genode

History

Alexander Boettcher 6862ab481a NOVA: drop special utcb handling of main thread Unify handling of UTCBs. The utcb of the main thread is with commit `ea38aad30e` at a fixed location - per convention. So we can remove all the ugly code to transfer the utcb address during process creation. To do so also the UTCB of the main thread of Core must be inside Genode's thread context area to handle it the same way. Unfortunately the UTCB of the main thread of Core can't be chosen, it is defined by the kernel. Possible solutions: - make virtual address of first thread UTCB configurable in hypervisor - map the utcb of the first thread inside Core to the desired location This commit implements the second option. Kernel patch: make utcb map-able With the patch the Utcb of the main thread of Core is map-able. Fixes #374 Noux actually uses the sp variable during thread creation and expects to be set accordingly. This wasn't the case for the main thread, it was ever set to the address of the main thread UTCB.		2012-10-04 14:35:38 +02:00
..
arch	NOVA: Fix ldso test for 64bit	2012-08-14 10:19:54 +02:00
arm	Bump year in copyright headers to 2012	2012-01-03 15:35:05 +01:00
contrib	Imported Genode release 11.11	2011-12-22 16:19:25 +01:00
include	Bump year in copyright headers to 2012	2012-01-03 15:35:05 +01:00
startup	Bump year in copyright headers to 2012	2012-01-03 15:35:05 +01:00
x86_32	Bump year in copyright headers to 2012	2012-01-03 15:35:05 +01:00
x86_64	Bump year in copyright headers to 2012	2012-01-03 15:35:05 +01:00
dl_extensions.h	Bump year in copyright headers to 2012	2012-01-03 15:35:05 +01:00
environ.cc	Bump year in copyright headers to 2012	2012-01-03 15:35:05 +01:00
err.cc	Bump year in copyright headers to 2012	2012-01-03 15:35:05 +01:00
file.cc	Add an 'executable' flag to 'Rm_session::attach()'	2012-04-20 11:21:19 +02:00
file.h	Bump year in copyright headers to 2012	2012-01-03 15:35:05 +01:00
ldso_types.c	Bump year in copyright headers to 2012	2012-01-03 15:35:05 +01:00
ldso.ld	Bump year in copyright headers to 2012	2012-01-03 15:35:05 +01:00
lock.cc	Bump year in copyright headers to 2012	2012-01-03 15:35:05 +01:00
main.c	Bump year in copyright headers to 2012	2012-01-03 15:35:05 +01:00
platform.c	Bump year in copyright headers to 2012	2012-01-03 15:35:05 +01:00
README	Imported Genode release 11.11	2011-12-22 16:19:25 +01:00
rtld_dummies.c	Bump year in copyright headers to 2012	2012-01-03 15:35:05 +01:00
stdio.cc	Bump year in copyright headers to 2012	2012-01-03 15:35:05 +01:00
stdlib.cc	Bump year in copyright headers to 2012	2012-01-03 15:35:05 +01:00
string.cc	Bump year in copyright headers to 2012	2012-01-03 15:35:05 +01:00
symbol.map	NOVA: drop special utcb handling of main thread	2012-10-04 14:35:38 +02:00
target.inc	Imported Genode release 11.11	2011-12-22 16:19:25 +01:00
test.cc	Bump year in copyright headers to 2012	2012-01-03 15:35:05 +01:00

README

This directory contains the port of the dynamic linker (ldso) from FreeBSD.


Usage
-----

To build a shared library instead of a regular static library, you just need to
declare 'SHARED_LIB = yes' in the library-description file.  When doing so, a
'<libname>.lib.so' file will be generated and installed in the
'<build-dir>/bin/' directory.  For building an executable that uses a shared
library, no special precautions are needed. The build system will automatically
detect the use of shared libraries, concludes that the binary must be
dynamically linked, and will use the correct linker script.  When loading a
dynamically linked program, the dynamic linker 'lsdo' and all used shared
objects must be loaded as well.

Debugging dynamic binaries with GDB stubs
-----------------------------------------

! # start GDB with binary to debug
! gdb <path to binary>
!
! # break in main routine
! b main
!
! # inspect loaded shared libraries
! info sharedlibrary
!
! # load shared symbols of shared libaries
! share
!
! # from here you can debug within libraries

:Known issues:

GDB 7.2 has a regression bug in its line information parser. These issue has
been fixed with version 7.3.