Update.

1998-03-03 17:55  Ulrich Drepper  <drepper@cygnus.com>

	* elf/sprof.c: Cleanup a bit.

1998-03-03 08:01  H.J. Lu  <hjl@gnu.org>

	* sysdeps/generic/sysdep.h (L): New. Define.

	* sysdeps/unix/sysv/linux/i386/sysdep.h (L): New. Define.

	* sysdeps/i386/i586/addmul_1.S: Fix a typo.

	* sysdeps/unix/sysv/linux/i386/clone.S: Follow Intel's advice
	to have only one exit point for functions.
	* sysdeps/unix/sysv/linux/i386/mmap.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/s_pread64.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/s_pwrite64.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/socket.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/syscall.S: Likewise.

1998-03-03  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/unix/sysv/linux/sigaction.c (__sigaction): Safe and
	reset errno so that errno isn't set to ENOSYS in the first call.
	* sysdeps/unix/sysv/linux/i386/sigaction.c (__sigaction): Likewise.
	* sysdeps/unix/sysv/linux/sigsuspend.c (__sigsuspend): Likewise.
	* sysdeps/unix/sysv/linux/sigprocmask.c (__sigprocmask): Likewise.
	* sysdeps/unix/sysv/linux/sigpending.c (sigpending): Likewise.

14 files changed, 34 insertions, 10 deletions

diff --git a/sysdeps/generic/sysdep.h b/sysdeps/generic/sysdep.h
index 014cd1c745..2ba01f4240 100644
--- a/sysdeps/generic/sysdep.h
+++ b/sysdeps/generic/sysdep.h
@@ -1,5 +1,5 @@
 /* Generic asm macros used on many machines.
-   Copyright (C) 1991, 92, 93, 96 Free Software Foundation, Inc.
+   Copyright (C) 1991, 92, 93, 96, 98 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -41,3 +41,8 @@
 #ifndef END
 #define END(sym)
 #endif
+
+/* Local label name for asm code. */
+#ifndef L
+#define L(name)		name
+#endif
diff --git a/sysdeps/i386/i586/addmul_1.S b/sysdeps/i386/i586/addmul_1.S
index b97799f387..76bf25f817 100644
--- a/sysdeps/i386/i586/addmul_1.S
+++ b/sysdeps/i386/i586/addmul_1.S
@@ -35,7 +35,7 @@
 #define s2_limb ebp
 
 	.text
-ENRTY(__mpn_addmul_1)
+ENTRY(__mpn_addmul_1)
 
 	INSN1(push,l	,R(edi))
 	INSN1(push,l	,R(esi))
diff --git a/sysdeps/unix/sysv/linux/i386/clone.S b/sysdeps/unix/sysv/linux/i386/clone.S
index 0aec95e219..88d0e27549 100644
--- a/sysdeps/unix/sysv/linux/i386/clone.S
+++ b/sysdeps/unix/sysv/linux/i386/clone.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Richard Henderson (rth@tamu.edu)
 
@@ -59,6 +59,7 @@ ENTRY(__clone)
 	jl	syscall_error
 	jz	thread_start
 
+L(pseudo_end):
 	ret
 
 thread_start:
diff --git a/sysdeps/unix/sysv/linux/i386/mmap.S b/sysdeps/unix/sysv/linux/i386/mmap.S
index 30bbcdf80a..5c2449e961 100644
--- a/sysdeps/unix/sysv/linux/i386/mmap.S
+++ b/sysdeps/unix/sysv/linux/i386/mmap.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -40,6 +40,7 @@ ENTRY (__mmap)
 	ja syscall_error
 
 	/* Successful; return the syscall's value.  */
+L(pseudo_end):
 	ret
 
 PSEUDO_END (__mmap)
diff --git a/sysdeps/unix/sysv/linux/i386/s_pread64.S b/sysdeps/unix/sysv/linux/i386/s_pread64.S
index 9e14aa815f..7f8816b3ba 100644
--- a/sysdeps/unix/sysv/linux/i386/s_pread64.S
+++ b/sysdeps/unix/sysv/linux/i386/s_pread64.S
@@ -1,5 +1,5 @@
 /* pread64 syscall for Linux/ix86.
-   Copyright (C) 1997 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -48,7 +48,8 @@ ENTRY (__syscall_pread64)
 	POPARGS_5		/* Restore register contents.  */
 	cmpl	$-4095, %eax	/* Check %eax for error.  */
 	jae	syscall_error	/* Jump to error handler if error.  */
-	ret			/* Return to caller.  */
 #endif
+	ret			/* Return to caller.  */
+L(pseudo_end):
 
 PSEUDO_END (__syscall_pread64)
diff --git a/sysdeps/unix/sysv/linux/i386/s_pwrite64.S b/sysdeps/unix/sysv/linux/i386/s_pwrite64.S
index a21fe2f99f..7b72d12f0b 100644
--- a/sysdeps/unix/sysv/linux/i386/s_pwrite64.S
+++ b/sysdeps/unix/sysv/linux/i386/s_pwrite64.S
@@ -1,5 +1,5 @@
 /* pwrite64 syscall for Linux/ix86.
-   Copyright (C) 1997 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -48,7 +48,8 @@ ENTRY (__syscall_pwrite64)
 	POPARGS_5		/* Restore register contents.  */
 	cmpl	$-4095, %eax	/* Check %eax for error.  */
 	jae	syscall_error	/* Jump to error handler if error.  */
-	ret			/* Return to caller.  */
 #endif
+L(pseudo_end):
+	ret			/* Return to caller.  */
 
 PSEUDO_END (__syscall_pwrite64)
diff --git a/sysdeps/unix/sysv/linux/i386/sigaction.c b/sysdeps/unix/sysv/linux/i386/sigaction.c
index a6d2b63634..0110a80a8a 100644
--- a/sysdeps/unix/sysv/linux/i386/sigaction.c
+++ b/sysdeps/unix/sysv/linux/i386/sigaction.c
@@ -48,6 +48,7 @@ __sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
   if (!__libc_missing_rt_sigs)
     {
       struct kernel_sigaction kact, koact;
+      int saved_errno = errno;
 
       if (act)
 	{
@@ -76,6 +77,7 @@ __sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
 	  return result;
 	}
 
+      __set_errno (saved_errno);
       __libc_missing_rt_sigs = 1;
     }
 
diff --git a/sysdeps/unix/sysv/linux/i386/socket.S b/sysdeps/unix/sysv/linux/i386/socket.S
index f649470122..4326676bc2 100644
--- a/sysdeps/unix/sysv/linux/i386/socket.S
+++ b/sysdeps/unix/sysv/linux/i386/socket.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -58,6 +58,7 @@ ENTRY (__socket)
 	jae syscall_error
 
 	/* Successful; return the syscall's value.  */
+L(pseudo_end):
 	ret
 
 PSEUDO_END (__socket)
diff --git a/sysdeps/unix/sysv/linux/i386/syscall.S b/sysdeps/unix/sysv/linux/i386/syscall.S
index 6a020e0d0e..349408de30 100644
--- a/sysdeps/unix/sysv/linux/i386/syscall.S
+++ b/sysdeps/unix/sysv/linux/i386/syscall.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,6 +31,7 @@ ENTRY (syscall)
 	POPARGS_5		/* Restore register contents.  */
 	cmpl $-4095, %eax	/* Check %eax for error.  */
 	jae syscall_error	/* Jump to error handler if error.  */
+L(pseudo_end):
 	ret			/* Return to caller.  */
 
 PSEUDO_END (syscall)
diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h
index 7455e8d321..4ebcc6c852 100644
--- a/sysdeps/unix/sysv/linux/i386/sysdep.h
+++ b/sysdeps/unix/sysv/linux/i386/sysdep.h
@@ -30,6 +30,9 @@
 #undef SYS_ify
 #define SYS_ify(syscall_name)	__NR_##syscall_name
 
+/* ELF-like local names start with `.L'.  */
+#undef L
+#define L(name)	.L##name
 
 #ifdef ASSEMBLER
 
diff --git a/sysdeps/unix/sysv/linux/sigaction.c b/sysdeps/unix/sysv/linux/sigaction.c
index 49cb3b6a89..773bfa067f 100644
--- a/sysdeps/unix/sysv/linux/sigaction.c
+++ b/sysdeps/unix/sysv/linux/sigaction.c
@@ -50,6 +50,7 @@ __sigaction (sig, act, oact)
   if (!__libc_missing_rt_sigs)
     {
       struct kernel_sigaction kact, koact;
+      int saved_errno = errno;
 
       if (act)
 	{
@@ -80,6 +81,7 @@ __sigaction (sig, act, oact)
 	  return result;
 	}
 
+      __set_errno (saved_errno);
       __libc_missing_rt_sigs = 1;
     }
 
diff --git a/sysdeps/unix/sysv/linux/sigpending.c b/sysdeps/unix/sysv/linux/sigpending.c
index 4d5514a1bc..1776fdd65f 100644
--- a/sysdeps/unix/sysv/linux/sigpending.c
+++ b/sysdeps/unix/sysv/linux/sigpending.c
@@ -40,11 +40,13 @@ sigpending (set)
     {
       /* XXX The size argument hopefully will have to be changed to the
 	 real size of the user-level sigset_t.  */
+      int saved_errno = errno;
       int result = __syscall_rt_sigpending (set, _NSIG / 8);
 
       if (result >= 0 || errno != ENOSYS)
 	return result;
 
+      __set_errno (saved_errno);
       __libc_missing_rt_sigs = 1;
     }
 
diff --git a/sysdeps/unix/sysv/linux/sigprocmask.c b/sysdeps/unix/sysv/linux/sigprocmask.c
index 476f46a8e6..064179e2b8 100644
--- a/sysdeps/unix/sysv/linux/sigprocmask.c
+++ b/sysdeps/unix/sysv/linux/sigprocmask.c
@@ -41,11 +41,13 @@ __sigprocmask (how, set, oset)
     {
       /* XXX The size argument hopefully will have to be changed to the
 	 real size of the user-level sigset_t.  */
+      int saved_errno = errno;
       int result = __syscall_rt_sigprocmask (how, set, oset, _NSIG / 8);
 
       if (result >= 0 || errno != ENOSYS)
 	return result;
 
+      __set_errno (saved_errno);
       __libc_missing_rt_sigs = 1;
     }
 
diff --git a/sysdeps/unix/sysv/linux/sigsuspend.c b/sysdeps/unix/sysv/linux/sigsuspend.c
index 197015401d..a5d2eb0ad7 100644
--- a/sysdeps/unix/sysv/linux/sigsuspend.c
+++ b/sysdeps/unix/sysv/linux/sigsuspend.c
@@ -40,11 +40,13 @@ __sigsuspend (set)
     {
       /* XXX The size argument hopefully will have to be changed to the
 	 real size of the user-level sigset_t.  */
+      int saved_errno = errno;
       int result = __syscall_rt_sigsuspend (set, _NSIG / 8);
 
       if (result >= 0 || errno != ENOSYS)
 	return result;
 
+      __set_errno (saved_errno);
       __libc_missing_rt_sigs = 1;
     }