/* Definitions of target machine for GNU compiler,
for ATMEL AVR at90s8515, ATmega103/103L, ATmega603/603L microcontrollers.
- Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
- Free Software Foundation, Inc.
+ Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
+ 2008, 2009 Free Software Foundation, Inc.
Contributed by Denis Chertykov (denisc@overta.ru)
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to
-the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
/* Names to predefine in the preprocessor for this target machine. */
+struct base_arch_s {
+ /* Assembler only. */
+ int asm_only;
+
+ /* Core have 'MUL*' instructions. */
+ int have_mul;
+
+ /* Core have 'CALL' and 'JMP' instructions. */
+ int have_jmp_call;
+
+ /* Core have 'MOVW' and 'LPM Rx,Z' instructions. */
+ int have_movw_lpmx;
+
+ /* Core have 'ELPM' instructions. */
+ int have_elpm;
+
+ /* Core have 'ELPM Rx,Z' instructions. */
+ int have_elpmx;
+
+ /* Core have 'EICALL' and 'EIJMP' instructions. */
+ int have_eijmp_eicall;
+
+ /* Reserved. */
+ int reserved;
+
+ const char *const macro;
+};
+
+extern const struct base_arch_s *avr_current_arch;
+
#define TARGET_CPU_CPP_BUILTINS() \
do \
{ \
builtin_define_std ("AVR"); \
- if (avr_base_arch_macro) \
- builtin_define (avr_base_arch_macro); \
+ if (avr_current_arch->macro) \
+ builtin_define (avr_current_arch->macro); \
if (avr_extra_arch_macro) \
builtin_define (avr_extra_arch_macro); \
- if (avr_have_movw_lpmx_p) \
- builtin_define ("__AVR_HAVE_MOVW__"); \
- if (avr_have_movw_lpmx_p) \
- builtin_define ("__AVR_HAVE_LPMX__"); \
- if (avr_asm_only_p) \
+ if (avr_current_arch->have_elpm) \
+ builtin_define ("__AVR_HAVE_RAMPZ__"); \
+ if (avr_current_arch->have_elpm) \
+ builtin_define ("__AVR_HAVE_ELPM__"); \
+ if (avr_current_arch->have_elpmx) \
+ builtin_define ("__AVR_HAVE_ELPMX__"); \
+ if (avr_current_arch->have_movw_lpmx) \
+ { \
+ builtin_define ("__AVR_HAVE_MOVW__"); \
+ builtin_define ("__AVR_HAVE_LPMX__"); \
+ } \
+ if (avr_current_arch->asm_only) \
builtin_define ("__AVR_ASM_ONLY__"); \
- if (avr_enhanced_p) \
- builtin_define ("__AVR_ENHANCED__"); \
- if (avr_mega_p) \
- builtin_define ("__AVR_MEGA__"); \
+ if (avr_current_arch->have_mul) \
+ { \
+ builtin_define ("__AVR_ENHANCED__"); \
+ builtin_define ("__AVR_HAVE_MUL__"); \
+ } \
+ if (avr_current_arch->have_jmp_call) \
+ { \
+ builtin_define ("__AVR_MEGA__"); \
+ builtin_define ("__AVR_HAVE_JMP_CALL__"); \
+ } \
+ if (avr_current_arch->have_eijmp_eicall) \
+ { \
+ builtin_define ("__AVR_HAVE_EIJMP_EICALL__"); \
+ builtin_define ("__AVR_3_BYTE_PC__"); \
+ } \
+ else \
+ { \
+ builtin_define ("__AVR_2_BYTE_PC__"); \
+ } \
if (TARGET_NO_INTERRUPTS) \
builtin_define ("__NO_INTERRUPTS__"); \
} \
while (0)
-extern const char *avr_base_arch_macro;
extern const char *avr_extra_arch_macro;
-extern int avr_mega_p;
-extern int avr_enhanced_p;
-extern int avr_asm_only_p;
-extern int avr_have_movw_lpmx_p;
-#ifndef IN_LIBGCC2
+
+#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)
extern GTY(()) section *progmem_section;
#endif
-#define AVR_MEGA (avr_mega_p && !TARGET_SHORT_CALLS)
-#define AVR_ENHANCED (avr_enhanced_p)
-#define AVR_HAVE_MOVW (avr_have_movw_lpmx_p)
+#define AVR_HAVE_JMP_CALL (avr_current_arch->have_jmp_call && !TARGET_SHORT_CALLS)
+#define AVR_HAVE_MUL (avr_current_arch->have_mul)
+#define AVR_HAVE_MOVW (avr_current_arch->have_movw_lpmx)
+#define AVR_HAVE_LPMX (avr_current_arch->have_movw_lpmx)
+#define AVR_HAVE_RAMPZ (avr_current_arch->have_elpm)
+#define AVR_HAVE_EIJMP_EICALL (avr_current_arch->have_eijmp_eicall)
+
+#define AVR_2_BYTE_PC (!AVR_HAVE_EIJMP_EICALL)
+#define AVR_3_BYTE_PC (AVR_HAVE_EIJMP_EICALL)
#define TARGET_VERSION fprintf (stderr, " (GNU assembler syntax)");
/* No data type wants to be aligned rounder than this. */
#define BIGGEST_ALIGNMENT 8
+#define MAX_OFILE_ALIGNMENT (32768 * 8)
+
+#define TARGET_VTABLE_ENTRY_ALIGN 8
#define STRICT_ALIGNMENT 0
#define REGNO_REG_CLASS(R) avr_regno_reg_class(R)
+/* The following macro defines cover classes for Integrated Register
+ Allocator. Cover classes is a set of non-intersected register
+ classes covering all hard registers used for register allocation
+ purpose. Any move between two registers of a cover class should be
+ cheaper than load or store of the registers. The macro value is
+ array of register classes with LIM_REG_CLASSES used as the end
+ marker. */
+
+#define IRA_COVER_CLASSES \
+{ \
+ GENERAL_REGS, LIM_REG_CLASSES \
+}
+
#define BASE_REG_CLASS (reload_completed ? BASE_POINTER_REGS : POINTER_REGS)
#define INDEX_REG_CLASS NO_REGS
#define RETURN_ADDR_RTX(count, x) \
gen_rtx_MEM (Pmode, memory_address (Pmode, plus_constant (tem, 1)))
-#define PUSH_ROUNDING(NPUSHED) (NPUSHED)
+/* Don't use Push rounding. expr.c: emit_single_push_insn is broken
+ for POST_DEC targets (PR27386). */
+/*#define PUSH_ROUNDING(NPUSHED) (NPUSHED)*/
#define RETURN_POPS_ARGS(FUNDECL, FUNTYPE, STACK_SIZE) 0
#define RET_REGISTER avr_ret_register ()
-#define FUNCTION_VALUE(VALTYPE, FUNC) avr_function_value (VALTYPE, FUNC)
-
#define LIBCALL_VALUE(MODE) avr_libcall_value (MODE)
#define FUNCTION_VALUE_REGNO_P(N) ((int) (N) == RET_REGISTER)
#define DEFAULT_PCC_STRUCT_RETURN 0
-#define EPILOGUE_USES(REGNO) 0
+#define EPILOGUE_USES(REGNO) avr_epilogue_uses(REGNO)
#define HAVE_POST_INCREMENT 1
#define HAVE_PRE_DECREMENT 1
}
#define XEXP_(X,Y) (X)
+
+/* LEGITIMIZE_RELOAD_ADDRESS will allow register R26/27 to be used, where it
+ is no worse than normal base pointers R28/29 and R30/31. For example:
+ If base offset is greater than 63 bytes or for R++ or --R addressing. */
+
#define LEGITIMIZE_RELOAD_ADDRESS(X, MODE, OPNUM, TYPE, IND_LEVELS, WIN) \
do { \
if (1&&(GET_CODE (X) == POST_INC || GET_CODE (X) == PRE_DEC)) \
} \
if (GET_CODE (X) == PLUS \
&& REG_P (XEXP (X, 0)) \
+ && reg_equiv_constant[REGNO (XEXP (X, 0))] == 0 \
&& GET_CODE (XEXP (X, 1)) == CONST_INT \
&& INTVAL (XEXP (X, 1)) >= 1) \
{ \
OPNUM, TYPE); \
goto WIN; \
} \
- push_reload (XEXP (X, 0), NULL_RTX, &XEXP (X, 0), NULL, \
- BASE_POINTER_REGS, GET_MODE (X), VOIDmode, 0, 0, \
- OPNUM, TYPE); \
- goto WIN; \
} \
else if (! (frame_pointer_needed && XEXP (X,0) == frame_pointer_rtx)) \
{ \
} \
} while(0)
-#define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR,LABEL) \
- if (GET_CODE (ADDR) == POST_INC || GET_CODE (ADDR) == PRE_DEC) \
- goto LABEL
+#define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR,LABEL)
#define LEGITIMATE_CONSTANT_P(X) 1
(MODE)==SImode ? 8 : \
(MODE)==SFmode ? 8 : 16)
-#define BRANCH_COST 0
+#define BRANCH_COST(speed_p, predictable_p) 0
#define SLOW_BYTE_ACCESS 0
#define TARGET_ASM_DESTRUCTOR avr_asm_out_dtor
+#define SUPPORTS_INIT_PRIORITY 0
+
#define JUMP_TABLES_IN_TEXT_SECTION 0
#define ASM_COMMENT_START " ; "
#define ASM_OUTPUT_ASCII(FILE, P, SIZE) gas_output_ascii (FILE,P,SIZE)
-#define IS_ASM_LOGICAL_LINE_SEPARATOR(C) ((C) == '\n' \
- || ((C) == '$'))
+#define IS_ASM_LOGICAL_LINE_SEPARATOR(C, STR) ((C) == '\n' || ((C) == '$'))
#define ASM_OUTPUT_COMMON(STREAM, NAME, SIZE, ROUNDED) \
do { \
specific tm.h file (depending upon the particulars of your assembler). */
#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
-do { \
- ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function"); \
- ASM_OUTPUT_LABEL (FILE, NAME); \
-} while (0)
+avr_asm_declare_function_name ((FILE), (NAME), (DECL))
#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \
do { \
"r8","r9","r10","r11","r12","r13","r14","r15", \
"r16","r17","r18","r19","r20","r21","r22","r23", \
"r24","r25","r26","r27","r28","r29","r30","r31", \
- "__SPL__","__SPH__","argL","argH"}
+ "__SP_L__","__SP_H__","argL","argH"}
#define FINAL_PRESCAN_INSN(insn, operand, nop) final_prescan_insn (insn, operand,nop)
#define PRINT_OPERAND(STREAM, X, CODE) print_operand (STREAM, X, CODE)
-#define PRINT_OPERAND_PUNCT_VALID_P(CODE) ((CODE) == '~')
+#define PRINT_OPERAND_PUNCT_VALID_P(CODE) ((CODE) == '~' || (CODE) == '!')
#define PRINT_OPERAND_ADDRESS(STREAM, X) print_operand_address(STREAM, X)
#define ASM_OUTPUT_SKIP(STREAM, N) \
fprintf (STREAM, "\t.skip %lu,0\n", (unsigned long)(N))
-#define ASM_OUTPUT_ALIGN(STREAM, POWER)
+#define ASM_OUTPUT_ALIGN(STREAM, POWER) \
+ do { \
+ if ((POWER) > 1) \
+ fprintf (STREAM, "\t.p2align\t%d\n", POWER); \
+ } while (0)
#define CASE_VECTOR_MODE HImode
#define CC1PLUS_SPEC "%{!frtti:-fno-rtti} \
%{!fenforce-eh-specs:-fno-enforce-eh-specs} \
%{!fexceptions:-fno-exceptions}"
-/* A C string constant that tells the GCC drvier program options to
+/* A C string constant that tells the GCC driver program options to
pass to `cc1plus'. */
-#define ASM_SPEC "%{mmcu=avr25:-mmcu=avr2;\
+#define ASM_SPEC "%{mmcu=avr25:-mmcu=avr2;mmcu=avr35:-mmcu=avr3;mmcu=avr31:-mmcu=avr3;mmcu=avr51:-mmcu=avr5;\
mmcu=*:-mmcu=%*}"
-#define LINK_SPEC " %{!mmcu*:-m avr2}\
+#define LINK_SPEC "\
+%{mrelax:--relax\
+ %{mpmem-wrap-around:%{mmcu=at90usb8*:--pmem-wrap-around=8k}\
+ %{mmcu=atmega16*:--pmem-wrap-around=16k}\
+ %{mmcu=atmega32*|\
+ mmcu=at90can32*:--pmem-wrap-around=32k}\
+ %{mmcu=atmega64*|\
+ mmcu=at90can64*|\
+ mmcu=at90usb64*:--pmem-wrap-around=64k}}}\
+%{!mmcu*: -m avr2}\
%{mmcu=at90s1200|\
mmcu=attiny11|\
mmcu=attiny12|\
mmcu=attiny15|\
- mmcu=attiny28:-m avr1}\
+ mmcu=attiny28: -m avr1}\
%{mmcu=attiny22|\
mmcu=attiny26|\
mmcu=at90s2*|\
mmcu=at90s8*|\
mmcu=at90c8*|\
mmcu=at86rf401|\
- mmcu=attiny13|\
+ mmcu=ata6289|\
+ mmcu=attiny13*|\
mmcu=attiny2313|\
mmcu=attiny24|\
mmcu=attiny25|\
mmcu=attiny261|\
mmcu=attiny4*|\
- mmcu=attiny8*:-m avr2}\
+ mmcu=attiny8*: -m avr2}\
%{mmcu=atmega103|\
- mmcu=atmega603|\
mmcu=at43*|\
- mmcu=at76*:-m avr3}\
+ mmcu=at76*|\
+ mmcu=at90usb82|\
+ mmcu=at90usb162|\
+ mmcu=attiny16*|\
+ mmcu=attiny32*: -m avr3}\
%{mmcu=atmega8*|\
- mmcu=atmega48|\
+ mmcu=atmega4*|\
mmcu=at90pwm1|\
mmcu=at90pwm2|\
- mmcu=at90pwm3:-m avr4}\
+ mmcu=at90pwm2b|\
+ mmcu=at90pwm3|\
+ mmcu=at90pwm3b|\
+ mmcu=at90pwm81: -m avr4}\
%{mmcu=atmega16*|\
mmcu=atmega32*|\
mmcu=atmega406|\
mmcu=atmega64*|\
mmcu=atmega128*|\
mmcu=at90can*|\
- mmcu=at90usb*|\
- mmcu=at94k:-m avr5}\
+ mmcu=at90pwm216|\
+ mmcu=at90pwm316|\
+ mmcu=at90scr100|\
+ mmcu=at90usb64*|\
+ mmcu=at90usb128*|\
+ mmcu=at94k|\
+ mmcu=m3000*|\
+ mmcu=m3001*: -m avr5}\
+%{mmcu=atmega256*:-m avr6}\
%{mmcu=atmega324*|\
- mmcu=atmega325|\
- mmcu=atmega3250|\
- mmcu=atmega329|\
- mmcu=atmega3290|\
+ mmcu=atmega325*|\
+ mmcu=atmega328p|\
+ mmcu=atmega329*|\
mmcu=atmega406|\
- mmcu=atmega48|\
- mmcu=atmega88|\
+ mmcu=atmega48*|\
+ mmcu=atmega88*|\
mmcu=atmega64|\
mmcu=atmega644*|\
- mmcu=atmega645|\
- mmcu=atmega6450|\
- mmcu=atmega649|\
- mmcu=atmega6490|\
+ mmcu=atmega645*|\
+ mmcu=atmega649*|\
mmcu=atmega128|\
+ mmcu=atmega1284p|\
mmcu=atmega162|\
mmcu=atmega164*|\
mmcu=atmega165*|\
- mmcu=atmega168|\
+ mmcu=atmega168*|\
mmcu=atmega169*|\
+ mmcu=atmega4hv*|\
+ mmcu=atmega8hv*|\
+ mmcu=atmega16hv*|\
+ mmcu=atmega32hv*|\
+ mmcu=attiny48|\
+ mmcu=attiny88|\
+ mmcu=attiny87|\
+ mmcu=attiny167|\
+ mmcu=attiny327|\
mmcu=at90can*|\
mmcu=at90pwm*|\
+ mmcu=atmega8c1|\
+ mmcu=atmega16c1|\
+ mmcu=atmega32c1|\
+ mmcu=atmega64c1|\
+ mmcu=atmega8m1|\
+ mmcu=atmega16m1|\
+ mmcu=atmega32m1|\
+ mmcu=atmega64m1|\
+ mmcu=atmega16u4|\
+ mmcu=atmega32u*|\
+ mmcu=at90scr100|\
+ mmcu=ata6289|\
mmcu=at90usb*: -Tdata 0x800100}\
%{mmcu=atmega640|\
mmcu=atmega1280|\
- mmcu=atmega1281: -Tdata 0x800200} "
+ mmcu=atmega1281|\
+ mmcu=atmega256*|\
+ mmcu=atmega128rfa1: -Tdata 0x800200}\
+%{mmcu=m3000*|\
+ mmcu=m3001*: -Tdata 0x801000}"
#define LIB_SPEC \
"%{!mmcu=at90s1*:%{!mmcu=attiny11:%{!mmcu=attiny12:%{!mmcu=attiny15:%{!mmcu=attiny28: -lc }}}}}"
%{mmcu=at90s8535:crts8535.o%s} \
%{mmcu=at86rf401:crt86401.o%s} \
%{mmcu=attiny13:crttn13.o%s} \
+%{mmcu=attiny13a:crttn13a.o%s} \
%{mmcu=attiny2313|mmcu=avr25:crttn2313.o%s} \
%{mmcu=attiny24:crttn24.o%s} \
%{mmcu=attiny44:crttn44.o%s} \
%{mmcu=attiny261:crttn261.o%s} \
%{mmcu=attiny461:crttn461.o%s} \
%{mmcu=attiny861:crttn861.o%s} \
-%{mmcu=atmega103|mmcu=avr3:crtm103.o%s} \
-%{mmcu=atmega603:crtm603.o%s} \
-%{mmcu=at43usb320:crt43320.o%s} \
-%{mmcu=at43usb355:crt43355.o%s} \
+%{mmcu=attiny43u:crttn43u.o%s} \
+%{mmcu=attiny87:crttn87.o%s} \
+%{mmcu=attiny48:crttn48.o%s} \
+%{mmcu=attiny88:crttn88.o%s} \
+%{mmcu=ata6289:crta6289.o%s} \
+%{mmcu=at43usb355|mmcu=avr3:crt43355.o%s} \
%{mmcu=at76c711:crt76711.o%s} \
+%{mmcu=atmega103|mmcu=avr31:crtm103.o%s} \
+%{mmcu=at43usb320:crt43320.o%s} \
+%{mmcu=at90usb162|mmcu=avr35:crtusb162.o%s} \
+%{mmcu=at90usb82:crtusb82.o%s} \
+%{mmcu=attiny167:crttn167.o%s} \
+%{mmcu=attiny327:crttn327.o%s} \
%{mmcu=atmega8|mmcu=avr4:crtm8.o%s} \
%{mmcu=atmega48:crtm48.o%s} \
+%{mmcu=atmega48p:crtm48p.o%s} \
%{mmcu=atmega88:crtm88.o%s} \
+%{mmcu=atmega88p:crtm88p.o%s} \
%{mmcu=atmega8515:crtm8515.o%s} \
%{mmcu=atmega8535:crtm8535.o%s} \
+%{mmcu=atmega8c1:crtm8c1.o%s} \
+%{mmcu=atmega8m1:crtm8m1.o%s} \
%{mmcu=at90pwm1:crt90pwm1.o%s} \
%{mmcu=at90pwm2:crt90pwm2.o%s} \
+%{mmcu=at90pwm2b:crt90pwm2b.o%s} \
%{mmcu=at90pwm3:crt90pwm3.o%s} \
+%{mmcu=at90pwm3b:crt90pwm3b.o%s} \
+%{mmcu=at90pwm81:crt90pwm81.o%s} \
%{mmcu=atmega16:crtm16.o%s} \
%{mmcu=atmega161|mmcu=avr5:crtm161.o%s} \
%{mmcu=atmega162:crtm162.o%s} \
%{mmcu=atmega165:crtm165.o%s} \
%{mmcu=atmega165p:crtm165p.o%s} \
%{mmcu=atmega168:crtm168.o%s} \
+%{mmcu=atmega168p:crtm168p.o%s} \
%{mmcu=atmega169:crtm169.o%s} \
%{mmcu=atmega169p:crtm169p.o%s} \
%{mmcu=atmega32:crtm32.o%s} \
%{mmcu=atmega323:crtm323.o%s} \
%{mmcu=atmega324p:crtm324p.o%s} \
%{mmcu=atmega325:crtm325.o%s} \
+%{mmcu=atmega325p:crtm325p.o%s} \
%{mmcu=atmega3250:crtm3250.o%s} \
+%{mmcu=atmega3250p:crtm3250p.o%s} \
+%{mmcu=atmega328p:crtm328p.o%s} \
%{mmcu=atmega329:crtm329.o%s} \
+%{mmcu=atmega329p:crtm329p.o%s} \
%{mmcu=atmega3290:crtm3290.o%s} \
+%{mmcu=atmega3290p:crtm3290p.o%s} \
%{mmcu=atmega406:crtm406.o%s} \
%{mmcu=atmega64:crtm64.o%s} \
%{mmcu=atmega640:crtm640.o%s} \
%{mmcu=atmega6450:crtm6450.o%s} \
%{mmcu=atmega649:crtm649.o%s} \
%{mmcu=atmega6490:crtm6490.o%s} \
-%{mmcu=atmega128:crtm128.o%s} \
-%{mmcu=atmega1280:crtm1280.o%s} \
-%{mmcu=atmega1281:crtm1281.o%s} \
+%{mmcu=atmega8hva:crtm8hva.o%s} \
+%{mmcu=atmega16hva:crtm16hva.o%s} \
+%{mmcu=atmega16hvb:crtm16hvb.o%s} \
+%{mmcu=atmega32hvb:crtm32hvb.o%s} \
+%{mmcu=atmega4hvd:crtm4hvd.o%s} \
+%{mmcu=atmega8hvd:crtm8hvd.o%s} \
%{mmcu=at90can32:crtcan32.o%s} \
%{mmcu=at90can64:crtcan64.o%s} \
-%{mmcu=at90can128:crtcan128.o%s} \
+%{mmcu=at90pwm216:crt90pwm216.o%s} \
+%{mmcu=at90pwm316:crt90pwm316.o%s} \
+%{mmcu=atmega16c1:crtm16c1.o%s} \
+%{mmcu=atmega32c1:crtm32c1.o%s} \
+%{mmcu=atmega64c1:crtm64c1.o%s} \
+%{mmcu=atmega16m1:crtm16m1.o%s} \
+%{mmcu=atmega32m1:crtm32m1.o%s} \
+%{mmcu=atmega64m1:crtm64m1.o%s} \
+%{mmcu=atmega16u4:crtm16u4.o%s} \
+%{mmcu=atmega32u4:crtm32u4.o%s} \
+%{mmcu=atmega32u6:crtm32u6.o%s} \
+%{mmcu=at90scr100:crt90scr100.o%s} \
%{mmcu=at90usb646:crtusb646.o%s} \
%{mmcu=at90usb647:crtusb647.o%s} \
+%{mmcu=at94k:crtat94k.o%s} \
+%{mmcu=atmega128|mmcu=avr51:crtm128.o%s} \
+%{mmcu=atmega1280:crtm1280.o%s} \
+%{mmcu=atmega1281:crtm1281.o%s} \
+%{mmcu=atmega1284p:crtm1284p.o%s} \
+%{mmcu=at90can128:crtcan128.o%s} \
+%{mmcu=atmega128rfa1:crtm128rfa1.o%s} \
%{mmcu=at90usb1286:crtusb1286.o%s} \
%{mmcu=at90usb1287:crtusb1287.o%s} \
-%{mmcu=at94k:crtat94k.o%s}"
+%{mmcu=m3000f:crtm3000f.o%s} \
+%{mmcu=m3000s:crtm3000s.o%s} \
+%{mmcu=m3001b:crtm3001b.o%s} \
+%{mmcu=atmega2560|mmcu=avr6:crtm2560.o%s} \
+%{mmcu=atmega2561:crtm2561.o%s}"
#define EXTRA_SPECS {"crt_binutils", CRT_BINUTILS_SPECS},
#define DWARF2_DEBUGGING_INFO 1
+#define DWARF2_ADDR_SIZE 4
+
#define OBJECT_FORMAT_ELF
+
+#define HARD_REGNO_RENAME_OK(OLD_REG, NEW_REG) \
+ avr_hard_regno_rename_ok (OLD_REG, NEW_REG)
+
+/* A C structure for machine-specific, per-function data.
+ This is added to the cfun structure. */
+struct machine_function GTY(())
+{
+ /* 'true' - if the current function is a leaf function. */
+ int is_leaf;
+
+ /* 'true' - if current function is a naked function. */
+ int is_naked;
+
+ /* 'true' - if current function is an interrupt function
+ as specified by the "interrupt" attribute. */
+ int is_interrupt;
+
+ /* 'true' - if current function is a signal function
+ as specified by the "signal" attribute. */
+ int is_signal;
+
+ /* 'true' - if current function is a 'task' function
+ as specified by the "OS_task" attribute. */
+ int is_OS_task;
+
+ /* 'true' - if current function is a 'main' function
+ as specified by the "OS_main" attribute. */
+ int is_OS_main;
+};
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