/* Assembler macros for SH. Copyright (C) 1999, 2000, 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. */ #include <sysdeps/generic/sysdep.h> #ifdef __ASSEMBLER__ /* Syntactic details of assembler. */ #ifdef HAVE_ELF #define ALIGNARG(log2) log2 /* For ELF we need the `.type' directive to make shared libs work right. */ #define ASM_TYPE_DIRECTIVE(name,typearg) .type name,@##typearg; #define ASM_SIZE_DIRECTIVE(name) .size name,.-name #ifdef SHARED #define PLTJMP(_x) _x##@PLT #else #define PLTJMP(_x) _x #endif #else #define ALIGNARG(log2) log2 #define ASM_TYPE_DIRECTIVE(name,type) /* Nothing is specified. */ #define ASM_SIZE_DIRECTIVE(name) /* Nothing is specified. */ #define PLTJMP(_x) _x #endif /* Define an entry point visible from C. */ #define ENTRY(name) \ ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \ ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),function) \ .align ALIGNARG(5); \ C_LABEL(name) \ cfi_startproc; \ CALL_MCOUNT #undef END #define END(name) \ cfi_endproc; \ ASM_SIZE_DIRECTIVE(C_SYMBOL_NAME(name)) /* If compiled for profiling, call `mcount' at the start of each function. */ #ifdef PROF #define CALL_MCOUNT \ mov.l 1f,r1; \ sts.l pr,@-r15; \ cfi_adjust_cfa_offset (4); \ cfi_rel_offset (pr, 0); \ mova 2f,r0; \ jmp @r1; \ lds r0,pr; \ .align 2; \ 1: .long mcount; \ 2: lds.l @r15+,pr; \ cfi_adjust_cfa_offset (-4); \ cfi_restore (pr) #else #define CALL_MCOUNT /* Do nothing. */ #endif #ifdef NO_UNDERSCORES /* 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 #endif #endif /* __ASSEMBLER__ */