diff options
Diffstat (limited to 'sysdeps/loongarch')
| -rw-r--r-- | sysdeps/loongarch/Implies | 3 | ||||
| -rw-r--r-- | sysdeps/loongarch/Makefile | 15 | ||||
| -rw-r--r-- | sysdeps/loongarch/configure | 5 | ||||
| -rw-r--r-- | sysdeps/loongarch/configure.ac | 6 | ||||
| -rw-r--r-- | sysdeps/loongarch/lp64/Implies-after | 1 | ||||
| -rw-r--r-- | sysdeps/loongarch/preconfigure | 53 | ||||
| -rw-r--r-- | sysdeps/loongarch/preconfigure.ac | 47 | ||||
| -rw-r--r-- | sysdeps/loongarch/sys/regdef.h | 93 |
8 files changed, 223 insertions, 0 deletions
diff --git a/sysdeps/loongarch/Implies b/sysdeps/loongarch/Implies new file mode 100644 index 0000000000..1945b1f4bb --- /dev/null +++ b/sysdeps/loongarch/Implies @@ -0,0 +1,3 @@ +ieee754/ldbl-128 +ieee754/dbl-64 +ieee754/flt-32 diff --git a/sysdeps/loongarch/Makefile b/sysdeps/loongarch/Makefile new file mode 100644 index 0000000000..41c3449670 --- /dev/null +++ b/sysdeps/loongarch/Makefile @@ -0,0 +1,15 @@ +ifeq ($(subdir),misc) +sysdep_headers += sys/asm.h +endif + +# LoongArch's assembler also needs to know about PIC as it changes the +# definition of some assembler macros. +ASFLAGS-.os += $(pic-ccflag) + +abi-variants := lp64 + +ifeq (,$(filter $(default-abi),$(abi-variants))) +$(error Unknown ABI $(default-abi), must be one of $(abi-variants)) +endif + +abi-lp64-condition := defined __loongarch_lp64 diff --git a/sysdeps/loongarch/configure b/sysdeps/loongarch/configure new file mode 100644 index 0000000000..43b54d4965 --- /dev/null +++ b/sysdeps/loongarch/configure @@ -0,0 +1,5 @@ +# This file is generated from configure.ac by Autoconf. DO NOT EDIT! + # Local configure fragment for sysdeps/loongarch/elf. + +$as_echo "#define HIDDEN_VAR_NEEDS_DYNAMIC_RELOC 1" >>confdefs.h + diff --git a/sysdeps/loongarch/configure.ac b/sysdeps/loongarch/configure.ac new file mode 100644 index 0000000000..f744367bf3 --- /dev/null +++ b/sysdeps/loongarch/configure.ac @@ -0,0 +1,6 @@ +GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. +# Local configure fragment for sysdeps/loongarch/elf. + +dnl It is always possible to access static and hidden symbols in an +dnl position independent way. +AC_DEFINE(HIDDEN_VAR_NEEDS_DYNAMIC_RELOC) diff --git a/sysdeps/loongarch/lp64/Implies-after b/sysdeps/loongarch/lp64/Implies-after new file mode 100644 index 0000000000..a8cae95f9d --- /dev/null +++ b/sysdeps/loongarch/lp64/Implies-after @@ -0,0 +1 @@ +wordsize-64 diff --git a/sysdeps/loongarch/preconfigure b/sysdeps/loongarch/preconfigure new file mode 100644 index 0000000000..118963cda6 --- /dev/null +++ b/sysdeps/loongarch/preconfigure @@ -0,0 +1,53 @@ +# This file is generated from configure.ac by Autoconf. DO NOT EDIT! +# Local preconfigure fragment for sysdeps/loongarch + +case "$machine" in +loongarch*) + + abi=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define __loongarch_\(lp64\|ilp32\).*/\1/p'` + float_abi=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define __loongarch_\(soft\|single\|double\)_float.*/\1/p'` + + with_fp_cond="!defined __loongarch_soft_float" + + case "$float_abi" in + soft) + abi_flen=0 + as_fn_error 1 "loongarch does not yet support soft floating-point ABI!!" "$LINENO" 5 + ;; + single) + as_fn_error 1 "glibc does not yet support the single floating-point ABI!!" "$LINENO" 5 + ;; + double) + abi_flen=64 + ;; + *) + as_fn_error 1 "Unable to determine floating-point ABI!!" "$LINENO" 5 + ;; + esac + + case "$abi" in + ilp32) + as_fn_error 1 "loongarch does not yet support ilp32 ABI!!" "$LINENO" 5 + ;; + lp64) + grlen=64 + machine=loongarch/lp64 + ;; + *) + as_fn_error 1 "Unable to determine GRLEN!!" "$LINENO" 5 + ;; + esac + + cat >>confdefs.h <<_ACEOF +#define LOONGARCH_ABI_GRLEN $grlen +_ACEOF + + cat >>confdefs.h <<_ACEOF +#define LOONGARCH_ABI_FRLEN $abi_flen +_ACEOF + + + base_machine=loongarch + ;; +esac + diff --git a/sysdeps/loongarch/preconfigure.ac b/sysdeps/loongarch/preconfigure.ac new file mode 100644 index 0000000000..1aba743c15 --- /dev/null +++ b/sysdeps/loongarch/preconfigure.ac @@ -0,0 +1,47 @@ +GLIBC_PROVIDES[]dnl See aclocal.m4 in the top level source directory. +# Local preconfigure fragment for sysdeps/loongarch + +case "$machine" in +loongarch*) + + abi=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define __loongarch_\(lp64\|ilp32\).*/\1/p'` + float_abi=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define __loongarch_\(soft\|single\|double\)_float.*/\1/p'` + + with_fp_cond="!defined __loongarch_soft_float" + + case "$float_abi" in + soft) + abi_flen=0 + AC_MSG_ERROR([loongarch does not yet support soft floating-point ABI!!], 1) + ;; + single) + AC_MSG_ERROR([glibc does not yet support the single floating-point ABI!!], 1) + ;; + double) + abi_flen=64 + ;; + *) + AC_MSG_ERROR([Unable to determine floating-point ABI!!], 1) + ;; + esac + + case "$abi" in + ilp32) + AC_MSG_ERROR([loongarch does not yet support ilp32 ABI!!], 1) + ;; + lp64) + grlen=64 + machine=loongarch/lp64 + ;; + *) + AC_MSG_ERROR([Unable to determine GRLEN!!], 1) + ;; + esac + + AC_DEFINE_UNQUOTED([LOONGARCH_ABI_GRLEN], [$grlen]) + AC_DEFINE_UNQUOTED([LOONGARCH_ABI_FRLEN], [$abi_flen]) + + base_machine=loongarch + ;; +esac + diff --git a/sysdeps/loongarch/sys/regdef.h b/sysdeps/loongarch/sys/regdef.h new file mode 100644 index 0000000000..d266df372d --- /dev/null +++ b/sysdeps/loongarch/sys/regdef.h @@ -0,0 +1,93 @@ +/* Register Macro definitions + 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 _SYS_REGDEF_H +#define _SYS_REGDEF_H + +#define zero $r0 +#define ra $r1 +#define tp $r2 +#define sp $r3 +#define a0 $r4 +#define a1 $r5 +#define a2 $r6 +#define a3 $r7 +#define a4 $r8 +#define a5 $r9 +#define a6 $r10 +#define a7 $r11 +#define v0 $r4 +#define v1 $r5 +#define t0 $r12 +#define t1 $r13 +#define t2 $r14 +#define t3 $r15 +#define t4 $r16 +#define t5 $r17 +#define t6 $r18 +#define t7 $r19 +#define t8 $r20 +#define x $r21 +#define fp $r22 +#define s0 $r23 +#define s1 $r24 +#define s2 $r25 +#define s3 $r26 +#define s4 $r27 +#define s5 $r28 +#define s6 $r29 +#define s7 $r30 +#define s8 $r31 + +#define fa0 $f0 +#define fa1 $f1 +#define fa2 $f2 +#define fa3 $f3 +#define fa4 $f4 +#define fa5 $f5 +#define fa6 $f6 +#define fa7 $f7 +#define fv0 $f0 +#define fv1 $f1 +#define ft0 $f8 +#define ft1 $f9 +#define ft2 $f10 +#define ft3 $f11 +#define ft4 $f12 +#define ft5 $f13 +#define ft6 $f14 +#define ft7 $f15 +#define ft8 $f16 +#define ft9 $f17 +#define ft10 $f18 +#define ft11 $f19 +#define ft12 $f20 +#define ft13 $f21 +#define ft14 $f22 +#define ft15 $f23 +#define fs0 $f24 +#define fs1 $f25 +#define fs2 $f26 +#define fs3 $f27 +#define fs4 $f28 +#define fs5 $f29 +#define fs6 $f30 +#define fs7 $f31 + +#endif /* _SYS_REGDEF_H */ |