Oh yeah.   That's because __progname is being put in the wrong
section.   I've checked in the fix.   The patch is included below for
your edification...

			       _MelloN_


Index: crt0.S
===================================================================
RCS file: /a/cvsroot/src/lib/csu/mips/crt0.S,v
retrieving revision 1.3
retrieving revision 1.4
diff -c -r1.3 -r1.4
*** crt0.S	1994/12/15 17:04:55	1.3
--- crt0.S	1995/05/03 22:13:15	1.4
***************
*** 34,57 ****
   * SUCH DAMAGE.
   *
   *	from: @(#)crt0.s	8.2 (Berkeley) 3/21/94
!  *	$Id: crt0.S,v 1.3 1994/12/15 17:04:55 mycroft Exp $    
   */
  
  #include <machine/regdef.h>
  #include <machine/machAsmDefs.h>
  
- 	.data
  	.comm	_C_LABEL(environ), 4
! 	.align	2
! 	.globl	_C_LABEL(__progname)
! _C_LABEL(__progname):
! 	.word	$L1
  $L1:
  	.word	0		# null string plus padding
  	.text
  
  NON_LEAF(start, 24, ra)
  	.set	noreorder
  	lw	s0, 0(sp)		# get argc from stack
  	addu	s1, sp, 4		# get pointer to argv
  	addu	s2, s1, 4		# skip null pointer on stack
--- 34,57 ----
   * SUCH DAMAGE.
   *
   *	from: @(#)crt0.s	8.2 (Berkeley) 3/21/94
!  *	$Id: crt0.S,v 1.4 1995/05/03 22:13:15 mellon Exp $    
   */
  
  #include <machine/regdef.h>
  #include <machine/machAsmDefs.h>
  
  	.comm	_C_LABEL(environ), 4
! 	.comm	_C_LABEL(__progname), 4
! 	.data
  $L1:
  	.word	0		# null string plus padding
  	.text
  
  NON_LEAF(start, 24, ra)
  	.set	noreorder
+ #ifdef __GP_SUPPORT__
+ 	la	gp, _C_LABEL (_gp)
+ #endif
  	lw	s0, 0(sp)		# get argc from stack
  	addu	s1, sp, 4		# get pointer to argv
  	addu	s2, s1, 4		# skip null pointer on stack
***************
*** 74,80 ****
  #endif
  	lw	a0, 0(s1)		# a0 = argv[0];
  	nop
! 	beq	a0, zero, 2f		# skip if a0 == NULL
  	move	s3, a0			# save argv[0]
  	jal	_C_LABEL(strrchr)
  	li	a1, 0x2f		# a1 = '/'
--- 74,84 ----
  #endif
  	lw	a0, 0(s1)		# a0 = argv[0];
  	nop
! 	bne	a0, zero, 2f		# If a0 is NULL, use null string.
! 	nop
! 	la	a0, $L1
! 	nop
! 2:
  	move	s3, a0			# save argv[0]
  	jal	_C_LABEL(strrchr)
  	li	a1, 0x2f		# a1 = '/'
***************
*** 83,89 ****
  	move	v0, s3			# v0 = argv[0];
  1:
  	sw	v0, _C_LABEL(__progname)
- 2:
  	move	a0, s0
  	move	a1, s1
  	jal	_C_LABEL(main)		# v0 = main(argc, argv, env);
--- 87,92 ----