102 lines
3.8 KiB
C
102 lines
3.8 KiB
C
/* Definitions for MIPS running Linux-based GNU systems with ELF format
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using n32/64 abi.
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Copyright 2002, 2003 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC 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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GCC 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 GCC; 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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/* This sets the post-install default ABI to n32. This must NOT be
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kept in sync with the default ABI in gcc/config.gcc; it's actually
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meant to override that. However, for correct behavior at build
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time, we also need t-linux64 to get the build-time specs in line
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with the setting in config.gcc. */
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#define DRIVER_DEFAULT_ABI_SELF_SPEC "%{!mabi=*:-mabi=n32}"
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#undef SUBTARGET_EXTRA_SPECS
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#define SUBTARGET_EXTRA_SPECS \
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{ "driver_default_abi_self_spec", DRIVER_DEFAULT_ABI_SELF_SPEC },
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#define DRIVER_SELF_SPECS \
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"%{!EB:%{!EL:%(endian_spec)}}", \
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"%{mabi-fake-default:%{!mabi=*:-mabi=32}}", \
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"%(driver_default_abi_self_spec)", \
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"%{!mips*:%{!march=*:%{mabi=32:-mips1}%{mabi=n32|mabi=64:-mips3}}}"
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#undef SUBTARGET_TARGET_SWITCHES
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#define SUBTARGET_TARGET_SWITCHES \
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{ "abi-fake-default", 0, N_("Same as -mabi=32, just trickier") },
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#undef SUBTARGET_ASM_SPEC
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#define SUBTARGET_ASM_SPEC "\
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%{!fno-PIC:%{!fno-pic:-KPIC}} \
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%{fno-PIC:-non_shared} %{fno-pic:-non_shared} \
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%{mabi=64:-64} %{mabi=n32:-n32}"
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#undef LIB_SPEC
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#define LIB_SPEC "\
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%{!static: \
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%{mabi=n32:-rpath-link %R/lib32:%R/usr/lib32} \
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%{mabi=64:-rpath-link %R/lib64:%R/usr/lib64} \
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%{mabi=32:-rpath-link %R/lib:%R/usr/lib}} \
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%{!shared: %{pthread:-lthread} %{profile:-lc_p} %{!profile: -lc}}"
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#undef LINK_SPEC
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#define LINK_SPEC "\
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%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{mips4} \
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%{bestGnum} %{shared} %{non_shared} \
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%{call_shared} %{no_archive} %{exact_version} \
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%(endian_spec) \
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%{!shared: \
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%{!ibcs: \
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%{!static: \
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%{rdynamic:-export-dynamic} \
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%{!dynamic-linker: \
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%{mabi=n32: -dynamic-linker /lib32/ld.so.1} \
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%{mabi=64: -dynamic-linker /lib64/ld.so.1} \
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%{mabi=32: -dynamic-linker /lib/ld.so.1}}} \
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%{static:-static}}} \
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%{mabi=n32:-melf32%{EB:b}%{EL:l}tsmipn32} \
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%{mabi=64:-melf64%{EB:b}%{EL:l}tsmip} \
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%{mabi=32:-melf32%{EB:b}%{EL:l}tsmip}"
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#undef STARTFILE_PREFIX_SPEC
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#define STARTFILE_PREFIX_SPEC "\
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%{mabi=n32: /lib32/ /usr/lib32/} \
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%{mabi=64: /lib64/ /usr/lib64/} \
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%{mabi=32: /lib/ /usr/lib/}"
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#undef LOCAL_LABEL_PREFIX
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#define LOCAL_LABEL_PREFIX ((mips_abi == ABI_32 || mips_abi == ABI_O64) \
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? "$" : ".")
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/* The size in bytes of a DWARF field indicating an offset or length
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relative to a debug info section, specified to be 4 bytes in the DWARF-2
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specification. The SGI/MIPS ABI defines it to be the same as PTR_SIZE. */
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#define DWARF_OFFSET_SIZE PTR_SIZE
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#undef ASM_PREFERRED_EH_DATA_FORMAT
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#if 0 /* We can't use relative addressing modes on NEWABI :-( */
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#define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) \
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(flag_pic \
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? ((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_sdata4 \
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: DW_EH_PE_absptr)
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#endif
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/* GNU/Linux doesn't use the same floating-point format that IRIX uses
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for long double. There's no need to override this here, since
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ieee_quad_format is the default, but let's put this here to make
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sure nobody thinks we just forgot to set it to something else. */
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#define MIPS_TFMODE_FORMAT mips_quad_format
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