profiling with cc

[Marius Strobl]

On Fri, Feb 03, 2006 at 10:59:04PM +0100, Andreas Tobler wrote:
> Hello,
> 
> I just wonder what I do wrong.
> 
> I try to compile a simple hello.c with -pg and I fail with the following:
> 
> [enterprise:~] andreast% cc hello.c -O2 -pg -fno-show-column  -o hello.exe
> /var/tmp//ccwucjWJ.o(.text+0xc): In function `main':
> : undefined reference to `_mcount'
> /usr/lib/libc_p.a(__sparc_utrap_setup.po)(.text+0x8): In function 
> `__sparc_utrap_setup':
> : undefined reference to `_mcount'
> /usr/lib/libc_p.a(gmon.po)(.text+0x8): In function `monstartup':
> : undefined reference to `_mcount'
> /usr/lib/libc_p.a(gmon.po)(.text+0x1a8): In function `_mcleanup':
> : undefined reference to `_mcount'
> /usr/lib/libc_p.a(gmon.po)(.text+0x3e8): In function `moncontrol':
> : undefined reference to `_mcount'
> /usr/lib/libc_p.a(gmon.po)(.text+0x468): more undefined references to 
> `_mcount' follow
> 
> [enterprise:~] andreast% cat hello.c
> #include <stdio.h>
> int main (void)
> {
>          printf("hello\n");
>          return 1;
> }
> 
> [enterprise:~] andreast% cc -v
> Using built-in specs.
> Configured with: FreeBSD/sparc64 system compiler
> Thread model: posix
> gcc version 3.4.4 [FreeBSD] 20050518
> 
> The machine I use for is a enterprise 2,
> [enterprise:~] andreast% uname -ra
> FreeBSD enterprise.andreas.nets 7.0-CURRENT FreeBSD 7.0-CURRENT #0: Thu 
> Feb  2 07:18:49 CET 2006 
> andreast at enterprise.andreas.nets:/usr/obj/home/andreast/devel/src/sys/GENERIC 
>   sparc64
> 
> Is there something known about this? Do I do something wrong when I 
> buildworld? The only known thing to me is the modification of CFLAGS= -O 
> -pipe.
> 

Userland profiling simply isn't implemented for FreeBSD/sparc64 so far.

Marius

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