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Diffstat (limited to 'arch/x86_64')
-rw-r--r--arch/x86_64/bits/signal.h49
1 files changed, 29 insertions, 20 deletions
diff --git a/arch/x86_64/bits/signal.h b/arch/x86_64/bits/signal.h
index d1de2dff..38f3bc42 100644
--- a/arch/x86_64/bits/signal.h
+++ b/arch/x86_64/bits/signal.h
@@ -1,17 +1,37 @@
#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-struct __fpstate {
- unsigned long __x[4];
- unsigned char __y[384];
- unsigned long __z[12];
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+struct _fpstate {
+ unsigned short cwd, swd, ftw, fop;
+ unsigned long long rip, rdp;
+ unsigned mxcsr, mxcr_mask;
+ struct {
+ unsigned short significand[4], exponent, padding[3];
+ } _st[8];
+ struct {
+ unsigned element[4];
+ } _xmm[16];
+ unsigned padding[24];
};
-
-typedef struct {
- unsigned long __gregs[23];
- void *__fpregs;
+struct sigcontext {
+ unsigned long r8, r9, r10, r11, r12, r13, r14, r15;
+ unsigned long rdi, rsi, rbp, rbx, rdx, rax, rcx, rsp, rip, eflags;
+ unsigned short cs, gs, fs, __pad0;
+ unsigned long err, trapno, oldmask, cr2;
+ struct _fpstate *fpstate;
unsigned long __reserved1[8];
+};
+typedef struct {
+ unsigned long long gregs[23];
+ struct _fpstate *fpregs;
+ unsigned long long __reserved1[8];
+} mcontext_t;
+#else
+typedef struct {
+ unsigned long __space[32];
} mcontext_t;
+#endif
typedef struct __ucontext {
unsigned long uc_flags;
@@ -19,7 +39,7 @@ typedef struct __ucontext {
stack_t uc_stack;
mcontext_t uc_mcontext;
sigset_t uc_sigmask;
- struct __fpstate __fpregs_mem;
+ unsigned long __fpregs_mem[64];
} ucontext_t;
#define SA_NOCLDSTOP 1
@@ -31,17 +51,6 @@ typedef struct __ucontext {
#define SA_RESETHAND 0x80000000
#define SA_RESTORER 0x04000000
-#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-struct sigcontext {
- unsigned long r8, r9, r10, r11, r12, r13, r14, r15;
- unsigned long rdi, rsi, rbp, rbx, rdx, rax, rcx, rsp, rip, eflags;
- unsigned short cs, gs, fs, __pad0;
- unsigned long err, trapno, oldmask, cr2;
- struct __fpstate *fpstate;
- unsigned long __reserved1[8];
-};
-#endif
-
#endif
#define SIGHUP 1