| /* Copyright (C) 1992-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| 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/>. */ |
| |
| #define __ASSEMBLY__ |
| |
| #include <sysdep.h> |
| #include <jmpbuf-offsets.h> |
| |
| .ent __sigsetjmp |
| .global __sigsetjmp |
| __sigsetjmp: |
| ldgp gp, 0(pv) |
| |
| $sigsetjmp_local: |
| #ifndef PIC |
| #define FRAME 16 |
| subq sp, FRAME, sp |
| .frame sp, FRAME, ra, 0 |
| stq ra, 0(sp) |
| .mask 0x04000000, -FRAME |
| #else |
| #define FRAME 0 |
| .frame sp, FRAME, ra, 0 |
| #endif |
| #ifdef PROF |
| .set noat |
| lda AT, _mcount |
| jsr AT, (AT), _mcount |
| .set at |
| #endif |
| .prologue 1 |
| |
| stq s0, JB_S0*8(a0) |
| stq s1, JB_S1*8(a0) |
| stq s2, JB_S2*8(a0) |
| stq s3, JB_S3*8(a0) |
| stq s4, JB_S4*8(a0) |
| stq s5, JB_S5*8(a0) |
| #ifdef PTR_MANGLE |
| PTR_MANGLE(t1, ra, t0) |
| stq t1, JB_PC*8(a0) |
| #else |
| stq ra, JB_PC*8(a0) |
| #endif |
| #if defined(PTR_MANGLE) && FRAME == 0 |
| PTR_MANGLE2(t1, sp, t0) |
| #else |
| addq sp, FRAME, t1 |
| # ifdef PTR_MANGLE |
| PTR_MANGLE2(t1, t1, t0) |
| # endif |
| #endif |
| stq t1, JB_SP*8(a0) |
| #ifdef PTR_MANGLE |
| PTR_MANGLE2(t1, fp, t0) |
| stq t1, JB_FP*8(a0) |
| #else |
| stq fp, JB_FP*8(a0) |
| #endif |
| stt $f2, JB_F2*8(a0) |
| stt $f3, JB_F3*8(a0) |
| stt $f4, JB_F4*8(a0) |
| stt $f5, JB_F5*8(a0) |
| stt $f6, JB_F6*8(a0) |
| stt $f7, JB_F7*8(a0) |
| stt $f8, JB_F8*8(a0) |
| stt $f9, JB_F9*8(a0) |
| |
| #ifndef PIC |
| /* Call to C to (potentially) save our signal mask. */ |
| jsr ra, __sigjmp_save |
| ldq ra, 0(sp) |
| addq sp, 16, sp |
| ret |
| #elif defined NOT_IN_libc && defined IS_IN_rtld |
| /* In ld.so we never save the signal mask. */ |
| mov 0, v0 |
| ret |
| #else |
| /* Tailcall to save the signal mask. */ |
| br $31, __sigjmp_save !samegp |
| #endif |
| |
| END(__sigsetjmp) |
| |
| /* Put these traditional entry points in the same file so that we can |
| elide much of the nonsense in trying to jmp to the real function. */ |
| |
| ENTRY(_setjmp) |
| ldgp gp, 0(pv) |
| .prologue 1 |
| mov 0, a1 |
| br $sigsetjmp_local |
| END(_setjmp) |
| libc_hidden_def (_setjmp) |
| |
| ENTRY(setjmp) |
| ldgp gp, 0(pv) |
| .prologue 1 |
| mov 1, a1 |
| br $sigsetjmp_local |
| END(setjmp) |
| |
| weak_extern(_setjmp) |
| weak_extern(setjmp) |
