From 1583fb7f92973cdbba391bd32a1b42cbdb5839b8 Mon Sep 17 00:00:00 2001
From: Peter Kjellerstedt <peter.kjellerstedt@axis.com>
Date: Thu, 23 Feb 2006 17:21:39 +0000
Subject: Added support for the new CRISv32 architecture.

---
 libc/sysdeps/linux/cris/sysdep.h | 46 ++++++++++++++++++++++++++++++++++------
 1 file changed, 40 insertions(+), 6 deletions(-)

(limited to 'libc/sysdeps/linux/cris/sysdep.h')

diff --git a/libc/sysdeps/linux/cris/sysdep.h b/libc/sysdeps/linux/cris/sysdep.h
index 08cf6221c..593e7772e 100644
--- a/libc/sysdeps/linux/cris/sysdep.h
+++ b/libc/sysdeps/linux/cris/sysdep.h
@@ -40,8 +40,14 @@
 #define END(sym)
 #endif
 
+#undef SYS_ify
+#define SYS_ify(syscall_name)   (__NR_##syscall_name)
+
 #ifdef __ASSEMBLER__
 
+#undef SYS_ify
+#define SYS_ify(syscall_name)   __NR_##syscall_name
+
 /* Syntactic details of assembly-code.  */
 
 /* It is *not* generally true that "ELF uses byte-counts for .align, most
@@ -58,6 +64,37 @@
 /* The non-PIC jump is preferred, since it does not stall, and does not
    invoke generation of a PLT.  These macros assume that $r0 is set up as
    GOT register.  */
+#ifdef __arch_v32
+#ifdef __PIC__
+#define PLTJUMP(_x) \
+  ba C_SYMBOL_NAME (_x):PLT				@ \
+  nop
+
+#define PLTCALL(_x) \
+  bsr C_SYMBOL_NAME (_x):PLT				@ \
+  nop
+
+#define SETUP_PIC \
+  subq 4,$sp						@ \
+  move.d $r0,[$sp]					@ \
+  lapc _GLOBAL_OFFSET_TABLE_,$r0
+
+#define TEARDOWN_PIC move.d [$sp+],$r0
+#else
+#define PLTJUMP(_x) \
+  ba C_SYMBOL_NAME (_x)					@ \
+  nop
+
+#define PLTCALL(_x) \
+  bsr  C_SYMBOL_NAME (_x)				@ \
+  nop
+
+#define SETUP_PIC
+#define TEARDOWN_PIC
+#endif
+
+#else
+
 #ifdef __PIC__
 #define PLTJUMP(_x) \
   add.d C_SYMBOL_NAME (_x):PLT,$pc
@@ -78,14 +115,15 @@
 #define TEARDOWN_PIC
 #endif
 
+#endif /* __arch_v32 */
+
 /* Define an entry point visible from C.  */
 #define ENTRY(name) \
   .text							@ \
   ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME (name) 		@ \
   ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME (name), function)	@ \
   .align ALIGNARG (2) 					@ \
-  C_LABEL(name)						@ \
-  CALL_MCOUNT
+  C_LABEL(name)
 
 #undef END
 #define END(name) \
@@ -107,9 +145,5 @@
   PLTJUMP (__syscall_error)				@ \
   END (name)
 
-/* If compiled for profiling, do nothing */
-#define CALL_MCOUNT		/* Do nothing.  */
-
-
 #endif /* __ASSEMBLER__ */
 #endif /* _SYSDEP_H_ */
-- 
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