l4/pkg/uclibc/lib/contrib/uclibc/libc/sysdeps/linux/bfin/setjmp.S

   1 /* setjmp for the Blackfin project
   2  *
   3  * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
   4  * Copyright (C) 2003 Metrowerks
   5  * Based on code from Analog Devices.
   6  *
   7  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
   8  */
   9
  10 .text
  11 .global ___sigsetjmp;
  12 .type   ___sigsetjmp,STT_FUNC;
  13 .align 4;
  14
  15 ___sigsetjmp:
  16         [--SP] = P0;    /* Save P0 */
  17         P0 = R0;
  18         R0 = [SP++];
  19         [P0 + 0x00] = R0;       /* Save saved P0 */
  20         [P0 + 0x04] = P1;
  21         [P0 + 0x08] = P2;
  22         [P0 + 0x0C] = P3;
  23         [P0 + 0x10] = P4;
  24         [P0 + 0x14] = P5;
  25
  26         [P0 + 0x18] = FP;       /* Frame Pointer */
  27         [P0 + 0x1C] = SP;       /* Stack Pointer */
  28
  29         [P0 + 0x20] = P0;       /* Data Registers */
  30         [P0 + 0x24] = R1;
  31         [P0 + 0x28] = R2;
  32         [P0 + 0x2C] = R3;
  33         [P0 + 0x30] = R4;
  34         [P0 + 0x34] = R5;
  35         [P0 + 0x38] = R6;
  36         [P0 + 0x3C] = R7;
  37
  38         R0 = ASTAT;
  39         [P0 + 0x40] = R0;
  40
  41         R0 = LC0;               /* Loop Counters */
  42         [P0 + 0x44] = R0;
  43         R0 = LC1;
  44         [P0 + 0x48] = R0;
  45
  46         R0 = A0.W;              /* Accumulators */
  47         [P0 + 0x4C] = R0;
  48         R0 = A0.X;
  49         [P0 + 0x50] = R0;
  50         R0 = A1.W;
  51         [P0 + 0x54] = R0;
  52         R0 = A1.X;
  53         [P0 + 0x58] = R0;
  54
  55         R0 = I0;                /* Index Registers */
  56         [P0 + 0x5C] = R0;
  57         R0 = I1;
  58         [P0 + 0x60] = R0;
  59         R0 = I2;
  60         [P0 + 0x64] = R0;
  61         R0 = I3;
  62         [P0 + 0x68] = R0;
  63
  64         R0 = M0;                /* Modifier Registers */
  65         [P0 + 0x6C] = R0;
  66         R0 = M1;
  67         [P0 + 0x70] = R0;
  68         R0 = M2;
  69         [P0 + 0x74] = R0;
  70         R0 = M3;
  71         [P0 + 0x78] = R0;
  72
  73         R0 = L0;                /* Length Registers */
  74         [P0 + 0x7c] = R0;
  75         R0 = L1;
  76         [P0 + 0x80] = R0;
  77         R0 = L2;
  78         [P0 + 0x84] = R0;
  79         R0 = L3;
  80         [P0 + 0x88] = R0;
  81
  82         R0 = B0;                /* Base Registers */
  83         [P0 + 0x8C] = R0;
  84         R0 = B1;
  85         [P0 + 0x90] = R0;
  86         R0 = B2;
  87         [P0 + 0x94] = R0;
  88         R0 = B3;
  89         [P0 + 0x98] = R0;
  90
  91         R0 = RETS;
  92         [P0 + 0x9C] = R0;
  93
  94         R0 = [P0 + 0x20];
  95         JUMP.L ___sigjmp_save;
  96 .size ___sigsetjmp, .-___sigsetjmp