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Re: Map ".text.hot" and ".text.unlikely" input section prefixes to separate output sections.

From: Cary Coutant <ccoutant at google dot com>
To: "H.J. Lu" <hjl dot tools at gmail dot com>
Cc: Ian Lance Taylor <iant at google dot com>, Sriraman Tallam <tmsriram at google dot com>, binutils <binutils at sourceware dot org>
Date: Fri, 21 Dec 2012 11:14:44 -0800
Subject: Re: Map ".text.hot" and ".text.unlikely" input section prefixes to separate output sections.
References: <CAAs8HmygtSkVh3v4dz2hBTzS1AH-rLbBkTDJ-hVkzENC2sqQZg@mail.gmail.com> <mcrlitsdqf3.fsf@coign.corp.google.com> <CAAs8HmxS9v50Bzw1srgUaC+8dCekCjv_H5_kyAi3Z5TDB8TkGg@mail.gmail.com> <CAKOQZ8zm-uHvKBm-DaSA99TTuzob0+XV8NkLM82BJ4VdS7aYHw@mail.gmail.com> <20121119225222.GK3056@bubble.grove.modra.org> <CAKOQZ8zoxKijcBbM583845u4vtW29dxFZVyZt1U+f_p1B6GJWg@mail.gmail.com> <CAAs8Hmzs=TYDcnHPvD2nFgKu82UW7gddiQQVLtxt555bu_uBPQ@mail.gmail.com> <CAKOQZ8z187ACBOcxHBnMyDC=7ADeqjaN3p427uKcnU0eDRwg7g@mail.gmail.com> <CAAs8Hmxvh7x-+qqVcGPpaW7eR50x_wPLp0M=WqCuWBRC7p7BOA@mail.gmail.com> <CAKOQZ8xKuZUK9gxKxPzFENvdhQ-R84P=J9Cxg3XpMNnseDoTiA@mail.gmail.com> <CAAs8HmwWNamZPW1gSH6hVbsLrcoTysh+__4ayd=2oonTvq0qcw@mail.gmail.com> <CAKOQZ8wG001V37bcCyRTjo9UHwQxWwPKXyyvOF2nnNbRp1Kt=g@mail.gmail.com> <CAAs8Hmxv6BWHcfqsaWL2PFi_8m_JuKS=dKc95nKU8G4pn-oFBg@mail.gmail.com> <CAHACq4qOaWQxDb1GWt1TG+nXG7Cbs=JUK4B3GcO6Xmu5nJeEfQ@mail.gmail.com> <CAKOQZ8yiTpnbXG2-ZnofNAJP71o6dcRZYeV9BPezi3-ogtg=ZQ@mail.gmail.com> <CAMe9rOqbvkASkmO07Arq6qg7KwXrUQOXxzDUhjNZrY=K2ESJaA@mail.gmail.com> <CAHACq4q2fEK6f-exAwFp3A1cm38V2iPyY-eW0cjUeAy3JVW77w@mail.gmail.com> <CAHACq4rw1UWpqZKFW3Xg+mfrZzjWZ1oge9hoiVHO8k8dusURTA@mail.gmail.com> <CAHACq4qOezqSwmzfaRXJFt16Kt5nTbz+=iMDLjaJ-HVYLwSyEw@mail.gmail.com> <CAKOQZ8zui8AYcC+FLhkru28xG5kkSW=upO1w+F9gSx3WTwJQrA@mail.gmail.com> <CAMe9rOq-PJtOfCs_YrZQiJRNui8Bp3OFE_2np_CWK1c_smf1eA@mail.gmail.com> <CAKOQZ8zQGSCGzBU=uEaTiNRGReTTpaiC98ewrJ=8GMSi86v8Vg@mail.gmail.com> <CAMe9rOr0hdzSwhzMxGA37oDegiDGSzwm13dRdS+RaD+_59pnOQ@mail.gmail.com> <CAMe9rOoToaQH=1hEuVDat9SHne20Az5O21Y0ORnPgvAjLjx77g@mail.gmail.com>

> (gdb) bt
> #0  gold::do_gold_unreachable (
>     filename=0x8367b0 "/export/gnu/import/git/binutils/gold/gold.h",
>     lineno=192,
>     function=0x83781b <unsigned int gold::convert_types<unsigned int,
> unsigned long long>(unsigned long long)::__FUNCTION__>
> "convert_types")
>     at /export/gnu/import/git/binutils/gold/gold.cc:102
> #1  0x0043f4d4 in gold::convert_types<unsigned int, unsigned long long> (
>     from=18446744073709551050)
>     at /export/gnu/import/git/binutils/gold/gold.h:192
> #2  0x004e4eb1 in gold::Sized_relobj<32, false>::do_set_section_offset (
>     this=0xc83160, shndx=7, off=18446744073709551050)
>     at /export/gnu/import/git/binutils/gold/object.h:1937

Looks like you have a section offset (18446744073709551050 ==
0xFFFFFFFFFFFFFDCA == -3530) that doesn't fit in a 32-bit Address.
This section sorting thing may be interfering with the incremental
update.

-cary

References:
- Re: Map ".text.hot" and ".text.unlikely" input section prefixes to separate output sections.
  - From: Ian Lance Taylor
- Re: Map ".text.hot" and ".text.unlikely" input section prefixes to separate output sections.
  - From: Sriraman Tallam
- Re: Map ".text.hot" and ".text.unlikely" input section prefixes to separate output sections.
  - From: Ian Lance Taylor
- Re: Map ".text.hot" and ".text.unlikely" input section prefixes to separate output sections.
  - From: Sriraman Tallam
- Re: Map ".text.hot" and ".text.unlikely" input section prefixes to separate output sections.
  - From: Ian Lance Taylor
- Re: Map ".text.hot" and ".text.unlikely" input section prefixes to separate output sections.
  - From: H.J. Lu
- Re: Map ".text.hot" and ".text.unlikely" input section prefixes to separate output sections.
  - From: Cary Coutant
- Re: Map ".text.hot" and ".text.unlikely" input section prefixes to separate output sections.
  - From: Cary Coutant
- Re: Map ".text.hot" and ".text.unlikely" input section prefixes to separate output sections.
  - From: Cary Coutant
- Re: Map ".text.hot" and ".text.unlikely" input section prefixes to separate output sections.
  - From: Ian Lance Taylor
- Re: Map ".text.hot" and ".text.unlikely" input section prefixes to separate output sections.
  - From: H.J. Lu
- Re: Map ".text.hot" and ".text.unlikely" input section prefixes to separate output sections.
  - From: Ian Lance Taylor
- Re: Map ".text.hot" and ".text.unlikely" input section prefixes to separate output sections.
  - From: H.J. Lu
- Re: Map ".text.hot" and ".text.unlikely" input section prefixes to separate output sections.
  - From: H.J. Lu

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