ExternalVendorCode/genode
1
0
Fork 0
mirror of https://github.com/genodelabs/genode.git synced 2024-12-30 18:47:01 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity
01bd87e90b
genode/repos/libports/lib/mk/libc.mk

62 lines
1.6 KiB
Makefile
Raw Normal View History

Imported Genode release 11.11
2011-12-22 15:19:25 +00:00
#
# C Library including string, locale
#
LIBS = libc-string libc-locale libc-stdlib libc-stdio libc-gen libc-gdtoa \
libc: reintegrate libc_resolv library Remove getaddrinfo and freeaddrinfo from the Libc::Plugin and get rid of the extra libc_resolv library. Remove getaddrinfo/freeaddrinfo symbol hiding patch for FreeBSD sources. Remove libc_resolv from Makefiles and run scenarios. Fix #2273
2017-09-14 19:00:36 +00:00
libc-inet libc-stdtime libc-regex libc-compat libc-setjmp libc-mem \
Libc: update port to Freebsd 12 Fix #3289
2019-04-26 10:47:33 +00:00
libc-resolv libc-isc libc-nameser libc-net libc-rpc libc-tzcode \
libc-libkern
Extend libc with libresolv functionality This commit enables libc's own libresolv and its dependencies.
2012-05-24 13:26:59 +00:00
os/timer: interpolate time via timestamps Previously, the Genode::Timer::curr_time always used the Timer_session::elapsed_ms RPC as back end. Now, Genode::Timer reads this remote time only in a periodic fashion independently from the calls to Genode::Timer::curr_time. If now one calls Genode::Timer::curr_time, the function takes the last read remote time value and adapts it using the timestamp difference since the remote-time read. The conversion factor from timestamps to time is estimated on every remote-time read using the last read remote-time value and the timestamp difference since the last remote time read. This commit also re-works the timeout test. The test now has two stages. In the first stage, it tests fast polling of the Genode::Timer::curr_time. This stage checks the error between locally interpolated and timer-driver time as well as wether the locally interpolated time is monotone and sufficiently homogeneous. In the second stage several periodic and one-shot timeouts are scheduled at once. This stage checks if the timeouts trigger sufficiently precise. This commit adds the new Kernel::time syscall to base-hw. The syscall is solely used by the Genode::Timer on base-hw as substitute for the timestamp. This is because on ARM, the timestamp function uses the ARM performance counter that stops counting when the WFI (wait for interrupt) instruction is active. This instruction, however is used by the base-hw idle contexts that get active when no user thread needs to be scheduled. Thus, the ARM performance counter is not a good choice for time interpolation and we use the kernel internal time instead. With this commit, the timeout library becomes a basic library. That means that it is linked against the LDSO which then provides it to the program it serves. Furthermore, you can't use the timeout library anymore without the LDSO because through the kernel-dependent LDSO make-files we can achieve a kernel-dependent timeout implementation. This commit introduces a structured Duration type that shall successively replace the use of Microseconds, Milliseconds, and integer types for duration values. Open issues: * The timeout test fails on Raspberry PI because of precision errors in the first stage. However, this does not render the framework unusable in general on the RPI but merely is an issue when speaking of microseconds precision. * If we run on ARM with another Kernel than HW the timestamp speed may continuously vary from almost 0 up to CPU speed. The Timer, however, only uses interpolation if the timestamp speed remained stable (12.5% tolerance) for at least 3 observation periods. Currently, one period is 100ms, so its 300ms. As long as this is not the case, Timer_session::elapsed_ms is called instead. Anyway, it might happen that the CPU load was stable for some time so interpolation becomes active and now the timestamp speed drops. In the worst case, we would now have 100ms of slowed down time. The bad thing about it would be, that this also affects the timeout of the period. Thus, it might "freeze" the local time for more than 100ms. On the other hand, if the timestamp speed suddenly raises after some stable time, interpolated time can get too fast. This would shorten the period but nonetheless may result in drifting away into the far future. Now we would have the problem that we can't deliver the real time anymore until it has caught up because the output of Timer::curr_time shall be monotone. So, effectively local time might "freeze" again for more than 100ms. It would be a solution to not use the Trace::timestamp on ARM w/o HW but a function whose return value causes the Timer to never use interpolation because of its stability policy. Fixes #2400
2017-04-21 22:52:23 +00:00
LIBS += base vfs
Imported Genode release 11.11
2011-12-22 15:19:25 +00:00
#
# Back end
#
Add support for symbolic links This patch adds support for symbolic links in libc, libc plugins, file system servers and Noux. Fixes #322.
2012-10-08 12:44:31 +00:00
SRC_CC = atexit.cc dummies.cc rlimit.cc sysctl.cc \
libc: prevent timer session if rtc not configured This patch makes the creation of the libc's timer session depend on whether or not the 'rtc' attribute of the <libc> configuration is defined. If not configured, 'clock_gettime' returns 0. Fixes #2625
2017-12-20 11:11:11 +00:00
issetugid.cc errno.cc gai_strerror.cc time.cc \
malloc.cc progname.cc fd_alloc.cc file_operations.cc \
Libc: update port to Freebsd 12 Fix #3289
2019-04-26 10:47:33 +00:00
plugin.cc plugin_registry.cc select.cc exit.cc environ.cc sleep.cc \
Generalize ABI mechanism to shared objects This patch make the ABI mechanism available to shared libraries other than Genode's dynamic linker. It thereby allows us to introduce intermediate ABIs at the granularity of shared libraries. This is useful for slow-moving ABIs such as the libc's interface but it will also become handy for the package management. To implement the feature, the build system had to be streamlined a bit. In particular, archive dependencies and shared-lib dependencies are now handled separately, and the global list of 'SHARED_LIBS' is no more. Now, the variable with the same name holds the per-target list of shared libraries used by the target.
2016-12-29 17:27:45 +00:00
pread_pwrite.cc readv_writev.cc poll.cc \
libc: merge RTC and time backends Issue #3450
2019-08-12 14:28:29 +00:00
vfs_plugin.cc dynamic_linker.cc signal.cc \
Libc: single-user getpwent implementation Implement the passwd database subroutines with single-user database. This database is populated with a <passwd/> sub-node of the libc configuration node. All fields of the "passwd" struct may be specified with reasonable defaults provided for a "root" user. This allows a libc-based component to spoof user information for the sake of porting existing Unix software. A test is provided at run/libc_getpwent. Fix #2919
2018-07-16 14:58:23 +00:00
socket_operations.cc task.cc socket_fs_plugin.cc syscall.cc \
libc: execve This patch implements 'execve' in Genode's libc. The mechanism relies on the dynamic linker's ability to replace the loaded binary while keeping crucial libraries - in particular the libc - intact. The state outside the libc is wiped. For this reason, all libc internal state needed beyond the 'execve' call must be allocated on a heap separate from the application-owned malloc heap. E.g., libc-internal file-descriptor objects must not be allocated or refer to any memory object allocated from the malloc heap. Issue #3481
2019-08-20 10:18:54 +00:00
getpwent.cc getrandom.cc fork.cc execve.cc
Merge libc_vfs plugin into libc Issue #999
2014-04-24 10:40:18 +00:00
Merge pthread into libc library The pthread API is considered a standard feature of libc so better to simply merge it with the libc. Pthreads are in fact already a part of the libc in the form of weak symbols. This merger is also a prerequisite for better integrating pthreads with the libc I/O task. Fix #3054
2018-11-21 16:17:25 +00:00
#
# Pthreads
#
SRC_CC += semaphore.cc rwlock.cc \
thread.cc thread_create.cc
Libc: update port to Freebsd 12 Fix #3289
2019-04-26 10:47:33 +00:00
#
# FreeBSD headers use the C99 restrict keyword
#
CXX_DEF += -Drestrict=__restrict
#
# Extra include path for internal dummies
#
CC_OPT_dummies += -I$(LIBC_DIR)/sys
libc: read sysctl info from /.sysctl/... Fixes #1931
2016-04-15 12:19:51 +00:00
Merge libc_vfs plugin into libc Issue #999
2014-04-24 10:40:18 +00:00
INC_DIR += $(REP_DIR)/src/lib/libc
Move server API concept to base framework This commit introduces the new `Component` interface in the form of the headers base/component.h and base/entrypoint.h. The os/server.h API has become merely a compatibilty wrapper and will eventually be removed. The same holds true for os/signal_rpc_dispatcher.h. The mechanism has moved to base/signal.h and is now called 'Signal_handler'. Since the patch shuffles headers around, please do a 'make clean' in the build directory. Issue #1832
2015-12-23 14:22:33 +00:00
INC_DIR += $(REP_DIR)/src/lib/libc/include
# needed for base/internal/unmanaged_singleton.h
INC_DIR += $(BASE_DIR)/src/include
Libc: update port to Freebsd 12 Fix #3289
2019-04-26 10:47:33 +00:00
INC_DIR += $(BASE_DIR)/sys
Imported Genode release 11.11
2011-12-22 15:19:25 +00:00
#
# Files from string library that are not included in libc-raw_string because
# they depend on the locale library.
#
SRC_C += strcoll.c strxfrm.c wcscoll.c wcsxfrm.c
include $(REP_DIR)/lib/mk/libc-common.inc
vpath % $(REP_DIR)/src/lib/libc
libports: migrate to new ports mechanism Issue #1082
2014-05-07 21:52:52 +00:00
vpath % $(LIBC_DIR)/lib/libc/string
Imported Genode release 11.11
2011-12-22 15:19:25 +00:00
#
# Shared library, for libc we need symbol versioning
#
SHARED_LIB = yes
Libc: update port to Freebsd 12 Fix #3289
2019-04-26 10:47:33 +00:00
LD_OPT += --version-script=$(LIBC_DIR)/lib/libc/Versions.def
Reference in New Issue Copy Permalink