Re: [Dotgnu-general] Porting dotnet to Minix 3

[Aleksey Demakov]

Hi,

Are you referring to struct dirent? I see there is BROKEN_DIRENT macro
used in the code, can you check if defining it fixes your problem?

Regards,
Aleksey

On Tue, Feb 12, 2013 at 5:33 PM, Alexander Samilovskih
<address@hidden> wrote:
> I think I found porting bug. In function ILReadDir: there is only
> memory allocation for dentry, but no allocation for dentry->d_name,
> which is on linux 256 bytes long, but it is not garanteed by POSIX, on
> minix it is 1 byte long. This was the reason of segfault
>
> 2013/2/12 Alexander Samilovskih <address@hidden>:
>> stack trace of csant, something wrong with walking directories
>>
>> +0x7fb98bf
>> ILReadDir+0x15
>> CSAntDirNext+0x32
>> ProcessDirStack+0x9a6
>> CSAntFileSetLoad+0xc9
>> CSAntTask_ResGen+0x70
>> BuildTarget+0x19a
>> CSAntBuild+0x250
>> main+0x503
>> ___start+0xe2
>> _start+0x17
>>
>> 2013/2/10 Alexander Samilovskih <address@hidden>:
>>> switched compiler to gcc
>>>
>>> gmake[2]: Entering directory `/home/new/pnet/engine'
>>> gcc -DHAVE_CONFIG_H -I. -I../include    -I../libffi/include -fno-gcse
>>> -fno-inline-functions -fno-unit-at-a-time -I../support -I../libgc/incl
>>> ude -I../libgc/libatomic_ops/src -I../include  -I../libffi/include -I.
>>> -DBUILD_PROFILE_NAME="\"full\"" -g -O2 -Wall -c cctormgr.c
>>> /usr/pkg/bin/bash ./mklabel.sh "awk" ./cvm.h >cvm_labels.h
>>> gcc -DHAVE_CONFIG_H -I. -I../include    -I../libffi/include -fno-gcse
>>> -fno-inline-functions -fno-unit-at-a-time -I../support -I../libgc/incl
>>> ude -I../libgc/libatomic_ops/src -I../include  -I../libffi/include -I.
>>> -DBUILD_PROFILE_NAME="\"full\"" -g -O2 -Wall -c cvm.c
>>> In file included from cvm.c:834:
>>> cvm_call.c: In function '_ILCVMInterpreter':
>>> cvm_call.c:2127: warning: pointer targets in passing argument 1 of
>>> 'ILInterlockedIncrement' differ in signedness
>>> ../support/interlocked_x86.h:53: note: expected 'ILInt32 *' but
>>> argument is of type 'ILUInt32 *'
>>> cvm.c:597: warning: optimization may eliminate reads and/or writes to
>>> register variables
>>> cvm.c:597: warning: optimization may eliminate reads and/or writes to
>>> register variables
>>> cvm.c:597: warning: optimization may eliminate reads and/or writes to
>>> register variables
>>> cvm.c:985: error: unable to find a register to spill in class 'SIREG'
>>> cvm.c:985: error: this is the insn:
>>> (insn 418 413 419 27 cvm.c:74 (parallel [
>>>             (set (reg:SI 2 cx [7087])
>>>                 (const_int 0 [0x0]))
>>>             (set (reg/f:SI 1 dx [orig:7085 stacktop.275 ] [7085])
>>>                 (plus:SI (reg/f:SI 6864 [ stacktop.275 ])
>>>                     (reg:SI 7079)))
>>>             (set (reg:SI 0 ax [7086])
>>>                 (plus:SI (reg:SI 0 ax [7083])
>>>                     (reg:SI 7079)))
>>>             (set (mem/s:BLK (reg/f:SI 6864 [ stacktop.275 ]) [0 A32])
>>>                 (mem:BLK (reg:SI 0 ax [7083]) [0 A8]))
>>>             (use (reg:SI 7079))
>>>         ]) 637 {*rep_movqi} (expr_list:REG_DEAD (reg:SI 0 ax [7083])
>>>         (expr_list:REG_DEAD (reg:SI 7079)
>>>             (expr_list:REG_DEAD (reg/f:SI 6864 [ stacktop.275 ])
>>>                 (expr_list:REG_UNUSED (reg:SI 2 cx [7087])
>>>                     (expr_list:REG_UNUSED (reg:SI 0 ax [7086])
>>>                         (expr_list:REG_UNUSED (reg/f:SI 1 dx
>>> [orig:7085 stacktop.275 ] [7085])
>>>                             (nil))))))))
>>> cvm.c:985: confused by earlier errors, bailing out
>>> gmake[2]: *** [cvm.o] Error 1