1  /* Copyright (C) 1992-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library.  If not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <sgidefs.h>
      19  #include <sysdeps/unix/sysdep.h>
      20  
      21  #ifndef __mips_isa_rev
      22  # define __mips_isa_rev 0
      23  #endif
      24  
      25  #ifdef __ASSEMBLER__
      26  
      27  #include <regdef.h>
      28  
      29  #define ENTRY(name) \
      30    .globl name;								      \
      31    .align 2;								      \
      32    .ent name,0;								      \
      33    name##:								      \
      34    cfi_startproc;
      35  
      36  #undef END
      37  #define	END(function)                                   \
      38  		cfi_endproc;				\
      39  		.end	function;		        \
      40  		.size	function,.-function
      41  
      42  #define ret	j ra ; nop
      43  
      44  #undef PSEUDO_END
      45  #define PSEUDO_END(sym) cfi_endproc; .end sym; .size sym,.-sym
      46  
      47  #define PSEUDO_NOERRNO(name, syscall_name, args)	\
      48    .align 2;						\
      49    ENTRY(name)						\
      50    .set nomips16;					\
      51    .set noreorder;					\
      52    li v0, SYS_ify(syscall_name);				\
      53    syscall
      54  
      55  #undef PSEUDO_END_NOERRNO
      56  #define PSEUDO_END_NOERRNO(sym) cfi_endproc; .end sym; .size sym,.-sym
      57  
      58  #define ret_NOERRNO ret
      59  
      60  #define PSEUDO_ERRVAL(name, syscall_name, args)	\
      61    .align 2;						\
      62    ENTRY(name)						\
      63    .set nomips16;					\
      64    .set noreorder;					\
      65    li v0, SYS_ify(syscall_name);				\
      66    syscall
      67  
      68  #undef PSEUDO_END_ERRVAL
      69  #define PSEUDO_END_ERRVAL(sym) cfi_endproc; .end sym; .size sym,.-sym
      70  
      71  #define ret_ERRVAL ret
      72  
      73  #define r0	v0
      74  #define r1	v1
      75  /* The mips move insn is d,s.  */
      76  #define MOVE(x,y)	move y , x
      77  
      78  #if _MIPS_SIM == _ABIO32
      79  # define L(label) $L ## label
      80  #else
      81  # define L(label) .L ## label
      82  #endif
      83  
      84  #endif