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Diffstat (limited to 'gcc-4.9/gcc/config/s390/tpf.h')
| -rw-r--r-- | gcc-4.9/gcc/config/s390/tpf.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/s390/tpf.h b/gcc-4.9/gcc/config/s390/tpf.h new file mode 100644 index 000000000..e71037479 --- /dev/null +++ b/gcc-4.9/gcc/config/s390/tpf.h @@ -0,0 +1,118 @@ +/* Definitions for target OS TPF for GNU compiler, for IBM S/390 hardware + Copyright (C) 2003-2014 Free Software Foundation, Inc. + Contributed by P.J. Darcy (darcypj@us.ibm.com), + Hartmut Penner (hpenner@de.ibm.com), and + Ulrich Weigand (uweigand@de.ibm.com). + +This file is part of GCC. + +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 3, or (at your option) any later +version. + +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 GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +#ifndef _TPF_H +#define _TPF_H + +/* TPF wants the following macros defined/undefined as follows. */ +#undef TARGET_TPF +#define TARGET_TPF 1 +#undef ASM_APP_ON +#define ASM_APP_ON "#APP\n" +#undef ASM_APP_OFF +#define ASM_APP_OFF "#NO_APP\n" +#define NO_IMPLICIT_EXTERN_C +#define TARGET_POSIX_IO + +#undef SIZE_TYPE +#define SIZE_TYPE ("long unsigned int") +#undef PTRDIFF_TYPE +#define PTRDIFF_TYPE ("long int") +#undef WCHAR_TYPE +#define WCHAR_TYPE "int" +#undef WCHAR_TYPE_SIZE +#define WCHAR_TYPE_SIZE 32 + + +/* TPF OS specific stack-pointer offset. */ +#undef STACK_POINTER_OFFSET +#define STACK_POINTER_OFFSET 448 + +/* When building for TPF, set a generic default target that is 64 bits. Also + enable TPF profiling support and the standard backchain by default. */ +#undef TARGET_DEFAULT +#define TARGET_DEFAULT (MASK_TPF_PROFILING | MASK_64BIT | MASK_ZARCH \ + | MASK_HARD_DFP | MASK_BACKCHAIN) + +/* Exception handling. */ + +/* Select a format to encode pointers in exception handling data. */ +#undef ASM_PREFERRED_EH_DATA_FORMAT +#define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) DW_EH_PE_absptr + +/* TPF OS specific compiler settings. */ +#undef TARGET_OS_CPP_BUILTINS +#define TARGET_OS_CPP_BUILTINS() \ + do \ + { \ + builtin_define_std ("tpf"); \ + builtin_assert ("system=tpf"); \ + builtin_define ("__ELF__"); \ + } \ + while (0) + + +#define EXTRA_SPECS \ + { "entry_spec", ENTRY_SPEC } + +/* Make TPF specific spec file settings here. */ + +#undef STARTFILE_SPEC +#define STARTFILE_SPEC \ + "%{mmain:crt0%O%s} crtbeginS%O%s crt3%O%s" + +#undef ENDFILE_SPEC +#define ENDFILE_SPEC "crtendS%O%s" + +#undef CC1_SPEC +#define CC1_SPEC "%{!fverbose-asm: -fverbose-asm}" + +/* The GNU C++ standard library requires that these macros be defined. */ +#undef CPLUSPLUS_CPP_SPEC +#define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)" + +#undef ASM_SPEC +#define ASM_SPEC "%{m31&m64}%{mesa&mzarch}%{march=*} \ + -alshd=%b.lst" + +#define ENTRY_SPEC "%{mmain:-entry=_start} \ + %{!mmain:-entry=0}" + +/* All linking is done shared on TPF-OS. */ +/* FIXME: When binutils patch for new emulation is committed + then change emulation to elf64_s390_tpf. */ +#undef LINK_SPEC +#define LINK_SPEC \ + "-m elf64_s390 \ + %{static:%estatic is not supported on TPF-OS} \ + %{shared: -shared} \ + %{!shared:-shared} \ + %(entry_spec)" + +/* IBM copies these libraries over with these names. */ +#define MATH_LIBRARY "CLBM" +#define LIBSTDCXX "CPP2" + +#undef TARGET_LIBC_HAS_FUNCTION +#define TARGET_LIBC_HAS_FUNCTION gnu_libc_has_function + +#endif /* ! _TPF_H */ |