From 239535a699ea79647f5fb8cbf968009f831bf794 Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@gnu.org>
Date: Fri, 3 May 2002 22:53:52 +0000
Subject: 2002-05-01 Roland McGrath <roland@frob.com>
* elfcore.c [ALPHA_THREAD_STATE]
(ELF_MACHINE, fetch_thread_regset, fetch_thread_fpregset):
New definitions for Alpha CPU.
---
exec/elfcore.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
(limited to 'exec')
diff --git a/exec/elfcore.c b/exec/elfcore.c
index cb877825..16904a8c 100644
--- a/exec/elfcore.c
+++ b/exec/elfcore.c
@@ -74,6 +74,34 @@ fetch_thread_fpregset (thread_t thread, prfpregset_t *fpregs)
}
}
+#elif defined ALPHA_THREAD_STATE
+# define ELF_MACHINE EM_ALPHA
+
+/* The gregset_t format (compatible with Linux/Alpha) almost fits
+ the Mach alpha_thread_state. */
+static inline void
+fetch_thread_regset (thread_t thread, prgregset_t *gregs)
+{
+ mach_msg_type_number_t count = ALPHA_THREAD_STATE_COUNT;
+ assert (sizeof (struct alpha_thread_state) <= sizeof (prgregset_t));
+ (void) thread_get_state (thread, ALPHA_THREAD_STATE,
+ (thread_state_t) gregs, &count);
+ /* XXX
+ gregs[32] is process-status word: Mach doesn't return it!
+ It's already zero'd.
+ */
+}
+
+/* The FPU state matches exactly. */
+static inline void
+fetch_thread_fpregset (thread_t thread, prfpregset_t *fpregs)
+{
+ mach_msg_type_number_t count = ALPHA_FLOAT_STATE_COUNT;
+ assert (sizeof (struct alpha_float_state) == sizeof *fpregs);
+ (void) thread_get_state (thread, ALPHA_FLOAT_STATE,
+ (thread_state_t) fpregs, &count);
+}
+
#else
# warning "do not understand this machine flavor, no registers in dumps"
# define ELF_MACHINE EM_NONE
--
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