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Diffstat (limited to 'libc/sysdeps/linux/sh/sysdep.h')
-rw-r--r--libc/sysdeps/linux/sh/sysdep.h97
1 files changed, 97 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/sh/sysdep.h b/libc/sysdeps/linux/sh/sysdep.h
new file mode 100644
index 000000000..acaea48e4
--- /dev/null
+++ b/libc/sysdeps/linux/sh/sysdep.h
@@ -0,0 +1,97 @@
+/* Assembler macros for SH.
+ Copyright (C) 1999, 2000 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+
+
+/* Define a macro we can use to construct the asm name for a C symbol. */
+#ifdef NO_UNDERSCORES
+#ifdef __STDC__
+#define C_LABEL(name) name##:
+#else
+#define C_LABEL(name) name/**/:
+#endif
+#else
+#ifdef __STDC__
+#define C_LABEL(name) _##name##:
+#else
+#define C_LABEL(name) _/**/name/**/:
+#endif
+#endif
+
+
+/* Mark the end of function named SYM. This is used on some platforms
+ to generate correct debugging information. */
+#ifndef END
+#define END(sym)
+#endif
+#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 C_SYMBOL_NAME(name) 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) \
+ CALL_MCOUNT
+
+#undef END
+#define END(name) \
+ ASM_SIZE_DIRECTIVE(C_SYMBOL_NAME(name))
+
+/* If compiled for profiling, call `mcount' at the start of each function. */
+#ifdef PROF
+#define CALL_MCOUNT /* NOTYET */
+#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__ */