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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /sysdeps/s390/s390-32
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
downloadglibc-a334319f6530564d22e775935d9c91663623a1b4.tar.gz
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'sysdeps/s390/s390-32')
-rw-r--r--sysdeps/s390/s390-32/Dist1
-rw-r--r--sysdeps/s390/s390-32/__longjmp.c36
-rw-r--r--sysdeps/s390/s390-32/backtrace.c5
-rw-r--r--sysdeps/s390/s390-32/bits/wordsize.h11
-rw-r--r--sysdeps/s390/s390-32/dl-machine.h151
-rw-r--r--sysdeps/s390/s390-32/dl-trampoline.S134
-rw-r--r--sysdeps/s390/s390-32/elf/setjmp.S17
-rw-r--r--sysdeps/s390/s390-32/elf/start.S9
-rw-r--r--sysdeps/s390/s390-32/s390-mcount.S2
-rw-r--r--sysdeps/s390/s390-32/setjmp.S17
10 files changed, 156 insertions, 227 deletions
diff --git a/sysdeps/s390/s390-32/Dist b/sysdeps/s390/s390-32/Dist
new file mode 100644
index 0000000000..1cd482830a
--- /dev/null
+++ b/sysdeps/s390/s390-32/Dist
@@ -0,0 +1 @@
+s390-mcount.S
diff --git a/sysdeps/s390/s390-32/__longjmp.c b/sysdeps/s390/s390-32/__longjmp.c
index c47ebbc52a..c1b977cd49 100644
--- a/sysdeps/s390/s390-32/__longjmp.c
+++ b/sysdeps/s390/s390-32/__longjmp.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000, 2001, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
 
@@ -29,32 +29,14 @@
 void
 __longjmp (__jmp_buf env, int val)
 {
-  register int r2 __asm ("%r2") = val == 0 ? 1 : val;
-#ifdef PTR_DEMANGLE
-  register uintptr_t r3 __asm ("%r3") = THREAD_GET_POINTER_GUARD ();
-  register void *r1 __asm ("%r1") = (void *) env;
-#endif
-  /* Restore registers and jump back.  */
-  asm volatile ("ld   %%f6,48(%1)\n\t"
-		"ld   %%f4,40(%1)\n\t"
-#ifdef PTR_DEMANGLE
-		"lm   %%r6,%%r13,0(%1)\n\t"
-		"lm   %%r4,%%r5,32(%1)\n\t"
-		"xr   %%r4,%2\n\t"
-		"xr   %%r5,%2\n\t"
-		"lr   %%r15,%%r5\n\t"
-		"br   %%r4"
-#else
-		"lm   %%r6,%%r15,0(%1)\n\t"
-		"br   %%r14"
-#endif
-		: : "r" (r2),
-#ifdef PTR_DEMANGLE
-		    "r" (r1), "r" (r3)
-#else
-		    "a" (env)
-#endif
-		);
+   /* Restore registers and jump back.  */
+   asm volatile ("lr   %%r2,%0\n\t"	  /* PUT val in grp 2.  */
+		 "ld   %%f6,48(%1)\n\t"
+		 "ld   %%f4,40(%1)\n\t"
+		 "lm   %%r6,%%r15,0(%1)\n\t"
+		 "br   %%r14"
+		 : : "r" (val == 0 ? 1 : val),
+		 "a" (env) : "2" );
 
   /* Avoid `volatile function does return' warnings.  */
   for (;;);
diff --git a/sysdeps/s390/s390-32/backtrace.c b/sysdeps/s390/s390-32/backtrace.c
index 6adc3bc3d1..7a632572b5 100644
--- a/sysdeps/s390/s390-32/backtrace.c
+++ b/sysdeps/s390/s390-32/backtrace.c
@@ -1,6 +1,6 @@
 /* Return backtrace of current program state.
-   Copyright (C) 2000, 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>.
+   Copyright (C) 2000, 2001, 2003, 2004 Free Software Foundation, Inc.
+   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -142,4 +142,3 @@ __backtrace (void **array, int size)
 }
 
 weak_alias (__backtrace, backtrace)
-libc_hidden_def (__backtrace)
diff --git a/sysdeps/s390/s390-32/bits/wordsize.h b/sysdeps/s390/s390-32/bits/wordsize.h
index b41661217f..4f50d8586c 100644
--- a/sysdeps/s390/s390-32/bits/wordsize.h
+++ b/sysdeps/s390/s390-32/bits/wordsize.h
@@ -5,14 +5,3 @@
 #else
 # define __WORDSIZE	32
 #endif
-
-#if !defined __NO_LONG_DOUBLE_MATH && !defined __LONG_DOUBLE_MATH_OPTIONAL
-
-/* Signal that we didn't used to have a `long double'. The changes all
-   the `long double' function variants to be redirects to the double
-   functions.  */
-# define __LONG_DOUBLE_MATH_OPTIONAL   1
-# ifndef __LONG_DOUBLE_128__
-#  define __NO_LONG_DOUBLE_MATH        1
-# endif
-#endif
diff --git a/sysdeps/s390/s390-32/dl-machine.h b/sysdeps/s390/s390-32/dl-machine.h
index 8bbf858fbf..52922a813b 100644
--- a/sysdeps/s390/s390-32/dl-machine.h
+++ b/sysdeps/s390/s390-32/dl-machine.h
@@ -1,6 +1,5 @@
 /* Machine-dependent ELF dynamic relocation inline functions.  S390 Version.
-   Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005
-   Free Software Foundation, Inc.
+   Copyright (C) 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
    Contributed by Carl Pederson & Martin Schwidefsky.
    This file is part of the GNU C Library.
 
@@ -22,6 +21,7 @@
 #ifndef dl_machine_h
 #define dl_machine_h
 
+
 #define ELF_MACHINE_NAME "s390"
 
 #include <sys/param.h>
@@ -112,8 +112,7 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
 	{
 	  got[2] = (Elf32_Addr) &_dl_runtime_profile;
 
-	  if (GLRO(dl_profile) != NULL
-	      && _dl_name_match_p (GLRO(dl_profile), l))
+	  if (_dl_name_match_p (GLRO(dl_profile), l))
 	    /* This is the object we are looking for.  Say that we really
 	       want profiling and the timers are started.  */
 	    GL(dl_profile_map) = l;
@@ -127,6 +126,124 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
   return lazy;
 }
 
+/* This code is used in dl-runtime.c to call the `fixup' function
+   and then redirect to the address it returns.  */
+
+/* s390:
+   Arguments are in register.
+   r2 - r7 holds the original parameters for the function call, fixup
+   and trampoline code use r0-r5 and r14-15. For the correct function
+   call r2-r5 and r14-15 must be restored.
+   Arguments from the PLT are stored at 24(r15) and 28(r15)
+   and must be moved to r2 and r3 for the fixup call (see elf32-s390.c
+   in the binutils for the PLT code).
+   Fixup function address in r2.
+*/
+#ifndef PROF
+#define ELF_MACHINE_RUNTIME_TRAMPOLINE \
+  asm ( "\
+    .text\n\
+    .globl _dl_runtime_resolve\n\
+    .type _dl_runtime_resolve, @function\n\
+    .align 16\n\
+    " CFI_STARTPROC "\n\
+_dl_runtime_resolve:\n\
+    # save registers\n\
+    stm    2,5,32(15)\n\
+    st     14,48(15)\n\
+    lr     0,15\n\
+    ahi    15,-96\n\
+    " CFI_ADJUST_CFA_OFFSET(96)"\n\
+    st     0,0(15)\n\
+    # load args saved by PLT\n\
+    lm     2,3,120(15)\n\
+    basr   1,0\n\
+0:  ahi    1,1f-0b\n\
+    l      14,0(1)\n\
+    bas    14,0(14,1)   # call fixup\n\
+    lr     1,2          # function addr returned in r2\n\
+    # restore registers\n\
+    ahi    15,96\n\
+    " CFI_ADJUST_CFA_OFFSET(-96)" \n\
+    l      14,48(15)\n\
+    lm     2,5,32(15)\n\
+    br     1\n\
+1:  .long  fixup-1b\n\
+    " CFI_ENDPROC "\n\
+    .size _dl_runtime_resolve, .-_dl_runtime_resolve\n\
+\n\
+    .globl _dl_runtime_profile\n\
+    .type _dl_runtime_profile, @function\n\
+    .align 16\n\
+    " CFI_STARTPROC "\n\
+_dl_runtime_profile:\n\
+    # save registers\n\
+    stm    2,5,32(15)\n\
+    st     14,48(15)\n\
+    lr     0,15\n\
+    ahi    15,-96\n\
+    " CFI_ADJUST_CFA_OFFSET(96)"\n\
+    st     0,0(15)\n\
+    # load args saved by PLT\n\
+    lm     2,3,120(15)\n\
+    # load return address as third parameter\n\
+    lr     4,14\n\
+    basr   1,0\n\
+0:  ahi    1,1f-0b\n\
+    l      14,0(1)\n\
+    bas    14,0(14,1)   # call fixup\n\
+    lr     1,2          # function addr returned in r2\n\
+    # restore registers\n\
+    ahi    15,96\n\
+    " CFI_ADJUST_CFA_OFFSET(-96)" \n\
+    l      14,48(15)\n\
+    lm     2,5,32(15)\n\
+    br     1\n\
+1:  .long  profile_fixup-1b\n\
+    " CFI_ENDPROC "\n\
+    .size _dl_runtime_profile, .-_dl_runtime_profile\n\
+");
+#else
+#define ELF_MACHINE_RUNTIME_TRAMPOLINE \
+  asm ( "\
+    .text\n\
+    .globl _dl_runtime_resolve\n\
+    .globl _dl_runtime_profile\n\
+    .type _dl_runtime_resolve, @function\n\
+    .type _dl_runtime_profile, @function\n\
+    .align 16\n\
+    " CFI_STARTPROC "\n\
+_dl_runtime_resolve:\n\
+_dl_runtime_profile:\n\
+    # save registers\n\
+    stm    2,5,32(15)\n\
+    st     14,48(15)\n\
+    lr     0,15\n\
+    ahi    15,-96\n\
+    " CFI_ADJUST_CFA_OFFSET(96)"\n\
+    st     0,0(15)\n\
+    # load args saved by PLT\n\
+    lm     2,3,120(15)\n\
+    # load return address as third parameter\n\
+    lr     4,14\n\
+    basr   1,0\n\
+0:  ahi    1,1f-0b\n\
+    l      14,0(1)\n\
+    bas    14,0(14,1)   # call fixup\n\
+    lr     1,2          # function addr returned in r2\n\
+    # restore registers\n\
+    ahi    15,96\n\
+    " CFI_ADJUST_CFA_OFFSET(-96)" \n\
+    l      14,48(15)\n\
+    lm     2,5,32(15)\n\
+    br     1\n\
+1:  .long  fixup-1b\n\
+    " CFI_ENDPROC "\n\
+    .size _dl_runtime_resolve, .-_dl_runtime_resolve\n\
+    .size _dl_runtime_profile, .-_dl_runtime_profile\n\
+");
+#endif
+
 /* Mask identifying addresses reserved for the user program,
    where the dynamic linker should not map anything.  */
 #define ELF_MACHINE_USER_ADDRESS_MASK   0xf8000000UL
@@ -258,20 +375,15 @@ elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc,
   return value;
 }
 
-/* Names of the architecture-specific auditing callback functions.  */
-#define ARCH_LA_PLTENTER s390_32_gnu_pltenter
-#define ARCH_LA_PLTEXIT s390_32_gnu_pltexit
-
 #endif /* !dl_machine_h */
 
 
-#ifdef RESOLVE_MAP
+#ifdef RESOLVE
 
 /* Perform the relocation specified by RELOC and SYM (which is fully resolved).
    MAP is the object containing the reloc.  */
 
-auto inline void
-__attribute__ ((always_inline))
+static inline void
 elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
 		  const Elf32_Sym *sym, const struct r_found_version *version,
 		  void *const reloc_addr_arg)
@@ -305,8 +417,17 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
 #ifndef RESOLVE_CONFLICT_FIND_MAP
       const Elf32_Sym *const refsym = sym;
 #endif
+#if defined USE_TLS && !defined RTLD_BOOTSTRAP
       struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
       Elf32_Addr value = sym == NULL ? 0 : sym_map->l_addr + sym->st_value;
+#else
+      Elf32_Addr value = RESOLVE (&sym, version, r_type);
+
+# ifndef RTLD_BOOTSTRAP
+      if (sym)
+# endif
+	value += sym->st_value;
+#endif /* use TLS and !RTLD_BOOTSTRAP */
 
       switch (r_type)
 	{
@@ -418,8 +539,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
     }
 }
 
-auto inline void
-__attribute__ ((always_inline))
+static inline void
 elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
 			   void *const reloc_addr_arg)
 {
@@ -427,8 +547,7 @@ elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
   *reloc_addr = l_addr + reloc->r_addend;
 }
 
-auto inline void
-__attribute__ ((always_inline))
+static inline void
 elf_machine_lazy_rel (struct link_map *map,
 		      Elf32_Addr l_addr, const Elf32_Rela *reloc)
 {
@@ -448,4 +567,4 @@ elf_machine_lazy_rel (struct link_map *map,
     _dl_reloc_bad_type (map, r_type, 1);
 }
 
-#endif /* RESOLVE_MAP */
+#endif /* RESOLVE */
diff --git a/sysdeps/s390/s390-32/dl-trampoline.S b/sysdeps/s390/s390-32/dl-trampoline.S
deleted file mode 100644
index fbbbc189db..0000000000
--- a/sysdeps/s390/s390-32/dl-trampoline.S
+++ /dev/null
@@ -1,134 +0,0 @@
-/* PLT trampolines.  s390 version.
-   Copyright (C) 2005 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
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-/* This code is used in dl-runtime.c to call the `fixup' function
-   and then redirect to the address it returns.  */
-
-/* The PLT stubs will call _dl_runtime_resolve/_dl_runtime_profile
- * with the following linkage:
- *   r2 - r6 : parameter registers
- *   f0, f2 : floating point parameter registers
- *   24(r15), 28(r15) : PLT arguments PLT1, PLT2
- *   96(r15) : additional stack parameters
- * The normal clobber rules for function calls apply:
- *   r0 - r5 : call clobbered
- *   r6 - r13 :	 call saved
- *   r14 : return address (call clobbered)
- *   r15 : stack pointer (call saved)
- *   f4, f6 : call saved
- *   f0 - f3, f5, f7 - f15 : call clobbered
- */
-
-#include <sysdep.h>
-
-	.text
-	.globl _dl_runtime_resolve
-	.type _dl_runtime_resolve, @function
-	cfi_startproc
-	.align 16
-_dl_runtime_resolve:
-	stm    %r2,%r5,32(%r15)		# save registers
-	st     %r14,8(%r15)
-	lr     %r0,%r15			# create stack frame
-	ahi    %r15,-96
-	cfi_adjust_cfa_offset (96)
-	st     0,0(%r15)
-	lm     %r2,%r3,120(%r15)	# load args saved by PLT
-	basr   %r1,0
-0:	l      %r14,1f-0b(%r1)
-	bas    %r14,0(%r14,%r1)		# call resolver
-	lr     %r1,%r2			# function addr returned in r2
-	ahi    %r15,96			# remove stack frame
-	cfi_adjust_cfa_offset (-96)
-	l      %r14,8(15)		# restore registers
-	lm     %r2,%r5,32(%r15)
-	br     %r1
-1:	.long  _dl_fixup - 0b
-	cfi_endproc
-	.size _dl_runtime_resolve, .-_dl_runtime_resolve
-
-
-#ifndef PROF
-	.globl _dl_runtime_profile
-	.type _dl_runtime_profile, @function
-	cfi_startproc
-	.align 16
-_dl_runtime_profile:
-	stm    %r2,%r6,32(%r15)		# save registers
-	std    %f0,56(%r15)
-	std    %f2,64(%r15)
-	st     %r6,8(%r15)
-	st     %r12,12(%r15)
-	st     %r14,16(%r15)
-	lr     %r12,%r15		# create stack frame
-	cfi_def_cfa_register (12)
-	ahi    %r15,-96
-	st     %r12,0(%r15)
-	lm     %r2,%r3,24(%r12)		# load arguments saved by PLT
-	lr     %r4,%r14			# return address as third parameter
-	basr   %r1,0
-0:	l      %r14,6f-0b(%r1)
-	la     %r5,32(%r12)		# pointer to struct La_s390_32_regs
-	la     %r6,20(%r12)		# long int * framesize
-	bas    %r14,0(%r14,%r1)		# call resolver
-	lr     %r1,%r2			# function addr returned in r2
-	icm    %r0,15,20(%r12)		# load & test framesize
-	jnm    2f
-	lm     %r2,%r6,32(%r12)
-	ld     %f0,56(%r12)
-	ld     %f2,64(%r12)
-	basr   %r14,%r1			# call resolved function
-1:	lr     %r15,%r12		# remove stack frame
-	cfi_def_cfa_register (15)
-	l      %r14,16(%r15)		# restore registers
-	l      %r12,12(%r15)
-	l      %r6,8(%r15)
-	br     %r14
-	cfi_def_cfa_register (12)
-2:	jz     4f			# framesize == 0 ?
-	ahi    %r0,7			# align framesize to 8
-	lhi    %r2,-8
-	nr     %r0,%r2
-	slr    %r15,%r0			# make room for framesize bytes
-	st     %r12,0(%r15)
-	la     %r2,96(%r15)
-	la     %r3,96(%r12)
-	srl    %r0,3
-3:	mvc    0(8,%r2),0(%r3)		# copy additional parameters
-	la     %r2,8(%r2)
-	la     %r3,8(%r3)
-	brct   %r0,3b
-4:	lm     %r2,%r6,32(%r12)		# load register parameters
-	ld     %f0,56(%r12)
-	ld     %f2,64(%r12)
-	basr   %r14,%r1			# call resolved function
-	stm    %r2,%r3,72(%r12)
-	std    %f0,80(%r12)
-	lm     %r2,%r3,24(%r12)		# load arguments saved by PLT
-	basr   %r1,0
-5:	l      %r14,7f-5b(%r1)
-	la     %r4,32(%r12)		# pointer to struct La_s390_32_regs
-	la     %r5,72(%r12)		# pointer to struct La_s390_32_retval
-	basr   %r14,%r1			# call _dl_call_pltexit
-	j      1b
-6:	.long  _dl_profile_fixup - 0b
-7:	.long  _dl_call_pltexit - 5b
-	cfi_endproc
-	.size _dl_runtime_profile, .-_dl_runtime_profile
-#endif
diff --git a/sysdeps/s390/s390-32/elf/setjmp.S b/sysdeps/s390/s390-32/elf/setjmp.S
index ed28008a56..0d1fa8e41d 100644
--- a/sysdeps/s390/s390-32/elf/setjmp.S
+++ b/sysdeps/s390/s390-32/elf/setjmp.S
@@ -1,5 +1,5 @@
 /* setjmp for s390, ELF version.
-   Copyright (C) 2000, 2002, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2002 Free Software Foundation, Inc.
    Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
@@ -46,23 +46,10 @@ END (__setjmp)
 
 ENTRY(__sigsetjmp)
 .Linternal_sigsetjmp:
-#ifdef PTR_MANGLE
-	stm    %r6,%r13,0(%r2)      /* store registers in jmp_buf */
-	lr     %r4,%r14
-	lr     %r5,%r15
-	PTR_MANGLE (%r4, %r1)
-	PTR_MANGLE2 (%r5, %r1)
-	stm    %r4,%r5,32(%r2)
-#else
 	stm    %r6,%r15,0(%r2)      /* store registers in jmp_buf */
-#endif
 	std    %f4,40(%r2)
 	std    %f6,48(%r2)
-#if defined NOT_IN_libc && defined IS_IN_rtld
-	/* In ld.so we never save the signal mask.  */
-	lhi    %r2,0
-	br     %r14
-#elif defined PIC
+#ifdef PIC
 	/* We cannot use the PLT, because it requires that %r12 be set, but
 	   we can't save and restore our caller's value.  Instead, we do an
 	   indirect jump through the GOT. */
diff --git a/sysdeps/s390/s390-32/elf/start.S b/sysdeps/s390/s390-32/elf/start.S
index f7290106ce..a09acb5d89 100644
--- a/sysdeps/s390/s390-32/elf/start.S
+++ b/sysdeps/s390/s390-32/elf/start.S
@@ -1,6 +1,5 @@
 /* Startup code compliant to the ELF s390 ABI.
-   Copyright (C) 2000, 2001, 2002, 2003, 2004, 2006
-   Free Software Foundation, Inc.
+   Copyright (C) 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
    Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
@@ -89,9 +88,9 @@ _start:
 	l       %r12,.L5-.Llit(%r13)    # load .got pointer
 	la	%r6,0(%r13,%r6)
 	la	%r5,0(%r13,%r5)
-	la	%r12,0(%r13,%r12)
-	l	%r2,0(%r12,%r2)
+	la	%r2,0(%r13,%r2)
 	la	%r1,0(%r13,%r1)
+	la	%r12,0(%r13,%r12)
 #endif
 
 	/* ok, now branch to the libc main routine */
@@ -109,7 +108,7 @@ _start:
 #else
 .L1:    .long  __libc_csu_init-.Llit
 .L2:    .long  __libc_csu_fini-.Llit
-.L3:    .long  main@GOT
+.L3:    .long  main-.Llit
 .L4:    .long  __libc_start_main@plt-.Llit
 .L5:    .long  _GLOBAL_OFFSET_TABLE_-.Llit
 #endif
diff --git a/sysdeps/s390/s390-32/s390-mcount.S b/sysdeps/s390/s390-32/s390-mcount.S
index 6d11f9bbdb..8ecdd0edae 100644
--- a/sysdeps/s390/s390-32/s390-mcount.S
+++ b/sysdeps/s390/s390-32/s390-mcount.S
@@ -81,4 +81,4 @@ C_LABEL(_mcount)
 	ASM_SIZE_DIRECTIVE(C_SYMBOL_NAME(_mcount))
 
 #undef mcount
-weak_alias (_mcount, mcount)
+weak_alias(_mcount, mcount)
diff --git a/sysdeps/s390/s390-32/setjmp.S b/sysdeps/s390/s390-32/setjmp.S
index b943085e93..dc4862b2a6 100644
--- a/sysdeps/s390/s390-32/setjmp.S
+++ b/sysdeps/s390/s390-32/setjmp.S
@@ -1,5 +1,5 @@
 /*
-   Copyright (C) 2000, 2001, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2001 Free Software Foundation, Inc.
    Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
@@ -29,23 +29,10 @@
 /* R2 = pointer to jmp_buf, R3 = savemask */
 
 ENTRY(__sigsetjmp)
-#ifdef PTR_MANGLE
-	stm    %r6,%r13,0(%r2)      /* store registers in jmp_buf */
-	lr     %r4,%r14
-	lr     %r5,%r15
-	PTR_MANGLE (%r4, %r1)
-	PTR_MANGLE2 (%r5, %r1)
-	stm    %r4,%r5,32(%r2)
-#else
 	stm    %r6,%r15,0(%r2)      /* store registers in jmp_buf */
-#endif
 	std    %f4,40(%r2)
 	std    %f6,48(%r2)
-#if defined NOT_IN_libc && defined IS_IN_rtld
-	/* In ld.so we never save the signal mask.  */
-	lhi    %r2,0
-	br     %r14
-#elif defined PIC
+#ifdef PIC
 	/* We cannot use the PLT, because it requires that %r12 be set, but
 	   we can't save and restore our caller's value.  Instead, we do an
 	   indirect jump through the GOT. */