Merge "Fill in missing bits in x86(_64) ucontext_t"
diff --git a/libc/include/sys/ucontext.h b/libc/include/sys/ucontext.h
index 9060ab7..f150ac7 100644
--- a/libc/include/sys/ucontext.h
+++ b/libc/include/sys/ucontext.h
@@ -150,7 +150,8 @@
stack_t uc_stack;
mcontext_t uc_mcontext;
sigset_t uc_sigmask;
- /* TODO: __fpregs_mem? */
+ char __padding[128 - sizeof(sigset_t)];
+ struct _libc_fpstate __fpregs_mem;
} ucontext_t;
#elif defined(__mips__)
@@ -238,7 +239,31 @@
typedef long greg_t;
typedef greg_t gregset_t[NGREG];
-typedef struct user_fpregs_struct* fpregset_t;
+struct _libc_fpxreg {
+ unsigned short significand[4];
+ unsigned short exponent;
+ unsigned short padding[3];
+};
+
+struct _libc_xmmreg {
+ uint32_t element[4];
+};
+
+struct _libc_fpstate {
+ uint16_t cwd;
+ uint16_t swd;
+ uint16_t ftw;
+ uint16_t fop;
+ uint64_t rip;
+ uint64_t rdp;
+ uint32_t mxcsr;
+ uint32_t mxcr_mask;
+ struct _libc_fpxreg _st[8];
+ struct _libc_xmmreg _xmm[16];
+ uint32_t padding[24];
+};
+
+typedef struct _libc_fpstate* fpregset_t;
typedef struct {
gregset_t gregs;
@@ -252,7 +277,8 @@
stack_t uc_stack;
mcontext_t uc_mcontext;
sigset_t uc_sigmask;
- /* TODO: __fpregs_mem? */
+ char __padding[128 - sizeof(sigset_t)];
+ struct _libc_fpstate __fpregs_mem;
} ucontext_t;
#endif