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/* Copyright (C) 2009, 2010
Free Software Foundation, Inc.
Contributed by Anatoly Sokolov (aesok@post.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 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
/* Not included in avr.c since this requires C front end. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "tm_p.h"
#include "cpplib.h"
#include "tree.h"
#include "c-family/c-common.h"
#include "langhooks.h"
/* Implement `REGISTER_TARGET_PRAGMAS'. */
void
avr_register_target_pragmas (void)
{
int i;
gcc_assert (ADDR_SPACE_GENERIC == ADDR_SPACE_RAM);
/* Register address spaces. The order must be the same as in the respective
enum from avr.h (or designated initialized must be used in avr.c). */
for (i = 0; avr_addrspace[i].name; i++)
{
gcc_assert (i == avr_addrspace[i].id);
if (!ADDR_SPACE_GENERIC_P (i))
c_register_addr_space (avr_addrspace[i].name, avr_addrspace[i].id);
}
}
/* Transorm LO into uppercase and write the result to UP.
You must provide enough space for UP. Return UP. */
static char*
avr_toupper (char *up, const char *lo)
{
char *up0 = up;
for (; *lo; lo++, up++)
*up = TOUPPER (*lo);
*up = '\0';
return up0;
}
/* Worker function for TARGET_CPU_CPP_BUILTINS. */
static const char *const avr_builtin_name[] =
{
#define DEF_BUILTIN(NAME, N_ARGS, ID, TYPE, CODE) NAME,
#include "builtins.def"
#undef DEF_BUILTIN
NULL
};
void
avr_cpu_cpp_builtins (struct cpp_reader *pfile)
{
int i;
builtin_define_std ("AVR");
if (avr_current_arch->macro)
cpp_define_formatted (pfile, "__AVR_ARCH__=%s", avr_current_arch->macro);
if (avr_current_device->macro)
cpp_define (pfile, avr_current_device->macro);
if (AVR_HAVE_RAMPD) cpp_define (pfile, "__AVR_HAVE_RAMPD__");
if (AVR_HAVE_RAMPX) cpp_define (pfile, "__AVR_HAVE_RAMPX__");
if (AVR_HAVE_RAMPY) cpp_define (pfile, "__AVR_HAVE_RAMPY__");
if (AVR_HAVE_RAMPZ) cpp_define (pfile, "__AVR_HAVE_RAMPZ__");
if (AVR_HAVE_ELPM) cpp_define (pfile, "__AVR_HAVE_ELPM__");
if (AVR_HAVE_ELPMX) cpp_define (pfile, "__AVR_HAVE_ELPMX__");
if (AVR_HAVE_MOVW) cpp_define (pfile, "__AVR_HAVE_MOVW__");
if (AVR_HAVE_LPMX) cpp_define (pfile, "__AVR_HAVE_LPMX__");
if (avr_current_arch->asm_only)
cpp_define (pfile, "__AVR_ASM_ONLY__");
if (AVR_HAVE_MUL)
{
cpp_define (pfile, "__AVR_ENHANCED__");
cpp_define (pfile, "__AVR_HAVE_MUL__");
}
if (avr_current_arch->have_jmp_call)
{
cpp_define (pfile, "__AVR_MEGA__");
cpp_define (pfile, "__AVR_HAVE_JMP_CALL__");
}
if (AVR_XMEGA)
cpp_define (pfile, "__AVR_XMEGA__");
if (avr_current_arch->have_eijmp_eicall)
{
cpp_define (pfile, "__AVR_HAVE_EIJMP_EICALL__");
cpp_define (pfile, "__AVR_3_BYTE_PC__");
}
else
{
cpp_define (pfile, "__AVR_2_BYTE_PC__");
}
if (AVR_HAVE_8BIT_SP)
cpp_define (pfile, "__AVR_HAVE_8BIT_SP__");
else
cpp_define (pfile, "__AVR_HAVE_16BIT_SP__");
if (avr_sp8)
cpp_define (pfile, "__AVR_SP8__");
if (AVR_HAVE_SPH)
cpp_define (pfile, "__AVR_HAVE_SPH__");
if (TARGET_NO_INTERRUPTS)
cpp_define (pfile, "__NO_INTERRUPTS__");
if (avr_current_device->errata_skip)
{
cpp_define (pfile, "__AVR_ERRATA_SKIP__");
if (avr_current_arch->have_jmp_call)
cpp_define (pfile, "__AVR_ERRATA_SKIP_JMP_CALL__");
}
cpp_define_formatted (pfile, "__AVR_SFR_OFFSET__=0x%x",
avr_current_arch->sfr_offset);
#ifdef WITH_AVRLIBC
cpp_define (pfile, "__WITH_AVRLIBC__");
#endif /* WITH_AVRLIBC */
/* Define builtin macros so that the user can easily query if or if not
non-generic address spaces (and which) are supported.
This is only supported for C. For C++, a language extension is needed
(as mentioned in ISO/IEC DTR 18037; Annex F.2) which is not
implemented in GCC up to now. */
if (!strcmp (lang_hooks.name, "GNU C"))
{
for (i = 0; avr_addrspace[i].name; i++)
if (!ADDR_SPACE_GENERIC_P (i)
/* Only supply __FLASH<n> macro if the address space is reasonable
for this target. The address space qualifier itself is still
supported, but using it will throw an error. */
&& avr_addrspace[i].segment < avr_current_device->n_flash)
{
const char *name = avr_addrspace[i].name;
char *Name = (char*) alloca (1 + strlen (name));
cpp_define_formatted (pfile, "%s=%s",
avr_toupper (Name, name), name);
}
}
/* Define builtin macros so that the user can easily query if or
if not a specific builtin is available. */
for (i = 0; avr_builtin_name[i]; i++)
{
const char *name = avr_builtin_name[i];
char *Name = (char*) alloca (1 + strlen (name));
cpp_define (pfile, avr_toupper (Name, name));
}
/* Builtin macros for the __int24 and __uint24 type. */
cpp_define (pfile, "__INT24_MAX__=8388607L");
cpp_define (pfile, "__INT24_MIN__=(-__INT24_MAX__-1)");
cpp_define (pfile, "__UINT24_MAX__=16777215UL");
}
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