On Fri, Oct 11, 2013 at 08:08:57AM +0200, Holger Hans Peter Freyther wrote:
> Hi,
>
> I looked into Paolo's patches and ran make check to see a crash in
> the pools.st. But it turns out it is crashing due me upgrading to
> GCC 4.8/Binutils 2.23.52.20130828-1 (something in the layout
> of the text changed and I see a new class of bugs).
and I forgot the issue I have difficulties to understand.
compiler.st is reporting an asan error. So in frame 3 the
"startPos - in_stream->fileOffset" will be -6 and p - 6
will not point to the right place. Any idea?
holger
Breakpoint 1, 0xb69ea850 in __asan_report_error () from
/usr/lib/i386-linux-gnu/libasan.so.0
(gdb) frame 2
#2 0xb6848e81 in _gst_counted_string_new (s=s@entry=0xb5c0efda "",
len=len@entry=12)
at dict.c:1976
1976 memcpy (string->chars, s, len);
(gdb) frame 1
#1 0xb69e38cf in __asan_report_load1 () from
/usr/lib/i386-linux-gnu/libasan.so.0
(gdb) frame 2
#2 0xb6848e81 in _gst_counted_string_new (s=s@entry=0xb5c0efda "",
len=len@entry=12)
at dict.c:1976
1976 memcpy (string->chars, s, len);
(gdb) frame 3
#3 0xb689c04c in _gst_get_source_string (startPos=14, endPos=26) at input.c:548
548 result = _gst_counted_string_new (p + (startPos -
in_stream->fileOffset),
(gdb) p *in_stream
$1 = {type = STREAM_OOP, pushedBackChars = " \000", pushedBackCount = 0, line =
1,
column = 29, prompt = 0x0, fileOOP = 0x4042b800,
fileName = 0xb697e600 "a Smalltalk Stream", fileOffset = 20, st = {u_st_file
= {
fd = 1078402496, buf = 0xb5c0efe0 "printNl", ptr = 0xb5c0efe7 "", end =
0xb5c0efe7 ""},
u_st_str = {strBase = 0x40471dc0 "0鮴", str = 0xb5c0efe0 "printNl"},
u_st_oop = {
oop = 0x40471dc0, buf = 0xb5c0efe0 "printNl", ptr = 0xb5c0efe7 "",
end = 0xb5c0efe7 ""}}, prevStream = 0xb5601760}
(gdb) p in_stream->fileOffset
$2 = 20
(gdb) p startPos
$3 = 14
(gdb) p p
$4 = 0xb5c0efe0 "printNl"
(gdb) q
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