Minor change to support some new functionality in newlib. Committed.
* config/msp430/msp430.opt (-minrt): New.
* config/msp430/msp430.h (STARTFILE_SPEC): Link alternate runtime
if -minrt given.
(ENDFILE_SPEC): Likewise.
Index: gcc/config/msp430/msp430.opt
===================================================================
--- gcc/config/msp430/msp430.opt (revision 207293)
+++ gcc/config/msp430/msp430.opt (working copy)
@@ -25,6 +25,10 @@ Select small model - 16-bit addresses/po
mrelax
Target Report
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.
Index: gcc/config/msp430/msp430.h
===================================================================
--- gcc/config/msp430/msp430.h (revision 207293)
+++ gcc/config/msp430/msp430.h (working copy)
@@ -42,17 +42,17 @@ extern bool msp430x;
else \
builtin_assert ("cpu=MSP430"); \
} \
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. */ \
"%{mrelax=-mQ} " /* Pass the relax option on to the assembler. */ \
"%{mlarge:-ml} " /* Tell the assembler if we are building for the LARGE
pointer model. */ \
"%{!msim:-md} %{msim:%{mlarge:-md}}" /* Copy data from ROM to RAM if
necessary. */ \
