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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__ */