Re: Alpha hwcaps

[Jakub Jelinek <jakub at redhat dot com>]

On Sat, Sep 21, 2002 at 05:40:01PM +0200, Falk Hueffner wrote:
> Hi,
> 
> it looks like there *is* already some support in the loader for this:
> 
> % LD_LIBRARY_PATH=/lib strace true 2>&1 
> execve("/bin/true", ["true"], [/* 36 vars */]) = 0
> uname({sys="Linux", node="juist", ...}) = 0
> brk(0)                                  = 0x120013668
> mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2000001e000
> open("/etc/ld.so.preload", O_RDONLY)    = -1 ENOENT (No such file or directory)
> open("/lib/ev5/libc.so.6.1", O_RDONLY)  = -1 ENOENT (No such file or directory)
> stat("/lib/ev5", 0x11fffe688)           = -1 ENOENT (No such file or directory)
> open("/lib/libc.so.6.1", O_RDONLY)      = 3
> [...]
> 
> However, even after searching for about half an hour, I could not find
> the place in the code where it gets probed and the path extended...
> can anybody give me a hint?

Have a look at libc/elf/dl-load.c (_dl_init_paths, ...)
and libc/sysdeps/generic/dl-sysdep.c (_dl_important_hwcaps, ...).

	Jakub