* config.gcc: Recognize powerpc-*-netbsd*.

* doc/install.texi (Host/target specific installation notes for
GCC): Mention powerpc-*-netbsd*.
* config/rs6000/netbsd.h: New file.
(STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
(LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
(ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
(LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
(TARGET_VERSION): Redefine.
* config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
mcall-netbsd as a match for mcall-sysv.
(EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
(ncrti.S, ncrtn.S): New targets.
($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
* config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
"netbsd' as a V4 ABI.
(ASM_SPEC): Check for -mcall-netbsd.
(CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
(CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
(LIB_SPEC, ENDFILE_SPEC): Ditto.
(LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
(ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
(LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
(SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
* doc/invoke.texi (Option Summary): Add -mcall-netbsd.
(RS/6000 and PowerPC Options): Mention -mcall-netbsd.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44552 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 134 insertions, 15 deletions

diff --git a/gcc/config/rs6000/netbsd.h b/gcc/config/rs6000/netbsd.h
new file mode 100644
index 00000000000..9978db50231
--- /dev/null
+++ b/gcc/config/rs6000/netbsd.h
@@ -0,0 +1,61 @@
+/* Definitions of target machine for GNU compiler,
+   for PowerPC NetBSD systems.
+   Copyright 2001 Free Software Foundation, Inc.
+
+This file is part of GNU CC.
+
+GNU CC 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.
+
+GNU CC 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 GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* Under NetBSD, the normal location of the various *crt*.o files is
+   the /usr/lib directory [from config/netbsd.h].  */
+
+#undef STANDARD_STARTFILE_PREFIX
+#define STANDARD_STARTFILE_PREFIX "/usr/lib/"
+
+/* FIXME: Should this macro be treated the same as for the other
+   spec's?  */
+/* NOTE: -dc and -dp are equivalent yet NetBSD's CC passes both both!
+   NetBSD's CC also passes -O1 but we can skip that.  NetBSD explictly
+   sets ``-e _start'', since LD knows this, skip it.  */
+
+#undef LINK_SHLIB_SPEC
+#define LINK_SHLIB_SPEC "\
+%{shared:-shared} \
+%{!shared: %{static:-dc -dp -static}} \
+%{!shared: %{!static:-dc -dp}} \
+"
+
+/* Override the defaults. */
+#undef LIB_DEFAULT_SPEC
+#define LIB_DEFAULT_SPEC "%(lib_netbsd)"
+
+#undef STARTFILE_DEFAULT_SPEC
+#define STARTFILE_DEFAULT_SPEC "%(startfile_netbsd)"
+
+#undef ENDFILE_DEFAULT_SPEC
+#define ENDFILE_DEFAULT_SPEC "%(endfile_netbsd)"
+
+#undef LINK_START_DEFAULT_SPEC
+#define LINK_START_DEFAULT_SPEC "%(link_start_netbsd)"
+
+#undef	LINK_OS_DEFAULT_SPEC
+#define LINK_OS_DEFAULT_SPEC "%(link_os_netbsd)"
+
+#undef	CPP_OS_DEFAULT_SPEC
+#define CPP_OS_DEFAULT_SPEC "%(cpp_os_netbsd)"
+
+#undef TARGET_VERSION
+#define TARGET_VERSION fprintf (stderr, " (PowerPC NetBSD/ELF)");
diff --git a/gcc/config/rs6000/sysv4.h b/gcc/config/rs6000/sysv4.h
index c8930c7e103..9871d20c1f6 100644
--- a/gcc/config/rs6000/sysv4.h
+++ b/gcc/config/rs6000/sysv4.h
@@ -275,6 +275,8 @@ do {									\
     rs6000_current_abi = ABI_AIX;					\
   else if (!strcmp (rs6000_abi_name, "linux"))				\
     rs6000_current_abi = ABI_V4;					\
+  else if (!strcmp (rs6000_abi_name, "netbsd"))				\
+    rs6000_current_abi = ABI_V4;					\
   else if (!strcmp (rs6000_abi_name, "solaris"))			\
     rs6000_current_abi = ABI_SOLARIS;					\
   else if (!strcmp (rs6000_abi_name, "i960-old"))			\
@@ -1113,7 +1115,8 @@ do {									\
 %{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \
     %{mcall-solaris: -mlittle -msolaris} \
     %{mcall-i960-old: -mlittle} \
-    %{mcall-linux: -mbig} }}}}"
+    %{mcall-linux: -mbig} \
+    %{mcall-netbsd: -mbig} }}}}"
 
 #define	CC1_ENDIAN_BIG_SPEC ""
 
@@ -1135,9 +1138,10 @@ do {									\
     %{mcall-solaris: -mlittle %(cc1_endian_little) } \
     %{mcall-i960-old: -mlittle %(cc1_endian_little) } \
     %{mcall-linux: -mbig %(cc1_endian_big) } \
-    %{!mcall-aixdesc: %{!mcall-solaris: %{!mcall-i960-old: %{!mcall-linux: \
+    %{mcall-netbsd: -mbig %(cc1_endian_big) } \
+    %{!mcall-aixdesc: %{!mcall-solaris: %{!mcall-i960-old: %{!mcall-linux: %{!mcall-netbsd: \
 	    %(cc1_endian_default) \
-    }}}} \
+    }}}}} \
 }}}} \
 %{mcall-solaris: -mregnames } \
 %{mno-sdata: -msdata=none } \
@@ -1146,7 +1150,8 @@ do {									\
     %{mrelocatable: -meabi } \
     %{mcall-solaris: -mno-eabi } \
     %{mcall-i960-old: -meabi } \
-    %{mcall-linux: -mno-eabi }}} \
+    %{mcall-linux: -mno-eabi } \
+    %{mcall-netbsd: -mno-eabi }}} \
 %{msdata: -msdata=default} \
 %{mno-sdata: -msdata=none} \
 %{profile: -p}"
@@ -1175,8 +1180,9 @@ do {									\
 %{mmvme: %(link_start_mvme) } \
 %{msim: %(link_start_sim) } \
 %{mcall-linux: %(link_start_linux) } \
+%{mcall-netbsd: %(link_start_netbsd) } \
 %{mcall-solaris: %(link_start_solaris) } \
-%{!mads: %{!myellowknife: %{!mmvme: %{!msim: %{!mcall-linux: %{!mcall-solaris: %(link_start_default) }}}}}}"
+%{!mads: %{!myellowknife: %{!mmvme: %{!msim: %{!mcall-linux: %{!mcall-netbsd: %{!mcall-solaris: %(link_start_default) }}}}}}}"
 
 #define LINK_START_DEFAULT_SPEC ""
 
@@ -1230,8 +1236,9 @@ do {									\
 %{mmvme: %(link_os_mvme) } \
 %{msim: %(link_os_sim) } \
 %{mcall-linux: %(link_os_linux) } \
+%{mcall-netbsd: %(link_os_netbsd) } \
 %{mcall-solaris: %(link_os_solaris) } \
-%{!mads: %{!myellowknife: %{!mmvme: %{!msim: %{!mcall-linux: %{!mcall-solaris: %(link_os_default) }}}}}}"
+%{!mads: %{!myellowknife: %{!mmvme: %{!msim: %{!mcall-linux: %{!mcall-netbsd: %{!mcall-solaris: %(link_os_default) }}}}}}}"
 
 #define LINK_OS_DEFAULT_SPEC ""
 
@@ -1278,9 +1285,10 @@ do {									\
 %{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \
     %{mcall-solaris: %(cpp_endian_solaris) } \
     %{mcall-linux: %(cpp_endian_big) } \
+    %{mcall-netbsd: %(cpp_endian_big) } \
     %{mcall-i960-old: %(cpp_endian_little) } \
     %{mcall-aixdesc:  %(cpp_endian_big) } \
-    %{!mcall-solaris: %{!mcall-linux: %{!mcall-aixdesc: %(cpp_endian_default) }}}}}}}"
+    %{!mcall-solaris: %{!mcall-linux: %{!mcall-netbsd: %{!mcall-aixdesc: %(cpp_endian_default) }}}}}}}}"
 
 #define	CPP_ENDIAN_DEFAULT_SPEC "%(cpp_endian_big)"
 
@@ -1292,8 +1300,9 @@ do {									\
 %{mmvme: %(cpp_os_mvme) } \
 %{msim: %(cpp_os_sim) } \
 %{mcall-linux: %(cpp_os_linux) } \
+%{mcall-netbsd: %(cpp_os_netbsd) } \
 %{mcall-solaris: %(cpp_os_solaris) } \
-%{!mads: %{!myellowknife: %{!mmvme: %{!msim: %{!mcall-linux: %{!mcall-solaris: %(cpp_os_default) }}}}}}"
+%{!mads: %{!myellowknife: %{!mmvme: %{!msim: %{!mcall-linux: %{!mcall-netbsd: %{!mcall-solaris: %(cpp_os_default) }}}}}}}"
 
 #define	CPP_OS_DEFAULT_SPEC ""
 
@@ -1305,8 +1314,9 @@ do {									\
 %{mmvme: %(startfile_mvme) } \
 %{msim: %(startfile_sim) } \
 %{mcall-linux: %(startfile_linux) } \
+%{mcall-netbsd: %(startfile_netbsd) } \
 %{mcall-solaris: %(startfile_solaris) } \
-%{!mads: %{!myellowknife: %{!mmvme: %{!msim: %{!mcall-linux: %{!mcall-solaris: %(startfile_default) }}}}}}"
+%{!mads: %{!myellowknife: %{!mmvme: %{!msim: %{!mcall-linux: %{!mcall-netbsd: %{!mcall-solaris: %(startfile_default) }}}}}}}"
 
 #define	STARTFILE_DEFAULT_SPEC ""
 
@@ -1318,8 +1328,9 @@ do {									\
 %{mmvme: %(lib_mvme) } \
 %{msim: %(lib_sim) } \
 %{mcall-linux: %(lib_linux) } \
+%{mcall-netbsd: %(lib_netbsd) } \
 %{mcall-solaris: %(lib_solaris) } \
-%{!mads: %{!myellowknife: %{!mmvme: %{!msim: %{!mcall-linux: %{!mcall-solaris: %(lib_default) }}}}}}"
+%{!mads: %{!myellowknife: %{!mmvme: %{!msim: %{!mcall-linux: %{!mcall-netbsd: %{!mcall-solaris: %(lib_default) }}}}}}}"
 
 #define LIB_DEFAULT_SPEC ""
 
@@ -1331,9 +1342,10 @@ do {									\
 %{mmvme: %(endfile_mvme)} \
 %{msim: %(endfile_sim)} \
 %{mcall-linux: %(endfile_linux) } \
+%{mcall-netbsd: %(endfile_netbsd) } \
 %{mcall-solaris: %(endfile_solaris)} \
 %{mvxworks: %(endfile_vxworks) } \
-%{!mads: %{!myellowknife: %{!mmvme: %{!msim: %{!mcall-linux: %{!mcall-solaris: %{!mvxworks: %(endfile_default) }}}}}}}"
+%{!mads: %{!myellowknife: %{!mmvme: %{!msim: %{!mcall-linux: %{!mcall-netbsd: %{!mcall-solaris: %{!mvxworks: %(endfile_default) }}}}}}}}"
 
 #define	ENDFILE_DEFAULT_SPEC ""
 
@@ -1429,6 +1441,29 @@ do {									\
 -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}"
 #endif
 
+/* NetBSD support.  */
+#define LIB_NETBSD_SPEC "\
+%{profile:-lgmon -lc_p} %{!profile:-lc}"
+
+#define	STARTFILE_NETBSD_SPEC "\
+ncrti.o%s crt0.o%s \
+%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
+
+#define ENDFILE_NETBSD_SPEC "\
+%{!shared:crtend.o%s} %{shared:crtendS.o%s} \
+ncrtn.o%s"
+
+#define LINK_START_NETBSD_SPEC "\
+"
+
+#define LINK_OS_NETBSD_SPEC "\
+%{!shared: %{!static: \
+  %{rdynamic:-export-dynamic} \
+  %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}}}"
+
+#define CPP_OS_NETBSD_SPEC "\
+-D__powerpc__ -D__NetBSD__ -D__ELF__ -D__KPRINTF_ATTRIBUTE__"
+
 /* Solaris support.  */
 /* For Solaris, Gcc automatically adds in one of the files
    /usr/ccs/lib/values-Xc.o, /usr/ccs/lib/values-Xa.o, or
@@ -1524,6 +1559,7 @@ do {									\
   { "lib_mvme",			LIB_MVME_SPEC },			\
   { "lib_sim",			LIB_SIM_SPEC },				\
   { "lib_linux",		LIB_LINUX_SPEC },			\
+  { "lib_netbsd",		LIB_NETBSD_SPEC },			\
   { "lib_solaris",		LIB_SOLARIS_SPEC },			\
   { "lib_vxworks",		LIB_VXWORKS_SPEC },			\
   { "lib_default",		LIB_DEFAULT_SPEC },			\
@@ -1532,6 +1568,7 @@ do {									\
   { "startfile_mvme",		STARTFILE_MVME_SPEC },			\
   { "startfile_sim",		STARTFILE_SIM_SPEC },			\
   { "startfile_linux",		STARTFILE_LINUX_SPEC },			\
+  { "startfile_netbsd",		STARTFILE_NETBSD_SPEC },		\
   { "startfile_solaris",	STARTFILE_SOLARIS_SPEC },		\
   { "startfile_vxworks",	STARTFILE_VXWORKS_SPEC },		\
   { "startfile_default",	STARTFILE_DEFAULT_SPEC },		\
@@ -1540,6 +1577,7 @@ do {									\
   { "endfile_mvme",		ENDFILE_MVME_SPEC },			\
   { "endfile_sim",		ENDFILE_SIM_SPEC },			\
   { "endfile_linux",		ENDFILE_LINUX_SPEC },			\
+  { "endfile_netbsd",		ENDFILE_NETBSD_SPEC },			\
   { "endfile_solaris",		ENDFILE_SOLARIS_SPEC },			\
   { "endfile_vxworks",		ENDFILE_VXWORKS_SPEC },			\
   { "endfile_default",		ENDFILE_DEFAULT_SPEC },			\
@@ -1552,6 +1590,7 @@ do {									\
   { "link_start_mvme",		LINK_START_MVME_SPEC },			\
   { "link_start_sim",		LINK_START_SIM_SPEC },			\
   { "link_start_linux",		LINK_START_LINUX_SPEC },		\
+  { "link_start_netbsd",	LINK_START_NETBSD_SPEC },		\
   { "link_start_solaris",	LINK_START_SOLARIS_SPEC },		\
   { "link_start_vxworks",	LINK_START_VXWORKS_SPEC },		\
   { "link_start_default",	LINK_START_DEFAULT_SPEC },		\
@@ -1561,6 +1600,7 @@ do {									\
   { "link_os_mvme",		LINK_OS_MVME_SPEC },			\
   { "link_os_sim",		LINK_OS_SIM_SPEC },			\
   { "link_os_linux",		LINK_OS_LINUX_SPEC },			\
+  { "link_os_netbsd",		LINK_OS_NETBSD_SPEC },			\
   { "link_os_solaris",		LINK_OS_SOLARIS_SPEC },			\
   { "link_os_vxworks",		LINK_OS_VXWORKS_SPEC },			\
   { "link_os_default",		LINK_OS_DEFAULT_SPEC },			\
@@ -1577,6 +1617,7 @@ do {									\
   { "cpp_os_mvme",		CPP_OS_MVME_SPEC },			\
   { "cpp_os_sim",		CPP_OS_SIM_SPEC },			\
   { "cpp_os_linux",		CPP_OS_LINUX_SPEC },			\
+  { "cpp_os_netbsd",		CPP_OS_NETBSD_SPEC },			\
   { "cpp_os_solaris",		CPP_OS_SOLARIS_SPEC },			\
   { "cpp_os_vxworks",		CPP_OS_VXWORKS_SPEC },			\
   { "cpp_os_default",		CPP_OS_DEFAULT_SPEC },
diff --git a/gcc/config/rs6000/t-ppccomm b/gcc/config/rs6000/t-ppccomm
index 73e0ff7e081..8b5e8cba142 100644
--- a/gcc/config/rs6000/t-ppccomm
+++ b/gcc/config/rs6000/t-ppccomm
@@ -33,16 +33,19 @@ MULTILIB_MATCHES_FLOAT	= msoft-float=mcpu?401 \
 			  msoft-float=mcpu?823 \
 			  msoft-float=mcpu?860
 MULTILIB_MATCHES_ENDIAN	= mlittle=mlittle-endian mbig=mbig-endian
-MULTILIB_MATCHES_SYSV	= mcall-sysv=mcall-sysv-eabi mcall-sysv=mcall-sysv-noeabi mcall-sysv=mcall-linux
+MULTILIB_MATCHES_SYSV	= mcall-sysv=mcall-sysv-eabi mcall-sysv=mcall-sysv-noeabi mcall-sysv=mcall-linux mcall-sysv=mcall-netbsd
 
 LIBGCC = stmp-multilib
 INSTALL_LIBGCC = install-multilib
 EXTRA_MULTILIB_PARTS = crtbegin$(objext) crtend$(objext) \
   crtbeginS$(objext) crtendS$(objext) \
-  ecrti$(objext) ecrtn$(objext) scrt0$(objext) scrti$(objext) scrtn$(objext)
+  ecrti$(objext) ecrtn$(objext) \
+  scrt0$(objext) scrti$(objext) scrtn$(objext) \
+  ncrti$(objext) ncrtn$(objext)
 
-# We build {e,s}crti.o, {e,s}crtn.o, and scrt0.o which serve to add begin and
-# end labels to all of the special sections used when we link using gcc.
+# We build {e,s}crti.o, {e,s}crtn.o, and {s,n}crt0.o which serve to
+# add begin and end labels to all of the special sections used when we
+# link using gcc.
 
 # Assemble startup files.
 ecrti.S: $(srcdir)/config/rs6000/eabi-ci.asm
@@ -51,6 +54,14 @@ ecrti.S: $(srcdir)/config/rs6000/eabi-ci.asm
 ecrtn.S: $(srcdir)/config/rs6000/eabi-cn.asm
 	cat $(srcdir)/config/rs6000/eabi-cn.asm >ecrtn.S
 
+ncrti.S: $(srcdir)/config/rs6000/sol-ci.asm
+	sed -e 's/__init/_init/' -e 's/__fini/_fini/' \
+		$(srcdir)/config/rs6000/sol-ci.asm >ncrti.S
+
+ncrtn.S: $(srcdir)/config/rs6000/sol-cn.asm
+	sed -e 's/__init/_init/' -e 's/__fini/_fini/' \
+		$(srcdir)/config/rs6000/sol-cn.asm >ncrtn.S
+
 scrti.S: $(srcdir)/config/rs6000/sol-ci.asm
 	cat $(srcdir)/config/rs6000/sol-ci.asm >scrti.S
 
@@ -67,6 +78,12 @@ $(T)ecrti$(objext): ecrti.S
 $(T)ecrtn$(objext): ecrtn.S
 	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ecrtn.S -o $(T)ecrtn$(objext)
 
+$(T)ncrti$(objext): ncrti.S
+	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ncrti.S -o $(T)ncrti$(objext)
+
+$(T)ncrtn$(objext): ncrtn.S
+	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ncrtn.S -o $(T)ncrtn$(objext)
+
 $(T)scrti$(objext): scrti.S
 	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c scrti.S -o $(T)scrti$(objext)