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No references to any of these exist in the tree. The list was also
erratic with different architectures exporting different things
(arm64 and riscv exported none).
Reviewed by: kib
Sponsored by: DARPA, AFRL
Differential Revision: https://reviews.freebsd.org/D18425
Notes:
svn path=/head/; revision=341509
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Previously, libc.so would initialize its notion of the break address
using _end, a special symbol emitted by the static linker following
the bss section. Compatibility issues between lld and ld.bfd could
cause the wrong definition of _end (libc.so's definition rather than
that of the executable) to be used, breaking the brk()/sbrk()
interface.
Avoid this problem and future interoperability issues by simply not
relying on _end. Instead, modify the break() system call to return
the kernel's view of the current break address, and have libc
initialize its state using an extra syscall upon the first use of the
interface. As a side effect, this appears to fix brk()/sbrk() usage
in executables run with rtld direct exec, since the kernel and libc.so
no longer maintain separate views of the process' break address.
PR: 228574
Reviewed by: kib (previous version)
MFC after: 2 months
Differential Revision: https://reviews.freebsd.org/D15663
Notes:
svn path=/head/; revision=334626
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Originally, on the VAX exect() enable tracing once the new executable
image was loaded. This was possible because tracing was controllable
through user space code by setting the PSL_T flag. The following
instruction is a system call that activated tracing (as all
instructions do) by copying PSL_T to PSL_TP (trace pending). The
first instruction of the new executable image would trigger a trace
fault.
This is not portable to all platforms and the behavior was replaced with
ptrace(PT_TRACE_ME, ...) since FreeBSD forked off of the CSRG repository.
Platforms either incorrectly call execve(), trigger trace faults inside
the original executable, or do contain an implementation of this
function.
The exect() interfaces is deprecated or removed on NetBSD and OpenBSD.
Submitted by: Ali Mashtizadeh <ali@mashtizadeh.com>
Reviewed by: kib
Differential Revision: https://reviews.freebsd.org/D14989
Notes:
svn path=/head/; revision=332443
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i386 stopped exporting .cerror in r240152, and likewise for amd64 in
r240178. It is not used by other libraries on any platform, so apply
the same change to the remaining architectures.
Reviewed by: jhibbits, jilles
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D5774
Notes:
svn path=/head/; revision=297418
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They are not used anywhere else in the base system and are an internal
implementation detail that does not need to be exposed.
Reviewed by: kib
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D5728
Notes:
svn path=/head/; revision=297238
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current one (= FBSD_1.3).
Pointed out by: kib
Notes:
svn path=/head/; revision=236006
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function. The purpose of the __eabi() function is to set up the
runtime and is called first thing by main(). The runtime is already
set up for us prior to caling main, so there's nothing to do for
us in the EABI case.
Notes:
svn path=/head/; revision=235929
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working MI one. The MI one only needs to be overridden on machines
with non-IEEE754 arithmetic. (The last supported one was the VAX.)
It can also be overridden if someone comes up with a faster one that
actually passes the regression tests -- but this is harder than it sounds.
Notes:
svn path=/head/; revision=226606
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Not quite sure if this is 100% correct: awaiting review. But quieten
tinderbox in the meantime.
Notes:
svn path=/head/; revision=172740
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net: endhostdnsent is named _endhostdnsent and is
private to netdb family of functions.
posix1e: acl_size.c has been never compiled in,
so there's no "acl_size".
rpc: "getnetid" is a static function.
stdtime: "gtime" is #ifdef'ed out in the source.
some symbols are specific only to some architectures,
e.g., ___tls_get_addr is only defined on i386.
__htonl, __htons, __ntohl and __ntohs are no longer
functions, they are now (internal) defines in
<machine/endian.h>.
Submitted by: ru
Notes:
svn path=/head/; revision=170154
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Submitted by: marius
Notes:
svn path=/head/; revision=169548
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arch. It can be named differently depending on the arch (.mcount,
_mcount).
Submitted by: marius
Notes:
svn path=/head/; revision=169525
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Notes:
svn path=/head/; revision=169092
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Reviewed by: davidxu
Notes:
svn path=/head/; revision=156608
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