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-rw-r--r--sysdeps/nios2/sysdep.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/sysdeps/nios2/sysdep.h b/sysdeps/nios2/sysdep.h
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+++ b/sysdeps/nios2/sysdep.h
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+/* Assembler macros for Nios II.
+   Copyright (C) 2015 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sysdeps/generic/sysdep.h>
+
+#ifdef	__ASSEMBLER__
+
+/* Syntactic details of assembler.  */
+
+#define ASM_SIZE_DIRECTIVE(name) .size name,.-name
+
+#define ENTRY(name)						 \
+  .globl C_SYMBOL_NAME(name);					 \
+  .type C_SYMBOL_NAME(name),%function;				 \
+  C_LABEL(name)							 \
+  cfi_startproc;						 \
+  CALL_MCOUNT;
+
+#undef  END
+#define END(name)				\
+  cfi_endproc;					\
+  ASM_SIZE_DIRECTIVE(name)
+
+#ifdef PROF
+
+# ifdef __PIC__
+#  define CALL_MCOUNT				\
+  mov r8, ra;					\
+  nextpc r2;					\
+1:						\
+  movhi r3, %hiadj(_gp_got - 1b);		\
+  addi r3, r3, %lo(_gp_got - 1b);		\
+  add r2, r2, r3;				\
+  ldw r2, %call(_mcount)(r2);			\
+  callr r2;					\
+  mov ra, r8;					\
+  ret;
+# else
+#  define CALL_MCOUNT				\
+  mov r8, ra;					\
+  call _mount;					\
+  mov ra, r8;					\
+  ret;
+# endif
+
+#else
+# define CALL_MCOUNT		/* Do nothing.  */
+#endif
+
+#endif	/* __ASSEMBLER__ */