Removed legacy signal trampoline.

sys/sparc64/include/md_var.h

@@ -33,8 +33,6 @@
 #ifndef	_MACHINE_MD_VAR_H_
 #define	_MACHINE_MD_VAR_H_
 
-extern	char	sigcode[];
-extern	int	szsigcode;
 extern	char	tl0_base[];
 extern	char	_end[];
 

sys/sparc64/sparc64/elf_machdep.c

@@ -64,8 +64,8 @@ struct sysentvec elf64_freebsd_sysvec = {
 	0,
 	elf64_freebsd_fixup,
 	sendsig,
-	sigcode,
-	&szsigcode,
+	NULL,
+	NULL,
 	0,
 	"FreeBSD ELF64",
 	__elfN(coredump),

sys/sparc64/sparc64/locore.S

@@ -150,23 +150,3 @@ ENTRY(cpu_setregs)
 	retl
 	 nop
 END(cpu_setregs)
-
-/*
- * Signal trampoline, copied out to user stack.  Must be 16 byte aligned or
- * the argv and envp pointers can become misaligned.
- */
-ENTRY(sigcode)
-	call	%o4
-	 nop
-	add	%sp, SPOFF + CCFSZ + SF_UC, %o0
-	mov	SYS_sigreturn, %g1
-	ta	%xcc, 9
-	mov	SYS_exit, %g1
-	ta	%xcc, 9
-	illtrap
-	.align 16
-esigcode:
-END(sigcode)
-
-DATA(szsigcode)
-	.long	esigcode - sigcode