diff options
Diffstat (limited to 'src/third_party/unwind/dist/src/ia64/sigsetjmp.S')
-rw-r--r-- | src/third_party/unwind/dist/src/ia64/sigsetjmp.S | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/src/third_party/unwind/dist/src/ia64/sigsetjmp.S b/src/third_party/unwind/dist/src/ia64/sigsetjmp.S new file mode 100644 index 00000000000..02f7af4b377 --- /dev/null +++ b/src/third_party/unwind/dist/src/ia64/sigsetjmp.S @@ -0,0 +1,69 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2003-2004 Hewlett-Packard Co + Contributed by David Mosberger-Tang <davidm@hpl.hp.com> + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#include "jmpbuf.h" + +#define SIG_BLOCK 0 + + .align 32 + + .global __sigsetjmp + .global sigprocmask + + .proc __sigsetjmp + +__sigsetjmp: + .prologue + .save ar.pfs, r35 + alloc loc1 = ar.pfs, 2, 3, 3, 0 + add out2 = JB_MASK*8, in0 + .save rp, loc0 + mov loc0 = rp + mov out0 = SIG_BLOCK + .body + ;; + cmp.ne p6, p0 = in1, r0 + mov out1 = r0 + mov loc2 = ar.bsp +(p6) br.call.sptk.many rp = sigprocmask // sigjmp_buf[JB_MASK] = sigmask + ;; + + add r16 = JB_MASK_SAVED*8, in0 + st8 [in0] = sp, (JB_RP-JB_SP)*8 // sigjmp_buf[JB_SP] = sp + mov r8 = 0 + ;; + st8 [in0] = loc0, (JB_BSP-JB_RP)*8 // sigjmp_buf[JB_RP] = rp + st8 [r16] = in1 // sigjmp_buf[JB_MASK_SAVED] = savemask + mov rp = loc0 + ;; + st8 [in0] = loc2 // sigjmp_buf[JB_BSP] = bsp + mov.i ar.pfs = loc1 + br.ret.sptk.many rp + + .endp __sigsetjmp +#ifdef __linux__ + /* We do not need executable stack. */ + .section .note.GNU-stack,"",@progbits +#endif |