126 lines
3.9 KiB
C
126 lines
3.9 KiB
C
/* Definitions of target machine for gcc for Hitachi Super-H using ELF.
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Copyright (C) 1996 Free Software Foundation, Inc.
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Contributed by Ian Lance Taylor <ian@cygnus.com>.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* Mostly like the regular SH configuration. */
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#include "sh/sh.h"
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/* No SDB debugging info. */
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#undef SDB_DEBUGGING_INFO
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/* Prefer stabs. */
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#undef PREFERRED_DEBUGGING_TYPE
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#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
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/* Undefine some macros defined in both sh.h and svr4.h. */
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#undef IDENT_ASM_OP
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#undef ASM_FILE_END
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#undef ASM_OUTPUT_SOURCE_LINE
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#undef DBX_OUTPUT_MAIN_SOURCE_FILE_END
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#undef CTORS_SECTION_ASM_OP
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#undef DTORS_SECTION_ASM_OP
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#undef ASM_OUTPUT_SECTION_NAME
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#undef ASM_OUTPUT_CONSTRUCTOR
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#undef ASM_OUTPUT_DESTRUCTOR
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#undef ASM_DECLARE_FUNCTION_NAME
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/* Be ELF-like. */
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#include "svr4.h"
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/* The prefix to add to user-visible assembler symbols.
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Note that svr4.h redefined it from the original value (that we want)
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in sh.h */
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#undef USER_LABEL_PREFIX
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#define USER_LABEL_PREFIX "_"
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#undef LOCAL_LABEL_PREFIX
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#define LOCAL_LABEL_PREFIX "."
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#undef ASM_FILE_START
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#define ASM_FILE_START(FILE) do { \
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output_file_directive ((FILE), main_input_filename); \
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if (TARGET_LITTLE_ENDIAN) \
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fprintf ((FILE), "\t.little\n"); \
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} while (0)
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/* Let code know that this is ELF. */
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#define CPP_PREDEFINES "-D__sh__ -D__ELF__ -Acpu(sh) -Amachine(sh)"
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/* Pass -ml and -mrelax to the assembler and linker. */
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#undef ASM_SPEC
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#define ASM_SPEC "%{ml:-little} %{mrelax:-relax}"
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#undef LINK_SPEC
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#define LINK_SPEC "%{ml:-m shlelf} %{mrelax:-relax}"
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/* svr4.h undefined DBX_REGISTER_NUMBER, so we need to define it
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again. */
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#define DBX_REGISTER_NUMBER(REGNO) \
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(((REGNO) >= 22 && (REGNO) <= 39) ? ((REGNO) + 1) : (REGNO))
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/* SH ELF, unlike most ELF implementations, uses underscores before
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symbol names. */
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#undef ASM_OUTPUT_LABELREF
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#define ASM_OUTPUT_LABELREF(STREAM,NAME) \
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asm_fprintf (STREAM, "%U%s", NAME)
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#undef ASM_GENERATE_INTERNAL_LABEL
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#define ASM_GENERATE_INTERNAL_LABEL(STRING, PREFIX, NUM) \
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sprintf ((STRING), "*%s%s%d", LOCAL_LABEL_PREFIX, (PREFIX), (NUM))
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#undef ASM_OUTPUT_INTERNAL_LABEL
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#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
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asm_fprintf ((FILE), "%L%s%d:\n", (PREFIX), (NUM))
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#undef ASM_OUTPUT_SOURCE_LINE
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#define ASM_OUTPUT_SOURCE_LINE(file, line) \
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do \
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{ \
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static int sym_lineno = 1; \
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asm_fprintf ((file), ".stabn 68,0,%d,%LLM%d-", \
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(line), sym_lineno); \
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assemble_name ((file), \
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XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0));\
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asm_fprintf ((file), "\n%LLM%d:\n", sym_lineno); \
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sym_lineno += 1; \
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} \
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while (0)
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#undef DBX_OUTPUT_MAIN_SOURCE_FILE_END
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#define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME) \
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do { \
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text_section (); \
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fprintf ((FILE), "\t.stabs \"\",%d,0,0,Letext\nLetext:\n", N_SO); \
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} while (0)
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/* Arrange to call __main, rather than using crtbegin.o and crtend.o
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and relying on .init and .fini being executed at appropriate times. */
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#undef INIT_SECTION_ASM_OP
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#undef FINI_SECTION_ASM_OP
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#undef STARTFILE_SPEC
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#undef ENDFILE_SPEC
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/* HANDLE_SYSV_PRAGMA (defined by svr4.h) takes precedence over HANDLE_PRAGMA.
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We want to use the HANDLE_PRAGMA from sh.h. */
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#undef HANDLE_SYSV_PRAGMA
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