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Diffstat (limited to 'gcc/config/mips/linux64.h')
| -rw-r--r-- | gcc/config/mips/linux64.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/gcc/config/mips/linux64.h b/gcc/config/mips/linux64.h new file mode 100644 index 00000000000..ef30146c988 --- /dev/null +++ b/gcc/config/mips/linux64.h @@ -0,0 +1,99 @@ +/* Definitions for MIPS running Linux-based GNU systems with ELF format + using n32/64 abi. + Copyright 2002, 2003 Free Software Foundation, Inc. + +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 2, 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 COPYING. If not, write to +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +/* This sets the post-install default ABI to n32. This must NOT be + kept in sync with the default ABI in gcc/config.gcc; it's actually + meant to override that. However, for correct behavior at build + time, we also need t-linux64 to get the build-time specs in line + with the setting in config.gcc. */ +#define DRIVER_DEFAULT_ABI_SELF_SPEC "%{!mabi=*:-mabi=n32}" +#define SUBTARGET_EXTRA_SPECS \ + { "driver_default_abi_self_spec", DRIVER_DEFAULT_ABI_SELF_SPEC }, +#define DRIVER_SELF_SPECS \ +"%{mabi-fake-default:%{!mabi=*:-mabi=32}}", \ +"%(driver_default_abi_self_spec)", \ +"%{!mips*:%{mabi=32:-mips1}%{mabi=n32:-mips3}%{mabi=64:-mips4}}" +#undef SUBTARGET_TARGET_SWITCHES +#define SUBTARGET_TARGET_SWITCHES \ + { "abi-fake-default", 0, N_("Same as -mabi=32, just trickier") }, + +#undef SUBTARGET_ASM_SPEC +#define SUBTARGET_ASM_SPEC "\ +%{!fno-PIC:%{!fno-pic:-KPIC}} \ +%{fno-PIC:-non_shared} %{fno-pic:-non_shared} \ +%{mabi=64:-64} %{mabi=n32:-n32} \ +%{!mips*: %{mabi=n32|mabi=32:-mips3} %{mabi=64:-mips4}}" + +#undef LIB_SPEC +#define LIB_SPEC "\ +%{!static: \ + %{mabi=n32:-rpath-link %R/lib32:%R/usr/lib32} \ + %{mabi=64:-rpath-link %R/lib64:%R/usr/lib64} \ + %{mabi=32:-rpath-link %R/lib:%R/usr/lib}} \ +%{!shared: %{pthread:-lthread} %{profile:-lc_p} %{!profile: -lc}}" + +#undef LINK_SPEC +#define LINK_SPEC "\ +%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{mips4} \ +%{bestGnum} %{shared} %{non_shared} \ +%{call_shared} %{no_archive} %{exact_version} \ + %(endian_spec) \ + %{!shared: \ + %{!ibcs: \ + %{!static: \ + %{rdynamic:-export-dynamic} \ + %{!dynamic-linker: \ + %{mabi=n32: -dynamic-linker /lib32/ld.so.1} \ + %{mabi=64: -dynamic-linker /lib64/ld.so.1} \ + %{mabi=32: -dynamic-linker /lib/ld.so.1}}} \ + %{static:-static}}} \ +%{mabi=n32: -melf32btsmipn32} \ +%{mabi=64: -melf64btsmip} \ +%{mabi=32: -melf32btsmip}" + +#undef STARTFILE_PREFIX_SPEC +#define STARTFILE_PREFIX_SPEC "\ +%{mabi=n32: /lib32/ /usr/lib32/} \ +%{mabi=64: /lib64/ /usr/lib64/} \ +%{mabi=32: /lib/ /usr/lib/}" + +#undef LOCAL_LABEL_PREFIX +#define LOCAL_LABEL_PREFIX ((mips_abi == ABI_32 || mips_abi == ABI_O64) \ + ? "$" : ".") + +/* The size in bytes of a DWARF field indicating an offset or length + relative to a debug info section, specified to be 4 bytes in the DWARF-2 + specification. The SGI/MIPS ABI defines it to be the same as PTR_SIZE. */ +#define DWARF_OFFSET_SIZE PTR_SIZE + +#undef ASM_PREFERRED_EH_DATA_FORMAT +#if 0 /* We can't use relative addressing modes on NEWABI :-( */ +#define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) \ + (flag_pic \ + ? ((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_sdata4 \ + : DW_EH_PE_absptr) +#endif + +/* GNU/Linux doesn't use the same floating-point format that IRIX uses + for long double. There's no need to override this here, since + ieee_quad_format is the default, but let's put this here to make + sure nobody thinks we just forgot to set it to something else. */ +#define MIPS_TFMODE_FORMAT ieee_quad_format |