* mips.sc-sh: Define _etext, _edata, and _end, in addition

to etext, edata, and end.  Needed for IRIX 4.0.5F.
	Patch from mwp@iconix.oz.au (Michael Paddon).

ld/mips.sc-sh

@@ -20,6 +20,7 @@ SECTIONS
     *(.text)
     *(.fini)
     ${RELOCATING+ etext  =  .};
+    ${RELOCATING+ _etext  =  .};
   }
   .rdata ${RELOCATING+ ${DATA_ADDR}} : {
     *(.rdata)
@@ -39,6 +40,7 @@ SECTIONS
     *(.sdata)
   }
   ${RELOCATING+ edata  =  .;}
+  ${RELOCATING+ _edata  =  .;}
   ${RELOCATING+ ${BSS_VAR}}
   .sbss ${RELOCATING+ .} : {
     *(.sbss)
@@ -49,5 +51,6 @@ SECTIONS
     *(COMMON)
   }
   ${RELOCATING+ end = .;}
+  ${RELOCATING+ _end = .;}
 }
 EOF