libc: ARM generateasm

lib/generateasm.mk

@@ -1,3 +1,15 @@
+ORIGFUNC= ${.PREFIX:S/^compat//}
+RENAMEDFUNC=${.PREFIX:S/^compat__//:C/([0-9]{2})$//}
+.if (${MACHINE_ARCH} == "i386")
+FUNCTYPE= @function
+PICJMP= jmpl *PIC_PLT(${ORIGFUNC})
+JMP= jmp ${ORIGFUNC}
+.elif (${MACHINE_ARCH} == "arm")
+FUNCTYPE= %%function
+PICJMP= bl PIC_SYM(${ORIGFUNC}, PLT)
+JMP= b ${ORIGFUNC}
+.endif
+
 ${ASM}:
 	${_MKTARGET_CREATE}
 	printf '/* MINIX3 */							\n\
@@ -7,14 +19,14 @@ ${ASM}:
 * DO NOT EDIT: this file is automatically generated.				\n\
 */										\n\
 #include <machine/asm.h>							\n\
-.global ${.PREFIX:S/^compat__//:C/([0-9]{2})$//};				\n\
-.global ${.PREFIX:S/^compat//};							\n\
-.type ${.PREFIX:S/^compat__//:C/([0-9]{2})$//},@function			\n\
-${.PREFIX:S/^compat__//:C/([0-9]{2})$//}:					\n\
+.global ${RENAMEDFUNC};								\n\
+.global ${ORIGFUNC};								\n\
+.type ${RENAMEDFUNC},${FUNCTYPE}						\n\
+${RENAMEDFUNC}:									\n\
 #ifdef PIC									\n\
-jmpl *PIC_PLT(${.PREFIX:S/^compat//})						\n\
+${PICJMP}									\n\
 #else										\n\
-jmp ${.PREFIX:S/^compat//}							\n\
+${JMP}										\n\
 #endif										\n\
 \n ' >${.TARGET}