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path: root/localdecls.h
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* libsandbox: do not abort when the target uses bad pointersMike Frysinger2015-09-201-0/+4
| | | | | | | | | | | If the target passes a bad pointer to the kernel, then trying to extract the data via ptrace will also throw an error. The tracing code should not abort though as there's no valid address to check, and kernel itself will return an error for us. Simply return and move on. URL: https://bugs.gentoo.org/560396 Reported-by: Jeroen Roovers <jer@gentoo.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* libsandbox: handle open's O_TMPFILE flagv2.7Mike Frysinger2015-09-111-0/+3
| | | | | | | | | This new flag needs us to unpack & pass down the mode rather than always sending in the value of 0. URL: http://bugs.gentoo.org/529044 Reported-by: Aidan Thornton <makosoft@googlemail.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* libsandbox: handle broken kernel headersMike Frysinger2012-06-231-0/+11
| | | | | | | | Sometimes the struct in asm/ptrace.h is too small for what the kernel actually writes. Check to see which struct is larger (the one that the kernel declares or the C library declares), and use that. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* libsandbox: create more defines for gcc attributesMike Frysinger2012-06-231-0/+2
| | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* libsandbox: mark internal fds with O_CLOEXECMike Frysinger2012-03-071-0/+4
| | | | | | We don't want to bleed these across forks/execs. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* libsandbox: add likely/unlikely supportMike Frysinger2012-03-061-0/+3
| | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* libsandbox: delay trace_regs #error until useMike Frysinger2011-07-081-1/+2
| | | | | | | Don't error out if we're missing trace_regs, but we don't ever actually use it. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* libsandbox: add support for tracing Blackfin/PARISC systemsMike Frysinger2009-04-081-0/+8
| | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* bump common macros up to localdecls.h so tests can use themMike Frysinger2009-03-091-0/+13
| | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* libsandbox: handle symlinks properlyMike Frysinger2009-03-081-0/+1
| | | | | | | | | | | Make sure we handle edge cases that involve symlinks and functions that operate on symlinks. This includes newer style *at functions that can go between operating on symlinks and operating on the linked files, and on symlinks to files that live in explicitly denied paths. URL: http://bugs.gentoo.org/254914 Signed-off-by: Mike Frysinger <vapier@gentoo.org> Reported-by: Mike Auty <ikelos@gentoo.org>
* add checks for signal() return typesMike Frysinger2009-02-181-0/+10
| | | | | | | | | Some systems use sighandler_t while others use sig_t. Add a configure check so that we can assume sighandler_t is always available. URL: http://bugs.gentoo.org/259507 Signed-off-by: Mike Frysinger <vapier@gentoo.org> Reported-by: Javier Villavicencio <the_paya@gentoo.org>
* libsandbox: create hidden targets for most functionsMike Frysinger2009-02-181-0/+1
| | | | | | | | In case we want to access a standard function unwrapped, create hidden functions that do just that. This creates a standard for most functions of the form sb_unwrapped_foo(). Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* drop unused local GLIBC_MINOR defineMike Frysinger2009-02-171-2/+0
| | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* fix environ checkMike Frysinger2009-02-171-1/+1
| | | | | | | | | AC_CHECK_DECL will always create the relevant define and only differ in the actual value (0 or 1). URL: http://bugs.gentoo.org/258365 Signed-off-by: Mike Frysinger <vapier@gentoo.org> Reported-by: Javier Villavicencio <the_paya@gentoo.org>
* provide environ decl if system sucks and doesn't do it for usv1.3.6Mike Frysinger2009-02-091-0/+4
| | | | | | URL: http://bugs.gentoo.org/258365 Signed-off-by: Mike Frysinger <vapier@gentoo.org> Reported-by: Dan Coats <admin@easyshellz.com>
* define AT_FDCWD for older systemsMike Frysinger2008-12-231-0/+7
| | | | | | | | If the system is not up-to-date with latest POSIX, then setup AT_FDCWD ourself so that things build. Considering how we actually use the value, this shouldn't cause any problems ... Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* handle MAP_ANON on *BSD systemsMike Frysinger2008-12-231-0/+4
| | | | | | | Some systems (like the BSDs) do not define MAP_ANONYMOUS but rather just MAP_ANON. So handle it. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* cleanup whitespace and comments -- no functional changesMike Frysinger2008-11-091-1/+0
| | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* More changes to try and resolve OSes with generic getcwd() implementations.Martin Schlemmer2005-12-051-0/+8
| | | | Signed-off-by: Martin Schlemmer <azarah@gentoo.org>
* Also add weak symbols.Martin Schlemmer2005-12-051-0/+2
| | | | Signed-off-by: Martin Schlemmer <azarah@gentoo.org>
* Remove the SB_STATIC and including of getcwd.c, etc voodoo, as we new use aMartin Schlemmer2005-12-011-6/+0
| | | | | | | | symbol map, and all non-exported symbols are local. Cleanup getcwd.c, as the generic getcwd for older 2.4 kernels do not work properly anyhow, and just makes things slower. Some other warning fixes. Signed-off-by: Martin Schlemmer <azarah@gentoo.org>
* Fix non-versioned libc's to also prepend '__' to internal symbols by usingMartin Schlemmer2005-12-011-6/+11
| | | | | | strong aliases. Signed-off-by: Martin Schlemmer <azarah@gentoo.org>
* Use versioned symbols on supported libc's for functions we wrap, as well asMartin Schlemmer2005-11-301-4/+6
| | | | | | provide all versions of specific functions. Some syntax cleanups. Signed-off-by: Martin Schlemmer <azarah@gentoo.org>
* Move dlvsym define. Add symbol_version macros.Martin Schlemmer2005-11-301-0/+10
| | | | Signed-off-by: Martin Schlemmer <azarah@gentoo.org>
* dont define BROKEN_RTLD_NEXT in uClibcMike Frysinger2005-05-021-1/+1
| | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Make sure all functions used in libsandbox.c is declared static. DefineMartin Schlemmer2005-04-231-0/+6
| | | | | | | | | SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than linking with its object. Hopefully this will fix bug #90153. URL: http://bugs.gentoo.org/90153 Signed-off-by: Martin Schlemmer <azarah@gentoo.org> Reported-by: Alexandre Rostovtsev <tetromino@gmail.com>
* turn create-localdecls into semi-autotooledMike Frysinger2004-12-021-0/+43
Signed-off-by: Mike Frysinger <vapier@gentoo.org>