| /* Definitions of target machine for gcc for Hitachi / SuperH SH using ELF. |
| Copyright (C) 1996, 1997, 2000, 2001 Free Software Foundation, Inc. |
| Contributed by Ian Lance Taylor <ian@cygnus.com>. |
| |
| This file is part of GNU CC. |
| |
| GNU CC 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) |
| any later version. |
| |
| GNU CC 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 GNU CC; see the file COPYING. If not, write to |
| the Free Software Foundation, 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| /* Undefine some macros defined in both sh.h and svr4.h. */ |
| #undef IDENT_ASM_OP |
| #undef ASM_FILE_END |
| #undef ASM_OUTPUT_SOURCE_LINE |
| #undef DBX_OUTPUT_MAIN_SOURCE_FILE_END |
| #undef TARGET_ASM_NAMED_SECTION |
| #undef ASM_DECLARE_FUNCTION_NAME |
| #undef MAX_OFILE_ALIGNMENT |
| #undef SIZE_TYPE |
| #undef PTRDIFF_TYPE |
| |
| /* Be ELF-like. */ |
| /* TODO: convert includes to ${tm_file} list in config.gcc. */ |
| #include "dbxelf.h" |
| #include "elfos.h" |
| #include "svr4.h" |
| |
| /* No SDB debugging info. */ |
| #undef SDB_DEBUGGING_INFO |
| |
| /* Generate DWARF2 debugging information and make it the default */ |
| #undef DWARF2_DEBUGGING_INFO |
| #define DWARF2_DEBUGGING_INFO 1 |
| |
| #undef PREFERRED_DEBUGGING_TYPE |
| #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG |
| |
| /* use a more compact format for line information */ |
| #define DWARF2_ASM_LINE_DEBUG_INFO 1 |
| |
| /* WCHAR_TYPE_SIZE is defined to BITS_PER_WORD in svr4.h, but |
| BITS_PER_WORD isn't constant any more. Fortunately, on no SH |
| platform is it wider than 32-bits. */ |
| #define MAX_WCHAR_TYPE_SIZE 32 |
| |
| /* The prefix to add to user-visible assembler symbols. |
| Note that svr4.h redefined it from the original value (that we want) |
| in sh.h */ |
| |
| #undef USER_LABEL_PREFIX |
| #define USER_LABEL_PREFIX "_" |
| |
| #undef LOCAL_LABEL_PREFIX |
| #define LOCAL_LABEL_PREFIX "." |
| |
| #undef ASM_FILE_START |
| #define ASM_FILE_START(FILE) do { \ |
| output_file_directive ((FILE), main_input_filename); \ |
| /* We also need to show the text section with the proper \ |
| attributes as in TEXT_SECTION_ASM_OP, before dwarf2out \ |
| emits it without attributes in TEXT_SECTION, else GAS \ |
| will complain. We can teach GAS specifically about the \ |
| default attributes for our choice of text section, but \ |
| then we would have to change GAS again if/when we change \ |
| the text section name. */ \ |
| fprintf ((FILE), "%s\n", TEXT_SECTION_ASM_OP); \ |
| if (TARGET_LITTLE_ENDIAN) \ |
| fprintf ((FILE), "\t.little\n"); \ |
| } while (0) |
| |
| |
| |
| /* Let code know that this is ELF. */ |
| #define CPP_PREDEFINES "-D__sh__ -D__ELF__ -Acpu=sh -Amachine=sh" |
| |
| #undef SIZE_TYPE |
| #define SIZE_TYPE (TARGET_SH5 ? "long unsigned int" : "unsigned int") |
| |
| #undef PTRDIFF_TYPE |
| #define PTRDIFF_TYPE (TARGET_SH5 ? "long int" : "int") |
| /* Pass -ml and -mrelax to the assembler and linker. */ |
| #undef ASM_SPEC |
| #define ASM_SPEC "%{ml:-little} %{mrelax:-relax} \ |
| %{m5-compact:--isa=SHcompact} %{m5-compact-nofpu:--isa=SHcompact} \ |
| %{m5-32media:--isa=SHmedia --abi=32} %{m5-32media-nofpu:--isa=SHmedia --abi=32} \ |
| %{m5-64media:--isa=SHmedia --abi=64} %{m5-64media-nofpu:--isa=SHmedia --abi=64}" |
| |
| #undef LINK_SPEC |
| #define LINK_SPEC " \ |
| %{m5-compact:%{!ml:-m shelf32} %{ml:-m shlelf32}} \ |
| %{m5-compact-nofpu:%{!ml:-m shelf32} %{ml:-m shlelf32}} \ |
| %{m5-32media:%{!ml:-m shelf32} %{ml:-m shlelf32}} \ |
| %{m5-32media-nofpu:%{!ml:-m shelf32} %{ml:-m shlelf32}} \ |
| %{m5-64media:%{!ml:-m shelf64} %{ml:-m shlelf64}} \ |
| %{m5-64media-nofpu:%{!ml:-m shelf64} %{ml:-m shlelf64}} \ |
| %{!m5-64media:%{!m5-64media-nofpu:%{!m5-32media:%{!m5-32media-nofpu:%{!m5-compact:%{!m5-compact-nofpu:%{ml:-m shlelf}}}}}}} \ |
| %{mrelax:-relax}" |
| |
| /* svr4.h undefined DBX_REGISTER_NUMBER, so we need to define it |
| again. */ |
| #define DBX_REGISTER_NUMBER(REGNO) \ |
| (GENERAL_REGISTER_P (REGNO) \ |
| ? ((REGNO) - FIRST_GENERAL_REG) \ |
| : FP_REGISTER_P (REGNO) \ |
| ? ((REGNO) - FIRST_FP_REG + (TARGET_SH5 ? (TARGET_SHCOMPACT ? 245 \ |
| : 77) : 25)) \ |
| : XD_REGISTER_P (REGNO) \ |
| ? ((REGNO) - FIRST_XD_REG + (TARGET_SH5 ? 289 : 87)) \ |
| : TARGET_REGISTER_P (REGNO) \ |
| ? ((REGNO) - FIRST_TARGET_REG + 68) \ |
| : (REGNO) == PR_REG \ |
| ? (TARGET_SH5 ? 241 : 17) \ |
| : (REGNO) == T_REG \ |
| ? (TARGET_SH5 ? 242 : 18) \ |
| : (REGNO) == GBR_REG \ |
| ? (TARGET_SH5 ? 238 : 19) \ |
| : (REGNO) == MACH_REG \ |
| ? (TARGET_SH5 ? 239 : 20) \ |
| : (REGNO) == MACL_REG \ |
| ? (TARGET_SH5 ? 240 : 21) \ |
| : (REGNO) == FPUL_REG \ |
| ? (TARGET_SH5 ? 244 : 23) \ |
| : (abort(), -1)) |
| |
| #undef ASM_GENERATE_INTERNAL_LABEL |
| #define ASM_GENERATE_INTERNAL_LABEL(STRING, PREFIX, NUM) \ |
| sprintf ((STRING), "*%s%s%ld", LOCAL_LABEL_PREFIX, (PREFIX), (long)(NUM)) |
| |
| #undef ASM_OUTPUT_INTERNAL_LABEL |
| #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \ |
| asm_fprintf ((FILE), "%L%s%d:\n", (PREFIX), (NUM)) |
| |
| #undef ASM_OUTPUT_SOURCE_LINE |
| #define ASM_OUTPUT_SOURCE_LINE(file, line) \ |
| do \ |
| { \ |
| static int sym_lineno = 1; \ |
| asm_fprintf ((file), ".stabn 68,0,%d,%LLM%d-", \ |
| (line), sym_lineno); \ |
| assemble_name ((file), \ |
| XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0));\ |
| asm_fprintf ((file), "\n%LLM%d:\n", sym_lineno); \ |
| sym_lineno += 1; \ |
| } \ |
| while (0) |
| |
| #undef DBX_OUTPUT_MAIN_SOURCE_FILE_END |
| #define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME) \ |
| do { \ |
| text_section (); \ |
| fprintf ((FILE), "\t.stabs \"\",%d,0,0,Letext\nLetext:\n", N_SO); \ |
| } while (0) |
| |
| #undef STARTFILE_SPEC |
| #define STARTFILE_SPEC \ |
| "%{!shared: crt1.o%s} crti.o%s \ |
| %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" |
| |
| #undef ENDFILE_SPEC |
| #define ENDFILE_SPEC \ |
| "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s" |