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/bits/link.h | 58 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 sysdeps/loongarch/bits/link.h (limited to 'sysdeps/loongarch/bits/link.h') diff --git a/sysdeps/loongarch/bits/link.h b/sysdeps/loongarch/bits/link.h new file mode 100644 index 0000000000..05c91575e9 --- /dev/null +++ b/sysdeps/loongarch/bits/link.h @@ -0,0 +1,58 @@ +/* Machine-specific declarations for dynamic linker interface. + 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 + . */ + +#ifndef _LINK_H +#error "Never include directly; use instead." +#endif + +typedef struct La_loongarch_regs +{ + unsigned long int lr_reg[8]; /* a0 - a7 */ + double lr_fpreg[8]; /* fa0 - fa7 */ + unsigned long int lr_ra; + unsigned long int lr_sp; +} La_loongarch_regs; + +/* Return values for calls from PLT on LoongArch. */ +typedef struct La_loongarch_retval +{ + unsigned long int lrv_a0; + unsigned long int lrv_a1; + double lrv_fa0; + double lrv_fa1; +} La_loongarch_retval; + +__BEGIN_DECLS + +extern ElfW (Addr) la_loongarch_gnu_pltenter (ElfW (Sym) *__sym, + unsigned int __ndx, + uintptr_t *__refcook, + uintptr_t *__defcook, + La_loongarch_regs *__regs, + unsigned int *__flags, + const char *__symname, + long int *__framesizep); +extern unsigned int la_loongarch_gnu_pltexit (ElfW (Sym) *__sym, + unsigned int __ndx, + uintptr_t *__refcook, + uintptr_t *__defcook, + const La_loongarch_regs *__inregs, + La_loongarch_retval *__outregs, + const char *__symname); + +__END_DECLS -- cgit 1.4.1