1 files changed, 101 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/s390/s390-32/sysdep.h b/REORG.TODO/sysdeps/s390/s390-32/sysdep.h
new file mode 100644
index 0000000000..15a4e3e687
--- /dev/null
+++ b/REORG.TODO/sysdeps/s390/s390-32/sysdep.h
@@ -0,0 +1,101 @@
+/* Assembler macros for s390.
+   Copyright (C) 2000-2017 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
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sysdeps/generic/sysdep.h>
+
+#ifdef	__ASSEMBLER__
+
+/* Syntactic details of assembler.  */
+
+/* ELF uses byte-counts for .align, most others use log2 of count of bytes.  */
+#define ALIGNARG(log2) 1<<log2
+#define ASM_SIZE_DIRECTIVE(name) .size name,.-name;
+
+
+/* Define an entry point visible from C. */
+#define	ENTRY(name)							      \
+  .globl C_SYMBOL_NAME(name);						      \
+  .type C_SYMBOL_NAME(name),@function;					      \
+  .align ALIGNARG(2);							      \
+  C_LABEL(name)								      \
+  cfi_startproc;							      \
+  CALL_MCOUNT
+
+#undef	END
+#define END(name)							      \
+  cfi_endproc;								      \
+  ASM_SIZE_DIRECTIVE(name)						      \
+
+/* If compiled for profiling, call `mcount' at the start of each function.  */
+#ifdef	PROF
+#ifdef PIC
+#define CALL_MCOUNT \
+  lr 0,14 ; bras 14,.+12 ; .long _GLOBAL_OFFSET_TABLE_ - . ; .long 0f-. ; \
+  lr 1,14 ; al 1,4(14) ; al 14,0(14) ; l 14,_mcount@GOT(14) ; \
+  basr 14,14 ; lr 14,0 ; .data ; .align 4 ; 0: .long 0 ; .text ;
+#else
+#define CALL_MCOUNT \
+  lr 0,14 ; bras 14,.+12 ; .long _mcount ; .long 0f ; \
+  l 1,4(14) ; l 14,0(14) ; basr 14,14 ; lr 14,0 ; \
+  .data ; .align 4 ; 0: .long 0 ; .text ;
+#endif
+#else
+#define CALL_MCOUNT		/* Do nothing.  */
+#endif
+
+/* Since C identifiers are not normally prefixed with an underscore
+   on this system, the asm identifier `syscall_error' intrudes on the
+   C name space.  Make sure we use an innocuous name.  */
+#define	syscall_error	__syscall_error
+#define mcount		_mcount
+
+#undef PSEUDO
+#define	PSEUDO(name, syscall_name, args) \
+lose: SYSCALL_PIC_SETUP				\
+    basr %r1,0;					\
+0:  al %r1,1f-0b(%r1);				\
+    br %r1;					\
+1:  .long JUMPTARGET(syscall_error) - 0b;	\
+    .globl syscall_error;			\
+    ENTRY (name)				\
+    DO_CALL (syscall_name, args);		\
+    jm lose
+
+#undef	PSEUDO_END
+#define	PSEUDO_END(name)						      \
+  END (name)
+
+#undef JUMPTARGET
+#ifdef PIC
+#define JUMPTARGET(name)	name##@PLT
+#define SYSCALL_PIC_SETUP             \
+    bras  %r12,1f                     \
+0:  .long _GLOBAL_OFFSET_TABLE_-0b    \
+1:  al    %r12,0(%r12)
+#else
+#define JUMPTARGET(name)   	name
+#define SYSCALL_PIC_SETUP	/* Nothing.  */
+#endif
+
+/* Local label name for asm code. */
+#ifndef L
+#define L(name)		.L##name
+#endif
+
+#endif	/* __ASSEMBLER__ */