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/* Definitions for ELF assembler support.
Copyright (C) 1999 Free Software Foundation, Inc.
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. */
/* So we can conditionalize small amounts of code in pa.c or pa.md. */
#define OBJ_ELF
#define ENDFILE_SPEC "crtend.o%s"
#define STARTFILE_SPEC "%{!shared: \
%{!symbolic: \
%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}}\
crtbegin.o%s"
#define TEXT_SECTION_ASM_OP "\t.text"
#define DATA_SECTION_ASM_OP "\t.data"
#define BSS_SECTION_ASM_OP "\t.section\t.bss"
#define TARGET_ASM_FILE_START pa_elf_file_start
#undef ASM_DECLARE_FUNCTION_NAME
#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
do { \
if (TREE_PUBLIC (DECL)) \
{ \
fputs ("\t.EXPORT ", FILE); \
assemble_name (FILE, NAME); \
fputs (",ENTRY\n", FILE); \
} \
} while (0)
/* This is how to output a command to make the user-level label named NAME
defined for reference from other files.
We call assemble_name, which in turn sets TREE_SYMBOL_REFERENCED. This
macro will restore the original value of TREE_SYMBOL_REFERENCED to avoid
placing useless function definitions in the output file.
Also note that the SOM based tools need the symbol imported as a CODE
symbol, while the ELF based tools require the symbol to be imported as
an ENTRY symbol. What a crock. */
#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
do { int save_referenced; \
save_referenced = TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (DECL)); \
fputs ("\t.IMPORT ", FILE); \
assemble_name (FILE, NAME); \
if (FUNCTION_NAME_P (NAME)) \
fputs (",ENTRY\n", FILE); \
else \
fputs (",DATA\n", FILE); \
TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (DECL)) = save_referenced; \
} while (0)
/* The bogus HP assembler requires ALL external references to be
"imported", even library calls. They look a bit different, so
here's this macro.
Also note not all libcall names are passed to
targetm.encode_section_info (__main for example). To make sure all
libcall names have section info recorded in them, we do it here. */
#undef ASM_OUTPUT_EXTERNAL_LIBCALL
#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, RTL) \
do { fputs ("\t.IMPORT ", FILE); \
if (!function_label_operand (RTL, VOIDmode)) \
hppa_encode_label (RTL); \
assemble_name (FILE, XSTR ((RTL), 0)); \
fputs (",ENTRY\n", FILE); \
} while (0)
/* Biggest alignment supported by the object file format of this
machine. Use this macro to limit the alignment which can be
specified using the `__attribute__ ((aligned (N)))' construct. If
not defined, the default value is `BIGGEST_ALIGNMENT'. */
#define MAX_OFILE_ALIGNMENT (32768 * 8)
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