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/* Copyright (C) 2005-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<https://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include <libc-symbols.h>
#include "dl-link.h"
#define ip0 c16
#define ip0l c16
#define ip1 c17
#define lr c30
#define RELA_SIZE 24
.text
.globl _dl_runtime_resolve
.type _dl_runtime_resolve, #function
cfi_startproc
.align 2
_dl_runtime_resolve:
/* Morello we get called with:
ip0 &PLTGOT[2]
ip1 temp(dl resolver entry point)
[sp, #16] lr
[sp, #0] &PLTGOT[n]
*/
cfi_rel_offset (lr, 16)
/* Save arguments. */
stp c8, c9, [csp, #-(160+8*16)]!
cfi_adjust_cfa_offset (160+8*16)
cfi_rel_offset (c8, 0)
cfi_rel_offset (c9, 16)
stp c6, c7, [csp, #32]
cfi_rel_offset (c6, 32)
cfi_rel_offset (c7, 48)
stp c4, c5, [csp, #64]
cfi_rel_offset (c4, 64)
cfi_rel_offset (c5, 80)
stp c2, c3, [csp, #96]
cfi_rel_offset (c2, 96)
cfi_rel_offset (c3, 112)
stp c0, c1, [csp, #128]
cfi_rel_offset (c0, 128)
cfi_rel_offset (c1, 144)
stp q0, q1, [csp, #(160+0*16)]
cfi_rel_offset (q0, 160+0*16)
cfi_rel_offset (q1, 160+1*16)
stp q2, q3, [csp, #(160+2*16)]
cfi_rel_offset (q0, 160+2*16)
cfi_rel_offset (q1, 160+3*16)
stp q4, q5, [csp, #(160+4*16)]
cfi_rel_offset (q0, 160+4*16)
cfi_rel_offset (q1, 160+5*16)
stp q6, q7, [csp, #(160+6*16)]
cfi_rel_offset (q0, 160+6*16)
cfi_rel_offset (q1, 160+7*16)
/* Get pointer to linker struct. */
ldr c0, [ip0, #-PTR_SIZE]
/* Prepare to call _dl_fixup(). */
ldr c1, [csp, 160+8*16] /* Recover &PLTGOT[n] */
sub x1, x1, x16
add x1, x1, x1, lsl #1
lsr x1, x1, #1
sub x1, x1, #RELA_SIZE
/* Call fixup routine. */
bl _dl_fixup
/* Save the return. */
mov ip0, c0
/* Get arguments and return address back. */
ldp q0, q1, [csp, #(160+0*16)]
ldp q2, q3, [csp, #(160+2*16)]
ldp q4, q5, [csp, #(160+4*16)]
ldp q6, q7, [csp, #(160+6*16)]
ldp c0, c1, [csp, #128]
ldp c2, c3, [csp, #96]
ldp c4, c5, [csp, #64]
ldp c6, c7, [csp, #32]
ldp c8, c9, [csp], #(160+8*16)
cfi_adjust_cfa_offset (-(160+8*16))
ldp ip1, lr, [csp], #32
cfi_adjust_cfa_offset (-32)
/* Jump to the newly found address. */
br ip0
cfi_endproc
.size _dl_runtime_resolve, .-_dl_runtime_resolve
#ifndef PROF
.globl _dl_runtime_profile
.type _dl_runtime_profile, #function
cfi_startproc
.align 2
_dl_runtime_profile:
/* TODO: requires definition of La_aarch64_* layout
and register state saved correctly for varargs ABI. */
mov x0, 0
ldr c0, [c0]
cfi_endproc
.size _dl_runtime_profile, .-_dl_runtime_profile
#endif
.previous
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