From: dj <dj@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 30 Jan 2014 02:57:41 +0000 (+0000)
Subject: * config/msp430/msp430.opt (-minrt): New.
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=587132de05ccf88d78d1727849ec2ab9cc1bc73d;p=thirdparty%2Fgcc.git

* config/msp430/msp430.opt (-minrt): New.
* config/msp430/msp430.h (STARTFILE_SPEC): Link alternate runtime
if -minrt given.
(ENDFILE_SPEC): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@207294 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5dba715e4b72..ec72eb201496 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2014-01-29  DJ Delorie  <dj@redhat.com>
+
+	* config/msp430/msp430.opt (-minrt): New.
+	* config/msp430/msp430.h (STARTFILE_SPEC): Link alternate runtime
+	if -minrt given.
+	(ENDFILE_SPEC): Likewise.
+
 2014-01-29  Jan Hubicka  <jh@suse.cz>
 
 	* ipa-inline-analysis.c (clobber_only_eh_bb_p): New function.
diff --git a/gcc/config/msp430/msp430.h b/gcc/config/msp430/msp430.h
index c3aeefedb5a6..1afbfd44dbe2 100644
--- a/gcc/config/msp430/msp430.h
+++ b/gcc/config/msp430/msp430.h
@@ -45,11 +45,11 @@ extern bool msp430x;
   while (0)
 
 #undef  STARTFILE_SPEC
-#define STARTFILE_SPEC "%{pg:gcrt0.o%s}%{!pg:crt0.o%s} crtbegin.o%s"
+#define STARTFILE_SPEC "%{pg:gcrt0.o%s}%{!pg:%{minrt:crt0-minrt.o%s}%{!minrt:crt0.o%s}} %{!minrt:crtbegin.o%s}"
 
 /* -lgcc is included because crtend.o needs __mspabi_func_epilog_1.  */
 #undef  ENDFILE_SPEC
-#define ENDFILE_SPEC "crtend.o%s crtn.o%s -lgcc"
+#define ENDFILE_SPEC "%{!minrt:crtend.o%s} %{minrt:crtn-minrt.o%s}%{!minrt:crtn.o%s} -lgcc"
 
 #define ASM_SPEC "-mP " /* Enable polymorphic instructions.  */ \
   "%{mcpu=*:-mcpu=%*}%{!mcpu=*:%{mmcu=*:-mmcu=%*}} " /* Pass the CPU type on to the assembler.  */ \
diff --git a/gcc/config/msp430/msp430.opt b/gcc/config/msp430/msp430.opt
index 047037b31aac..1f1d61c4c10a 100644
--- a/gcc/config/msp430/msp430.opt
+++ b/gcc/config/msp430/msp430.opt
@@ -28,3 +28,7 @@ Optimize opcode sizes at link time
 
 mOs
 Target Undocumented Mask(OPT_SPACE)
+
+minrt
+Target Report Mask(MINRT) RejectNegative
+Use a minimum runtime (no static initializers or ctors) for memory-constrained devices.