glibc/sysdeps/loongarch/preconfigure
mengqinggang 1dbf2bef79 LoongArch: Add support for TLS Descriptors
This is mostly based on AArch64 and RISC-V implementation.

Add R_LARCH_TLS_DESC32 and R_LARCH_TLS_DESC64 relocations.

For _dl_tlsdesc_dynamic function slow path, temporarily save and restore
all vector registers.
2024-05-15 10:31:53 +08:00

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# 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 "$float_abi" in
soft)
abi_flen=0
;;
single)
as_fn_error 1 "glibc does not yet support the single floating-point ABI!!" "$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
printf "%s\n" "#define LOONGARCH_ABI_GRLEN $grlen" >>confdefs.h
printf "%s\n" "#define LOONGARCH_ABI_FRLEN $abi_flen" >>confdefs.h
base_machine=loongarch
mtls_descriptor=desc
;;
esac