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Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h')
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h80
1 files changed, 80 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h b/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
new file mode 100644
index 0000000000..0e5a8cd218
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
@@ -0,0 +1,80 @@
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Miguel de Icaza <miguel@gnu.ai.mit.edu>, January 1997.
+
+ 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. */
+
+#ifndef _LINUX_SPARC_SYSDEP_H
+#define _LINUX_SPARC_SYSDEP_H 1
+
+#include <sysdeps/unix/sparc/sysdep.h>
+
+#undef SYS_ify
+#define SYS_ify(syscall_name) __NR_##syscall_name
+
+#ifdef ASSEMBLER
+
+#ifdef DONT_LOAD_G1
+# define LOADSYSCALL(x)
+#else
+# define LOADSYSCALL(x) mov __NR_##x, %g1
+#endif
+
+/* Linux/SPARC uses a different trap number */
+#undef PSEUDO
+#undef ENTRY
+
+#define ENTRY(name) \
+ .global C_SYMBOL_NAME(name); \
+ .align 2;\
+ C_LABEL(name);\
+ .type name,@function;
+
+#ifdef PIC
+#define SYSCALL_ERROR_HANDLER \
+ .global C_SYMBOL_NAME(__errno_location);\
+ .type C_SYMBOL_NAME(__errno_location),@function;\
+ save %sp,-96,%sp;\
+ call __errno_location;\
+ nop;\
+ st %i0,[%o0];\
+ restore;\
+ retl;\
+ mov -1,%o0;
+#else
+#define SYSCALL_ERROR_HANDLER \
+ save %sp,-96,%sp; \
+ call __errno_location; \
+ nop; \
+ st %i0,[%o0]; \
+ restore; \
+ retl; \
+ mov -1,%o0;
+#endif /* PIC */
+
+#define PSEUDO(name, syscall_name, args) \
+ .text; \
+ ENTRY(name); \
+ LOADSYSCALL(syscall_name); \
+ ta 0x10; \
+ bcc,a 1f; \
+ nop; \
+ SYSCALL_ERROR_HANDLER; \
+1:;
+
+#endif /* ASSEMBLER */
+
+#endif /* linux/sparc/sysdep.h */