[v4,01/11] nds32: Build Infastructure

Message ID 1559735815-20093-2-git-send-email-vincentc@andestech.com
State Superseded
Headers show
Series
  • nds32 glibc port, v4
Related show

Commit Message

Vincent Chen June 5, 2019, 11:56 a.m.
This patch contains all needed Implies, configure and Makefile for nds32
port.

2019-06-03  Vincent Chen  <vincentc@andestech.com>
2019-06-03  CheWei Chuang  <cnoize@andestech.com>

        * sysdeps/nds32/Implies: New file.
        * sysdeps/nds32/Makefile: Likewise.
        * sysdeps/nds32/configure: Likewise.
        * sysdeps/nds32/configure.ac: Likewise.
        * sysdeps/nds32/nofpu/Implies: Likewise.
        * sysdeps/nds32/nptl/Makefile: Likewise.
        * sysdeps/nds32/preconfigure: Likewise.
        * sysdeps/unix/sysv/linux/nds32/Implies: Likewise.
        * sysdeps/unix/sysv/linux/nds32/Makefile: Likewise.
        * sysdeps/unix/sysv/linux/nds32/Versions: Likewise.
        * sysdeps/unix/sysv/linux/nds32/configure: Likewise.
        * sysdeps/unix/sysv/linux/nds32/configure.ac: Likewise.
        * sysdeps/unix/sysv/linux/nds32/shlib-versions: Likewise.
---
 sysdeps/nds32/Implies                        |  4 +++
 sysdeps/nds32/Makefile                       | 12 +++++++++
 sysdeps/nds32/configure                      | 10 ++++++++
 sysdeps/nds32/configure.ac                   | 10 ++++++++
 sysdeps/nds32/nofpu/Implies                  |  1 +
 sysdeps/nds32/nptl/Makefile                  |  4 +++
 sysdeps/nds32/preconfigure                   | 37 ++++++++++++++++++++++++++++
 sysdeps/unix/sysv/linux/nds32/Implies        |  3 +++
 sysdeps/unix/sysv/linux/nds32/Makefile       | 16 ++++++++++++
 sysdeps/unix/sysv/linux/nds32/Versions       | 11 +++++++++
 sysdeps/unix/sysv/linux/nds32/configure      |  4 +++
 sysdeps/unix/sysv/linux/nds32/configure.ac   |  4 +++
 sysdeps/unix/sysv/linux/nds32/shlib-versions |  9 +++++++
 13 files changed, 125 insertions(+)
 create mode 100644 sysdeps/nds32/Implies
 create mode 100644 sysdeps/nds32/Makefile
 create mode 100755 sysdeps/nds32/configure
 create mode 100644 sysdeps/nds32/configure.ac
 create mode 100644 sysdeps/nds32/nofpu/Implies
 create mode 100644 sysdeps/nds32/nptl/Makefile
 create mode 100644 sysdeps/nds32/preconfigure
 create mode 100644 sysdeps/unix/sysv/linux/nds32/Implies
 create mode 100644 sysdeps/unix/sysv/linux/nds32/Makefile
 create mode 100644 sysdeps/unix/sysv/linux/nds32/Versions
 create mode 100755 sysdeps/unix/sysv/linux/nds32/configure
 create mode 100644 sysdeps/unix/sysv/linux/nds32/configure.ac
 create mode 100644 sysdeps/unix/sysv/linux/nds32/shlib-versions

-- 
1.9.5

Comments

Andreas Schwab June 5, 2019, 12:18 p.m. | #1
On Jun 05 2019, Vincent Chen <vincentc@andestech.com> wrote:

> diff --git a/sysdeps/unix/sysv/linux/nds32/Versions b/sysdeps/unix/sysv/linux/nds32/Versions

> new file mode 100644

> index 0000000..abe47ce

> --- /dev/null

> +++ b/sysdeps/unix/sysv/linux/nds32/Versions

> @@ -0,0 +1,11 @@

> +ld {

> +  GLIBC_PRIVATE {

> +  # used for loading by static libraries

> +    _dl_var_init;

> +  }

> +}

> +libc {

> +  GLIBC_2.28 {


Since the base version is GLIBC_2.30, it doesn't make sense to reference
an earlier version.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."
Vincent Chen June 6, 2019, 5:31 a.m. | #2
On Wed, Jun 05, 2019 at 08:18:10PM +0800, Andreas Schwab wrote:
> On Jun 05 2019, Vincent Chen <vincentc@andestech.com> wrote:

> 

> > diff --git a/sysdeps/unix/sysv/linux/nds32/Versions b/sysdeps/unix/sysv/linux/nds32/Versions

> > new file mode 100644

> > index 0000000..abe47ce

> > --- /dev/null

> > +++ b/sysdeps/unix/sysv/linux/nds32/Versions

> > @@ -0,0 +1,11 @@

> > +ld {

> > +  GLIBC_PRIVATE {

> > +  # used for loading by static libraries

> > +    _dl_var_init;

> > +  }

> > +}

> > +libc {

> > +  GLIBC_2.28 {

> 

> Since the base version is GLIBC_2.30, it doesn't make sense to reference

> an earlier version.

>

I forget to update it. I will modify it in the next version patch.
Thanks for your reminder.

Regards,
Vincent

Patch

diff --git a/sysdeps/nds32/Implies b/sysdeps/nds32/Implies
new file mode 100644
index 0000000..ff699c7
--- /dev/null
+++ b/sysdeps/nds32/Implies
@@ -0,0 +1,4 @@ 
+init_array
+wordsize-32
+ieee754/dbl-64
+ieee754/flt-32
diff --git a/sysdeps/nds32/Makefile b/sysdeps/nds32/Makefile
new file mode 100644
index 0000000..5dc46c2
--- /dev/null
+++ b/sysdeps/nds32/Makefile
@@ -0,0 +1,12 @@ 
+
+long-double-fcts = no
+
+ifeq ($(subdir),elf)
+sysdep-dl-routines += tlsdesc dl-tlsdesc
+sysdep_routines += tlsdesc dl-tlsdesc
+sysdep-rtld-routines += tlsdesc dl-tlsdesc
+endif
+
+ifeq ($(subdir),csu)
+gen-as-const-headers += tlsdesc.sym
+endif
diff --git a/sysdeps/nds32/configure b/sysdeps/nds32/configure
new file mode 100755
index 0000000..8ece006
--- /dev/null
+++ b/sysdeps/nds32/configure
@@ -0,0 +1,10 @@ 
+# This file is generated from configure.ac by Autoconf.  DO NOT EDIT!
+ # Local configure fragment for sysdeps/nds32.
+
+# For nds32 ABI for linux toolchain, the $r15 register is not only an
+# assembler reserved register but also used to passing the sysem call
+# number. In order to ensure the data safety, $r15 is included in
+# clobber list by default. Using the option -minline-asm-r15 can
+# avoid the conflict between asm-specifier for syscall number and
+# clobber list when issuing system call by inline assembly.
+CFLAGS="$CFLAGS -minline-asm-r15"
diff --git a/sysdeps/nds32/configure.ac b/sysdeps/nds32/configure.ac
new file mode 100644
index 0000000..c0e2494
--- /dev/null
+++ b/sysdeps/nds32/configure.ac
@@ -0,0 +1,10 @@ 
+GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
+# Local configure fragment for sysdeps/nds32.
+
+# For nds32 ABI for linux toolchain, the $r15 register is not only an 
+# assembler reserved register but also used to passing the sysem call
+# number. In order to ensure the data safety, $r15 is included in
+# clobber list by default. Using the option -minline-asm-r15 can
+# avoid the conflict between asm-specifier for syscall number and
+# clobber list when issuing system call by inline assembly.
+CFLAGS="$CFLAGS -minline-asm-r15"
diff --git a/sysdeps/nds32/nofpu/Implies b/sysdeps/nds32/nofpu/Implies
new file mode 100644
index 0000000..abcbadb
--- /dev/null
+++ b/sysdeps/nds32/nofpu/Implies
@@ -0,0 +1 @@ 
+ieee754/soft-fp
diff --git a/sysdeps/nds32/nptl/Makefile b/sysdeps/nds32/nptl/Makefile
new file mode 100644
index 0000000..6f553d6
--- /dev/null
+++ b/sysdeps/nds32/nptl/Makefile
@@ -0,0 +1,4 @@ 
+
+ifeq ($(subdir),csu)
+gen-as-const-headers += tcb-offsets.sym
+endif
diff --git a/sysdeps/nds32/preconfigure b/sysdeps/nds32/preconfigure
new file mode 100644
index 0000000..a7acac9
--- /dev/null
+++ b/sysdeps/nds32/preconfigure
@@ -0,0 +1,37 @@ 
+case "$machine" in
+nds32*)
+    endian_abi_type=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define __NDS32_E\([B|L]*\)__ 1/\1/p'`
+    case "$endian_abi_type" in
+    L)
+       endian_abi_type=0
+       ;;
+    B)
+       echo "glibc does not yet support big-endian configuration" >&2
+       exit 1
+       ;;
+    esac
+
+    float_abi_type=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | grep ^"#define __NDS32_ABI_2FP_PLUS__" | wc -l`
+    case "$float_abi_type" in
+    0)
+       with_fp_cond=0
+       ;;
+    *)
+       flen=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | grep ^"#define __NDS32_EXT_FPU_DP__" | wc -l`
+       case "$flen" in
+       0)
+	  echo "glibc does not yet support nds32 v3s extension" >&2
+          exit 1
+          ;;
+       1)
+          float_abi_type=1
+          ;;
+       esac
+    esac
+
+    base_machine=nds32
+    machine=nds32
+
+    $as_echo "#define NDS32_ABI_TYPE 0x$float_abi_type$endian_abi_type" >>confdefs.h
+    ;;
+esac
diff --git a/sysdeps/unix/sysv/linux/nds32/Implies b/sysdeps/unix/sysv/linux/nds32/Implies
new file mode 100644
index 0000000..91b4e1e
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/nds32/Implies
@@ -0,0 +1,3 @@ 
+nds32/nptl
+unix/sysv/linux/generic/wordsize-32
+unix/sysv/linux/generic
diff --git a/sysdeps/unix/sysv/linux/nds32/Makefile b/sysdeps/unix/sysv/linux/nds32/Makefile
new file mode 100644
index 0000000..c9bb589
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/nds32/Makefile
@@ -0,0 +1,16 @@ 
+ifeq ($(subdir),misc)
+sysdep_headers += sys/cachectl.h
+sysdep_routines += cacheflush prctl mremap
+endif
+
+ifeq ($(subdir),stdlib)
+gen-as-const-headers += ucontext_i.sym
+endif
+
+ifeq ($(subdir),elf)
+sysdep_routines += dl-vdso
+ifeq ($(build-shared),yes)
+# This is needed for DSO loading from static binaries.
+sysdep-dl-routines += dl-static
+endif
+endif
diff --git a/sysdeps/unix/sysv/linux/nds32/Versions b/sysdeps/unix/sysv/linux/nds32/Versions
new file mode 100644
index 0000000..abe47ce
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/nds32/Versions
@@ -0,0 +1,11 @@ 
+ld {
+  GLIBC_PRIVATE {
+  # used for loading by static libraries
+    _dl_var_init;
+  }
+}
+libc {
+  GLIBC_2.28 {
+    cacheflush;
+  }
+}
diff --git a/sysdeps/unix/sysv/linux/nds32/configure b/sysdeps/unix/sysv/linux/nds32/configure
new file mode 100755
index 0000000..ceb6c90
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/nds32/configure
@@ -0,0 +1,4 @@ 
+# This file is generated from configure.ac by Autoconf.  DO NOT EDIT!
+ # Local configure fragment for sysdeps/unix/sysv/linux/nds32.
+
+arch_minimum_kernel=4.17.0
diff --git a/sysdeps/unix/sysv/linux/nds32/configure.ac b/sysdeps/unix/sysv/linux/nds32/configure.ac
new file mode 100644
index 0000000..91bf889
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/nds32/configure.ac
@@ -0,0 +1,4 @@ 
+GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
+# Local configure fragment for sysdeps/unix/sysv/linux/nds32.
+
+arch_minimum_kernel=4.17.0
diff --git a/sysdeps/unix/sysv/linux/nds32/shlib-versions b/sysdeps/unix/sysv/linux/nds32/shlib-versions
new file mode 100644
index 0000000..21fcaba
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/nds32/shlib-versions
@@ -0,0 +1,9 @@ 
+DEFAULT			GLIBC_2.30
+
+%if NDS32_ABI_TYPE == 0
+ld=ld-linux-nds32le.so.1
+%elif NDS32_ABI_TYPE == 0x10
+ld=ld-linux-nds32lef.so.1
+%else
+%error cannot determine ABI
+%endif