For sbiw/adiw command. */
+ HOWTO (R_AVR_6_ADIW, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 6, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont,/* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_AVR_6_ADIW", /* name */
+ FALSE, /* partial_inplace */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
FALSE) /* pcrel_offset */
};
{ BFD_RELOC_AVR_LO8_LDI_PM_NEG, R_AVR_LO8_LDI_PM_NEG },
{ BFD_RELOC_AVR_HI8_LDI_PM_NEG, R_AVR_HI8_LDI_PM_NEG },
{ BFD_RELOC_AVR_HH8_LDI_PM_NEG, R_AVR_HH8_LDI_PM_NEG },
- { BFD_RELOC_AVR_CALL, R_AVR_CALL }
+ { BFD_RELOC_AVR_CALL, R_AVR_CALL },
+ { BFD_RELOC_AVR_LDI, R_AVR_LDI },
+ { BFD_RELOC_AVR_6, R_AVR_6 },
+ { BFD_RELOC_AVR_6_ADIW, R_AVR_6_ADIW }
};
static reloc_howto_type *
bfd_put_16 (input_bfd, x, contents);
break;
+ case R_AVR_LDI:
+ contents += rel->r_offset;
+ srel = (bfd_signed_vma) relocation + rel->r_addend;
+ if ((srel & 0xffff) > 255)
+ /* Remove offset for data/eeprom section. */
+ return bfd_reloc_overflow;
+ x = bfd_get_16 (input_bfd, contents);
+ x = (x & 0xf0f0) | (srel & 0xf) | ((srel << 4) & 0xf00);
+ bfd_put_16 (input_bfd, x, contents);
+ break;
+
+ case R_AVR_6:
+ contents += rel->r_offset;
+ srel = (bfd_signed_vma) relocation + rel->r_addend;
+ if (((srel & 0xffff) > 63) || (srel < 0))
+ /* Remove offset for data/eeprom section. */
+ return bfd_reloc_overflow;
+ x = bfd_get_16 (input_bfd, contents);
+ x = (x & 0xd3f8) | ((srel & 7) | ((srel & (3 << 3)) << 7) | ((srel & (1 << 5)) << 8));
+ bfd_put_16 (input_bfd, x, contents);
+ break;
+
+ case R_AVR_6_ADIW:
+ contents += rel->r_offset;
+ srel = (bfd_signed_vma) relocation + rel->r_addend;
+ if (((srel & 0xffff) > 63) || (srel < 0))
+ /* Remove offset for data/eeprom section. */
+ return bfd_reloc_overflow;
+ x = bfd_get_16 (input_bfd, contents);
+ x = (x & 0xff30) | (srel & 0xf) | ((srel & 0x30) << 2);
+ bfd_put_16 (input_bfd, x, contents);
+ break;
+
case R_AVR_HI8_LDI:
contents += rel->r_offset;
srel = (bfd_signed_vma) relocation + rel->r_addend;
+2004-12-22 Klaus Rudolph <lts-rudolph@gmx.de>
+
+ * config/tc-avr.c: Add support for the new R_AVR_LDI, R_AVR_6 and
+ R_AVR_6_ADIW relocs for the LDI, ADIW/SBIW and LDD/STD
+ instructions.
+ (avr_offset_expression): New function to parse offsets for LDI
+ instructions.
+ (avr_operand): Use it.
+ (md_apply_fix3): Generate the relocs.
+
2004-12-16 Andrew Stubbs <andrew.stubbs@st.com>
* config/tc-sh64.c (shmedia_md_apply_fix3): Add missing
/* tc-avr.c -- Assembler code for the ATMEL AVR
- Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+ Copyright 1999, 2000, 2001, 2002, 2004 Free Software Foundation, Inc.
Contributed by Denis Chertykov <denisc@overta.ru>
This file is part of GAS, the GNU Assembler.
return bin;
}
+/* Parse for ldd/std offset */
+
+static void
+avr_offset_expression (expressionS *exp)
+{
+ char *str = input_line_pointer;
+ char *tmp;
+ char op[8];
+
+ tmp = str;
+ str = extract_word (str, op, sizeof (op));
+
+ input_line_pointer = tmp;
+ expression (exp);
+
+ /* Warn about expressions that fail to use lo8 (). */
+ if (exp->X_op == O_constant)
+ {
+ int x = exp->X_add_number;
+
+ if (x < -255 || x > 255)
+ as_warn (_("constant out of 8-bit range: %d"), x);
+ }
+}
+
/* Parse one instruction operand.
Return operand bitmask. Also fixups can be generated. */
str = skip_space (str);
if (*str++ == '+')
{
- unsigned int x;
- x = avr_get_constant (str, 63);
+ input_line_pointer = str;
+ avr_offset_expression (& op_expr);
str = input_line_pointer;
- op_mask |= (x & 7) | ((x & (3 << 3)) << 7) | ((x & (1 << 5)) << 8);
+ fix_new_exp (frag_now, where, 3,
+ &op_expr, FALSE, BFD_RELOC_AVR_6);
}
}
break;
break;
case 'K':
- {
- unsigned int x;
-
- x = avr_get_constant (str, 63);
- str = input_line_pointer;
- op_mask |= (x & 0xf) | ((x & 0x30) << 2);
- }
+ input_line_pointer = str;
+ avr_offset_expression (& op_expr);
+ str = input_line_pointer;
+ fix_new_exp (frag_now, where, 3,
+ & op_expr, FALSE, BFD_RELOC_AVR_6_ADIW);
break;
case 'S':
bfd_putl16 ((bfd_vma) (value >> 1), where);
break;
+ case BFD_RELOC_AVR_LDI:
+ if (value > 255)
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("operand out of range: %ld"), value);
+ bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (value), where);
+ break;
+
+ case BFD_RELOC_AVR_6:
+ if ((value > 63) || (value < 0))
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("operand out of range: %ld"), value);
+ bfd_putl16 ((bfd_vma) insn | ((value & 7) | ((value & (3 << 3)) << 7) | ((value & (1 << 5)) << 8)), where);
+ break;
+
+ case BFD_RELOC_AVR_6_ADIW:
+ if ((value > 63) || (value < 0))
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("operand out of range: %ld"), value);
+ bfd_putl16 ((bfd_vma) insn | (value & 0xf) | ((value & 0x30) << 2), where);
+ break;
+
case BFD_RELOC_AVR_LO8_LDI:
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (value), where);
break;
if (x < -255 || x > 255)
as_warn (_("constant out of 8-bit range: %d"), x);
}
- else
- as_warn (_("expression possibly out of 8-bit range"));
- return BFD_RELOC_AVR_LO8_LDI;
+ return BFD_RELOC_AVR_LDI;
}
/* Flag to pass `pm' mode between `avr_parse_cons_expression' and
+2004-12-22 Klaus Rudolph <lts-rudolph@gmx.de>
+
+ * include/elf/avr.h (R_AVR_LDI, R_AVR_6, R_AVR_6_ADIW): New
+ relocs.
+
2004-12-16 Richard Sandiford <rsandifo@redhat.com>
* v850.h (R_V850_LO16_SPLIT_OFFSET): New reloc.
/* AVR ELF support for BFD.
- Copyright 1999, 2000 Free Software Foundation, Inc.
+ Copyright 1999, 2000, 2004 Free Software Foundation, Inc.
Contributed by Denis Chertykov <denisc@overta.ru>
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software Foundation, Inc.,
-59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef _ELF_AVR_H
#define _ELF_AVR_H
RELOC_NUMBER (R_AVR_HI8_LDI_PM_NEG, 16)
RELOC_NUMBER (R_AVR_HH8_LDI_PM_NEG, 17)
RELOC_NUMBER (R_AVR_CALL, 18)
+ RELOC_NUMBER (R_AVR_LDI, 19)
+ RELOC_NUMBER (R_AVR_6, 20)
+ RELOC_NUMBER (R_AVR_6_ADIW, 21)
END_RELOC_NUMBERS (R_AVR_max)
#endif /* _ELF_AVR_H */
projects / external / binutils.git / commitdiff