1 /* Copyright (C) 1992-2021 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 85