Replace hard-coded offsets into struct sigcontext with generated file.

	* sysdeps/unix/sysv/linux/ia64/sigcontext-offsets.sym: New file.
	* sysdeps/unix/sysv/linux/ia64/Makefile
	[$(subdir) = stdlib] (gen-as-const-headers): Add it.
	* sysdeps/unix/sysv/linux/ia64/ucontext_i.h: Include it instead of
	defining SC_* macros here.

ChangeLog

@@ -1,3 +1,12 @@
+2003-06-02  Richard C. Bilson  <rcbilson@plg.uwaterloo.ca>
+
+	Replace hard-coded offsets into struct sigcontext with generated file.
+	* sysdeps/unix/sysv/linux/ia64/sigcontext-offsets.sym: New file.
+	* sysdeps/unix/sysv/linux/ia64/Makefile
+	[$(subdir) = stdlib] (gen-as-const-headers): Add it.
+	* sysdeps/unix/sysv/linux/ia64/ucontext_i.h: Include it instead of
+	defining SC_* macros here.
+
 2003-06-02  Jakub Jelinek  <jakub@redhat.com>
 
 	* sysdeps/unix/sysv/linux/bits/sched.h (CLONE_PID): Remove.

sysdeps/unix/sysv/linux/ia64/Makefile

@@ -4,6 +4,7 @@ endif
 
 ifeq ($(subdir),stdlib)
 sysdep_routines += __start_context
+gen-as-const-headers += sigcontext-offsets.sym
 endif
 
 ifeq ($(subdir),misc)

sysdeps/unix/sysv/linux/ia64/sigcontext-offsets.sym

@@ -0,0 +1,16 @@
+#include <stddef.h>
+#include <sys/ucontext.h>
+
+--
+SC_NAT		offsetof (struct sigcontext, sc_nat)
+SC_BSP		offsetof (struct sigcontext, sc_ar_bsp)
+SC_RNAT		offsetof (struct sigcontext, sc_ar_rnat)
+SC_UNAT		offsetof (struct sigcontext, sc_ar_unat)
+SC_FPSR		offsetof (struct sigcontext, sc_ar_fpsr)
+SC_PFS		offsetof (struct sigcontext, sc_ar_pfs)
+SC_LC		offsetof (struct sigcontext, sc_ar_lc)
+SC_PR		offsetof (struct sigcontext, sc_pr)
+SC_BR		offsetof (struct sigcontext, sc_br)
+SC_GR		offsetof (struct sigcontext, sc_gr)
+SC_FR		offsetof (struct sigcontext, sc_fr)
+SC_MASK		offsetof (struct sigcontext, sc_mask)

sysdeps/unix/sysv/linux/ia64/ucontext_i.h

@@ -24,19 +24,7 @@
 #define SIG_UNBLOCK	1
 #define SIG_SETMASK	2
 
-#define SC_NAT	0x008
-#define SC_BSP	0x048
-#define SC_RNAT	0x050
-#define SC_UNAT	0x060
-#define SC_FPSR	0x068
-#define SC_PFS	0x070
-#define SC_LC	0x078
-#define SC_PR	0x080
-#define SC_BR	0x088
-#define SC_GR	0x0c8
-#define SC_FR	0x1d0
-#define SC_MASK	0xa50
-
+#include <sigcontext-offsets.h>
 
 #define rTMP	r16
 #define rPOS	r16