forked from KolibriOS/kolibrios
37 lines
1.5 KiB
C
37 lines
1.5 KiB
C
/* Definitions for Intel 386 ELF systems.
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Copyright (C) 2015 Free Software Foundation, Inc.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifdef __i386__
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/* Used by crtstuff.c to initialize the base of data-relative relocations.
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These are GOT relative on x86, so return the pic register. */
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#define CRT_GET_RFIB_DATA(BASE) \
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__asm__ ("call\t.LPR%=\n" \
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".LPR%=:\n\t" \
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"pop{l}\t%0\n\t" \
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/* Due to a GAS bug, this cannot use EAX. That encodes \
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smaller than the traditional EBX, which results in the \
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offset being off by one. */ \
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"add{l}\t{$_GLOBAL_OFFSET_TABLE_+[.-.LPR%=],%0" \
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"|%0,_GLOBAL_OFFSET_TABLE_+(.-.LPR%=)}" \
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: "=d"(BASE))
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#endif
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