From 82b4b77ce26d5e2d68bee37db96ae86360dd2cbd Mon Sep 17 00:00:00 2001 From: "homeip.net!davidm" Date: Tue, 17 Aug 2004 15:34:28 +0000 Subject: [PATCH] Rename: src/ia64/getcontext-ia64.S.S -> src/ia64/getcontext.S }(Logical change 1.241) --- src/ia64/getcontext-ia64.S | 173 ------------------------------------- 1 file changed, 173 deletions(-) delete mode 100644 src/ia64/getcontext-ia64.S diff --git a/src/ia64/getcontext-ia64.S b/src/ia64/getcontext-ia64.S deleted file mode 100644 index a4f13ab3..00000000 --- a/src/ia64/getcontext-ia64.S +++ /dev/null @@ -1,173 +0,0 @@ -/* libunwind - a platform-independent unwind library - Copyright (C) 2004 Hewlett-Packard Co - Contributed by David Mosberger-Tang - -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 "ucontext_i.h" - -#define GR(n) (SC_GR + (n)*8) -#define BR(n) (SC_BR + (n)*8) -#define FR(n) (SC_FR + (n)*16) - -/* This should be compatible to the libc's getcontext(), except that - the sc->sc_mask field is always cleared and that the name is - prefixed with _Uia64_ so we don't step on the application's - name-space. */ - - .align 32 - .protected _Uia64_getcontext - .global _Uia64_getcontext - .proc _Uia64_getcontext -_Uia64_getcontext: - .prologue - alloc rPFS = ar.pfs, 1, 0, 0, 0 // M2 - mov rPR = pr // I0, 2 cycles - add r2 = GR(1), in0 // I1 - ;; - - .save ar.unat, rUNAT - mov.m rUNAT = ar.unat // M2, 5 cycles - .body - st8.spill [r2] = r1, (SC_FLAGS - GR(1)) // M3 - dep.z rFLAGS = -1, IA64_SC_FLAG_SYNCHRONOUS_BIT, 1 // I0, 1 cycle - ;; - - mov.m rRSC = ar.rsc // M2, 12 cyc. - st8 [r2] = rFLAGS, (SC_PR - SC_FLAGS) // M3 - add r3 = FR(2), in0 - ;; - - mov.m rBSP = ar.bsp // M2, 12 cyc. - st8 [r2] = rPR, (GR(12) - SC_PR) // M3 - add r8 = FR(16), in0 - ;; - - mov.m rFPSR = ar.fpsr // M2, 12 cyc. - st8.spill [r2] = r12, (GR(4) - GR(12)) // M3 - add r9 = FR(24), in0 - ;; - - stf.spill [r3] = f2 // M2 - stf.spill [r8] = f16 // M3 - add r3 = GR(7), in0 - ;; - - flushrs // M0 - stf.spill [r9] = f24, (FR(31) - FR(24)) // M2 - mov rB0 = b0 // I0, 2 cycles - ;; - - stf.spill [r9] = f31 // M2 - st8.spill [r2] = r4, (GR(5) - GR(4)) // M3, bank 1 - mov rB1 = b1 // I0, 2 cycles - ;; - -.mem.offset 0,0; st8.spill [r2] = r5, (GR(6) - GR(5)) // M4, bank 0 -.mem.offset 8,0; st8.spill [r3] = r7, (BR(0) - GR(7)) // M3, bank 0 - mov rB2 = b2 // I0, 2 cycles - ;; - - st8.spill [r2] = r6, (BR(1) - GR(6)) // M2, bank 1 - st8 [r3] = rB0, (BR(4) - BR(0)) // M3, bank 1 - mov rB4 = b4 // I0, 2 cycles - ;; - - mov.m rNAT = ar.unat // M2, 5 cycles - st8 [r2] = rB1, (BR(2) - BR(1)) // M3, bank 0 - mov rB3 = b3 - ;; - - st8 [r2] = rB2, (BR(3) - BR(2)) // M2, bank 1 - st8 [r3] = rB4, (SC_LC - BR(4)) // M3, bank 1 - mov rB5 = b5 // I0, 2 cycles - ;; - - and rTMP = ~0x3, rRSC // M0 - add rPOS = GR(0), in0 // rPOS <- &sc_gr[0] // M1 - mov.i rLC = ar.lc // I0, 2 cycles - ;; - - mov.m ar.rsc = rTMP // put RSE into lazy mode // M2, ? cycles - st8 [r2] = rB3, (BR(5) - BR(3)) // M3, bank 0 - extr.u rPOS = rPOS, 3, 6 // get NaT bitnr for r0 // I0 - ;; - - mov.m rRNAT = ar.rnat // M2, 5 cycles - st8 [r2] = rB5, (SC_PFS - BR(5)) // M3, bank 0 - sub rCPOS = 64, rPOS // I0 - ;; - - st8 [r2] = rPFS, (SC_UNAT - SC_PFS) // M2 - st8 [r3] = rLC, (SC_BSP - SC_LC) // M3 - shr.u rTMP = rNAT, rPOS // I0, 3 cycles - ;; - - st8 [r2] = rUNAT, (SC_FPSR - SC_UNAT) // M2 - st8 [r3] = rBSP // M3 - add r8 = FR(3), in0 - ;; - - st8 [r2] = rFPSR, (SC_RNAT - SC_FPSR) // M2 - stf.spill [r8] = f3, (FR(4) - FR(3)) // M3 - add r9 = FR(5), in0 - ;; - - stf.spill [r8] = f4, (FR(17) - FR(4)) // M2 - stf.spill [r9] = f5, (FR(19) - FR(5)) // M3 - shl rNAT = rNAT, rCPOS // I0, 3 cycles - ;; - - st8 [r2] = rRNAT, (SC_NAT - SC_RNAT) // M2 - stf.spill [r8] = f17, (FR(18) - FR(17)) // M3 - nop.i 0 - ;; - - stf.spill [r8] = f18, (FR(20) - FR(18)) // M2 - stf.spill [r9] = f19, (FR(21) - FR(19)) // M3 - nop.i 0 - ;; - - stf.spill [r8] = f20, (FR(22) - FR(20)) // M2 - stf.spill [r9] = f21, (FR(23) - FR(21)) // M3 - or rNAT = rNAT, rTMP // I0 - ;; - - st8 [r2] = rNAT // M2 - stf.spill [r8] = f22, (FR(25) - FR(22)) // M3 - ;; - stf.spill [r9] = f23, (FR(26) - FR(23)) // M2 - stf.spill [r8] = f25, (FR(27) - FR(25)) // M3 - ;; - stf.spill [r9] = f26, (FR(28) - FR(26)) // M2 - stf.spill [r8] = f27, (FR(29) - FR(27)) // M3 - ;; - mov.m ar.rsc = rRSC // restore RSE mode // M2 - stf.spill [r9] = f28, (FR(30) - FR(28)) // M3 - ;; - mov.m ar.unat = rUNAT // restore caller's UNaT // M2 - stf.spill [r8] = f29 // M3 - ;; - stf.spill [r9] = f30 // M2 - mov r8 = 0 - br.ret.sptk.many rp - .endp _Uia64_getcontext