diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/mips/getcontext.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/getcontext.S | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/sysdeps/unix/sysv/linux/mips/getcontext.S b/sysdeps/unix/sysv/linux/mips/getcontext.S deleted file mode 100644 index 64de2ebf2e..0000000000 --- a/sysdeps/unix/sysv/linux/mips/getcontext.S +++ /dev/null @@ -1,154 +0,0 @@ -/* Save current context. - Copyright (C) 2009-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Maciej W. Rozycki <macro@codesourcery.com>. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library. If not, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <sys/asm.h> -#include <sys/fpregdef.h> -#include <sys/regdef.h> - -#include "ucontext_i.h" - -/* int getcontext (ucontext_t *ucp) */ - - .text - .set nomips16 -LOCALSZ = 0 -MASK = 0x00000000 -#ifdef __PIC__ -LOCALSZ = 1 /* save gp */ -# if _MIPS_SIM != _ABIO32 -MASK = 0x10000000 -# endif -#endif -FRAMESZ = ((LOCALSZ * SZREG) + ALSZ) & ALMASK -GPOFF = FRAMESZ - (1 * SZREG) - -NESTED (__getcontext, FRAMESZ, ra) - .mask MASK, 0 - .fmask 0x00000000, 0 - -#ifdef __PIC__ - SETUP_GP - - move a2, sp -# define _SP a2 - -# if _MIPS_SIM != _ABIO32 - move a3, gp -# define _GP a3 -# endif - - PTR_ADDIU sp, -FRAMESZ - cfi_adjust_cfa_offset (FRAMESZ) - SETUP_GP64_STACK (GPOFF, __getcontext) - SAVE_GP (GPOFF) - -#else /* ! __PIC__ */ -# define _SP sp -# define _GP gp - -#endif /* ! __PIC__ */ - -#ifdef PROF - .set noat - move AT, ra - jal _mcount - .set at -#endif - - /* Store a magic flag. */ - li v1, 1 - REG_S v1, (0 * SZREG + MCONTEXT_GREGS)(a0) /* zero */ - - REG_S s0, (16 * SZREG + MCONTEXT_GREGS)(a0) - REG_S s1, (17 * SZREG + MCONTEXT_GREGS)(a0) - REG_S s2, (18 * SZREG + MCONTEXT_GREGS)(a0) - REG_S s3, (19 * SZREG + MCONTEXT_GREGS)(a0) - REG_S s4, (20 * SZREG + MCONTEXT_GREGS)(a0) - REG_S s5, (21 * SZREG + MCONTEXT_GREGS)(a0) - REG_S s6, (22 * SZREG + MCONTEXT_GREGS)(a0) - REG_S s7, (23 * SZREG + MCONTEXT_GREGS)(a0) -#if ! defined (__PIC__) || _MIPS_SIM != _ABIO32 - REG_S _GP, (28 * SZREG + MCONTEXT_GREGS)(a0) -#endif - REG_S _SP, (29 * SZREG + MCONTEXT_GREGS)(a0) - REG_S fp, (30 * SZREG + MCONTEXT_GREGS)(a0) - REG_S ra, (31 * SZREG + MCONTEXT_GREGS)(a0) - REG_S ra, MCONTEXT_PC(a0) - -#ifdef __mips_hard_float -# if _MIPS_SIM == _ABI64 - s.d fs0, (24 * SZREG + MCONTEXT_FPREGS)(a0) - s.d fs1, (25 * SZREG + MCONTEXT_FPREGS)(a0) - s.d fs2, (26 * SZREG + MCONTEXT_FPREGS)(a0) - s.d fs3, (27 * SZREG + MCONTEXT_FPREGS)(a0) - s.d fs4, (28 * SZREG + MCONTEXT_FPREGS)(a0) - s.d fs5, (29 * SZREG + MCONTEXT_FPREGS)(a0) - s.d fs6, (30 * SZREG + MCONTEXT_FPREGS)(a0) - s.d fs7, (31 * SZREG + MCONTEXT_FPREGS)(a0) - -# else /* _MIPS_SIM != _ABI64 */ - s.d fs0, (20 * SZREG + MCONTEXT_FPREGS)(a0) - s.d fs1, (22 * SZREG + MCONTEXT_FPREGS)(a0) - s.d fs2, (24 * SZREG + MCONTEXT_FPREGS)(a0) - s.d fs3, (26 * SZREG + MCONTEXT_FPREGS)(a0) - s.d fs4, (28 * SZREG + MCONTEXT_FPREGS)(a0) - s.d fs5, (30 * SZREG + MCONTEXT_FPREGS)(a0) - -# endif /* _MIPS_SIM != _ABI64 */ - - cfc1 v1, fcr31 - sw v1, MCONTEXT_FPC_CSR(a0) -#endif /* __mips_hard_float */ - -/* rt_sigprocmask (SIG_BLOCK, NULL, &ucp->uc_sigmask, _NSIG8) */ - li a3, _NSIG8 - PTR_ADDU a2, a0, UCONTEXT_SIGMASK - move a1, zero - li a0, SIG_BLOCK - - li v0, SYS_ify (rt_sigprocmask) - syscall - bnez a3, 99f - cfi_remember_state - -#ifdef __PIC__ - RESTORE_GP64_STACK - PTR_ADDIU sp, FRAMESZ - cfi_adjust_cfa_offset (-FRAMESZ) -#endif - move v0, zero - jr ra - -99: - cfi_restore_state -#ifdef __PIC__ - PTR_LA t9, JUMPTARGET (__syscall_error) - RESTORE_GP64_STACK - PTR_ADDIU sp, FRAMESZ - cfi_adjust_cfa_offset (-FRAMESZ) - jr t9 - -#else /* ! __PIC__ */ - - j JUMPTARGET (__syscall_error) -#endif /* ! __PIC__ */ -PSEUDO_END (__getcontext) - -weak_alias (__getcontext, getcontext) |