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Diffstat (limited to 'lib/libc/mips/gen/_setjmp.S')
| -rw-r--r-- | lib/libc/mips/gen/_setjmp.S | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/lib/libc/mips/gen/_setjmp.S b/lib/libc/mips/gen/_setjmp.S deleted file mode 100644 index 10c4cda5e0c1..000000000000 --- a/lib/libc/mips/gen/_setjmp.S +++ /dev/null @@ -1,200 +0,0 @@ -/* $NetBSD: _setjmp.S,v 1.20.34.5 2010/02/03 23:46:47 matt Exp $ */ - -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Ralph Campbell. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <machine/asm.h> -__FBSDID("$FreeBSD$"); - -#include "SYS.h" - -#if defined(LIBC_SCCS) && !defined(lint) -#if 0 - RCSID("from: @(#)_setjmp.s 8.1 (Berkeley) 6/4/93") -#else - RCSID("$NetBSD: _setjmp.S,v 1.20.34.5 2010/02/03 23:46:47 matt Exp $") -#endif -#endif /* LIBC_SCCS and not lint */ - -/* - * C library -- _setjmp, _longjmp - * - * _longjmp(a,v) - * will generate a "return(v)" from - * the last call to - * _setjmp(a) - * by restoring registers from the stack, - * The previous signal state is NOT restored. - */ - - .set noreorder - -LEAF(_setjmp) - REG_PROLOGUE - REG_LI v0, _JB_MAGIC__SETJMP # sigcontext magic number - REG_S v0, (_JB_MAGIC * SZREG)(a0) - REG_S ra, (_JB_REG_RA * SZREG)(a0) - /* - * From "MIPSpro N32 ABI Handbook", Table 2-1: - * Registers s0..s7 are callee-saved. - * The sp register is callee-saved. - * The fp (or s8) register is callee-saved. - * The gp register is callee-saved (for n32/n64). - */ - REG_S s0, (_JB_REG_S0 * SZREG)(a0) - REG_S s1, (_JB_REG_S1 * SZREG)(a0) - REG_S s2, (_JB_REG_S2 * SZREG)(a0) - REG_S s3, (_JB_REG_S3 * SZREG)(a0) - REG_S s4, (_JB_REG_S4 * SZREG)(a0) - REG_S s5, (_JB_REG_S5 * SZREG)(a0) - REG_S s6, (_JB_REG_S6 * SZREG)(a0) - REG_S s7, (_JB_REG_S7 * SZREG)(a0) - REG_S sp, (_JB_REG_SP * SZREG)(a0) - REG_S s8, (_JB_REG_S8 * SZREG)(a0) -#if defined(__mips_n32) || defined(__mips_n64) - REG_S gp, (_JB_REG_GP * SZREG)(a0) # newabi gp is callee-saved -#endif - /* - * From "MIPSpro N32 ABI Handbook", Table 2-1: - * In N32, FP registers F20, F22, F24, F26, F28, F30 are callee-saved. - * In N64, FP registers F24 .. F31 are callee-saved. - * In O32, FP registers F20 .. F23 are callee-saved. - */ -#ifndef __mips_soft_float - cfc1 v0, $31 # too bad can't check if FP used -#if defined(__mips_n64) || defined(__mips_n32) - FP_S $f30, (_JB_FPREG_F30 * SZREG)(a0) - FP_S $f28, (_JB_FPREG_F28 * SZREG)(a0) - FP_S $f26, (_JB_FPREG_F26 * SZREG)(a0) - FP_S $f24, (_JB_FPREG_F24 * SZREG)(a0) -#endif -#if defined(__mips_n32) || defined(__mips_o32) || defined(__mips_o64) - FP_S $f22, (_JB_FPREG_F22 * SZREG)(a0) - FP_S $f20, (_JB_FPREG_F20 * SZREG)(a0) -#endif -#if defined(__mips_o32) || defined(__mips_o64) - FP_S $f21, (_JB_FPREG_F21 * SZREG)(a0) - FP_S $f23, (_JB_FPREG_F23 * SZREG)(a0) -#endif -#if defined(__mips_n64) - FP_S $f25, (_JB_FPREG_F25 * SZREG)(a0) - FP_S $f27, (_JB_FPREG_F27 * SZREG)(a0) - FP_S $f29, (_JB_FPREG_F29 * SZREG)(a0) - FP_S $f31, (_JB_FPREG_F31 * SZREG)(a0) -#endif - INT_S v0, (_JB_FPREG_FCSR * SZREG)(a0) -#endif /* ! __mips_soft_float */ - REG_EPILOGUE - - j ra - move v0, zero -END(_setjmp) - -LEAF(_longjmp) - PIC_PROLOGUE(_longjmp) - PTR_SUBU sp, sp, CALLFRAME_SIZ - SAVE_GP(CALLFRAME_GP) - - REG_PROLOGUE - REG_L v0, (_JB_MAGIC * SZREG)(a0) # get magic number - REG_L ra, (_JB_REG_RA * SZREG)(a0) - REG_LI t0, _JB_MAGIC__SETJMP - bne v0, t0, botch # jump if error - PTR_ADDU sp, sp, CALLFRAME_SIZ # does not matter, sanity - /* - * From "MIPSpro N32 ABI Handbook", Table 2-1: - * Registers s0..s7 are callee-saved. - * The sp register is callee-saved. - * The fp (or s8) register is callee-saved. - * The gp register is callee-saved (for n32/n64). - */ - REG_L s0, (_JB_REG_S0 * SZREG)(a0) - REG_L s1, (_JB_REG_S1 * SZREG)(a0) - REG_L s2, (_JB_REG_S2 * SZREG)(a0) - REG_L s3, (_JB_REG_S3 * SZREG)(a0) - REG_L s4, (_JB_REG_S4 * SZREG)(a0) - REG_L s5, (_JB_REG_S5 * SZREG)(a0) - REG_L s6, (_JB_REG_S6 * SZREG)(a0) - REG_L s7, (_JB_REG_S7 * SZREG)(a0) - REG_L sp, (_JB_REG_SP * SZREG)(a0) - REG_L s8, (_JB_REG_S8 * SZREG)(a0) -#if defined(__mips_n32) || defined(__mips_n64) - REG_L gp, (_JB_REG_GP * SZREG)(a0) -#endif -#ifndef __mips_soft_float - # get fpu status - INT_L v0, (_JB_FPREG_FCSR * SZREG)(a0) - ctc1 v0, $31 - /* - * From "MIPSpro N32 ABI Handbook", Table 2-1: - * In N32, FP registers F20, F22, F24, F26, F28, F30 are callee-saved. - * In N64, FP registers F24 .. F31 are callee-saved. - * In O32, FP registers F20 .. F23 are callee-saved. - */ -#if defined(__mips_n64) || defined(__mips_n32) - FP_L $f30, (_JB_FPREG_F30 * SZREG)(a0) - FP_L $f28, (_JB_FPREG_F28 * SZREG)(a0) - FP_L $f26, (_JB_FPREG_F26 * SZREG)(a0) - FP_L $f24, (_JB_FPREG_F24 * SZREG)(a0) -#endif -#if defined(__mips_n32) || defined(__mips_o32) || defined(__mips_o64) - FP_L $f22, (_JB_FPREG_F22 * SZREG)(a0) - FP_L $f20, (_JB_FPREG_F20 * SZREG)(a0) -#endif -#if defined(__mips_o32) || defined(__mips_o64) - FP_L $f21, (_JB_FPREG_F21 * SZREG)(a0) - FP_L $f23, (_JB_FPREG_F23 * SZREG)(a0) -#endif -#if defined(__mips_n64) - FP_L $f25, (_JB_FPREG_F25 * SZREG)(a0) - FP_L $f27, (_JB_FPREG_F27 * SZREG)(a0) - FP_L $f29, (_JB_FPREG_F29 * SZREG)(a0) - FP_L $f31, (_JB_FPREG_F31 * SZREG)(a0) -#endif -#endif /* ! __mips_soft_float */ - - REG_EPILOGUE - move v0, a1 # get return value in 1st arg - j ra - nop - -botch: - /* - * We know we aren't returning so we don't care about restoring - * our caller's GP. - */ - PTR_LA t9, _C_LABEL(longjmperror) - jalr t9 - nop - - PIC_TAILCALL(abort) -END(_longjmp) |