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Re: Asm problems with gcc and libc compilation
- To: Andrew Lees <andrewl at acay dot com dot au>
- Subject: Re: Asm problems with gcc and libc compilation
- From: Alexandre Oliva <aoliva at redhat dot com>
- Date: 05 Apr 2001 23:00:29 -0300
- Cc: "'help-gcc at gnu dot org'" <help-gcc at gnu dot org>
- Organization: GCC Team, Red Hat
- References: <01040513454303.16724@tornado2>
On Apr 5, 2001, Andrew Lees <andrewl@acay.com.au> wrote:
> I have tried both gcc-2.95 and gcc-2.7.2. In both cases I get
> errors when compiling the libc5 library, specifically compiling some
> cases of syscall* for the *shared* library build only.
ebx is a fixed register when compiling with -fPIC, so it can't be used
in asm statements. Recent versions of GCC started to detect this
incorrect usage, that might silently generate incorrect code in
earlier releases.
--
Alexandre Oliva Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp oliva@{lsd.ic.unicamp.br, gnu.org}
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