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2ad7600be7
I've moved the MIPS port from ports to the main sysdeps hierarchy. Beyond the README update, the move of the files was simply git mv ports/sysdeps/mips sysdeps/mips git mv ports/sysdeps/unix/mips sysdeps/unix/mips git mv ports/sysdeps/unix/sysv/linux/mips sysdeps/unix/sysv/linux/mips and in addition to the ChangeLog entries here, I put a note at the top of ports/ChangeLog.mips similar to those in other files. Tested that disassembly of installed shared libraries for mips is the same before and after this patch (except for ld.so where paths in assertions are involved, as for arm). * sysdeps/mips: Move directory from ports/sysdeps/mips. * sysdeps/unix/mips: Move directory from ports/sysdeps/unix/mips. * sysdeps/unix/sysv/linux/mips: Move directory from ports/sysdeps/unix/sysv/linux/mips. * README: Update listing for mips-*-linux-gnu and mips64-*-linux-gnu. * sysdeps/mips: Move directory to ../sysdeps/mips. * sysdeps/unix/mips: Move directory to ../sysdeps/unix/mips. * sysdeps/unix/sysv/linux/mips: Move directory to ../sysdeps/unix/sysv/linux/mips.
64 lines
1.6 KiB
ArmAsm
64 lines
1.6 KiB
ArmAsm
/* Copyright (C) 2001-2014 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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 <sysdep.h>
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#include <sys/asm.h>
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/* Usage:
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long syscall (syscall_number, arg1, arg2, arg3, arg4, arg5, arg6, arg7)
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We need to do some arg shifting, syscall_number will be in v0. */
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.text
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NESTED (syscall, SZREG, ra)
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.mask 0x00010000, -SZREG
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.fmask 0x00000000, 0
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PTR_ADDIU sp, -SZREG
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cfi_adjust_cfa_offset (SZREG)
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REG_S s0, (sp)
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cfi_rel_offset (s0, 0)
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move s0, a0
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move a0, a1 /* shift arg1 - arg7. */
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move a1, a2
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move a2, a3
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move a3, a4
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move a4, a5
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move a5, a6
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move a6, a7
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move v0, s0 /* Syscall number -> v0 */
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syscall /* Do the system call. */
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REG_L s0, (sp)
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cfi_restore (s0)
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PTR_ADDIU sp, SZREG
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cfi_adjust_cfa_offset (-SZREG)
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bne a3, zero, L(error)
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ret
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L(error):
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SETUP_GP64_REG (a0, syscall)
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PTR_LA t9, __syscall_error
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RESTORE_GP64_REG
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jr t9
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END (syscall)
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