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45 Commits

Author SHA1 Message Date
scw
b722bfb186 Compensate for the syscall args stack cleanup in the clone. 
(Pointed out by Matthias Pfaller)
 2001-07-20 17:08:18 +00:00
scw
c45a0d8765 clone(2) syscall frontend for m68k. 2001-07-19 21:50:46 +00:00
kleink
f56935aca7 Shameless hack to reference end when using a.out and _end when using ELF. 2001-05-05 17:46:37 +00:00
scw
e86cd7609a The bare minimum to get m68k libc working again... 2000-12-13 21:46:23 +00:00
scw
c762ba1426 Use A1 to save the return address, since A0 is no longer preserved across 
system calls.
 2000-12-07 14:13:43 +00:00
scw
4cc90c99f2 The last change broke things if SYS___vfork14 returned an error; fix it. 2000-12-07 14:12:49 +00:00
scw
6751bb4f81 Save the return address in %a1 across the vfork syscall instead of %a0. 2000-12-02 17:03:06 +00:00
scw
c81e32f3dd Add missing register prefixes. 2000-11-28 11:37:20 +00:00
kleink
a253819635 Whitespace botch in previous, noticed by Leo Weppelman and Thorsten Frueauf. 2000-10-02 14:52:39 +00:00
kleink
82fd76bb06 Need an internal name for pipe(2). 2000-09-28 08:38:53 +00:00
itohy
af83a97717 Add special treatment of shmat(2). 
On m68k ELF calling standard (__SVR4_ABI__), if a function
returns a pointer, the return value should go to a0 as well as d0.
 2000-07-07 08:20:50 +00:00
kleink
b8a4d7adf9 Need an internal name for fork(). 2000-06-26 06:32:54 +00:00
kleink
15bc7ed349 Thinko in previous: we do always use an internal name. 2000-06-26 06:25:36 +00:00
kleink
03f996bd0c Add internal names for brk() and sbrk(). 2000-06-23 15:40:36 +00:00
thorpej
3b435a7396 Add register prefixes. 1999-10-25 23:48:07 +00:00
itohy
1d0a433095 ELF PIC support. 1999-10-18 03:24:28 +00:00
thorpej
30dca7f7db Add __msgctl13(), __semctl13(), and __shmctl13() (symbols are __RENAME()'d 
in their respective header files).  Add PSEUDO stubs for the old versions
of these system calls.

Note that __semctl13() doesn't require the extra stub that the old
semctl()/__semctl() did, as the SUSv2 version takes variable arguments,
and thus does not require the extra indirection.
 1999-08-25 05:09:27 +00:00
kleink
5b2a4f0824 Call cerror through the PLT. 1999-05-02 23:19:49 +00:00
kleink
18d5ba6151 We can shave off a register-register move when using the SVR4 ABI: __errno() 
will return its pointer result in a0.
 1999-05-02 20:52:02 +00:00
kleink
b74f892f6d Declare cerror using _ENTRY() to get, among other things, a .type statement. 1999-04-29 15:37:21 +00:00
kleink
6348b7d5b5 * On architectures using ELF, and conditionally on those in transition, rename 
_ASM_LABEL(cerror) and _ASM_LABEL(curbrk) to _C_LABEL(__cerror) and
_C_LABEL(__curbrk) (or their respective architecture-specific equivalents) to
avoid possible name clashes with identifiers used in user applications.
* Do the same for minbrk on all architectures to avoid a GCC-specific (and
on ELF architectures effectively useless) symbol reference renaming in MI code.
 1999-01-14 22:48:18 +00:00
thorpej
efd37a7da8 Warn about references to the compatibility vfork() (i.e. the vfork() with 
the 4.4BSD non-shared-address-space semantics), and direct the user to
include <unistd.h> to generate the correct reference.

This warning isn't about an ABI compatibility issue, but the new vfork() is
considerably faster.
 1998-12-02 19:29:56 +00:00
thorpej
e644246e6a Warn about references to the compatibility() sigaction(), sigpending(), 
sigprocmask(), sigreturn(), and sigsuspend(), and direct the user to
include <signal.h> to generate the correct reference.
 1998-12-02 01:01:03 +00:00
kleink
ad0a7279e9 Add *__errno() redirection for _REENTRANT code. Also, some movel vs. movl 
consistency.
 1998-10-06 19:05:26 +00:00
kleink
9849eb57f8 Declare one of {__errno,errno}, depending on _REENTRANT. 1998-10-06 18:56:25 +00:00
thorpej
4359863000 Update for signal changes. 1998-10-05 02:34:18 +00:00
thorpej
d5bc168ba9 Use _C_LABEL() to generate C labels. 1998-07-01 06:44:14 +00:00
thorpej
bedc7b48df Add syscall stubs for __vfork14(). These are basically copies of Ovfork.S 
with the syscall numbers changed.

Since 4.4BSD vfork(2) did not share address space, Ovfork.S could be changed
to be identical to fork.S (modulo syscall numbers).  __vfork14.S, however,
needs to remain separate since with a shared address space, the stub needs to
pre-decrement the stack and do an indirect jump to the return address, so that
the shared stackframe is still there when the parent returns.  (Obviously,
this does not apply to systems which to not build stackframes on leaf calls.)
 1998-01-04 20:58:08 +00:00
jtc
11935403ef PROF -> GPROF 1996-11-30 02:31:49 +00:00
mycroft
c9ec05f4b2 Treat reboot() like a normal system call. From PR 2458. 1996-11-11 13:41:08 +00:00
jtc
cbae3f00b8 Change __REENTRANT to _REENTRANT, the latter is used Solaris and I can 
think of no good reason to be different.
 1996-11-07 05:20:33 +00:00
jtc
f1af62ef3d Changed so that when __REENTRANT is defined, cerror calls __errno() 
for the address of a variable used to store the error number instead
of writing to the global errno.

In a multi-threaded program, __errno() will return a pointer to a
thread-specific variable.
 1996-11-07 05:16:41 +00:00
thorpej
6cdbd4c23a New-style RCS ids. Use the RCSID() macro where appropriate. 1995-12-13 22:17:46 +00:00
mycroft
4c34be6b52 Clean up deleted files. 1995-03-01 00:00:00 +00:00
chopps
628cf4e2c8 fixed ld.so to properly save all regs when binding PIC functions. We no 
longer need the special case (PIC) code to push args when calling cerror.
 1994-08-04 05:02:31 +00:00
mycroft
ca01015e04 Clean up deleted files. 1994-04-02 05:37:06 +00:00
cgd
b62b3fc050 have cerror DTRT on returns, w.r.t. quads and -1. it needs to be done 
here (think of syscall(SYS_lseek,...)).  also, kill bogus lseek thang.
 1994-04-02 05:37:04 +00:00
mycroft
d5dbb53fee Set d1 to -1 before cerror. 1994-03-31 18:50:58 +00:00
mycroft
1fe07f186d Separate curbrk and mincrk. 1994-01-27 15:08:03 +00:00
mycroft
3463cb4eef Trivial speedup inspired by SPARC code. 1994-01-27 15:00:49 +00:00
mycroft
c25c219087 Random cleanup. 1994-01-27 14:45:52 +00:00
jtc
0e09f939b2 Fix bug #24 by renaming _logname_valid to __logname_valid. 1993-12-18 01:02:47 +00:00
briggs
0db5dab189 Ovfork doesn't get .even any other way, so we must explicitly give it 
one.
 1993-12-04 18:59:42 +00:00
mycroft
448e711c78 Clean up deleted files. 1993-12-04 01:28:42 +00:00
paulus
75d4ac9791 Machine-dependent files for generic m68k machines (copied from hp300), 
modified to support shared libraries.
 1993-11-25 23:39:23 +00:00