1 /* Copyright (C) 1992-2021 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 Contributed by Brendan Kehoe (brendan@zen.org). 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library. If not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #include <sgidefs.h> 20 #include <sysdeps/unix/sysdep.h> 21 22 #ifndef __mips_isa_rev 23 # define __mips_isa_rev 0 24 #endif 25 26 #ifdef __ASSEMBLER__ 27 28 #include <regdef.h> 29 30 #define ENTRY(name) \ 31 .globl name; \ 32 .align 2; \ 33 .ent name,0; \ 34 name##: \ 35 cfi_startproc; 36 37 #undef END 38 #define END(function) \ 39 cfi_endproc; \ 40 .end function; \ 41 .size function,.-function 42 43 #define ret j ra ; nop 44 45 #undef PSEUDO_END 46 #define PSEUDO_END(sym) cfi_endproc; .end sym; .size sym,.-sym 47 48 #define PSEUDO_NOERRNO(name, syscall_name, args) \ 49 .align 2; \ 50 ENTRY(name) \ 51 .set nomips16; \ 52 .set noreorder; \ 53 li v0, SYS_ify(syscall_name); \ 54 syscall 55 56 #undef PSEUDO_END_NOERRNO 57 #define PSEUDO_END_NOERRNO(sym) cfi_endproc; .end sym; .size sym,.-sym 58 59 #define ret_NOERRNO ret 60 61 #define PSEUDO_ERRVAL(name, syscall_name, args) \ 62 .align 2; \ 63 ENTRY(name) \ 64 .set nomips16; \ 65 .set noreorder; \ 66 li v0, SYS_ify(syscall_name); \ 67 syscall 68 69 #undef PSEUDO_END_ERRVAL 70 #define PSEUDO_END_ERRVAL(sym) cfi_endproc; .end sym; .size sym,.-sym 71 72 #define ret_ERRVAL ret 73 74 #define r0 v0 75 #define r1 v1 76 /* The mips move insn is d,s. */ 77 #define MOVE(x,y) move y , x 78 79 #if _MIPS_SIM == _ABIO32 80 # define L(label) $L ## label 81 #else 82 # define L(label) .L ## label 83 #endif 84 85 #endif 86