Date: Fri, 12 May 2000 22:49:20 +0700 (ALMST) From: Boris Popov <bp@butya.kz> To: John Baldwin <jhb@FreeBSD.org> Cc: "Daniel C. Sobral" <dcs@newsguy.com>, freebsd-alpha@FreeBSD.org, peter@FreeBSD.org Subject: Re: Loader fixed Message-ID: <Pine.BSF.4.10.10005122227390.65582-100000@lion.butya.kz> In-Reply-To: <200005121334.JAA10067@server.baldwin.cx>
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On Fri, 12 May 2000, John Baldwin wrote: > Here's a broken one: > > -r-xr-xr-x 1 root wheel 186648 May 11 11:48 /boot/loader.old > > If we do a little hex work: > > > printf "%x %x" 182680 186648 > 2c998 2d918 I have zero knowledge about Alpha architecture and may be completely wrong, but: Loader load address defined as: SECONDARY_LOAD_ADDRESS= 0x2000c000 # "Region 1 start" + 48k As I can see from sources, at the boot moment here is only one page of 256K dedicated to loader, so: 256*1024 - 0xc000 - 0x2d918 = 26344 A loader binary doesn't contain BSS segment which consists of stack (8KB) and uninitialized data. It is quite possible, that together with BSS data, total loader size exceeds 256k limit (and/or overlaps with heap which may explain mysterious zfree() error). -- Boris Popov To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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