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, 56 insertions, 21 deletions

diff --git a/sysdeps/sparc/sparc32/dl-machine.h b/sysdeps/sparc/sparc32/dl-machine.h
index da15e94a69..e1fb2b68ce 100644
--- a/sysdeps/sparc/sparc32/dl-machine.h
+++ b/sysdeps/sparc/sparc32/dl-machine.h
@@ -101,14 +101,26 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
 {
   Elf32_Addr *plt;
   extern void _dl_runtime_resolve (Elf32_Word);
+  extern void _dl_runtime_profile (Elf32_Word);
 
   if (l->l_info[DT_JMPREL] && lazy)
     {
+      Elf32_Addr rfunc;
+
       /* The entries for functions in the PLT have not yet been filled in.
 	 Their initial contents will arrange when called to set the high 22
 	 bits of %g1 with an offset into the .rela.plt section and jump to
 	 the beginning of the PLT.  */
       plt = (Elf32_Addr *) (l->l_addr + l->l_info[DT_PLTGOT]->d_un.d_ptr);
+      if (! profile)
+	rfunc = (Elf32_Addr) &_dl_runtime_resolve;
+      else
+	{
+	  rfunc = (Elf32_Addr) &_dl_runtime_profile;
+
+	  if (_dl_name_match_p (_dl_profile, l))
+	    _dl_profile_map = l;
+	}
 
       /* The beginning of the PLT does:
 
@@ -123,8 +135,7 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
 
       plt[0] = OPCODE_SAVE_SP;
       /* Construct PC-relative word address.  */
-      plt[1] = OPCODE_CALL | (((Elf32_Addr) &_dl_runtime_resolve -
-			       (Elf32_Addr) &plt[1]) >> 2);
+      plt[1] = OPCODE_CALL | ((rfunc - (Elf32_Addr) &plt[1]) >> 2);
       plt[2] = OPCODE_NOP;	/* Fill call delay slot.  */
       plt[3] = (Elf32_Addr) l;
     }
@@ -134,20 +145,36 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
 
 /* This code is used in dl-runtime.c to call the `fixup' function
    and then redirect to the address it returns.  */
-#define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\
-	.globl _dl_runtime_resolve
-	.type _dl_runtime_resolve, @function
-_dl_runtime_resolve:
+#define TRAMPOLINE_TEMPLATE(tramp_name, fixup_name)	\
+  asm ( "\
+	.text
+	.globl	" #tramp_name "
+	.type	" #tramp_name ", @function
+	.align	32
+" #tramp_name ":
 	/* Set up the arguments to fixup --
 	   %o0 = link_map out of plt0
-	   %o1 = offset of reloc entry  */
+	   %o1 = offset of reloc entry
+	   %o2 = return address  */
 	ld	[%o7 + 8], %o0
 	srl	%g1, 10, %o1
-	call	fixup
+	mov	%i7, %o2
+	call	" #fixup_name "
 	 sub	%o1, 4*12, %o1
 	jmp	%o0
 	 restore
-	.size _dl_runtime_resolve, . - _dl_runtime_resolve");
+	.size	" #tramp_name ", . - " #tramp_name "
+	.previous")
+
+#ifndef PROF
+#define ELF_MACHINE_RUNTIME_TRAMPOLINE 			\
+  TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup);	\
+  TRAMPOLINE_TEMPLATE (_dl_runtime_profile, profile_fixup);
+#else
+#define ELF_MACHINE_RUNTIME_TRAMPOLINE			\
+  TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup);	\
+  TRAMPOLINE_TEMPLATE (_dl_runtime_profile, fixup);
+#endif
 
 /* Nonzero iff TYPE should not be allowed to resolve to one of
    the main executable's symbols, as for a COPY reloc.  */
@@ -171,9 +198,10 @@ _dl_runtime_resolve:
    its return value is the user program's entry point.  */
 
 #define RTLD_START __asm__ ("\
-.text
-	.globl _start
-	.type _start,@function
+	.text
+	.globl	_start
+	.type	_start, @function
+	.align	32
 _start:
   /* Allocate space for functions to drop their arguments.  */
 	sub	%sp, 6*4, %sp
@@ -181,8 +209,8 @@ _start:
 	call	_dl_start
 	 add	%sp, 22*4, %o0
 	/* FALTHRU */
-	.globl _dl_start_user
-	.type _dl_start_user,@function
+	.globl	_dl_start_user
+	.type	_dl_start_user, @function
 _dl_start_user:
   /* Load the PIC register.  */
 1:	call	2f
@@ -191,6 +219,12 @@ _dl_start_user:
 	add	%l7, %o7, %l7
   /* Save the user entry point address in %l0 */
 	mov	%o0, %l0
+  /* Store the highest stack address.  */
+	sethi	%hi(__libc_stack_end), %g2
+	or	%g2, %lo(__libc_stack_end), %g2
+	ld	[%l7 + %g2], %l1
+	add	%sp, 6*4, %l2
+	st	%l2, [%l1]
   /* See if we were run as a command with the executable file name as an
      extra leading argument.  If so, adjust the contents of the stack.  */
 	sethi	%hi(_dl_skip_args), %g2
@@ -230,7 +264,7 @@ _dl_start_user:
 	st	%i4, [%i1+4]
 	bne	23b
 	 add	%i1, 8, %i1
-  /* Load _dl_main_searchlist to pass to _dl_init_next.  */
+  /* Load searchlist of the main object to pass to _dl_init_next.  */
 3:	sethi	%hi(_dl_main_searchlist), %g1
 	or	%g1, %lo(_dl_main_searchlist), %g1
 	ld	[%l7+%g1], %l1
@@ -242,8 +276,7 @@ _dl_start_user:
 	beq	5f
 	 nop
 	jmpl	%o0, %o7
-	 nop
-	ba,a	4b
+	 sub	%o7, 28, %o7
   /* Clear the startup flag.  */
 5:	sethi	%hi(_dl_starting_up), %g1
 	or	%g1, %lo(_dl_starting_up), %g1
@@ -256,8 +289,8 @@ _dl_start_user:
   /* Jump to the user's entry point and deallocate the extra stack we got.  */
 	jmp	%l0
 	 add	%sp, 6*4, %sp
-	.size   _dl_start_user,.-_dl_start_user
-.previous");
+	.size   _dl_start_user, . - _dl_start_user
+	.previous");
 
 static inline void
 elf_machine_fixup_plt (struct link_map *map, const Elf32_Rela *reloc,
@@ -343,7 +376,10 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
       switch (ELF32_R_TYPE (reloc->r_info))
 	{
 	case R_SPARC_COPY:
-#ifndef RTLD_BOOTSTRAP
+	  if (sym == NULL)
+	    /* This can happen in trace mode if an object could not be
+	       found.  */
+	    break;
 	  if (sym->st_size > refsym->st_size
 	      || (_dl_verbose && sym->st_size < refsym->st_size))
 	    {
@@ -359,7 +395,6 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
 	    }
 	  memcpy (reloc_addr, (void *) value, MIN (sym->st_size,
 						   refsym->st_size));
-#endif
 	  break;
 	case R_SPARC_GLOB_DAT:
 	case R_SPARC_32: