aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/unix
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/unix')
-rw-r--r--sysdeps/unix/sysv/linux/mips/configure142
-rw-r--r--sysdeps/unix/sysv/linux/mips/configure.ac53
-rw-r--r--sysdeps/unix/sysv/linux/mips/ldsodefs.h2
-rw-r--r--sysdeps/unix/sysv/linux/mips/libc-abis3
4 files changed, 199 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/mips/configure b/sysdeps/unix/sysv/linux/mips/configure
index 6db1f80a4f..83f8b13aab 100644
--- a/sysdeps/unix/sysv/linux/mips/configure
+++ b/sysdeps/unix/sysv/linux/mips/configure
@@ -105,6 +105,148 @@ if test -z "$libc_mips_float"; then
as_fn_error $? "could not determine if compiler is using hard or soft floating point ABI" "$LINENO" 5
fi
+libc_mips_o32_fp=
+
+if test x"$libc_mips_abi" = xo32 -a x"$libc_mips_float" = xhard; then
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+ #if !defined(__mips_fpr)
+ #error Missing FPR sizes
+ #endif
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+ #if (__mips_fpr != 32)
+ #error Not FP32
+ #endif
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ libc_mips_o32_fp=32
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+ #if (__mips_fpr != 0) || !defined(_MIPS_SPFPSET) || (_MIPS_SPFPSET != 16)
+ #error Not FPXX (without odd single-precision registers)
+ #endif
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ libc_mips_o32_fp=xx
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+ #if (__mips_fpr != 0)
+ #error Not FPXX (with odd single precision registers)
+ #endif
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ libc_mips_o32_fp=xxo
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+ #if (__mips_fpr != 64) || !defined(_MIPS_SPFPSET) || (_MIPS_SPFPSET != 16)
+ #error Not FP64A
+ #endif
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ libc_mips_o32_fp=64a
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+ #if (__mips_fpr != 64)
+ #error Not FP64
+ #endif
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ libc_mips_o32_fp=64
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+config_vars="$config_vars
+o32-fpabi = ${libc_mips_o32_fp}"
+
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+ #include <linux/prctl.h>
+ #if !defined(PR_GET_FP_MODE) || !defined(PR_SET_FP_MODE)
+ #error New prctl support for setting FP modes not found
+ #endif
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ libc_mips_mode_switch=yes
+else
+ libc_mips_mode_switch=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+config_vars="$config_vars
+mips-mode-switch = ${libc_mips_mode_switch}"
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
diff --git a/sysdeps/unix/sysv/linux/mips/configure.ac b/sysdeps/unix/sysv/linux/mips/configure.ac
index c3f217a34f..5039ec969f 100644
--- a/sysdeps/unix/sysv/linux/mips/configure.ac
+++ b/sysdeps/unix/sysv/linux/mips/configure.ac
@@ -44,6 +44,59 @@ if test -z "$libc_mips_float"; then
AC_MSG_ERROR([could not determine if compiler is using hard or soft floating point ABI])
fi
+libc_mips_o32_fp=
+
+if test x"$libc_mips_abi" = xo32 -a x"$libc_mips_float" = xhard; then
+ AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([
+ #if !defined(__mips_fpr)
+ #error Missing FPR sizes
+ #endif])],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([
+ #if (__mips_fpr != 32)
+ #error Not FP32
+ #endif])],
+ [libc_mips_o32_fp=32],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([
+ #if (__mips_fpr != 0) || !defined(_MIPS_SPFPSET) || (_MIPS_SPFPSET != 16)
+ #error Not FPXX (without odd single-precision registers)
+ #endif])],
+ [libc_mips_o32_fp=xx],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([
+ #if (__mips_fpr != 0)
+ #error Not FPXX (with odd single precision registers)
+ #endif])],
+ [libc_mips_o32_fp=xxo],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([
+ #if (__mips_fpr != 64) || !defined(_MIPS_SPFPSET) || (_MIPS_SPFPSET != 16)
+ #error Not FP64A
+ #endif])],
+ [libc_mips_o32_fp=64a],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([
+ #if (__mips_fpr != 64)
+ #error Not FP64
+ #endif])],
+ [libc_mips_o32_fp=64],
+ [])])])])])],
+ [])
+fi
+LIBC_CONFIG_VAR([o32-fpabi],[${libc_mips_o32_fp}])
+
+AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([
+ #include <linux/prctl.h>
+ #if !defined(PR_GET_FP_MODE) || !defined(PR_SET_FP_MODE)
+ #error New prctl support for setting FP modes not found
+ #endif])],
+ [libc_mips_mode_switch=yes],
+ [libc_mips_mode_switch=no])
+LIBC_CONFIG_VAR([mips-mode-switch],[${libc_mips_mode_switch}])
+
AC_CACHE_CHECK([whether the compiler is using the 2008 NaN encoding],
libc_cv_mips_nan2008, [AC_EGREP_CPP(yes, [dnl
#ifdef __mips_nan2008
diff --git a/sysdeps/unix/sysv/linux/mips/ldsodefs.h b/sysdeps/unix/sysv/linux/mips/ldsodefs.h
index d7c62f4b9c..70f8f16956 100644
--- a/sysdeps/unix/sysv/linux/mips/ldsodefs.h
+++ b/sysdeps/unix/sysv/linux/mips/ldsodefs.h
@@ -34,7 +34,7 @@ extern void _dl_static_init (struct link_map *map);
#undef VALID_ELF_ABIVERSION
#define VALID_ELF_ABIVERSION(osabi,ver) \
(ver == 0 \
- || (osabi == ELFOSABI_SYSV && ver < 2) \
+ || (osabi == ELFOSABI_SYSV && ver < 4) \
|| (osabi == ELFOSABI_GNU && ver < LIBC_ABI_MAX))
#endif /* ldsodefs.h */
diff --git a/sysdeps/unix/sysv/linux/mips/libc-abis b/sysdeps/unix/sysv/linux/mips/libc-abis
index f180a03efd..14ff60322a 100644
--- a/sysdeps/unix/sysv/linux/mips/libc-abis
+++ b/sysdeps/unix/sysv/linux/mips/libc-abis
@@ -11,3 +11,6 @@ MIPS_PLT mips*-*-linux*
# Unique symbol definitions for C++.
# Architecture independent, all ELF targets (== all targets)
UNIQUE
+#
+# MIPS O32 FP64
+MIPS_O32_FP64 mips*-*-linux*
generated by cgit v1.2.3-70-g09d2 (git 2.48.1) at 2025-02-19 00:33:07 +0000