diff options
| author | Thomas Schwinge <thomas@codesourcery.com> | 2013-07-21 15:35:02 -0400 |
|---|---|---|
| committer | Thomas Schwinge <thomas@codesourcery.com> | 2013-07-21 15:35:02 -0400 |
| commit | 9933cec0a18ae2a3d752f269d1bb12c19f51199d (patch) | |
| tree | cc30f2d56b87d3896e460a58b76e964231c0d578 /microkernel/mach/gnumach | |
| parent | 65efe654a9cb0b682efa9bf21065469a2e9147f4 (diff) | |
IRC.
Diffstat (limited to 'microkernel/mach/gnumach')
| -rw-r--r-- | microkernel/mach/gnumach/debugging.mdwn | 5 | ||||
| -rw-r--r-- | microkernel/mach/gnumach/interface/syscall/mach_print.mdwn | 29 |
2 files changed, 33 insertions, 1 deletions
diff --git a/microkernel/mach/gnumach/debugging.mdwn b/microkernel/mach/gnumach/debugging.mdwn index 71e92459..7e7cfb4e 100644 --- a/microkernel/mach/gnumach/debugging.mdwn +++ b/microkernel/mach/gnumach/debugging.mdwn @@ -1,4 +1,4 @@ -[[!meta copyright="Copyright © 2007, 2008, 2009, 2011, 2012 Free Software +[[!meta copyright="Copyright © 2007, 2008, 2009, 2011, 2012, 2013 Free Software Foundation, Inc."]] [[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable @@ -75,6 +75,9 @@ When you're [[running_a_system_in_QEMU|hurd/running/qemu]] you can directly kernel](http://www.nongnu.org/qemu/qemu-doc.html#SEC48). +## [[open_issues/debugging_gnumach_startup_qemu_gdb]] + + # Code Inside the Kernel Alternatively you can use an approach like this one: add the following code diff --git a/microkernel/mach/gnumach/interface/syscall/mach_print.mdwn b/microkernel/mach/gnumach/interface/syscall/mach_print.mdwn index ca52dca5..a169e92e 100644 --- a/microkernel/mach/gnumach/interface/syscall/mach_print.mdwn +++ b/microkernel/mach/gnumach/interface/syscall/mach_print.mdwn @@ -59,3 +59,32 @@ License|/fdl]]."]]"""]] it [[Makefile]], [[mach_print.S]], [[main.c]]. + + +## IRC, freenode, #hurd, 2013-07-01 + + <youpi> braunr: btw, we are missing the symbol in mach/Versions + <braunr> youpi: what symbol ? + <youpi> so the libc-provided RPC stub is not available + <youpi> mach_printf + <youpi> -f + <braunr> it's a system calll + <braunr> not exported + <youpi> s/RPC/system call/ + <braunr> that's expected + <youpi> libc does provide stubs for system calls too + <braunr> yes but not for this one + <youpi> I don't see why we wouldn't want to include it + <youpi> ?! it does + <braunr> it's temporary + <braunr> oh + <braunr> there must be automatic parsing during build + <youpi> sure + <braunr> nice + + <braunr> youpi: if we're going to make this system call exported by glibc, + i should change its interface first + <braunr> it was meant as a very quick-and-dirty hack and directly accesses + the caller's address space without going through a special copy-from-user + function + <braunr> not very portable |