diff options
Diffstat (limited to 'hurd/debugging')
| -rw-r--r-- | hurd/debugging/glibc.mdwn | 24 | ||||
| -rw-r--r-- | hurd/debugging/translator/capturing_stdout_and_stderr.mdwn | 2 |
2 files changed, 19 insertions, 7 deletions
diff --git a/hurd/debugging/glibc.mdwn b/hurd/debugging/glibc.mdwn index 10a41503..1b7e6ab1 100644 --- a/hurd/debugging/glibc.mdwn +++ b/hurd/debugging/glibc.mdwn @@ -44,24 +44,26 @@ testsuite, use: To save even more build, stop the build after configure has run, and then you can restart the build of only libc.so and libc.a with: - cd build-tree/hurd-i386-libc - make lib + make -C build-tree/hurd-i386-libc lib or of only libc.so with: - make objdir=$PWD/build-tree/hurd-i386-libc $PWD/build-tree/hurd-i386-libc/libc.so + make -C build-tree/hurd-i386-libc objdir=$PWD/build-tree/hurd-i386-libc $PWD/build-tree/hurd-i386-libc/libc.so or of the whole tree with: - cd build-tree/hurd-i386-libc - make + make -C build-tree/hurd-i386-libc or of just one subdir with for instance: - make subdir=libpthread -C libpthread ..=../ objdir=$PWD/build-tree/hurd-i386-libc + make -C htl subdir=htl ..=../ objdir=$PWD/build-tree/hurd-i386-libc (note that most subdirs need libc.so built) +Similarly, you can run the testsuite of a single directory the same way: + + make check -C htl subdir=htl ..=../ objdir=$PWD/build-tree/hurd-i386-libc + --- In some cases, printing to stdout/stderr is problematic. One can use a kernel @@ -75,6 +77,16 @@ If your `mach_traps.h` does not have the declaration, use: extern void mach_print(const char *s); +If you can't use the libc-provided `mach_print` for some reason, you can use as last resort: + + asm("\ + my_mach_print:\n\ + mov $-30,%eax\n\ + lcall $7,$0\n\ + ret\n\ + "); + extern void my_mach_print(const char *s); + This call does not support any formatting. You can use this kind of helper to format a message before passing to gnumach: diff --git a/hurd/debugging/translator/capturing_stdout_and_stderr.mdwn b/hurd/debugging/translator/capturing_stdout_and_stderr.mdwn index 47fbbc48..c1abc7f9 100644 --- a/hurd/debugging/translator/capturing_stdout_and_stderr.mdwn +++ b/hurd/debugging/translator/capturing_stdout_and_stderr.mdwn @@ -16,7 +16,7 @@ silently dying all the time, without any console output: $ sudo settrans -fgap ↩ /servers/socket/2 ↩ /bin/sh -c 'exec >> /root/pfinet.log 2>&1 && date && ↩ - /hurd/pfinet -i eth0 -a [...]' + /hurd/pfinet -i /dev/eth0 -a [...]' $ [...] $ cat /root/pfinet.log [date] |