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66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
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/* Assembler macros for Nios II.
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Copyright (C) 2015 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <sysdeps/generic/sysdep.h>
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#ifdef __ASSEMBLER__
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/* Syntactic details of assembler. */
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#define ASM_SIZE_DIRECTIVE(name) .size name,.-name
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#define ENTRY(name) \
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.globl C_SYMBOL_NAME(name); \
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.type C_SYMBOL_NAME(name),%function; \
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C_LABEL(name) \
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cfi_startproc; \
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CALL_MCOUNT;
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#undef END
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#define END(name) \
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cfi_endproc; \
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ASM_SIZE_DIRECTIVE(name)
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#ifdef PROF
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# ifdef __PIC__
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# define CALL_MCOUNT \
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mov r8, ra; \
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nextpc r2; \
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1: \
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movhi r3, %hiadj(_gp_got - 1b); \
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addi r3, r3, %lo(_gp_got - 1b); \
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add r2, r2, r3; \
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ldw r2, %call(_mcount)(r2); \
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callr r2; \
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mov ra, r8; \
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ret;
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# else
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# define CALL_MCOUNT \
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mov r8, ra; \
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call _mount; \
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mov ra, r8; \
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ret;
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# endif
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#else
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# define CALL_MCOUNT /* Do nothing. */
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#endif
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#endif /* __ASSEMBLER__ */
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