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Re: gdbserver build broken on amd64-linux
- From: Daniel Jacobowitz <drow at false dot org>
- To: Joel Brobecker <brobecker at gnat dot com>
- Cc: gdb-patches at sources dot redhat dot com
- Date: Wed, 20 Oct 2004 10:26:45 -0400
- Subject: Re: gdbserver build broken on amd64-linux
- References: <20041020053216.GB3527@gnat.com>
On Tue, Oct 19, 2004 at 10:32:16PM -0700, Joel Brobecker wrote:
> The compiler fails to find a couple of macros:
>
> > gcc -c -Wall -g -O2 -I. -I. -I./../regformats -I./../../include -I../../bfd -I./../../bfd linux-x86-64-low.c
> > linux-x86-64-low.c: In function 'ps_get_thread_area':
> > linux-x86-64-low.c:70: error: 'ARCH_GET_FS' undeclared (first use in this function)
> > linux-x86-64-low.c:70: error: (Each undeclared identifier is reported only once
> > linux-x86-64-low.c:70: error: for each function it appears in.)
> > linux-x86-64-low.c:74: error: 'ARCH_GET_GS' undeclared (first use in this function)
>
> I found the definitions in asm-x86_64/prctl.h. So I #included that file,
> and the build succeeded. Looking at the name, I wasn't too enthusiastic
> about it, as it didn't look too standard, so I looked around, and saw
> that this file is included from asm/prctl.h. So I changed the #include
> to that file instead, and got the builds again.
>
> 2004-10-19 Joel Brobecker <brobecker@gnat.com>
>
> * linux-x86-64-low.c: Include asm/prctl.h.
>
> I hope this is the right fix, but at the same time, I can't help but
> wonder how it did work before... Let me know if this is OK to apply
> or if it is the wrong fix (I am hoping that the location of these
> macros is not dependent on the Linux distribution).
How about ths instead?
#ifndef ARCH_GET_FS
#define ARCH_SET_GS 0x1001
#define ARCH_SET_FS 0x1002
#define ARCH_GET_FS 0x1003
#define ARCH_GET_GS 0x1004
#endif
--
Daniel Jacobowitz