[SCM] Hurd branch, master, updated. v0.5-446-gdb9ad21

[Justus Winter]

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The branch, master has been updated
       via  db9ad21d272a4dce53c35095b97ca0a597b45004 (commit)
       via  af77f771b687d3653018bc18b1b07a4805beaa19 (commit)
      from  1a22019e6a86d0636f9847f8891f280facd2fd22 (commit)

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- Log -----------------------------------------------------------------
commit db9ad21d272a4dce53c35095b97ca0a597b45004
Author: Justus Winter <address@hidden>
Date:   Mon Sep 22 17:59:57 2014 +0200

    exec: redzone page zero before loading anything
    
    This prevents load_section from mapping any sections to page zero.
    
    * exec/exec.c (do_exec): Redzone page zero before loading anything.

commit af77f771b687d3653018bc18b1b07a4805beaa19
Author: Justus Winter <address@hidden>
Date:   Tue Sep 23 11:42:43 2014 +0200

    exec: add proper argument parsing, add --device-master-port
    
    If the device master port is given, a boot-time exec server can print
    diagnostic messages earlier.
    
    * exec/main.c (opt_device_master): New variable.
    (OPT_DEVICE_MASTER_PORT): New macro.
    (options): New set of options.
    (parse_opt): New function.
    (trivfs_append_args): Likewise.
    (argp): Pull the argp definition out of main.
    (trivfs_runtime_argp): Set, so that we respond properly to fsysopts.
    (open_console): Pull the code out of S_exec_init and generalize it.
    (main): Call open_console if a device master port is given.
    (S_exec_init): Call open_console.

-----------------------------------------------------------------------

Summary of changes:
 exec/exec.c |   10 +++++
 exec/main.c |  106 +++++++++++++++++++++++++++++++++++++++++++++++++++-------
 2 files changed, 103 insertions(+), 13 deletions(-)


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