Update.

1998-09-14  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/mach/hurd/dl-cache.c (_dl_unload_cache): New dummy
	function.  Reported by okuji@kuicr.kyoto-u.ac.jp [PR libc/789].

1998-09-15  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_runtime_setup):
	Add profiling support.
	(TRAMPOLINE_TEMPLATE): New macro.
	(ELF_MACHINE_RUNTIME_TRAMPOLINE): Define in terms of that.
	(RTLD_START): Prettify, and set __libc_stack_end properly.
	(elf_machine_rela) [R_SPARC_COPY]: Remove RTLD_BOOTSTRAP ifndef
	and check for sym being NULL instead.
	* sysdeps/sparc/sparc64/addmul_1.S: Adjust to allocate 192 bytes
	of stack space.
	* sysdeps/sparc/sparc64/lshift.S: Likewise.
	* sysdeps/sparc/sparc64/mul_1.S: Likewise.
	* sysdeps/sparc/sparc64/rshift.S: Likewise.
	* sysdeps/sparc/sparc64/submul_1.S: Likewise.
	* sysdeps/sparc/sparc64/elf/crtbegin.S: Likewise and remove old
	MEDANY code model %g4 usage.
	* sysdeps/sparc/sparc64/elf/crtend.S: Likewise and remove old
	MEDANY code model %g4 usage.
	* sysdeps/sparc/sparc64/elf/start.S: Rework to not use old FULLANY
	code model address formation.
	* sysdeps/sparc/sparc64/dl-machine.h: Don't include link.h, do
	include elf/ldsodefs.h
	(DT_SPARC): Remove.
	(elf_machine_matches_host): It is now EM_SPARCV9.
	(elf_machine_dynamic): Clean up to remove ugly cast.
	(elf_machine_fixup_plt): Rework for new V9 ABI, add support for
	new PLT formats.
	(elf_machine_rela): Don't do anything at all for R_SPARC_NONE.
	Prettify rest of function.
	[R_SPARC_COPY]: Check for sym being NULL.
	[R_SPARC_32]: Handle it.
	[R_SPARC_H44, R_SPARC_M44, R_SPARC_L44]: Handle them for the
	MEDMID code model.
	[R_SPARC_HH22, R_SPARC_HM10, R_SPARC_LM22]: Handle them for the
	MEDANY code model.
	[R_SPARC_NONE]: Remove this case, as it is now checked earlier.
	(elf_machine_runtime_setup): Rewrite for new V9 ABI plt formats.
	Add profiling support.
	(TRAMPOLINE_TEMPLATE): New macro.
	(ELF_MACHINE_RUNTIME_TRAMPOLINE): Define in terms of that.
	(RTLD_START): Prettify and set __libc_stack_end.
	* sysdeps/unix/sysv/linux/sparc/bits/sigaction.h (SA_SIGINFO):
	Define.
	* sysdeps/unix/sysv/linux/sparc/bits/signum.h (_NSIG): Set to 64.
	(SIGRTMIN, SIGRTMAX, __SIGRTMIN, __SIGRTMAX): Define.
	* sysdeps/unix/sysv/linux/sparc/sparc32/brk.c (__brk): Remove
	unused variable scratch.
	* sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c
	(__syscall_rt_sigaction, __rt_sigreturn_stub, __sigreturn_stub):
	Declare.
	(__sigaction): Rewrite rt_sigaction case to pass correct sigreturn
	stub to rt_sigaction syscalls.  Rewrite non-rt case to use correct
	old format kernel sigaction structures.
	* sysdeps/unix/sysv/linux/sparc/sparc64/ucontext.h: Move...
	* sysdeps/unix/sysv/linux/sparc/sparc64/sys/ucontext.h: to here.
	* sysdeps/unix/sysv/linux/sparc/sparc64/Dist: Remove ucontext.h
	* sysdeps/unix/sysv/linux/sparc/sparc64/bits/setjmp.h: Fix
	ucontext include.
	(_JMPBUF_UNWINDS): Define.
	* sysdeps/unix/sysv/linux/sparc/sparc64/bits/statfs.h: Declare
	statfs64 structure, which is exactly the same as the normal one.
	* sysdeps/unix/sysv/linux/sparc/sparc64/brk.S: Allocate 192 bytes
	of stack.  Use correct syscall trap number.  Add branch prediction
	settings to branch instructions.  Remove old MEDANY code model %g4
	referneces for non-PIC.
	* sysdeps/unix/sysv/linux/sparc/sparc64/clone.S: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/init-first.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S: Add
	__libc_longjmp and __libc_siglongjmp strong aliases.
	* sysdeps/unix/sysv/linux/sparc/sparc64/readdir.c (__readdir64):
	Also define to __no__readdir64_decl around readdir.c inclusion.
	(__readdir64): Add strong alias.
	* sysdeps/unix/sysv/linux/sparc/sparc64/socket.S: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list (getrlimit):
	Set strong and weak names properly.

1998-09-16 11:25  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* manual/Makefile (AWK): Default to gawk if standalone.

1998-09-15  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makefile (distribute): Undo last change.
	* Make-dist (+tsrc) [not subdir]: Also include indirection headers
	for sysdep headers.
	(+subdir-headers): Removed, unused.

1998-09-15  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* stdio-common/Makefile ($(inst_includedir)/bits/stdio_lim.h): Use
	$(do-install).

1998-09-15  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makerules ($(+sysdir_pfx)sysd-Makefile): Don't check for
	absolute name in $(config-sysdirs), can never happen.
	($(+sysdir_pfx)sysd-rules): Likewise.
	* Makeconfig (full-config-sysdirs): Likewise.
	(all-Subdirs-files): Prepend $(..).

	* configure.in: Don't check for absolute name in $add_ons_pfx, can
	not happen.  Let --enable-add-ons=yes work if no add-ons actually
	exist.

1998-09-15  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Rules ($(common-objpfx)bits/stdio_%.h): Remove extra
	continuations in command.

1998-09-15  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* libio/oldstdfiles.c (_IO_stdin_used): Update declaration.

1 files changed, 78 insertions, 14 deletions

diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c b/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c
index 742ac5583c..ae44328fad 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c
@@ -23,6 +23,13 @@
 #include <errno.h>
 #include <kernel_sigaction.h>
 
+extern int __syscall_rt_sigaction (int, const struct kernel_sigaction *,
+				   struct kernel_sigaction *, unsigned long,
+				   size_t);
+
+static void __rt_sigreturn_stub (void);
+static void __sigreturn_stub (void);
+
 /* The variable is shared between all wrappers around signal handling
    functions which have RT equivalents.  */
 int __libc_missing_rt_sigs;
@@ -30,8 +37,49 @@ int __libc_missing_rt_sigs;
 int
 __sigaction (int sig, __const struct sigaction *act, struct sigaction *oact)
 {
+  struct old_kernel_sigaction k_sigact, k_osigact;
   int ret;
-  struct kernel_sigaction k_sigact, k_osigact;
+
+  /* First try the RT signals.  */
+  if (!__libc_missing_rt_sigs)
+    {
+      struct kernel_sigaction kact, koact;
+      unsigned long stub = 0;
+      int saved_errno = errno;
+
+      if (act)
+	{
+	  kact.k_sa_handler = act->sa_handler;
+	  memcpy (&kact.sa_mask, &act->sa_mask, sizeof (sigset_t));
+	  if (((kact.sa_flags = act->sa_flags) & SA_SIGINFO) != 0)
+	    stub = (unsigned long) &__rt_sigreturn_stub;
+	  else
+	    stub = (unsigned long) &__sigreturn_stub;
+	  stub -= 8;
+	  kact.sa_restorer = NULL;
+	}
+
+      /* XXX The size argument hopefully will have to be changed to the
+	 real size of the user-level sigset_t.  */
+      ret = __syscall_rt_sigaction (sig, act ? &kact : 0,
+				    oact ? &koact : 0,
+				    stub, _NSIG / 8);
+
+      if (ret >= 0 || errno != ENOSYS)
+	{
+	  if (oact && ret >= 0)
+	    {
+	      oact->sa_handler = koact.k_sa_handler;
+	      memcpy (&oact->sa_mask, &koact.sa_mask, sizeof (sigset_t));
+	      oact->sa_flags = koact.sa_flags;
+	      oact->sa_restorer = koact.sa_restorer;
+	    }
+	  return ret;
+	}
+
+      __set_errno (saved_errno);
+      __libc_missing_rt_sigs = 1;
+    }
 
   /* Magic to tell the kernel we are using "new-style" signals, in that
      the signal table is not kept in userspace.  Not the same as the
@@ -41,15 +89,16 @@ __sigaction (int sig, __const struct sigaction *act, struct sigaction *oact)
   if (act)
     {
       k_sigact.k_sa_handler = act->sa_handler;
-      memcpy (&k_sigact.sa_mask, &act->sa_mask, sizeof (sigset_t));
+      k_sigact.sa_mask = act->sa_mask.__val[0];
       k_sigact.sa_flags = act->sa_flags;
+      k_sigact.sa_restorer = NULL;
     }
 
   {
     register int r_syscallnr __asm__("%g1") = __NR_sigaction;
     register int r_sig __asm__("%o0") = sig;
-    register struct kernel_sigaction *r_act __asm__("%o1");
-    register struct kernel_sigaction *r_oact __asm__("%o2");
+    register struct old_kernel_sigaction *r_act __asm__("%o1");
+    register struct old_kernel_sigaction *r_oact __asm__("%o2");
 
     r_act = act ? &k_sigact : NULL;
     r_oact = oact ? &k_osigact : NULL;
@@ -57,7 +106,7 @@ __sigaction (int sig, __const struct sigaction *act, struct sigaction *oact)
     __asm__ __volatile__("t 0x10\n\t"
 			 "bcc 1f\n\t"
 			 " nop\n\t"
-			 " sub %%g0,%%o0,%%o0\n"
+			 "sub %%g0,%%o0,%%o0\n"
 			 "1:"
 			 : "=r"(r_sig)
 			 : "r"(r_syscallnr), "r"(r_act), "r"(r_oact),
@@ -66,16 +115,13 @@ __sigaction (int sig, __const struct sigaction *act, struct sigaction *oact)
     ret = r_sig;
   }
 
-  if (ret >= 0)
+  if (oact && ret >= 0)
     {
-      if (oact)
-	{
-	  oact->sa_handler = k_osigact.k_sa_handler;
-	  memcpy (&oact->sa_mask, &k_osigact.sa_mask, sizeof (sigset_t));
-	  oact->sa_flags = k_osigact.sa_flags;
-	  oact->sa_restorer = NULL;
-	}
-      return 0;
+      oact->sa_handler = k_osigact.k_sa_handler;
+      oact->sa_mask.__val[0] = k_osigact.sa_mask;
+      oact->sa_flags = k_osigact.sa_flags;
+      oact->sa_restorer = NULL;
+      return ret;
     }
 
   __set_errno (-ret);
@@ -83,3 +129,21 @@ __sigaction (int sig, __const struct sigaction *act, struct sigaction *oact)
 }
 
 weak_alias (__sigaction, sigaction);
+
+static void
+__rt_sigreturn_stub (void)
+{
+  __asm__ ("mov %0, %%g1\n\t"
+	   "ta	0x10\n\t"
+	   : /* no outputs */
+	   : "i" (__NR_rt_sigreturn));
+}
+
+static void
+__sigreturn_stub (void)
+{
+  __asm__ ("mov %0, %%g1\n\t"
+	   "ta	0x10\n\t"
+	   : /* no outputs */
+	   : "i" (__NR_sigreturn));
+}