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Replace 'struct ucontext' with 'ucontext_t' type

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glibc used to have:

   typedef struct ucontext { ... } ucontext_t;

glibc now has:

   typedef struct ucontext_t { ... } ucontext_t;

(See https://sourceware.org/bugzilla/show_bug.cgi?id=21457
 for detail and rationale for the glibc change)

However, QEMU used "struct ucontext" in declarations. This is a
private name and compatibility cannot be guaranteed. Switch to
only using the standardized type name.

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Message-id: 20170628204452.41230-1-raj.khem@gmail.com
Cc: Kamil Rytarowski <kamil@netbsd.org>
Cc: Riku Voipio <riku.voipio@iki.fi>
Cc: Laurent Vivier <laurent@vivier.eu>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[PMM: Rewrote commit message, based mostly on the one from
 Nathaniel McCallum]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Khem Raj 2017-06-28 13:44:52 -07:00 • committed by Peter Maydell
parent d4e59218ab
commit 04b33e2186
9 changed files with 22 additions and 22 deletions
Download patch file Download diff file Expand all files Collapse all files

2
linux-user/host/aarch64/hostdep.h
View file

@ -24,7 +24,7 @@ extern char safe_syscall_end[];
/* Adjust the signal context to rewind out of safe-syscall if we're in it */
static inline void rewind_if_in_safe_syscall(void *puc)
{
struct ucontext *uc = puc;
ucontext_t *uc = puc;
__u64 *pcreg = &uc->uc_mcontext.pc;
if (*pcreg > (uintptr_t)safe_syscall_start

2
linux-user/host/arm/hostdep.h
View file

@ -24,7 +24,7 @@ extern char safe_syscall_end[];
/* Adjust the signal context to rewind out of safe-syscall if we're in it */
static inline void rewind_if_in_safe_syscall(void *puc)
{
struct ucontext *uc = puc;
ucontext_t *uc = puc;
unsigned long *pcreg = &uc->uc_mcontext.arm_pc;
if (*pcreg > (uintptr_t)safe_syscall_start

2
linux-user/host/i386/hostdep.h
View file

@ -24,7 +24,7 @@ extern char safe_syscall_end[];
/* Adjust the signal context to rewind out of safe-syscall if we're in it */
static inline void rewind_if_in_safe_syscall(void *puc)
{
struct ucontext *uc = puc;
ucontext_t *uc = puc;
greg_t *pcreg = &uc->uc_mcontext.gregs[REG_EIP];
if (*pcreg > (uintptr_t)safe_syscall_start

2
linux-user/host/ppc64/hostdep.h
View file

@ -24,7 +24,7 @@ extern char safe_syscall_end[];
/* Adjust the signal context to rewind out of safe-syscall if we're in it */
static inline void rewind_if_in_safe_syscall(void *puc)
{
struct ucontext *uc = puc;
ucontext_t *uc = puc;
unsigned long *pcreg = &uc->uc_mcontext.gp_regs[PT_NIP];
if (*pcreg > (uintptr_t)safe_syscall_start

2
linux-user/host/s390x/hostdep.h
View file

@ -24,7 +24,7 @@ extern char safe_syscall_end[];
/* Adjust the signal context to rewind out of safe-syscall if we're in it */
static inline void rewind_if_in_safe_syscall(void *puc)
{
struct ucontext *uc = puc;
ucontext_t *uc = puc;
unsigned long *pcreg = &uc->uc_mcontext.psw.addr;
if (*pcreg > (uintptr_t)safe_syscall_start

2
linux-user/host/x86_64/hostdep.h
View file

@ -24,7 +24,7 @@ extern char safe_syscall_end[];
/* Adjust the signal context to rewind out of safe-syscall if we're in it */
static inline void rewind_if_in_safe_syscall(void *puc)
{
struct ucontext *uc = puc;
ucontext_t *uc = puc;
greg_t *pcreg = &uc->uc_mcontext.gregs[REG_RIP];
if (*pcreg > (uintptr_t)safe_syscall_start