/* tc-avr.c -- Assembler code for the ATMEL AVR
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/* tc-avr.c -- Assembler code for the ATMEL AVR
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Copyright 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007, 2008
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Copyright 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007, 2008
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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Contributed by Denis Chertykov <denisc@overta.ru>
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Contributed by Denis Chertykov <denisc@overta.ru>
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This file is part of GAS, the GNU Assembler.
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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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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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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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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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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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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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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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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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the Free Software Foundation, 51 Franklin Street - Fifth Floor,
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Boston, MA 02110-1301, USA. */
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Boston, MA 02110-1301, USA. */
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#include "as.h"
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#include "as.h"
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#include "safe-ctype.h"
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#include "safe-ctype.h"
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#include "subsegs.h"
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#include "subsegs.h"
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struct avr_opcodes_s
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struct avr_opcodes_s
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{
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{
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char * name;
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char * name;
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char * constraints;
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char * constraints;
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int insn_size; /* In words. */
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int insn_size; /* In words. */
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int isa;
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int isa;
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unsigned int bin_opcode;
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unsigned int bin_opcode;
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};
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};
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#define AVR_INSN(NAME, CONSTR, OPCODE, SIZE, ISA, BIN) \
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#define AVR_INSN(NAME, CONSTR, OPCODE, SIZE, ISA, BIN) \
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{#NAME, CONSTR, SIZE, ISA, BIN},
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{#NAME, CONSTR, SIZE, ISA, BIN},
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struct avr_opcodes_s avr_opcodes[] =
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struct avr_opcodes_s avr_opcodes[] =
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{
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{
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#include "opcode/avr.h"
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#include "opcode/avr.h"
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{NULL, NULL, 0, 0, 0}
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{NULL, NULL, 0, 0, 0}
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};
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};
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const char comment_chars[] = ";";
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const char comment_chars[] = ";";
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const char line_comment_chars[] = "#";
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const char line_comment_chars[] = "#";
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const char line_separator_chars[] = "$";
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const char line_separator_chars[] = "$";
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const char *md_shortopts = "m:";
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const char *md_shortopts = "m:";
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struct mcu_type_s
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struct mcu_type_s
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{
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{
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char *name;
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char *name;
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int isa;
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int isa;
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int mach;
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int mach;
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};
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};
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/* XXX - devices that don't seem to exist (renamed, replaced with larger
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/* XXX - devices that don't seem to exist (renamed, replaced with larger
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ones, or planned but never produced), left here for compatibility.
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ones, or planned but never produced), left here for compatibility.
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TODO: hide them in show_mcu_list output? */
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TODO: hide them in show_mcu_list output? */
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static struct mcu_type_s mcu_types[] =
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static struct mcu_type_s mcu_types[] =
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{
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{
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{"avr1", AVR_ISA_TINY1, bfd_mach_avr1},
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{"avr1", AVR_ISA_TINY1, bfd_mach_avr1},
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{"avr2", AVR_ISA_TINY2, bfd_mach_avr2},
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{"avr2", AVR_ISA_TINY2, bfd_mach_avr2},
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{"avr3", AVR_ISA_AVR3, bfd_mach_avr3},
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{"avr3", AVR_ISA_AVR3, bfd_mach_avr3},
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{"avr4", AVR_ISA_M8, bfd_mach_avr4},
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{"avr4", AVR_ISA_M8, bfd_mach_avr4},
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{"avr5", AVR_ISA_ALL, bfd_mach_avr5},
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{"avr5", AVR_ISA_ALL, bfd_mach_avr5},
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{"avr6", AVR_ISA_ALL, bfd_mach_avr6},
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{"avr6", AVR_ISA_ALL, bfd_mach_avr6},
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{"at90s1200", AVR_ISA_1200, bfd_mach_avr1},
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{"at90s1200", AVR_ISA_1200, bfd_mach_avr1},
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{"attiny11", AVR_ISA_TINY1, bfd_mach_avr1},
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{"attiny11", AVR_ISA_TINY1, bfd_mach_avr1},
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{"attiny12", AVR_ISA_TINY1, bfd_mach_avr1},
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{"attiny12", AVR_ISA_TINY1, bfd_mach_avr1},
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{"attiny15", AVR_ISA_TINY1, bfd_mach_avr1},
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{"attiny15", AVR_ISA_TINY1, bfd_mach_avr1},
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{"attiny28", AVR_ISA_TINY1, bfd_mach_avr1},
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{"attiny28", AVR_ISA_TINY1, bfd_mach_avr1},
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{"at90s2313", AVR_ISA_2xxx, bfd_mach_avr2},
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{"at90s2313", AVR_ISA_2xxx, bfd_mach_avr2},
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{"at90s2323", AVR_ISA_2xxx, bfd_mach_avr2},
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{"at90s2323", AVR_ISA_2xxx, bfd_mach_avr2},
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{"at90s2333", AVR_ISA_2xxx, bfd_mach_avr2}, /* XXX -> 4433 */
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{"at90s2333", AVR_ISA_2xxx, bfd_mach_avr2}, /* XXX -> 4433 */
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{"at90s2343", AVR_ISA_2xxx, bfd_mach_avr2},
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{"at90s2343", AVR_ISA_2xxx, bfd_mach_avr2},
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{"attiny22", AVR_ISA_2xxx, bfd_mach_avr2}, /* XXX -> 2343 */
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{"attiny22", AVR_ISA_2xxx, bfd_mach_avr2}, /* XXX -> 2343 */
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{"attiny26", AVR_ISA_2xxe, bfd_mach_avr2},
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{"attiny26", AVR_ISA_2xxe, bfd_mach_avr2},
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{"at90s4433", AVR_ISA_2xxx, bfd_mach_avr2},
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{"at90s4433", AVR_ISA_2xxx, bfd_mach_avr2},
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{"at90s4414", AVR_ISA_2xxx, bfd_mach_avr2}, /* XXX -> 8515 */
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{"at90s4414", AVR_ISA_2xxx, bfd_mach_avr2}, /* XXX -> 8515 */
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{"at90s4434", AVR_ISA_2xxx, bfd_mach_avr2}, /* XXX -> 8535 */
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{"at90s4434", AVR_ISA_2xxx, bfd_mach_avr2}, /* XXX -> 8535 */
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{"at90s8515", AVR_ISA_2xxx, bfd_mach_avr2},
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{"at90s8515", AVR_ISA_2xxx, bfd_mach_avr2},
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{"at90s8535", AVR_ISA_2xxx, bfd_mach_avr2},
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{"at90s8535", AVR_ISA_2xxx, bfd_mach_avr2},
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{"at90c8534", AVR_ISA_2xxx, bfd_mach_avr2},
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{"at90c8534", AVR_ISA_2xxx, bfd_mach_avr2},
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{"at86rf401", AVR_ISA_RF401, bfd_mach_avr2},
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{"at86rf401", AVR_ISA_RF401, bfd_mach_avr2},
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{"attiny13", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny13", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny2313", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny2313", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny261", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny261", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny461", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny461", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny861", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny861", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny24", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny24", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny44", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny44", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny84", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny84", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny25", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny25", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny45", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny45", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny85", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny85", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny43u", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny43u", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny48", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny48", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny88", AVR_ISA_TINY2, bfd_mach_avr2},
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{"attiny88", AVR_ISA_TINY2, bfd_mach_avr2},
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{"atmega103", AVR_ISA_M103, bfd_mach_avr3},
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{"atmega103", AVR_ISA_M103, bfd_mach_avr3},
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{"at43usb320", AVR_ISA_M103, bfd_mach_avr3},
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{"at43usb320", AVR_ISA_M103, bfd_mach_avr3},
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{"at43usb355", AVR_ISA_M603, bfd_mach_avr3},
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{"at43usb355", AVR_ISA_M603, bfd_mach_avr3},
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{"at76c711", AVR_ISA_M603, bfd_mach_avr3},
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{"at76c711", AVR_ISA_M603, bfd_mach_avr3},
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{"at90usb82", AVR_ISA_USB162, bfd_mach_avr3},
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{"at90usb82", AVR_ISA_USB162, bfd_mach_avr3},
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{"at90usb162", AVR_ISA_USB162, bfd_mach_avr3},
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{"at90usb162", AVR_ISA_USB162, bfd_mach_avr3},
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{"attiny167", AVR_ISA_TINY3, bfd_mach_avr3},
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{"attiny167", AVR_ISA_TINY3, bfd_mach_avr3},
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{"atmega48", AVR_ISA_PWMx, bfd_mach_avr4},
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{"atmega48", AVR_ISA_PWMx, bfd_mach_avr4},
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{"atmega48p", AVR_ISA_PWMx, bfd_mach_avr4},
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{"atmega48p", AVR_ISA_PWMx, bfd_mach_avr4},
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{"atmega8", AVR_ISA_M8, bfd_mach_avr4},
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{"atmega8", AVR_ISA_M8, bfd_mach_avr4},
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{"atmega88", AVR_ISA_PWMx, bfd_mach_avr4},
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{"atmega88", AVR_ISA_PWMx, bfd_mach_avr4},
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{"atmega88p", AVR_ISA_PWMx, bfd_mach_avr4},
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{"atmega88p", AVR_ISA_PWMx, bfd_mach_avr4},
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{"atmega8515", AVR_ISA_M8, bfd_mach_avr4},
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{"atmega8515", AVR_ISA_M8, bfd_mach_avr4},
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{"atmega8535", AVR_ISA_M8, bfd_mach_avr4},
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{"atmega8535", AVR_ISA_M8, bfd_mach_avr4},
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{"atmega8hva", AVR_ISA_PWMx, bfd_mach_avr4},
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{"atmega8hva", AVR_ISA_PWMx, bfd_mach_avr4},
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{"at90pwm1", AVR_ISA_PWMx, bfd_mach_avr4},
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{"at90pwm1", AVR_ISA_PWMx, bfd_mach_avr4},
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{"at90pwm2", AVR_ISA_PWMx, bfd_mach_avr4},
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{"at90pwm2", AVR_ISA_PWMx, bfd_mach_avr4},
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{"at90pwm2b", AVR_ISA_PWMx, bfd_mach_avr4},
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{"at90pwm2b", AVR_ISA_PWMx, bfd_mach_avr4},
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{"at90pwm3", AVR_ISA_PWMx, bfd_mach_avr4},
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{"at90pwm3", AVR_ISA_PWMx, bfd_mach_avr4},
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{"at90pwm3b", AVR_ISA_PWMx, bfd_mach_avr4},
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{"at90pwm3b", AVR_ISA_PWMx, bfd_mach_avr4},
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{"atmega16", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega16", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega161", AVR_ISA_M161, bfd_mach_avr5},
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{"atmega161", AVR_ISA_M161, bfd_mach_avr5},
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{"atmega162", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega162", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega163", AVR_ISA_M161, bfd_mach_avr5},
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{"atmega163", AVR_ISA_M161, bfd_mach_avr5},
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{"atmega164p", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega164p", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega165", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega165", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega165p", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega165p", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega168", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega168", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega168p", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega168p", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega169", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega169", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega169p", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega169p", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega32", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega32", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega323", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega323", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega324p", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega324p", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega325", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega325", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega325p", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega325p", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega328p", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega328p", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega329", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega329", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega329p", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega329p", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega3250", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega3250", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega3250p",AVR_ISA_M323, bfd_mach_avr5},
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{"atmega3250p",AVR_ISA_M323, bfd_mach_avr5},
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{"atmega3290", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega3290", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega3290p",AVR_ISA_M323, bfd_mach_avr5},
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{"atmega3290p",AVR_ISA_M323, bfd_mach_avr5},
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{"atmega32hvb",AVR_ISA_M323, bfd_mach_avr5},
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{"atmega32hvb",AVR_ISA_M323, bfd_mach_avr5},
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{"atmega406", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega406", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega64", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega64", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega640", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega640", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega644", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega644", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega644p", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega644p", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega128", AVR_ISA_M128, bfd_mach_avr5},
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{"atmega128", AVR_ISA_M128, bfd_mach_avr5},
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{"atmega1280", AVR_ISA_M128, bfd_mach_avr5},
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{"atmega1280", AVR_ISA_M128, bfd_mach_avr5},
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{"atmega1281", AVR_ISA_M128, bfd_mach_avr5},
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{"atmega1281", AVR_ISA_M128, bfd_mach_avr5},
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{"atmega1284p",AVR_ISA_M128, bfd_mach_avr5},
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{"atmega1284p",AVR_ISA_M128, bfd_mach_avr5},
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{"atmega645", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega645", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega649", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega649", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega6450", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega6450", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega6490", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega6490", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega16hva",AVR_ISA_M323, bfd_mach_avr5},
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{"atmega16hva",AVR_ISA_M323, bfd_mach_avr5},
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{"at90can32" , AVR_ISA_M323, bfd_mach_avr5},
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{"at90can32" , AVR_ISA_M323, bfd_mach_avr5},
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{"at90can64" , AVR_ISA_M323, bfd_mach_avr5},
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{"at90can64" , AVR_ISA_M323, bfd_mach_avr5},
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{"at90can128", AVR_ISA_M128, bfd_mach_avr5},
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{"at90can128", AVR_ISA_M128, bfd_mach_avr5},
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{"at90pwm216", AVR_ISA_M323, bfd_mach_avr5},
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{"at90pwm216", AVR_ISA_M323, bfd_mach_avr5},
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{"at90pwm316", AVR_ISA_M323, bfd_mach_avr5},
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{"at90pwm316", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega32c1", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega32c1", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega32m1", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega32m1", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega32u4", AVR_ISA_M323, bfd_mach_avr5},
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{"atmega32u4", AVR_ISA_M323, bfd_mach_avr5},
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{"at90usb646", AVR_ISA_M323, bfd_mach_avr5},
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{"at90usb646", AVR_ISA_M323, bfd_mach_avr5},
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{"at90usb647", AVR_ISA_M323, bfd_mach_avr5},
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{"at90usb647", AVR_ISA_M323, bfd_mach_avr5},
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{"at90usb1286",AVR_ISA_M128, bfd_mach_avr5},
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{"at90usb1286",AVR_ISA_M128, bfd_mach_avr5},
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{"at90usb1287",AVR_ISA_M128, bfd_mach_avr5},
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{"at90usb1287",AVR_ISA_M128, bfd_mach_avr5},
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{"at94k", AVR_ISA_94K, bfd_mach_avr5},
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{"at94k", AVR_ISA_94K, bfd_mach_avr5},
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{"atmega2560", AVR_ISA_ALL, bfd_mach_avr6},
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{"atmega2560", AVR_ISA_ALL, bfd_mach_avr6},
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{"atmega2561", AVR_ISA_ALL, bfd_mach_avr6},
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{"atmega2561", AVR_ISA_ALL, bfd_mach_avr6},
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{NULL, 0, 0}
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{NULL, 0, 0}
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};
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};
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/* Current MCU type. */
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/* Current MCU type. */
|
static struct mcu_type_s default_mcu = {"avr2", AVR_ISA_2xxx,bfd_mach_avr2};
|
static struct mcu_type_s default_mcu = {"avr2", AVR_ISA_2xxx,bfd_mach_avr2};
|
static struct mcu_type_s * avr_mcu = & default_mcu;
|
static struct mcu_type_s * avr_mcu = & default_mcu;
|
|
|
/* AVR target-specific switches. */
|
/* AVR target-specific switches. */
|
struct avr_opt_s
|
struct avr_opt_s
|
{
|
{
|
int all_opcodes; /* -mall-opcodes: accept all known AVR opcodes. */
|
int all_opcodes; /* -mall-opcodes: accept all known AVR opcodes. */
|
int no_skip_bug; /* -mno-skip-bug: no warnings for skipping 2-word insns. */
|
int no_skip_bug; /* -mno-skip-bug: no warnings for skipping 2-word insns. */
|
int no_wrap; /* -mno-wrap: reject rjmp/rcall with 8K wrap-around. */
|
int no_wrap; /* -mno-wrap: reject rjmp/rcall with 8K wrap-around. */
|
};
|
};
|
|
|
static struct avr_opt_s avr_opt = { 0, 0, 0 };
|
static struct avr_opt_s avr_opt = { 0, 0, 0 };
|
|
|
const char EXP_CHARS[] = "eE";
|
const char EXP_CHARS[] = "eE";
|
const char FLT_CHARS[] = "dD";
|
const char FLT_CHARS[] = "dD";
|
|
|
static void avr_set_arch (int);
|
static void avr_set_arch (int);
|
|
|
/* The target specific pseudo-ops which we support. */
|
/* The target specific pseudo-ops which we support. */
|
const pseudo_typeS md_pseudo_table[] =
|
const pseudo_typeS md_pseudo_table[] =
|
{
|
{
|
{"arch", avr_set_arch, 0},
|
{"arch", avr_set_arch, 0},
|
{ NULL, NULL, 0}
|
{ NULL, NULL, 0}
|
};
|
};
|
|
|
#define LDI_IMMEDIATE(x) (((x) & 0xf) | (((x) << 4) & 0xf00))
|
#define LDI_IMMEDIATE(x) (((x) & 0xf) | (((x) << 4) & 0xf00))
|
|
|
#define EXP_MOD_NAME(i) exp_mod[i].name
|
#define EXP_MOD_NAME(i) exp_mod[i].name
|
#define EXP_MOD_RELOC(i) exp_mod[i].reloc
|
#define EXP_MOD_RELOC(i) exp_mod[i].reloc
|
#define EXP_MOD_NEG_RELOC(i) exp_mod[i].neg_reloc
|
#define EXP_MOD_NEG_RELOC(i) exp_mod[i].neg_reloc
|
#define HAVE_PM_P(i) exp_mod[i].have_pm
|
#define HAVE_PM_P(i) exp_mod[i].have_pm
|
|
|
struct exp_mod_s
|
struct exp_mod_s
|
{
|
{
|
char * name;
|
char * name;
|
bfd_reloc_code_real_type reloc;
|
bfd_reloc_code_real_type reloc;
|
bfd_reloc_code_real_type neg_reloc;
|
bfd_reloc_code_real_type neg_reloc;
|
int have_pm;
|
int have_pm;
|
};
|
};
|
|
|
static struct exp_mod_s exp_mod[] =
|
static struct exp_mod_s exp_mod[] =
|
{
|
{
|
{"hh8", BFD_RELOC_AVR_HH8_LDI, BFD_RELOC_AVR_HH8_LDI_NEG, 1},
|
{"hh8", BFD_RELOC_AVR_HH8_LDI, BFD_RELOC_AVR_HH8_LDI_NEG, 1},
|
{"pm_hh8", BFD_RELOC_AVR_HH8_LDI_PM, BFD_RELOC_AVR_HH8_LDI_PM_NEG, 0},
|
{"pm_hh8", BFD_RELOC_AVR_HH8_LDI_PM, BFD_RELOC_AVR_HH8_LDI_PM_NEG, 0},
|
{"hi8", BFD_RELOC_AVR_HI8_LDI, BFD_RELOC_AVR_HI8_LDI_NEG, 1},
|
{"hi8", BFD_RELOC_AVR_HI8_LDI, BFD_RELOC_AVR_HI8_LDI_NEG, 1},
|
{"pm_hi8", BFD_RELOC_AVR_HI8_LDI_PM, BFD_RELOC_AVR_HI8_LDI_PM_NEG, 0},
|
{"pm_hi8", BFD_RELOC_AVR_HI8_LDI_PM, BFD_RELOC_AVR_HI8_LDI_PM_NEG, 0},
|
{"lo8", BFD_RELOC_AVR_LO8_LDI, BFD_RELOC_AVR_LO8_LDI_NEG, 1},
|
{"lo8", BFD_RELOC_AVR_LO8_LDI, BFD_RELOC_AVR_LO8_LDI_NEG, 1},
|
{"pm_lo8", BFD_RELOC_AVR_LO8_LDI_PM, BFD_RELOC_AVR_LO8_LDI_PM_NEG, 0},
|
{"pm_lo8", BFD_RELOC_AVR_LO8_LDI_PM, BFD_RELOC_AVR_LO8_LDI_PM_NEG, 0},
|
{"hlo8", BFD_RELOC_AVR_HH8_LDI, BFD_RELOC_AVR_HH8_LDI_NEG, 0},
|
{"hlo8", BFD_RELOC_AVR_HH8_LDI, BFD_RELOC_AVR_HH8_LDI_NEG, 0},
|
{"hhi8", BFD_RELOC_AVR_MS8_LDI, BFD_RELOC_AVR_MS8_LDI_NEG, 0},
|
{"hhi8", BFD_RELOC_AVR_MS8_LDI, BFD_RELOC_AVR_MS8_LDI_NEG, 0},
|
};
|
};
|
|
|
/* A union used to store indicies into the exp_mod[] array
|
/* A union used to store indicies into the exp_mod[] array
|
in a hash table which expects void * data types. */
|
in a hash table which expects void * data types. */
|
typedef union
|
typedef union
|
{
|
{
|
void * ptr;
|
void * ptr;
|
int index;
|
int index;
|
} mod_index;
|
} mod_index;
|
|
|
/* Opcode hash table. */
|
/* Opcode hash table. */
|
static struct hash_control *avr_hash;
|
static struct hash_control *avr_hash;
|
|
|
/* Reloc modifiers hash control (hh8,hi8,lo8,pm_xx). */
|
/* Reloc modifiers hash control (hh8,hi8,lo8,pm_xx). */
|
static struct hash_control *avr_mod_hash;
|
static struct hash_control *avr_mod_hash;
|
|
|
#define OPTION_MMCU 'm'
|
#define OPTION_MMCU 'm'
|
enum options
|
enum options
|
{
|
{
|
OPTION_ALL_OPCODES = OPTION_MD_BASE + 1,
|
OPTION_ALL_OPCODES = OPTION_MD_BASE + 1,
|
OPTION_NO_SKIP_BUG,
|
OPTION_NO_SKIP_BUG,
|
OPTION_NO_WRAP
|
OPTION_NO_WRAP
|
};
|
};
|
|
|
struct option md_longopts[] =
|
struct option md_longopts[] =
|
{
|
{
|
{ "mmcu", required_argument, NULL, OPTION_MMCU },
|
{ "mmcu", required_argument, NULL, OPTION_MMCU },
|
{ "mall-opcodes", no_argument, NULL, OPTION_ALL_OPCODES },
|
{ "mall-opcodes", no_argument, NULL, OPTION_ALL_OPCODES },
|
{ "mno-skip-bug", no_argument, NULL, OPTION_NO_SKIP_BUG },
|
{ "mno-skip-bug", no_argument, NULL, OPTION_NO_SKIP_BUG },
|
{ "mno-wrap", no_argument, NULL, OPTION_NO_WRAP },
|
{ "mno-wrap", no_argument, NULL, OPTION_NO_WRAP },
|
{ NULL, no_argument, NULL, 0 }
|
{ NULL, no_argument, NULL, 0 }
|
};
|
};
|
|
|
size_t md_longopts_size = sizeof (md_longopts);
|
size_t md_longopts_size = sizeof (md_longopts);
|
|
|
/* Display nicely formatted list of known MCU names. */
|
/* Display nicely formatted list of known MCU names. */
|
|
|
static void
|
static void
|
show_mcu_list (FILE *stream)
|
show_mcu_list (FILE *stream)
|
{
|
{
|
int i, x;
|
int i, x;
|
|
|
fprintf (stream, _("Known MCU names:"));
|
fprintf (stream, _("Known MCU names:"));
|
x = 1000;
|
x = 1000;
|
|
|
for (i = 0; mcu_types[i].name; i++)
|
for (i = 0; mcu_types[i].name; i++)
|
{
|
{
|
int len = strlen (mcu_types[i].name);
|
int len = strlen (mcu_types[i].name);
|
|
|
x += len + 1;
|
x += len + 1;
|
|
|
if (x < 75)
|
if (x < 75)
|
fprintf (stream, " %s", mcu_types[i].name);
|
fprintf (stream, " %s", mcu_types[i].name);
|
else
|
else
|
{
|
{
|
fprintf (stream, "\n %s", mcu_types[i].name);
|
fprintf (stream, "\n %s", mcu_types[i].name);
|
x = len + 2;
|
x = len + 2;
|
}
|
}
|
}
|
}
|
|
|
fprintf (stream, "\n");
|
fprintf (stream, "\n");
|
}
|
}
|
|
|
static inline char *
|
static inline char *
|
skip_space (char *s)
|
skip_space (char *s)
|
{
|
{
|
while (*s == ' ' || *s == '\t')
|
while (*s == ' ' || *s == '\t')
|
++s;
|
++s;
|
return s;
|
return s;
|
}
|
}
|
|
|
/* Extract one word from FROM and copy it to TO. */
|
/* Extract one word from FROM and copy it to TO. */
|
|
|
static char *
|
static char *
|
extract_word (char *from, char *to, int limit)
|
extract_word (char *from, char *to, int limit)
|
{
|
{
|
char *op_start;
|
char *op_start;
|
char *op_end;
|
char *op_end;
|
int size = 0;
|
int size = 0;
|
|
|
/* Drop leading whitespace. */
|
/* Drop leading whitespace. */
|
from = skip_space (from);
|
from = skip_space (from);
|
*to = 0;
|
*to = 0;
|
|
|
/* Find the op code end. */
|
/* Find the op code end. */
|
for (op_start = op_end = from; *op_end != 0 && is_part_of_name (*op_end);)
|
for (op_start = op_end = from; *op_end != 0 && is_part_of_name (*op_end);)
|
{
|
{
|
to[size++] = *op_end++;
|
to[size++] = *op_end++;
|
if (size + 1 >= limit)
|
if (size + 1 >= limit)
|
break;
|
break;
|
}
|
}
|
|
|
to[size] = 0;
|
to[size] = 0;
|
return op_end;
|
return op_end;
|
}
|
}
|
|
|
int
|
int
|
md_estimate_size_before_relax (fragS *fragp ATTRIBUTE_UNUSED,
|
md_estimate_size_before_relax (fragS *fragp ATTRIBUTE_UNUSED,
|
asection *seg ATTRIBUTE_UNUSED)
|
asection *seg ATTRIBUTE_UNUSED)
|
{
|
{
|
abort ();
|
abort ();
|
return 0;
|
return 0;
|
}
|
}
|
|
|
void
|
void
|
md_show_usage (FILE *stream)
|
md_show_usage (FILE *stream)
|
{
|
{
|
fprintf (stream,
|
fprintf (stream,
|
_("AVR options:\n"
|
_("AVR options:\n"
|
" -mmcu=[avr-name] select microcontroller variant\n"
|
" -mmcu=[avr-name] select microcontroller variant\n"
|
" [avr-name] can be:\n"
|
" [avr-name] can be:\n"
|
" avr1 - AT90S1200, ATtiny1x, ATtiny28\n"
|
" avr1 - AT90S1200, ATtiny1x, ATtiny28\n"
|
" avr2 - AT90S2xxx, AT90S4xxx, AT90S8xxx, ATtiny22\n"
|
" avr2 - AT90S2xxx, AT90S4xxx, AT90S8xxx, ATtiny22\n"
|
" avr3 - ATmega103\n"
|
" avr3 - ATmega103\n"
|
" avr4 - ATmega8, ATmega88\n"
|
" avr4 - ATmega8, ATmega88\n"
|
" avr5 - ATmega161, ATmega163, ATmega32, AT94K\n"
|
" avr5 - ATmega161, ATmega163, ATmega32, AT94K\n"
|
" or immediate microcontroller name.\n"));
|
" or immediate microcontroller name.\n"));
|
fprintf (stream,
|
fprintf (stream,
|
_(" -mall-opcodes accept all AVR opcodes, even if not supported by MCU\n"
|
_(" -mall-opcodes accept all AVR opcodes, even if not supported by MCU\n"
|
" -mno-skip-bug disable warnings for skipping two-word instructions\n"
|
" -mno-skip-bug disable warnings for skipping two-word instructions\n"
|
" (default for avr4, avr5)\n"
|
" (default for avr4, avr5)\n"
|
" -mno-wrap reject rjmp/rcall instructions with 8K wrap-around\n"
|
" -mno-wrap reject rjmp/rcall instructions with 8K wrap-around\n"
|
" (default for avr3, avr5)\n"));
|
" (default for avr3, avr5)\n"));
|
show_mcu_list (stream);
|
show_mcu_list (stream);
|
}
|
}
|
|
|
static void
|
static void
|
avr_set_arch (int dummy ATTRIBUTE_UNUSED)
|
avr_set_arch (int dummy ATTRIBUTE_UNUSED)
|
{
|
{
|
char str[20];
|
char str[20];
|
|
|
input_line_pointer = extract_word (input_line_pointer, str, 20);
|
input_line_pointer = extract_word (input_line_pointer, str, 20);
|
md_parse_option (OPTION_MMCU, str);
|
md_parse_option (OPTION_MMCU, str);
|
bfd_set_arch_mach (stdoutput, TARGET_ARCH, avr_mcu->mach);
|
bfd_set_arch_mach (stdoutput, TARGET_ARCH, avr_mcu->mach);
|
}
|
}
|
|
|
int
|
int
|
md_parse_option (int c, char *arg)
|
md_parse_option (int c, char *arg)
|
{
|
{
|
switch (c)
|
switch (c)
|
{
|
{
|
case OPTION_MMCU:
|
case OPTION_MMCU:
|
{
|
{
|
int i;
|
int i;
|
char *s = alloca (strlen (arg) + 1);
|
char *s = alloca (strlen (arg) + 1);
|
|
|
{
|
{
|
char *t = s;
|
char *t = s;
|
char *arg1 = arg;
|
char *arg1 = arg;
|
|
|
do
|
do
|
*t = TOLOWER (*arg1++);
|
*t = TOLOWER (*arg1++);
|
while (*t++);
|
while (*t++);
|
}
|
}
|
|
|
for (i = 0; mcu_types[i].name; ++i)
|
for (i = 0; mcu_types[i].name; ++i)
|
if (strcmp (mcu_types[i].name, s) == 0)
|
if (strcmp (mcu_types[i].name, s) == 0)
|
break;
|
break;
|
|
|
if (!mcu_types[i].name)
|
if (!mcu_types[i].name)
|
{
|
{
|
show_mcu_list (stderr);
|
show_mcu_list (stderr);
|
as_fatal (_("unknown MCU: %s\n"), arg);
|
as_fatal (_("unknown MCU: %s\n"), arg);
|
}
|
}
|
|
|
/* It is OK to redefine mcu type within the same avr[1-5] bfd machine
|
/* It is OK to redefine mcu type within the same avr[1-5] bfd machine
|
type - this for allows passing -mmcu=... via gcc ASM_SPEC as well
|
type - this for allows passing -mmcu=... via gcc ASM_SPEC as well
|
as .arch ... in the asm output at the same time. */
|
as .arch ... in the asm output at the same time. */
|
if (avr_mcu == &default_mcu || avr_mcu->mach == mcu_types[i].mach)
|
if (avr_mcu == &default_mcu || avr_mcu->mach == mcu_types[i].mach)
|
avr_mcu = &mcu_types[i];
|
avr_mcu = &mcu_types[i];
|
else
|
else
|
as_fatal (_("redefinition of mcu type `%s' to `%s'"),
|
as_fatal (_("redefinition of mcu type `%s' to `%s'"),
|
avr_mcu->name, mcu_types[i].name);
|
avr_mcu->name, mcu_types[i].name);
|
return 1;
|
return 1;
|
}
|
}
|
case OPTION_ALL_OPCODES:
|
case OPTION_ALL_OPCODES:
|
avr_opt.all_opcodes = 1;
|
avr_opt.all_opcodes = 1;
|
return 1;
|
return 1;
|
case OPTION_NO_SKIP_BUG:
|
case OPTION_NO_SKIP_BUG:
|
avr_opt.no_skip_bug = 1;
|
avr_opt.no_skip_bug = 1;
|
return 1;
|
return 1;
|
case OPTION_NO_WRAP:
|
case OPTION_NO_WRAP:
|
avr_opt.no_wrap = 1;
|
avr_opt.no_wrap = 1;
|
return 1;
|
return 1;
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
symbolS *
|
symbolS *
|
md_undefined_symbol (char *name ATTRIBUTE_UNUSED)
|
md_undefined_symbol (char *name ATTRIBUTE_UNUSED)
|
{
|
{
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
char *
|
char *
|
md_atof (int type, char *litP, int *sizeP)
|
md_atof (int type, char *litP, int *sizeP)
|
{
|
{
|
return ieee_md_atof (type, litP, sizeP, FALSE);
|
return ieee_md_atof (type, litP, sizeP, FALSE);
|
}
|
}
|
|
|
void
|
void
|
md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED,
|
md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED,
|
asection *sec ATTRIBUTE_UNUSED,
|
asection *sec ATTRIBUTE_UNUSED,
|
fragS *fragP ATTRIBUTE_UNUSED)
|
fragS *fragP ATTRIBUTE_UNUSED)
|
{
|
{
|
abort ();
|
abort ();
|
}
|
}
|
|
|
void
|
void
|
md_begin (void)
|
md_begin (void)
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
struct avr_opcodes_s *opcode;
|
struct avr_opcodes_s *opcode;
|
|
|
avr_hash = hash_new ();
|
avr_hash = hash_new ();
|
|
|
/* Insert unique names into hash table. This hash table then provides a
|
/* Insert unique names into hash table. This hash table then provides a
|
quick index to the first opcode with a particular name in the opcode
|
quick index to the first opcode with a particular name in the opcode
|
table. */
|
table. */
|
for (opcode = avr_opcodes; opcode->name; opcode++)
|
for (opcode = avr_opcodes; opcode->name; opcode++)
|
hash_insert (avr_hash, opcode->name, (char *) opcode);
|
hash_insert (avr_hash, opcode->name, (char *) opcode);
|
|
|
avr_mod_hash = hash_new ();
|
avr_mod_hash = hash_new ();
|
|
|
for (i = 0; i < ARRAY_SIZE (exp_mod); ++i)
|
for (i = 0; i < ARRAY_SIZE (exp_mod); ++i)
|
{
|
{
|
mod_index m;
|
mod_index m;
|
|
|
m.index = i + 10;
|
m.index = i + 10;
|
hash_insert (avr_mod_hash, EXP_MOD_NAME (i), m.ptr);
|
hash_insert (avr_mod_hash, EXP_MOD_NAME (i), m.ptr);
|
}
|
}
|
|
|
bfd_set_arch_mach (stdoutput, TARGET_ARCH, avr_mcu->mach);
|
bfd_set_arch_mach (stdoutput, TARGET_ARCH, avr_mcu->mach);
|
}
|
}
|
|
|
/* Resolve STR as a constant expression and return the result.
|
/* Resolve STR as a constant expression and return the result.
|
If result greater than MAX then error. */
|
If result greater than MAX then error. */
|
|
|
static unsigned int
|
static unsigned int
|
avr_get_constant (char *str, int max)
|
avr_get_constant (char *str, int max)
|
{
|
{
|
expressionS ex;
|
expressionS ex;
|
|
|
str = skip_space (str);
|
str = skip_space (str);
|
input_line_pointer = str;
|
input_line_pointer = str;
|
expression (& ex);
|
expression (& ex);
|
|
|
if (ex.X_op != O_constant)
|
if (ex.X_op != O_constant)
|
as_bad (_("constant value required"));
|
as_bad (_("constant value required"));
|
|
|
if (ex.X_add_number > max || ex.X_add_number < 0)
|
if (ex.X_add_number > max || ex.X_add_number < 0)
|
as_bad (_("number must be positive and less than %d"), max + 1);
|
as_bad (_("number must be positive and less than %d"), max + 1);
|
|
|
return ex.X_add_number;
|
return ex.X_add_number;
|
}
|
}
|
|
|
/* Parse for ldd/std offset. */
|
/* Parse for ldd/std offset. */
|
|
|
static void
|
static void
|
avr_offset_expression (expressionS *exp)
|
avr_offset_expression (expressionS *exp)
|
{
|
{
|
char *str = input_line_pointer;
|
char *str = input_line_pointer;
|
char *tmp;
|
char *tmp;
|
char op[8];
|
char op[8];
|
|
|
tmp = str;
|
tmp = str;
|
str = extract_word (str, op, sizeof (op));
|
str = extract_word (str, op, sizeof (op));
|
|
|
input_line_pointer = tmp;
|
input_line_pointer = tmp;
|
expression (exp);
|
expression (exp);
|
|
|
/* Warn about expressions that fail to use lo8 (). */
|
/* Warn about expressions that fail to use lo8 (). */
|
if (exp->X_op == O_constant)
|
if (exp->X_op == O_constant)
|
{
|
{
|
int x = exp->X_add_number;
|
int x = exp->X_add_number;
|
|
|
if (x < -255 || x > 255)
|
if (x < -255 || x > 255)
|
as_warn (_("constant out of 8-bit range: %d"), x);
|
as_warn (_("constant out of 8-bit range: %d"), x);
|
}
|
}
|
}
|
}
|
|
|
/* Parse ordinary expression. */
|
/* Parse ordinary expression. */
|
|
|
static char *
|
static char *
|
parse_exp (char *s, expressionS *op)
|
parse_exp (char *s, expressionS *op)
|
{
|
{
|
input_line_pointer = s;
|
input_line_pointer = s;
|
expression (op);
|
expression (op);
|
if (op->X_op == O_absent)
|
if (op->X_op == O_absent)
|
as_bad (_("missing operand"));
|
as_bad (_("missing operand"));
|
return input_line_pointer;
|
return input_line_pointer;
|
}
|
}
|
|
|
/* Parse special expressions (needed for LDI command):
|
/* Parse special expressions (needed for LDI command):
|
xx8 (address)
|
xx8 (address)
|
xx8 (-address)
|
xx8 (-address)
|
pm_xx8 (address)
|
pm_xx8 (address)
|
pm_xx8 (-address)
|
pm_xx8 (-address)
|
where xx is: hh, hi, lo. */
|
where xx is: hh, hi, lo. */
|
|
|
static bfd_reloc_code_real_type
|
static bfd_reloc_code_real_type
|
avr_ldi_expression (expressionS *exp)
|
avr_ldi_expression (expressionS *exp)
|
{
|
{
|
char *str = input_line_pointer;
|
char *str = input_line_pointer;
|
char *tmp;
|
char *tmp;
|
char op[8];
|
char op[8];
|
int mod;
|
int mod;
|
int linker_stubs_should_be_generated = 0;
|
int linker_stubs_should_be_generated = 0;
|
|
|
tmp = str;
|
tmp = str;
|
|
|
str = extract_word (str, op, sizeof (op));
|
str = extract_word (str, op, sizeof (op));
|
|
|
if (op[0])
|
if (op[0])
|
{
|
{
|
mod_index m;
|
mod_index m;
|
|
|
m.ptr = hash_find (avr_mod_hash, op);
|
m.ptr = hash_find (avr_mod_hash, op);
|
mod = m.index;
|
mod = m.index;
|
|
|
if (mod)
|
if (mod)
|
{
|
{
|
int closes = 0;
|
int closes = 0;
|
|
|
mod -= 10;
|
mod -= 10;
|
str = skip_space (str);
|
str = skip_space (str);
|
|
|
if (*str == '(')
|
if (*str == '(')
|
{
|
{
|
bfd_reloc_code_real_type reloc_to_return;
|
bfd_reloc_code_real_type reloc_to_return;
|
int neg_p = 0;
|
int neg_p = 0;
|
|
|
++str;
|
++str;
|
|
|
if (strncmp ("pm(", str, 3) == 0
|
if (strncmp ("pm(", str, 3) == 0
|
|| strncmp ("gs(",str,3) == 0
|
|| strncmp ("gs(",str,3) == 0
|
|| strncmp ("-(gs(",str,5) == 0
|
|| strncmp ("-(gs(",str,5) == 0
|
|| strncmp ("-(pm(", str, 5) == 0)
|
|| strncmp ("-(pm(", str, 5) == 0)
|
{
|
{
|
if (HAVE_PM_P (mod))
|
if (HAVE_PM_P (mod))
|
{
|
{
|
++mod;
|
++mod;
|
++closes;
|
++closes;
|
}
|
}
|
else
|
else
|
as_bad (_("illegal expression"));
|
as_bad (_("illegal expression"));
|
|
|
if (str[0] == 'g' || str[2] == 'g')
|
if (str[0] == 'g' || str[2] == 'g')
|
linker_stubs_should_be_generated = 1;
|
linker_stubs_should_be_generated = 1;
|
|
|
if (*str == '-')
|
if (*str == '-')
|
{
|
{
|
neg_p = 1;
|
neg_p = 1;
|
++closes;
|
++closes;
|
str += 5;
|
str += 5;
|
}
|
}
|
else
|
else
|
str += 3;
|
str += 3;
|
}
|
}
|
|
|
if (*str == '-' && *(str + 1) == '(')
|
if (*str == '-' && *(str + 1) == '(')
|
{
|
{
|
neg_p ^= 1;
|
neg_p ^= 1;
|
++closes;
|
++closes;
|
str += 2;
|
str += 2;
|
}
|
}
|
|
|
input_line_pointer = str;
|
input_line_pointer = str;
|
expression (exp);
|
expression (exp);
|
|
|
do
|
do
|
{
|
{
|
if (*input_line_pointer != ')')
|
if (*input_line_pointer != ')')
|
{
|
{
|
as_bad (_("`)' required"));
|
as_bad (_("`)' required"));
|
break;
|
break;
|
}
|
}
|
input_line_pointer++;
|
input_line_pointer++;
|
}
|
}
|
while (closes--);
|
while (closes--);
|
|
|
reloc_to_return =
|
reloc_to_return =
|
neg_p ? EXP_MOD_NEG_RELOC (mod) : EXP_MOD_RELOC (mod);
|
neg_p ? EXP_MOD_NEG_RELOC (mod) : EXP_MOD_RELOC (mod);
|
if (linker_stubs_should_be_generated)
|
if (linker_stubs_should_be_generated)
|
{
|
{
|
switch (reloc_to_return)
|
switch (reloc_to_return)
|
{
|
{
|
case BFD_RELOC_AVR_LO8_LDI_PM:
|
case BFD_RELOC_AVR_LO8_LDI_PM:
|
reloc_to_return = BFD_RELOC_AVR_LO8_LDI_GS;
|
reloc_to_return = BFD_RELOC_AVR_LO8_LDI_GS;
|
break;
|
break;
|
case BFD_RELOC_AVR_HI8_LDI_PM:
|
case BFD_RELOC_AVR_HI8_LDI_PM:
|
reloc_to_return = BFD_RELOC_AVR_HI8_LDI_GS;
|
reloc_to_return = BFD_RELOC_AVR_HI8_LDI_GS;
|
break;
|
break;
|
|
|
default:
|
default:
|
as_warn (_("expression dangerous with linker stubs"));
|
as_warn (_("expression dangerous with linker stubs"));
|
}
|
}
|
}
|
}
|
return reloc_to_return;
|
return reloc_to_return;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
input_line_pointer = tmp;
|
input_line_pointer = tmp;
|
expression (exp);
|
expression (exp);
|
|
|
/* Warn about expressions that fail to use lo8 (). */
|
/* Warn about expressions that fail to use lo8 (). */
|
if (exp->X_op == O_constant)
|
if (exp->X_op == O_constant)
|
{
|
{
|
int x = exp->X_add_number;
|
int x = exp->X_add_number;
|
|
|
if (x < -255 || x > 255)
|
if (x < -255 || x > 255)
|
as_warn (_("constant out of 8-bit range: %d"), x);
|
as_warn (_("constant out of 8-bit range: %d"), x);
|
}
|
}
|
|
|
return BFD_RELOC_AVR_LDI;
|
return BFD_RELOC_AVR_LDI;
|
}
|
}
|
|
|
/* Parse one instruction operand.
|
/* Parse one instruction operand.
|
Return operand bitmask. Also fixups can be generated. */
|
Return operand bitmask. Also fixups can be generated. */
|
|
|
static unsigned int
|
static unsigned int
|
avr_operand (struct avr_opcodes_s *opcode,
|
avr_operand (struct avr_opcodes_s *opcode,
|
int where,
|
int where,
|
char *op,
|
char *op,
|
char **line)
|
char **line)
|
{
|
{
|
expressionS op_expr;
|
expressionS op_expr;
|
unsigned int op_mask = 0;
|
unsigned int op_mask = 0;
|
char *str = skip_space (*line);
|
char *str = skip_space (*line);
|
|
|
switch (*op)
|
switch (*op)
|
{
|
{
|
/* Any register operand. */
|
/* Any register operand. */
|
case 'w':
|
case 'w':
|
case 'd':
|
case 'd':
|
case 'r':
|
case 'r':
|
case 'a':
|
case 'a':
|
case 'v':
|
case 'v':
|
if (*str == 'r' || *str == 'R')
|
if (*str == 'r' || *str == 'R')
|
{
|
{
|
char r_name[20];
|
char r_name[20];
|
|
|
str = extract_word (str, r_name, sizeof (r_name));
|
str = extract_word (str, r_name, sizeof (r_name));
|
op_mask = 0xff;
|
op_mask = 0xff;
|
if (ISDIGIT (r_name[1]))
|
if (ISDIGIT (r_name[1]))
|
{
|
{
|
if (r_name[2] == '\0')
|
if (r_name[2] == '\0')
|
op_mask = r_name[1] - '0';
|
op_mask = r_name[1] - '0';
|
else if (r_name[1] != '0'
|
else if (r_name[1] != '0'
|
&& ISDIGIT (r_name[2])
|
&& ISDIGIT (r_name[2])
|
&& r_name[3] == '\0')
|
&& r_name[3] == '\0')
|
op_mask = (r_name[1] - '0') * 10 + r_name[2] - '0';
|
op_mask = (r_name[1] - '0') * 10 + r_name[2] - '0';
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
op_mask = avr_get_constant (str, 31);
|
op_mask = avr_get_constant (str, 31);
|
str = input_line_pointer;
|
str = input_line_pointer;
|
}
|
}
|
|
|
if (op_mask <= 31)
|
if (op_mask <= 31)
|
{
|
{
|
switch (*op)
|
switch (*op)
|
{
|
{
|
case 'a':
|
case 'a':
|
if (op_mask < 16 || op_mask > 23)
|
if (op_mask < 16 || op_mask > 23)
|
as_bad (_("register r16-r23 required"));
|
as_bad (_("register r16-r23 required"));
|
op_mask -= 16;
|
op_mask -= 16;
|
break;
|
break;
|
|
|
case 'd':
|
case 'd':
|
if (op_mask < 16)
|
if (op_mask < 16)
|
as_bad (_("register number above 15 required"));
|
as_bad (_("register number above 15 required"));
|
op_mask -= 16;
|
op_mask -= 16;
|
break;
|
break;
|
|
|
case 'v':
|
case 'v':
|
if (op_mask & 1)
|
if (op_mask & 1)
|
as_bad (_("even register number required"));
|
as_bad (_("even register number required"));
|
op_mask >>= 1;
|
op_mask >>= 1;
|
break;
|
break;
|
|
|
case 'w':
|
case 'w':
|
if ((op_mask & 1) || op_mask < 24)
|
if ((op_mask & 1) || op_mask < 24)
|
as_bad (_("register r24, r26, r28 or r30 required"));
|
as_bad (_("register r24, r26, r28 or r30 required"));
|
op_mask = (op_mask - 24) >> 1;
|
op_mask = (op_mask - 24) >> 1;
|
break;
|
break;
|
}
|
}
|
break;
|
break;
|
}
|
}
|
as_bad (_("register name or number from 0 to 31 required"));
|
as_bad (_("register name or number from 0 to 31 required"));
|
break;
|
break;
|
|
|
case 'e':
|
case 'e':
|
{
|
{
|
char c;
|
char c;
|
|
|
if (*str == '-')
|
if (*str == '-')
|
{
|
{
|
str = skip_space (str + 1);
|
str = skip_space (str + 1);
|
op_mask = 0x1002;
|
op_mask = 0x1002;
|
}
|
}
|
c = TOLOWER (*str);
|
c = TOLOWER (*str);
|
if (c == 'x')
|
if (c == 'x')
|
op_mask |= 0x100c;
|
op_mask |= 0x100c;
|
else if (c == 'y')
|
else if (c == 'y')
|
op_mask |= 0x8;
|
op_mask |= 0x8;
|
else if (c != 'z')
|
else if (c != 'z')
|
as_bad (_("pointer register (X, Y or Z) required"));
|
as_bad (_("pointer register (X, Y or Z) required"));
|
|
|
str = skip_space (str + 1);
|
str = skip_space (str + 1);
|
if (*str == '+')
|
if (*str == '+')
|
{
|
{
|
++str;
|
++str;
|
if (op_mask & 2)
|
if (op_mask & 2)
|
as_bad (_("cannot both predecrement and postincrement"));
|
as_bad (_("cannot both predecrement and postincrement"));
|
op_mask |= 0x1001;
|
op_mask |= 0x1001;
|
}
|
}
|
|
|
/* avr1 can do "ld r,Z" and "st Z,r" but no other pointer
|
/* avr1 can do "ld r,Z" and "st Z,r" but no other pointer
|
registers, no predecrement, no postincrement. */
|
registers, no predecrement, no postincrement. */
|
if (!avr_opt.all_opcodes && (op_mask & 0x100F)
|
if (!avr_opt.all_opcodes && (op_mask & 0x100F)
|
&& !(avr_mcu->isa & AVR_ISA_SRAM))
|
&& !(avr_mcu->isa & AVR_ISA_SRAM))
|
as_bad (_("addressing mode not supported"));
|
as_bad (_("addressing mode not supported"));
|
}
|
}
|
break;
|
break;
|
|
|
case 'z':
|
case 'z':
|
if (*str == '-')
|
if (*str == '-')
|
as_bad (_("can't predecrement"));
|
as_bad (_("can't predecrement"));
|
|
|
if (! (*str == 'z' || *str == 'Z'))
|
if (! (*str == 'z' || *str == 'Z'))
|
as_bad (_("pointer register Z required"));
|
as_bad (_("pointer register Z required"));
|
|
|
str = skip_space (str + 1);
|
str = skip_space (str + 1);
|
|
|
if (*str == '+')
|
if (*str == '+')
|
{
|
{
|
++str;
|
++str;
|
op_mask |= 1;
|
op_mask |= 1;
|
}
|
}
|
|
|
/* attiny26 can do "lpm" and "lpm r,Z" but not "lpm r,Z+". */
|
/* attiny26 can do "lpm" and "lpm r,Z" but not "lpm r,Z+". */
|
if (!avr_opt.all_opcodes
|
if (!avr_opt.all_opcodes
|
&& (op_mask & 0x0001)
|
&& (op_mask & 0x0001)
|
&& !(avr_mcu->isa & AVR_ISA_MOVW))
|
&& !(avr_mcu->isa & AVR_ISA_MOVW))
|
as_bad (_("postincrement not supported"));
|
as_bad (_("postincrement not supported"));
|
break;
|
break;
|
|
|
case 'b':
|
case 'b':
|
{
|
{
|
char c = TOLOWER (*str++);
|
char c = TOLOWER (*str++);
|
|
|
if (c == 'y')
|
if (c == 'y')
|
op_mask |= 0x8;
|
op_mask |= 0x8;
|
else if (c != 'z')
|
else if (c != 'z')
|
as_bad (_("pointer register (Y or Z) required"));
|
as_bad (_("pointer register (Y or Z) required"));
|
str = skip_space (str);
|
str = skip_space (str);
|
if (*str++ == '+')
|
if (*str++ == '+')
|
{
|
{
|
input_line_pointer = str;
|
input_line_pointer = str;
|
avr_offset_expression (& op_expr);
|
avr_offset_expression (& op_expr);
|
str = input_line_pointer;
|
str = input_line_pointer;
|
fix_new_exp (frag_now, where, 3,
|
fix_new_exp (frag_now, where, 3,
|
&op_expr, FALSE, BFD_RELOC_AVR_6);
|
&op_expr, FALSE, BFD_RELOC_AVR_6);
|
}
|
}
|
}
|
}
|
break;
|
break;
|
|
|
case 'h':
|
case 'h':
|
str = parse_exp (str, &op_expr);
|
str = parse_exp (str, &op_expr);
|
fix_new_exp (frag_now, where, opcode->insn_size * 2,
|
fix_new_exp (frag_now, where, opcode->insn_size * 2,
|
&op_expr, FALSE, BFD_RELOC_AVR_CALL);
|
&op_expr, FALSE, BFD_RELOC_AVR_CALL);
|
break;
|
break;
|
|
|
case 'L':
|
case 'L':
|
str = parse_exp (str, &op_expr);
|
str = parse_exp (str, &op_expr);
|
fix_new_exp (frag_now, where, opcode->insn_size * 2,
|
fix_new_exp (frag_now, where, opcode->insn_size * 2,
|
&op_expr, TRUE, BFD_RELOC_AVR_13_PCREL);
|
&op_expr, TRUE, BFD_RELOC_AVR_13_PCREL);
|
break;
|
break;
|
|
|
case 'l':
|
case 'l':
|
str = parse_exp (str, &op_expr);
|
str = parse_exp (str, &op_expr);
|
fix_new_exp (frag_now, where, opcode->insn_size * 2,
|
fix_new_exp (frag_now, where, opcode->insn_size * 2,
|
&op_expr, TRUE, BFD_RELOC_AVR_7_PCREL);
|
&op_expr, TRUE, BFD_RELOC_AVR_7_PCREL);
|
break;
|
break;
|
|
|
case 'i':
|
case 'i':
|
str = parse_exp (str, &op_expr);
|
str = parse_exp (str, &op_expr);
|
fix_new_exp (frag_now, where + 2, opcode->insn_size * 2,
|
fix_new_exp (frag_now, where + 2, opcode->insn_size * 2,
|
&op_expr, FALSE, BFD_RELOC_16);
|
&op_expr, FALSE, BFD_RELOC_16);
|
break;
|
break;
|
|
|
case 'M':
|
case 'M':
|
{
|
{
|
bfd_reloc_code_real_type r_type;
|
bfd_reloc_code_real_type r_type;
|
|
|
input_line_pointer = str;
|
input_line_pointer = str;
|
r_type = avr_ldi_expression (&op_expr);
|
r_type = avr_ldi_expression (&op_expr);
|
str = input_line_pointer;
|
str = input_line_pointer;
|
fix_new_exp (frag_now, where, 3,
|
fix_new_exp (frag_now, where, 3,
|
&op_expr, FALSE, r_type);
|
&op_expr, FALSE, r_type);
|
}
|
}
|
break;
|
break;
|
|
|
case 'n':
|
case 'n':
|
{
|
{
|
unsigned int x;
|
unsigned int x;
|
|
|
x = ~avr_get_constant (str, 255);
|
x = ~avr_get_constant (str, 255);
|
str = input_line_pointer;
|
str = input_line_pointer;
|
op_mask |= (x & 0xf) | ((x << 4) & 0xf00);
|
op_mask |= (x & 0xf) | ((x << 4) & 0xf00);
|
}
|
}
|
break;
|
break;
|
|
|
case 'K':
|
case 'K':
|
input_line_pointer = str;
|
input_line_pointer = str;
|
avr_offset_expression (& op_expr);
|
avr_offset_expression (& op_expr);
|
str = input_line_pointer;
|
str = input_line_pointer;
|
fix_new_exp (frag_now, where, 3,
|
fix_new_exp (frag_now, where, 3,
|
& op_expr, FALSE, BFD_RELOC_AVR_6_ADIW);
|
& op_expr, FALSE, BFD_RELOC_AVR_6_ADIW);
|
break;
|
break;
|
|
|
case 'S':
|
case 'S':
|
case 's':
|
case 's':
|
{
|
{
|
unsigned int x;
|
unsigned int x;
|
|
|
x = avr_get_constant (str, 7);
|
x = avr_get_constant (str, 7);
|
str = input_line_pointer;
|
str = input_line_pointer;
|
if (*op == 'S')
|
if (*op == 'S')
|
x <<= 4;
|
x <<= 4;
|
op_mask |= x;
|
op_mask |= x;
|
}
|
}
|
break;
|
break;
|
|
|
case 'P':
|
case 'P':
|
{
|
{
|
unsigned int x;
|
unsigned int x;
|
|
|
x = avr_get_constant (str, 63);
|
x = avr_get_constant (str, 63);
|
str = input_line_pointer;
|
str = input_line_pointer;
|
op_mask |= (x & 0xf) | ((x & 0x30) << 5);
|
op_mask |= (x & 0xf) | ((x & 0x30) << 5);
|
}
|
}
|
break;
|
break;
|
|
|
case 'p':
|
case 'p':
|
{
|
{
|
unsigned int x;
|
unsigned int x;
|
|
|
x = avr_get_constant (str, 31);
|
x = avr_get_constant (str, 31);
|
str = input_line_pointer;
|
str = input_line_pointer;
|
op_mask |= x << 3;
|
op_mask |= x << 3;
|
}
|
}
|
break;
|
break;
|
|
|
case '?':
|
case '?':
|
break;
|
break;
|
|
|
default:
|
default:
|
as_bad (_("unknown constraint `%c'"), *op);
|
as_bad (_("unknown constraint `%c'"), *op);
|
}
|
}
|
|
|
*line = str;
|
*line = str;
|
return op_mask;
|
return op_mask;
|
}
|
}
|
|
|
/* Parse instruction operands.
|
/* Parse instruction operands.
|
Return binary opcode. */
|
Return binary opcode. */
|
|
|
static unsigned int
|
static unsigned int
|
avr_operands (struct avr_opcodes_s *opcode, char **line)
|
avr_operands (struct avr_opcodes_s *opcode, char **line)
|
{
|
{
|
char *op = opcode->constraints;
|
char *op = opcode->constraints;
|
unsigned int bin = opcode->bin_opcode;
|
unsigned int bin = opcode->bin_opcode;
|
char *frag = frag_more (opcode->insn_size * 2);
|
char *frag = frag_more (opcode->insn_size * 2);
|
char *str = *line;
|
char *str = *line;
|
int where = frag - frag_now->fr_literal;
|
int where = frag - frag_now->fr_literal;
|
static unsigned int prev = 0; /* Previous opcode. */
|
static unsigned int prev = 0; /* Previous opcode. */
|
|
|
/* Opcode have operands. */
|
/* Opcode have operands. */
|
if (*op)
|
if (*op)
|
{
|
{
|
unsigned int reg1 = 0;
|
unsigned int reg1 = 0;
|
unsigned int reg2 = 0;
|
unsigned int reg2 = 0;
|
int reg1_present = 0;
|
int reg1_present = 0;
|
int reg2_present = 0;
|
int reg2_present = 0;
|
|
|
/* Parse first operand. */
|
/* Parse first operand. */
|
if (REGISTER_P (*op))
|
if (REGISTER_P (*op))
|
reg1_present = 1;
|
reg1_present = 1;
|
reg1 = avr_operand (opcode, where, op, &str);
|
reg1 = avr_operand (opcode, where, op, &str);
|
++op;
|
++op;
|
|
|
/* Parse second operand. */
|
/* Parse second operand. */
|
if (*op)
|
if (*op)
|
{
|
{
|
if (*op == ',')
|
if (*op == ',')
|
++op;
|
++op;
|
|
|
if (*op == '=')
|
if (*op == '=')
|
{
|
{
|
reg2 = reg1;
|
reg2 = reg1;
|
reg2_present = 1;
|
reg2_present = 1;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (REGISTER_P (*op))
|
if (REGISTER_P (*op))
|
reg2_present = 1;
|
reg2_present = 1;
|
|
|
str = skip_space (str);
|
str = skip_space (str);
|
if (*str++ != ',')
|
if (*str++ != ',')
|
as_bad (_("`,' required"));
|
as_bad (_("`,' required"));
|
str = skip_space (str);
|
str = skip_space (str);
|
|
|
reg2 = avr_operand (opcode, where, op, &str);
|
reg2 = avr_operand (opcode, where, op, &str);
|
}
|
}
|
|
|
if (reg1_present && reg2_present)
|
if (reg1_present && reg2_present)
|
reg2 = (reg2 & 0xf) | ((reg2 << 5) & 0x200);
|
reg2 = (reg2 & 0xf) | ((reg2 << 5) & 0x200);
|
else if (reg2_present)
|
else if (reg2_present)
|
reg2 <<= 4;
|
reg2 <<= 4;
|
}
|
}
|
if (reg1_present)
|
if (reg1_present)
|
reg1 <<= 4;
|
reg1 <<= 4;
|
bin |= reg1 | reg2;
|
bin |= reg1 | reg2;
|
}
|
}
|
|
|
/* Detect undefined combinations (like ld r31,Z+). */
|
/* Detect undefined combinations (like ld r31,Z+). */
|
if (!avr_opt.all_opcodes && AVR_UNDEF_P (bin))
|
if (!avr_opt.all_opcodes && AVR_UNDEF_P (bin))
|
as_warn (_("undefined combination of operands"));
|
as_warn (_("undefined combination of operands"));
|
|
|
if (opcode->insn_size == 2)
|
if (opcode->insn_size == 2)
|
{
|
{
|
/* Warn if the previous opcode was cpse/sbic/sbis/sbrc/sbrs
|
/* Warn if the previous opcode was cpse/sbic/sbis/sbrc/sbrs
|
(AVR core bug, fixed in the newer devices). */
|
(AVR core bug, fixed in the newer devices). */
|
if (!(avr_opt.no_skip_bug ||
|
if (!(avr_opt.no_skip_bug ||
|
(avr_mcu->isa & (AVR_ISA_MUL | AVR_ISA_MOVW)))
|
(avr_mcu->isa & (AVR_ISA_MUL | AVR_ISA_MOVW)))
|
&& AVR_SKIP_P (prev))
|
&& AVR_SKIP_P (prev))
|
as_warn (_("skipping two-word instruction"));
|
as_warn (_("skipping two-word instruction"));
|
|
|
bfd_putl32 ((bfd_vma) bin, frag);
|
bfd_putl32 ((bfd_vma) bin, frag);
|
}
|
}
|
else
|
else
|
bfd_putl16 ((bfd_vma) bin, frag);
|
bfd_putl16 ((bfd_vma) bin, frag);
|
|
|
prev = bin;
|
prev = bin;
|
*line = str;
|
*line = str;
|
return bin;
|
return bin;
|
}
|
}
|
|
|
/* GAS will call this function for each section at the end of the assembly,
|
/* GAS will call this function for each section at the end of the assembly,
|
to permit the CPU backend to adjust the alignment of a section. */
|
to permit the CPU backend to adjust the alignment of a section. */
|
|
|
valueT
|
valueT
|
md_section_align (asection *seg, valueT addr)
|
md_section_align (asection *seg, valueT addr)
|
{
|
{
|
int align = bfd_get_section_alignment (stdoutput, seg);
|
int align = bfd_get_section_alignment (stdoutput, seg);
|
return ((addr + (1 << align) - 1) & (-1 << align));
|
return ((addr + (1 << align) - 1) & (-1 << align));
|
}
|
}
|
|
|
/* If you define this macro, it should return the offset between the
|
/* If you define this macro, it should return the offset between the
|
address of a PC relative fixup and the position from which the PC
|
address of a PC relative fixup and the position from which the PC
|
relative adjustment should be made. On many processors, the base
|
relative adjustment should be made. On many processors, the base
|
of a PC relative instruction is the next instruction, so this
|
of a PC relative instruction is the next instruction, so this
|
macro would return the length of an instruction. */
|
macro would return the length of an instruction. */
|
|
|
long
|
long
|
md_pcrel_from_section (fixS *fixp, segT sec)
|
md_pcrel_from_section (fixS *fixp, segT sec)
|
{
|
{
|
if (fixp->fx_addsy != (symbolS *) NULL
|
if (fixp->fx_addsy != (symbolS *) NULL
|
&& (!S_IS_DEFINED (fixp->fx_addsy)
|
&& (!S_IS_DEFINED (fixp->fx_addsy)
|
|| (S_GET_SEGMENT (fixp->fx_addsy) != sec)))
|
|| (S_GET_SEGMENT (fixp->fx_addsy) != sec)))
|
return 0;
|
return 0;
|
|
|
return fixp->fx_frag->fr_address + fixp->fx_where;
|
return fixp->fx_frag->fr_address + fixp->fx_where;
|
}
|
}
|
|
|
/* GAS will call this for each fixup. It should store the correct
|
/* GAS will call this for each fixup. It should store the correct
|
value in the object file. */
|
value in the object file. */
|
|
|
void
|
void
|
md_apply_fix (fixS *fixP, valueT * valP, segT seg)
|
md_apply_fix (fixS *fixP, valueT * valP, segT seg)
|
{
|
{
|
unsigned char *where;
|
unsigned char *where;
|
unsigned long insn;
|
unsigned long insn;
|
long value = *valP;
|
long value = *valP;
|
|
|
if (fixP->fx_addsy == (symbolS *) NULL)
|
if (fixP->fx_addsy == (symbolS *) NULL)
|
fixP->fx_done = 1;
|
fixP->fx_done = 1;
|
|
|
else if (fixP->fx_pcrel)
|
else if (fixP->fx_pcrel)
|
{
|
{
|
segT s = S_GET_SEGMENT (fixP->fx_addsy);
|
segT s = S_GET_SEGMENT (fixP->fx_addsy);
|
|
|
if (s == seg || s == absolute_section)
|
if (s == seg || s == absolute_section)
|
{
|
{
|
value += S_GET_VALUE (fixP->fx_addsy);
|
value += S_GET_VALUE (fixP->fx_addsy);
|
fixP->fx_done = 1;
|
fixP->fx_done = 1;
|
}
|
}
|
}
|
}
|
|
|
/* We don't actually support subtracting a symbol. */
|
/* We don't actually support subtracting a symbol. */
|
if (fixP->fx_subsy != (symbolS *) NULL)
|
if (fixP->fx_subsy != (symbolS *) NULL)
|
as_bad_where (fixP->fx_file, fixP->fx_line, _("expression too complex"));
|
as_bad_where (fixP->fx_file, fixP->fx_line, _("expression too complex"));
|
|
|
switch (fixP->fx_r_type)
|
switch (fixP->fx_r_type)
|
{
|
{
|
default:
|
default:
|
fixP->fx_no_overflow = 1;
|
fixP->fx_no_overflow = 1;
|
break;
|
break;
|
case BFD_RELOC_AVR_7_PCREL:
|
case BFD_RELOC_AVR_7_PCREL:
|
case BFD_RELOC_AVR_13_PCREL:
|
case BFD_RELOC_AVR_13_PCREL:
|
case BFD_RELOC_32:
|
case BFD_RELOC_32:
|
case BFD_RELOC_16:
|
case BFD_RELOC_16:
|
case BFD_RELOC_AVR_CALL:
|
case BFD_RELOC_AVR_CALL:
|
break;
|
break;
|
}
|
}
|
|
|
if (fixP->fx_done)
|
if (fixP->fx_done)
|
{
|
{
|
/* Fetch the instruction, insert the fully resolved operand
|
/* Fetch the instruction, insert the fully resolved operand
|
value, and stuff the instruction back again. */
|
value, and stuff the instruction back again. */
|
where = (unsigned char *) fixP->fx_frag->fr_literal + fixP->fx_where;
|
where = (unsigned char *) fixP->fx_frag->fr_literal + fixP->fx_where;
|
insn = bfd_getl16 (where);
|
insn = bfd_getl16 (where);
|
|
|
switch (fixP->fx_r_type)
|
switch (fixP->fx_r_type)
|
{
|
{
|
case BFD_RELOC_AVR_7_PCREL:
|
case BFD_RELOC_AVR_7_PCREL:
|
if (value & 1)
|
if (value & 1)
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
_("odd address operand: %ld"), value);
|
_("odd address operand: %ld"), value);
|
|
|
/* Instruction addresses are always right-shifted by 1. */
|
/* Instruction addresses are always right-shifted by 1. */
|
value >>= 1;
|
value >>= 1;
|
--value; /* Correct PC. */
|
--value; /* Correct PC. */
|
|
|
if (value < -64 || value > 63)
|
if (value < -64 || value > 63)
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
_("operand out of range: %ld"), value);
|
_("operand out of range: %ld"), value);
|
value = (value << 3) & 0x3f8;
|
value = (value << 3) & 0x3f8;
|
bfd_putl16 ((bfd_vma) (value | insn), where);
|
bfd_putl16 ((bfd_vma) (value | insn), where);
|
break;
|
break;
|
|
|
case BFD_RELOC_AVR_13_PCREL:
|
case BFD_RELOC_AVR_13_PCREL:
|
if (value & 1)
|
if (value & 1)
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
_("odd address operand: %ld"), value);
|
_("odd address operand: %ld"), value);
|
|
|
/* Instruction addresses are always right-shifted by 1. */
|
/* Instruction addresses are always right-shifted by 1. */
|
value >>= 1;
|
value >>= 1;
|
--value; /* Correct PC. */
|
--value; /* Correct PC. */
|
|
|
if (value < -2048 || value > 2047)
|
if (value < -2048 || value > 2047)
|
{
|
{
|
/* No wrap for devices with >8K of program memory. */
|
/* No wrap for devices with >8K of program memory. */
|
if ((avr_mcu->isa & AVR_ISA_MEGA) || avr_opt.no_wrap)
|
if ((avr_mcu->isa & AVR_ISA_MEGA) || avr_opt.no_wrap)
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
_("operand out of range: %ld"), value);
|
_("operand out of range: %ld"), value);
|
}
|
}
|
|
|
value &= 0xfff;
|
value &= 0xfff;
|
bfd_putl16 ((bfd_vma) (value | insn), where);
|
bfd_putl16 ((bfd_vma) (value | insn), where);
|
break;
|
break;
|
|
|
case BFD_RELOC_32:
|
case BFD_RELOC_32:
|
bfd_putl16 ((bfd_vma) value, where);
|
bfd_putl16 ((bfd_vma) value, where);
|
break;
|
break;
|
|
|
case BFD_RELOC_16:
|
case BFD_RELOC_16:
|
bfd_putl16 ((bfd_vma) value, where);
|
bfd_putl16 ((bfd_vma) value, where);
|
break;
|
break;
|
|
|
case BFD_RELOC_AVR_16_PM:
|
case BFD_RELOC_AVR_16_PM:
|
bfd_putl16 ((bfd_vma) (value >> 1), where);
|
bfd_putl16 ((bfd_vma) (value >> 1), where);
|
break;
|
break;
|
|
|
case BFD_RELOC_AVR_LDI:
|
case BFD_RELOC_AVR_LDI:
|
if (value > 255)
|
if (value > 255)
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
_("operand out of range: %ld"), value);
|
_("operand out of range: %ld"), value);
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (value), where);
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (value), where);
|
break;
|
break;
|
|
|
case BFD_RELOC_AVR_6:
|
case BFD_RELOC_AVR_6:
|
if ((value > 63) || (value < 0))
|
if ((value > 63) || (value < 0))
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
_("operand out of range: %ld"), value);
|
_("operand out of range: %ld"), value);
|
bfd_putl16 ((bfd_vma) insn | ((value & 7) | ((value & (3 << 3)) << 7) | ((value & (1 << 5)) << 8)), where);
|
bfd_putl16 ((bfd_vma) insn | ((value & 7) | ((value & (3 << 3)) << 7) | ((value & (1 << 5)) << 8)), where);
|
break;
|
break;
|
|
|
case BFD_RELOC_AVR_6_ADIW:
|
case BFD_RELOC_AVR_6_ADIW:
|
if ((value > 63) || (value < 0))
|
if ((value > 63) || (value < 0))
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
_("operand out of range: %ld"), value);
|
_("operand out of range: %ld"), value);
|
bfd_putl16 ((bfd_vma) insn | (value & 0xf) | ((value & 0x30) << 2), where);
|
bfd_putl16 ((bfd_vma) insn | (value & 0xf) | ((value & 0x30) << 2), where);
|
break;
|
break;
|
|
|
case BFD_RELOC_AVR_LO8_LDI:
|
case BFD_RELOC_AVR_LO8_LDI:
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (value), where);
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (value), where);
|
break;
|
break;
|
|
|
case BFD_RELOC_AVR_HI8_LDI:
|
case BFD_RELOC_AVR_HI8_LDI:
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (value >> 8), where);
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (value >> 8), where);
|
break;
|
break;
|
|
|
case BFD_RELOC_AVR_MS8_LDI:
|
case BFD_RELOC_AVR_MS8_LDI:
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (value >> 24), where);
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (value >> 24), where);
|
break;
|
break;
|
|
|
case BFD_RELOC_AVR_HH8_LDI:
|
case BFD_RELOC_AVR_HH8_LDI:
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (value >> 16), where);
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (value >> 16), where);
|
break;
|
break;
|
|
|
case BFD_RELOC_AVR_LO8_LDI_NEG:
|
case BFD_RELOC_AVR_LO8_LDI_NEG:
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (-value), where);
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (-value), where);
|
break;
|
break;
|
|
|
case BFD_RELOC_AVR_HI8_LDI_NEG:
|
case BFD_RELOC_AVR_HI8_LDI_NEG:
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (-value >> 8), where);
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (-value >> 8), where);
|
break;
|
break;
|
|
|
case BFD_RELOC_AVR_MS8_LDI_NEG:
|
case BFD_RELOC_AVR_MS8_LDI_NEG:
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (-value >> 24), where);
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (-value >> 24), where);
|
break;
|
break;
|
|
|
case BFD_RELOC_AVR_HH8_LDI_NEG:
|
case BFD_RELOC_AVR_HH8_LDI_NEG:
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (-value >> 16), where);
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (-value >> 16), where);
|
break;
|
break;
|
|
|
case BFD_RELOC_AVR_LO8_LDI_PM:
|
case BFD_RELOC_AVR_LO8_LDI_PM:
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (value >> 1), where);
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (value >> 1), where);
|
break;
|
break;
|
|
|
case BFD_RELOC_AVR_HI8_LDI_PM:
|
case BFD_RELOC_AVR_HI8_LDI_PM:
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (value >> 9), where);
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (value >> 9), where);
|
break;
|
break;
|
|
|
case BFD_RELOC_AVR_HH8_LDI_PM:
|
case BFD_RELOC_AVR_HH8_LDI_PM:
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (value >> 17), where);
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (value >> 17), where);
|
break;
|
break;
|
|
|
case BFD_RELOC_AVR_LO8_LDI_PM_NEG:
|
case BFD_RELOC_AVR_LO8_LDI_PM_NEG:
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (-value >> 1), where);
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (-value >> 1), where);
|
break;
|
break;
|
|
|
case BFD_RELOC_AVR_HI8_LDI_PM_NEG:
|
case BFD_RELOC_AVR_HI8_LDI_PM_NEG:
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (-value >> 9), where);
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (-value >> 9), where);
|
break;
|
break;
|
|
|
case BFD_RELOC_AVR_HH8_LDI_PM_NEG:
|
case BFD_RELOC_AVR_HH8_LDI_PM_NEG:
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (-value >> 17), where);
|
bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (-value >> 17), where);
|
break;
|
break;
|
|
|
case BFD_RELOC_AVR_CALL:
|
case BFD_RELOC_AVR_CALL:
|
{
|
{
|
unsigned long x;
|
unsigned long x;
|
|
|
x = bfd_getl16 (where);
|
x = bfd_getl16 (where);
|
if (value & 1)
|
if (value & 1)
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
_("odd address operand: %ld"), value);
|
_("odd address operand: %ld"), value);
|
value >>= 1;
|
value >>= 1;
|
x |= ((value & 0x10000) | ((value << 3) & 0x1f00000)) >> 16;
|
x |= ((value & 0x10000) | ((value << 3) & 0x1f00000)) >> 16;
|
bfd_putl16 ((bfd_vma) x, where);
|
bfd_putl16 ((bfd_vma) x, where);
|
bfd_putl16 ((bfd_vma) (value & 0xffff), where + 2);
|
bfd_putl16 ((bfd_vma) (value & 0xffff), where + 2);
|
}
|
}
|
break;
|
break;
|
|
|
default:
|
default:
|
as_fatal (_("line %d: unknown relocation type: 0x%x"),
|
as_fatal (_("line %d: unknown relocation type: 0x%x"),
|
fixP->fx_line, fixP->fx_r_type);
|
fixP->fx_line, fixP->fx_r_type);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
switch (fixP->fx_r_type)
|
switch (fixP->fx_r_type)
|
{
|
{
|
case -BFD_RELOC_AVR_HI8_LDI_NEG:
|
case -BFD_RELOC_AVR_HI8_LDI_NEG:
|
case -BFD_RELOC_AVR_HI8_LDI:
|
case -BFD_RELOC_AVR_HI8_LDI:
|
case -BFD_RELOC_AVR_LO8_LDI_NEG:
|
case -BFD_RELOC_AVR_LO8_LDI_NEG:
|
case -BFD_RELOC_AVR_LO8_LDI:
|
case -BFD_RELOC_AVR_LO8_LDI:
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
_("only constant expression allowed"));
|
_("only constant expression allowed"));
|
fixP->fx_done = 1;
|
fixP->fx_done = 1;
|
break;
|
break;
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/* GAS will call this to generate a reloc, passing the resulting reloc
|
/* GAS will call this to generate a reloc, passing the resulting reloc
|
to `bfd_install_relocation'. This currently works poorly, as
|
to `bfd_install_relocation'. This currently works poorly, as
|
`bfd_install_relocation' often does the wrong thing, and instances of
|
`bfd_install_relocation' often does the wrong thing, and instances of
|
`tc_gen_reloc' have been written to work around the problems, which
|
`tc_gen_reloc' have been written to work around the problems, which
|
in turns makes it difficult to fix `bfd_install_relocation'. */
|
in turns makes it difficult to fix `bfd_install_relocation'. */
|
|
|
/* If while processing a fixup, a reloc really needs to be created
|
/* If while processing a fixup, a reloc really needs to be created
|
then it is done here. */
|
then it is done here. */
|
|
|
arelent *
|
arelent *
|
tc_gen_reloc (asection *seg ATTRIBUTE_UNUSED,
|
tc_gen_reloc (asection *seg ATTRIBUTE_UNUSED,
|
fixS *fixp)
|
fixS *fixp)
|
{
|
{
|
arelent *reloc;
|
arelent *reloc;
|
|
|
if (fixp->fx_addsy && fixp->fx_subsy)
|
if (fixp->fx_addsy && fixp->fx_subsy)
|
{
|
{
|
long value = 0;
|
long value = 0;
|
|
|
if ((S_GET_SEGMENT (fixp->fx_addsy) != S_GET_SEGMENT (fixp->fx_subsy))
|
if ((S_GET_SEGMENT (fixp->fx_addsy) != S_GET_SEGMENT (fixp->fx_subsy))
|
|| S_GET_SEGMENT (fixp->fx_addsy) == undefined_section)
|
|| S_GET_SEGMENT (fixp->fx_addsy) == undefined_section)
|
{
|
{
|
as_bad_where (fixp->fx_file, fixp->fx_line,
|
as_bad_where (fixp->fx_file, fixp->fx_line,
|
"Difference of symbols in different sections is not supported");
|
"Difference of symbols in different sections is not supported");
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* We are dealing with two symbols defined in the same section.
|
/* We are dealing with two symbols defined in the same section.
|
Let us fix-up them here. */
|
Let us fix-up them here. */
|
value += S_GET_VALUE (fixp->fx_addsy);
|
value += S_GET_VALUE (fixp->fx_addsy);
|
value -= S_GET_VALUE (fixp->fx_subsy);
|
value -= S_GET_VALUE (fixp->fx_subsy);
|
|
|
/* When fx_addsy and fx_subsy both are zero, md_apply_fix
|
/* When fx_addsy and fx_subsy both are zero, md_apply_fix
|
only takes it's second operands for the fixup value. */
|
only takes it's second operands for the fixup value. */
|
fixp->fx_addsy = NULL;
|
fixp->fx_addsy = NULL;
|
fixp->fx_subsy = NULL;
|
fixp->fx_subsy = NULL;
|
md_apply_fix (fixp, (valueT *) &value, NULL);
|
md_apply_fix (fixp, (valueT *) &value, NULL);
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
reloc = xmalloc (sizeof (arelent));
|
reloc = xmalloc (sizeof (arelent));
|
|
|
reloc->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
|
reloc->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
|
*reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
|
*reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
|
|
|
reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
|
reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
|
reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type);
|
reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type);
|
if (reloc->howto == (reloc_howto_type *) NULL)
|
if (reloc->howto == (reloc_howto_type *) NULL)
|
{
|
{
|
as_bad_where (fixp->fx_file, fixp->fx_line,
|
as_bad_where (fixp->fx_file, fixp->fx_line,
|
_("reloc %d not supported by object file format"),
|
_("reloc %d not supported by object file format"),
|
(int) fixp->fx_r_type);
|
(int) fixp->fx_r_type);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
if (fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT
|
if (fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT
|
|| fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
|
|| fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
|
reloc->address = fixp->fx_offset;
|
reloc->address = fixp->fx_offset;
|
|
|
reloc->addend = fixp->fx_offset;
|
reloc->addend = fixp->fx_offset;
|
|
|
return reloc;
|
return reloc;
|
}
|
}
|
|
|
void
|
void
|
md_assemble (char *str)
|
md_assemble (char *str)
|
{
|
{
|
struct avr_opcodes_s *opcode;
|
struct avr_opcodes_s *opcode;
|
char op[11];
|
char op[11];
|
|
|
str = skip_space (extract_word (str, op, sizeof (op)));
|
str = skip_space (extract_word (str, op, sizeof (op)));
|
|
|
if (!op[0])
|
if (!op[0])
|
as_bad (_("can't find opcode "));
|
as_bad (_("can't find opcode "));
|
|
|
opcode = (struct avr_opcodes_s *) hash_find (avr_hash, op);
|
opcode = (struct avr_opcodes_s *) hash_find (avr_hash, op);
|
|
|
if (opcode == NULL)
|
if (opcode == NULL)
|
{
|
{
|
as_bad (_("unknown opcode `%s'"), op);
|
as_bad (_("unknown opcode `%s'"), op);
|
return;
|
return;
|
}
|
}
|
|
|
/* Special case for opcodes with optional operands (lpm, elpm) -
|
/* Special case for opcodes with optional operands (lpm, elpm) -
|
version with operands exists in avr_opcodes[] in the next entry. */
|
version with operands exists in avr_opcodes[] in the next entry. */
|
|
|
if (*str && *opcode->constraints == '?')
|
if (*str && *opcode->constraints == '?')
|
++opcode;
|
++opcode;
|
|
|
if (!avr_opt.all_opcodes && (opcode->isa & avr_mcu->isa) != opcode->isa)
|
if (!avr_opt.all_opcodes && (opcode->isa & avr_mcu->isa) != opcode->isa)
|
as_bad (_("illegal opcode %s for mcu %s"), opcode->name, avr_mcu->name);
|
as_bad (_("illegal opcode %s for mcu %s"), opcode->name, avr_mcu->name);
|
|
|
/* We used to set input_line_pointer to the result of get_operands,
|
/* We used to set input_line_pointer to the result of get_operands,
|
but that is wrong. Our caller assumes we don't change it. */
|
but that is wrong. Our caller assumes we don't change it. */
|
{
|
{
|
char *t = input_line_pointer;
|
char *t = input_line_pointer;
|
|
|
avr_operands (opcode, &str);
|
avr_operands (opcode, &str);
|
if (*skip_space (str))
|
if (*skip_space (str))
|
as_bad (_("garbage at end of line"));
|
as_bad (_("garbage at end of line"));
|
input_line_pointer = t;
|
input_line_pointer = t;
|
}
|
}
|
}
|
}
|
|
|
/* Flag to pass `pm' mode between `avr_parse_cons_expression' and
|
/* Flag to pass `pm' mode between `avr_parse_cons_expression' and
|
`avr_cons_fix_new'. */
|
`avr_cons_fix_new'. */
|
static int exp_mod_pm = 0;
|
static int exp_mod_pm = 0;
|
|
|
/* Parse special CONS expression: pm (expression)
|
/* Parse special CONS expression: pm (expression)
|
or alternatively: gs (expression).
|
or alternatively: gs (expression).
|
These are used for addressing program memory.
|
These are used for addressing program memory.
|
Relocation: BFD_RELOC_AVR_16_PM. */
|
Relocation: BFD_RELOC_AVR_16_PM. */
|
|
|
void
|
void
|
avr_parse_cons_expression (expressionS *exp, int nbytes)
|
avr_parse_cons_expression (expressionS *exp, int nbytes)
|
{
|
{
|
char *tmp;
|
char *tmp;
|
|
|
exp_mod_pm = 0;
|
exp_mod_pm = 0;
|
|
|
tmp = input_line_pointer = skip_space (input_line_pointer);
|
tmp = input_line_pointer = skip_space (input_line_pointer);
|
|
|
if (nbytes == 2)
|
if (nbytes == 2)
|
{
|
{
|
char *pm_name1 = "pm";
|
char *pm_name1 = "pm";
|
char *pm_name2 = "gs";
|
char *pm_name2 = "gs";
|
int len = strlen (pm_name1);
|
int len = strlen (pm_name1);
|
/* len must be the same for both pm identifiers. */
|
/* len must be the same for both pm identifiers. */
|
|
|
if (strncasecmp (input_line_pointer, pm_name1, len) == 0
|
if (strncasecmp (input_line_pointer, pm_name1, len) == 0
|
|| strncasecmp (input_line_pointer, pm_name2, len) == 0)
|
|| strncasecmp (input_line_pointer, pm_name2, len) == 0)
|
{
|
{
|
input_line_pointer = skip_space (input_line_pointer + len);
|
input_line_pointer = skip_space (input_line_pointer + len);
|
|
|
if (*input_line_pointer == '(')
|
if (*input_line_pointer == '(')
|
{
|
{
|
input_line_pointer = skip_space (input_line_pointer + 1);
|
input_line_pointer = skip_space (input_line_pointer + 1);
|
exp_mod_pm = 1;
|
exp_mod_pm = 1;
|
expression (exp);
|
expression (exp);
|
|
|
if (*input_line_pointer == ')')
|
if (*input_line_pointer == ')')
|
++input_line_pointer;
|
++input_line_pointer;
|
else
|
else
|
{
|
{
|
as_bad (_("`)' required"));
|
as_bad (_("`)' required"));
|
exp_mod_pm = 0;
|
exp_mod_pm = 0;
|
}
|
}
|
|
|
return;
|
return;
|
}
|
}
|
|
|
input_line_pointer = tmp;
|
input_line_pointer = tmp;
|
}
|
}
|
}
|
}
|
|
|
expression (exp);
|
expression (exp);
|
}
|
}
|
|
|
void
|
void
|
avr_cons_fix_new (fragS *frag,
|
avr_cons_fix_new (fragS *frag,
|
int where,
|
int where,
|
int nbytes,
|
int nbytes,
|
expressionS *exp)
|
expressionS *exp)
|
{
|
{
|
if (exp_mod_pm == 0)
|
if (exp_mod_pm == 0)
|
{
|
{
|
if (nbytes == 2)
|
if (nbytes == 2)
|
fix_new_exp (frag, where, nbytes, exp, FALSE, BFD_RELOC_16);
|
fix_new_exp (frag, where, nbytes, exp, FALSE, BFD_RELOC_16);
|
else if (nbytes == 4)
|
else if (nbytes == 4)
|
fix_new_exp (frag, where, nbytes, exp, FALSE, BFD_RELOC_32);
|
fix_new_exp (frag, where, nbytes, exp, FALSE, BFD_RELOC_32);
|
else
|
else
|
as_bad (_("illegal %srelocation size: %d"), "", nbytes);
|
as_bad (_("illegal %srelocation size: %d"), "", nbytes);
|
}
|
}
|
else
|
else
|
{
|
{
|
if (nbytes == 2)
|
if (nbytes == 2)
|
fix_new_exp (frag, where, nbytes, exp, FALSE, BFD_RELOC_AVR_16_PM);
|
fix_new_exp (frag, where, nbytes, exp, FALSE, BFD_RELOC_AVR_16_PM);
|
else
|
else
|
as_bad (_("illegal %srelocation size: %d"), "`pm' ", nbytes);
|
as_bad (_("illegal %srelocation size: %d"), "`pm' ", nbytes);
|
exp_mod_pm = 0;
|
exp_mod_pm = 0;
|
}
|
}
|
}
|
}
|
|
|
