Date: Mon, 23 Mar 2015 13:50:26 +0200 From: "Ivan A. Kosarev" <ivan@ivan-labs.com> To: Konstantin Belousov <kostikbel@gmail.com> Cc: freebsd-current@freebsd.org, Ed Maste <emaste@freebsd.org> Subject: Re: Use of chunksize before initialization Message-ID: <550FFE02.5040900@ivan-labs.com> In-Reply-To: <20150321213106.GV2379@kib.kiev.ua> References: <550C27D8.2010105@ivan-labs.com> <20150321010218.GD2379@kib.kiev.ua> <550D37DA.7060105@ivan-labs.com> <20150321213106.GV2379@kib.kiev.ua>
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On 03/21/2015 11:31 PM, Konstantin Belousov wrote: > On Sat, Mar 21, 2015 at 11:20:26AM +0200, Ivan A. Kosarev wrote: >> On 03/21/2015 03:02 AM, Konstantin Belousov wrote: >>> On Fri, Mar 20, 2015 at 03:59:52PM +0200, Ivan A. Kosarev wrote: >>>> #12 0x00000008011b428d in malloc_init_hard () at jemalloc_jemalloc.c:698 >>>> #13 malloc_init () at jemalloc_jemalloc.c:296 >>>> #14 0x0000000801243ea2 in ?? () from /lib/libc.so.7 >>>> #15 0x00000008006a5400 in ?? () >>>> #16 0x000000080089e5b0 in ?? () from /libexec/ld-elf.so.1 >>>> #17 0x00007fffffffe0b0 in ?? () >>>> #18 0x0000000801139d06 in _init () from /lib/libc.so.7 >>>> #19 0x00007fffffffe0b0 in ?? () >>> The backtrace is strange. Did you compiled malloc with the debugging >>> symbols, while keep rest of libc without -g ? >> I've just added the -g flag to CC_FLAGS in the Makefile and made sure to >> install an unstripped version of the .so . I could investigate more on >> why the early calls omit debug symbols, if it does any matter. > I want to understand at what stage of the initialization the access happens. > This is why I want to see the complete backtrace. It is jemalloc_constructor() that calls malloc_init(), so it should be called directly by the loader. --
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