[Bug target/23556] FAIL: gfortran.dg/pr18122.f90

["dave at hiauly1 dot hia dot nrc dot ca" <gcc-bugzilla at gcc dot gnu dot org>]

------- Additional Comments From dave at hiauly1 dot hia dot nrc dot ca  2005-08-25 00:28 -------
Subject: Re:  FAIL: gfortran.dg/pr18122.f90

> > (gdb) r
> > Starting program: /test/gnu/gcc-3.3/objdir/gcc/testsuite/pr18122.exe
> >
> > Program received signal SIGBUS, Bus error.
> > 0x7ae8a668 in _gfortrani_options ()
> 
> Hmm, why is _gfortrani_options being called, it is data as far as I can 
> see.
> on ppc-darwin from nm, we have:
> 000452f0 d __gfortrani_options
> 
> where d means data section.

The debugger is broken ;(

With a static link I see:

(gdb) r
Starting program: /test/gnu/gcc-3.3/objdir/gcc/testsuite/pr18122.exe

Program received signal SIGBUS, Bus error.
0x00011bec in _gfortrani_convert_real ()
(gdb) disass
Dump of assembler code for function _gfortrani_convert_real:
0x00011ba0 <_gfortrani_convert_real+0>:		addil 5800,dp,%r1
0x00011ba4 <_gfortrani_convert_real+4>: 	stw rp,-14(,sp)
0x00011ba8 <_gfortrani_convert_real+8>: 	ldo 80(sp),sp
0x00011bac <_gfortrani_convert_real+12>:        stw r0,1c0(,r1)
0x00011bb0 <_gfortrani_convert_real+16>:        stw r4,-68(,sp)
0x00011bb4 <_gfortrani_convert_real+20>:        copy r1,r4
0x00011bb8 <_gfortrani_convert_real+24>:        stw r3,-64(,sp)
0x00011bbc <_gfortrani_convert_real+28>:        cmpib,= 8,r24,0x11be0 <_gfortrani_convert_real+64>
0x00011bc0 <_gfortrani_convert_real+32>:        copy r26,r3
0x00011bc4 <_gfortrani_convert_real+36>:        ldi 10,ret0
0x00011bc8 <_gfortrani_convert_real+40>:        cmpb,= ret0,r24,0x11c54 <_gfortrani_convert_real+180>
0x00011bcc <_gfortrani_convert_real+44>:        ldo -78(sp),ret0
0x00011bd0 <_gfortrani_convert_real+48>:        cmpib,= 4,r24,0x11c84 <_gfortrani_convert_real+228>
0x00011bd4 <_gfortrani_convert_real+52>:        ldil 4e800,r26
0x00011bd8 <_gfortrani_convert_real+56>:        b,l 0x69e8 <_gfortrani_internal_error>,rp
0x00011bdc <_gfortrani_convert_real+60>:        ldo 670(r26),r26
0x00011be0 <_gfortrani_convert_real+64>:        copy r25,r26
0x00011be4 <_gfortrani_convert_real+68>:        b,l 0x2d710 <strtod>,rp
0x00011be8 <_gfortrani_convert_real+72>:        ldi 0,r25
0x00011bec <_gfortrani_convert_real+76>:        fstd fr4,0(,r3)
...
(gdb) bt
#0  0x00011bec in _gfortrani_convert_real ()
#1  0x0000f360 in read_real ()
#2  0x000100d0 in nml_read_obj ()
#3  0x000109a4 in _gfortrani_namelist_read ()
#4  0x00008f0c in finalize_transfer ()
#5  0x00009034 in _gfortran_st_read_done ()
#6  0x00006038 in MAIN__ ()
#7  0x000061a4 in main ()

r3 contains the first argument passed from read_real (entry value of r26).

Dave


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23556