add implementation of new libgcc4net methods (__EndianSelect and Shutdown)

add file libstd-support.c with implementation of low level calls of libstd not present in libc/libm


git-svn-id: https://gcc.gnu.org/svn/gcc/branches/st/cli@134585 138bc75d-0d04-0410-961f-82ee72b054a4

6 files changed, 160 insertions, 4 deletions

diff --git a/libcilsupport/Makefile.am b/libcilsupport/Makefile.am
index fe0ffe64063..29343888e82 100644
--- a/libcilsupport/Makefile.am
+++ b/libcilsupport/Makefile.am
@@ -25,7 +25,6 @@
 # Andrea C. Ornstein    <andrea.ornstein@st.com>
 # Erven Rohou           <erven.rohou@st.com>
 
-AUTOMAKE_OPTIONS = 1.9.5 foreign
 ACLOCAL_AMFLAGS = -I .. -I ../config
 
 # May be used by various substitution variables.
@@ -35,6 +34,7 @@ toolexeclib_LTLIBRARIES = libcilsupport.la
 
 libcilsupport_la_SOURCES = \
 	gcc4net-support.c \
+	libstd-support.c \
 	runtime-support.c
 
 # No install-html or install-pdf support in automake yet
diff --git a/libcilsupport/Makefile.in b/libcilsupport/Makefile.in
index dfd0dc6ae4e..2d776e56fb9 100644
--- a/libcilsupport/Makefile.in
+++ b/libcilsupport/Makefile.in
@@ -91,7 +91,8 @@ am__installdirs = "$(DESTDIR)$(toolexeclibdir)"
 toolexeclibLTLIBRARIES_INSTALL = $(INSTALL)
 LTLIBRARIES = $(toolexeclib_LTLIBRARIES)
 libcilsupport_la_LIBADD =
-am_libcilsupport_la_OBJECTS = gcc4net-support.lo runtime-support.lo
+am_libcilsupport_la_OBJECTS = gcc4net-support.lo libstd-support.lo \
+	runtime-support.lo
 libcilsupport_la_OBJECTS = $(am_libcilsupport_la_OBJECTS)
 DEFAULT_INCLUDES = -I. -I$(srcdir)
 depcomp = $(SHELL) $(top_srcdir)/../depcomp
@@ -221,7 +222,6 @@ sysconfdir = @sysconfdir@
 target_alias = @target_alias@
 toolexecdir = @toolexecdir@
 toolexeclibdir = @toolexeclibdir@
-AUTOMAKE_OPTIONS = 1.9.5 foreign
 ACLOCAL_AMFLAGS = -I .. -I ../config
 
 # May be used by various substitution variables.
@@ -229,6 +229,7 @@ gcc_version := $(shell cat $(top_srcdir)/../gcc/BASE-VER)
 toolexeclib_LTLIBRARIES = libcilsupport.la
 libcilsupport_la_SOURCES = \
 	gcc4net-support.c \
+	libstd-support.c \
 	runtime-support.c
 
 all: all-am
@@ -305,6 +306,7 @@ distclean-compile:
 	-rm -f *.tab.c
 
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/gcc4net-support.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libstd-support.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/runtime-support.Plo@am__quote@
 
 .c.o:
diff --git a/libcilsupport/configure.ac b/libcilsupport/configure.ac
index 46688385ca3..623b97a2146 100644
--- a/libcilsupport/configure.ac
+++ b/libcilsupport/configure.ac
@@ -33,7 +33,7 @@ AC_PREREQ(2.59)
 AC_INIT(clisupport, 0.1)
 AC_CONFIG_SRCDIR(gcc4net-support.c)
 
-AM_INIT_AUTOMAKE
+AM_INIT_AUTOMAKE([1.9.5 foreign])
 
 AM_MAINTAINER_MODE
 AC_EXEEXT
diff --git a/libcilsupport/gcc4net-support.c b/libcilsupport/gcc4net-support.c
index 81403045763..32b3e31c5ba 100644
--- a/libcilsupport/gcc4net-support.c
+++ b/libcilsupport/gcc4net-support.c
@@ -1,5 +1,7 @@
 /*
+
    Copyright (C) 2006-2007 Free Software Foundation, Inc.
+   Contributed by STMicroelectronics
 
    This program is free software; you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the
@@ -44,6 +46,12 @@ gcc4net_StartupHelper_Startup_System_Void (void)
   /* TODO */
 }
 
+void
+gcc4net_StartupHelper_Shutdown_System_Int32_System_Void (int eval)
+{
+  /* TODO */
+}
+
 int
 gcc4net_Crt___isLittleEndian_System_Boolean (void)
 {
@@ -53,3 +61,16 @@ gcc4net_Crt___isLittleEndian_System_Boolean (void)
   char *b = (char *) &d;
   return b[0] == 0;
 }
+
+void*
+gcc4net_Crt___EndianSelect_System_Void__System_Void__System_Void_ (void* a1, void* a2)
+{
+  // big endian:    3f f0 00 00 00 00 00 00
+  // little endian: 00 00 00 00 00 00 f0 3f
+  double d = 1.0;
+  char *b = (char *) &d;
+  if (b[0]==0)
+      return a1;
+  else
+      return a2;
+}
diff --git a/libcilsupport/libstd-support.c b/libcilsupport/libstd-support.c
new file mode 100644
index 00000000000..a13fd4b316b
--- /dev/null
+++ b/libcilsupport/libstd-support.c
@@ -0,0 +1,131 @@
+/*
+
+   Copyright (C) 2006-2007 Free Software Foundation, Inc.
+   Contributed by STMicroelectronics
+
+   This program is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+
+   In other words, you are welcome to use, share and improve this program.
+   You are forbidden to forbid anyone else to use, share and improve
+   what you give them.   Help stamp out software-hoarding!
+
+   Author:
+     Ricardo Fernandez Pascual <ricardof@um.es>
+     Andrea C. Ornstein <andrea.ornstein@st.com>
+
+   Contact information at STMicroelectronics:
+     Andrea C. Ornstein <andrea.ornstein@st.com>
+     Erven Rohou        <erven.rohou@st.com>
+*/
+
+/* These should not be here, they are from stdlib.dll */
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <float.h>
+
+/* used in stdio.h */
+FILE *
+__io_ftable_get_entry (int i)
+{
+  switch (i) {
+  case 0:
+    return stdin;
+  case 1:
+    return stdout;
+  case 2:
+    return stderr;
+  default:
+    abort ();
+  }
+}
+
+/* used in errno.h */
+int *
+__errno__get_ptr (void)
+{
+  return &errno;
+}
+
+/* used in float.h */
+int
+__flt_rounds (void)
+{
+  return 1;
+}
+float
+__flt_nan (void)
+{
+    return __builtin_nanf ("");
+}
+float
+__flt_infinity (void)
+{
+    return __builtin_inff();
+}
+float
+__flt_epsilon (void)
+{
+    return FLT_EPSILON;
+}
+float
+__flt_minval (void)
+{
+    return FLT_MIN;
+}
+float
+__flt_maxval (void)
+{
+    return FLT_MAX;
+}
+float
+__flt_hugeval (void)
+{
+    return __builtin_huge_valf();
+}
+double
+__dbl_epsilon (void)
+{
+    return DBL_EPSILON;
+}
+double
+__dbl_minval (void)
+{
+    return DBL_MIN;
+}
+double
+__dbl_maxval (void)
+{
+    return DBL_MAX;
+}
+double
+__dbl_hugeval (void)
+{
+    return __builtin_huge_val();
+}
+
+/* Redefined in stdlib.h to avoid problems */
+int
+Libstd_atexit (void (*function) (void))
+{
+  return atexit (function);
+}
+
+void
+_libstd__init_System_Void (void)
+{
+}
diff --git a/libcilsupport/runtime-support.c b/libcilsupport/runtime-support.c
index 4a9380b1a67..474cc3f9a75 100644
--- a/libcilsupport/runtime-support.c
+++ b/libcilsupport/runtime-support.c
@@ -1,5 +1,7 @@
 /*
+
    Copyright (C) 2006-2007 Free Software Foundation, Inc.
+   Contributed by STMicroelectronics
 
    This program is free software; you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the