2005-01-23 08:02:38 +00:00
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/* PLT trampolines. Alpha version.
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2015-01-02 16:28:19 +00:00
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Copyright (C) 2005-2015 Free Software Foundation, Inc.
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2005-01-23 08:02:38 +00:00
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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2012-03-09 23:56:38 +00:00
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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2005-01-23 08:02:38 +00:00
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#include <sysdep.h>
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.set noat
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2005-05-28 23:40:09 +00:00
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.macro savei regno, offset
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stq $\regno, \offset($30)
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cfi_rel_offset(\regno, \offset)
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.endm
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.macro savef regno, offset
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stt $f\regno, \offset($30)
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cfi_rel_offset(\regno+32, \offset)
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.endm
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.align 4
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.globl _dl_runtime_resolve_new
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.ent _dl_runtime_resolve_new
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#undef FRAMESIZE
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#define FRAMESIZE 14*8
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_dl_runtime_resolve_new:
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.frame $30, FRAMESIZE, $26, 0
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.mask 0x4000000, 0
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ldah $29, 0($27) !gpdisp!1
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lda $30, -FRAMESIZE($30)
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stq $26, 0*8($30)
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stq $16, 2*8($30)
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stq $17, 3*8($30)
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lda $29, 0($29) !gpdisp!1
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stq $18, 4*8($30)
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mov $28, $16 /* link_map from .got.plt */
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stq $19, 5*8($30)
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mov $25, $17 /* offset of reloc entry */
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stq $20, 6*8($30)
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mov $26, $18 /* return address */
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stq $21, 7*8($30)
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stt $f16, 8*8($30)
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stt $f17, 9*8($30)
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stt $f18, 10*8($30)
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stt $f19, 11*8($30)
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stt $f20, 12*8($30)
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stt $f21, 13*8($30)
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.prologue 2
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bsr $26, _dl_fixup !samegp
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mov $0, $27
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ldq $26, 0*8($30)
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ldq $16, 2*8($30)
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ldq $17, 3*8($30)
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ldq $18, 4*8($30)
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ldq $19, 5*8($30)
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ldq $20, 6*8($30)
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ldq $21, 7*8($30)
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ldt $f16, 8*8($30)
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ldt $f17, 9*8($30)
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ldt $f18, 10*8($30)
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ldt $f19, 11*8($30)
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ldt $f20, 12*8($30)
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ldt $f21, 13*8($30)
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lda $30, FRAMESIZE($30)
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jmp $31, ($27), 0
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.end _dl_runtime_resolve_new
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.globl _dl_runtime_profile_new
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.type _dl_runtime_profile_new, @function
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#undef FRAMESIZE
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#define FRAMESIZE 20*8
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/* We save the registers in a different order than desired by
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.mask/.fmask, so we have to use explicit cfi directives. */
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cfi_startproc
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_dl_runtime_profile_new:
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ldah $29, 0($27) !gpdisp!2
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lda $30, -FRAMESIZE($30)
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savei 26, 0*8
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stq $16, 2*8($30)
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stq $17, 3*8($30)
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lda $29, 0($29) !gpdisp!2
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stq $18, 4*8($30)
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lda $1, FRAMESIZE($30) /* incoming sp value */
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stq $1, 1*8($30)
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stq $19, 5*8($30)
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stq $20, 6*8($30)
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mov $28, $16 /* link_map from .got.plt */
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stq $21, 7*8($30)
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mov $25, $17 /* offset of reloc entry */
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stt $f16, 8*8($30)
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mov $26, $18 /* return address */
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stt $f17, 9*8($30)
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mov $30, $19 /* La_alpha_regs address */
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stt $f18, 10*8($30)
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lda $20, 14*8($30) /* framesize address */
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stt $f19, 11*8($30)
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stt $f20, 12*8($30)
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stt $f21, 13*8($30)
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stq $28, 16*8($30)
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stq $25, 17*8($30)
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bsr $26, _dl_profile_fixup !samegp
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mov $0, $27
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/* Discover if we're wrapping this call. */
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ldq $18, 14*8($30)
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bge $18, 1f
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ldq $26, 0*8($30)
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ldq $16, 2*8($30)
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ldq $17, 3*8($30)
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ldq $18, 4*8($30)
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ldq $19, 5*8($30)
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ldq $20, 6*8($30)
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ldq $21, 7*8($30)
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ldt $f16, 8*8($30)
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ldt $f17, 9*8($30)
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ldt $f18, 10*8($30)
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ldt $f19, 11*8($30)
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ldt $f20, 12*8($30)
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ldt $f21, 13*8($30)
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lda $30, FRAMESIZE($30)
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jmp $31, ($27), 0
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1:
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/* Create a frame pointer and allocate a new argument frame. */
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savei 15, 15*8
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mov $30, $15
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cfi_def_cfa_register (15)
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addq $18, 15, $18
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bic $18, 15, $18
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subq $30, $18, $30
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/* Save the call destination around memcpy. */
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stq $0, 14*8($30)
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/* Copy the stack arguments into place. */
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lda $16, 0($30)
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lda $17, FRAMESIZE($15)
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jsr $26, memcpy
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ldgp $29, 0($26)
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/* Reload the argument registers. */
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ldq $27, 14*8($30)
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ldq $16, 2*8($15)
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ldq $17, 3*8($15)
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ldq $18, 4*8($15)
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ldq $19, 5*8($15)
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ldq $20, 6*8($15)
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ldq $21, 7*8($15)
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ldt $f16, 8*8($15)
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ldt $f17, 9*8($15)
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ldt $f18, 10*8($15)
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ldt $f19, 11*8($15)
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ldt $f20, 12*8($15)
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ldt $f21, 13*8($15)
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jsr $26, ($27), 0
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ldgp $29, 0($26)
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/* Set up for call to _dl_call_pltexit. */
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ldq $16, 16*8($15)
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ldq $17, 17*8($15)
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stq $0, 16*8($15)
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lda $18, 0($15)
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stq $1, 17*8($15)
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lda $19, 16*8($15)
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stt $f0, 18*8($15)
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stt $f1, 19*8($15)
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bsr $26, _dl_call_pltexit !samegp
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mov $15, $30
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cfi_def_cfa_register (30)
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ldq $26, 0($30)
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ldq $15, 15*8($30)
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lda $30, FRAMESIZE($30)
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ret
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cfi_endproc
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.size _dl_runtime_profile_new, .-_dl_runtime_profile_new
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.align 4
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.globl _dl_runtime_resolve_old
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.ent _dl_runtime_resolve_old
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2005-01-23 08:02:38 +00:00
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#undef FRAMESIZE
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#define FRAMESIZE 44*8
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2005-05-28 23:40:09 +00:00
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_dl_runtime_resolve_old:
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2005-01-23 08:02:38 +00:00
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lda $30, -FRAMESIZE($30)
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.frame $30, FRAMESIZE, $26
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/* Preserve all registers that C normally doesn't. */
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stq $26, 0*8($30)
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stq $0, 1*8($30)
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stq $1, 2*8($30)
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stq $2, 3*8($30)
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stq $3, 4*8($30)
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stq $4, 5*8($30)
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stq $5, 6*8($30)
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stq $6, 7*8($30)
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stq $7, 8*8($30)
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stq $8, 9*8($30)
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stq $16, 10*8($30)
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stq $17, 11*8($30)
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stq $18, 12*8($30)
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stq $19, 13*8($30)
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stq $20, 14*8($30)
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stq $21, 15*8($30)
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stq $22, 16*8($30)
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stq $23, 17*8($30)
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stq $24, 18*8($30)
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stq $25, 19*8($30)
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stq $29, 20*8($30)
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stt $f0, 21*8($30)
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stt $f1, 22*8($30)
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stt $f10, 23*8($30)
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stt $f11, 24*8($30)
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stt $f12, 25*8($30)
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stt $f13, 26*8($30)
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stt $f14, 27*8($30)
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stt $f15, 28*8($30)
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stt $f16, 29*8($30)
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stt $f17, 30*8($30)
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stt $f18, 31*8($30)
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stt $f19, 32*8($30)
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stt $f20, 33*8($30)
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stt $f21, 34*8($30)
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stt $f22, 35*8($30)
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stt $f23, 36*8($30)
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stt $f24, 37*8($30)
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stt $f25, 38*8($30)
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stt $f26, 39*8($30)
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stt $f27, 40*8($30)
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stt $f28, 41*8($30)
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stt $f29, 42*8($30)
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stt $f30, 43*8($30)
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.mask 0x27ff01ff, -FRAMESIZE
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.fmask 0xfffffc03, -FRAMESIZE+21*8
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/* Set up our GP. */
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br $29, .+4
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ldgp $29, 0($29)
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.prologue 0
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/* Set up the arguments for _dl_fixup:
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$16 = link_map out of plt0
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$17 = offset of reloc entry = ($28 - $27 - 20) /12 * 24
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$18 = return address
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*/
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subq $28, $27, $17
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ldq $16, 8($27)
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subq $17, 20, $17
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mov $26, $18
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addq $17, $17, $17
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bsr $26, _dl_fixup !samegp
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/* Move the destination address into position. */
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mov $0, $27
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/* Restore program registers. */
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ldq $26, 0*8($30)
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ldq $0, 1*8($30)
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ldq $1, 2*8($30)
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ldq $2, 3*8($30)
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ldq $3, 4*8($30)
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ldq $4, 5*8($30)
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ldq $5, 6*8($30)
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ldq $6, 7*8($30)
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ldq $7, 8*8($30)
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ldq $8, 9*8($30)
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ldq $16, 10*8($30)
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ldq $17, 11*8($30)
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ldq $18, 12*8($30)
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ldq $19, 13*8($30)
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ldq $20, 14*8($30)
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ldq $21, 15*8($30)
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ldq $22, 16*8($30)
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ldq $23, 17*8($30)
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ldq $24, 18*8($30)
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ldq $25, 19*8($30)
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ldq $29, 20*8($30)
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ldt $f0, 21*8($30)
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ldt $f1, 22*8($30)
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ldt $f10, 23*8($30)
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|
ldt $f11, 24*8($30)
|
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|
ldt $f12, 25*8($30)
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|
ldt $f13, 26*8($30)
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|
ldt $f14, 27*8($30)
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|
ldt $f15, 28*8($30)
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|
ldt $f16, 29*8($30)
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ldt $f17, 30*8($30)
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ldt $f18, 31*8($30)
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ldt $f19, 32*8($30)
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|
ldt $f20, 33*8($30)
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|
ldt $f21, 34*8($30)
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|
ldt $f22, 35*8($30)
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ldt $f23, 36*8($30)
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|
ldt $f24, 37*8($30)
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|
ldt $f25, 38*8($30)
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|
ldt $f26, 39*8($30)
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|
ldt $f27, 40*8($30)
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|
ldt $f28, 41*8($30)
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ldt $f29, 42*8($30)
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|
ldt $f30, 43*8($30)
|
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|
|
/* Flush the Icache after having modified the .plt code. */
|
|
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|
imb
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|
|
/* Clean up and turn control to the destination */
|
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|
|
lda $30, FRAMESIZE($30)
|
|
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|
|
jmp $31, ($27)
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|
|
|
|
2005-05-28 23:40:09 +00:00
|
|
|
.end _dl_runtime_resolve_old
|
2005-01-23 08:02:38 +00:00
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2005-05-28 23:40:09 +00:00
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.globl _dl_runtime_profile_old
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.usepv _dl_runtime_profile_old, no
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.type _dl_runtime_profile_old, @function
|
2005-01-23 08:02:38 +00:00
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/* We save the registers in a different order than desired by
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.mask/.fmask, so we have to use explicit cfi directives. */
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cfi_startproc
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#undef FRAMESIZE
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#define FRAMESIZE 50*8
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2005-05-28 23:40:09 +00:00
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.align 4
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_dl_runtime_profile_old:
|
2005-01-23 08:02:38 +00:00
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lda $30, -FRAMESIZE($30)
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cfi_adjust_cfa_offset (FRAMESIZE)
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/* Preserve all argument registers. This also constructs the
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La_alpha_regs structure. */
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savei 26, 0*8
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savei 16, 2*8
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savei 17, 3*8
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savei 18, 4*8
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savei 19, 5*8
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savei 20, 6*8
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savei 21, 7*8
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lda $16, FRAMESIZE($30)
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savef 16, 8*8
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savef 17, 9*8
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savef 18, 10*8
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savef 19, 11*8
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savef 20, 12*8
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savef 21, 13*8
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stq $16, 1*8($30)
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/* Preserve all registers that C normally doesn't. */
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savei 0, 14*8
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savei 1, 15*8
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savei 2, 16*8
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savei 3, 17*8
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savei 4, 18*8
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savei 5, 19*8
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savei 6, 20*8
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savei 7, 21*8
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savei 8, 22*8
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savei 22, 23*8
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savei 23, 24*8
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savei 24, 25*8
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savei 25, 26*8
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savei 29, 27*8
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savef 0, 28*8
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savef 1, 29*8
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savef 10, 30*8
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savef 11, 31*8
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savef 12, 32*8
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savef 13, 33*8
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savef 14, 34*8
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savef 15, 35*8
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savef 22, 36*8
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savef 23, 37*8
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savef 24, 38*8
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savef 25, 39*8
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savef 26, 40*8
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savef 27, 41*8
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savef 28, 42*8
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savef 29, 43*8
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savef 30, 44*8
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/* Set up our GP. */
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br $29, .+4
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ldgp $29, 0($29)
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/* Set up the arguments for _dl_profile_fixup:
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$16 = link_map out of plt0
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$17 = offset of reloc entry = ($28 - $27 - 20) /12 * 24
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$18 = return address
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$19 = La_alpha_regs address
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$20 = framesize address
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*/
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subq $28, $27, $17
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ldq $16, 8($27)
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subq $17, 20, $17
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mov $26, $18
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addq $17, $17, $17
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lda $19, 0($30)
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lda $20, 45*8($30)
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stq $16, 48*8($30)
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stq $17, 49*8($30)
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bsr $26, _dl_profile_fixup !samegp
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/* Discover if we're wrapping this call. */
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|
ldq $18, 45*8($30)
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bge $18, 1f
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|
|
/* Move the destination address into position. */
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mov $0, $27
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|
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|
|
/* Restore program registers. */
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|
|
ldq $26, 0*8($30)
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|
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ldq $16, 2*8($30)
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|
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|
|
ldq $17, 3*8($30)
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|
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ldq $18, 4*8($30)
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|
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ldq $19, 5*8($30)
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|
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ldq $20, 6*8($30)
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|
|
ldq $21, 7*8($30)
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|
|
ldt $f16, 8*8($30)
|
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|
|
ldt $f17, 9*8($30)
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|
|
ldt $f18, 10*8($30)
|
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|
|
ldt $f19, 11*8($30)
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|
|
|
|
ldt $f20, 12*8($30)
|
|
|
|
|
ldt $f21, 13*8($30)
|
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|
|
ldq $0, 14*8($30)
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ldq $1, 15*8($30)
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|
ldq $2, 16*8($30)
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|
|
ldq $3, 17*8($30)
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|
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ldq $4, 18*8($30)
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ldq $5, 19*8($30)
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ldq $6, 20*8($30)
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|
ldq $7, 21*8($30)
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ldq $8, 22*8($30)
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ldq $22, 23*8($30)
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ldq $23, 24*8($30)
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|
ldq $24, 25*8($30)
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|
|
ldq $25, 26*8($30)
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|
|
ldq $29, 27*8($30)
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|
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|
|
ldt $f0, 28*8($30)
|
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|
ldt $f1, 29*8($30)
|
|
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|
|
ldt $f10, 30*8($30)
|
|
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|
|
ldt $f11, 31*8($30)
|
|
|
|
|
ldt $f12, 32*8($30)
|
|
|
|
|
ldt $f13, 33*8($30)
|
|
|
|
|
ldt $f14, 34*8($30)
|
|
|
|
|
ldt $f15, 35*8($30)
|
|
|
|
|
ldt $f22, 36*8($30)
|
|
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|
|
ldt $f23, 37*8($30)
|
|
|
|
|
ldt $f24, 38*8($30)
|
|
|
|
|
ldt $f25, 39*8($30)
|
|
|
|
|
ldt $f26, 40*8($30)
|
|
|
|
|
ldt $f27, 41*8($30)
|
|
|
|
|
ldt $f28, 42*8($30)
|
|
|
|
|
ldt $f29, 43*8($30)
|
|
|
|
|
ldt $f30, 44*8($30)
|
|
|
|
|
|
|
|
|
|
/* Clean up and turn control to the destination. */
|
|
|
|
|
lda $30, FRAMESIZE($30)
|
|
|
|
|
jmp $31, ($27)
|
|
|
|
|
|
|
|
|
|
1:
|
|
|
|
|
/* Create a frame pointer and allocate a new argument frame. */
|
|
|
|
|
savei 15, 45*8
|
|
|
|
|
mov $30, $15
|
|
|
|
|
cfi_def_cfa_register (15)
|
|
|
|
|
addq $18, 15, $18
|
|
|
|
|
bic $18, 15, $18
|
|
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|
|
subq $30, $18, $30
|
|
|
|
|
|
|
|
|
|
/* Save the call destination around memcpy. */
|
|
|
|
|
stq $0, 46*8($30)
|
|
|
|
|
|
|
|
|
|
/* Copy the stack arguments into place. */
|
|
|
|
|
lda $16, 0($30)
|
|
|
|
|
lda $17, FRAMESIZE($15)
|
|
|
|
|
jsr $26, memcpy
|
|
|
|
|
ldgp $29, 0($26)
|
|
|
|
|
|
|
|
|
|
/* Reload the argument registers. */
|
|
|
|
|
ldq $27, 46*8($30)
|
|
|
|
|
ldq $16, 2*8($15)
|
|
|
|
|
ldq $17, 3*8($15)
|
|
|
|
|
ldq $18, 4*8($15)
|
|
|
|
|
ldq $19, 5*8($15)
|
|
|
|
|
ldq $20, 6*8($15)
|
|
|
|
|
ldq $21, 7*8($15)
|
|
|
|
|
ldt $f16, 8*8($15)
|
|
|
|
|
ldt $f17, 9*8($15)
|
|
|
|
|
ldt $f18, 10*8($15)
|
|
|
|
|
ldt $f19, 11*8($15)
|
|
|
|
|
ldt $f20, 12*8($15)
|
|
|
|
|
ldt $f21, 13*8($15)
|
|
|
|
|
|
|
|
|
|
jsr $26, ($27), 0
|
|
|
|
|
ldgp $29, 0($26)
|
|
|
|
|
|
|
|
|
|
/* Set up for call to _dl_call_pltexit. */
|
2005-05-28 23:40:09 +00:00
|
|
|
ldq $16, 48*8($15)
|
|
|
|
|
ldq $17, 49*8($15)
|
2005-01-23 08:02:38 +00:00
|
|
|
stq $0, 46*8($15)
|
|
|
|
|
lda $18, 0($15)
|
|
|
|
|
stq $1, 47*8($15)
|
|
|
|
|
lda $19, 46*8($15)
|
|
|
|
|
stt $f0, 48*8($15)
|
|
|
|
|
stt $f1, 49*8($15)
|
|
|
|
|
bsr $26, _dl_call_pltexit !samegp
|
|
|
|
|
|
|
|
|
|
mov $15, $30
|
|
|
|
|
cfi_def_cfa_register (30)
|
|
|
|
|
ldq $26, 0($30)
|
|
|
|
|
ldq $15, 45*8($30)
|
|
|
|
|
lda $30, FRAMESIZE($30)
|
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
cfi_endproc
|
2005-05-28 23:40:09 +00:00
|
|
|
.size _dl_runtime_profile_old, .-_dl_runtime_profile_old
|
