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65 lines
2.2 KiB
C
65 lines
2.2 KiB
C
/* Copyright (C) 1992-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Alexandre Oliva <aoliva@redhat.com>.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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#include <sysdeps/unix/mips/sysdep.h>
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#ifdef __ASSEMBLER__
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/* Note that while it's better structurally, going back to call __syscall_error
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can make things confusing if you're debugging---it looks like it's jumping
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backwards into the previous fn. */
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#ifdef __PIC__
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#define PSEUDO(name, syscall_name, args) \
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.align 2; \
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.set nomips16; \
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cfi_startproc; \
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99:; \
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.set noat; \
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.cpsetup t9, $1, name; \
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cfi_register (gp, $1); \
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.set at; \
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la t9,__syscall_error; \
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.cpreturn; \
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cfi_restore (gp); \
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jr t9; \
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cfi_endproc; \
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ENTRY(name) \
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li v0, SYS_ify(syscall_name); \
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syscall; \
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bne a3, zero, 99b; \
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L(syse1):
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#else
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#define PSEUDO(name, syscall_name, args) \
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.set noreorder; \
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.align 2; \
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.set nomips16; \
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cfi_startproc; \
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99: j __syscall_error; \
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nop; \
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cfi_endproc; \
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ENTRY(name) \
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.set noreorder; \
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li v0, SYS_ify(syscall_name); \
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syscall; \
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.set reorder; \
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bne a3, zero, 99b; \
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L(syse1):
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#endif
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#endif
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