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| author | Andrew Lee <alee14498@protonmail.com> | 2021-08-15 00:34:05 -0400 |
|---|---|---|
| committer | Andrew Lee <alee14498@protonmail.com> | 2021-08-15 00:34:05 -0400 |
| commit | 60cc83bf91bfc9bb02f6304b5d6c8234ba6d210f (patch) | |
| tree | fdc0be85a1ca35e34c3ae2c805fe9b718e3c1091 /gcc-1.40/README-ALTOS | |
| parent | dd8dfab51b832a654365ed00c06bf802ff628bfa (diff) | |
| download | linux-0.01-distro-60cc83bf91bfc9bb02f6304b5d6c8234ba6d210f.tar.gz linux-0.01-distro-60cc83bf91bfc9bb02f6304b5d6c8234ba6d210f.tar.bz2 linux-0.01-distro-60cc83bf91bfc9bb02f6304b5d6c8234ba6d210f.zip | |
Diffstat (limited to 'gcc-1.40/README-ALTOS')
| -rw-r--r-- | gcc-1.40/README-ALTOS | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/gcc-1.40/README-ALTOS b/gcc-1.40/README-ALTOS new file mode 100644 index 0000000..df13e4b --- /dev/null +++ b/gcc-1.40/README-ALTOS @@ -0,0 +1,53 @@ +Return-Path: <jkp@sauna.hut.fi> +Date: Mon, 10 Apr 89 10:13:45 +0300 +From: Jyrki Kuoppala <jkp@sauna.hut.fi> +Sender: jkp@sauna.hut.fi +To: info-gcc@prep.ai.mit.edu +Subject: Kernel fix needed for Altos 3068 to get coff-encapsulation working right +Organization: Helsinki University of Technology, Finland. + +Here's a description how to fix a kernel bug in Altos 3068 and get +gcc-compiled programs working. + +Author: Jyrki Kuoppala (jkp@cs.hut.fi) +Last modified: Mon Apr 10 09:28:40 1989 + +There's a bug in the Altos 3068 kernel that causes gcc-compiled +programs to fail in certain situations when the machine has a heavy +load and also in some other situations. The bug exists at least in +SVR 2.2 1.0gT1 and SVR 2.2 1.0e. + +If you have source code to your system, apply the following change to +os/exec.c (function gethead): + +Change the lines containing + + u.u_exdata.ux_tstart = sizeof(struct naout) + + sizeof(struct filhd) + (ep->ef.nscns * sizeof(struct scnhdr)); + +to + + u.u_exdata.ux_tstart = u.u_exdata.ux_txtorg; + +If you only have binary, use sdb to find out the address of the +previous lines (on our system it's gethead+0x140) and use your +favourite binary editor to change the bytes '3036 0162 fffc 0002 0280 +0000' to '23f9 01fb f4ca 01fb f4c2 6016'. This may or may not work in +your case, depending on the version of the operating system and the +phase of the moon. + +Here's what is just before gethead+0x140 to ease finding out the right place: + +0x9224 (gethead+0x122): 23f9 01fb f4ca 01fb f4ce mov.l &0x1fbf4ca.L,&0 +x1fbf4ce.L [] +0x922e (gethead+0x12c): 23f9 01fb f4c6 01fb f4ca mov.l &0x1fbf4c6.L,&0 +x1fbf4ca.L [] +0x9238 (gethead+0x136): 23f9 01fb f4c2 01fb f4c6 mov.l &0x1fbf4c2.L,&0 +x1fbf4c6.L [] + +Good luck ! + +//Jyrki + +jkp@cs.hut.fi + |