diff options
Diffstat (limited to 'libc/sysdeps/linux/i960/setjmp.S')
| -rw-r--r-- | libc/sysdeps/linux/i960/setjmp.S | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/libc/sysdeps/linux/i960/setjmp.S b/libc/sysdeps/linux/i960/setjmp.S deleted file mode 100644 index 2525f55d3..000000000 --- a/libc/sysdeps/linux/i960/setjmp.S +++ /dev/null @@ -1,126 +0,0 @@ -/******************************************************************************* - * - * Copyright (c) 1993 Intel Corporation - * - * Intel hereby grants you permission to copy, modify, and distribute this - * software and its documentation. Intel grants this permission provided - * that the above copyright notice appears in all copies and that both the - * copyright notice and this permission notice appear in supporting - * documentation. In addition, Intel grants this permission provided that - * you prominently mark as "not part of the original" any modifications - * made to this software or documentation, and that the name of Intel - * Corporation not be used in advertising or publicity pertaining to - * distribution of the software or the documentation without specific, - * written prior permission. - * - * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR - * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY - * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or - * representations regarding the use of, or the results of the use of, - * the software and documentation in terms of correctness, accuracy, - * reliability, currentness, or otherwise; and you rely on the software, - * documentation and results solely at your own risk. - * - * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, - * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES - * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM - * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. - * - ******************************************************************************/ - -/*************************************************************************** - * - * Modified from the original in order to fit with - * uClibc's setjmp, _setjmp, __sigsetjmp and ___sigjmp_save. - * - * - * int setjmp (jmp_buf __env) is the BSD style setjmp function. - * It simply calls __sigsetjmp(env, 1) - * - * int _setjmp (jmp_buf __env) is the posix style setjmp function. - * It simply calls __sigsetjmp(env, 0) - * This is the one normally used. - * - ***************************************************************************/ - - .text - .align 4 - .globl _setjmp - .globl __setjmp - -_setjmp: - mov 1, g1 /* __sigsetjmp(env, 1) */ - bx __sigsetjmp - -__setjmp: - mov 0, g1 /* __sigsetjmp(env, 0) */ - bx __sigsetjmp - - -/******************************************************************************/ -/* */ -/* setjmp(), longjmp() */ -/* */ -/******************************************************************************/ - .file "setjmp.S" - .text - /* .link_pix */ - - .align 4 - .globl __sigsetjmp -__sigsetjmp: - flushreg - andnot 0xf,pfp,g2 /* get pfp, mask out return status bits */ - st g2, 0x58(g0) /* save fp of caller*/ - /* save globals not killed by the calling convention */ - stq g8, 0x40(g0) /* save g8-g11*/ - st g12, 0x50(g0) /* save g12*/ - st g14, 0x54(g0) /* save g14*/ - /* save previous frame local registers */ - ldq (g2), g4 /* get previous frame pfp, sp, rip, r3 */ - stq g4, (g0) /* save pfp, sp, rip, r3 */ - ldq 0x10(g2), g4 /* get previous frame r4-r7 */ - stq g4, 0x10(g0) /* save r4-r7 */ - ldq 0x20(g2), g4 /* get previous frame r8-r11 */ - stq g4, 0x20(g0) /* save r8-r11 */ - ldq 0x30(g2), g4 /* get previous frame r12-r15 */ - stq g4, 0x30(g0) /* save r12-r15 */ - - bx ___sigjmp_save - - /* - * fake a return to the place that called the corresponding __sigsetjmp - */ - .align 4 - .globl ___longjmp -___longjmp: - call 0f /* ensure there is at least one stack frame */ - -0: - flushreg /* do this before swapping stack */ - ld 0x58(g0), pfp /* get fp of caller of setjmp */ - /* restore local registers - * the following code modifies the frame of the function which originally - * called setjmp. - */ - ldq (g0), g4 /* get pfp, sp, rip, r3 */ - stq g4, (pfp) /* restore pfp, sp, rip, r3 */ - ldq 0x10(g0), g4 /* get r4-r7 */ - stq g4, 0x10(pfp) /* restore r4-r7 */ - ldq 0x20(g0), g4 /* get r8-r11 */ - stq g4, 0x20(pfp) /* restore r8-r11 */ - ldq 0x30(g0), g4 /* get r12-r15 */ - stq g4, 0x30(pfp) /* restore r12-r15 */ - /* restore global registers */ - ldq 0x40(g0), g8 /* get old g8-g11 values */ - ld 0x50(g0), g12 /* get old g12 value */ - ld 0x54(g0), g14 /* get old g14 value */ - - mov g1, g0 /* get return value */ - cmpo g0, 0 /* make sure it is not zero */ - bne 0f - mov 1, g0 /* return 1 by default */ -0: - ret /* return to caller of __sigsetjmp */ - -libc_hidden_def(__longjmp) |