From a133942025da6fa62bb059b02f4e7a4b6e03e34a Mon Sep 17 00:00:00 2001 From: caiyinyu Date: Tue, 19 Jul 2022 09:20:46 +0800 Subject: LoongArch: ABI Implementation --- sysdeps/loongarch/sotruss-lib.c | 50 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 sysdeps/loongarch/sotruss-lib.c (limited to 'sysdeps/loongarch/sotruss-lib.c') diff --git a/sysdeps/loongarch/sotruss-lib.c b/sysdeps/loongarch/sotruss-lib.c new file mode 100644 index 0000000000..ce752785f6 --- /dev/null +++ b/sysdeps/loongarch/sotruss-lib.c @@ -0,0 +1,50 @@ +/* Override generic sotruss-lib.c to define actual functions for LoongArch. + 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 + . */ + +#define HAVE_ARCH_PLTENTER +#define HAVE_ARCH_PLTEXIT + +#include + +ElfW (Addr) +la_loongarch_gnu_pltenter (ElfW (Sym) *sym __attribute__ ((unused)), + unsigned int ndx __attribute__ ((unused)), + uintptr_t *refcook, uintptr_t *defcook, + La_loongarch_regs *regs, unsigned int *flags, + const char *symname, long int *framesizep) +{ + print_enter (refcook, defcook, symname, regs->lr_reg[0], regs->lr_reg[1], + regs->lr_reg[2], *flags); + + /* No need to copy anything, we will not need the parameters in any case. */ + *framesizep = 0; + + return sym->st_value; +} + +unsigned int +la_loongarch_gnu_pltexit (ElfW (Sym) *sym, unsigned int ndx, + uintptr_t *refcook, uintptr_t *defcook, + const struct La_loongarch_regs *inregs, + struct La_loongarch_retval *outregs, + const char *symname) +{ + print_exit (refcook, defcook, symname, outregs->lrv_a0); + + return 0; +} -- cgit 1.4.1