/* 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, 2007,
- 2008, 2009 Free Software Foundation, Inc.
- Contributed by Denis Chertykov (denisc@overta.ru)
+ 2008, 2009, 2010
+ Free Software Foundation, Inc.
+ Contributed by Denis Chertykov (chertykov@gmail.com)
This file is part of GCC.
/* Core have 'EICALL' and 'EIJMP' instructions. */
int have_eijmp_eicall;
- /* Reserved. */
+ /* Reserved for xmega architecture. */
int reserved;
+
+ /* Reserved for xmega architecture. */
+ int reserved2;
+ /* Default start of data section address for architecture. */
+ int default_data_section_start;
+
const char *const macro;
+
+ /* Architecture name. */
+ const char *const arch_name;
};
-extern const struct base_arch_s *avr_current_arch;
+/* These names are used as the index into the avr_arch_types[] table
+ above. */
-#define TARGET_CPU_CPP_BUILTINS() \
- do \
- { \
- builtin_define_std ("AVR"); \
- if (avr_current_arch->macro) \
- builtin_define (avr_current_arch->macro); \
- if (avr_extra_arch_macro) \
- builtin_define (avr_extra_arch_macro); \
- 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_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)
+enum avr_arch
+{
+ ARCH_UNKNOWN,
+ ARCH_AVR1,
+ ARCH_AVR2,
+ ARCH_AVR25,
+ ARCH_AVR3,
+ ARCH_AVR31,
+ ARCH_AVR35,
+ ARCH_AVR4,
+ ARCH_AVR5,
+ ARCH_AVR51,
+ ARCH_AVR6
+};
+
+struct mcu_type_s {
+ /* Device name. */
+ const char *const name;
+
+ /* Index in avr_arch_types[]. */
+ int arch;
+
+ /* Must lie outside user's namespace. NULL == no macro. */
+ const char *const macro;
+
+ /* Stack pointer have 8 bits width. */
+ int short_sp;
+
+ /* Start of data section. */
+ int data_section_start;
+
+ /* Name of device library. */
+ const char *const library_name;
+};
+/* Preprocessor macros to define depending on MCU type. */
extern const char *avr_extra_arch_macro;
+extern const struct base_arch_s *avr_current_arch;
+extern const struct mcu_type_s *avr_current_device;
+extern const struct mcu_type_s avr_mcu_types[];
+extern const struct base_arch_s avr_arch_types[];
+
+#define TARGET_CPU_CPP_BUILTINS() avr_cpu_cpp_builtins (pfile)
#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)
extern GTY(()) section *progmem_section;
#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_HAVE_8BIT_SP (avr_current_device->short_sp || TARGET_TINY_STACK)
#define AVR_2_BYTE_PC (!AVR_HAVE_EIJMP_EICALL)
#define AVR_3_BYTE_PC (AVR_HAVE_EIJMP_EICALL)
32,33,34,35 \
}
-#define ORDER_REGS_FOR_LOCAL_ALLOC order_regs_for_local_alloc ()
+#define ADJUST_REG_ALLOC_ORDER order_regs_for_local_alloc ()
#define HARD_REGNO_NREGS(REGNO, MODE) ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
#define STATIC_CHAIN_REGNUM 2
-#define FRAME_POINTER_REQUIRED frame_pointer_required_p()
-
/* Offset from the frame pointer register value to the top of the stack. */
#define FRAME_POINTER_CFA_OFFSET(FNDECL) 0
{FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM} \
,{FRAME_POINTER_REGNUM+1,STACK_POINTER_REGNUM+1}}
-#define CAN_ELIMINATE(FROM, TO) (((FROM) == ARG_POINTER_REGNUM \
- && (TO) == FRAME_POINTER_REGNUM) \
- || (((FROM) == FRAME_POINTER_REGNUM \
- || (FROM) == FRAME_POINTER_REGNUM+1) \
- && ! FRAME_POINTER_REQUIRED \
- ))
-
#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
- OFFSET = initial_elimination_offset (FROM, TO)
+ OFFSET = avr_initial_elimination_offset (FROM, TO)
-#define RETURN_ADDR_RTX(count, x) \
- gen_rtx_MEM (Pmode, memory_address (Pmode, plus_constant (tem, 1)))
+#define RETURN_ADDR_RTX(count, tem) avr_return_addr_rtx (count, tem)
/* Don't use Push rounding. expr.c: emit_single_push_insn is broken
for POST_DEC targets (PR27386). */
#define HAVE_POST_INCREMENT 1
#define HAVE_PRE_DECREMENT 1
-#define CONSTANT_ADDRESS_P(X) CONSTANT_P (X)
-
#define MAX_REGS_PER_ADDRESS 1
-#ifdef REG_OK_STRICT
-# define GO_IF_LEGITIMATE_ADDRESS(mode, operand, ADDR) \
-{ \
- if (legitimate_address_p (mode, operand, 1)) \
- goto ADDR; \
-}
-# else
-# define GO_IF_LEGITIMATE_ADDRESS(mode, operand, ADDR) \
-{ \
- if (legitimate_address_p (mode, operand, 0)) \
- goto ADDR; \
-}
-#endif
-
#define REG_OK_FOR_BASE_NOSTRICT_P(X) \
(REGNO (X) >= FIRST_PSEUDO_REGISTER || REG_OK_FOR_BASE_STRICT_P(X))
#define REG_OK_FOR_BASE_STRICT_P(X) REGNO_OK_FOR_BASE_P (REGNO (X))
-#ifdef REG_OK_STRICT
-# define REG_OK_FOR_BASE_P(X) REG_OK_FOR_BASE_STRICT_P (X)
-#else
-# define REG_OK_FOR_BASE_P(X) REG_OK_FOR_BASE_NOSTRICT_P (X)
-#endif
-
-#define REG_OK_FOR_INDEX_P(X) 0
-
-#define LEGITIMIZE_ADDRESS(X, OLDX, MODE, WIN) \
-{ \
- (X) = legitimize_address (X, OLDX, MODE); \
- if (memory_address_p (MODE, X)) \
- goto WIN; \
-}
-
-#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. */
} \
} while(0)
-#define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR,LABEL)
-
#define LEGITIMATE_CONSTANT_P(X) 1
#define REGISTER_MOVE_COST(MODE, FROM, TO) ((FROM) == STACK_REG ? 6 \
fprintf (STREAM, "\t.p2align\t%d\n", POWER); \
} while (0)
-#define CASE_VECTOR_MODE HImode
+#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
+ default_elf_asm_output_external (FILE, DECL, NAME)
-extern int avr_case_values_threshold;
-
-#define CASE_VALUES_THRESHOLD avr_case_values_threshold
+#define CASE_VECTOR_MODE HImode
#undef WORD_REGISTER_OPERATIONS
#define NO_DOLLAR_IN_LABEL 1
-#define TRAMPOLINE_TEMPLATE(FILE) \
- internal_error ("trampolines not supported")
-
#define TRAMPOLINE_SIZE 4
-#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \
-{ \
- emit_move_insn (gen_rtx_MEM (HImode, plus_constant ((TRAMP), 2)), CXT); \
- emit_move_insn (gen_rtx_MEM (HImode, plus_constant ((TRAMP), 6)), FNADDR); \
-}
/* Store in cc_status the expressions
that the condition codes will describe
after execution of an instruction whose pattern is EXP.
#define ADJUST_INSN_LENGTH(INSN, LENGTH) (LENGTH =\
adjust_insn_length (INSN, LENGTH))
+extern const char *avr_device_to_arch (int argc, const char **argv);
+extern const char *avr_device_to_data_start (int argc, const char **argv);
+extern const char *avr_device_to_startfiles (int argc, const char **argv);
+extern const char *avr_device_to_devicelib (int argc, const char **argv);
+
+#define EXTRA_SPEC_FUNCTIONS \
+ { "device_to_arch", avr_device_to_arch }, \
+ { "device_to_data_start", avr_device_to_data_start }, \
+ { "device_to_startfile", avr_device_to_startfiles }, \
+ { "device_to_devicelib", avr_device_to_devicelib },
+
#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
#define CC1_SPEC "%{profile:-p}"
%{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=attiny22|\
- mmcu=attiny26|\
- mmcu=at90s2*|\
- mmcu=at90s4*|\
- mmcu=at90s8*|\
- mmcu=at90c8*|\
- mmcu=at86rf401|\
- mmcu=ata6289|\
- mmcu=attiny13*|\
- mmcu=attiny2313|\
- mmcu=attiny24|\
- mmcu=attiny25|\
- mmcu=attiny261|\
- mmcu=attiny4*|\
- mmcu=attiny8*: -m avr2}\
-%{mmcu=atmega103|\
- mmcu=at43*|\
- mmcu=at76*|\
- mmcu=at90usb82|\
- mmcu=at90usb162|\
- mmcu=attiny16*|\
- mmcu=attiny32*: -m avr3}\
-%{mmcu=atmega8*|\
- mmcu=atmega4*|\
- mmcu=at90pwm1|\
- mmcu=at90pwm2|\
- mmcu=at90pwm2b|\
- mmcu=at90pwm3|\
- mmcu=at90pwm3b|\
- mmcu=at90pwm81: -m avr4}\
-%{mmcu=atmega16*|\
- mmcu=atmega32*|\
- mmcu=atmega406|\
- mmcu=atmega64*|\
- mmcu=atmega128*|\
- mmcu=at90can*|\
- 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=atmega328p|\
- mmcu=atmega329*|\
- mmcu=atmega406|\
- mmcu=atmega48*|\
- mmcu=atmega88*|\
- mmcu=atmega64|\
- mmcu=atmega644*|\
- mmcu=atmega645*|\
- mmcu=atmega649*|\
- mmcu=atmega128|\
- mmcu=atmega1284p|\
- mmcu=atmega162|\
- mmcu=atmega164*|\
- mmcu=atmega165*|\
- 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=atmega32c1|\
- mmcu=atmega64c1|\
- mmcu=atmega16m1|\
- mmcu=atmega32m1|\
- mmcu=atmega64m1|\
- mmcu=atmega16u4|\
- mmcu=atmega32u*|\
- mmcu=at90scr100|\
- mmcu=ata6289|\
- mmcu=at90usb*: -Tdata 0x800100}\
-%{mmcu=atmega640|\
- mmcu=atmega1280|\
- mmcu=atmega1281|\
- mmcu=atmega256*|\
- mmcu=atmega128rfa1: -Tdata 0x800200}\
-%{mmcu=m3000*|\
- mmcu=m3001*: -Tdata 0x801000}"
+%:device_to_arch(%{mmcu=*:%*})\
+%:device_to_data_start(%{mmcu=*:%*})"
#define LIB_SPEC \
"%{!mmcu=at90s1*:%{!mmcu=attiny11:%{!mmcu=attiny12:%{!mmcu=attiny15:%{!mmcu=attiny28: -lc }}}}}"
#define LIBGCC_SPEC \
"%{!mmcu=at90s1*:%{!mmcu=attiny11:%{!mmcu=attiny12:%{!mmcu=attiny15:%{!mmcu=attiny28: -lgcc }}}}}"
-#define STARTFILE_SPEC "%(crt_binutils)"
+#define STARTFILE_SPEC "%:device_to_startfile(%{mmcu=*:%*})"
#define ENDFILE_SPEC ""
-#define CRT_BINUTILS_SPECS "\
-%{mmcu=at90s1200|mmcu=avr1:crts1200.o%s} \
-%{mmcu=attiny11:crttn11.o%s} \
-%{mmcu=attiny12:crttn12.o%s} \
-%{mmcu=attiny15:crttn15.o%s} \
-%{mmcu=attiny28:crttn28.o%s} \
-%{!mmcu*|mmcu=at90s8515|mmcu=avr2:crts8515.o%s} \
-%{mmcu=at90s2313:crts2313.o%s} \
-%{mmcu=at90s2323:crts2323.o%s} \
-%{mmcu=at90s2333:crts2333.o%s} \
-%{mmcu=at90s2343:crts2343.o%s} \
-%{mmcu=attiny22:crttn22.o%s} \
-%{mmcu=attiny26:crttn26.o%s} \
-%{mmcu=at90s4433:crts4433.o%s} \
-%{mmcu=at90s4414:crts4414.o%s} \
-%{mmcu=at90s4434:crts4434.o%s} \
-%{mmcu=at90c8534:crtc8534.o%s} \
-%{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=attiny84:crttn84.o%s} \
-%{mmcu=attiny25:crttn25.o%s} \
-%{mmcu=attiny45:crttn45.o%s} \
-%{mmcu=attiny85:crttn85.o%s} \
-%{mmcu=attiny261:crttn261.o%s} \
-%{mmcu=attiny461:crttn461.o%s} \
-%{mmcu=attiny861:crttn861.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=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=atmega163:crtm163.o%s} \
-%{mmcu=atmega164p:crtm164p.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=atmega644:crtm644.o%s} \
-%{mmcu=atmega644p:crtm644p.o%s} \
-%{mmcu=atmega645:crtm645.o%s} \
-%{mmcu=atmega6450:crtm6450.o%s} \
-%{mmcu=atmega649:crtm649.o%s} \
-%{mmcu=atmega6490:crtm6490.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=at90pwm216:crt90pwm216.o%s} \
-%{mmcu=at90pwm316:crt90pwm316.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=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},
-
/* This is the default without any -mmcu=* option (AT90S*). */
#define MULTILIB_DEFAULTS { "mmcu=avr2" }
-/* This is undefined macro for collect2 disabling */
-#define LINKER_NAME "ld"
-
#define TEST_HARD_REG_CLASS(CLASS, REGNO) \
TEST_HARD_REG_BIT (reg_class_contents[ (int) (CLASS)], REGNO)
/* A C structure for machine-specific, per-function data.
This is added to the cfun structure. */
-struct machine_function GTY(())
+struct GTY(()) machine_function
{
- /* '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 a 'main' function
as specified by the "OS_main" attribute. */
int is_OS_main;
+
+ /* Current function stack size. */
+ int stack_usage;
};
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