mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-24 03:31:07 +00:00
LoongArch: Add vector implementation for _dl_runtime_resolve.
This commit is contained in:
caiyinyu
parent
0d341d09f2
commit
7f079fdc16
@ -270,6 +270,10 @@ elf_machine_runtime_setup (struct link_map *l, struct r_scope_elem *scope[],
|
||||
/* If using PLTs, fill in the first two entries of .got.plt. */
|
||||
if (l->l_info[DT_JMPREL])
|
||||
{
|
||||
#if HAVE_LOONGARCH_VEC_ASM
|
||||
extern void _dl_runtime_resolve_lasx (void) attribute_hidden;
|
||||
extern void _dl_runtime_resolve_lsx (void) attribute_hidden;
|
||||
#endif
|
||||
extern void _dl_runtime_resolve (void) attribute_hidden;
|
||||
extern void _dl_runtime_profile (void) attribute_hidden;
|
||||
|
||||
@ -296,7 +300,14 @@ elf_machine_runtime_setup (struct link_map *l, struct r_scope_elem *scope[],
|
||||
/* This function will get called to fix up the GOT entry
|
||||
indicated by the offset on the stack, and then jump to
|
||||
the resolved address. */
|
||||
gotplt[0] = (ElfW (Addr)) & _dl_runtime_resolve;
|
||||
#if HAVE_LOONGARCH_VEC_ASM
|
||||
if (SUPPORT_LASX)
|
||||
gotplt[0] = (ElfW(Addr)) &_dl_runtime_resolve_lasx;
|
||||
else if (SUPPORT_LSX)
|
||||
gotplt[0] = (ElfW(Addr)) &_dl_runtime_resolve_lsx;
|
||||
else
|
||||
#endif
|
||||
gotplt[0] = (ElfW(Addr)) &_dl_runtime_resolve;
|
||||
}
|
||||
gotplt[1] = (ElfW (Addr)) l;
|
||||
}
|
||||
|
||||
@ -19,78 +19,26 @@
|
||||
#include <sysdep.h>
|
||||
#include <sys/asm.h>
|
||||
|
||||
#if HAVE_LOONGARCH_VEC_ASM
|
||||
#define USE_LASX
|
||||
#define _dl_runtime_resolve _dl_runtime_resolve_lasx
|
||||
#include "dl-trampoline.h"
|
||||
#undef FRAME_SIZE
|
||||
#undef USE_LASX
|
||||
#undef _dl_runtime_resolve
|
||||
|
||||
#define USE_LSX
|
||||
#define _dl_runtime_resolve _dl_runtime_resolve_lsx
|
||||
#include "dl-trampoline.h"
|
||||
#undef FRAME_SIZE
|
||||
#undef USE_LSX
|
||||
#undef _dl_runtime_resolve
|
||||
#endif
|
||||
|
||||
#include "dl-trampoline.h"
|
||||
|
||||
#include "dl-link.h"
|
||||
|
||||
/* Assembler veneer called from the PLT header code for lazy loading.
|
||||
The PLT header passes its own args in t0-t2. */
|
||||
#ifdef __loongarch_soft_float
|
||||
#define FRAME_SIZE (-((-10 * SZREG) & ALMASK))
|
||||
#else
|
||||
#define FRAME_SIZE (-((-10 * SZREG - 8 * SZFREG) & ALMASK))
|
||||
#endif
|
||||
|
||||
ENTRY (_dl_runtime_resolve)
|
||||
|
||||
/* Save arguments to stack. */
|
||||
ADDI sp, sp, -FRAME_SIZE
|
||||
REG_S ra, sp, 9*SZREG
|
||||
REG_S a0, sp, 1*SZREG
|
||||
REG_S a1, sp, 2*SZREG
|
||||
REG_S a2, sp, 3*SZREG
|
||||
REG_S a3, sp, 4*SZREG
|
||||
REG_S a4, sp, 5*SZREG
|
||||
REG_S a5, sp, 6*SZREG
|
||||
REG_S a6, sp, 7*SZREG
|
||||
REG_S a7, sp, 8*SZREG
|
||||
|
||||
#ifndef __loongarch_soft_float
|
||||
FREG_S fa0, sp, 10*SZREG + 0*SZFREG
|
||||
FREG_S fa1, sp, 10*SZREG + 1*SZFREG
|
||||
FREG_S fa2, sp, 10*SZREG + 2*SZFREG
|
||||
FREG_S fa3, sp, 10*SZREG + 3*SZFREG
|
||||
FREG_S fa4, sp, 10*SZREG + 4*SZFREG
|
||||
FREG_S fa5, sp, 10*SZREG + 5*SZFREG
|
||||
FREG_S fa6, sp, 10*SZREG + 6*SZFREG
|
||||
FREG_S fa7, sp, 10*SZREG + 7*SZFREG
|
||||
#endif
|
||||
|
||||
/* Update .got.plt and obtain runtime address of callee */
|
||||
SLLI a1, t1, 1
|
||||
or a0, t0, zero
|
||||
ADD a1, a1, t1
|
||||
la a2, _dl_fixup
|
||||
jirl ra, a2, 0
|
||||
or t1, v0, zero
|
||||
|
||||
/* Restore arguments from stack. */
|
||||
REG_L ra, sp, 9*SZREG
|
||||
REG_L a0, sp, 1*SZREG
|
||||
REG_L a1, sp, 2*SZREG
|
||||
REG_L a2, sp, 3*SZREG
|
||||
REG_L a3, sp, 4*SZREG
|
||||
REG_L a4, sp, 5*SZREG
|
||||
REG_L a5, sp, 6*SZREG
|
||||
REG_L a6, sp, 7*SZREG
|
||||
REG_L a7, sp, 8*SZREG
|
||||
|
||||
#ifndef __loongarch_soft_float
|
||||
FREG_L fa0, sp, 10*SZREG + 0*SZFREG
|
||||
FREG_L fa1, sp, 10*SZREG + 1*SZFREG
|
||||
FREG_L fa2, sp, 10*SZREG + 2*SZFREG
|
||||
FREG_L fa3, sp, 10*SZREG + 3*SZFREG
|
||||
FREG_L fa4, sp, 10*SZREG + 4*SZFREG
|
||||
FREG_L fa5, sp, 10*SZREG + 5*SZFREG
|
||||
FREG_L fa6, sp, 10*SZREG + 6*SZFREG
|
||||
FREG_L fa7, sp, 10*SZREG + 7*SZFREG
|
||||
#endif
|
||||
|
||||
ADDI sp, sp, FRAME_SIZE
|
||||
|
||||
/* Invoke the callee. */
|
||||
jirl zero, t1, 0
|
||||
END (_dl_runtime_resolve)
|
||||
|
||||
|
||||
ENTRY (_dl_runtime_profile)
|
||||
/* LoongArch we get called with:
|
||||
t0 linkr_map pointer
|
||||
|
||||
129
sysdeps/loongarch/dl-trampoline.h
Normal file
129
sysdeps/loongarch/dl-trampoline.h
Normal file
@ -0,0 +1,129 @@
|
||||
/* PLT trampolines.
|
||||
Copyright (C) 2022-2023 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/>. */
|
||||
|
||||
/* Assembler veneer called from the PLT header code for lazy loading.
|
||||
The PLT header passes its own args in t0-t2. */
|
||||
#ifndef __loongarch_soft_float
|
||||
# ifdef USE_LASX
|
||||
# define FRAME_SIZE (-((-9 * SZREG - 8 * SZFREG - 8 * SZXREG) & ALMASK))
|
||||
# elif defined USE_LSX
|
||||
# define FRAME_SIZE (-((-9 * SZREG - 8 * SZFREG - 8 * SZVREG) & ALMASK))
|
||||
# else
|
||||
# define FRAME_SIZE (-((-9 * SZREG - 8 * SZFREG) & ALMASK))
|
||||
# endif
|
||||
#else
|
||||
# define FRAME_SIZE (-((-9 * SZREG) & ALMASK))
|
||||
#endif
|
||||
|
||||
ENTRY (_dl_runtime_resolve)
|
||||
|
||||
/* Save arguments to stack. */
|
||||
ADDI sp, sp, -FRAME_SIZE
|
||||
|
||||
REG_S ra, sp, 0*SZREG
|
||||
REG_S a0, sp, 1*SZREG
|
||||
REG_S a1, sp, 2*SZREG
|
||||
REG_S a2, sp, 3*SZREG
|
||||
REG_S a3, sp, 4*SZREG
|
||||
REG_S a4, sp, 5*SZREG
|
||||
REG_S a5, sp, 6*SZREG
|
||||
REG_S a6, sp, 7*SZREG
|
||||
REG_S a7, sp, 8*SZREG
|
||||
|
||||
#ifdef USE_LASX
|
||||
xvst xr0, sp, 9*SZREG + 8*SZFREG + 0*SZXREG
|
||||
xvst xr1, sp, 9*SZREG + 8*SZFREG + 1*SZXREG
|
||||
xvst xr2, sp, 9*SZREG + 8*SZFREG + 2*SZXREG
|
||||
xvst xr3, sp, 9*SZREG + 8*SZFREG + 3*SZXREG
|
||||
xvst xr4, sp, 9*SZREG + 8*SZFREG + 4*SZXREG
|
||||
xvst xr5, sp, 9*SZREG + 8*SZFREG + 5*SZXREG
|
||||
xvst xr6, sp, 9*SZREG + 8*SZFREG + 6*SZXREG
|
||||
xvst xr7, sp, 9*SZREG + 8*SZFREG + 7*SZXREG
|
||||
#elif defined USE_LSX
|
||||
vst vr0, sp, 9*SZREG + 8*SZFREG + 0*SZVREG
|
||||
vst vr1, sp, 9*SZREG + 8*SZFREG + 1*SZVREG
|
||||
vst vr2, sp, 9*SZREG + 8*SZFREG + 2*SZVREG
|
||||
vst vr3, sp, 9*SZREG + 8*SZFREG + 3*SZVREG
|
||||
vst vr4, sp, 9*SZREG + 8*SZFREG + 4*SZVREG
|
||||
vst vr5, sp, 9*SZREG + 8*SZFREG + 5*SZVREG
|
||||
vst vr6, sp, 9*SZREG + 8*SZFREG + 6*SZVREG
|
||||
vst vr7, sp, 9*SZREG + 8*SZFREG + 7*SZVREG
|
||||
#elif !defined __loongarch_soft_float
|
||||
FREG_S fa0, sp, 9*SZREG + 0*SZFREG
|
||||
FREG_S fa1, sp, 9*SZREG + 1*SZFREG
|
||||
FREG_S fa2, sp, 9*SZREG + 2*SZFREG
|
||||
FREG_S fa3, sp, 9*SZREG + 3*SZFREG
|
||||
FREG_S fa4, sp, 9*SZREG + 4*SZFREG
|
||||
FREG_S fa5, sp, 9*SZREG + 5*SZFREG
|
||||
FREG_S fa6, sp, 9*SZREG + 6*SZFREG
|
||||
FREG_S fa7, sp, 9*SZREG + 7*SZFREG
|
||||
#endif
|
||||
|
||||
/* Update .got.plt and obtain runtime address of callee */
|
||||
SLLI a1, t1, 1
|
||||
or a0, t0, zero
|
||||
ADD a1, a1, t1
|
||||
la a2, _dl_fixup
|
||||
jirl ra, a2, 0
|
||||
or t1, v0, zero
|
||||
|
||||
/* Restore arguments from stack. */
|
||||
REG_L ra, sp, 0*SZREG
|
||||
REG_L a0, sp, 1*SZREG
|
||||
REG_L a1, sp, 2*SZREG
|
||||
REG_L a2, sp, 3*SZREG
|
||||
REG_L a3, sp, 4*SZREG
|
||||
REG_L a4, sp, 5*SZREG
|
||||
REG_L a5, sp, 6*SZREG
|
||||
REG_L a6, sp, 7*SZREG
|
||||
REG_L a7, sp, 8*SZREG
|
||||
|
||||
#ifdef USE_LASX
|
||||
xvld xr0, sp, 9*SZREG + 8*SZFREG + 0*SZXREG
|
||||
xvld xr1, sp, 9*SZREG + 8*SZFREG + 1*SZXREG
|
||||
xvld xr2, sp, 9*SZREG + 8*SZFREG + 2*SZXREG
|
||||
xvld xr3, sp, 9*SZREG + 8*SZFREG + 3*SZXREG
|
||||
xvld xr4, sp, 9*SZREG + 8*SZFREG + 4*SZXREG
|
||||
xvld xr5, sp, 9*SZREG + 8*SZFREG + 5*SZXREG
|
||||
xvld xr6, sp, 9*SZREG + 8*SZFREG + 6*SZXREG
|
||||
xvld xr7, sp, 9*SZREG + 8*SZFREG + 7*SZXREG
|
||||
#elif defined USE_LSX
|
||||
vld vr0, sp, 9*SZREG + 8*SZFREG + 0*SZVREG
|
||||
vld vr1, sp, 9*SZREG + 8*SZFREG + 1*SZVREG
|
||||
vld vr2, sp, 9*SZREG + 8*SZFREG + 2*SZVREG
|
||||
vld vr3, sp, 9*SZREG + 8*SZFREG + 3*SZVREG
|
||||
vld vr4, sp, 9*SZREG + 8*SZFREG + 4*SZVREG
|
||||
vld vr5, sp, 9*SZREG + 8*SZFREG + 5*SZVREG
|
||||
vld vr6, sp, 9*SZREG + 8*SZFREG + 6*SZVREG
|
||||
vld vr7, sp, 9*SZREG + 8*SZFREG + 7*SZVREG
|
||||
#elif !defined __loongarch_soft_float
|
||||
FREG_L fa0, sp, 9*SZREG + 0*SZFREG
|
||||
FREG_L fa1, sp, 9*SZREG + 1*SZFREG
|
||||
FREG_L fa2, sp, 9*SZREG + 2*SZFREG
|
||||
FREG_L fa3, sp, 9*SZREG + 3*SZFREG
|
||||
FREG_L fa4, sp, 9*SZREG + 4*SZFREG
|
||||
FREG_L fa5, sp, 9*SZREG + 5*SZFREG
|
||||
FREG_L fa6, sp, 9*SZREG + 6*SZFREG
|
||||
FREG_L fa7, sp, 9*SZREG + 7*SZFREG
|
||||
#endif
|
||||
|
||||
ADDI sp, sp, FRAME_SIZE
|
||||
|
||||
/* Invoke the callee. */
|
||||
jirl zero, t1, 0
|
||||
END (_dl_runtime_resolve)
|
||||
@ -20,6 +20,7 @@
|
||||
#define _LOONGARCH_LDSODEFS_H 1
|
||||
|
||||
#include <elf.h>
|
||||
#include <cpu-features.h>
|
||||
|
||||
struct La_loongarch_regs;
|
||||
struct La_loongarch_retval;
|
||||
|
||||
@ -25,6 +25,8 @@
|
||||
/* Macros to handle different pointer/register sizes for 32/64-bit code. */
|
||||
#define SZREG 8
|
||||
#define SZFREG 8
|
||||
#define SZVREG 16
|
||||
#define SZXREG 32
|
||||
#define REG_L ld.d
|
||||
#define REG_S st.d
|
||||
#define SRLI srli.d
|
||||
|
||||
@ -90,4 +90,22 @@
|
||||
#define fs6 $f30
|
||||
#define fs7 $f31
|
||||
|
||||
#define vr0 $vr0
|
||||
#define vr1 $vr1
|
||||
#define vr2 $vr2
|
||||
#define vr3 $vr3
|
||||
#define vr4 $vr4
|
||||
#define vr5 $vr5
|
||||
#define vr6 $vr6
|
||||
#define vr7 $vr7
|
||||
|
||||
#define xr0 $xr0
|
||||
#define xr1 $xr1
|
||||
#define xr2 $xr2
|
||||
#define xr3 $xr3
|
||||
#define xr4 $xr4
|
||||
#define xr5 $xr5
|
||||
#define xr6 $xr6
|
||||
#define xr7 $xr7
|
||||
|
||||
#endif /* _SYS_REGDEF_H */
|
||||
|
||||
37
sysdeps/unix/sysv/linux/loongarch/bits/hwcap.h
Normal file
37
sysdeps/unix/sysv/linux/loongarch/bits/hwcap.h
Normal file
@ -0,0 +1,37 @@
|
||||
/* Defines for bits in AT_HWCAP. LoongArch64 Linux version.
|
||||
Copyright (C) 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
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#if !defined (_SYS_AUXV_H)
|
||||
# error "Never include <bits/hwcap.h> directly; use <sys/auxv.h> instead."
|
||||
#endif
|
||||
|
||||
/* The following must match the kernel's <asm/hwcap.h>. */
|
||||
/* HWCAP flags */
|
||||
#define HWCAP_LOONGARCH_CPUCFG (1 << 0)
|
||||
#define HWCAP_LOONGARCH_LAM (1 << 1)
|
||||
#define HWCAP_LOONGARCH_UAL (1 << 2)
|
||||
#define HWCAP_LOONGARCH_FPU (1 << 3)
|
||||
#define HWCAP_LOONGARCH_LSX (1 << 4)
|
||||
#define HWCAP_LOONGARCH_LASX (1 << 5)
|
||||
#define HWCAP_LOONGARCH_CRC32 (1 << 6)
|
||||
#define HWCAP_LOONGARCH_COMPLEX (1 << 7)
|
||||
#define HWCAP_LOONGARCH_CRYPTO (1 << 8)
|
||||
#define HWCAP_LOONGARCH_LVZ (1 << 9)
|
||||
#define HWCAP_LOONGARCH_LBT_X86 (1 << 10)
|
||||
#define HWCAP_LOONGARCH_LBT_ARM (1 << 11)
|
||||
#define HWCAP_LOONGARCH_LBT_MIPS (1 << 12)
|
||||
29
sysdeps/unix/sysv/linux/loongarch/cpu-features.h
Normal file
29
sysdeps/unix/sysv/linux/loongarch/cpu-features.h
Normal file
@ -0,0 +1,29 @@
|
||||
/* Initialize CPU feature data. LoongArch64 version.
|
||||
This file is part of the GNU C Library.
|
||||
Copyright (C) 2022 Free Software Foundation, Inc.
|
||||
|
||||
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
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#ifndef _CPU_FEATURES_LOONGARCH64_H
|
||||
#define _CPU_FEATURES_LOONGARCH64_H
|
||||
|
||||
#include <sys/auxv.h>
|
||||
|
||||
#define SUPPORT_UAL (GLRO (dl_hwcap) & HWCAP_LOONGARCH_UAL)
|
||||
#define SUPPORT_LSX (GLRO (dl_hwcap) & HWCAP_LOONGARCH_LSX)
|
||||
#define SUPPORT_LASX (GLRO (dl_hwcap) & HWCAP_LOONGARCH_LASX)
|
||||
|
||||
#endif /* _CPU_FEATURES_LOONGARCH64_H */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user