| /* 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"); |
| } |