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Diffstat (limited to 'gcc/config/sparc/linux-aout.h')
| -rwxr-xr-x | gcc/config/sparc/linux-aout.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/gcc/config/sparc/linux-aout.h b/gcc/config/sparc/linux-aout.h new file mode 100755 index 0000000..76d7653 --- /dev/null +++ b/gcc/config/sparc/linux-aout.h @@ -0,0 +1,130 @@ +/* Definitions for SPARC running Linux-based GNU systems with a.out. + Copyright (C) 1996, 1997 Free Software Foundation, Inc. + Contributed by Eddie C. Dost (ecd@skynet.be) + +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. */ + +#include <aoutos.h> +#include <sparc/sparc.h> + +/* Don't assume anything about the header files. */ +#define NO_IMPLICIT_EXTERN_C + +#undef HAVE_ATEXIT +#define HAVE_ATEXIT + +/* GNU/Linux uses ctype from glibc.a. I am not sure how complete it is. + For now, we play safe. It may change later. */ + +#if 0 +#undef MULTIBYTE_CHARS +#define MULTIBYTE_CHARS 1 +#endif + +/* We need that too. */ +#define HANDLE_SYSV_PRAGMA + +#undef MD_EXEC_PREFIX +#undef MD_STARTFILE_PREFIX + +/* Output at beginning of assembler file. */ +/* The .file command should always begin the output. */ +#undef ASM_FILE_START +#define ASM_FILE_START(FILE) \ + do { \ + output_file_directive (FILE, main_input_filename); \ + fprintf (FILE, "\t.version\t\"01.01\"\n"); \ + } while (0) + +#undef STARTFILE_SPEC +#define STARTFILE_SPEC "%{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}} %{static:-static}" + +#undef TARGET_VERSION +#define TARGET_VERSION fprintf (stderr, " (sparc GNU/Linux with a.out)"); + +#undef SIZE_TYPE +#define SIZE_TYPE "unsigned int" + +#undef PTRDIFF_TYPE +#define PTRDIFF_TYPE "int" + +#undef WCHAR_TYPE +#define WCHAR_TYPE "long int" + +#undef WCHAR_TYPE_SIZE +#define WCHAR_TYPE_SIZE BITS_PER_WORD + +#undef CPP_PREDEFINES +#define CPP_PREDEFINES "-Dunix -Dsparc -Dlinux -Asystem(unix) -Asystem(posix)" + +#undef CPP_SUBTARGET_SPEC +#define CPP_SUBTARGET_SPEC \ +"%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE}" + +/* Don't default to pcc-struct-return, because gcc is the only compiler, + and we want to retain compatibility with older gcc versions. */ +#define DEFAULT_PCC_STRUCT_RETURN 0 + +#undef LIB_SPEC + +#if 1 +/* We no longer link with libc_p.a or libg.a by default. If you + want to profile or debug the GNU/Linux C library, please add + -lc_p or -ggdb to LDFLAGS at the link time, respectively. */ +#define LIB_SPEC \ +"%{mieee-fp:-lieee} %{p:-lgmon} %{pg:-lgmon} %{!ggdb:-lc} %{ggdb:-lg}" +#else +#define LIB_SPEC \ +"%{mieee-fp:-lieee} %{p:-lgmon -lc_p} %{pg:-lgmon -lc_p} \ + %{!p:%{!pg:%{!g*:-lc} %{g*:-lg -static}}}" +#endif + +#undef LINK_SPEC +#define LINK_SPEC "-m sparclinux" + +/* The sun bundled assembler doesn't accept -Yd, (and neither does gas). + It's safe to pass -s always, even if -g is not used. */ +#undef ASM_SPEC +#define ASM_SPEC \ + "%{V} %{v:%{!V:-V}} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s %{fpic:-K PIC} %{fPIC:-K PIC}" + +#if 0 +/* Define for support of TFmode long double and REAL_ARITHMETIC. + Sparc ABI says that long double is 4 words. GNU/Linux does not support + long double yet. */ +#define LONG_DOUBLE_TYPE_SIZE 128 +#endif + +/* Override MACHINE_STATE_{SAVE,RESTORE} because we have special + traps available which can get and set the condition codes + reliably. */ +#undef MACHINE_STATE_SAVE +#define MACHINE_STATE_SAVE(ID) \ + unsigned long int ms_flags, ms_saveret; \ + asm volatile("ta 0x20\n\t" \ + "mov %%g1, %0\n\t" \ + "mov %%g2, %1\n\t" \ + : "=r" (ms_flags), "=r" (ms_saveret)); + +#undef MACHINE_STATE_RESTORE +#define MACHINE_STATE_RESTORE(ID) \ + asm volatile("mov %0, %%g1\n\t" \ + "mov %1, %%g2\n\t" \ + "ta 0x21\n\t" \ + : /* no outputs */ \ + : "r" (ms_flags), "r" (ms_saveret)); |