Contribute sh64-elf.

2001-03-13  Alexandre Oliva  <aoliva@redhat.com>
* configure.host (newlib_cflags) [sh*-*-*]: Enable long long
support in printf.
2001-01-29  Alexandre Oliva  <aoliva@redhat.com>
* libc/machine/sh/setjmp.S [SH5]: Switch to SHmedia mode before
any labels.
2001-01-24  Alexandre Oliva  <aoliva@redhat.com>
* libc/sys/sh/trap.S (___trap34) [SH5]: Don't trash r2.
2000-12-16  Alexandre Oliva  <aoliva@redhat.com>
* libc/machine/sh/configure.in: Rework conditionals.
* libc/machine/sh/Makefile.am: Likewise.
* libc/machine/sh/configure, libc/machine/sh/Makefile.in: Rebuilt.
2000-12-01  Alexandre Oliva  <aoliva@redhat.com>
* configure.host: Match `sh*'.
* libc/include/machine/setjmp.h: Define for SH5.
* libc/machine/sh/configure.in: Detect SH5.
* libc/machine/sh/configure: Rebuilt.
* libc/machine/sh/Makefile.am: Use only setjmp.S for SH5.
* libc/machine/sh/Makefile.in: Rebuilt.
* libc/machine/sh/asm.h: Adjust for SH5.
* libc/machine/sh/setjmp.S: Implement in SHmedia.
* libc/sys/sh/crt0.S: Likewise.
* libc/sys/sh/trap.S: Likewise.

6 files changed, 274 insertions, 4 deletions

diff --git a/newlib/libc/machine/sh/Makefile.am b/newlib/libc/machine/sh/Makefile.am
index 1aab718dd..9cb529347 100644
--- a/newlib/libc/machine/sh/Makefile.am
+++ b/newlib/libc/machine/sh/Makefile.am
@@ -6,7 +6,11 @@ INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
 
 noinst_LIBRARIES = lib.a
 
+if SH64
+lib_a_SOURCES = setjmp.S
+else
 lib_a_SOURCES = memcpy.S memset.S setjmp.S strcpy.S strcmp.S
+endif
 
 memcpy.o: asm.h
 memset.o: asm.h
diff --git a/newlib/libc/machine/sh/Makefile.in b/newlib/libc/machine/sh/Makefile.in
index 5d4b826cd..e6998feec 100644
--- a/newlib/libc/machine/sh/Makefile.in
+++ b/newlib/libc/machine/sh/Makefile.in
@@ -83,8 +83,8 @@ AUTOMAKE_OPTIONS = cygnus
 INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
 
 noinst_LIBRARIES = lib.a
-
-lib_a_SOURCES = memcpy.S memset.S setjmp.S strcpy.S strcmp.S
+@SH64_TRUE@lib_a_SOURCES = @SH64_TRUE@setjmp.S
+@SH64_FALSE@lib_a_SOURCES = @SH64_FALSE@memcpy.S memset.S setjmp.S strcpy.S strcmp.S
 
 ACLOCAL_AMFLAGS = -I ../../..
 CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host
@@ -98,7 +98,9 @@ DEFS = @DEFS@ -I. -I$(srcdir)
 CPPFLAGS = @CPPFLAGS@
 LIBS = @LIBS@
 lib_a_LIBADD = 
-lib_a_OBJECTS =  memcpy.o memset.o setjmp.o strcpy.o strcmp.o
+@SH64_TRUE@lib_a_OBJECTS =  setjmp.o
+@SH64_FALSE@lib_a_OBJECTS =  memcpy.o memset.o setjmp.o strcpy.o \
+@SH64_FALSE@strcmp.o
 CFLAGS = @CFLAGS@
 COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 CCLD = $(CC)
diff --git a/newlib/libc/machine/sh/asm.h b/newlib/libc/machine/sh/asm.h
index ed27fdb1e..cfdaa812b 100644
--- a/newlib/libc/machine/sh/asm.h
+++ b/newlib/libc/machine/sh/asm.h
@@ -5,8 +5,19 @@
 #endif
 #define _ASM_LABEL(x)   x
 
+#if __SH5__
+# if __SH5__ == 32 && __SHMEDIA__
+#  define TEXT .section .text..SHmedia32, "ax"
+# else
+#  define TEXT .text
+# endif
+
+# define _ENTRY(name)	\
+	TEXT; .align 4; .globl name; name:
+#else
 #define _ENTRY(name)	\
 	.text; .align 2; .globl name; name:
+#endif /* __SH5__ */
 
 #define ENTRY(name)	\
 	_ENTRY(_C_LABEL(name))
diff --git a/newlib/libc/machine/sh/configure b/newlib/libc/machine/sh/configure
index 6d988d60f..3dda65e59 100755
--- a/newlib/libc/machine/sh/configure
+++ b/newlib/libc/machine/sh/configure
@@ -1425,6 +1425,115 @@ fi
 
 
 
+echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
+echo "configure:1430: checking how to run the C preprocessor" >&5
+# On Suns, sometimes $CPP names a directory.
+if test -n "$CPP" && test -d "$CPP"; then
+  CPP=
+fi
+if test -z "$CPP"; then
+if eval "test \"`echo '$''{'ac_cv_prog_CPP'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+    # This must be in double quotes, not single quotes, because CPP may get
+  # substituted into the Makefile and "${CC-cc}" will confuse make.
+  CPP="${CC-cc} -E"
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp.
+  cat > conftest.$ac_ext <<EOF
+#line 1445 "configure"
+#include "confdefs.h"
+#include <assert.h>
+Syntax Error
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:1451: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  :
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  CPP="${CC-cc} -E -traditional-cpp"
+  cat > conftest.$ac_ext <<EOF
+#line 1462 "configure"
+#include "confdefs.h"
+#include <assert.h>
+Syntax Error
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:1468: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  :
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  CPP="${CC-cc} -nologo -E"
+  cat > conftest.$ac_ext <<EOF
+#line 1479 "configure"
+#include "confdefs.h"
+#include <assert.h>
+Syntax Error
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:1485: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  :
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  CPP=/lib/cpp
+fi
+rm -f conftest*
+fi
+rm -f conftest*
+fi
+rm -f conftest*
+  ac_cv_prog_CPP="$CPP"
+fi
+  CPP="$ac_cv_prog_CPP"
+else
+  ac_cv_prog_CPP="$CPP"
+fi
+echo "$ac_t""$CPP" 1>&6
+
+cat > conftest.$ac_ext <<EOF
+#line 1510 "configure"
+#include "confdefs.h"
+
+#if __SH5__
+  sh5
+#endif
+
+EOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  egrep "sh5" >/dev/null 2>&1; then
+  rm -rf conftest*
+  have_sh64=yes
+else
+  rm -rf conftest*
+  have_sh64=no
+fi
+rm -f conftest*
+
+
+
+if test $have_sh64 = yes; then
+  SH64_TRUE=
+  SH64_FALSE='#'
+else
+  SH64_TRUE='#'
+  SH64_FALSE=
+fi
+
 trap '' 1 2 15
 cat > confcache <<\EOF
 # This file is a shell script that caches the results of configure
@@ -1608,6 +1717,9 @@ s%@aext@%$aext%g
 s%@libm_machine_dir@%$libm_machine_dir%g
 s%@machine_dir@%$machine_dir%g
 s%@sys_dir@%$sys_dir%g
+s%@CPP@%$CPP%g
+s%@SH64_TRUE@%$SH64_TRUE%g
+s%@SH64_FALSE@%$SH64_FALSE%g
 
 CEOF
 EOF
@@ -1616,7 +1728,7 @@ cat >> $CONFIG_STATUS <<\EOF
 
 # Split the substitutions into bite-sized pieces for seds with
 # small command number limits, like on Digital OSF/1 and HP-UX.
-ac_max_sed_cmds=60 # Maximum number of lines to put in a sed script.
+ac_max_sed_cmds=90 # Maximum number of lines to put in a sed script.
 ac_file=1 # Number of current file.
 ac_beg=1 # First line for current file.
 ac_end=$ac_max_sed_cmds # Line after last line for current file.
diff --git a/newlib/libc/machine/sh/configure.in b/newlib/libc/machine/sh/configure.in
index ffd27974d..7fb5afd0e 100644
--- a/newlib/libc/machine/sh/configure.in
+++ b/newlib/libc/machine/sh/configure.in
@@ -9,4 +9,11 @@ AC_CONFIG_AUX_DIR(../../../..)
 
 NEWLIB_CONFIGURE(../../..)
 
+AC_EGREP_CPP([sh5], [
+#if __SH5__
+  sh5
+#endif
+], [have_sh64=yes], [have_sh64=no])
+AM_CONDITIONAL(SH64, [test $have_sh64 = yes])
+
 AC_OUTPUT(Makefile)
diff --git a/newlib/libc/machine/sh/setjmp.S b/newlib/libc/machine/sh/setjmp.S
index 363e8f23b..9508496f1 100644
--- a/newlib/libc/machine/sh/setjmp.S
+++ b/newlib/libc/machine/sh/setjmp.S
@@ -1,6 +1,77 @@
+/* We want to pretend we're in SHmedia mode, even when assembling for
+   SHcompact.  */
+#if __SH5__ == 32 && ! __SHMEDIA__
+# undef __SHMEDIA__
+# define __SHMEDIA__ 1
+#endif
+
+#if __SHMEDIA__
+	.mode	SHmedia
+#endif
+
 #include "asm.h"
 
 ENTRY(setjmp)
+#if __SH5__
+	ptabs	r18, tr0
+	gettr	tr5, r5
+	gettr	tr6, r6
+	gettr	tr7, r7
+	st.q	r2,  0*8, r18
+	st.q	r2,  1*8, r10
+	st.q	r2,  2*8, r11
+	st.q	r2,  3*8, r12
+	st.q	r2,  4*8, r13
+	st.q	r2,  5*8, r14
+	st.q	r2,  6*8, r15
+	st.q	r2,  7*8, r28
+	st.q	r2,  8*8, r29
+	st.q	r2,  9*8, r30
+	st.q	r2, 10*8, r31
+	st.q	r2, 11*8, r32
+	st.q	r2, 12*8, r33
+	st.q	r2, 13*8, r34
+	st.q	r2, 14*8, r35
+	st.q	r2, 15*8, r44
+	st.q	r2, 16*8, r45
+	st.q	r2, 17*8, r46
+	st.q	r2, 18*8, r47
+	st.q	r2, 19*8, r48
+	st.q	r2, 20*8, r49
+	st.q	r2, 21*8, r50
+	st.q	r2, 22*8, r51
+	st.q	r2, 23*8, r52
+	st.q	r2, 24*8, r53
+	st.q	r2, 25*8, r54
+	st.q	r2, 26*8, r55
+	st.q	r2, 27*8, r56
+	st.q	r2, 28*8, r57
+	st.q	r2, 29*8, r58
+	st.q	r2, 30*8, r59
+	st.q	r2, 31*8, r5
+	st.q	r2, 32*8, r6
+	st.q	r2, 33*8, r7
+#if ! __SH4_NOFPU__
+	fst.d	r2, 34*8, dr12
+	fst.d	r2, 35*8, dr14
+	fst.d	r2, 36*8, dr36
+	fst.d	r2, 37*8, dr38
+	fst.d	r2, 38*8, dr40
+	fst.d	r2, 39*8, dr42
+	fst.d	r2, 40*8, dr44
+	fst.d	r2, 41*8, dr46
+	fst.d	r2, 42*8, dr48
+	fst.d	r2, 43*8, dr50
+	fst.d	r2, 44*8, dr52
+	fst.d	r2, 45*8, dr54
+	fst.d	r2, 46*8, dr56
+	fst.d	r2, 47*8, dr58
+	fst.d	r2, 48*8, dr60
+	fst.d	r2, 49*8, dr62
+#endif
+	movi	0, r2
+	blink	tr0, r63
+#else
 #if defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__)
 	add	#(13*4),r4
 #else
@@ -28,8 +99,70 @@ ENTRY(setjmp)
 
 	rts
 	mov    #0,r0
+#endif /* __SH5__ */
 
 ENTRY(longjmp)
+#if __SH5__
+	ld.q	r2,  0*8, r18
+	ptabs	r18, tr0
+	ld.q	r2,  1*8, r10
+	ld.q	r2,  2*8, r11
+	ld.q	r2,  3*8, r12
+	ld.q	r2,  4*8, r13
+	ld.q	r2,  5*8, r14
+	ld.q	r2,  6*8, r15
+	ld.q	r2,  7*8, r28
+	ld.q	r2,  8*8, r29
+	ld.q	r2,  9*8, r30
+	ld.q	r2, 10*8, r31
+	ld.q	r2, 11*8, r32
+	ld.q	r2, 12*8, r33
+	ld.q	r2, 13*8, r34
+	ld.q	r2, 14*8, r35
+	ld.q	r2, 15*8, r44
+	ld.q	r2, 16*8, r45
+	ld.q	r2, 17*8, r46
+	ld.q	r2, 18*8, r47
+	ld.q	r2, 19*8, r48
+	ld.q	r2, 20*8, r49
+	ld.q	r2, 21*8, r50
+	ld.q	r2, 22*8, r51
+	ld.q	r2, 23*8, r52
+	ld.q	r2, 24*8, r53
+	ld.q	r2, 25*8, r54
+	ld.q	r2, 26*8, r55
+	ld.q	r2, 27*8, r56
+	ld.q	r2, 28*8, r57
+	ld.q	r2, 29*8, r58
+	ld.q	r2, 30*8, r59
+	ld.q	r2, 31*8, r5
+	ld.q	r2, 32*8, r6
+	ld.q	r2, 33*8, r7
+	ptabs	r5, tr5
+	ptabs	r6, tr6
+	ptabs	r7, tr7
+#if ! __SH4_NOFPU__
+	fld.d	r2, 34*8, dr12
+	fld.d	r2, 35*8, dr14
+	fld.d	r2, 36*8, dr36
+	fld.d	r2, 37*8, dr38
+	fld.d	r2, 38*8, dr40
+	fld.d	r2, 39*8, dr42
+	fld.d	r2, 40*8, dr44
+	fld.d	r2, 41*8, dr46
+	fld.d	r2, 42*8, dr48
+	fld.d	r2, 43*8, dr50
+	fld.d	r2, 44*8, dr52
+	fld.d	r2, 45*8, dr54
+	fld.d	r2, 46*8, dr56
+	fld.d	r2, 47*8, dr58
+	fld.d	r2, 48*8, dr60
+	fld.d	r2, 49*8, dr62
+#endif
+	movi	1, r2
+	cmvne	r3, r3, r2
+	blink	tr0, r63
+#else
 	mov.l	@r4+,r8
 	mov.l	@r4+,r9
 	mov.l	@r4+,r10
@@ -55,3 +188,4 @@ ENTRY(longjmp)
 	movt	r0
 retr4:	rts
 	nop
+#endif /* __SH5__ */