diff options
Diffstat (limited to 'sysdeps/loongarch/bits')
-rw-r--r-- | sysdeps/loongarch/bits/endianness.h | 11 | ||||
-rw-r--r-- | sysdeps/loongarch/bits/link.h | 58 | ||||
-rw-r--r-- | sysdeps/loongarch/bits/setjmp.h | 39 |
3 files changed, 108 insertions, 0 deletions
diff --git a/sysdeps/loongarch/bits/endianness.h b/sysdeps/loongarch/bits/endianness.h new file mode 100644 index 0000000000..7290be7b18 --- /dev/null +++ b/sysdeps/loongarch/bits/endianness.h @@ -0,0 +1,11 @@ +#ifndef _BITS_ENDIANNESS_H +#define _BITS_ENDIANNESS_H 1 + +#ifndef _BITS_ENDIAN_H +#error "Never use <bits/endianness.h> directly; include <endian.h> instead." +#endif + +/* LoongArch is little-endian. */ +#define __BYTE_ORDER __LITTLE_ENDIAN + +#endif /* bits/endianness.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 + <https://www.gnu.org/licenses/>. */ + +#ifndef _LINK_H +#error "Never include <bits/link.h> directly; use <link.h> 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 diff --git a/sysdeps/loongarch/bits/setjmp.h b/sysdeps/loongarch/bits/setjmp.h new file mode 100644 index 0000000000..42f8fa7657 --- /dev/null +++ b/sysdeps/loongarch/bits/setjmp.h @@ -0,0 +1,39 @@ +/* Define the machine-dependent type `jmp_buf'. + 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 + <https://www.gnu.org/licenses/>. */ + +#ifndef _LOONGARCH_BITS_SETJMP_H +#define _LOONGARCH_BITS_SETJMP_H + +typedef struct __jmp_buf_internal_tag +{ + /* Program counter. */ + long int __pc; + /* Stack pointer. */ + long int __sp; + /* Reserved */ + long int __x; + /* Frame pointer. */ + long int __fp; + /* Callee-saved registers. */ + long int __regs[9]; + /* Callee-saved floating point registers. */ + double __fpregs[8]; + +} __jmp_buf[1]; + +#endif /* _LOONGARCH_BITS_SETJMP_H */ |