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119 lines
2.7 KiB
ArmAsm
119 lines
2.7 KiB
ArmAsm
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/* PLT trampolines. PPC64 version.
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Copyright (C) 2005 Free Software Foundation, Inc.
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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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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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.section ".text"
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EALIGN(_dl_runtime_resolve, 4, 0)
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/* We need to save the registers used to pass parameters, ie. r3 thru
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r10; the registers are saved in a stack frame. */
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stdu 1,-128(1)
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std 3,48(1)
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mr 3,11
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std 4,56(1)
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sldi 4,0,1
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std 5,64(1)
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add 4,4,0
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std 6,72(1)
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sldi 4,4,3
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std 7,80(1)
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mflr 0
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std 8,88(1)
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/* Store the LR in the LR Save area of the previous frame. */
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std 0,128+16(1)
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mfcr 0
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std 9,96(1)
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std 10,104(1)
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/* I'm almost certain we don't have to save cr... be safe. */
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std 0,8(1)
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bl JUMPTARGET(_dl_fixup)
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/* Put the registers back. */
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ld 0,128+16(1)
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ld 10,104(1)
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ld 9,96(1)
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ld 8,88(1)
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ld 7,80(1)
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mtlr 0
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ld 0,8(1)
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ld 6,72(1)
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ld 5,64(1)
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ld 4,56(1)
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mtcrf 0xFF,0
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/* Load the target address, toc and static chain reg from the function
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descriptor returned by fixup. */
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ld 0,0(3)
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ld 2,8(3)
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mtctr 0
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ld 11,16(3)
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ld 3,48(1)
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/* Unwind the stack frame, and jump. */
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addi 1,1,128
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bctr
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END(_dl_runtime_resolve)
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EALIGN(_dl_profile_resolve, 4, 0)
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/* We need to save the registers used to pass parameters, ie. r3 thru
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r10; the registers are saved in a stack frame. */
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stdu 1,-128(1)
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std 3,48(1)
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mr 3,11
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std 4,56(1)
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sldi 4,0,1
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std 5,64(1)
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add 4,4,0
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std 6,72(1)
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sldi 4,4,3
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std 7,80(1)
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mflr 0
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std 8,88(1)
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/* Store the LR in the LR Save area of the previous frame. */
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std 0,128+16(1)
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mfcr 0
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std 9,96(1)
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std 10,104(1)
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/* I'm almost certain we don't have to save cr... be safe. */
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std 0,8(1)
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bl JUMPTARGET(_dl_profile_fixup)
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/* Put the registers back. */
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ld 0,128+16(1)
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ld 10,104(1)
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ld 9,96(1)
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ld 8,88(1)
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ld 7,80(1)
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mtlr 0
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ld 0,8(1)
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ld 6,72(1)
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ld 5,64(1)
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ld 4,56(1)
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mtcrf 0xFF,0
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/* Load the target address, toc and static chain reg from the function
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descriptor returned by fixup. */
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ld 0,0(3)
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ld 2,8(3)
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mtctr 0
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ld 11,16(3)
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ld 3,48(1)
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/* Unwind the stack frame, and jump. */
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addi 1,1,128
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bctr
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END(_dl_profile_resolve)
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