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Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h')
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h138
1 files changed, 138 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h b/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
new file mode 100644
index 0000000000..c880e4a2dc
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
@@ -0,0 +1,138 @@
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson <richard@gnu.ai.mit.edu>, 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_SPARC64_SYSDEP_H
+#define _LINUX_SPARC64_SYSDEP_H 1
+
+#include <sysdeps/unix/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
+# ifdef _LIBC_REENTRANT
+# define SYSCALL_ERROR_HANDLER \
+ .global C_SYMBOL_NAME(errno); \
+ .type C_SYMBOL_NAME(errno),@object; \
+ save %sp,-160,%sp; \
+ 101: call 102f; \
+ sethi %hi(_GLOBAL_OFFSET_TABLE_-(101b-.)),%g2; \
+ 102: or %g2,%lo(_GLOBAL_OFFSET_TABLE_-(101b-.)),%g2; \
+ sethi %hi(errno),%i1; \
+ add %g2,%o7,%l7; \
+ or %i1,%lo(errno),%i1; \
+ ldx [%l7+%i1],%g2; \
+ st %i0,[%g2]; \
+ call __errno_location; \
+ nop; \
+ st %i0,[%o0]; \
+ sub %g0,1,%i0; \
+ jmpl %i7+8, %g0; \
+ restore
+# else
+# define SYSCALL_ERROR_HANDLER \
+ .global C_SYMBOL_NAME(errno); \
+ .type C_SYMBOL_NAME(errno),@object; \
+ mov %o7,%g3; \
+ 101: call 102f; \
+ sethi %hi(_GLOBAL_OFFSET_TABLE_-(101b-.)),%g2; \
+ 102: or %g2,%lo(_GLOBAL_OFFSET_TABLE_-(101b-.)),%g2; \
+ sethi %hi(errno),%o1; \
+ add %g2,%o7,%l7; \
+ or %o1,%lo(errno),%o1; \
+ mov %g3,%o7; \
+ ldx [%l7+%o1],%g2; \
+ st %o0,[%g2]
+# endif
+#else
+# ifdef _LIBC_REENTRANT
+# define SYSCALL_ERROR_HANDLER \
+ .global C_SYMBOL_NAME(errno); \
+ .type C_SYMBOL_NAME(errno),@object; \
+ save %sp,-160,%sp; \
+ sethi %hi(errno),%g1; \
+ or %g1,%lo(errno),%g1; \
+ st %i0,[%g1+%g4]; \
+ call __errno_location; \
+ nop; \
+ st %i0,[%o0]; \
+ sub %g0,1,%i0; \
+ jmpl %i7+8, %g0; \
+ restore
+# else
+# define SYSCALL_ERROR_HANDLER \
+ .global C_SYMBOL_NAME(errno); \
+ .type C_SYMBOL_NAME(errno),@object; \
+ sethi %hi(errno),%g1; \
+ or %g1,%lo(errno),%g1; \
+ st %i0,[%g1+%g4]; \
+ retl; \
+ sub %g0,1,%i0
+# endif
+#endif
+
+#define PSEUDO(name, syscall_name, args) \
+ .text; \
+ ENTRY(name); \
+ LOADSYSCALL(syscall_name); \
+ ta 0x11; \
+ bcc,pt %xcc,1f; \
+ nop; \
+ SYSCALL_ERROR_HANDLER; \
+1:
+
+#undef PSEUDO_END
+#define PSEUDO_END(name) \
+ .size name,.-name
+
+#undef END
+#define END(name) \
+ .size name,.-name
+
+/* Careful here! This "ret" define can interfere; use jmpl if unsure. */
+#define ret retl; nop
+#define r0 %o0
+#define r1 %o1
+#define MOVE(x,y) mov x, y
+
+#endif /* ASSEMBLER */
+
+/* This is the offset from the %sp to the backing store above the
+ register windows. So if you poke stack memory directly you add this. */
+#define STACK_BIAS 2047
+
+#endif /* linux/sparc64/sysdep.h */