# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1206524329 0
# Node ID fb614cdbae0e5c1606161761a364eb300505ed52
# Parent 4b4bfcb18a4c44f67e2f6bd17af12238720f1062
Prefix unnamed union structure fields with __extension__ to make it
work properly even in e.g. C99 standard mode.
Signed-off-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>
xen-unstable changeset: 17288:f5e6cccfdda5537876d6fc2b87ea1124d6043fc8
xen-unstable date: Tue Mar 25 18:02:00 2008 +0000
---
xen/include/public/arch-ia64.h | 12 +++++++-----
xen/include/public/arch-x86/xen-x86_64.h | 2 +-
xen/include/public/foreign/mkheader.py | 2 +-
3 files changed, 9 insertions(+), 7 deletions(-)
diff -r 4b4bfcb18a4c -r fb614cdbae0e xen/include/public/arch-ia64.h
--- a/xen/include/public/arch-ia64.h Wed Mar 26 09:35:52 2008 +0000
+++ b/xen/include/public/arch-ia64.h Wed Mar 26 09:38:49 2008 +0000
@@ -73,6 +73,8 @@ DEFINE_XEN_GUEST_HANDLE(xen_pfn_t);
#ifndef __ASSEMBLY__
+#define __anonymous_union __extension__ union
+
typedef unsigned long xen_ulong_t;
#ifdef __XEN_TOOLS__
@@ -174,11 +176,11 @@ struct mapped_regs {
unsigned long reserved1[29];
unsigned long vhpi;
unsigned long reserved2[95];
- union {
+ __anonymous_union {
unsigned long vgr[16];
unsigned long bank1_regs[16]; // bank1 regs (r16-r31) when bank0 active
};
- union {
+ __anonymous_union {
unsigned long vbgr[16];
unsigned long bank0_regs[16]; // bank0 regs (r16-r31) when bank1 active
};
@@ -189,7 +191,7 @@ struct mapped_regs {
unsigned long vpsr;
unsigned long vpr;
unsigned long reserved4[76];
- union {
+ __anonymous_union {
unsigned long vcr[128];
struct {
unsigned long dcr; // CR0
@@ -223,7 +225,7 @@ struct mapped_regs {
unsigned long rsv6[46];
};
};
- union {
+ __anonymous_union {
unsigned long reserved5[128];
struct {
unsigned long precover_ifs;
@@ -617,7 +619,7 @@ struct xen_ia64_opt_feature {
struct xen_ia64_opt_feature {
unsigned long cmd; /* Which feature */
unsigned char on; /* Switch feature on/off */
- union {
+ __anonymous_union {
struct {
/* The page protection bit mask of the pte.
* This will be or'ed with the pte. */
diff -r 4b4bfcb18a4c -r fb614cdbae0e xen/include/public/arch-x86/xen-x86_64.h
--- a/xen/include/public/arch-x86/xen-x86_64.h Wed Mar 26 09:35:52 2008 +0000
+++ b/xen/include/public/arch-x86/xen-x86_64.h Wed Mar 26 09:38:49 2008 +0000
@@ -141,7 +141,7 @@ struct iret_context {
#ifdef __GNUC__
/* Anonymous union includes both 32- and 64-bit names (e.g., eax/rax). */
-#define __DECL_REG(name) union { \
+#define __DECL_REG(name) __extension__ union { \
uint64_t r ## name, e ## name; \
uint32_t _e ## name; \
}
diff -r 4b4bfcb18a4c -r fb614cdbae0e xen/include/public/foreign/mkheader.py
--- a/xen/include/public/foreign/mkheader.py Wed Mar 26 09:35:52 2008 +0000
+++ b/xen/include/public/foreign/mkheader.py Wed Mar 26 09:38:49 2008 +0000
@@ -38,7 +38,7 @@ inttypes["x86_64"] = {
};
header["x86_64"] = """
#ifdef __GNUC__
-# define __DECL_REG(name) union { uint64_t r ## name, e ## name; }
+# define __DECL_REG(name) __extension__ union { uint64_t r ## name, e ## name;
}
# define __align8__ __attribute__((aligned (8)))
#else
# define __DECL_REG(name) uint64_t r ## name
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