[cfe-dev] MacRuby issues

[रजनीश]

On Mar 27, 2009, at 1:17 PM, Mike Stump wrote:

> On Mar 26, 2009, at 9:32 PM, रजनीश wrote:
>> MacRuby Rakefile passes -fno-common twice when compiling ext  
>> directory.
>> May be clang can strip out duplicate entries before passing it to
>> clang-cc.
>
> Fixed in r67863.

This wasn't a show stopper since I just edited the Rakefile to remove  
the duplicate entry.

>
>
>> It basically segments faults
>
> It would be wonderful if you could debug this and get down to the  
> root problem and then report it.

Well in debug this what I get.  it seems to be crashing in printf.  
This is in x86_64.  Since I am not familiar
with LLVM tools, you will have to give me clue on what to run.

Starting program: /Volumes/Rafi/Developer/MacRuby/miniruby -I./lib - 
I.ext/common -I./- -r./ext/purelib.rb ext/extmk.rb --make="/usr/bin/ 
make" --dest-dir="" --extout=".ext" --mflags="" --make-flags="" -- 
extension --extstatic
warning: posix_spawn failed, trying execvp, error: 86
Reading symbols for shared libraries ++++++++.................... done
compiling bigdecimal

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000000
0x00007fff80b5ec53 in ffi_prep_cif ()
(gdb) bt
#0  0x00007fff80b5ec53 in ffi_prep_cif ()
#1  0x00000001001025ac in rb_str_format ()
#2  0x00000001000ab8b6 in rb_f_sprintf ()
#3  0x00000001000398d1 in rb_io_printf ()
#4  0x00000001000f3d50 in call_cfunc ()
#5  0x00000001000f2945 in vm_call_method ()
#6  0x00000001000e37b5 in vm_eval ()
#7  0x00000001000efd74 in vm_eval_body ()
#8  0x00000001000de20b in invoke_block_from_c ()
#9  0x00000001000dbe19 in rb_yield_values ()
#10 0x000000010001cc8e in each_with_index_i ()
#11 0x00000001000de2c5 in invoke_block_from_c ()
#12 0x00000001000dbc99 in rb_yield ()
#13 0x00000001000021eb in rb_ary_each ()
#14 0x00000001000f3d5d in call_cfunc ()
#15 0x00000001000db2ee in vm_call0 ()
#16 0x00000001000f4e6d in rb_call0 ()
#17 0x00000001000dc15e in iterate_method ()
#18 0x00000001000dbff6 in rb_iterate ()
#19 0x00000001000dc0cd in rb_block_call ()
#20 0x000000010001bf77 in enum_each_with_index ()
#21 0x00000001000f3d50 in call_cfunc ()
#22 0x00000001000f2945 in vm_call_method ()
#23 0x00000001000e37b5 in vm_eval ()
#24 0x00000001000efd74 in vm_eval_body ()
#25 0x00000001000efcef in rb_iseq_eval ()
#26 0x0000000100025e2a in rb_load ()
#27 0x0000000100026975 in rb_f_load ()
#28 0x00000001000f3d50 in call_cfunc ()
#29 0x00000001000f2945 in vm_call_method ()
#30 0x00000001000e37b5 in vm_eval ()
#31 0x00000001000efd74 in vm_eval_body ()
#32 0x00000001000de20b in invoke_block_from_c ()
#33 0x00000001000dbc99 in rb_yield ()
#34 0x00000001000021eb in rb_ary_each ()
#35 0x00000001000f3d5d in call_cfunc ()
#36 0x00000001000f2945 in vm_call_method ()
#37 0x00000001000e37b5 in vm_eval ()
#38 0x00000001000efd74 in vm_eval_body ()
#39 0x00000001000efcef in rb_iseq_eval ()
#40 0x000000010002366f in ruby_exec_node ()
#41 0x00000001000236cf in ruby_run_node ()
#42 0x000000010010ae4f in main ()
(gdb)