-/* Definitions of target machine for gcc for Hitachi / SuperH SH using ELF.
- Copyright (C) 1996, 1997, 2000, 2001 Free Software Foundation, Inc.
+/* Definitions of target machine for gcc for Renesas / SuperH SH using ELF.
+ Copyright (C) 1996, 1997, 2000, 2001, 2002, 2004, 2005, 2007
+ Free Software Foundation, Inc.
Contributed by Ian Lance Taylor <ian@cygnus.com>.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+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.
-GNU CC is distributed in the hope that it will be useful,
+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 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"
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
-/* No SDB debugging info. */
-#undef SDB_DEBUGGING_INFO
+/* Let sh.c know this is ELF. */
+#undef TARGET_ELF
+#define TARGET_ELF 1
/* Generate DWARF2 debugging information and make it the default */
-#undef DWARF2_DEBUGGING_INFO
#define DWARF2_DEBUGGING_INFO 1
#undef PREFERRED_DEBUGGING_TYPE
/* 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
+/* WCHAR_TYPE / WCHAR_TYPE_SIZE are defined to long int / BITS_PER_WORD in
+ svr4.h, but these work out as 64 bit for shmedia64. */
+#undef WCHAR_TYPE
+/* #define WCHAR_TYPE (TARGET_SH5 ? "int" : "long int") */
+#define WCHAR_TYPE SH_ELF_WCHAR_TYPE
+
+#undef WCHAR_TYPE_SIZE
+#define 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 "_"
+/* The prefix to add to user-visible assembler symbols. */
#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}"
+#define ASM_SPEC SH_ASM_SPEC
#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}"
+#define LINK_SPEC SH_LINK_SPEC
+#undef LINK_EMUL_PREFIX
+#if TARGET_ENDIAN_DEFAULT == MASK_LITTLE_ENDIAN
+#define LINK_EMUL_PREFIX "sh%{!mb:l}elf"
+#else
+#define LINK_EMUL_PREFIX "sh%{ml:l}elf"
+#endif
/* 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))
+#define DBX_REGISTER_NUMBER(REGNO) SH_DBX_REGISTER_NUMBER (REGNO)
#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)
+#define DBX_LINES_FUNCTION_RELATIVE 1
+#define DBX_OUTPUT_NULL_N_SO_AT_MAIN_SOURCE_FILE_END
#undef STARTFILE_SPEC
#define STARTFILE_SPEC \
#undef ENDFILE_SPEC
#define ENDFILE_SPEC \
"%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
+
+/* ASM_OUTPUT_CASE_LABEL is defined in elfos.h. With it,
+ a redundant .align was generated. */
+#undef ASM_OUTPUT_CASE_LABEL
projects / msp430-gcc.git / blobdiff