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 <sysdeps/unix/mips/sysdep.h>
      19  
      20  #ifdef __ASSEMBLER__
      21  #include <sys/asm.h>
      22  
      23  /* Note that while it's better structurally, going back to call __syscall_error
      24     can make things confusing if you're debugging---it looks like it's jumping
      25     backwards into the previous fn.  */
      26  #ifdef __PIC__
      27  #define PSEUDO(name, syscall_name, args) \
      28    .align 2;								      \
      29    .set nomips16;							      \
      30    cfi_startproc;							      \
      31    99:;									      \
      32    .set noat;								      \
      33    .cpsetup t9, $1, name;						      \
      34    cfi_register (gp, $1);						      \
      35    .set at;								      \
      36    PTR_LA t9,__syscall_error;						      \
      37    .cpreturn;								      \
      38    cfi_restore (gp);							      \
      39    jr t9;								      \
      40    cfi_endproc;								      \
      41    ENTRY(name)								      \
      42    li v0, SYS_ify(syscall_name);						      \
      43    syscall;								      \
      44    bne a3, zero, 99b;							      \
      45  L(syse1):
      46  #else
      47  #define PSEUDO(name, syscall_name, args) \
      48    .set noreorder;							      \
      49    .align 2;								      \
      50    .set nomips16;							      \
      51    cfi_startproc;							      \
      52    99: j __syscall_error;						      \
      53    nop;                                                                        \
      54    cfi_endproc;								      \
      55    ENTRY(name)								      \
      56    .set noreorder;							      \
      57    li v0, SYS_ify(syscall_name);						      \
      58    syscall;								      \
      59    .set reorder;								      \
      60    bne a3, zero, 99b;							      \
      61  L(syse1):
      62  #endif
      63  
      64  #endif